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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Publications
2023
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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.
volum 273.
Academic article
2022
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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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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).
volum 47.
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.
volum 146 (2-3).
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.
volum 175 (5).
Academic article
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Long, Mike;
Paniagua Lopez, Ana Priscilla;
Grimstad, Gustav;
Trafford, Andrew;
Degago, Samson Abate;
L Heureux, Jean-Sebastien.
(2022)
Engineering properties of Norwegian peat for calculation of settlements.
Engineering Geology.
volum 308.
Academic article
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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.
volum 145.
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
2021
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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).
volum 710.
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).
volum 710.
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.
volum 21 (1).
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.
volum 16 (7).
Academic article
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Lyu, Chuangxin;
Grimstad, Gustav;
Nishimura, Satoshi.
(2021)
Pore pressure coefficient in frozen soils.
Géotechnique.
Academic article
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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.
volum 16 (12).
Academic article
2020
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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.
volum 10 (3).
Academic article
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Grimstad, Gustav;
Paniagua Lopez, Ana Priscilla;
De Weerdt, Klaartje.
(2020)
På vegen mot karbonnegativ stabil grunn.
Byggeindustrien.
Popular scientific 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.
4th International Symposium on Frontiers in Offshore Geotechnics. Proceedings. (ISFOG).
Academic chapter/article/Conference paper
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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.
volum 125 (10).
Academic article
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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.
volum 232.
Academic article
2019
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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.
volum 7:41.
Academic literature review
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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.
Cold Regions Engineering 2019.
Academic chapter/article/Conference paper
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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.
volum 106.
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.
Proceedings of the XVII ECSMGE 2019 : Geotechnical Engineering foundation of the future : European Conference on Soil Mechanics and Geotechnical Engineering.
Chapter
2018
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Bjerre, Jesper;
Rønningen, Jon Abusland;
Grimstad, Gustav;
Nordal, Steinar.
(2018)
Effective Stress based Model for Natural Soft Clays incorporating Restructuration.
Numerical Methods in Geotechnical Engineering IX: Proceedings of the 9th European Conference on Numerical Methods in Geotechnical Engineering (NUMGE 2018), June 25-27, 2018, Porto, Portugal.
Academic chapter/article/Conference paper
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Cicchetti, Lorenzo;
Grimstad, Gustav;
Ghoreishian Amiri, Seyed Ali;
Ingeman-Nielsen, Thomas.
(2018)
Thermo-Hydro-Mechanical simulations of Artificial Ground Freezing.
AIC2018 Transportation infrastructure engineering in cold regions.
Academic chapter/article/Conference paper
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Grimstad, Gustav;
Ghoreishian Amiri, Seyed Ali;
Watn, Arnstein;
Hoff, Inge.
(2018)
Frost protection in roads using insulation materials.
AIC2018 Transportation infrastructure engineering in cold regions.
Academic chapter/article/Conference paper
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Grimstad, Gustav;
Rønningen, Jon Abusland;
Nordal, Steinar.
(2018)
Application of a generalized continuous Mohr–Coulomb criterion.
Numerical Methods in Geotechnical Engineering IX: Proceedings of the 9th European Conference on Numerical Methods in Geotechnical Engineering (NUMGE 2018), June 25-27, 2018, Porto, Portugal.
Academic chapter/article/Conference paper
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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.
Numerical Methods in Geotechnical Engineering IX: Proceedings of the 9th European Conference on Numerical Methods in Geotechnical Engineering (NUMGE 2018), June 25-27, 2018, Porto, Portugal.
Academic chapter/article/Conference paper
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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.
volum 167.
Academic article
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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.
Numerical Methods in Geotechnical Engineering IX: Proceedings of the 9th European Conference on Numerical Methods in Geotechnical Engineering (NUMGE 2018), June 25-27, 2018, Porto, Portugal.
Academic chapter/article/Conference paper
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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.
volum 59.
Academic article
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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Ghoreishian Amiri, Seyed Ali;
Grimstad, Gustav.
(2017)
Constitutive Model for Long-Term Behavior of Saturated Frozen Soil.
Poromechanics VI: Proceedings of the Sixth Biot Conference on Poromechanics.
Academic chapter/article/Conference paper
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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;
Haji Ashrafi, Mohammad Ali;
Rønningen, Jon A..
(2017)
Creep of geomaterials – some finding from the EU project CREEP.
European Journal of Environmental and Civil Engineering (EJECE).
volum 26 (7).
Academic article
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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 scientific 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.
volum 9 (6).
Academic article
2016
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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).
volum 26 (7).
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).
volum 53 (10).
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.
volum 11 (1).
Academic article
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Rønningen, Jon A.;
Grimstad, Gustav;
Nordal, Steinar.
(2016)
Modelling soft Scandinavian clay behavior using the asymptotic state.
Proceedings of the 17th Nordic Geotechnical Meeting.
Academic chapter/article/Conference paper
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Tistel, Joar;
Grimstad, Gustav.
(2016)
A macro model description of the non-linear anchor block foundation behavior.
Proceeding of the Sixth International Conference on Structural Engineering, Mechanics and Computation (SEMC 2016), Insights and Innovations in tructural Engineering, Mechanics and Computation.
Academic chapter/article/Conference paper
2015
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Boumezerane, Djamalddine;
Grimstad, Gustav.
(2015)
A Rheological Model for Peat That Accounts for Creep.
Proceedings of the 6th International Symposium on Deformation Characteristics of Geomaterials.
Academic chapter/article/Conference paper
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Boumezerane, Djamalddine;
Grimstad, Gustav;
Makdisi, Andrew.
(2015)
A framework for peat behaviour based on hyperplasticity principles.
Proceedings of the International Conference on Creep and Deformation Characteristics in Geomaterials.
Academic chapter/article/Conference paper
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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).
volum 52 (2).
Short communication
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Ghoreishian Amiri, Seyed Ali;
Kadivar, Mehdi;
Grimstad, Gustav.
(2015)
A Thermo-Hydro-Mechanical Constitutive Model for Saturated Frozen Soil.
Proceedings of the 6th International Symposium on Deformation Characteristics of Geomaterials.
Academic chapter/article/Conference paper
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Ghoreishian Amiri, Seyed Ali;
Kadivar, Mehdi;
Grimstad, Gustav.
(2015)
A new concept in developing a constitutive model for frozen soils.
Proceedings of the International Conference on Creep and Deformation Characteristics in Geomaterials.
Academic chapter/article/Conference paper
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Grimstad, Gustav.
(2015)
Bjørvika synker.
Byggeindustrien.
Popular scientific article
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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).
volum 52.
Short communication
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Grimstad, Gustav;
Haji Ashrafi, Mohammad Ali;
Kadivar, Mehdi.
(2015)
PROFILE: Creep of geomaterials.
PAN european networks science and technology.
Popular scientific article
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Grimstad, Gustav;
Mehli, Magne;
Degago, Samson Abate.
(2015)
Creep in Clay During the First Few Years After Construction.
Proceedings of the 6th International Symposium on Deformation Characteristics of Geomaterials.
Academic chapter/article/Conference paper
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Grimstad, Gustav;
Mehli, Magne;
Degago, Samson Abate.
(2015)
Is creep analysis creeping into practice?.
Proceedings of the International Conference on Creep and Deformation Characteristics in Geomaterials.
Academic chapter/article/Conference paper
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Haji Ashrafi, Mohammad Ali;
Grimstad, Gustav.
(2015)
Implementation of a critical state soft soil creep model with shear stiffness.
Proceedings of the International Conference on Creep and Deformation Characteristics in Geomaterials.
Academic chapter/article/Conference paper
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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.
Frontiers in Offshore Geotechnics III.
Academic chapter/article/Conference paper
2014
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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.
Numerical Methods in Geotechnical Engineering: Proceedings of the 8th European Conference on Numerical Methods in Geotechnical Engineering, Delft, The Netherlands, 18-20 June 2014.
Academic chapter/article/Conference paper
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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.
volum 19 S.
Academic article
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Degago, Samson;
Grimstad, Gustav.
(2014)
Significance of sample quality in settlement analysis of field cases.
Numerical Methods in Geotechnical Engineering: Proceedings of the 8th European Conference on Numerical Methods in Geotechnical Engineering, Delft, The Netherlands, 18-20 June 2014.
Academic chapter/article/Conference paper
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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.
2014. ISBN 978-82-410-1008-8.
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.
2014.
Report
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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?.
Fjellsprengningsdagen, Begmekanikkdagen, Geoteknikkdagen.
Academic chapter/article/Conference paper
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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.
Numerical Methods in Geotechnical Engineering: Proceedings of the 8th European Conference on Numerical Methods in Geotechnical Engineering, Delft, The Netherlands, 18-20 June 2014.
Academic chapter/article/Conference paper
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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.
volum 45 (4).
Academic article
-
Rønningen, Jon A.;
Gavel-Solberg, Vegard;
Grimstad, Gustav.
(2014)
Effective stress model for soft Scandinavian clays.
Proceedings of the 23rd European Young Geotechnical Engineers Conference.
Academic chapter/article/Conference paper
2013
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Degago, Samson Abate;
Grimstad, Gustav.
(2013)
Evaluation of creep hypotheses A and B based on relevant laboratory tests.
Proceedings of the 5th International Young Geotechnical Engineers' Conference.
Academic chapter/article/Conference paper
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Degago, Samson;
Grimstad, Gustav;
Jostad, Hans Petter;
Nordal, Steinar.
(2013)
Misconceptions about experimental substantiation of creep hypothesis A.
Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering - Challenges and Innovations in Geotechnics.
Academic chapter/article/Conference paper
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Degago, Samson;
Grimstad, Gustav;
Jostad, Hans Petter;
Nordal, Steinar.
(2013)
Misconceptions about experimental substantion of creep hypotheis A.
Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering - Challenges and Innovations in Geotechnics.
Academic chapter/article/Conference paper
-
Grimstad, Gustav.
(2013)
Creep of geomaterials webpage.
Website (informational material)
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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.
Installation Effects in Geotechnical Engineering.
Academic chapter/article/Conference paper
-
Grimstad, Gustav;
Rønningen, Jon A..
(2013)
Creep database.
NTNU. 2013.
Database
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Grimstad, Gustav;
Rønningen, Jon A.;
Benz, Thomas;
Jostad, Hans Petter;
Den Haan, Evert;
Qi, Jilin.
(2013)
User manual for the creep database.
2013.
Report
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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.
Fjellsprengningsdagen, Bergmekanikkdagen, Geoteknikkdagen.
Academic chapter/article/Conference paper
2012
-
Bujulu, Pancras Mugishagwe Syldion;
Grimstad, Gustav.
(2012)
Constitutive Model for Cemented Quick Clay in Deep-Mix Stabilization.
Global Journal of Engineering Research.
volum 11 (1).
Academic article
-
Bujulu, Pancras Mugishagwe Syldion;
Grimstad, Gustav.
(2012)
Generalized constitutive model for stabilized quick clay.
Global Journal of Engineering Research.
volum 11 (2).
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).
volum 36 (4).
Academic article
-
Grimstad, Gustav;
Jostad, Hans Petter.
(2012)
Stability analyses of quick clay using FEM and an anisotropic strain softening model with internal length scale.
NGM 2012. Proc of the 16th Nordic Geotechnical Meeting.
Academic chapter/article/Conference paper
2011
-
Andresen, Lars;
Saygili, Gökhan;
Grimstad, Gustav.
(2011)
Finite element analysis of the Saint-Alban embankment failure with an anisotropic undrained strength model.
Proceedings of the 15th European Conference on Soil Mechanics and Geotechnical Engineering.
Academic chapter/article/Conference paper
-
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.
volum LXI (10).
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.
Proceedings of the 13th International Conference of the International Association for Computer Methods and Advances in Geomechanics.
Academic chapter/article/Conference paper
-
Grimstad, Gustav;
Jostad, Hans Petter.
(2011)
Effekt av progressive brudd i sensitive leirer.
Fjellsprengningsdagen, bergteknikk- og geoteknikkdagen 2011.
Academic chapter/article/Conference paper
-
Jostad, Hans Petter;
Grimstad, Gustav.
(2011)
Comparison of distribution functions for the non-local strain approach.
Computational geomechanics: COMGEO II: proceedings of the 2nd International symposium on computational geomechanics (COMGEO II), Cavtat-Dubrovnik, 27-29 April, 2011.
Academic chapter/article/Conference paper
2010
-
Degago, Samson Abate;
Jostad, Hans Petter;
Olsson, Mats;
Grimstad, Gustav;
Nordal, Steinar.
(2010)
Time- and stress-compressibility of clays during primary consolidation.
NUMGE 2010, Numerical Methods in Geotechnical Engineering.
Academic chapter/article/Conference paper
-
Grimstad, Gustav;
Degago, Samson Abate.
(2010)
A non-associated creep model for structured anisotropic clay (n-SAC).
NUMGE 2010, Numerical Methods in Geotechnical Engineering.
Academic chapter/article/Conference paper
-
Grimstad, Gustav;
Degago, Samson Abate;
Nordal, Steinar;
Karstunen, Minna.
(2010)
Modeling creep and rate effects in structured anisotropic soft clays.
Acta Geotechnica.
volum 5 (1).
Academic article
2009
-
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.
Proc of the 17th International Conference on Soil Mechanics and Geotechnical Engineering.
Academic chapter/article/Conference paper
-
Grimstad, Gustav.
(2009)
Development of effective stress based anisotropic models for soft clays.
2009. ISBN 978-82-471-1732-3. Doktoravhandlinger ved NTNU (2009:169).
Doctoral dissertation
2008
-
Bujulu, Pancras Mugishagwe Syldion;
Grimstad, Gustav;
Nordal, Steinar;
Grande, Lars Olav.
(2008)
An experimentally-based constitutive model for deep-mix stabilized quick clay.
Geotechnics of Soft Soils. Focus on Ground Improvement.
Academic chapter/article/Conference paper
-
Grimstad, Gustav;
Bujulu, Pancras Mugishagwe Syldion;
Nordal, Steinar.
(2008)
A generalized constitutive model for stabilized quick clay.
Nordisk Geoteknikermøte nr.15, Proceedings.
Academic chapter/article/Conference paper
-
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.
Nordisk Geoteknikermøte nr.15, Proceedings.
Academic chapter/article/Conference paper
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.
Numerical models in geomechanics, NUMOG X.
Academic chapter/article/Conference paper
2006
-
Grimstad, Gustav;
Nordal, Steinar;
Athanasiu, Corneliu.
(2006)
A constitutive model for undrained anisotropic behaviour of clays.
Numerical Methods in Geotechnical Engineering.
Academic chapter/article/Conference paper
-
Thakur, Vikas Kumar Singh;
Nordal, Steinar;
Grimstad, Gustav.
(2006)
Phenomenological issues related to strain localization in sensitive clays.
Geotechnical and Geological Engineering.
volum 24.
Academic article
2005
-
Grimstad, Gustav;
Thakur, Vikas Kumar Singh;
Nordal, Steinar.
(2005)
Experimental observation on formation and propagation of shear zone in Norwegian quick clay.
Landslides and Avalanches, ICFL 2005 Norway.
Academic chapter/article/Conference paper
Journal publications
-
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.
volum 273.
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
-
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).
volum 47.
Academic article
-
Grimstad, Gustav;
Nordal, Steinar;
Solberg, Inger-Lise;
Ottesen, Hanne Bratlie.
(2022)
Om kvikkleire og skredet den 30. desember 2020 i Gjerdrum.
Naturen.
volum 146 (2-3).
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.
volum 175 (5).
Academic article
-
Long, Mike;
Paniagua Lopez, Ana Priscilla;
Grimstad, Gustav;
Trafford, Andrew;
Degago, Samson Abate;
L Heureux, Jean-Sebastien.
(2022)
Engineering properties of Norwegian peat for calculation of settlements.
Engineering Geology.
volum 308.
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.
volum 145.
Academic 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
-
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).
volum 710.
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).
volum 710.
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.
volum 21 (1).
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.
volum 16 (7).
Academic article
-
Lyu, Chuangxin;
Grimstad, Gustav;
Nishimura, Satoshi.
(2021)
Pore pressure coefficient in frozen soils.
Géotechnique.
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.
volum 16 (12).
Academic article
-
Grimstad, Gustav;
Dadrasajirlou, Davood;
Ghoreishian Amiri, Seyed Ali.
(2020)
Modelling creep in clay using the framework of hyper-viscoplasticity.
Géotechnique Letters.
volum 10 (3).
Academic article
-
Grimstad, Gustav;
Paniagua Lopez, Ana Priscilla;
De Weerdt, Klaartje.
(2020)
På vegen mot karbonnegativ stabil grunn.
Byggeindustrien.
Popular scientific 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.
volum 125 (10).
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.
volum 232.
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.
volum 7:41.
Academic literature review
-
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.
volum 106.
Academic article
-
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.
volum 167.
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.
volum 59.
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
-
Grimstad, Gustav;
Karstunen, Minna;
Jostad, Hans Petter;
Sivasithamparam, Nallathamby;
Mehli, Magne;
Zwanenburg, Cor;
Evert, den Haan;
Ghoreishian Amiri, Seyed Ali;
Boumezerane, Djamalddine;
Kadivar, Mehdi;
Haji Ashrafi, Mohammad Ali;
Rønningen, Jon A..
(2017)
Creep of geomaterials – some finding from the EU project CREEP.
European Journal of Environmental and Civil Engineering (EJECE).
volum 26 (7).
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 scientific article
-
Tistel, Joar;
Grimstad, Gustav;
Eiksund, Gudmund Reidar.
(2017)
Testing and modeling of cyclically loaded rock anchors.
Journal of Rock Mechanics and Geotechnical Engineering.
volum 9 (6).
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).
volum 26 (7).
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).
volum 53 (10).
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.
volum 11 (1).
Academic article
-
Degago, Samson Abate;
Grimstad, Gustav.
(2015)
Discussion of “Experimental investigation on the creep behavior of an unsaturated clay”.
Canadian geotechnical journal (Print).
volum 52 (2).
Short communication
-
Grimstad, Gustav.
(2015)
Bjørvika synker.
Byggeindustrien.
Popular scientific article
-
Grimstad, Gustav;
Degago, Samson Abate;
Boumezerane, Djamalddine.
(2015)
Discussion of “Viscous behaviour of clays in one-dimensional compression”.
Canadian geotechnical journal (Print).
volum 52.
Short communication
-
Grimstad, Gustav;
Haji Ashrafi, Mohammad Ali;
Kadivar, Mehdi.
(2015)
PROFILE: Creep of geomaterials.
PAN european networks science and technology.
Popular scientific 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.
volum 19 S.
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.
volum 45 (4).
Academic article
-
Bujulu, Pancras Mugishagwe Syldion;
Grimstad, Gustav.
(2012)
Constitutive Model for Cemented Quick Clay in Deep-Mix Stabilization.
Global Journal of Engineering Research.
volum 11 (1).
Academic article
-
Bujulu, Pancras Mugishagwe Syldion;
Grimstad, Gustav.
(2012)
Generalized constitutive model for stabilized quick clay.
Global Journal of Engineering Research.
volum 11 (2).
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).
volum 36 (4).
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.
volum LXI (10).
Academic article
-
Grimstad, Gustav;
Degago, Samson Abate;
Nordal, Steinar;
Karstunen, Minna.
(2010)
Modeling creep and rate effects in structured anisotropic soft clays.
Acta Geotechnica.
volum 5 (1).
Academic article
-
Thakur, Vikas Kumar Singh;
Nordal, Steinar;
Grimstad, Gustav.
(2006)
Phenomenological issues related to strain localization in sensitive clays.
Geotechnical and Geological Engineering.
volum 24.
Academic article
Part of book/report
-
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.
4th International Symposium on Frontiers in Offshore Geotechnics. Proceedings. (ISFOG).
Academic chapter/article/Conference paper
-
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.
Cold Regions Engineering 2019.
Academic chapter/article/Conference paper
-
Rødvand, Laura Anne;
Andresen, Lars;
Grimstad, Gustav.
(2019)
Case study of a road bridge hit by a landslide in highly sensitive clay.
Proceedings of the XVII ECSMGE 2019 : Geotechnical Engineering foundation of the future : European Conference on Soil Mechanics and Geotechnical Engineering.
Chapter
-
Bjerre, Jesper;
Rønningen, Jon Abusland;
Grimstad, Gustav;
Nordal, Steinar.
(2018)
Effective Stress based Model for Natural Soft Clays incorporating Restructuration.
Numerical Methods in Geotechnical Engineering IX: Proceedings of the 9th European Conference on Numerical Methods in Geotechnical Engineering (NUMGE 2018), June 25-27, 2018, Porto, Portugal.
Academic chapter/article/Conference paper
-
Cicchetti, Lorenzo;
Grimstad, Gustav;
Ghoreishian Amiri, Seyed Ali;
Ingeman-Nielsen, Thomas.
(2018)
Thermo-Hydro-Mechanical simulations of Artificial Ground Freezing.
AIC2018 Transportation infrastructure engineering in cold regions.
Academic chapter/article/Conference paper
-
Grimstad, Gustav;
Ghoreishian Amiri, Seyed Ali;
Watn, Arnstein;
Hoff, Inge.
(2018)
Frost protection in roads using insulation materials.
AIC2018 Transportation infrastructure engineering in cold regions.
Academic chapter/article/Conference paper
-
Grimstad, Gustav;
Rønningen, Jon Abusland;
Nordal, Steinar.
(2018)
Application of a generalized continuous Mohr–Coulomb criterion.
Numerical Methods in Geotechnical Engineering IX: Proceedings of the 9th European Conference on Numerical Methods in Geotechnical Engineering (NUMGE 2018), June 25-27, 2018, Porto, Portugal.
Academic chapter/article/Conference paper
-
Nordal, Steinar;
Grimstad, Gustav;
Jordbakke, Tormod;
Rabstad, Kristoffer;
Isachsen, Marit.
(2018)
On modelling of anisotropic undrained strength for non-horizontal terrain.
Numerical Methods in Geotechnical Engineering IX: Proceedings of the 9th European Conference on Numerical Methods in Geotechnical Engineering (NUMGE 2018), June 25-27, 2018, Porto, Portugal.
Academic chapter/article/Conference paper
-
Rønningen, Jon Abusland;
Grimstad, Gustav;
Nordal, Steinar.
(2018)
On the convexity of yield and potential surfaces in rotational hardening critical state models.
Numerical Methods in Geotechnical Engineering IX: Proceedings of the 9th European Conference on Numerical Methods in Geotechnical Engineering (NUMGE 2018), June 25-27, 2018, Porto, Portugal.
Academic chapter/article/Conference paper
-
Ghoreishian Amiri, Seyed Ali;
Grimstad, Gustav.
(2017)
Constitutive Model for Long-Term Behavior of Saturated Frozen Soil.
Poromechanics VI: Proceedings of the Sixth Biot Conference on Poromechanics.
Academic chapter/article/Conference paper
-
Rønningen, Jon A.;
Grimstad, Gustav;
Nordal, Steinar.
(2016)
Modelling soft Scandinavian clay behavior using the asymptotic state.
Proceedings of the 17th Nordic Geotechnical Meeting.
Academic chapter/article/Conference paper
-
Tistel, Joar;
Grimstad, Gustav.
(2016)
A macro model description of the non-linear anchor block foundation behavior.
Proceeding of the Sixth International Conference on Structural Engineering, Mechanics and Computation (SEMC 2016), Insights and Innovations in tructural Engineering, Mechanics and Computation.
Academic chapter/article/Conference paper
-
Boumezerane, Djamalddine;
Grimstad, Gustav.
(2015)
A Rheological Model for Peat That Accounts for Creep.
Proceedings of the 6th International Symposium on Deformation Characteristics of Geomaterials.
Academic chapter/article/Conference paper
-
Boumezerane, Djamalddine;
Grimstad, Gustav;
Makdisi, Andrew.
(2015)
A framework for peat behaviour based on hyperplasticity principles.
Proceedings of the International Conference on Creep and Deformation Characteristics in Geomaterials.
Academic chapter/article/Conference paper
-
Ghoreishian Amiri, Seyed Ali;
Kadivar, Mehdi;
Grimstad, Gustav.
(2015)
A Thermo-Hydro-Mechanical Constitutive Model for Saturated Frozen Soil.
Proceedings of the 6th International Symposium on Deformation Characteristics of Geomaterials.
Academic chapter/article/Conference paper
-
Ghoreishian Amiri, Seyed Ali;
Kadivar, Mehdi;
Grimstad, Gustav.
(2015)
A new concept in developing a constitutive model for frozen soils.
Proceedings of the International Conference on Creep and Deformation Characteristics in Geomaterials.
Academic chapter/article/Conference paper
-
Grimstad, Gustav;
Mehli, Magne;
Degago, Samson Abate.
(2015)
Creep in Clay During the First Few Years After Construction.
Proceedings of the 6th International Symposium on Deformation Characteristics of Geomaterials.
Academic chapter/article/Conference paper
-
Grimstad, Gustav;
Mehli, Magne;
Degago, Samson Abate.
(2015)
Is creep analysis creeping into practice?.
Proceedings of the International Conference on Creep and Deformation Characteristics in Geomaterials.
Academic chapter/article/Conference paper
-
Haji Ashrafi, Mohammad Ali;
Grimstad, Gustav.
(2015)
Implementation of a critical state soft soil creep model with shear stiffness.
Proceedings of the International Conference on Creep and Deformation Characteristics in Geomaterials.
Academic chapter/article/Conference paper
-
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.
Frontiers in Offshore Geotechnics III.
Academic chapter/article/Conference paper
-
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.
Numerical Methods in Geotechnical Engineering: Proceedings of the 8th European Conference on Numerical Methods in Geotechnical Engineering, Delft, The Netherlands, 18-20 June 2014.
Academic chapter/article/Conference paper
-
Degago, Samson;
Grimstad, Gustav.
(2014)
Significance of sample quality in settlement analysis of field cases.
Numerical Methods in Geotechnical Engineering: Proceedings of the 8th European Conference on Numerical Methods in Geotechnical Engineering, Delft, The Netherlands, 18-20 June 2014.
Academic chapter/article/Conference paper
-
Grimstad, Gustav;
Mehli, Magne;
Jostad, Hans Petter.
(2014)
Forskningstemaet: krypoppførsel av geomaterialer og innlemmelse i geoteknisk prosjektering.Hvordan best utføre krypmodellering?.
Fjellsprengningsdagen, Begmekanikkdagen, Geoteknikkdagen.
Academic chapter/article/Conference paper
-
Grimstad, Gustav;
Rønningen, Jon A.;
Nøst, Hilde Aas.
(2014)
Use of IWAN models for modelling anisotropic and cyclic behavior of clays.
Numerical Methods in Geotechnical Engineering: Proceedings of the 8th European Conference on Numerical Methods in Geotechnical Engineering, Delft, The Netherlands, 18-20 June 2014.
Academic chapter/article/Conference paper
-
Rønningen, Jon A.;
Gavel-Solberg, Vegard;
Grimstad, Gustav.
(2014)
Effective stress model for soft Scandinavian clays.
Proceedings of the 23rd European Young Geotechnical Engineers Conference.
Academic chapter/article/Conference paper
-
Degago, Samson Abate;
Grimstad, Gustav.
(2013)
Evaluation of creep hypotheses A and B based on relevant laboratory tests.
Proceedings of the 5th International Young Geotechnical Engineers' Conference.
Academic chapter/article/Conference paper
-
Degago, Samson;
Grimstad, Gustav;
Jostad, Hans Petter;
Nordal, Steinar.
(2013)
Misconceptions about experimental substantiation of creep hypothesis A.
Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering - Challenges and Innovations in Geotechnics.
Academic chapter/article/Conference paper
-
Degago, Samson;
Grimstad, Gustav;
Jostad, Hans Petter;
Nordal, Steinar.
(2013)
Misconceptions about experimental substantion of creep hypotheis A.
Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering - Challenges and Innovations in Geotechnics.
Academic chapter/article/Conference paper
-
Grimstad, Gustav;
Melhus, Ole;
Degago, Samson Abate;
Ebeltoft, Roger Guldvik.
(2013)
Modeling of rock fall impact using discrete element method (DEM.
Installation Effects in Geotechnical Engineering.
Academic chapter/article/Conference paper
-
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.
Fjellsprengningsdagen, Bergmekanikkdagen, Geoteknikkdagen.
Academic chapter/article/Conference paper
-
Grimstad, Gustav;
Jostad, Hans Petter.
(2012)
Stability analyses of quick clay using FEM and an anisotropic strain softening model with internal length scale.
NGM 2012. Proc of the 16th Nordic Geotechnical Meeting.
Academic chapter/article/Conference paper
-
Andresen, Lars;
Saygili, Gökhan;
Grimstad, Gustav.
(2011)
Finite element analysis of the Saint-Alban embankment failure with an anisotropic undrained strength model.
Proceedings of the 15th European Conference on Soil Mechanics and Geotechnical Engineering.
Academic chapter/article/Conference paper
-
Degago, Samson Abate;
Nordal, Steinar;
Grimstad, Gustav;
Jostad, Hans Petter.
(2011)
Analyses of Väsby test fill according to creep hypothesis A and B.
Proceedings of the 13th International Conference of the International Association for Computer Methods and Advances in Geomechanics.
Academic chapter/article/Conference paper
-
Grimstad, Gustav;
Jostad, Hans Petter.
(2011)
Effekt av progressive brudd i sensitive leirer.
Fjellsprengningsdagen, bergteknikk- og geoteknikkdagen 2011.
Academic chapter/article/Conference paper
-
Jostad, Hans Petter;
Grimstad, Gustav.
(2011)
Comparison of distribution functions for the non-local strain approach.
Computational geomechanics: COMGEO II: proceedings of the 2nd International symposium on computational geomechanics (COMGEO II), Cavtat-Dubrovnik, 27-29 April, 2011.
Academic chapter/article/Conference paper
-
Degago, Samson Abate;
Jostad, Hans Petter;
Olsson, Mats;
Grimstad, Gustav;
Nordal, Steinar.
(2010)
Time- and stress-compressibility of clays during primary consolidation.
NUMGE 2010, Numerical Methods in Geotechnical Engineering.
Academic chapter/article/Conference paper
-
Grimstad, Gustav;
Degago, Samson Abate.
(2010)
A non-associated creep model for structured anisotropic clay (n-SAC).
NUMGE 2010, Numerical Methods in Geotechnical Engineering.
Academic chapter/article/Conference paper
-
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.
Proc of the 17th International Conference on Soil Mechanics and Geotechnical Engineering.
Academic chapter/article/Conference paper
-
Bujulu, Pancras Mugishagwe Syldion;
Grimstad, Gustav;
Nordal, Steinar;
Grande, Lars Olav.
(2008)
An experimentally-based constitutive model for deep-mix stabilized quick clay.
Geotechnics of Soft Soils. Focus on Ground Improvement.
Academic chapter/article/Conference paper
-
Grimstad, Gustav;
Bujulu, Pancras Mugishagwe Syldion;
Nordal, Steinar.
(2008)
A generalized constitutive model for stabilized quick clay.
Nordisk Geoteknikermøte nr.15, Proceedings.
Academic chapter/article/Conference paper
-
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.
Nordisk Geoteknikermøte nr.15, Proceedings.
Academic chapter/article/Conference paper
-
Emdal, Arnfinn;
Priol, Gregoire;
Grimstad, Gustav;
Lohren, A.H..
(2007)
Numerical analysis of the effect of sleepers on the lateral displacement of railway track.
Numerical models in geomechanics, NUMOG X.
Academic chapter/article/Conference paper
-
Grimstad, Gustav;
Nordal, Steinar;
Athanasiu, Corneliu.
(2006)
A constitutive model for undrained anisotropic behaviour of clays.
Numerical Methods in Geotechnical Engineering.
Academic chapter/article/Conference paper
-
Grimstad, Gustav;
Thakur, Vikas Kumar Singh;
Nordal, Steinar.
(2005)
Experimental observation on formation and propagation of shear zone in Norwegian quick clay.
Landslides and Avalanches, ICFL 2005 Norway.
Academic chapter/article/Conference paper
Report
-
Fornes, Petter;
Grimstad, Gustav;
Jostad, Hans Petter.
(2014)
Effekt av progressiv bruddutvikling for utbygging i områder med kvikkleire: Tilbakeregning av Vestfossenskredet.
2014. ISBN 978-82-410-1008-8.
Report
-
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.
2014.
Report
-
Grimstad, Gustav;
Rønningen, Jon A.;
Benz, Thomas;
Jostad, Hans Petter;
Den Haan, Evert;
Qi, Jilin.
(2013)
User manual for the creep database.
2013.
Report
-
Grimstad, Gustav.
(2009)
Development of effective stress based anisotropic models for soft clays.
2009. ISBN 978-82-471-1732-3. Doktoravhandlinger ved NTNU (2009:169).
Doctoral dissertation
PRODUKT
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Grimstad, Gustav;
Rønningen, Jon A..
(2013)
Creep database.
NTNU. 2013.
Database
INFORMASJONSMATR
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Grimstad, Gustav.
(2013)
Creep of geomaterials webpage.
Website (informational material)
Teaching
Courses
- BA8304 - Soil Modelling
- TBA4116 - Geotechnical Engineering, Advanced Course
- TBA5150 - Geohazards and Risk
- BA8301 - Marine Geotechnical Engineering
- TBM4241 - Numerical and Analytical Methods in Geotechnics
- BA6064 - Geotechnical calculation methods
- BA6063 - Introduction to geotechnics
- TBM4540 - Geotechnics and Geohazards, Specialization Project
- TBM4342 - Geotechnical Engineering 2
- TBM4541 - Geotechnics and Geohazards, Specialization Project
Media
2022
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Academic 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 ; 2022-06-06 - 2022-08-06.
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Academic 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 ; 2022-06-06 - 2022-06-08.
2021
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Academic 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 ; On Web. 2021-01-18.
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Academic 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 . University of Alberta Geotechnical Centre; Virtual. 2021-11-06 - 2021-11-10.
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 ; 2020-08-31 - 2020-09-04.
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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 ; 2020-05-04 - 2020-05-08.
2019
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Academic 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 ; Seoul. 2019-09-17 - 2019-09-21.
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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 ; Trondheim. 2019-08-29 - 2019-08-30.
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 ; Vienna. 2018-08-13 - 2018-08-16.
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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 ; Oslo. 2018-11-09 - 2018-11-09.
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Academic lectureGrimstad, Gustav. (2018) On the constitutive modelling of clay soils. 3. Deutsche Bodenmechanik Tagung 2018 . Ruhr-Universität Bochum; Ruhr-Universität Bochum. 2018-05-29 - 2018-05-29.
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) ; Rotterdam. 2017-05-08 - 2017-05-11.
2016
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Academic lectureDegago, Samson Abate; Grimstad, Gustav. (2016) Evaluation of soil parameters for creep calculations of field cases. The 17th Nordic Geotechnical Meeting ; 2016-05-25 - 2016-05-28.
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PosterGhoreishian Amiri, Seyed Ali; Grimstad, Gustav. (2016) Elastic-ViscoPlastic Model for Saturated Frozen Soils. Alert Workshop . Alert Geomaterials; Assois. 2016-10-03 - 2016-10-05.
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PosterGhoreishian Amiri, Seyed Ali; Grimstad, Gustav. (2016) Elastic-ViscoPlastic Model for Saturated Frozen Soils. Norwegian chapter InterPore Kick-off Workshop . UiB; Bergen. 2016-09-23 - 2016-09-23.
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Academic lectureGrimstad, Gustav; Ghoreishian Amiri, Seyed Ali. (2016) Constitutive modeling of frozen soils. Norwegian chapter InterPore Kick-off Workshop . UiB; Bergen. 2016-09-23 - 2016-09-23.
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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 ; Potsdam. 2016-06-20 - 2016-06-24.
2015
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Academic lectureGrimstad, Gustav. (2015) Parameter selection for creep models. CREEP workshop . Norwegian Geotechnical Institute; Oslo. 2015-01-08 - 2015-01-08.
2014
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Academic lectureGrimstad, Gustav. (2014) GFT: CREEP of Geomatrials. GFT Årsmøte . GFT; Trondheim. 2014-01-29 - 2014-01-29.
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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 . Deltares; Delft. 2014-01-08 - 2014-01-09.
2012
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Academic lectureDegago, Samson; Grimstad, Gustav. (2012) Implication of sample quality in settlement analysis of field cases. Indian Geotechnical Conference (IGC) . Indian Geotechnical Society Delhi Chapter; New Delhi. 2012-12-13 - 2012-12-15.
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Academic lectureGrimstad, Gustav. (2012) Stability analyses of quick clay using FEM and an anisotropic strain softening model with internal length scale. 3rd GEO-INSTALL workshop . NGI; Oslo. 2012-06-07 - 2012-06-08.
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Academic lectureGrimstad, Gustav; Degago, Samson. (2012) Modeling of soft clay with focus on anisotropy and creep. Yngres dag . NGF; Trondheim. 2012-05-24.
2011
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Academic lectureGrimstad, Gustav. (2011) A non-associated creep model for structured anisotropic clay (n-SAC). 2nd GEO-INSTALL workshop ; Glasgow. 2011-05-31 - 2011-06-03.
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Academic lectureGrimstad, Gustav. (2011) NGI-ADP Anisotropic undrained shear strength model. PDC meeting, 2011 . PDC (http://www.plaxisdevelopment.org); Delft. 2011-02-22.
2010
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Academic 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 . HSTAM; Limassol. 2010-07-12 - 2010-07-14.
2007
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Academic lectureGrimstad, Gustav. (2007) STUDY OF THE FRICTION SLEEPER PERFORMANCE USING 3D FEM. 14th European PLAXIS users meeting . BAW; Karlsruhe. 2007-11-07 - 2007-11-09.
2006
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PosterThakur, Vikas Kumar Singh; Grimstad, Gustav; Nordal, Steinar. (2006) Instability in soft sensitive clays. 2006 ECI Conference on Geohazards . ECI (http://services.bepress.com/eci/geohazards/43); Lillehammer. 2006-06-18 - 2006-06-21.