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Research Output 1994 2019

  • 183 Citations
  • 8 h-Index
  • 37 Article
  • 8 Conference contribution
  • 1 Conference article
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Article

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 Jan 1, In : The 9th Japan Earthquake Engineering Symposium, 3. p. E307-E312

Research output: Contribution to journalArticle

Application to building foundation.

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

Research output: Contribution to journalArticle

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

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

Research output: Contribution to journalArticle

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

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

Research output: Contribution to journalArticle

Characterization of strength variability of cement-treated soil column

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

Research output: Contribution to journalArticle

14 Citations (Scopus)

Conditional probabilistic analysis of cement-treated soil column strength

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

Research output: Contribution to journalArticle

probability analysis
cement
soil column
finite element analysis
autocorrelation
11 Citations (Scopus)
time dependent behavior
plastic
Plastics
Clay
creep

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 Feb 1, In : 12th World Conference on Earthquake Engineering. CD ROM

Research output: Contribution to journalArticle

28 Citations (Scopus)

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.

Research output: Contribution to journalArticle

Autocorrelation
Cements
cement
Compaction
autocorrelation
27 Citations (Scopus)

Elasto-plastic model for cement-treated sand

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

Research output: Contribution to journalArticle

Cements
cement
Sand
plastic
Plastics
27 Citations (Scopus)

Elasto-plastic model for cement-treated sand.

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

Research output: Contribution to journalArticle

1 Citation (Scopus)
Soil cement
compressive strength
cements
Compressive strength
Cements

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

Namikawa, T., 2019 Jan 1, (Accepted/In press) In : Soils and Foundations.

Research output: Contribution to journalArticle

Soil cement
soil strength
cement
Quality assurance
deep mixing method
21 Citations (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.

Research output: Contribution to journalArticle

tensile strength
Cements
cement
Tensile strength
Sand
12 Citations (Scopus)

Experimental determination of softening relations for cement-treated sand

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

Research output: Contribution to journalArticle

softening
Shear bands
Cements
cement
Sand
4 Citations (Scopus)

Failure behavior of cement-treated soil under triaxial tension conditions

Namikawa, T., Hiyama, S., Ando, Y. & Shibata, T., 2017, (Accepted/In press) In : Soils and Foundations.

Research output: Contribution to journalArticle

Soil cement
cement
confining pressure
soil
Failure modes
3 Citations (Scopus)
27 Citations (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.

Research output: Contribution to journalArticle

ground improvement
Liquefaction
liquefaction
Cements
cement

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

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

Research output: Contribution to journalArticle

1 Citation (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.

Research output: Contribution to journalArticle

Piles
Fillers
Pile foundations
pile
finite element analysis
2 Citations (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 Mar 1, In : Geotechnical Testing Journal. 40, 2, p. 335-344 10 p.

Research output: Contribution to journalArticle

Tensile strength
experimental study
Rocks
Stress-strain curves
rock

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 Jan 1, In : International Symposium on New Technologies for Urban Safety of Mega Cities in Asia. CD ROM

Research output: Contribution to journalArticle

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

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

Research output: Contribution to journalArticle

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

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

Research output: Contribution to journalArticle

Seismic response analysis of lattice-shaped ground improvements.

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

Research output: Contribution to journalArticle

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

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

Research output: Contribution to journalArticle

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 Sep 1, In : Deformation Characteristics of Geomaterials. 1, p. 27-50

Research output: Contribution to journalArticle

Size effect on bending strength of cement-treated soils.

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

Research output: Contribution to journalArticle

1 Citation (Scopus)

Statistical analysis for evaluating cyclic strength of cement-treated soils

Namikawa, T., Suzuki, Y., Onimaru, S., Tsukahara, T., Kurosawa, R. & Shimada, K., 2016 Jul 28, (Accepted/In press) In : Soils and Foundations.

Research output: Contribution to journalArticle

Soil cement
loading test
cyclic loading
Regression analysis
Statistical methods

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 Jun 1, In : Doboku Gakkai Ronbunshuu C. 764, p. 367-372

Research output: Contribution to journalArticle

Bentonite
Mechanical properties
Radioactive waste disposal
Constitutive models

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

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

Research output: Contribution to journalArticle

Soil cement
cements
Cements
Compaction
soils