Výsledky vyhledávání - "Hiroyuki KYOKAWA"

Akademický článek

Water and soil particle movement in unsaturated bentonite with constrained and free swelling boundaries

Autor: Hailong Wang, Yuka Yamamoto, Hiroyuki Kyokawa, Daichi Ito, Hideo Komine

Publikováno v: Soils and Foundations, Vol 63, Iss 4, Pp 101350- (2023)

Bentonite is considered a barrier material in the geological disposal of high-level radioactive waste. Depending on the construction method, it is necessary to know what the behavior of the bentonite barrier will be in the wetting process during the

Externí odkaz: https://doaj.org/article/1ed6ebc357e348a9bd1c9e0fbe69a8ad

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Akademický článek

Linking inherent anisotropy with liquefaction phenomena of granular materials by means of DEM analysis

Autor: Masahide Otsubo, Sanjei Chitravel, Reiko Kuwano, Kevin J. Hanley, Hiroyuki Kyokawa, Junichi Koseki

Publikováno v: Soils and Foundations, Vol 62, Iss 5, Pp 101202- (2022)

The liquefaction phenomena of sands have been studied by many researchers to date. Laboratory element tests have revealed key factors that govern liquefaction phenomena, such as relative density, particle size distribution, and grain shape. However,

Externí odkaz: https://doaj.org/article/a54122b42b044ea984440fea8ba3ed81

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Experimental investigation of local chemo-mechanical behaviour and temporal development of osmotic consolidation in expansive clay

Autor: Misa Hiraga, Hiroyuki Kyokawa, Junichi Koseki

Publikováno v: Canadian Geotechnical Journal. 60:611-622

A series of one-dimensional cation infiltration tests under different drainage/infiltration conditions, infiltration times, ion concentrations (Na+), and vertical stresses were performed to comprehensively understand the osmotic consolidation of bent

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e0b15483238c787c6730767d86fd6e50
https://doi.org/10.1139/cgj-2021-0568

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Mechanical behaviour and loading rate dependency of gypsum-mixed fine-grained soils

Autor: Hiroyuki Kyokawa, Junichi Koseki, Zain Maqsood, Md. Kamrul Ahsan, Masum Shaikh

Publikováno v: Proceedings of the Institution of Civil Engineers - Geotechnical Engineering. 176:166-177

Gypsum is regarded as an environmentally friendly binding material and is widely used to enhance the engineering properties of soft fine-grained soils. However, the time-dependent strength and deformation characteristics of fine-grained soils stabili

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d609858b5dcab22015f6de5a8c38f7ef
https://doi.org/10.1680/jgeen.21.00057

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