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MECHANISM OF SLOPE FAILURE DURING HEAVY RAINFALL IN NAGASAKI JULY 1982
http://hdl.handle.net/10069/16797
http://hdl.handle.net/10069/16797f9dd72a3-e75f-4033-9fae-2eceb407bd29
名前 / ファイル | ライセンス | アクション |
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NDS_8_1_55.pdf (1.7 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-04-28 | |||||
タイトル | ||||||
タイトル | MECHANISM OF SLOPE FAILURE DURING HEAVY RAINFALL IN NAGASAKI JULY 1982 | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | seepage | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | seepage force | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | slope disaster | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | finite element analysis | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Iseda, Tetsuya
× Iseda, Tetsuya× Tanabashi, Yoshihiko |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | On July 23,1982,299 human lives were lost in Nagasaki Prefecture due to localized heavy rainfall, nearly 90% of which were due to sediment disaster. So, it is important to clarify a mechanism of slope failure during heavy rainfall for sediment disaster prevention. In this paper, we firstly carry out a model experiment of slope failure due to infiltration and observe a phenomenon in progressive failure of slope. Secondly, we apply a finite element analysis which is divided into two stages, i.e. a saturated-unsaturated seepage flow analysis and a stability analysis taking into account the seepage force and the reduction of strength due to the rise in the degree of saturation, to two actually failured slope in Nagasaki city. And we check their failure under the conditions of preceding rainfall, rainfall on the day of failure, topography, geology and so on. Finally, we have clarified a mechanism of slope failure during heavy rainfall and shown that slope failure can be predicted if a rise in the groundwater table can be detected. | |||||
書誌情報 |
Natural disaster science 巻 8, 号 1, p. 55-84, 発行日 1986 |
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出版者 | ||||||
出版者 | 日本自然災害学会 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 03884090 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10468285 | |||||
権利 | ||||||
権利情報 | 日本自然災害学会 | |||||
権利 | ||||||
権利情報 | 本文データは学協会の許諾に基づきCiNiiから複製したものである | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Natural disaster science. 1986, 8(1), p.55-84 |