Výsledky vyhledávání - "Yuji Ushiwatari"

Loading rate dependence of granular cushion under rockfall impact and proposal of an analytical model for impact force estimation

Autor: Naoto Naito, Kenichi Maeda, Hisashi Konno, Yuji Ushiwatari, Kentaro Suzuki, Ryoji Kawase

Publikováno v: Acta Geotechnica. 18:1463-1477

The cushioning behaviour of granular materials, such as sand and gravel, has been studied for the rational design and performance evaluation of a rock shed intended for rockfall protection. The shape of the collision surface of a falling mass strongl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::be67b4477a3637ee1efde29859f0c7da
https://doi.org/10.1007/s11440-022-01641-2

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Rockfall impacts on sand cushions with different soil mechanical characteristics using discrete element method

Autor: Hisashi Konno, Ryoji Kawase, Kentaro Suzuki, Naoto Naito, Yuji Ushiwatari, Kenichi Maeda

Publikováno v: Soils and Foundations. 60:384-397

The cushioning behavior of materials, such as sand, is numerically studied using a discrete element method (DEM) for the rational design and performance evaluation of a rock shed intended for rockfall protection. Several of the numerical analysis stu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f07585b799ebae197c7c9a9b104d12cb
https://doi.org/10.1016/j.sandf.2020.02.008

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Numerical Simulations of Rockfall Protection Retaining Wall Joined to Steel-Pile Foundation

Autor: Shin Ya Omote, Yuji Ushiwatari, Satoru Yamaguchi, Hisashi Konno, Hiroaki Nishi, Norimitsu Kishi

Publikováno v: Applied Mechanics and Materials. 82:716-721

In Japan, many rockfall protection walls have been constructed along the nationalhighways in mountainous areas. Up till now, usually these were gravity-type walls. However, ifthere is not much space between the wall and the edge of the cliﬀ, it may

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cb392482a6cea9b49ecd18b93e35abeb
https://doi.org/10.4028/www.scientific.net/amm.82.716

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