並河 努

研究成果

年別の研究成果 1994 2021

• 261 被引用数
• 8 h-index
• 38 Article
• 11 Conference contribution
• 1 Paper
• 1 Conference article

年別の研究成果

年別の研究成果

検索結果

• 2021

  Probabilistic analysis of overall strength of a cement-treated soil column considering statistical uncertainty and spatial variability

  Namikawa, T., 2021 4 25, In: International Journal for Numerical and Analytical Methods in Geomechanics. 45, 6, p. 794-814 21 p.

  研究成果: Article › 査読

  • Soil cement
  • soil column
  • cement (construction material)
  • Uncertainty
  • finite element method
• 2019

  Evaluation of statistical uncertainty of cement-treated soil strength using Bayesian approach

  Namikawa, T., 2019 10, In: Soils and Foundations. 59, 5, p. 1228-1240 13 p.

  研究成果: Article › 査読

  • Soil cement
  • soil strength
  • cement (construction material)
  • Uncertainty
  • evaluation
  3 被引用数 (Scopus)
• 2018

  Unconfined compression behavior of cement-treated sample composed of various strength parts

  Namikawa, T. & Nakashima, Y., 2018 1 1, In: Zairyo/Journal of the Society of Materials Science, Japan. 67, 1, p. 42-46 5 p.

  研究成果: Article › 査読

  • Soil cement
  • cements
  • Compaction
  • Cements
  • soils
• 2017

  Failure behavior of cement-treated soil under triaxial tension conditions

  Namikawa, T., Hiyama, S., Ando, Y. & Shibata, T., 2017 10, In: Soils and Foundations. 57, 5, p. 815-827 13 p.

  研究成果: Article › 査読

  • Soil cement
  • cement (construction material)
  • confining pressure
  • soil
  • Failure modes
  6 被引用数 (Scopus)

• Influence of pulling out existing piles on the surrounding ground

  Inazumi, S., Namikawa, T., Kuwahara, S. & Hamaguchi, S. I., 2017, In: International Journal of GEOMATE. 13, 35, p. 16-21 6 p.

  研究成果: Article › 査読

  • Piles
  • Fillers
  • pile
  • Pile foundations
  • finite element analysis
  4 被引用数 (Scopus)

• Literature survey and experimental study on the direct tension test on rocks

  Hashiba, K., Okada, T., Tani, K., Shirasagi, S., Hayano, K., Nakamura, T., Oikawa, Y., Ono, M., Shimamoto, K., Yamada, S., Wakabayashi, N., Namikawa, T. & Nishikane, Y., 2017 3 1, In: Geotechnical Testing Journal. 40, 2, p. 335-344 10 p.

  研究成果: Article › 査読

  • Rocks
  • Tensile strength
  • experimental study
  • literature
  • Stress-strain curves
  3 被引用数 (Scopus)

• Statistical analysis for evaluating cyclic strength of cement-treated soils

  Namikawa, T., Suzuki, Y., Onimaru, S., Tsukahara, T., Kurosawa, R. & Shimada, K., 2017 6, In: Soils and Foundations. 57, 3, p. 412-422 11 p.

  研究成果: Article › 査読

  • Soil cement
  • loading test
  • cyclic loading
  • Regression analysis
  • Statistical methods
  1 被引用数 (Scopus)
• 2016

  Conditional probabilistic analysis of cement-treated soil column strength

  Namikawa, T., 2016 2 1, In: International Journal of Geomechanics. 16, 1, 04015021.

  研究成果: Article › 査読

  • probability analysis
  • finite element analysis
  • soil column
  • cement
  • cement (construction material)
  23 被引用数 (Scopus)
• 2014

  Evaluation of compressive strength of cement-treated column by numerical simulation with conditional distribution

  Namikawa, T., 2014 1, In: Zairyo/Journal of the Society of Materials Science, Japan. 63, 1, p. 55-60 6 p.

  研究成果: Article › 査読

  • Soil cement
  • compressive strength
  • cements
  • Compressive strength
  • Cements
  1 被引用数 (Scopus)
• 2013

  Effects of spatial correlation on the compression behavior of a cement-treated column

  Namikawa, T. & Koseki, J., 2013, In: Journal of Geotechnical and Geoenvironmental Engineering. 139, 8, p. 1346-1359 14 p.

  研究成果: Article › 査読

  • Autocorrelation
  • Compaction
  • Cements
  • autocorrelation
  • cement (construction material)
  40 被引用数 (Scopus)
• 2012

  Characterization of strength variability of cement-treated soil column

  T, N., T., N. & Namikawa, T., 2012 9 1, In: The 4th Central Asian Geotechnical Symposium. CD ROM

  研究成果: Article › 査読

• Numerical study of compression behavior of cement-treated columns with strength fields following normal and lognormal distribution.

  T, N., T., N. & Namikawa, T., 2012 11 1, In: International Conference on Ground Improvement and Ground Control.

  研究成果: Article › 査読
• 2011

  Numerical investigation of spatial distribution of deformation in granular media.

  T, N., T., N. & Namikawa, T., 2011 5 10, In: Computer Methods for Geomechanics Frontiers and New Applications. 1, p. 381-386

  研究成果: Article › 査読

• Numerical Study of Bending Strength of Cement-treated Column with Spatial Variability.

  T, N., T., N. & Namikawa, T., 2011 11 1, In: Proceedings of the International Conference on Advances in Geotechnical Engineering. CD ROM, p. 579-586

  研究成果: Article › 査読

• Numerical study of compression and tension behaviors of cement-treated column with spatial variability.

  T, N., T., N. & Namikawa, T., 2011 5 24, In: 14th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering. CD ROM

  研究成果: Article › 査読

• Three-dimensional modeling of stress-strain relationship of sand subject to large cyclic loading.

  T, N., T., N., J., K., L.I.N., D. & Namikawa, T., 2011 1 1, In: 5th International Conference on Earthquake Geotechnical Engineering. CD ROM

  研究成果: Article › 査読
• 2010

  Mechanical properties and seismic behavior of soil walls using remmed earth technique.

  H, A., H., A., J., L., T., S., T., N., J., K. & Namikawa, T., 2010 1 1, In: International Symposium on New Technologies for Urban Safety of Mega Cities in Asia. CD ROM

  研究成果: Article › 査読
• 2009

  Behavior of lattice-type ground improvement by cement-mixing for liquefaction mitigation.

  J, K., J., K., T., N. & Namikawa, T., 2009 12 1, In: Ground Improvement Technologies and Case Histories. 1, p. 257-262

  研究成果: Article › 査読

• Numerical study of effects of spatial variability on cement-treated column strength.

  T, N., T., N., J., K. & Namikawa, T., 2009 12 1, In: Ground Improvement Technologies and Case Histories. 1, p. 419-424

  研究成果: Article › 査読

• Performance evaluation of lattice-shaped ground improvement for liquefaction mitigation.

  T, N., T., N., J., K. & Namikawa, T., 2009 6 1, In: Performance-Based Design in Earthquake Geotechnical Engineering. 1, p. 1169-1176

  研究成果: Article › 査読

• Size effect on bending strength of cement-treated soils.

  T, N., T., N., J., K. & Namikawa, T., 2009 5 1, In: Deep Mixing 09. CD ROM

  研究成果: Article › 査読
• 2008

  Finite element analysis of a full scale bending test of cement treated soil column.

  T, N., T., N., J., K., Y., S. & Namikawa, T., 2008 10 1, In: 12th International Conference of the International Association for Computer Methods and Advances in Geomechanics. 1, p. 3635-3641

  研究成果: Article › 査読

  4 被引用数 (Scopus)

• Fracture zone deformation of cement-treated sand in plane strain compression tests

  T, N., T., N., J., K. & Namikawa, T., 2008 9 1, In: Deformation Characteristics of Geomaterials. 1, p. 371-376

  研究成果: Article › 査読

• Shear and tensile properties of cement-treated sands and their applications of liquefaction-induced damage.

  J, K., J., K., Y., T., T., N., S., M., R., S-M., Y., S., S., N. & Namikawa, T., 2008 9 1, In: Deformation Characteristics of Geomaterials. 1, p. 27-50

  研究成果: Article › 査読
• 2007

  Elasto-plastic model for cement-treated sand

  Namikawa, T. & Mihira, S., 2007 1 1, In: International Journal for Numerical and Analytical Methods in Geomechanics. 31, 1, p. 71-107 37 p.

  研究成果: Article › 査読

  • Sand
  • Cements
  • cement (construction material)
  • plastic
  • Plastics
  36 被引用数 (Scopus)

• Elasto-plastic model for cement-treated sand.

  T, N., T., N., S., M. & Namikawa, T., 2007 1 1, In: International Journal for Numerical and analytical Method in Geomechanics. 30, p. 71-107

  研究成果: Article › 査読

  36 被引用数 (Scopus)

• Evaluation of tensile strength of cement-treated sand based on several types of laboratory tests

  Namikawa, T. & Koseki, J., 2007, In: Soils and Foundations. 47, 4, p. 657-674 18 p.

  研究成果: Article › 査読

  Open Access

  • tensile strength
  • laboratory test
  • Sand
  • Cements
  • Tensile strength
  27 被引用数 (Scopus)

• Finite element analysis of lattice-shaped ground improvement by cement-mixing for liquefaction mitigation

  Namikawa, T., Koseki, J. & Suzuki, Y., 2007, In: Soils and Foundations. 47, 3, p. 559-576 18 p.

  研究成果: Article › 査読

  Open Access

  • ground improvement
  • Liquefaction
  • liquefaction
  • Cements
  • mitigation
  40 被引用数 (Scopus)
• 2006

  Centrifuge model tests on soil reaction along a pile in a liquefiable sand layer.

  T, N., T., N. & Namikawa, T., 2006 8 1, In: The 6th Int. Conf. on Physical Modelling in Geomechnics. p. 1029-1035

  研究成果: Article › 査読

• Experimental determination of softening relations for cement-treated sand

  Namikawa, T. & Koseki, J., 2006 8, In: Soils and Foundations. 46, 4, p. 491-504 14 p.

  研究成果: Article › 査読

  Open Access

  • softening
  • Shear bands
  • Sand
  • Cements
  • cement (construction material)
  19 被引用数 (Scopus)
• 2005

  Seismic response analysis of lattice-shaped ground improvements.

  T, N., T., N., Y., S., J., K. & Namikawa, T., 2005 5 1, In: Deep Mixing 05. p. 263-271

  研究成果: Article › 査読
• 2004

  STUDY ON APPLICABILITY OF ELASTO-VISCOPLASTIC MODELS TO MECHANICAL PROPERTIES OF COMPACTED BENTONITE

  Namikawa, T., Hirai, T., Tanai, K., Yui, M., Sigeno, Y., Takaji, K. & Ohnuma, M., 2004 6 1, In: Doboku Gakkai Ronbunshuu C. 764, p. 367-372

  研究成果: Article › 査読

  • Bentonite
  • Mechanical properties
  • Radioactive waste disposal
  • Constitutive models
• 2002

  Application to building foundation.

  T, N., T., N. & Namikawa, T., 2002 10 1, In: Tokyo Workshop 2002 on Deep Mixing. p. 233-241

  研究成果: Article › 査読
• 2001

  Delayed plastic model for time-dependent behaviour of materials

  Namikawa, T., 2001 5, In: International Journal for Numerical and Analytical Methods in Geomechanics. 25, 6, p. 605-627 23 p.

  研究成果: Article › 査読

  • time dependent behavior
  • plastic
  • Plastics
  • Clay
  • material
  12 被引用数 (Scopus)
• 2000

  Dynamic centrifuge test of pile foundations structure, Part one : Behavior of free ground during extreme earthquake conditions.

  T, N., T., N., K., T., S., N., R., B., T., H. & Namikawa, T., 2000 2 1, In: 12th World Conference on Earthquake Engineering. CD ROM

  研究成果: Article › 査読

• Dynamic centrifuge test of pile foundations structure, Part two : Behavior of structure and ground during extreme earthquake conditions.

  R, B., R., B., K., T., S., N., T., H., T., N. & Namikawa, T., 2000 2 1, In: 12th World Conference on Earthquake Engineering,. CD ROM

  研究成果: Article › 査読

• Session and workshop report ; Keynote lecture by Prof. Kimura : Development of geotechnical centrifuges in Japan.

  T, N. & Namikawa, T., 2000 1 1, In: Centrifuge 98. 2, p. 1039-1040

  研究成果: Article › 査読
• 1994

  An Experimental Study on Loading Effect on Bearing Capacity of Footings on Submerged Sand

  P, R., P., R., k., K., T., N., T., K. & Namikawa, T., 1994 1 1, In: The 9th Japan Earthquake Engineering Symposium, 3. p. E307-E312

  研究成果: Article › 査読