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  1. Ansatte

Språkvelger

English

Gustav Grimstad

Last ned pressefoto
Last ned pressefoto
Foto:

Gustav Grimstad

Professor
Institutt for bygg- og miljøteknikk

gustav.grimstad@ntnu.no
73596870 41300948 Byggteknisk, Gløshaugen, Høgskoleringen 7a
Om Publikasjoner Undervisning Formidling

Om

Forskningsemner:

  • Ulike prosjekter vedrørende jordmodellering. Dette inkluderer:
    • Modellering og forståelse av kryp i bløt leire og andre aspekter ved jords oppførsel.
    • Utvikling og implementering av en rekke jordmodeller, inkludert NGI-ADP-modellen som nå er en del av et kommersielt endelig element-program (www.plaxis.nl).
  • Progressiv brudd i sensitiv leire. Dette inkluderer: 
    • Arbeide med implementering av en regulariseringsteknikk for modellering av sprøbruddmaterialoppførsel i endelig element-beregninger.
    • Tilbakeberegninger av skred som involverer kvikkleire.

Kompetanseord

  • Geomekanikk
  • Geoteknikk
  • Jordmodellering

Publikasjoner

  • Kronologisk
  • Etter kategori
  • Se alle publikasjoner i Cristin

2025

  • 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
    Vitenskapelig artikkel
  • Ghoreishian Amiri, Seyed Ali; Grimstad, Gustav; Dadras-Ajirlou, Davood. (2025) Integration of hyperplastic models in strain space. Géotechnique
    Vitenskapelig artikkel
  • 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)
    Vitenskapelig artikkel

2024

  • 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
    Vitenskapelig artikkel
  • Dadrasajirlou, Davood; Grimstad, Gustav; Ghoreishian Amiri, Seyed Ali; Degago, Samson Abate; Houlsby, G. T.. (2024) Modified cam clay bounding surface hyper-viscoplastic model. Géotechnique
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • Tran, Quoc Anh; Rogstad, Agnete; Depina, Ivan; Fernándes, Fabricio; Alene, Gebray Habtu; Grimstad, Gustav. (2024) 3D large deformation modeling of the 2020 Gjerdrum quick clay landslide. Canadian geotechnical journal (Print)
    Vitenskapelig artikkel

2023

  • Hov, Sølve; Paniagua Lopez, Ana Priscilla; Grimstad, Gustav; Pan, Yutao. (2023) Kan forsterkning av bløt grunn bli bærekraftig?. Byggeindustrien
    Kronikk
  • 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
    Vitenskapelig artikkel
  • Hov, Sølve; Paniagua Lopez, Ana Priscilla; Grimstad, Gustav; Pan, Yutao. (2023) Kan forsterkning av bløt grunn bli bærekraftig?. Forskersonen.no
    Kronikk
  • 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
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel

2022

  • 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
    Rapport
  • 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
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • 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)
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • Dadrasajirlou, Davood; Grimstad, Gustav; Ghoreishian Amiri, Seyed Ali. (2022) Hyper-Viscoplastic Modelling of Clay Behaviour. Norges teknisk-naturvitenskapelige universitet Doctoral theses at NTNU (1)
    Doktorgradsavhandling
  • Grimstad, Gustav; Nordal, Steinar; Solberg, Inger-Lise; Ottesen, Hanne Bratlie. (2022) Om kvikkleire og skredet den 30. desember 2020 i Gjerdrum. Naturen
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • Dadrasajirlou, Davood; Grimstad, Gustav; Ghoreishian Amiri, Seyed Ali. (2022) On the isotache viscous modelling of clay behaviour using the hyperplasticity approach. Géotechnique
    Vitenskapelig artikkel

2021

  • 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
    Vitenskapelig artikkel
  • Lyu, Chuangxin; Grimstad, Gustav; Nishimura, Satoshi. (2021) Pore pressure coefficient in frozen soils. Géotechnique
    Vitenskapelig artikkel
  • 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)
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • 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)
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel

2020

  • Hoogstraten, Sara C. van; Hermans, Sebastiaan J.; Versteijlen, Willem G.; Page, Ana M. ; Grimstad, Gustav; Pisanò, Federico. (2020) The Macro-Element Method for Offshore Wind Turbines Exposed to Extreme Loads in the Asia-Pacific Region. Deep Foundations Institute (DFI)
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tistel, Joar; Grimstad, Gustav; Eiksund, Gudmund Reidar. (2020) A macro model for shallow foundations on granular soils describing non-linear foundation behavior. Computers & structures
    Vitenskapelig artikkel
  • Grimstad, Gustav; Paniagua Lopez, Ana Priscilla; De Weerdt, Klaartje. (2020) På vegen mot karbonnegativ stabil grunn. Byggeindustrien
    Populærvitenskapelig artikkel
  • Grimstad, Gustav; Dadrasajirlou, Davood; Ghoreishian Amiri, Seyed Ali. (2020) Modelling creep in clay using the framework of hyper-viscoplasticity. Géotechnique Letters
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel

2019

  • 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
    Vitenskapelig oversiktsartikkel/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
    Vitenskapelig artikkel
  • 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. American Society of Civil Engineers (ASCE)
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Rødvand, Laura Anne; Andresen, Lars; Grimstad, Gustav. (2019) Case study of a road bridge hit by a landslide in highly sensitive clay.
    Faglig kapittel

2018

  • Grimstad, Gustav; Rønningen, Jon Abusland; Nordal, Steinar. (2018) Application of a generalized continuous Mohr–Coulomb criterion. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Bjerre, Jesper; Rønningen, Jon Abusland; Grimstad, Gustav; Nordal, Steinar. (2018) Effective Stress based Model for Natural Soft Clays incorporating Restructuration. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Nordal, Steinar; Grimstad, Gustav; Jordbakke, Tormod; Rabstad, Kristoffer; Isachsen, Marit. (2018) On modelling of anisotropic undrained strength for non-horizontal terrain. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • 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
    Vitenskapelig artikkel
  • Rønningen, Jon Abusland; Grimstad, Gustav; Nordal, Steinar. (2018) On the convexity of yield and potential surfaces in rotational hardening critical state models. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • 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
    Vitenskapelig artikkel
  • Cicchetti, Lorenzo; Grimstad, Gustav; Ghoreishian Amiri, Seyed Ali; Ingeman-Nielsen, Thomas. (2018) Thermo-Hydro-Mechanical simulations of Artificial Ground Freezing. Danmarks Tekniske Universitet, DTU
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Grimstad, Gustav; Ghoreishian Amiri, Seyed Ali; Watn, Arnstein; Hoff, Inge. (2018) Frost protection in roads using insulation materials. Danmarks Tekniske Universitet, DTU
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2017

  • Rostami, Hooman; Ghoreishian Amiri, Seyed Ali; Grimstad, Gustav. (2017) Back analysis of Caen’s test by the recently developed frozen/unfrozen soil. Plaxis Bulletin
    Populærvitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • Ghoreishian Amiri, Seyed Ali; Grimstad, Gustav. (2017) Constitutive Model for Long-Term Behavior of Saturated Frozen Soil. American Society of Civil Engineers (ASCE)
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Grimstad, Gustav; Karstunen, Minna; Jostad, Hans Petter; Sivasithamparam, Nallathamby; Mehli, Magne; Zwanenburg, Cor. (2017) Creep of geomaterials – some finding from the EU project CREEP. European Journal of Environmental and Civil Engineering (EJECE)
    Vitenskapelig artikkel
  • Tistel, Joar; Grimstad, Gustav; Eiksund, Gudmund Reidar. (2017) Testing and modeling of cyclically loaded rock anchors. Journal of Rock Mechanics and Geotechnical Engineering
    Vitenskapelig artikkel

2016

  • Ghoreishian Amiri, Seyed Ali; Kadivar, Mehdi; Grimstad, Gustav. (2016) Enhanced permafrost creep model– user manual and documentation. PIAG_GA_2011‐286397‐R6
    Rapport
  • 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)
    Vitenskapelig artikkel
  • Tistel, Joar; Grimstad, Gustav. (2016) A macro model description of the non-linear anchor block foundation behavior. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • 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)
    Vitenskapelig artikkel
  • Rønningen, Jon A.; Grimstad, Gustav; Nordal, Steinar. (2016) Modelling soft Scandinavian clay behavior using the asymptotic state.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • 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
    Vitenskapelig artikkel

2015

  • Grimstad, Gustav; Degago, Samson Abate; Boumezerane, Djamalddine. (2015) Discussion of “Viscous behaviour of clays in one-dimensional compression”. Canadian geotechnical journal (Print)
    Short communication
  • Degago, Samson Abate; Grimstad, Gustav. (2015) Discussion of “Experimental investigation on the creep behavior of an unsaturated clay”. Canadian geotechnical journal (Print)
    Short communication
  • Boumezerane, Djamalddine; Grimstad, Gustav. (2015) A Rheological Model for Peat That Accounts for Creep. IOS Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Grimstad, Gustav; Mehli, Magne; Degago, Samson Abate. (2015) Creep in Clay During the First Few Years After Construction. IOS Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Ghoreishian Amiri, Seyed Ali; Kadivar, Mehdi; Grimstad, Gustav. (2015) A Thermo-Hydro-Mechanical Constitutive Model for Saturated Frozen Soil. IOS Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Grimstad, Gustav; Haji Ashrafi, Mohammad Ali; Kadivar, Mehdi. (2015) PROFILE: Creep of geomaterials. PAN european networks science and technology
    Populærvitenskapelig artikkel
  • Grimstad, Gustav. (2015) Bjørvika synker. Byggeindustrien
    Populærvitenskapelig artikkel
  • Haji Ashrafi, Mohammad Ali; Grimstad, Gustav. (2015) Implementation of a critical state soft soil creep model with shear stiffness.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Boumezerane, Djamalddine; Grimstad, Gustav; Makdisi, Andrew. (2015) A framework for peat behaviour based on hyperplasticity principles.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Grimstad, Gustav; Mehli, Magne; Degago, Samson Abate. (2015) Is creep analysis creeping into practice?.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Ghoreishian Amiri, Seyed Ali; Kadivar, Mehdi; Grimstad, Gustav. (2015) A new concept in developing a constitutive model for frozen soils.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • 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. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2014

  • Grimstad, Gustav; Rønningen, Jon A.; Nøst, Hilde Aas. (2014) Use of IWAN models for modelling anisotropic and cyclic behavior of clays. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Degago, Samson; Grimstad, Gustav. (2014) Significance of sample quality in settlement analysis of field cases. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Bonadies, F.; Nordal, Steinar; Gylland, Anders Samstad; Grimstad, Gustav; Jostad, Hans Petter; Cuomo, S.. (2014) Numerical methods for simulation of downward progressive landslides. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • 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
    Vitenskapelig artikkel
  • Grimstad, Gustav; Mehli, Magne; Jostad, Hans Petter. (2014) Forskningstemaet: krypoppførsel av geomaterialer og innlemmelse i geoteknisk prosjektering.Hvordan best utføre krypmodellering?.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Rønningen, Jon A.; Gavel-Solberg, Vegard; Grimstad, Gustav. (2014) Effective stress model for soft Scandinavian clays. Universitat Politècnica de Catalunya
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • 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
    Vitenskapelig artikkel
  • 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 i et samarbeid med Statens vegvesen og
    Rapport
  • 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 i et samarbeid med Statens vegvesen og
    Rapport

2013

  • Grimstad, Gustav; Rønningen, Jon A.. (2013) Creep database.
    Database
  • Grimstad, Gustav; Rønningen, Jon A.; Benz, Thomas; Jostad, Hans Petter; Den Haan, Evert; Qi, Jilin. (2013) User manual for the creep database. NTNU
    Rapport
  • Grimstad, Gustav. (2013) Creep of geomaterials webpage.
    Nettsider (opplysningsmateriale)
  • Grimstad, Gustav; Melhus, Ole; Degago, Samson Abate; Ebeltoft, Roger Guldvik. (2013) Modeling of rock fall impact using discrete element method (DEM. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Degago, Samson; Grimstad, Gustav; Jostad, Hans Petter; Nordal, Steinar. (2013) Misconceptions about experimental substantiation of creep hypothesis A. Presses des Ponts
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Degago, Samson; Grimstad, Gustav; Jostad, Hans Petter; Nordal, Steinar. (2013) Misconceptions about experimental substantion of creep hypotheis A. Presses des Ponts
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Degago, Samson Abate; Grimstad, Gustav. (2013) Evaluation of creep hypotheses A and B based on relevant laboratory tests. IOS Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • 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.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2012

  • 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)
    Vitenskapelig artikkel
  • Bujulu, Pancras Mugishagwe Syldion; Grimstad, Gustav. (2012) Generalized constitutive model for stabilized quick clay. Global Journal of Engineering Research
    Vitenskapelig artikkel
  • Grimstad, Gustav; Jostad, Hans Petter. (2012) Stability analyses of quick clay using FEM and an anisotropic strain softening model with internal length scale.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Bujulu, Pancras Mugishagwe Syldion; Grimstad, Gustav. (2012) Constitutive Model for Cemented Quick Clay in Deep-Mix Stabilization. Global Journal of Engineering Research
    Vitenskapelig artikkel

2011

  • Grimstad, Gustav; Jostad, Hans Petter. (2011) Effekt av progressive brudd i sensitive leirer.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Andresen, Lars; Saygili, Gökhan; Grimstad, Gustav. (2011) Finite element analysis of the Saint-Alban embankment failure with an anisotropic undrained strength model. IOS Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • 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
    Vitenskapelig artikkel
  • Degago, Samson Abate; Nordal, Steinar; Grimstad, Gustav; Jostad, Hans Petter. (2011) Analyses of Väsby test fill according to creep hypothesis A and B.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Jostad, Hans Petter; Grimstad, Gustav. (2011) Comparison of distribution functions for the non-local strain approach.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2010

  • Grimstad, Gustav; Degago, Samson Abate; Nordal, Steinar; Karstunen, Minna. (2010) Modeling creep and rate effects in structured anisotropic soft clays. Acta Geotechnica
    Vitenskapelig artikkel
  • Grimstad, Gustav; Degago, Samson Abate. (2010) A non-associated creep model for structured anisotropic clay (n-SAC). CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Degago, Samson Abate; Jostad, Hans Petter; Olsson, Mats; Grimstad, Gustav; Nordal, Steinar. (2010) Time- and stress-compressibility of clays during primary consolidation. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2009

  • Grimstad, Gustav. (2009) Development of effective stress based anisotropic models for soft clays. Doktoravhandlinger ved NTNU (2009:169)
    Doktorgradsavhandling
  • 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. IOS Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

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.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Grimstad, Gustav; Bujulu, Pancras Mugishagwe Syldion; Nordal, Steinar. (2008) A generalized constitutive model for stabilized quick clay.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Bujulu, Pancras Mugishagwe Syldion; Grimstad, Gustav; Nordal, Steinar; Grande, Lars Olav. (2008) An experimentally-based constitutive model for deep-mix stabilized quick clay. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

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. Balkema
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2006

  • Thakur, Vikas Kumar Singh; Nordal, Steinar; Grimstad, Gustav. (2006) Phenomenological issues related to strain localization in sensitive clays. Geotechnical and Geological Engineering
    Vitenskapelig artikkel
  • Grimstad, Gustav; Nordal, Steinar; Athanasiu, Corneliu. (2006) A constitutive model for undrained anisotropic behaviour of clays. Balkema
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2005

  • Grimstad, Gustav; Thakur, Vikas Kumar Singh; Nordal, Steinar. (2005) Experimental observation on formation and propagation of shear zone in Norwegian quick clay. Balkema
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

Tidsskriftspublikasjoner

  • 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
    Vitenskapelig artikkel
  • Ghoreishian Amiri, Seyed Ali; Grimstad, Gustav; Dadras-Ajirlou, Davood. (2025) Integration of hyperplastic models in strain space. Géotechnique
    Vitenskapelig artikkel
  • 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)
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • Dadrasajirlou, Davood; Grimstad, Gustav; Ghoreishian Amiri, Seyed Ali; Degago, Samson Abate; Houlsby, G. T.. (2024) Modified cam clay bounding surface hyper-viscoplastic model. Géotechnique
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • Tran, Quoc Anh; Rogstad, Agnete; Depina, Ivan; Fernándes, Fabricio; Alene, Gebray Habtu; Grimstad, Gustav. (2024) 3D large deformation modeling of the 2020 Gjerdrum quick clay landslide. Canadian geotechnical journal (Print)
    Vitenskapelig artikkel
  • Hov, Sølve; Paniagua Lopez, Ana Priscilla; Grimstad, Gustav; Pan, Yutao. (2023) Kan forsterkning av bløt grunn bli bærekraftig?. Byggeindustrien
    Kronikk
  • 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
    Vitenskapelig artikkel
  • Hov, Sølve; Paniagua Lopez, Ana Priscilla; Grimstad, Gustav; Pan, Yutao. (2023) Kan forsterkning av bløt grunn bli bærekraftig?. Forskersonen.no
    Kronikk
  • 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
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • 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)
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • Grimstad, Gustav; Nordal, Steinar; Solberg, Inger-Lise; Ottesen, Hanne Bratlie. (2022) Om kvikkleire og skredet den 30. desember 2020 i Gjerdrum. Naturen
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • Dadrasajirlou, Davood; Grimstad, Gustav; Ghoreishian Amiri, Seyed Ali. (2022) On the isotache viscous modelling of clay behaviour using the hyperplasticity approach. Géotechnique
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • Lyu, Chuangxin; Grimstad, Gustav; Nishimura, Satoshi. (2021) Pore pressure coefficient in frozen soils. Géotechnique
    Vitenskapelig artikkel
  • 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)
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • 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)
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • Tistel, Joar; Grimstad, Gustav; Eiksund, Gudmund Reidar. (2020) A macro model for shallow foundations on granular soils describing non-linear foundation behavior. Computers & structures
    Vitenskapelig artikkel
  • Grimstad, Gustav; Paniagua Lopez, Ana Priscilla; De Weerdt, Klaartje. (2020) På vegen mot karbonnegativ stabil grunn. Byggeindustrien
    Populærvitenskapelig artikkel
  • Grimstad, Gustav; Dadrasajirlou, Davood; Ghoreishian Amiri, Seyed Ali. (2020) Modelling creep in clay using the framework of hyper-viscoplasticity. Géotechnique Letters
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • 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
    Vitenskapelig oversiktsartikkel/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
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • Rostami, Hooman; Ghoreishian Amiri, Seyed Ali; Grimstad, Gustav. (2017) Back analysis of Caen’s test by the recently developed frozen/unfrozen soil. Plaxis Bulletin
    Populærvitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • Grimstad, Gustav; Karstunen, Minna; Jostad, Hans Petter; Sivasithamparam, Nallathamby; Mehli, Magne; Zwanenburg, Cor. (2017) Creep of geomaterials – some finding from the EU project CREEP. European Journal of Environmental and Civil Engineering (EJECE)
    Vitenskapelig artikkel
  • Tistel, Joar; Grimstad, Gustav; Eiksund, Gudmund Reidar. (2017) Testing and modeling of cyclically loaded rock anchors. Journal of Rock Mechanics and Geotechnical Engineering
    Vitenskapelig artikkel
  • 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)
    Vitenskapelig artikkel
  • 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)
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • Grimstad, Gustav; Degago, Samson Abate; Boumezerane, Djamalddine. (2015) Discussion of “Viscous behaviour of clays in one-dimensional compression”. Canadian geotechnical journal (Print)
    Short communication
  • Degago, Samson Abate; Grimstad, Gustav. (2015) Discussion of “Experimental investigation on the creep behavior of an unsaturated clay”. Canadian geotechnical journal (Print)
    Short communication
  • Grimstad, Gustav; Haji Ashrafi, Mohammad Ali; Kadivar, Mehdi. (2015) PROFILE: Creep of geomaterials. PAN european networks science and technology
    Populærvitenskapelig artikkel
  • Grimstad, Gustav. (2015) Bjørvika synker. Byggeindustrien
    Populærvitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • 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)
    Vitenskapelig artikkel
  • Bujulu, Pancras Mugishagwe Syldion; Grimstad, Gustav. (2012) Generalized constitutive model for stabilized quick clay. Global Journal of Engineering Research
    Vitenskapelig artikkel
  • Bujulu, Pancras Mugishagwe Syldion; Grimstad, Gustav. (2012) Constitutive Model for Cemented Quick Clay in Deep-Mix Stabilization. Global Journal of Engineering Research
    Vitenskapelig artikkel
  • 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
    Vitenskapelig artikkel
  • Grimstad, Gustav; Degago, Samson Abate; Nordal, Steinar; Karstunen, Minna. (2010) Modeling creep and rate effects in structured anisotropic soft clays. Acta Geotechnica
    Vitenskapelig artikkel
  • Thakur, Vikas Kumar Singh; Nordal, Steinar; Grimstad, Gustav. (2006) Phenomenological issues related to strain localization in sensitive clays. Geotechnical and Geological Engineering
    Vitenskapelig artikkel

Del av bok/rapport

  • Hoogstraten, Sara C. van; Hermans, Sebastiaan J.; Versteijlen, Willem G.; Page, Ana M. ; Grimstad, Gustav; Pisanò, Federico. (2020) The Macro-Element Method for Offshore Wind Turbines Exposed to Extreme Loads in the Asia-Pacific Region. Deep Foundations Institute (DFI)
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • 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. American Society of Civil Engineers (ASCE)
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Rødvand, Laura Anne; Andresen, Lars; Grimstad, Gustav. (2019) Case study of a road bridge hit by a landslide in highly sensitive clay.
    Faglig kapittel
  • Grimstad, Gustav; Rønningen, Jon Abusland; Nordal, Steinar. (2018) Application of a generalized continuous Mohr–Coulomb criterion. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Bjerre, Jesper; Rønningen, Jon Abusland; Grimstad, Gustav; Nordal, Steinar. (2018) Effective Stress based Model for Natural Soft Clays incorporating Restructuration. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Nordal, Steinar; Grimstad, Gustav; Jordbakke, Tormod; Rabstad, Kristoffer; Isachsen, Marit. (2018) On modelling of anisotropic undrained strength for non-horizontal terrain. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Rønningen, Jon Abusland; Grimstad, Gustav; Nordal, Steinar. (2018) On the convexity of yield and potential surfaces in rotational hardening critical state models. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Cicchetti, Lorenzo; Grimstad, Gustav; Ghoreishian Amiri, Seyed Ali; Ingeman-Nielsen, Thomas. (2018) Thermo-Hydro-Mechanical simulations of Artificial Ground Freezing. Danmarks Tekniske Universitet, DTU
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Grimstad, Gustav; Ghoreishian Amiri, Seyed Ali; Watn, Arnstein; Hoff, Inge. (2018) Frost protection in roads using insulation materials. Danmarks Tekniske Universitet, DTU
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Ghoreishian Amiri, Seyed Ali; Grimstad, Gustav. (2017) Constitutive Model for Long-Term Behavior of Saturated Frozen Soil. American Society of Civil Engineers (ASCE)
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tistel, Joar; Grimstad, Gustav. (2016) A macro model description of the non-linear anchor block foundation behavior. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Rønningen, Jon A.; Grimstad, Gustav; Nordal, Steinar. (2016) Modelling soft Scandinavian clay behavior using the asymptotic state.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Boumezerane, Djamalddine; Grimstad, Gustav. (2015) A Rheological Model for Peat That Accounts for Creep. IOS Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Grimstad, Gustav; Mehli, Magne; Degago, Samson Abate. (2015) Creep in Clay During the First Few Years After Construction. IOS Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Ghoreishian Amiri, Seyed Ali; Kadivar, Mehdi; Grimstad, Gustav. (2015) A Thermo-Hydro-Mechanical Constitutive Model for Saturated Frozen Soil. IOS Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Haji Ashrafi, Mohammad Ali; Grimstad, Gustav. (2015) Implementation of a critical state soft soil creep model with shear stiffness.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Boumezerane, Djamalddine; Grimstad, Gustav; Makdisi, Andrew. (2015) A framework for peat behaviour based on hyperplasticity principles.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Grimstad, Gustav; Mehli, Magne; Degago, Samson Abate. (2015) Is creep analysis creeping into practice?.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Ghoreishian Amiri, Seyed Ali; Kadivar, Mehdi; Grimstad, Gustav. (2015) A new concept in developing a constitutive model for frozen soils.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • 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. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Grimstad, Gustav; Rønningen, Jon A.; Nøst, Hilde Aas. (2014) Use of IWAN models for modelling anisotropic and cyclic behavior of clays. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Degago, Samson; Grimstad, Gustav. (2014) Significance of sample quality in settlement analysis of field cases. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Bonadies, F.; Nordal, Steinar; Gylland, Anders Samstad; Grimstad, Gustav; Jostad, Hans Petter; Cuomo, S.. (2014) Numerical methods for simulation of downward progressive landslides. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Grimstad, Gustav; Mehli, Magne; Jostad, Hans Petter. (2014) Forskningstemaet: krypoppførsel av geomaterialer og innlemmelse i geoteknisk prosjektering.Hvordan best utføre krypmodellering?.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Rønningen, Jon A.; Gavel-Solberg, Vegard; Grimstad, Gustav. (2014) Effective stress model for soft Scandinavian clays. Universitat Politècnica de Catalunya
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Grimstad, Gustav; Melhus, Ole; Degago, Samson Abate; Ebeltoft, Roger Guldvik. (2013) Modeling of rock fall impact using discrete element method (DEM. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Degago, Samson; Grimstad, Gustav; Jostad, Hans Petter; Nordal, Steinar. (2013) Misconceptions about experimental substantiation of creep hypothesis A. Presses des Ponts
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Degago, Samson; Grimstad, Gustav; Jostad, Hans Petter; Nordal, Steinar. (2013) Misconceptions about experimental substantion of creep hypotheis A. Presses des Ponts
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Degago, Samson Abate; Grimstad, Gustav. (2013) Evaluation of creep hypotheses A and B based on relevant laboratory tests. IOS Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • 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.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Grimstad, Gustav; Jostad, Hans Petter. (2012) Stability analyses of quick clay using FEM and an anisotropic strain softening model with internal length scale.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Grimstad, Gustav; Jostad, Hans Petter. (2011) Effekt av progressive brudd i sensitive leirer.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Andresen, Lars; Saygili, Gökhan; Grimstad, Gustav. (2011) Finite element analysis of the Saint-Alban embankment failure with an anisotropic undrained strength model. IOS Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Degago, Samson Abate; Nordal, Steinar; Grimstad, Gustav; Jostad, Hans Petter. (2011) Analyses of Väsby test fill according to creep hypothesis A and B.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Jostad, Hans Petter; Grimstad, Gustav. (2011) Comparison of distribution functions for the non-local strain approach.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Grimstad, Gustav; Degago, Samson Abate. (2010) A non-associated creep model for structured anisotropic clay (n-SAC). CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Degago, Samson Abate; Jostad, Hans Petter; Olsson, Mats; Grimstad, Gustav; Nordal, Steinar. (2010) Time- and stress-compressibility of clays during primary consolidation. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • 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. IOS Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • 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.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Grimstad, Gustav; Bujulu, Pancras Mugishagwe Syldion; Nordal, Steinar. (2008) A generalized constitutive model for stabilized quick clay.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Bujulu, Pancras Mugishagwe Syldion; Grimstad, Gustav; Nordal, Steinar; Grande, Lars Olav. (2008) An experimentally-based constitutive model for deep-mix stabilized quick clay. CRC Press
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Emdal, Arnfinn; Priol, Gregoire; Grimstad, Gustav; Lohren, A.H.. (2007) Numerical analysis of the effect of sleepers on the lateral displacement of railway track. Balkema
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Grimstad, Gustav; Nordal, Steinar; Athanasiu, Corneliu. (2006) A constitutive model for undrained anisotropic behaviour of clays. Balkema
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Grimstad, Gustav; Thakur, Vikas Kumar Singh; Nordal, Steinar. (2005) Experimental observation on formation and propagation of shear zone in Norwegian quick clay. Balkema
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

Rapport

  • 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
    Rapport
  • Dadrasajirlou, Davood; Grimstad, Gustav; Ghoreishian Amiri, Seyed Ali. (2022) Hyper-Viscoplastic Modelling of Clay Behaviour. Norges teknisk-naturvitenskapelige universitet Doctoral theses at NTNU (1)
    Doktorgradsavhandling
  • Ghoreishian Amiri, Seyed Ali; Kadivar, Mehdi; Grimstad, Gustav. (2016) Enhanced permafrost creep model– user manual and documentation. PIAG_GA_2011‐286397‐R6
    Rapport
  • 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 i et samarbeid med Statens vegvesen og
    Rapport
  • 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 i et samarbeid med Statens vegvesen og
    Rapport
  • Grimstad, Gustav; Rønningen, Jon A.; Benz, Thomas; Jostad, Hans Petter; Den Haan, Evert; Qi, Jilin. (2013) User manual for the creep database. NTNU
    Rapport
  • Grimstad, Gustav. (2009) Development of effective stress based anisotropic models for soft clays. Doktoravhandlinger ved NTNU (2009:169)
    Doktorgradsavhandling

Produkt

  • Grimstad, Gustav; Rønningen, Jon A.. (2013) Creep database.
    Database

Informasjonsmateriell

  • Grimstad, Gustav. (2013) Creep of geomaterials webpage.
    Nettsider (opplysningsmateriale)

Undervisning

Emner

  • BA8304 - Jordmodellering
  • TBA4116 - Geoteknikk, videregående kurs
  • TBM4241 - Numeriske og analytiske metoder i geoteknikk
  • BA6064 - Geoteknikk - Beregningsmetoder
  • BA6063 - Geoteknikk - Introduksjon
  • TBM4540 - Geotechnics and Geohazards, fordypningsprosjekt
  • TBM4342 - Geoteknikk 2
  • TBM4541 - Geotechnics and Geohazards, fordypningsprosjekt
  • BM6400 - Jordmodellering

Formidling

2024

  • Vitenskapelig foredrag
    Grimstad, Gustav; Watn, Arnstein; Degago, Samson Abate; Dadrasajirlou, Davood; Haugen, Ellen Davis; Dolva, Bjørn Kristoffer. (2024) FORSKNINGSPROJEKT SAUNA - STABILITET AV NATURLIGE SKRÅNINGER I KVIKKLEIRE - CASE TOFTE, HALSNØY. Norsk geoteknisk forening Geoteknikkdagen 2024 , Oslo 2024-11-01 - 2024-11-01
  • Vitenskapelig foredrag
    Grimstad, Gustav; Degago, Samson Abate; Dadrasajirlou, Davood; Watn, Arnstein; Haugen, Ellen Davis; Brattlien, Kjetil. (2024) STABILITY OF NATURAL SLOPES - ROBUSTNESS AND SAFETY. Swedish geotechnical society 19th Nordic Geotechnical Meeting , Gothenburg 2024-09-18 - 2024-09-20

2023

  • Vitenskapelig foredrag
    Ghoreishian Amiri, Seyed Ali; Dadrasajirlou, Davood; Grimstad, Gustav. (2023) Direct integration method for hyperplastic models. 10th European Conference on Numerical Methods in Geotechnical Engineering , Imperial College London 2023-06-26 - 2023-06-28

2022

  • Vitenskapelig foredrag
    Tran, 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
  • Vitenskapelig foredrag
    Tran, 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

2021

  • Vitenskapelig foredrag
    Torgersrud, Øyvind; Mohus, Oda; Eikebrokk, Anna; Grimstad, Gustav; Jostad, Hans Petter. (2021) Critical state line from level set discrete element method. University of Alberta Geotechnical Centre Tailings and Mine Waste 2021 , Virtual 2021-11-06 - 2021-11-10
  • Vitenskapelig foredrag
    Aamodt, 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 -

2020

  • Faglig foredrag
    Lyu, 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
  • Faglig foredrag
    Kjelstrup, 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

2019

  • Vitenskapelig foredrag
    Degago, 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
  • Faglig foredrag
    Ghoreishian 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

  • Vitenskapelig foredrag
    Grimstad, Gustav. (2018) On the constitutive modelling of clay soils. Ruhr-Universität Bochum 3. Deutsche Bodenmechanik Tagung 2018 , Ruhr-Universität Bochum 2018-05-29 - 2018-05-29
  • Faglig foredrag
    Ghoreishian 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
  • Faglig foredrag
    Ghoreishian 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

2017

  • Faglig foredrag
    Ghoreishian 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

  • Vitenskapelig foredrag
    Degago, 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
  • Poster
    Ghoreishian Amiri, Seyed Ali; Grimstad, Gustav. (2016) Elastic-ViscoPlastic Model for Saturated Frozen Soils. Alert Geomaterials Alert Workshop , Assois 2016-10-03 - 2016-10-05
  • Poster
    Ghoreishian Amiri, Seyed Ali; Grimstad, Gustav. (2016) Elastic-ViscoPlastic Model for Saturated Frozen Soils. UiB Norwegian chapter InterPore Kick-off Workshop , Bergen 2016-09-23 - 2016-09-23
  • Vitenskapelig foredrag
    Grimstad, Gustav; Ghoreishian Amiri, Seyed Ali. (2016) Constitutive modeling of frozen soils. UiB Norwegian chapter InterPore Kick-off Workshop , Bergen 2016-09-23 - 2016-09-23
  • Poster
    Kadivar, 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

  • Vitenskapelig foredrag
    Grimstad, Gustav. (2015) Parameter selection for creep models. Norwegian Geotechnical Institute CREEP workshop , Oslo 2015-01-08 - 2015-01-08

2014

  • Vitenskapelig foredrag
    Grimstad, Gustav. (2014) GFT: CREEP of Geomatrials. GFT GFT Årsmøte , Trondheim 2014-01-29 - 2014-01-29
  • Faglig foredrag
    Grimstad, 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. Deltares CREBS IV , Delft 2014-01-08 - 2014-01-09

2012

  • Vitenskapelig foredrag
    Degago, Samson; Grimstad, Gustav. (2012) Implication of sample quality in settlement analysis of field cases. Indian Geotechnical Society Delhi Chapter Indian Geotechnical Conference (IGC) , New Delhi 2012-12-13 - 2012-12-15
  • Vitenskapelig foredrag
    Grimstad, Gustav; Degago, Samson. (2012) Modeling of soft clay with focus on anisotropy and creep. NGF Yngres dag , Trondheim 2012-05-24 -
  • Vitenskapelig foredrag
    Grimstad, Gustav. (2012) Stability analyses of quick clay using FEM and an anisotropic strain softening model with internal length scale. NGI 3rd GEO-INSTALL workshop , Oslo 2012-06-07 - 2012-06-08

2011

  • Vitenskapelig foredrag
    Grimstad, Gustav. (2011) NGI-ADP Anisotropic undrained shear strength model. PDC (http://www.plaxisdevelopment.org) PDC meeting, 2011 , Delft 2011-02-22 -
  • Vitenskapelig foredrag
    Grimstad, Gustav. (2011) A non-associated creep model for structured anisotropic clay (n-SAC). 2nd GEO-INSTALL workshop , Glasgow 2011-05-31 - 2011-06-03

2010

  • Vitenskapelig foredrag
    Grimstad, Gustav; Jostad, Hans Petter; Andresen, Lars. (2010) Undrained capacity analyses of sensitive clays using the non-local strain approach. HSTAM 9th HSTAM International Congress on Mechanics, VARDOULAKIS MINI-SYMPOSIA , Limassol 2010-07-12 - 2010-07-14

2007

  • Vitenskapelig foredrag
    Grimstad, Gustav. (2007) STUDY OF THE FRICTION SLEEPER PERFORMANCE USING 3D FEM. BAW 14th European PLAXIS users meeting , Karlsruhe 2007-11-07 - 2007-11-09

2006

  • Poster
    Thakur, Vikas Kumar Singh; Grimstad, Gustav; Nordal, Steinar. (2006) Instability in soft sensitive clays. ECI (http://services.bepress.com/eci/geohazards/43) 2006 ECI Conference on Geohazards , Lillehammer 2006-06-18 - 2006-06-21

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