Gustav Grimstad
About
Research topics:
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Various projects concerning soil modelling. This includes:
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Modelling and understanding creep in soft clays and other aspects of soil behaviour.
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Development and implementation of a number of soil models, including the NGI-ADP model that is now part of a commercial finite element program (www.plaxis.nl).
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Progressive failure in sensitive clays. This includes:
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Work with the implementation of a regularisation technique for modelling of brittle material behaviour in finite element calculations
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Back calculations to landslides involving quick clay
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Competencies
Publications
2025
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Bhattarai, Tulasi Ram;
Bhandary, Netra Prakash;
Grimstad, Gustav.
(2025)
Comparative Analysis and Performance Evaluation of SSC, n-SAC, and Creep-SCLAY1S Soil Creep Models in Predicting Soil Settlement.
Geotechnics
Academic article
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Dadrasajirlou, Davood;
Sæther, Teodor Opland;
Falstad, Tobias;
Grimstad, Gustav;
Degago, Samson Abate;
Watn, Arnstein.
(2025)
Undrained effective stress-based stability analyses of natural slopes considering formation history effects.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
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Grimstad, Gustav;
Ul Hasan, Fahmid;
Degago, Samson Abate;
Dadrasajirlou, Davood;
Watn, Arnstein.
(2025)
Undrained shear strength anisotropy factors for natural slopes: pitfalls and remedies.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
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Kirstein, A.;
Locat, A.;
Jostad, Hans Petter;
Grimstad, Gustav;
Locat, P..
(2025)
Numerical Modelling of In Situ Stresses to Investigate the Initiation of Spreads in Sensitive Clay.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
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Degago, Samson Abate;
Grimstad, Gustav;
Dadrasajirlou, Davood;
Watn, Arnstein;
Brattlien, Kjetil;
Dolva, Bjørn K.;
Haugen, Ellen;
Strand, Stein Are.
(2025)
A coherent framework for stability assessment of natural slopes - robustness and safety.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
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Pan, Yutao;
Andreassen, Håvard Branstad;
Ler, Haakon Woie;
Nordal, Steinar;
Helle, Tonje Eide;
Valsson, Sigurdur Mar;
Dørum, Cato;
Leirvik, John;
Juliussen, Håvard;
Brattlien, Kjetil.
(2025)
In-situ detection of quick clay using modified penetration test apparatus.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
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Søvik, Marius Mathisen;
L'Heureux, Jean-Sébastien;
Rødvand, Laura Anne;
Grimstad, Gustav.
(2025)
A Novel Framework for Predicting Landslide Mechanism in Norwegian Quick Clays.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
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Tao, Rui;
Hu, Zhicheng;
Lau Leong Lee, Albert;
Grimstad, Gustav;
Pan, Yutao.
(2025)
Evolution of isolated heaving defects for vertical rail displacements: a multi-disciplinary study.
International Journal of Rail Transportation
Academic article
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Ghoreishian Amiri, Seyed Ali;
Grimstad, Gustav;
Dadrasajirlou, Davood.
(2025)
Integration of hyperplastic models in strain space.
Géotechnique
Academic article
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Lyu, Chuangxin;
Ghoreishian Amiri, Seyed Ali;
Grimstad, Gustav;
Aalberg, Arne;
Shen, Yuanjie;
Ingeman-Nielsen, Thomas.
(2025)
Modeling the degradation of Saline marine permafrost: the influence of soil freezing characteristics.
Canadian geotechnical journal (Print)
Academic article
2024
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Sukuvara, Dan Sergei;
Vaslestad, Jan;
Scibilia, Elena;
Baardvik, Gunvor;
Grimstad, Gustav.
(2024)
A Critical Review of Methods for Backfill Soil Modulus in Design of Flexible Culverts.
Transportation Research Record
Academic article
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Dadrasajirlou, Davood;
Grimstad, Gustav;
Ghoreishian Amiri, Seyed Ali;
Degago, Samson Abate;
Houlsby, G. T..
(2024)
Modified cam clay bounding surface hyper-viscoplastic model.
Géotechnique
Academic article
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Tran, Quoc Anh;
Sørlie, Erik Ravik;
Grimstad, Gustav;
Eiksund, Gudmund Reidar;
Takahashi, Hidenori;
Sassa, Shinji.
(2024)
Influence of sediment permeability in seismic-induced submarine landslide mechanism: CFD-MPM validation with centrifuge tests and analysis.
Computers and geotechnics
Academic article
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Tran, Quoc Anh;
Rogstad, Agnete;
Depina, Ivan;
Fernándes, Fabricio;
Alene, Gebray Habtu;
Grimstad, Gustav;
Nordal, Steinar.
(2024)
3D large deformation modeling of the 2020 Gjerdrum quick clay landslide.
Canadian geotechnical journal (Print)
Academic article
2023
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Tran, Quoc Anh;
Grimstad, Gustav;
Ghoreishian Amiri, Seyed Ali.
(2023)
MPMICE: A hybrid MPM-CFD model for simulating coupled problems in porous media. Application to earthquake-induced submarine landslides.
International Journal for Numerical Methods in Engineering
Academic article
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Rødvand, Laura Anne;
Jostad, Hans Petter;
Grimstad, Gustav;
Andresen, Lars.
(2023)
Modelling mesh independent failure loads of a soft strain-softening clay using a rate dependent model.
Computers and geotechnics
Academic article
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Long, Michael;
Paniagua Lopez, Ana Priscilla;
Grimstad, Gustav;
Sponås, Egil Berg Antoniazzi;
Bjertness, Endre;
Ritter, Stefan.
(2023)
Behaviour of 60-year-old trial embankments on peat.
Engineering Geology
Academic article
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Dadrasajirlou, Davood;
Grimstad, Gustav;
Ghoreishian Amiri, Seyed Ali;
Nordal, Steinar.
(2023)
A set of hyper-viscoplastic critical state models with different friction mobilisation criteria.
International Journal of Solids and Structures
Academic article
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Attari, Yeganeh;
Jostad, Hans Petter;
Grimstad, Gustav;
Eiksund, Gudmund Reidar.
(2023)
Evaluation of Pile Driving Effects on Slope Stability in Clay.
Geotechnical and Geological Engineering
Academic article
2022
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Ghoreishian Amiri, Seyed Ali;
Grimstad, Gustav;
Lubbad, Raed Khalil.
(2022)
Report on calibrated and validated numerical models to estimate site specific stability of coastal infrastructure in a changing climate with thawing permafrost.
NUNATARYUK project
Research report
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Gao, Hao;
Ghoreishian Amiri, Seyed Ali;
Kjelstrup, Signe;
Grimstad, Gustav;
Loranger, Benoit;
Scibilia, Elena.
(2022)
Formation and growth of multiple, distinct ice lenses in frost heave.
International journal for numerical and analytical methods in geomechanics (Print)
Academic article
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Dadrasajirlou, Davood;
Grimstad, Gustav;
Ghoreishian Amiri, Seyed Ali.
(2022)
On the isotache viscous modelling of clay behaviour using the hyperplasticity approach.
Géotechnique
Academic article
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Long, Mike;
Paniagua Lopez, Ana Priscilla;
Grimstad, Gustav;
Trafford, Andrew;
Degago, Samson Abate;
Heureux, Jean-Sebastien L.
(2022)
Engineering properties of Norwegian peat for calculation of settlements.
Engineering Geology
Academic article
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Dadrasajirlou, Davood;
Grimstad, Gustav;
Ghoreishian Amiri, Seyed Ali.
(2022)
Hyper-Viscoplastic Modelling of Clay Behaviour.
Norges teknisk-naturvitenskapelige universitet
Doctoral thesis
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Rødvand, Laura Anne;
Jostad, Hans Petter;
Grimstad, Gustav;
Andresen, Lars.
(2022)
Strain localisation in sensitive clays: can rate dependency provide mesh independent results?.
Computers and geotechnics
Academic article
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Long, Michael;
Grimstad, Gustav;
Trafford, Andrew.
(2022)
Prediction of embankment settlement on Swedish peat using the soft soil creep model.
Proceedings of the Institution of Civil Engineers : Geotechnical Engineering
Academic article
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Tran, Quoc Anh;
Grimstad, Gustav;
Ghoreishian Amiri, Seyed Ali.
(2022)
MPMICE: A hybrid MPM-CFD model for simulating coupled problems in porous media. Application to earthquake-induced submarine landslides.
arXiv.org
Academic article
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Grimstad, Gustav;
Nordal, Steinar;
Solberg, Inger-Lise;
Ottesen, Hanne Bratlie.
(2022)
Om kvikkleire og skredet den 30. desember 2020 i Gjerdrum.
Naturen
Academic article
2021
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Lyu, Chuangxin;
Nishimura, Satoshi;
Ghoreishian Amiri, Seyed Ali;
Zhu, Feng;
Eiksund, Gudmund Reidar;
Grimstad, Gustav.
(2021)
Pore-water pressure development in a frozen saline clay under isotropic loading and undrained shearing.
Acta Geotechnica
Academic article
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Torgersrud, Øyvind;
Mohus, Oda;
Eikebrokk, Anna;
Grimstad, Gustav.
(2021)
Simulations of Characteristic Sand Behavior by DEM.
Norges teknisk-naturvitenskapelige universitet
Master thesis
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Lyu, Chuangxin;
Grimstad, Gustav;
Nishimura, Satoshi.
(2021)
Pore pressure coefficient in frozen soils.
Géotechnique
Academic article
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Kjelstrup, Signe;
Ghoreishian Amiri, Seyed Ali;
Loranger, Benoit;
Gao, Hao;
Grimstad, Gustav.
(2021)
Transport coefficients and pressure conditions for growth of ice lens in frozen soil.
Acta Geotechnica
Academic article
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Grimstad, Gustav;
Long, Michael;
Dadrasajirlou, Davood;
Ghoreishian Amiri, Seyed Ali.
(2021)
Investigation of Development of the Earth Pressure Coefficient at Rest in Clay During Creep in the Framework of Hyper-Viscoplasticity.
International Journal of Geomechanics
Academic article
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Aamodt, Magnus Træland;
Grimstad, Gustav;
Nordal, Steinar.
(2021)
Effect of Strength Anisotropy on the Stability of Natural Slopes.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
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Ghoreishian Amiri, Seyed Ali;
Grimstad, Gustav;
Gao, Hao;
Kjelstrup, Signe.
(2021)
Numerical modelling of distinct ice lenses in frost heave.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
2020
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Lyu, Chuangxin;
Ghoreishian Amiri, Seyed Ali;
Grimstad, Gustav;
Høyland, Knut Vilhelm;
Ingeman-Nielsen, Thomas.
(2020)
Comparison of Geoacoustic Models for Unfrozen Water Content Estimation.
Journal of Geophysical Research (JGR): Solid Earth
Academic article
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Hoogstraten, Sara C. van;
Hermans, Sebastiaan J.;
Versteijlen, Willem G.;
Page, Ana M.;
Grimstad, Gustav;
Pisanò, Federico;
Metrikine, Andrei V..
(2020)
The Macro-Element Method for Offshore Wind Turbines Exposed to Extreme Loads in the Asia-Pacific Region.
Academic chapter
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Tistel, Joar;
Grimstad, Gustav;
Eiksund, Gudmund Reidar.
(2020)
A macro model for shallow foundations on granular soils describing non-linear foundation behavior.
Computers & structures
Academic article
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Grimstad, Gustav;
Dadrasajirlou, Davood;
Ghoreishian Amiri, Seyed Ali.
(2020)
Modelling creep in clay using the framework of hyper-viscoplasticity.
Géotechnique Letters
Academic article
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Grimstad, Gustav;
Paniagua Lopez, Ana Priscilla;
Weerdt, Klaartje De.
(2020)
På vegen mot karbonnegativ stabil grunn.
Byggeindustrien
Popular science article
2019
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Page, Ana M.;
Grimstad, Gustav;
Eiksund, Gudmund Reidar;
Jostad, Hans Petter.
(2019)
A macro-element model for multidirectional cyclic lateral loading of monopiles in clay.
Computers and geotechnics
Academic article
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Rødvand, Laura Anne;
Andresen, Lars;
Grimstad, Gustav.
(2019)
Case study of a road bridge hit by a landslide in highly sensitive clay.
Non-fiction chapter
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Lyu, Chuangxin;
Ghoreishian Amiri, Seyed Ali;
Gao, Hao;
Ingeman-Nielsen, Thomas;
Grimstad, Gustav.
(2019)
Joint Acoustic and Electrical Measurements for Unfrozen Water Saturation Estimate—A Review.
Academic chapter
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Grimstad, Gustav;
Ghoreishian Amiri, Seyed Ali;
Nordal, Steinar.
(2019)
Relations and links between soil mechanics, porous media physics, physiochemical theory, and effective medium theory.
Frontiers in Physics
Academic literature review
2018
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Grimstad, Gustav;
Rønningen, Jon Abusland;
Nordal, Steinar.
(2018)
Application of a generalized continuous Mohr–Coulomb criterion.
Academic chapter
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Rønningen, Jon Abusland;
Grimstad, Gustav;
Nordal, Steinar.
(2018)
On the convexity of yield and potential surfaces in rotational hardening critical state models.
Academic chapter
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Nordal, Steinar;
Grimstad, Gustav;
Jordbakke, Tormod;
Rabstad, Kristoffer;
Isachsen, Marit.
(2018)
On modelling of anisotropic undrained strength for non-horizontal terrain.
Academic chapter
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Bjerre, Jesper;
Rønningen, Jon Abusland;
Grimstad, Gustav;
Nordal, Steinar.
(2018)
Effective Stress based Model for Natural Soft Clays incorporating Restructuration.
Academic chapter
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Skau, Kristoffer Skjolden;
Grimstad, Gustav;
Page, Ana M.;
Eiksund, Gudmund Reidar;
Jostad, Hans Petter.
(2018)
A macro-element for integrated time domain analyses representing bucket foundations for offshore wind turbines.
Marine Structures
Academic article
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Page, Ana M.;
Grimstad, Gustav;
Eiksund, Gudmund Reidar;
Jostad, Hans Petter.
(2018)
A macro-element pile foundation model for integrated analyses of monopile-based offshore wind turbines.
Ocean Engineering
Academic article
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Cicchetti, Lorenzo;
Grimstad, Gustav;
Ghoreishian Amiri, Seyed Ali;
Ingeman-Nielsen, Thomas.
(2018)
Thermo-Hydro-Mechanical simulations of Artificial Ground Freezing.
Academic chapter
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Grimstad, Gustav;
Ghoreishian Amiri, Seyed Ali;
Watn, Arnstein;
Hoff, Inge.
(2018)
Frost protection in roads using insulation materials.
Academic chapter
2017
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Ervik, Åse;
Høyland, Knut Vilhelm;
Grimstad, Gustav;
Nord, Torodd Skjerve.
(2017)
A continuum model of large deformation continuous ductile ice crushing.
Proceedings - International Conference on Port and Ocean Engineering under Arctic Conditions
Academic article
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Tistel, Joar;
Grimstad, Gustav;
Eiksund, Gudmund Reidar.
(2017)
Testing and modeling of cyclically loaded rock anchors.
Journal of Rock Mechanics and Geotechnical Engineering
Academic article
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Ghoreishian Amiri, Seyed Ali;
Grimstad, Gustav.
(2017)
Constitutive Model for Long-Term Behavior of Saturated Frozen Soil.
Academic chapter
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Rostami, Hooman;
Ghoreishian Amiri, Seyed Ali;
Grimstad, Gustav.
(2017)
Back analysis of Caen’s test by the recently developed frozen/unfrozen soil.
Plaxis Bulletin
Popular science article
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Grimstad, Gustav;
Karstunen, Minna;
Jostad, Hans Petter;
Sivasithamparam, Nallathamby;
Mehli, Magne;
Zwanenburg, Cor;
Evert, den Haan;
Ghoreishian Amiri, Seyed Ali;
Boumezerane, Djamalddine;
Kadivar, Mehdi.
(2017)
Creep of geomaterials – some finding from the EU project CREEP.
European Journal of Environmental and Civil Engineering (EJECE)
Academic article
2016
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Ghoreishian Amiri, Seyed Ali;
Kadivar, Mehdi;
Grimstad, Gustav.
(2016)
Enhanced permafrost creep model– user manual and documentation.
PIAG_GA_2011‐286397‐R6
Research report
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Rønningen, Jon A.;
Grimstad, Gustav;
Nordal, Steinar.
(2016)
Modelling soft Scandinavian clay behavior using the asymptotic state.
Academic chapter
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Tistel, Joar;
Grimstad, Gustav.
(2016)
A macro model description of the non-linear anchor block foundation behavior.
Academic chapter
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Ghoreishian Amiri, Seyed Ali;
Grimstad, Gustav;
Kadivar, Mehdi.
(2016)
An elastic-viscoplastic model for saturated frozen soils.
European Journal of Environmental and Civil Engineering (EJECE)
Academic article
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Ghoreishian Amiri, Seyed Ali;
Grimstad, Gustav;
Kadivar, Mehdi;
Nordal, Steinar.
(2016)
Constitutive model for rate-independent behavior of saturated frozen soils.
Canadian geotechnical journal (Print)
Academic article
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Grimstad, Gustav;
Haji Ashrafi, Mohammad Ali;
Degago, Samson Abate;
Nordal, Steinar;
Emdal, Arnfinn.
(2016)
Discussion of ‘Soil creep effects on ground lateral deformation and pore water pressure under embankments’.
Geomechanics and Geoengineering
Academic article
2015
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Grimstad, Gustav;
Mehli, Magne;
Degago, Samson Abate.
(2015)
Creep in Clay During the First Few Years After Construction.
Academic chapter
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Ghoreishian Amiri, Seyed Ali;
Kadivar, Mehdi;
Grimstad, Gustav.
(2015)
A Thermo-Hydro-Mechanical Constitutive Model for Saturated Frozen Soil.
Academic chapter
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Grimstad, Gustav;
Mehli, Magne;
Degago, Samson Abate.
(2015)
Is creep analysis creeping into practice?.
Academic chapter
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Ghoreishian Amiri, Seyed Ali;
Kadivar, Mehdi;
Grimstad, Gustav.
(2015)
A new concept in developing a constitutive model for frozen soils.
Academic chapter
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Boumezerane, Djamalddine;
Grimstad, Gustav;
Makdisi, Andrew.
(2015)
A framework for peat behaviour based on hyperplasticity principles.
Academic chapter
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Haji Ashrafi, Mohammad Ali;
Grimstad, Gustav.
(2015)
Implementation of a critical state soft soil creep model with shear stiffness.
Academic chapter
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Jostad, Hans Petter;
Grimstad, Gustav;
Andersen, Knut H;
Sivasithamparam, Nallathamby.
(2015)
A FE procedure for calculation of cyclic behaviour of offshore foundations under partly drained conditions.
Academic chapter
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Grimstad, Gustav;
Degago, Samson Abate;
Boumezerane, Djamalddine.
(2015)
Discussion of “Viscous behaviour of clays in one-dimensional compression”.
Canadian geotechnical journal (Print)
Academic article
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Boumezerane, Djamalddine;
Grimstad, Gustav.
(2015)
A Rheological Model for Peat That Accounts for Creep.
Academic chapter
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Grimstad, Gustav;
Haji Ashrafi, Mohammad Ali;
Kadivar, Mehdi.
(2015)
PROFILE: Creep of geomaterials.
PAN european networks science and technology
Popular science article
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Grimstad, Gustav.
(2015)
Bjørvika synker.
Byggeindustrien
Popular science article
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Degago, Samson Abate;
Grimstad, Gustav.
(2015)
Discussion of “Experimental investigation on the creep behavior of an unsaturated clay”.
Canadian geotechnical journal (Print)
Academic article
2014
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Degago, Samson;
Grimstad, Gustav.
(2014)
Significance of sample quality in settlement analysis of field cases.
Academic chapter
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Grimstad, Gustav;
Rønningen, Jon A.;
Nøst, Hilde Aas.
(2014)
Use of IWAN models for modelling anisotropic and cyclic behavior of clays.
Academic chapter
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Jostad, Hans Petter;
Grimstad, Gustav;
Andersen, Knut H;
Saue, Morten;
Shin, Yunsup;
You, D.
(2014)
A FE Procedure for Foundation Design of Offshore Structures - Applied to Study a Potential OWT Monopile Foundation in the Korean Western Sea.
Geotechnical Engineering
Academic article
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Grimstad, Gustav;
Mehli, Magne;
Jostad, Hans Petter.
(2014)
Forskningstemaet: krypoppførsel av geomaterialer og innlemmelse i geoteknisk prosjektering.Hvordan best utføre krypmodellering?.
Academic chapter
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Rønningen, Jon A.;
Gavel-Solberg, Vegard;
Grimstad, Gustav.
(2014)
Effective stress model for soft Scandinavian clays.
Academic chapter
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Cai, Fang;
Eiksund, Gudmund Reidar;
Grimstad, Gustav;
Jostad, Hans Petter.
(2014)
An anisotropic shear strength model for cyclic accumulated plastic strain of overconsolidated clay.
Electronic Journal of Geotechnical Engineering
Academic article
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Bonadies, F.;
Nordal, Steinar;
Gylland, Anders Samstad;
Grimstad, Gustav;
Jostad, Hans Petter;
Cuomo, S.;
Cascini, L..
(2014)
Numerical methods for simulation of downward progressive landslides.
Academic chapter
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Fornes, Petter;
Grimstad, Gustav;
Jostad, Hans Petter.
(2014)
Effekt av progressiv bruddutvikling for utbygging i områder med kvikkleire : tilbakeregning av Vestfossenskredet.
Norges vassdrags- og energidirektorat
Other type of report
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Grimstad, Gustav;
Jostad, Hans Petter.
(2014)
Effekt av progressiv bruddutvikling for utbygging i områder med kvikkleire: numerisk metode for beregning av udrenert brudd i sensitive materialer.
Norges vassdrags- og energidirektorat
Other type of report
2013
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Degago, Samson Abate;
Grimstad, Gustav.
(2013)
Evaluation of creep hypotheses A and B based on relevant laboratory tests.
Academic chapter
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Degago, Samson;
Grimstad, Gustav;
Jostad, Hans Petter;
Nordal, Steinar.
(2013)
Misconceptions about experimental substantion of creep hypotheis A.
Academic chapter
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Skau, Kristoffer Skjolden;
Andresen, Lars;
Jostad, Hans Petter;
Fornes, Petter;
Grimstad, Gustav;
Page, Ana.
(2013)
Stability and deformations of Zelazny Most dam - One of the world's largest deponies for copper tailings.
Academic chapter
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Degago, Samson;
Grimstad, Gustav;
Jostad, Hans Petter;
Nordal, Steinar.
(2013)
Misconceptions about experimental substantiation of creep hypothesis A.
Academic chapter
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Grimstad, Gustav;
Rønningen, Jon A.;
Benz, Thomas;
Jostad, Hans Petter;
Haan, Evert Den;
Qi, Jilin.
(2013)
User manual for the creep database.
NTNU
Research report
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Grimstad, Gustav;
Melhus, Ole;
Degago, Samson Abate;
Ebeltoft, Roger Guldvik.
(2013)
Modeling of rock fall impact using discrete element method (DEM.
Academic chapter
2012
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Bujulu, Pancras Mugishagwe Syldion;
Grimstad, Gustav.
(2012)
Generalized constitutive model for stabilized quick clay.
Global Journal of Engineering Research
Academic article
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Bujulu, Pancras Mugishagwe Syldion;
Grimstad, Gustav.
(2012)
Constitutive Model for Cemented Quick Clay in Deep-Mix Stabilization.
Global Journal of Engineering Research
Academic article
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Grimstad, Gustav;
Andresen, Lars;
Jostad, Hans Petter.
(2012)
NGI-ADP: Anisotropic shear strength model for clay.
International journal for numerical and analytical methods in geomechanics (Print)
Academic article
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Grimstad, Gustav;
Jostad, Hans Petter.
(2012)
Stability analyses of quick clay using FEM and an anisotropic strain softening model with internal length scale.
Academic chapter
2011
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Grimstad, Gustav;
Jostad, Hans Petter.
(2011)
Effekt av progressive brudd i sensitive leirer.
Academic chapter
-
Andresen, Lars;
Saygili, Gökhan;
Grimstad, Gustav.
(2011)
Finite element analysis of the Saint-Alban embankment failure with an anisotropic undrained strength model.
Academic chapter
-
Jostad, Hans Petter;
Grimstad, Gustav.
(2011)
Comparison of distribution functions for the non-local strain approach.
Academic chapter
-
Degago, Samson Abate;
Grimstad, Gustav;
Jostad, Hans Petter;
Nordal, Steinar;
Olsson, Mats.
(2011)
Use and misuse of the isotache concept with respect to creep hypotheses A and B.
Géotechnique
Academic article
-
Degago, Samson Abate;
Nordal, Steinar;
Grimstad, Gustav;
Jostad, Hans Petter.
(2011)
Analyses of Väsby test fill according to creep hypothesis A and B.
Academic chapter
2010
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Degago, Samson Abate;
Jostad, Hans Petter;
Olsson, Mats;
Grimstad, Gustav;
Nordal, Steinar.
(2010)
Time- and stress-compressibility of clays during primary consolidation.
Academic chapter
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Grimstad, Gustav;
Degago, Samson Abate.
(2010)
A non-associated creep model for structured anisotropic clay (n-SAC).
Academic chapter
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Grimstad, Gustav;
Degago, Samson Abate;
Nordal, Steinar;
Karstunen, Minna.
(2010)
Modeling creep and rate effects in structured anisotropic soft clays.
Acta Geotechnica
Academic article
2009
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Degago, Samson Abate;
Grimstad, Gustav;
Jostad, Hans Petter;
Nordal, Steinar.
(2009)
The non-uniqueness of the end-of-primary (EOP) void ratio-effective stress relationship.
Academic chapter
-
Grimstad, Gustav.
(2009)
Development of effective stress based anisotropic models for soft clays.
Norges teknisk-naturvitenskapelige universitet
Doctoral thesis
2008
-
Grimstad, Gustav;
Degago, Samson Abate;
Nordal, Steinar;
Karstunen, Minna.
(2008)
Modelling creep and rate effects using the time resistance concept in a model for anisotropy and destructuration.
Academic chapter
-
Grimstad, Gustav;
Bujulu, Pancras Mugishagwe Syldion;
Nordal, Steinar.
(2008)
A generalized constitutive model for stabilized quick clay.
Academic chapter
-
Bujulu, Pancras Mugishagwe Syldion;
Grimstad, Gustav;
Nordal, Steinar;
Grande, Lars Olav.
(2008)
An experimentally-based constitutive model for deep-mix stabilized quick clay.
Academic chapter
2007
-
Emdal, Arnfinn;
Priol, Gregoire;
Grimstad, Gustav;
Lohren, A.H..
(2007)
Numerical analysis of the effect of sleepers on the lateral displacement of railway track.
Academic chapter
2006
-
Thakur, Vikas Kumar Singh;
Nordal, Steinar;
Grimstad, Gustav.
(2006)
Phenomenological issues related to strain localization in sensitive clays.
Geotechnical and Geological Engineering
Academic article
-
Grimstad, Gustav;
Nordal, Steinar;
Athanasiu, Corneliu.
(2006)
A constitutive model for undrained anisotropic behaviour of clays.
Academic chapter
2005
-
Grimstad, Gustav;
Thakur, Vikas Kumar Singh;
Nordal, Steinar.
(2005)
Experimental observation on formation and propagation of shear zone in Norwegian quick clay.
Academic chapter
Journal publications
-
Bhattarai, Tulasi Ram;
Bhandary, Netra Prakash;
Grimstad, Gustav.
(2025)
Comparative Analysis and Performance Evaluation of SSC, n-SAC, and Creep-SCLAY1S Soil Creep Models in Predicting Soil Settlement.
Geotechnics
Academic article
-
Dadrasajirlou, Davood;
Sæther, Teodor Opland;
Falstad, Tobias;
Grimstad, Gustav;
Degago, Samson Abate;
Watn, Arnstein.
(2025)
Undrained effective stress-based stability analyses of natural slopes considering formation history effects.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Grimstad, Gustav;
Ul Hasan, Fahmid;
Degago, Samson Abate;
Dadrasajirlou, Davood;
Watn, Arnstein.
(2025)
Undrained shear strength anisotropy factors for natural slopes: pitfalls and remedies.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Kirstein, A.;
Locat, A.;
Jostad, Hans Petter;
Grimstad, Gustav;
Locat, P..
(2025)
Numerical Modelling of In Situ Stresses to Investigate the Initiation of Spreads in Sensitive Clay.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Degago, Samson Abate;
Grimstad, Gustav;
Dadrasajirlou, Davood;
Watn, Arnstein;
Brattlien, Kjetil;
Dolva, Bjørn K.;
Haugen, Ellen;
Strand, Stein Are.
(2025)
A coherent framework for stability assessment of natural slopes - robustness and safety.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Pan, Yutao;
Andreassen, Håvard Branstad;
Ler, Haakon Woie;
Nordal, Steinar;
Helle, Tonje Eide;
Valsson, Sigurdur Mar;
Dørum, Cato;
Leirvik, John;
Juliussen, Håvard;
Brattlien, Kjetil.
(2025)
In-situ detection of quick clay using modified penetration test apparatus.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Søvik, Marius Mathisen;
L'Heureux, Jean-Sébastien;
Rødvand, Laura Anne;
Grimstad, Gustav.
(2025)
A Novel Framework for Predicting Landslide Mechanism in Norwegian Quick Clays.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Lyu, Chuangxin;
Nishimura, Satoshi;
Ghoreishian Amiri, Seyed Ali;
Zhu, Feng;
Eiksund, Gudmund Reidar;
Grimstad, Gustav.
(2021)
Pore-water pressure development in a frozen saline clay under isotropic loading and undrained shearing.
Acta Geotechnica
Academic article
-
Bujulu, Pancras Mugishagwe Syldion;
Grimstad, Gustav.
(2012)
Generalized constitutive model for stabilized quick clay.
Global Journal of Engineering Research
Academic article
-
Page, Ana M.;
Grimstad, Gustav;
Eiksund, Gudmund Reidar;
Jostad, Hans Petter.
(2019)
A macro-element model for multidirectional cyclic lateral loading of monopiles in clay.
Computers and geotechnics
Academic article
-
Tran, Quoc Anh;
Grimstad, Gustav;
Ghoreishian Amiri, Seyed Ali.
(2023)
MPMICE: A hybrid MPM-CFD model for simulating coupled problems in porous media. Application to earthquake-induced submarine landslides.
International Journal for Numerical Methods in Engineering
Academic article
-
Gao, Hao;
Ghoreishian Amiri, Seyed Ali;
Kjelstrup, Signe;
Grimstad, Gustav;
Loranger, Benoit;
Scibilia, Elena.
(2022)
Formation and growth of multiple, distinct ice lenses in frost heave.
International journal for numerical and analytical methods in geomechanics (Print)
Academic article
-
Rødvand, Laura Anne;
Jostad, Hans Petter;
Grimstad, Gustav;
Andresen, Lars.
(2023)
Modelling mesh independent failure loads of a soft strain-softening clay using a rate dependent model.
Computers and geotechnics
Academic article
-
Tao, Rui;
Hu, Zhicheng;
Lau Leong Lee, Albert;
Grimstad, Gustav;
Pan, Yutao.
(2025)
Evolution of isolated heaving defects for vertical rail displacements: a multi-disciplinary study.
International Journal of Rail Transportation
Academic article
-
Lyu, Chuangxin;
Ghoreishian Amiri, Seyed Ali;
Grimstad, Gustav;
Høyland, Knut Vilhelm;
Ingeman-Nielsen, Thomas.
(2020)
Comparison of Geoacoustic Models for Unfrozen Water Content Estimation.
Journal of Geophysical Research (JGR): Solid Earth
Academic article
-
Ervik, Åse;
Høyland, Knut Vilhelm;
Grimstad, Gustav;
Nord, Torodd Skjerve.
(2017)
A continuum model of large deformation continuous ductile ice crushing.
Proceedings - International Conference on Port and Ocean Engineering under Arctic Conditions
Academic article
-
Thakur, Vikas Kumar Singh;
Nordal, Steinar;
Grimstad, Gustav.
(2006)
Phenomenological issues related to strain localization in sensitive clays.
Geotechnical and Geological Engineering
Academic article
-
Ghoreishian Amiri, Seyed Ali;
Grimstad, Gustav;
Dadrasajirlou, Davood.
(2025)
Integration of hyperplastic models in strain space.
Géotechnique
Academic article
-
Sukuvara, Dan Sergei;
Vaslestad, Jan;
Scibilia, Elena;
Baardvik, Gunvor;
Grimstad, Gustav.
(2024)
A Critical Review of Methods for Backfill Soil Modulus in Design of Flexible Culverts.
Transportation Research Record
Academic article
-
Jostad, Hans Petter;
Grimstad, Gustav;
Andersen, Knut H;
Saue, Morten;
Shin, Yunsup;
You, D.
(2014)
A FE Procedure for Foundation Design of Offshore Structures - Applied to Study a Potential OWT Monopile Foundation in the Korean Western Sea.
Geotechnical Engineering
Academic article
-
Dadrasajirlou, Davood;
Grimstad, Gustav;
Ghoreishian Amiri, Seyed Ali.
(2022)
On the isotache viscous modelling of clay behaviour using the hyperplasticity approach.
Géotechnique
Academic article
-
Lyu, Chuangxin;
Grimstad, Gustav;
Nishimura, Satoshi.
(2021)
Pore pressure coefficient in frozen soils.
Géotechnique
Academic article
-
Long, Mike;
Paniagua Lopez, Ana Priscilla;
Grimstad, Gustav;
Trafford, Andrew;
Degago, Samson Abate;
Heureux, Jean-Sebastien L.
(2022)
Engineering properties of Norwegian peat for calculation of settlements.
Engineering Geology
Academic article
-
Rødvand, Laura Anne;
Jostad, Hans Petter;
Grimstad, Gustav;
Andresen, Lars.
(2022)
Strain localisation in sensitive clays: can rate dependency provide mesh independent results?.
Computers and geotechnics
Academic article
-
Dadrasajirlou, Davood;
Grimstad, Gustav;
Ghoreishian Amiri, Seyed Ali;
Degago, Samson Abate;
Houlsby, G. T..
(2024)
Modified cam clay bounding surface hyper-viscoplastic model.
Géotechnique
Academic article
-
Ghoreishian Amiri, Seyed Ali;
Grimstad, Gustav;
Kadivar, Mehdi.
(2016)
An elastic-viscoplastic model for saturated frozen soils.
European Journal of Environmental and Civil Engineering (EJECE)
Academic article
-
Lyu, Chuangxin;
Ghoreishian Amiri, Seyed Ali;
Grimstad, Gustav;
Aalberg, Arne;
Shen, Yuanjie;
Ingeman-Nielsen, Thomas.
(2025)
Modeling the degradation of Saline marine permafrost: the influence of soil freezing characteristics.
Canadian geotechnical journal (Print)
Academic article
-
Tistel, Joar;
Grimstad, Gustav;
Eiksund, Gudmund Reidar.
(2017)
Testing and modeling of cyclically loaded rock anchors.
Journal of Rock Mechanics and Geotechnical Engineering
Academic article
-
Bujulu, Pancras Mugishagwe Syldion;
Grimstad, Gustav.
(2012)
Constitutive Model for Cemented Quick Clay in Deep-Mix Stabilization.
Global Journal of Engineering Research
Academic article
-
Tran, Quoc Anh;
Sørlie, Erik Ravik;
Grimstad, Gustav;
Eiksund, Gudmund Reidar;
Takahashi, Hidenori;
Sassa, Shinji.
(2024)
Influence of sediment permeability in seismic-induced submarine landslide mechanism: CFD-MPM validation with centrifuge tests and analysis.
Computers and geotechnics
Academic article
-
Grimstad, Gustav;
Degago, Samson Abate;
Boumezerane, Djamalddine.
(2015)
Discussion of “Viscous behaviour of clays in one-dimensional compression”.
Canadian geotechnical journal (Print)
Academic article
-
Long, Michael;
Paniagua Lopez, Ana Priscilla;
Grimstad, Gustav;
Sponås, Egil Berg Antoniazzi;
Bjertness, Endre;
Ritter, Stefan.
(2023)
Behaviour of 60-year-old trial embankments on peat.
Engineering Geology
Academic article
-
Grimstad, Gustav;
Andresen, Lars;
Jostad, Hans Petter.
(2012)
NGI-ADP: Anisotropic shear strength model for clay.
International journal for numerical and analytical methods in geomechanics (Print)
Academic article
-
Tistel, Joar;
Grimstad, Gustav;
Eiksund, Gudmund Reidar.
(2020)
A macro model for shallow foundations on granular soils describing non-linear foundation behavior.
Computers & structures
Academic article
-
Grimstad, Gustav;
Degago, Samson Abate;
Nordal, Steinar;
Karstunen, Minna.
(2010)
Modeling creep and rate effects in structured anisotropic soft clays.
Acta Geotechnica
Academic article
-
Kjelstrup, Signe;
Ghoreishian Amiri, Seyed Ali;
Loranger, Benoit;
Gao, Hao;
Grimstad, Gustav.
(2021)
Transport coefficients and pressure conditions for growth of ice lens in frozen soil.
Acta Geotechnica
Academic article
-
Cai, Fang;
Eiksund, Gudmund Reidar;
Grimstad, Gustav;
Jostad, Hans Petter.
(2014)
An anisotropic shear strength model for cyclic accumulated plastic strain of overconsolidated clay.
Electronic Journal of Geotechnical Engineering
Academic article
-
Dadrasajirlou, Davood;
Grimstad, Gustav;
Ghoreishian Amiri, Seyed Ali;
Nordal, Steinar.
(2023)
A set of hyper-viscoplastic critical state models with different friction mobilisation criteria.
International Journal of Solids and Structures
Academic article
-
Grimstad, Gustav;
Dadrasajirlou, Davood;
Ghoreishian Amiri, Seyed Ali.
(2020)
Modelling creep in clay using the framework of hyper-viscoplasticity.
Géotechnique Letters
Academic article
-
Grimstad, Gustav;
Long, Michael;
Dadrasajirlou, Davood;
Ghoreishian Amiri, Seyed Ali.
(2021)
Investigation of Development of the Earth Pressure Coefficient at Rest in Clay During Creep in the Framework of Hyper-Viscoplasticity.
International Journal of Geomechanics
Academic article
-
Grimstad, Gustav;
Paniagua Lopez, Ana Priscilla;
Weerdt, Klaartje De.
(2020)
På vegen mot karbonnegativ stabil grunn.
Byggeindustrien
Popular science article
-
Tran, Quoc Anh;
Rogstad, Agnete;
Depina, Ivan;
Fernándes, Fabricio;
Alene, Gebray Habtu;
Grimstad, Gustav;
Nordal, Steinar.
(2024)
3D large deformation modeling of the 2020 Gjerdrum quick clay landslide.
Canadian geotechnical journal (Print)
Academic article
-
Long, Michael;
Grimstad, Gustav;
Trafford, Andrew.
(2022)
Prediction of embankment settlement on Swedish peat using the soft soil creep model.
Proceedings of the Institution of Civil Engineers : Geotechnical Engineering
Academic article
-
Skau, Kristoffer Skjolden;
Grimstad, Gustav;
Page, Ana M.;
Eiksund, Gudmund Reidar;
Jostad, Hans Petter.
(2018)
A macro-element for integrated time domain analyses representing bucket foundations for offshore wind turbines.
Marine Structures
Academic article
-
Grimstad, Gustav;
Haji Ashrafi, Mohammad Ali;
Kadivar, Mehdi.
(2015)
PROFILE: Creep of geomaterials.
PAN european networks science and technology
Popular science article
-
Grimstad, Gustav.
(2015)
Bjørvika synker.
Byggeindustrien
Popular science article
-
Tran, Quoc Anh;
Grimstad, Gustav;
Ghoreishian Amiri, Seyed Ali.
(2022)
MPMICE: A hybrid MPM-CFD model for simulating coupled problems in porous media. Application to earthquake-induced submarine landslides.
arXiv.org
Academic article
-
Grimstad, Gustav;
Ghoreishian Amiri, Seyed Ali;
Nordal, Steinar.
(2019)
Relations and links between soil mechanics, porous media physics, physiochemical theory, and effective medium theory.
Frontiers in Physics
Academic literature review
-
Page, Ana M.;
Grimstad, Gustav;
Eiksund, Gudmund Reidar;
Jostad, Hans Petter.
(2018)
A macro-element pile foundation model for integrated analyses of monopile-based offshore wind turbines.
Ocean Engineering
Academic article
-
Ghoreishian Amiri, Seyed Ali;
Grimstad, Gustav;
Kadivar, Mehdi;
Nordal, Steinar.
(2016)
Constitutive model for rate-independent behavior of saturated frozen soils.
Canadian geotechnical journal (Print)
Academic article
-
Rostami, Hooman;
Ghoreishian Amiri, Seyed Ali;
Grimstad, Gustav.
(2017)
Back analysis of Caen’s test by the recently developed frozen/unfrozen soil.
Plaxis Bulletin
Popular science article
-
Grimstad, Gustav;
Nordal, Steinar;
Solberg, Inger-Lise;
Ottesen, Hanne Bratlie.
(2022)
Om kvikkleire og skredet den 30. desember 2020 i Gjerdrum.
Naturen
Academic article
-
Aamodt, Magnus Træland;
Grimstad, Gustav;
Nordal, Steinar.
(2021)
Effect of Strength Anisotropy on the Stability of Natural Slopes.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Degago, Samson Abate;
Grimstad, Gustav.
(2015)
Discussion of “Experimental investigation on the creep behavior of an unsaturated clay”.
Canadian geotechnical journal (Print)
Academic article
-
Grimstad, Gustav;
Haji Ashrafi, Mohammad Ali;
Degago, Samson Abate;
Nordal, Steinar;
Emdal, Arnfinn.
(2016)
Discussion of ‘Soil creep effects on ground lateral deformation and pore water pressure under embankments’.
Geomechanics and Geoengineering
Academic article
-
Degago, Samson Abate;
Grimstad, Gustav;
Jostad, Hans Petter;
Nordal, Steinar;
Olsson, Mats.
(2011)
Use and misuse of the isotache concept with respect to creep hypotheses A and B.
Géotechnique
Academic article
-
Ghoreishian Amiri, Seyed Ali;
Grimstad, Gustav;
Gao, Hao;
Kjelstrup, Signe.
(2021)
Numerical modelling of distinct ice lenses in frost heave.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Grimstad, Gustav;
Karstunen, Minna;
Jostad, Hans Petter;
Sivasithamparam, Nallathamby;
Mehli, Magne;
Zwanenburg, Cor;
Evert, den Haan;
Ghoreishian Amiri, Seyed Ali;
Boumezerane, Djamalddine;
Kadivar, Mehdi.
(2017)
Creep of geomaterials – some finding from the EU project CREEP.
European Journal of Environmental and Civil Engineering (EJECE)
Academic article
-
Attari, Yeganeh;
Jostad, Hans Petter;
Grimstad, Gustav;
Eiksund, Gudmund Reidar.
(2023)
Evaluation of Pile Driving Effects on Slope Stability in Clay.
Geotechnical and Geological Engineering
Academic article
Part of book/report
-
Grimstad, Gustav;
Mehli, Magne;
Degago, Samson Abate.
(2015)
Creep in Clay During the First Few Years After Construction.
Academic chapter
-
Ghoreishian Amiri, Seyed Ali;
Kadivar, Mehdi;
Grimstad, Gustav.
(2015)
A Thermo-Hydro-Mechanical Constitutive Model for Saturated Frozen Soil.
Academic chapter
-
Degago, Samson Abate;
Grimstad, Gustav.
(2013)
Evaluation of creep hypotheses A and B based on relevant laboratory tests.
Academic chapter
-
Degago, Samson Abate;
Jostad, Hans Petter;
Olsson, Mats;
Grimstad, Gustav;
Nordal, Steinar.
(2010)
Time- and stress-compressibility of clays during primary consolidation.
Academic chapter
-
Grimstad, Gustav;
Degago, Samson Abate.
(2010)
A non-associated creep model for structured anisotropic clay (n-SAC).
Academic chapter
-
Grimstad, Gustav;
Mehli, Magne;
Degago, Samson Abate.
(2015)
Is creep analysis creeping into practice?.
Academic chapter
-
Ghoreishian Amiri, Seyed Ali;
Kadivar, Mehdi;
Grimstad, Gustav.
(2015)
A new concept in developing a constitutive model for frozen soils.
Academic chapter
-
Boumezerane, Djamalddine;
Grimstad, Gustav;
Makdisi, Andrew.
(2015)
A framework for peat behaviour based on hyperplasticity principles.
Academic chapter
-
Rønningen, Jon A.;
Grimstad, Gustav;
Nordal, Steinar.
(2016)
Modelling soft Scandinavian clay behavior using the asymptotic state.
Academic chapter
-
Degago, Samson;
Grimstad, Gustav.
(2014)
Significance of sample quality in settlement analysis of field cases.
Academic chapter
-
Haji Ashrafi, Mohammad Ali;
Grimstad, Gustav.
(2015)
Implementation of a critical state soft soil creep model with shear stiffness.
Academic chapter
-
Grimstad, Gustav;
Rønningen, Jon A.;
Nøst, Hilde Aas.
(2014)
Use of IWAN models for modelling anisotropic and cyclic behavior of clays.
Academic chapter
-
Hoogstraten, Sara C. van;
Hermans, Sebastiaan J.;
Versteijlen, Willem G.;
Page, Ana M.;
Grimstad, Gustav;
Pisanò, Federico;
Metrikine, Andrei V..
(2020)
The Macro-Element Method for Offshore Wind Turbines Exposed to Extreme Loads in the Asia-Pacific Region.
Academic chapter
-
Tistel, Joar;
Grimstad, Gustav.
(2016)
A macro model description of the non-linear anchor block foundation behavior.
Academic chapter
-
Emdal, Arnfinn;
Priol, Gregoire;
Grimstad, Gustav;
Lohren, A.H..
(2007)
Numerical analysis of the effect of sleepers on the lateral displacement of railway track.
Academic chapter
-
Rødvand, Laura Anne;
Andresen, Lars;
Grimstad, Gustav.
(2019)
Case study of a road bridge hit by a landslide in highly sensitive clay.
Non-fiction chapter
-
Lyu, Chuangxin;
Ghoreishian Amiri, Seyed Ali;
Gao, Hao;
Ingeman-Nielsen, Thomas;
Grimstad, Gustav.
(2019)
Joint Acoustic and Electrical Measurements for Unfrozen Water Saturation Estimate—A Review.
Academic chapter
-
Grimstad, Gustav;
Jostad, Hans Petter.
(2011)
Effekt av progressive brudd i sensitive leirer.
Academic chapter
-
Andresen, Lars;
Saygili, Gökhan;
Grimstad, Gustav.
(2011)
Finite element analysis of the Saint-Alban embankment failure with an anisotropic undrained strength model.
Academic chapter
-
Grimstad, Gustav;
Mehli, Magne;
Jostad, Hans Petter.
(2014)
Forskningstemaet: krypoppførsel av geomaterialer og innlemmelse i geoteknisk prosjektering.Hvordan best utføre krypmodellering?.
Academic chapter
-
Jostad, Hans Petter;
Grimstad, Gustav;
Andersen, Knut H;
Sivasithamparam, Nallathamby.
(2015)
A FE procedure for calculation of cyclic behaviour of offshore foundations under partly drained conditions.
Academic chapter
-
Rønningen, Jon A.;
Gavel-Solberg, Vegard;
Grimstad, Gustav.
(2014)
Effective stress model for soft Scandinavian clays.
Academic chapter
-
Boumezerane, Djamalddine;
Grimstad, Gustav.
(2015)
A Rheological Model for Peat That Accounts for Creep.
Academic chapter
-
Grimstad, Gustav;
Degago, Samson Abate;
Nordal, Steinar;
Karstunen, Minna.
(2008)
Modelling creep and rate effects using the time resistance concept in a model for anisotropy and destructuration.
Academic chapter
-
Grimstad, Gustav;
Bujulu, Pancras Mugishagwe Syldion;
Nordal, Steinar.
(2008)
A generalized constitutive model for stabilized quick clay.
Academic chapter
-
Ghoreishian Amiri, Seyed Ali;
Grimstad, Gustav.
(2017)
Constitutive Model for Long-Term Behavior of Saturated Frozen Soil.
Academic chapter
-
Degago, Samson;
Grimstad, Gustav;
Jostad, Hans Petter;
Nordal, Steinar.
(2013)
Misconceptions about experimental substantion of creep hypotheis A.
Academic chapter
-
Grimstad, Gustav;
Rønningen, Jon Abusland;
Nordal, Steinar.
(2018)
Application of a generalized continuous Mohr–Coulomb criterion.
Academic chapter
-
Rønningen, Jon Abusland;
Grimstad, Gustav;
Nordal, Steinar.
(2018)
On the convexity of yield and potential surfaces in rotational hardening critical state models.
Academic chapter
-
Nordal, Steinar;
Grimstad, Gustav;
Jordbakke, Tormod;
Rabstad, Kristoffer;
Isachsen, Marit.
(2018)
On modelling of anisotropic undrained strength for non-horizontal terrain.
Academic chapter
-
Bjerre, Jesper;
Rønningen, Jon Abusland;
Grimstad, Gustav;
Nordal, Steinar.
(2018)
Effective Stress based Model for Natural Soft Clays incorporating Restructuration.
Academic chapter
-
Degago, Samson Abate;
Grimstad, Gustav;
Jostad, Hans Petter;
Nordal, Steinar.
(2009)
The non-uniqueness of the end-of-primary (EOP) void ratio-effective stress relationship.
Academic chapter
-
Bujulu, Pancras Mugishagwe Syldion;
Grimstad, Gustav;
Nordal, Steinar;
Grande, Lars Olav.
(2008)
An experimentally-based constitutive model for deep-mix stabilized quick clay.
Academic chapter
-
Grimstad, Gustav;
Thakur, Vikas Kumar Singh;
Nordal, Steinar.
(2005)
Experimental observation on formation and propagation of shear zone in Norwegian quick clay.
Academic chapter
-
Skau, Kristoffer Skjolden;
Andresen, Lars;
Jostad, Hans Petter;
Fornes, Petter;
Grimstad, Gustav;
Page, Ana.
(2013)
Stability and deformations of Zelazny Most dam - One of the world's largest deponies for copper tailings.
Academic chapter
-
Grimstad, Gustav;
Nordal, Steinar;
Athanasiu, Corneliu.
(2006)
A constitutive model for undrained anisotropic behaviour of clays.
Academic chapter
-
Jostad, Hans Petter;
Grimstad, Gustav.
(2011)
Comparison of distribution functions for the non-local strain approach.
Academic chapter
-
Grimstad, Gustav;
Jostad, Hans Petter.
(2012)
Stability analyses of quick clay using FEM and an anisotropic strain softening model with internal length scale.
Academic chapter
-
Degago, Samson;
Grimstad, Gustav;
Jostad, Hans Petter;
Nordal, Steinar.
(2013)
Misconceptions about experimental substantiation of creep hypothesis A.
Academic chapter
-
Cicchetti, Lorenzo;
Grimstad, Gustav;
Ghoreishian Amiri, Seyed Ali;
Ingeman-Nielsen, Thomas.
(2018)
Thermo-Hydro-Mechanical simulations of Artificial Ground Freezing.
Academic chapter
-
Grimstad, Gustav;
Melhus, Ole;
Degago, Samson Abate;
Ebeltoft, Roger Guldvik.
(2013)
Modeling of rock fall impact using discrete element method (DEM.
Academic chapter
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Grimstad, Gustav;
Ghoreishian Amiri, Seyed Ali;
Watn, Arnstein;
Hoff, Inge.
(2018)
Frost protection in roads using insulation materials.
Academic chapter
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Bonadies, F.;
Nordal, Steinar;
Gylland, Anders Samstad;
Grimstad, Gustav;
Jostad, Hans Petter;
Cuomo, S.;
Cascini, L..
(2014)
Numerical methods for simulation of downward progressive landslides.
Academic chapter
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Degago, Samson Abate;
Nordal, Steinar;
Grimstad, Gustav;
Jostad, Hans Petter.
(2011)
Analyses of Väsby test fill according to creep hypothesis A and B.
Academic chapter
Report
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Ghoreishian Amiri, Seyed Ali;
Kadivar, Mehdi;
Grimstad, Gustav.
(2016)
Enhanced permafrost creep model– user manual and documentation.
PIAG_GA_2011‐286397‐R6
Research report
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Ghoreishian Amiri, Seyed Ali;
Grimstad, Gustav;
Lubbad, Raed Khalil.
(2022)
Report on calibrated and validated numerical models to estimate site specific stability of coastal infrastructure in a changing climate with thawing permafrost.
NUNATARYUK project
Research report
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Grimstad, Gustav;
Rønningen, Jon A.;
Benz, Thomas;
Jostad, Hans Petter;
Haan, Evert Den;
Qi, Jilin.
(2013)
User manual for the creep database.
NTNU
Research report
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Fornes, Petter;
Grimstad, Gustav;
Jostad, Hans Petter.
(2014)
Effekt av progressiv bruddutvikling for utbygging i områder med kvikkleire : tilbakeregning av Vestfossenskredet.
Norges vassdrags- og energidirektorat
Other type of report
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Grimstad, Gustav;
Jostad, Hans Petter.
(2014)
Effekt av progressiv bruddutvikling for utbygging i områder med kvikkleire: numerisk metode for beregning av udrenert brudd i sensitive materialer.
Norges vassdrags- og energidirektorat
Other type of report
Student thesis or dissertation
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Torgersrud, Øyvind;
Mohus, Oda;
Eikebrokk, Anna;
Grimstad, Gustav.
(2021)
Simulations of Characteristic Sand Behavior by DEM.
Norges teknisk-naturvitenskapelige universitet
Master thesis
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Dadrasajirlou, Davood;
Grimstad, Gustav;
Ghoreishian Amiri, Seyed Ali.
(2022)
Hyper-Viscoplastic Modelling of Clay Behaviour.
Norges teknisk-naturvitenskapelige universitet
Doctoral thesis
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Grimstad, Gustav.
(2009)
Development of effective stress based anisotropic models for soft clays.
Norges teknisk-naturvitenskapelige universitet
Doctoral thesis
Teaching
Courses
- BA8304 - Soil Modelling
- TBA4116 - Geotechnical Engineering, Advanced Course
- BA6064 - Geotechnical calculation methods
- TBM4241 - Numerical and Analytical Methods in Geotechnics
- BA6063 - Geotechnics - Introduction
- TBM4342 - Geotechnical Engineering 2
- TBM4540 - Geotechnics and Geohazards, Specialization Project
- TBM4541 - Geotechnics and Geohazards, Specialization Project
Outreach
2024
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Conference lectureGrimstad, Gustav; Watn, Arnstein; Degago, Samson Abate; Dadrasajirlou, Davood; Haugen, Ellen Davis; Dolva, Bjørn Kristoffer; Brattlien, Kjetil; Strand, Stein-Are. (2024) FORSKNINGSPROJEKT SAUNA - STABILITET AV NATURLIGE SKRÅNINGER I KVIKKLEIRE - CASE TOFTE, HALSNØY. Geoteknikkdagen 2024
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Conference lectureGrimstad, Gustav; Degago, Samson Abate; Dadrasajirlou, Davood; Watn, Arnstein; Haugen, Ellen Davis; Brattlien, Kjetil; Dolva, Bjørn Kristoffer. (2024) STABILITY OF NATURAL SLOPES - ROBUSTNESS AND SAFETY. 19th Nordic Geotechnical Meeting
2023
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Feature articleHov, Sølve; Paniagua Lopez, Ana Priscilla; Grimstad, Gustav; Pan, Yutao. (2023) Kan forsterkning av bløt grunn bli bærekraftig?.
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Conference lectureGhoreishian Amiri, Seyed Ali; Dadrasajirlou, Davood; Grimstad, Gustav. (2023) Direct integration method for hyperplastic models. 10th European Conference on Numerical Methods in Geotechnical Engineering
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Feature articleHov, Sølve; Paniagua Lopez, Ana Priscilla; Grimstad, Gustav; Pan, Yutao. (2023) Kan forsterkning av bløt grunn bli bærekraftig?.
2022
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Conference lectureTran, Quoc Anh; Rogstad, Agnete; Grimstad, Gustav; Nordal, Steinar; Alene, Gebray Habtu. (2022) Preliminary study of 3D large deformation modeling of the Gjerdrum 2020 sensitive clay landslide. the 8th Canadian Conference on Geotechnique and Natural HazardsAt: Quebec, Canada
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Conference lectureTran, Quoc Anh; Grimstad, Gustav; Ghoreishian Amiri, Seyed Ali. (2022) Coupled CFD-MPM simulation of soil-fluid interaction in geotechnics. Presentations and videos to 7th edition of the International Conference on Particle Meothds
2021
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Conference lectureAamodt, Magnus T; Grimstad, Gustav; Nordal, Steinar. (2021) Effect of Strength Anisotropy on the Stability of Natural Slopes. 18th Nordic Geotechnical Meeting 18-19 January 2021, Helsinki, Finland
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Conference lectureTorgersrud, Øyvind; Mohus, Oda; Eikebrokk, Anna; Grimstad, Gustav; Jostad, Hans Petter. (2021) Critical state line from level set discrete element method. Tailings and Mine Waste 2021
2020
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LectureLyu, Chuangxin; Ingeman-Nielsen, Thomas; Ghoreishian Amiri, Seyed Ali; Eiksund, Gudmund Reidar; Grimstad, Gustav. (2020) Joint Acoustic and Electrical Measurements for Unfrozen Water Saturation of Frozen Saline Soil. EGU General Assembly 2020
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LectureKjelstrup, Signe; Ghoreishian Amiri, Seyed Ali; Gao, Hao; Grimstad, Gustav; Loranger, Benoit. (2020) Dynamic of ice lens formation in frozen soil. InterPore 2020
2019
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LectureGhoreishian Amiri, Seyed Ali; Gao, Hao; Grimstad, Gustav; Kjelstrup, Signe. (2019) A discontinuous approach for modelling distinct ice lenses in frost heave phenomenon. Int. Workshop on Non-Equilibrium Thermodynamics in Porous Media
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Conference lectureDegago, Samson Abate; Grimstad, Gustav. (2019) Potential application of satellite data in evaluation of field creep calculation. 19th International Conference on Soil Mechanics and Geotechnical Engineering
2018
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LectureGhoreishian Amiri, Seyed Ali; Grimstad, Gustav. (2018) Computational Model for Freezing and Thawing Processes in Fully Saturated Soils. China – Europe Conference on Geotechnical Engineering
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LectureGhoreishian Amiri, Seyed Ali; Grimstad, Gustav; Nordal, Steinar. (2018) Porous media in a geotechnical context: constitutive modeling and effective stress measure. 2nd National Interpore Workshop
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Conference lectureGrimstad, Gustav. (2018) On the constitutive modelling of clay soils. 3. Deutsche Bodenmechanik Tagung 2018
2017
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LectureGhoreishian Amiri, Seyed Ali; Grimstad, Gustav. (2017) Coupled THM constitutive model for porous materials under frost action: Application to frost heave simulation. 9th International Conference on Porous Media & Annual Meeting (InterPore 2017)
2016
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Conference posterKadivar, Mehdi; Grimstad, Gustav; Ghoreishian Amiri, Seyed Ali; Jostad, Hans Petter; Birkeland, Ellen. (2016) Study of frost susceptibility of normally consolidated clay using NGI frost heave cell. XI. International Conference on Permafrost
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Conference lectureGrimstad, Gustav; Ghoreishian Amiri, Seyed Ali. (2016) Constitutive modeling of frozen soils. Norwegian chapter InterPore Kick-off Workshop
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Conference posterGhoreishian Amiri, Seyed Ali; Grimstad, Gustav. (2016) Elastic-ViscoPlastic Model for Saturated Frozen Soils. Alert Workshop
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Conference posterGhoreishian Amiri, Seyed Ali; Grimstad, Gustav. (2016) Elastic-ViscoPlastic Model for Saturated Frozen Soils. Norwegian chapter InterPore Kick-off Workshop
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Conference lectureDegago, Samson Abate; Grimstad, Gustav. (2016) Evaluation of soil parameters for creep calculations of field cases. The 17th Nordic Geotechnical Meeting
2015
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Conference lecture
2014
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Conference lecture
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LectureGrimstad, Gustav; Ashrafi, Mohammad Ali Haji. (2014) Back calculation of embankments with OCR determined from prediction of initial strain rate rather than from OCR determined from disturbed samples in oedometer tests under unknown (different than the in-situ) stress condition, with a simple creep model. CREBS IV
2012
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Conference lectureGrimstad, Gustav. (2012) Stability analyses of quick clay using FEM and an anisotropic strain softening model with internal length scale. 3rd GEO-INSTALL workshop
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Conference lectureGrimstad, Gustav; Degago, Samson. (2012) Modeling of soft clay with focus on anisotropy and creep. Yngres dag
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Conference lectureDegago, Samson; Grimstad, Gustav. (2012) Implication of sample quality in settlement analysis of field cases. Indian Geotechnical Conference (IGC)
2011
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Conference lecture
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Conference lectureGrimstad, Gustav. (2011) A non-associated creep model for structured anisotropic clay (n-SAC). 2nd GEO-INSTALL workshop
2010
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Conference lectureGrimstad, Gustav; Jostad, Hans Petter; Andresen, Lars. (2010) Undrained capacity analyses of sensitive clays using the non-local strain approach. 9th HSTAM International Congress on Mechanics, VARDOULAKIS MINI-SYMPOSIA
2007
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Conference lectureGrimstad, Gustav. (2007) STUDY OF THE FRICTION SLEEPER PERFORMANCE USING 3D FEM. 14th European PLAXIS users meeting
2006
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Conference posterThakur, Vikas Kumar Singh; Grimstad, Gustav; Nordal, Steinar. (2006) Instability in soft sensitive clays. 2006 ECI Conference on Geohazards