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研究成果 1994 2019

  • 183 引用
  • 8 h指数
  • 37 Article
  • 8 Conference contribution
  • 1 Conference article
2019
Soil cement
soil strength
cement
Quality assurance
deep mixing method
2018
Soil cement
cements
Cements
Compaction
soils
2017

Cyclic Unconfined Compression Test of Cement-Treated Soils

Namikawa, T., Suzuki, Y., Onimaru, S., Tsukamoto, T., Kurosawa, R. & Shimada, K., 2017 1 1, : : Geotechnical Special Publication. 289 GSP, p. 259-268 10 p.

研究成果: Conference article

Soil cement
Linear regression
cement
compression
loading test
4 引用 (Scopus)

Failure behavior of cement-treated soil under triaxial tension conditions

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

研究成果: Article

Soil cement
cement
confining pressure
soil
Failure modes
1 引用 (Scopus)

Influence of pulling out existing piles on the surrounding ground

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

研究成果: Article

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

研究成果: Article

Tensile strength
experimental study
Rocks
Stress-strain curves
rock
2016
14 引用 (Scopus)
probability analysis
cement
soil column
finite element analysis
autocorrelation
1 引用 (Scopus)

Statistical analysis for evaluating cyclic strength of cement-treated soils

Namikawa, T., Suzuki, Y., Onimaru, S., Tsukahara, T., Kurosawa, R. & Shimada, K., 2016 7 28, (Accepted/In press) : : Soils and Foundations.

研究成果: Article

Soil cement
loading test
cyclic loading
Regression analysis
Statistical methods
2015

Simulation analysis of grid-form ground improvement for preventing liquefaction among existing small houses

Tsukuni, S. & Namikawa, T., 2015, Computer Methods and Recent Advances in Geomechanics - Proceedings of the 14th Int. Conference of International Association for Computer Methods and Recent Advances in Geomechanics, IACMAG 2014. Taylor and Francis - Balkema, p. 631-636 6 p.

研究成果: Conference contribution

ground improvement
Liquefaction
liquefaction
simulation
road
2014
1 引用 (Scopus)
Soil cement
compressive strength
cements
Compressive strength
Cements

Finite element analysis of compression behavior of ground improvement with spatial variability

Namikawa, T., 2014, Geotechnical Safety and Risk IV - Proceedings of the 4th International Symposium on Geotechnical Safety and Risk, ISGSR 2013. p. 169-174 6 p.

研究成果: Conference contribution

Soil cement
ground improvement
cement
compression
soil column
2013
28 引用 (Scopus)
Autocorrelation
Cements
cement
Compaction
autocorrelation
2011

Numerical investigation of spatial distribution of deformation in granular media

Namikawa, T., 2011, Computer Methods for Geomechanics: Frontiers and New Applications. 巻 1. p. 381-386 6 p.

研究成果: Conference contribution

granular medium
Autocorrelation
autocorrelation
Spatial distribution
spatial distribution

Numerical study of failure behavior of cement-treated column with spatial variability

Namikawa, T., 2011, 14th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering.

研究成果: Conference contribution

cement
Cements
Soils
soil strength
soil heterogeneity
2010

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

Koseki, J. & Namikawa, T., 2010, Geotechnical Society of Singapore - International Symposium on Ground Improvement Technologies and Case Histories, ISGI'09. p. 257-262 6 p.

研究成果: Conference contribution

ground improvement
Liquefaction
tensile strength
liquefaction
Cements
1 引用 (Scopus)

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

Namikawa, T. & Koseki, J., 2010, Geotechnical Society of Singapore - International Symposium on Ground Improvement Technologies and Case Histories, ISGI'09. p. 419-424 6 p.

研究成果: Conference contribution

Autocorrelation
autocorrelation
Cements
cement
compression

Size effect on bending strength of cement-treated soils.

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

研究成果: Article

2008
3 引用 (Scopus)

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

Namikawa, T., Koseki, J. & Suzuki, Y., 2008, 12th International Conference on Computer Methods and Advances in Geomechanics 2008. 巻 5. p. 3635-3641 7 p.

研究成果: Conference contribution

Soil cement
Bending tests
soil column
tensile strength
cement

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

研究成果: Article

2007
27 引用 (Scopus)
Cements
cement
Sand
plastic
Plastics
27 引用 (Scopus)
21 引用 (Scopus)
tensile strength
Cements
cement
Tensile strength
Sand
27 引用 (Scopus)
ground improvement
Liquefaction
liquefaction
Cements
cement
2006

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

Namikawa, T., 2006, Physical Modelling in Geotechnics, 6th ICPMG'06 - Proceedings of the 6th International Conference on Physical Modelling in Geotechnics. 巻 1-2. p. 1029-1035 7 p.

研究成果: Conference contribution

Centrifuges
centrifuge
model test
Piles
pile
12 引用 (Scopus)

Experimental determination of softening relations for cement-treated sand

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

研究成果: Article

softening
Shear bands
Cements
cement
Sand
2005

Seismic response analysis of lattice-shaped ground improvements.

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

研究成果: Article

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

研究成果: Article

Bentonite
Mechanical properties
Radioactive waste disposal
Constitutive models
2002

Application to building foundation.

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

研究成果: Article

2001
11 引用 (Scopus)
time dependent behavior
plastic
Plastics
Clay
creep