年単位の研究成果
研究成果 1994 2019
2019
Evaluation of statistical uncertainty of cement-treated soil strength using Bayesian approach
Namikawa, T., 2019 1 1, (Accepted/In press) ： : Soils and Foundations.研究成果: Article
Soil cement
soil strength
cement
Quality assurance
deep mixing method
2018
Unconfined compression behavior of cement-treated sample composed of various strength parts
Namikawa, T. & Nakashima, Y., 2018 1 1, ： : Zairyo/Journal of the Society of Materials Science, Japan. 67, 1, p. 42-46 5 p.研究成果: Article
Soil cement
cements
Cements
Compaction
soils
2017
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)
Conditional probabilistic analysis of cement-treated soil column strength
Namikawa, T., 2016 2 1, ： : International Journal of Geomechanics. 16, 1, 04015021.研究成果: Article
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
2014
1
引用
(Scopus)
Evaluation of compressive strength of cement-treated column by numerical simulation with conditional distribution
Namikawa, T., 2014 1, ： : Zairyo/Journal of the Society of Materials Science, Japan. 63, 1, p. 55-60 6 p.研究成果: Article
Soil cement
compressive strength
cements
Compressive strength
Cements
2013
28
引用
(Scopus)
Effects of spatial correlation on the compression behavior of a cement-treated column
Namikawa, T. & Koseki, J., 2013, ： : Journal of Geotechnical and Geoenvironmental Engineering. 139, 8, p. 1346-1359 14 p.研究成果: Article
Autocorrelation
Cements
cement
Compaction
autocorrelation
2012
Characterization of strength variability of cement-treated soil column
T, N., T., N. & Namikawa, T., 2012 9 1, ： : The 4th Central Asian Geotechnical Symposium. CD ROM研究成果: Article
2011
Numerical investigation of spatial distribution of deformation in granular media.
T, N., T., N. & Namikawa, T., 2011 5 10, ： : Computer Methods for Geomechanics Frontiers and New Applications. 1, p. 381-386研究成果: Article
Numerical Study of Bending Strength of Cement-treated Column with Spatial Variability.
T, N., T., N. & Namikawa, T., 2011 11 1, ： : Proceedings of the International Conference on Advances in Geotechnical Engineering. CD ROM, p. 579-586研究成果: Article
Numerical study of compression and tension behaviors of cement-treated column with spatial variability.
T, N., T., N. & Namikawa, T., 2011 5 24, ： : 14th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering. CD ROM研究成果: Article
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, ： : 5th International Conference on Earthquake Geotechnical Engineering. CD ROM研究成果: Article
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, ： : International Symposium on New Technologies for Urban Safety of Mega Cities in Asia. CD ROM研究成果: Article
2009
Behavior of lattice-type ground improvement by cement-mixing for liquefaction mitigation.
J, K., J., K., T., N. & Namikawa, T., 2009 12 1, ： : Ground Improvement Technologies and Case Histories. 1, p. 257-262研究成果: Article
Numerical study of effects of spatial variability on cement-treated column strength.
T, N., T., N., J., K. & Namikawa, T., 2009 12 1, ： : Ground Improvement Technologies and Case Histories. 1, p. 419-424研究成果: Article
Performance evaluation of lattice-shaped ground improvement for liquefaction mitigation.
T, N., T., N., J., K. & Namikawa, T., 2009 6 1, ： : Performance-Based Design in Earthquake Geotechnical Engineering. 1, p. 1169-1176研究成果: Article
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.
T, N., T., N., J., K., Y., S. & Namikawa, T., 2008 10 1, ： : 12th International Conference of the International Association for Computer Methods and Advances in Geomechanics. 1, p. 3635-3641研究成果: Article
Fracture zone deformation of cement-treated sand in plane strain compression tests
T, N., T., N., J., K. & Namikawa, T., 2008 9 1, ： : Deformation Characteristics of Geomaterials. 1, p. 371-376研究成果: Article
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)
Elasto-plastic model for cement-treated sand
Namikawa, T. & Mihira, S., 2007 1, ： : International Journal for Numerical and Analytical Methods in Geomechanics. 31, 1, p. 71-107 37 p.研究成果: Article
Cements
cement
Sand
plastic
Plastics
27
引用
(Scopus)
Elasto-plastic model for cement-treated sand.
T, N., T., N., S., M. & Namikawa, T., 2007 1 1, ： : International Journal for Numerical and analytical Method in Geomechanics. 30, p. 71-107研究成果: Article
21
引用
(Scopus)
Evaluation of tensile strength of cement-treated sand based on several types of laboratory tests
Namikawa, T. & Koseki, J., 2007, ： : Soils and Foundations. 47, 4, p. 657-674 18 p.研究成果: Article
tensile strength
Cements
cement
Tensile strength
Sand
27
引用
(Scopus)
Finite element analysis of lattice-shaped ground improvement by cement-mixing for liquefaction mitigation
Namikawa, T., Koseki, J. & Suzuki, Y., 2007, ： : Soils and Foundations. 47, 3, p. 559-576 18 p.研究成果: Article
ground improvement
Liquefaction
liquefaction
Cements
cement
2006
Centrifuge model tests on soil reaction along a pile in a liquefiable sand layer.
T, N., T., N. & Namikawa, T., 2006 8 1, ： : The 6th Int. Conf. on Physical Modelling in Geomechnics. p. 1029-1035研究成果: Article
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)
Delayed plastic model for time-dependent behaviour of materials
Namikawa, T., 2001 5, ： : International Journal for Numerical and Analytical Methods in Geomechanics. 25, 6, p. 605-627 23 p.研究成果: Article
time dependent behavior
plastic
Plastics
Clay
creep
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, ： : 12th World Conference on Earthquake Engineering. CD ROM研究成果: Article
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, ： : 12th World Conference on Earthquake Engineering,. CD ROM研究成果: Article
Session and workshop report ; Keynote lecture by Prof. Kimura : Development of geotechnical centrifuges in Japan.
T, N. & Namikawa, T., 2000 1 1, ： : Centrifuge 98. 2, p. 1039-1040研究成果: Article
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, ： : The 9th Japan Earthquake Engineering Symposium, 3. p. E307-E312研究成果: Article