Zobrazeno 1 - 10 of 68 pro vyhledávání: '"Toshihiro ASAKURA"'
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Akademický článek
Mechanical Stability Evaluation of Water-sealed Type Underground Rock Cavern Using Tilt Response to Gas Pressure Change in Cavern
Autor: Satoshi HIROOKA, Tatsuya YAMAGUCHI, Toshifumi WATABE, Nobuya YAMAMOTO, Kunihiro JODAI, Naotoshi YASUDA, Kazuhiko TSUKADA, Katsuaki KOIKE, Toshihiro ASAKURA
Publikováno v: Journal of MMIJ, Vol 133, Iss 5, Pp 98-106 (2017)
In addition to hydrological characterization of water-sealed type underground rock caverns, their mechanical stability is constantly monitored by measuring several properties, such as earthquake-induced vibration, strain, and tilt. Among them, tilt m
Externí odkaz: https://doaj.org/article/eba41207390c403eb9164dd6c41cbe42
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2
Three-dimensional seismic response of a cylindrical tunnel with voids behind the lining
Autor: Kazuhiko Tsukada, Toshihiro Asakura, Naotoshi Yasuda
Publikováno v: Tunnelling and Underground Space Technology. 84:399-412
Past experiences in Japan have suggested a high correlation between the presence of voids behind the tunnel lining and seismic damage of tunnels. To confirm this correlation from a theoretical perspective, this study derives three-dimensional elastic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e2e6106c81d4636a0bdeffb69622bc7
https://doi.org/10.1016/j.tust.2018.11.026
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4
Seismic response of a cylindrical tunnel with construction joints subjected to longitudinal ground displacement
Autor: Toshihiro Asakura, Naotoshi Yasuda
Publikováno v: Tunnelling and Underground Space Technology. 102
A seismic response analysis for a mountain tunnel is often two-dimensional, using the tunnel cross-section. However, responses in the longitudinal direction should not be neglected, especially when considering the tunnel lining damage that has been c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e249c360f2863fa47a916b8fd29445a5
http://hdl.handle.net/2433/252789
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5
Elastic solutions for circular tunnel with void behind lining
Autor: Toshihiro Asakura, Kazuhiko Tsukada, Naotoshi Yasuda
Publikováno v: Tunnelling and Underground Space Technology. 70:274-285
Tunnels in Japan, many of which had been constructed using conventional tunneling methods, often have partial separations, or voids, between the lining and the ground. These defects may induce undesirable deformation and stress in the lining. In this
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::76b48e22aab00c4bac54afefbb64662b
https://doi.org/10.1016/j.tust.2017.08.032
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6
Mechanical Stability Evaluation of Water-sealed Type Underground Rock Cavern Using Tilt Response to Gas Pressure Change in Cavern
Autor: Toshihiro Asakura, Kazuhiko Tsukada, Toshifumi Watabe, Katsuaki Koike, Kunihiro Jodai, Naotoshi Yasuda, Nobuya Yamamoto, Satoshi Hirooka, Tatsuya Yamaguchi
Publikováno v: Journal of MMIJ. 133(5):98-106
In addition to hydrological characterization of water-sealed type underground rock caverns, their mechanical stability is constantly monitored by measuring several properties, such as earthquake-induced vibration, strain, and tilt. Among them, tilt m
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6d4d6f094a09a4886a9c2ee8a83e569
http://hdl.handle.net/2433/234977
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7
EVALUATION OF SOUNDNESS IN THE LONG UNDERSEA TUNNEL BASED ON LONG TERM CONVERGENCE MEASUREMENT AND MEASUREMENT OF LINING STRESS
Autor: Naotoshi Yasuda, Hiroaki Kobayashi, Naritoshi Fukazawa, Toshihiro Asakura, Kenji Mitani, Shinichiro Hari
Publikováno v: Journal of Japan Society of Civil Engineers, Ser. F1 (Tunnel Engineering). 72:1-10
Seikan Tunnel is in special condition that is under the seabed. So the lining concrete is not affected by water pressure directly as the surrounding areas of the tunnel were grouted the waterproof zone. In this paper, the current soundness of the lin
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9f7b46144f47ebf8e758f11b27da0db5
https://doi.org/10.2208/jscejte.72.1
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10
A CONSIDERATION OF SEISMIC DAMAGE MECHANISMS OF MOUNTAIN TUNNEL BASED ON THREE-DIMENSIONAL ELASTODYNAMICS
Autor: Kazuhiko Tsukada, Naotoshi Yasuda, Toshihiro Asakura
Publikováno v: Journal of Japan Society of Civil Engineers, Ser. F1 (Tunnel Engineering). 70:1-14
Three-dimensional behavior of a cylindrical tunnel under an oblique incidence of seismic wave was theoretically analyzed. The lined structure is assumed to be a thick-walled elastic cylinder embedded in an infinite elastic medium and the seismic wave
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::df6ff76a3c97e5c8b4d81f8e5f9a7b3f
https://doi.org/10.2208/jscejte.70.1
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