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Please use this identifier to cite or link to this item: http://hdl.handle.net/11133/1585

Title: フィルダムの地震時における水理破壊現象に関する研究
Other Titles: フィルダム ノ ジシンジ ニオケル スイリハカイゲンショウ ニカンスル ケンキュウ 
Hydraulic Fracturing in Fill-type Dams during Earthquake
Authors: 大根, 義男
成田, 国朝
中村, 吉男
村瀬, 裕司
OHNE, Yoshio
NARITA, Kunitomo
NAKAMURA, Yoshio
MURASE, Yuji
Keywords: hydraulic fracturing
earthquake
hydraulic gradient
dynamic analysis
stress ratio
Issue Date: 30-Jun-2000
Publisher: 愛知工業大学
Abstract: In addition to the safety against sliding failure of embankment slopes, safety against internal erosion caused by hydraulic fracturing has been another important issues to be discussed in the seismic resistant design of fill*type dams. This paper concerns the mechanism and its possibility of occurrence of hydraulic fracturing in earth and rock fill dams during earthquake. Laboratory seepage fracture tests were conducted on erosive soils under various conditions of water pressure and confining stresses to know what are to be influential factors on seepage failure, and FEM dynamic response analysis was made for different cases of embankment configuration to study the extent of damages and development process of hydraulic fracturing during earthquake.
URI: http://hdl.handle.net/11133/1585
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