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VolF26Šª
”NF 1995”N
•ÅF 296-300•Å
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ŒfÚŽGŽi‰pjF PROCEEDINGS OF THE SYMPOSIUM OF ROCK MECHANICS
’˜ŽÒi‰pjF Hiroshi CHIKAHISA, Kaoru KOBAYASHI, Kazunobu MATSUMOTO, Masayuki TSUTSUI, Shunsuke SAKURAI tmd Sh unsukc SAKURAI
ƒ^ƒCƒgƒ‹i‰pjF ESTIMATION OF STABILITY OF ROCK MASSES SURROUNDING THE UNDERGROUND EXHIBITION HALL AT THE TIME OF EARTHQUAKE
´˜^i‰pjF In Japan, there is the first plan of art museum using underground opening, Takayama Festival Yatai (Float Art) Museum, which has cupola ceiling over exhibition hall of 40,5m wide built in the shallow overburden of 30m and tunnel shape art gallery of excavation section 100m' and 70m length. It was not anxious keenly about the stability or the safety of rock masses surrounding underground openings, for example, underground power stations, rock storages for petroleum and subsurface utilities and so on because a lot of the openings was build in deep overburden and good rock masses surrounding has excellent characteristics reducing vibration to seismic activity. In this project, the dynamic seismic response analysis was executed to examine the stability of underground opening completed because of large scale opening excavated and shallow overburden. This paper describes the analysis and results for the design of underground opening which was executed to examine the stability of rock masses surrounding at the time of earthquake.
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