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標題: 霧社水庫右山脊板岩邊坡變形調查及修復工程設計
Investigation and Repair Design of the Slate Slope De-formation Zone on the Right Ridge of Wu-She Dam
作者: 李嶸泰
Lee, Jung-Tai
Chiang, Chen-En
Huang, Chung-Ren
Hsu, Chia-Sheng
Kang, Hung-Cheng
關鍵字: 豪雨 ;Heavy rainfall; 潛變 ; 地質調查 ; 邊坡穩定;long-term creep;geological investigation;slope stability
出版社: 台北市:中華水土保持學會
Project: 中華水土保持學報, Volume 43, Issue 4, Page(s) 346-358.
民國95年6月連續豪雨,造成霧社水庫長期潛變 (creep) 之右山脊表層沉陷位移、部份格梁地錨開裂、路面下陷、電廠入口邊坡崩塌等多項災害。經地質調查後發現,右山脊岩層係由板岩所組成,惟因風化及解壓程度不一造成其中部分板岩岩質堅硬緻密,而部分之板岩則岩質軟弱。


The heavy rainfall in Wu-She area on June 2006 caused surface settlement, cracks on anchor cells, surface subsidence, and slope failure on the right ridge of Wu-She reservoir, which had suffered a long-term creep in the past. The geological investigation showed the right ridge of Wu-She reservoir was composed of slate. Due to different weathering and different pressure release levels, parts of the slate were a hard and dense rock, but some parts were very weak. From monitoring records analysis and considering the pros and cons of the various slope stability methods, a rehabilitation project including drainage tunnels, pile wall, surface drainage, maintenance, reinforcement of tunnel spillway and river bank repair, is proposed.
Appears in Collections:第43卷 第04期

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