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Vol.43, No.4, PP.1-368
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1
Investigating the Effect of Various Seepage Directions on the Mechanism of Slope and Debris Flows by Using Simplified Formulas
43(4):285-292
Darn-Horng Hsiao*
* Corresponding Author. E-mail : hsiaodh@cc.kuas.edu.tw
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2
The Long Term Rainfall Trend and Landslide Distribution in Chishan River Watershed
43(4):293-301
Su-Chin Chen[1] Yu-Hang Chu[2] Chun-Hung Wu[3]*
* Corresponding Author. E-mail : chwu@mail.nchu.edu.tw
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3
A Direct Analytical Approach for Solving Surface and Surface Water Flow on a Hillslope
43(4):302-311
Ping-Cheng Hsieh* Ching-Ya Tang Siou-Yi Hu
* Corresponding Author. E-mail : pchsieh@dragon.nchu.edu.tw
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4
Landscape Aesthetics Quality Estimation Method for Check Dams─Application of the Fuzzy Logic System
43(4):312-322
Szu-Hsien Peng[1]* Huan-Chun Lin[2] Su-Chin Chen[2]
* Corresponding Author. E-mail : shpeng@cc.ctu.edu.tw
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5
Factors Affecting Aeolian Dust Emission in the Downstream of Zhuo-shui River
43(4):323-331
Chao-Yuan Lin* Cheng-Yu Lin
* Corresponding Author. E-mail : cylin@water.nchu.edu.tw
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6
The Establishment of a Landslide Hazard Analysis Model for the Taipei Water Source Domain
43(4):332-345
Su-Chin Chen[1] Chun-Yi Wu[1]* Cheng-Daw Hsieh[2]
* Corresponding Author. E-mail : d9442006@mail.nchu.edu.tw
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7
Investigation and Repair Design of the Slate Slope De-formation Zone on the Right Ridge of Wu-She Dam
43(4):346-358
Jung-Tai Lee[1]* Chen-En Chiang[1] Chung-Ren Huang[1] Chia-Sheng Hsu[2] Hung-Cheng Kang[2]
* Corresponding Author. E-mail : lee2406@mail.sinotech.com.tw
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Investigation and Repair Design of the Slate Slope De-formation Zone on the Right Ridge of Wu-She Dam
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Jung-Tai Lee[1]* Chen-En Chiang[1] Chung-Ren Huang[1] Chia-Sheng Hsu[2] Hung-Cheng Kang[2]

Abstract
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
〔1〕Dept. of Geotechnical Engineering, Sinotech Engineering Consultants, Ltd., Taipei, Taiwan.
〔2〕Dept. of Soil and Water Conservation, Wanta Power Plant, Taiwan Power Company, Nantau, Taiwan.
* Corresponding Author. E-mail : lee2406@mail.sinotech.com.tw
Received: 2011/12/05
Revised: 2012/02/21
Accepted: 2012/03/22
8
The Factors Influencing the Numerical Simulation of the Spectral Analy-sis of the Surface Waves Method
43(4):359-368
Pei-Hsun Tsai [1] Chang-hai Chien[2]* Zheng-yi Feng[2] Yu-ting Lin[2]
* Corresponding Author. E-mail : mikechien@nchu.edu.tw
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