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2018
1 Bjerre, Jesper; Rønningen, Jon Abusland; Grimstad, Gustav; Nordal, Steinar.
Effective Stress based Model for Natural Soft Clays incorporating Restructuration. I: 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. CRC Press 2018 ISBN 9781138544468. s. 179-186
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2 Ghoreishian Amiri, Seyed Ali; Grimstad, Gustav; Kadivar, Mehdi.
An elastic-viscoplastic model for saturated frozen soils. European Journal of Environmental and Civil Engineering 2018
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3 Grimstad, Gustav.
On the constitutive modelling of clay soils. 3. Deutsche Bodenmechanik Tagung 2018; 2018-05-29 - 2018-05-29
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4 Grimstad, Gustav; Ghoreishian Amiri, Seyed Ali; Watn, Arnstein; Hoff, Inge.
Frost protection in roads using insulation materials. AIC 2018 – Transportation Engineering Infrastructure in Cold Regions; 2018-05-01 - 2018-05-03
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5 Grimstad, Gustav; Rønningen, Jon Abusland; Nordal, Steinar.
Application of a generalized continuous Mohr–Coulomb criterion. I: 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. CRC Press 2018 ISBN 9781138544468. s. 77-86
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6 Nordal, Steinar; Grimstad, Gustav; Jordbakke, Tormod; Rabstad, Kristoffer; Isachsen, Marit.
On modelling of anisotropic undrained strength for non-horizontal terrain. I: 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. CRC Press 2018 ISBN 9781138544468. s. 111-115
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7 Page, Ana M.; Grimstad, Gustav; Eiksund, Gudmund Reidar; Jostad, Hans Petter.
A macro-element model for multidirectional cyclic lateral loading of monopiles in clay. Computers and geotechnics 2018 ;Volum 106. s. 314-326
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8 Page, Ana M.; Grimstad, Gustav; Eiksund, Gudmund Reidar; Jostad, Hans Petter.
A macro-element pile foundation model for integrated analyses of monopile-based offshore wind turbines. Ocean Engineering 2018 ;Volum 167. s. 23-35
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9 Rønningen, Jon Abusland; Grimstad, Gustav; Nordal, Steinar.
On the convexity of yield and potential surfaces in rotational hardening critical state models. I: 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. CRC Press 2018 ISBN 9781138544468. s. 133-138
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10 Skau, Kristoffer Skjolden; Grimstad, Gustav; Page, Ana M.; Eiksund, Gudmund Reidar; Jostad, Hans Petter.
A macro-element for integrated time domain analyses representing bucket foundations for offshore wind turbines. Marine Structures 2018 ;Volum 59. s. 158-178
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11 Tistel, Joar; Grimstad, Gustav; Eiksund, Gudmund Reidar.
A macro model for shallow foundations on granular soils describing non-linear foundation behavior. Computers & structures 2018
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2017
12 Ervik, Åse; Høyland, Knut Vilhelm; Grimstad, Gustav; Nord, Torodd Skjerve.
A continuum model of large deformation continuous ductile ice crushing. Proceedings - International Conference on Port and Ocean Engineering under Arctic Conditions 2017 s. -
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13 Ghoreishian Amiri, Seyed Ali; Grimstad, Gustav.
Constitutive Model for Long-Term Behavior of Saturated Frozen Soil. I: Poromechanics VI: Proceedings of the Sixth Biot Conference on Poromechanics. American Society of Civil Engineers (ASCE) 2017 ISBN 9780784480779. s. 1005-1012
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14 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..
Creep of geomaterials – some finding from the EU project CREEP. European Journal of Environmental and Civil Engineering 2017 s. -
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15 Rostami, Hooman; Ghoreishian Amiri, Seyed Ali; Grimstad, Gustav.
Back analysis of Caen’s test by the recently developed frozen/unfrozen soil. Plaxis Bulletin 2017 (41) s. 12-19
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16 Tistel, Joar; Grimstad, Gustav; Eiksund, Gudmund Reidar.
Testing and modeling of cyclically loaded rock anchors. Journal of Rock Mechanics and Geotechnical Engineering 2017 ;Volum 9.(6) s. 1010-1030
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2016
17 Ghoreishian Amiri, Seyed Ali; Grimstad, Gustav.
Elastic-ViscoPlastic Model for Saturated Frozen Soils. Alert Workshop; 2016-10-03 - 2016-10-05
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18 Ghoreishian Amiri, Seyed Ali; Grimstad, Gustav.
Elastic-ViscoPlastic Model for Saturated Frozen Soils. Norwegian chapter InterPore Kick-off Workshop; 2016-09-23 - 2016-09-23
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19 Ghoreishian Amiri, Seyed Ali; Grimstad, Gustav; Kadivar, Mehdi; Nordal, Steinar.
Constitutive model for rate-independent behavior of saturated frozen soils. Canadian geotechnical journal (Print) 2016 ;Volum 53.(10) s. 1646-1657
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20 Grimstad, Gustav; Ghoreishian Amiri, Seyed Ali.
Constitutive modeling of frozen soils. Norwegian chapter InterPore Kick-off Workshop; 2016-09-23 - 2016-09-23
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21 Grimstad, Gustav; Haji Ashrafi, Mohammad Ali; Degago, Samson Abate; Nordal, Steinar; Emdal, Arnfinn.
Discussion of ‘Soil creep effects on ground lateral deformation and pore water pressure under embankments’. Geomechanics and Geoengineering 2016 ;Volum 11.(1) s. 86-93
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22 Rønningen, Jon A.; Grimstad, Gustav; Nordal, Steinar.
Modelling soft Scandinavian clay behavior using the asymptotic state. I: Proceedings of the 17th Nordic Geotechnical Meeting. : Icelandic Geotechnical Society 2016 ISBN 978-9935-24-002-6. s. 633-642
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23 Tistel, Joar; Grimstad, Gustav.
A macro model description of the non-linear anchor block foundation behavior. I: Proceeding of the Sixth International Conference on Structural Engineering, Mechanics and Computation (SEMC 2016), Insights and Innovations in tructural Engineering, Mechanics and Computation. CRC Press 2016 ISBN 978-1-138-02927-9. s. 2078-2084
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2015
24 Boumezerane, Djamalddine; Grimstad, Gustav.
A Rheological Model for Peat That Accounts for Creep. I: Proceedings of the 6th International Symposium on Deformation Characteristics of Geomaterials. IOS Press 2015 ISBN 978-1-61499-601-9. s. 947-954
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25 Boumezerane, Djamalddine; Grimstad, Gustav; Makdisi, Andrew.
A framework for peat behaviour based on hyperplasticity principles. I: Proceedings of the International Conference on Creep and Deformation Characteristics in Geomaterials. Gøteborg: Chalmers University of Technology 2015 ISBN 978-91-980974-8-1. s. 25-28
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26 Degago, Samson Abate; Grimstad, Gustav.
Discussion of “Experimental investigation on the creep behavior of an unsaturated clay”. Canadian geotechnical journal (Print) 2015 ;Volum 52.(2) s. 253-253
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27 Ghoreishian Amiri, Seyed Ali; Kadivar, Mehdi; Grimstad, Gustav.
A new concept in developing a constitutive model for frozen soils. I: Proceedings of the International Conference on Creep and Deformation Characteristics in Geomaterials. Gøteborg: Chalmers University of Technology 2015 ISBN 978-91-980974-8-1. s. 29-32
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28 Ghoreishian Amiri, Seyed Ali; Kadivar, Mehdi; Grimstad, Gustav.
A Thermo-Hydro-Mechanical Constitutive Model for Saturated Frozen Soil. I: Proceedings of the 6th International Symposium on Deformation Characteristics of Geomaterials. IOS Press 2015 ISBN 978-1-61499-601-9. s. 1024-1031
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29 Grimstad, Gustav.
Bjørvika synker. Byggeindustrien 2015 (5) s. 50-50
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30 Grimstad, Gustav.
Parameter selection for creep models. CREEP workshop; 2015-01-08 - 2015-01-08
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31 Grimstad, Gustav; Degago, Samson Abate; Boumezerane, Djamalddine.
Discussion of “Viscous behaviour of clays in one-dimensional compression”. Canadian geotechnical journal (Print) 2015 ;Volum 52. s. 120-120
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32 Grimstad, Gustav; Haji Ashrafi, Mohammad Ali; Kadivar, Mehdi.
PROFILE: Creep of geomaterials. PAN european networks science and technology 2015 (16) s. 246-247
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33 Grimstad, Gustav; Mehli, Magne; Degago, Samson Abate.
Creep in Clay During the First Few Years After Construction. I: Proceedings of the 6th International Symposium on Deformation Characteristics of Geomaterials. IOS Press 2015 ISBN 978-1-61499-601-9. s. 915-922
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34 Grimstad, Gustav; Mehli, Magne; Degago, Samson Abate.
Is creep analysis creeping into practice?. I: Proceedings of the International Conference on Creep and Deformation Characteristics in Geomaterials. Gøteborg: Chalmers University of Technology 2015 ISBN 978-91-980974-8-1. s. 35-38
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35 Haji Ashrafi, Mohammad Ali; Grimstad, Gustav.
Implementation of a critical state soft soil creep model with shear stiffness. I: Proceedings of the International Conference on Creep and Deformation Characteristics in Geomaterials. Gøteborg: Chalmers University of Technology 2015 ISBN 978-91-980974-8-1. s. 21-24
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36 Jostad, Hans Petter; Grimstad, Gustav; Andersen, Knut H; Sivasithamparam, Nallathamby.
A FE procedure for calculation of cyclic behaviour of offshore foundations under partly drained conditions. I: Frontiers in Offshore Geotechnics III. CRC Press 2015 ISBN 9781138028487. s. 153-172
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2014
37 Bonadies, F.; Nordal, Steinar; Gylland, Anders Samstad; Grimstad, Gustav; Jostad, Hans Petter; Cuomo, S.; Cascini, L..
Numerical methods for simulation of downward progressive landslides. I: Numerical Methods in Geotechnical Engineering: Proceedings of the 8th European Conference on Numerical Methods in Geotechnical Engineering, Delft, The Netherlands, 18-20 June 2014. CRC Press 2014 ISBN 978-1-138-00146-6. s. 579-584
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38 Cai, Fang; Eiksund, Gudmund Reidar; Grimstad, Gustav; Jostad, Hans Petter.
An anisotropic shear strength model for cyclic accumulated plastic strain of overconsolidated clay. Electronic journal of geotechnical engineering 2014 ;Volum 19 S. s. 4393-4406
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39 Degago, Samson; Grimstad, Gustav.
Significance of sample quality in settlement analysis of field cases. I: Numerical Methods in Geotechnical Engineering: Proceedings of the 8th European Conference on Numerical Methods in Geotechnical Engineering, Delft, The Netherlands, 18-20 June 2014. CRC Press 2014 ISBN 978-1-138-00146-6. s. 153-158
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40 Fornes, Petter; Grimstad, Gustav; Jostad, Hans Petter.
Effekt av progressiv bruddutvikling for utbygging i områder med kvikkleire: Tilbakeregning av Vestfossenskredet. : Norges vassdrags‐ og energidirektorat i et samarbeid med Statens vegvesen og 2014 (ISBN 978-82-410-1008-8) 49 s.
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41 Grimstad, Gustav.
GFT: CREEP of Geomatrials. GFT Årsmøte; 2014-01-29 - 2014-01-29
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42 Grimstad, Gustav; Ashrafi, Mohammad Ali Haji.
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; 2014-01-08 - 2014-01-09
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43 Grimstad, Gustav; Jostad, Hans Petter.
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 2014 28 s.
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44 Grimstad, Gustav; Mehli, Magne; Jostad, Hans Petter.
Forskningstemaet: krypoppførsel av geomaterialer og innlemmelse i geoteknisk prosjektering.Hvordan best utføre krypmodellering?. I: Fjellsprengningsdagen, Begmekanikkdagen, Geoteknikkdagen. oslo: tekna 2014 ISBN 978-82-8208-044-6. s. -
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45 Grimstad, Gustav; Rønningen, Jon A.; Nøst, Hilde Aas.
Use of IWAN models for modelling anisotropic and cyclic behavior of clays. I: Numerical Methods in Geotechnical Engineering: Proceedings of the 8th European Conference on Numerical Methods in Geotechnical Engineering, Delft, The Netherlands, 18-20 June 2014. CRC Press 2014 ISBN 978-1-138-00146-6. s. 49-54
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46 Jostad, Hans Petter; Grimstad, Gustav; Andersen, Knut H; Saue, Morten; Shin, Yunsup; You, D.
A FE Procedure for Foundation Design of Offshore Structures - Applied to Study a Potential OWT Monopile Foundation in the Korean Western Sea. Geotechnical Engineering 2014 ;Volum 45.(4) s. 63-72
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47 Rønningen, Jon A.; Gavel-Solberg, Vegard; Grimstad, Gustav.
Effective stress model for soft Scandinavian clays. I: Proceedings of the 23rd European Young Geotechnical Engineers Conference. : Universitat Politècnica de Catalunya 2014 ISBN 978-84-697-1036-4. s. 19-22
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2013
48 Degago, Samson Abate; Grimstad, Gustav.
Evaluation of creep hypotheses A and B based on relevant laboratory tests. I: Proceedings of the 5th International Young Geotechnical Engineers' Conference. IOS Press 2013 ISBN 978-1-61499-296-7. s. 47-50
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49 Degago, Samson; Grimstad, Gustav; Jostad, Hans Petter; Nordal, Steinar.
Misconceptions about experimental substantiation of creep hypothesis A. I: Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering - Challenges and Innovations in Geotechnics. Presses des Ponts 2013 ISBN 978-2-85978-478-2. s. 215-218
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50 Degago, Samson; Grimstad, Gustav; Jostad, Hans Petter; Nordal, Steinar.
Misconceptions about experimental substantion of creep hypotheis A. I: Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering - Challenges and Innovations in Geotechnics. Presses des Ponts 2013 ISBN 978-2-85978-478-2. s. 215-218
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