Japanese

Associate Professor: Sayuri KIMOTO

Research Topics

・Modeling and simulations of deformation
　and failure for the ground
・High-efficient liquefaction analysis
・Gas hydrate bearing sediments

Lectures

[Undergraduate Course of Civil Engineering]
・Experiments on Soil Mechanics and Exercises
・Soil Mechanics Ⅰ & Exrcise
[Graduate School]
・Geomechanics
・Computational Geotechnics

E-mail

kimoto.sayuri.6u_at_kyoto-u.ac.jp (please change "_at_" to "@")

Education

1998

Bachelor of Engineering, Department of Civil Engineering, Kyoto University

2000

Master of Engineering, Department of Civil Engineering, Kyoto University

2003

Doctor of Engineering, Department of Civil Engineering, Kyoto University

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Academic Experience

2003 - 2006

Assistant Professor, Department of Civil and Earth Resources Engineering, Kyoto University

2006 - present

Associate Professor, Department of Civil and Earth Resources Engineering, Kyoto University

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Selected Publications

SCIENTIFIC JOURNAL

• Oka, F, Shahbodagh Khan, B. and Kimoto, S., A computational model for dynamic strain localization in unsaturated elasto-viscoplastic soils, Int J Numer Anal Methods Geomech., Vol. 43, pp. 138-165, DOI: 10.1002/nag.2857, 2019.
• Iwai, H., Konishi, Y., Saimyou, K., Kimoto, S., Oka, F., Rate effect on the stress-strain relations of synthetic carbon dioxide hydrate-bearing sand and its dissociation test by thermal stimulation, Soils and Foundations, Vol. 58(5), https://doi.org/10.1016/j.sandf.2018.05.007, 2018.
• Chen, L., Kimoto, S., Numerical Analysis of Damaged River Embankment during the 2011 Tohoku Earthquake Using a Multiphase-Coupled FEM Analysis Method, Geofluids, Volume 2018, Article ID 5191647, https://doi.org/10.1155/2018/5191647, 2018.
• Oka, F., Kimoto, S., A cyclic elastoplastic constitutive model and effect of non-associativity on the response of liquefiable sandy soils, Acta Geotechnica, https://doi.org/10.1007/s11440-018-0659-0, 2018.
• Iwai, H, Konishi, Y., Kimoto, S., Undrained triaxial compression tests on artificial CO2-hydratebearing sand specimens, Int. Conf. on Greenhouse Gas Control Technologies, GHGT-13, 14-18, November 2016, Lausanne, Switzerland, Energy Procedia, 114, pp.3175-3184, 2017.
• Kimoto, S., Oka, F., Morimoto, Y., The effective stress concept and the evaluation of changes in pore air pressure under jacketed isotropic compression tests for dry sand based on the 2‐phase porous theory. Int J Numer Anal Methods Geomech. 2017;1–14. https://doi.org/10.1002/nag.2705, DOI: 10.1002/nag.2705, 2017.
• Oka, F., Kimoto, S., Yui, H., Matsuoka, H., Tsai, P.S., Liquefaction analyses of ground and levee considering the damage by the 2011 Great Tohoku Earthquake and lessons, Journal of Disaster Research, Vol.11, No.5, pp.830-844, 2016.
• Oka, F., Yui, H., Kimoto, S., Kinugawa, T., New evaluation method for liquefaction of ground using dynamic liquefaction analysis method and its application, Int. J. of Geomechanics, Vol.16 (5), DOI: 10.1061/(ASCE)GM.1943-5622.0000557, 2016.
• Oka, F., Takada, N., Shimono, K., Higo, Y., Kimoto, S., A large-scale excavation in soft Holocene deposit and its elasto-viscoplastic analysis, Acta Geotechnica, DOI 10.1007/s11440-016-0445-9, 2016.
• Akaki, T., Kimoto, S. and Oka, F., Chemo-thermo-mechanically coupled seismic analysis of methane hydrate-bearing sediments during a predicted Nankai Trough Earthquake, Int. J. for Numerical and Analytical Methods in Geomechanics, 2016 (Published online in Wiley Online Library (wileyonlinelibrary.com). DOI: 10.1002/nag.2527).
• Iwai, H., Kimoto, S., Akaki, T., Oka, F., Stability analysis of methane hydrate-bearing soil considering dissociation, Energies, Vol.8, 5381-5412; doi:10.3390/en8065381, 2015.
• Higo, Y., Lee, C.-W., Doi, T., Kinugawa, T., Kimura, M., Kimoto, S., Oka, F., Study of dynamic stability of unsaturated embankments with different water contents by centrifugal model tests, Soils and Foundations, Vol. 55, No.1, 112-126, 2015.
• Kimoto, S., Shahbodagh Khan, B., Mirjalili, M, and Oka, F., A Cyclic Elasto-Viscoplastic Constitutive Model for Clay Considering the Nonlinear Kinematic Hardening Rules and the Structural Degradation, Int. J. Geomechanics, Vol.15, No.5, A4014005, 2015.
• Shahbodagh Khan, B., Mirjalili, M., Kimoto, S., and Oka, F., Dynamic analysis of strain localization in water-saturated clay using a cyclic elasto-viscoplastic model, Int. J. Numer. Anal. Meth. Geomech., Vol.38, pp. 771-793, 2014.
• Kimoto, S., Oka, F., and Garcia, E.F., Numerical Simulation of the Rainfall Infiltration on Unsaturated Soil Slope Considering a Seepage Flow, Geotechnical Engineering Journal of the SEAGS & AGSSEA Vol. 44, No. 3, September, pp. 1-13, 2013.
• Karim, M.R., Oka, F., Krabbenhoft, K., Leroueil, S. and Kimoto, S., Simulation of long-term consolidation behavior of soft sensitive clay using an elasto-viscoplastic constitutive model, Int. J. Num. Anal. Meth. in Geomech., Vol. 37, pp. 2801-2824, 2013.
• Higo, Y., Oka, F., Sato, T., Matsushima, Y. and Kimoto, S., Investigation of localized deformation in partially saturated sand under triaxial compression by microfocus X-ray CT with digital image correlation, Soils and Foundations, Vol. 53, No. 2, pp.181-198, 2013.
• Oka, F., Tsai, P.S., Kimoto, S. and Kato, R., Damage patterns of river embankments due to the 2011 off the Pacific Coast of Tohoku earthquake and a numerial modeling of the deformation of river embankments with a clayey subsoil layer, Soils and Foundations, Vol. 52, No. 5, pp. 890-899, 2012.
• Mirjalili, M., Kimoto, S., Oka, F. and Hattori, T., Long-term consolidation analysis of a large-scale embankment construction on soft clay deposits using an elasto-viscoplastic model, Soils and Foundations, Vol. 52, No.1, pp. 18-37, 2012.
• Higo, Y, Oka, F., Kimoto, S., Sanagawa, T., Matsushima, Y., Study of Strain Localization and Microstructural Changes in Partially Saturated Sand during Triaxial Tests Using Microfocus X-ray CT, Soils and Foundations, Vol. 51, No. 1, pp. 95-112, 2011.
• Karunawardena, A., Oka, F. and Kimoto, S., Elasto-viscoplastic modeling of the consolidation of Sri Lankan peaty clay, Geomechanics and Engineering, Vol. 3, No. 3, pp. 233-254, 2011.
• Mirjalili, M., Kimoto, S., Oka, F. and Higo, Y., Elasto-visoplastic modeling of Osaka soft clay considering destructuration and its effect on the consolidation analysis of an embankment, Geomechanics and Geoengineerin, Vol. 6, No. 2, pp. 69-89, 2011.
• Kimoto, S., Oka, F., Fukutani, J. Yabuki , T., Nakashima, K., Monotonic and cyclic behavior of unsaturated sandy sol under drained and fully undrained conditions, Soils and Foundations, Vol. 51, No. 4, pp. 663-681, 2011.
• Garcia, E., Oka, F. and Kimoto, S., Numerical analysis of a one-dimensional infiltration problem in unsaturated soil by a seepage-deformation coupled method, Int. J. Numerical and Analytical Methods in Gomechanics, Vol. 35, No. 5, pp. 544-568, 2011, doi:10.1002/nag.908, 2010.
• Oka, F., Kimoto, S., Takada, N., Gotoh, H., and Higo, Y., A seepage-deformation coupled analysis of an unsaturated river embankment using a multiphase elatso-viscoplastic theory, Soils and Foundations, Vol. 50, No.4, pp. 483-494, 2010.
• Oka, F., Kodaka, T., Suzuki, H. Kim, Y.-S., Nishimatsu, N. and Kimoto, S., Experimental Study on the Behavior of Unsaturated Compacted Silt under Triaxial Compression, Soils and Foundations, Vol.50, No.1, February Issue, pp.27-44, 2010.
• Kimoto, S., Oka, F., Fushita, T., A chemo–thermo–mechanically coupled analysis of ground deformation induced by gas hydrate dissociation, Int. J. of Mechanical Sciences Vol. 52, pp. 365-376, 2010.
• Oka, F., Feng, H., Kimoto, S. and Higo, Y., An elasto-viscoplastic numerical analysis of the swelling process of unsaturated bentonite, J. Appl. Mech., JSCE, Vol. 11, pp. 369-376, 2008.
• Kodaka, T., Higo, Y., Kimoto, S. and Oka, F., Effect of sample shape on strain localization of water-saturated clay, Int. J. Numerical and Analytical method in Geomechanics, Vol. 31, No. 3, pp.483-521, 2007.
• Kimoto, S., Oka, F., Fushita, T., and Fujiwaki, M.: A Chemo-Thermo-Mechanically Coupled Numerical Simulation of the Ground Deformation due to Methane Hydrate Dissociation, Computers and Geotechnics, Vol. 34, pp. 216-228, 2007.
• Boonlert, S., Oka, F., Kimoto, S. , Kodaka, T., Higo, Y., Elasto-viscoplastic finite element study of the effect of degradation on bearing capacity of footing on clay ground, Geomechanics and Geoengineering, Vol. 2, Issue 4, pp. 235-251, 2007.
• Higo, Y., Oka, F., Kodaka, T. and Kimoto, S., Three-dimensional strain localization of water-saturated clay and numerical simulation using an elasto-viscoplastic model, Philosophical Magazine, Vol. 86, Nos.21-22, 21-July1-1 August 2006, pp. 3205-3240, 2006.
• Kimoto, S. and Oka F., An elasto-viscoplastic model for clay considering destructuralization and consolidation analysis of unstable behavior, Soils and Foundations, Vol. 45, No. 2, pp. 29-42, 2005.
• Kimoto, S., Oka, F. and Higo, Y., Strain localization analysis of elasto-viscoplastic soil considering structural degradation, Int. J. Computer Methods in Applied Mechanics and Engineering, Vol. 193, Issues 27-29, pp. 2845-2866, 2004.
• Oka, F., Kodaka, T., Kimoto, S., Ishigaki, S. and Tsuji C., Step-changed strain rate effect on the stress-strain relations of clay and a constitutive modeling, Soils and Foundations, Special Issue on Deformation Characteristics of Geomaterials (IS-Lyon),Vol. 43, No. 4, pp. 189-202, 2003.
• Oka, F., Kimoto, S., Kobayashi, H. and Adachi, T., Anisotropic behavior of soft sedimentary rock and a constitutive model, Soils and Foundations, Vol. 42, No. 5, October, pp. 59-70, 2002.
• Oka, F., Higo, Y. and Kimoto, S., Effect of dilatancy on the strain localization of water-saturated elasto-viscoplastic soil, Int. J. of Solids and Structures, Vol.39, Issues 13-14, pp. 3625-3647, 2002.

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査読付き学会論文, CONFERENCE PAPER (REFEREED)

• Kimoto, S., Matsuoka, H., Oka, F., Dynamic Analysis of River Embankment Considering Soil Improvement　Using a Finite Deformation FE analysis Method, 15th IACMAG, 19-23 October 2017, Wuhan, China.
• Akaki, T., Kimoto, S., Numerical study on unfavorable influences of methane hydrate production on dynamic behavior of seabed sediments during an earthquake, 19th Int. Conf. on Soil Mechanics and Geotechnical Engineering, Seoul, Korea, Sep. 17-22, 2017.
• Kimoto, S., Ishikawa, R., Akaki, T., Behavior of unsaturated sandy soil during triaxial compression tests under fully undrained conditions and its modelling, 19th Int. Conf. on Soil Mechanics and Geotechnical Engineering, Seoul, Korea, Sep. 17-22, 2017.
• Kimoto, S., Matsuoka, H., Yui, H. Oka, F., Liquefaction analysis of reclaimed ground in Urayasu city considering main shock and aftershock of the 2011 off the coast of Tohoku earthquake, Proc. of fifth Int. Conf. GEOMATE 2015, Geotechnique Construction Materials and Environment, Osaka, Japan,16-18 November, pp.401-406, 2015.
• Iwai, H., Saimyou, K. Kimoto, S., Oka, F., Development of a temperature and pressure controlled triaxial apparatus and dissociation tests of carbon dioxide hydrate containing soils, The 15th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, Fukuoka, Japan, 9-13 November, Japanese Geotechnical Society Special Publication, Vol. 2, No.18, 518-521, http://doi.org/10.3208/jgssp.JPN-143, 2015.
• Akaki, T., Kimoto, S., Oka F., Dynamic analysis of hydrate-bearing seabed sediments considering methane gas production induced by depressurization, The 15th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, Fukuoka, Japan, 9-13 November, Japanese Geotechnical Society Special Publication, Vol. 2, No.18, 676-680, http://doi.org/10.3208/jgssp.JPN-134, 2015.
• Kimoto, S., Akaki, T., Kitano, T., Iwai, H., and Oka, F., Dynamic behavior of hydrate-bearing sediments during earthquakes, Computer methods and Recent Advances in Geomechanics, Oka, Murakami, Uzuoka & Kimoto (eds.), Proc. of the 14th Int. Conf. of International Association for Computer Methods and Recent Advances in Geomechanics, Kyoto, Japan, 22-25 September, 2014, 1669-1674.
• Takyu, T., Kimoto, S., and Oka, F., Numerical simulation of landslide due to excavation of soft rock using an elasto-viscoplastic water-soil coupled FEM, Computer methods and Recent Advances in Geomechanics, Oka, Murakami, Uzuoka & Kimoto (eds.), Proc. of the 14th Int. Conf. of International Association for Computer Methods and Recent Advances in Geomechanics, Kyoto, Japan, 22-25 September, 1095-1100, 2014.
• Takada, N., Simono, K., Oka, F., Kimoto, S. and Higo, Y., Numerical evaluation of the deformation of earth retaining wall reinforced by soil buttress method during the excavation in soft soil, Computer methods and Recent Advances in Geomechanics, Oka, Murakami, Uzuoka & Kimoto (eds.), Proc. of the 14th Int. Conf. of International Association for Computer Methods and Recent Advances in Geomechanics, Kyoto, Japan, 22-25 September, 1037-1042, 2014.
• Kato, R., Oka, F. and Kimoto, S., A numerical simulation of seismic behavior of highway embankments considering seepage flow, Computer methods and Recent Advances in Geomechanics, Oka, Murakami, Uzuoka & Kimoto (eds.), Proc. of the 14th Int. Conf. of International Association for Computer Methods and Recent Advances in Geomechanics, Kyoto, Japan, 22-25 September, 755-760, 2014.
• Sadeghi, H., Kimoto, S., and Oka, F., Dynamic analysis of river embankments during earthquakes using a finite deformation FE analysis method, Computer methods and Recent Advances in Geomechanics, Oka, Murakami, Uzuoka & Kimoto (eds.), Proc. of the 14th Int. Conf. of International Association for Computer Methods and Recent Advances in Geomechanics, Kyoto, Japan, 22-25 September, 637-642, 2014, 637-642.
• Iwai, H., Kimoto, S., Akaki, T., and Oka, F., Instability analysis and numerical simulation of the dissociation process of methane hydrate bearing soil, Computer methods and Recent Advances in Geomechanics, Oka, Murakami, Uzuoka & Kimoto (eds.), Proc. of the 14th Int. Conf. of International Association for Computer Methods and Recent Advances in Geomechanics, Kyoto, Japan, 22-25 September, 421-426, 2014.
• Higo, Y., Oka, F., Kimoto, S., Kinugawa, T., Lee, C.-W. and Doi, T., Dynamic centrifugal model test for unsaturated embankments considering seepage flow and the numerical analysis, Proc. 18th ICSMGE, Paris, 2013, edited by P. Delage, J. Desrues, R. Frank, A. Puech., F. Schlosser, , Paris, France, Sep. 2-6, pp. 923-926, 2013.
• Oka, F., Kimoto, S., Garcia, E. and Yamamoto, H., Effect of the rainfall infiltration on an unsaturated levee during seepage flow, Computer methods for geomechanics: Fontiers and New Applications, Proc. 13th Int. Conf. on IACMAC, Melbourne, Nasser Khalili and Markus Oeser eds.Center for Infrastructures and safety, Sydney, pp. 614-619, 2011.
• Oka, F., Kimoto, S., Nguyen, Q.H., Elasto-viscoplasitc constitutive modeling of soft sedimentary rocks, Proc. of the 15th European Conference on Soil Mechanics and Geotechnical Engineering, Athene, 2011, pp.563-568, 2011.
• Oka, F., Higo, Y., Kimoto, S., Nakashima, K., Ohta, H. and Sanagawa, T., Observation of compaction bands in diatomaceous mudstone under triaxial conditions by image analysis and microfocus X-ray CT, Soil Mechanics and Geotechnical Engineering: Challenges and Solutions, Proc. the 14th Asian Regional Conference of Soil Mechanics and Geotechnical Engineering, May 23-27 2011, Hong-Kong, China, paper No.198, 2011.
• Kimoto, S., Oka, F., Miki, Y., Fukuda, T., Iwai, H., Kitano, T. A chemo-thermo-mechanically coupled analysis of hydrate bearing sediments, The 14th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, Hong Kong, China, 23-27 May 2011, Paper No. TC103-5, 2011.
• Kimoto, S., Oka, F., Cyclic behavior of unsaturated silty soil under triaxial conditions, The 14th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, Hong Kong, China, 23-27 May 2011, Paper No. 250, 2011.
• Oka, F., Kimoto, S., Kato, R., Sunami, S., Kodaka, T., Unsaturated River Embankment due to Seepage Flow and Overflow, Proc. 12th IACMAG, edited by D.N.Singh, Goa, India, Oct. 1-6, pp. 2029-2041, 2008.
• Oka, F., Higo, Y., Kimoto, S., Nakano, M., Mukai, H. Kunotsubo, H., Izumitani, T., Takeda, S., Amano, K., Nagaya, J., Elasto-viscoplastic Numerical Analysis of a Deep Excavation in an Osaka Soft Clay Deposit Using the Open-cut Method, Proc. 12th IACMAG, 、edited by D.N.Singh, Goa, India, Oct. 1-6, pp. 4709-4715, 2008.
• Oka, F., Kimoto, S., Yamazaki, S. and Kato, R., Multi-phase coupled elasto-viscoplastic analysis of unsaturated soil slope during seepage flow, CD-Rom Proc. of XXII ICTAM, SM08, 25-29 August 2008, Adelaide, Australia.
• Oka, F., Feng, H., and Kimoto, S., A numerical simulation of triaxial tests of unsaturated soil at constant wate and constant air content by using an elasto-viscoplastic model, Proc. 1st European Conference on Unsaturated Soils, E-Unsat 2008, Durham, UK, Jul.2-4,2008, Unsaturated Soils:Adavances in Geo-Engineering, Toll,D.G., Augrade,C.E., Gallipoli, D. and Wheeler, S.J. eds., Taylor and Francis Group, pp.735-741, 2008.
• Higo,Y., Oka, F., Kimoto, S., Kodaka, T. and Adachi, T., Three –dimensional strain localization of clay with different shapes of specimens, Proc. 13th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, Allied Publishers Private Limited, ASSMGE, Vol.1, pp.3-6, 2007.
• Oka, F, Kodaka, T., Kimoto, S., Kato, R. and Sunami, S., Hydro-Mechanical Coupled Analysis of Unsaturated River Embankment due to Seepage Flow, Key Engineering Materials, 2007, Vols. 340-341, pp. 1223-1230.online at http://www.scientific.net Trans Tech Publications, Switzerland. (Presented at 8th Asian n-Pacific Symposium on Engineering Plasticity and Its Applications, September 25-29, Nagoya, 2006 )
• Kimoto, S., Oka, F., Kim, Y.-S., Takada, N. and Higo, Y., A Finite element analysis of the thermo-hydro-mechanically coupled problem of a cohesive deposit using a thermo-elasto-viscoplastic model, Key Engineering Materials, 2007, Vols. 340-341, pp. 1291-1296. online at http://www.scientific.net Trans Tech Publications, Switzerland. (Presented at 8th Asian n-Pacific Symposium on Engineering Plasticity and Its Applications, September 25-29, Nagoya, 2006 )
• Oka, F., Kodaka, T., Kimoto, S., Kim, Y.-S and Yamasaki, N., A Multi-phase Coupled FE Analysis Using an Elasto-viscoplastic Model for Unsaturated soil, Proc. 2nd JAPAN-US Workshop on Testing, Modeling, and Simulation, Sep. 8-10 2005, Kyoto, Japan, Geotechnical Special Publication, No. 156, ASCE, pp. 124-131, 2006.
• Oka, F., Kodaka, T., Kimoto, S., Kim, Y.-S and Yamasaki, N., An Elasto-viscoplastic Model and Multiphase Coupled FE Analysis for Unsaturated Soil, Proc. 4th Int. Conf. on Unsaturated Soils, Apr. 2-6 2006, Carefree, Arizona, Geotechnical Special Publication, No. 147, ASCE, Vol.2, pp. 2039-2050, 2006.
• Oka, F., Kodaka, T., Kimoto, S., Ichinose, T. and Higo, Y., Strain localization of rectangular clay specimens under undrained traixial compression conditions, Proc. 16th ICSMGE, Vol.2, pp. 841-844, 2005.
• Oka, F. and Kimoto, S., Calibration of elasto-viscoplastic models for cohesive soils, Proc. 11th Int. Conference of IACMAG, G. Barla and M.Barla editors, AGI, Patron Editore, ,Vol.1, pp.449-456, 2005.
• Kim, Y., Kimoto, S., Oka, F. and Kodaka, T., Numerical simulation of the triaxial compression behaviour of unsaturated silt using an elasto-viscoplastic model, Proc. 11th Int. Conference of IACMAG, G. Barla and M.Barla editors, AGI, Patron Editore, , Vol.1, pp. 361-368, 2005.
• Oka, F., Kimoto, S., Kodaka, T., Takada, N., Fujita, Y. and Higo, Y., A finite element analysis of the deformation behavior of a multiphase seabed ground due to the dissociation of natural gas hydrates, Proc. 11th Int. Conference of IACMAG, G. Barla and M.Barla editors, AGI, Patron Editore, Vol.1, pp. 127-134, 2005.
• Oka, F. and Kimoto, S., An elasto-viscoplastic model for clay considering destructuralization and prediction of compaction bands, Geomechanics, Testing, Modeling and Simulation, Geotechnical Special Publication No. 143, ASCE, J.A. Yamamuro, J.Koseki editors, ASCE, pp. 71-80, 2005. (国際学会)

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Literary work

• Oka,F., Murakami, A., Uzuoka, R., Kimoto, S., Computer Methods and recent Advances in Geomechanics, Proc. of the 14th Int. Conf. of Int. Association for Computer Methods and Recent Advances in Geomechanics, Kyoto, Japan, 22-25 September 2014, CRC press, Taylor & Francis group, 2014.
• Oka, F. and Kimoto, S., Computational modeling of multi-phase gematerials, CRC press, Taylor & Francis group, 2012.

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