- 期刊
石門水庫集水區增設防砂設施探討
The Evaluation of Installing Addtional Structure in the Shihmen Reservoir Watershed
並列摘要
The typhoon Aere struck Taiwan in 2004 and influenced the functionality of Shihmen reservoir due to the sediment yield in the upstream watersheds. In order to maintain the reservoir function, this study investigated the best locations of sedimentation facilities for future sedimentation removed. After comparing various kinds of factors, the most suitable position is located between Sikou suspension bridge and Lofu bridge, where have the advantages of good deposits ability and lower cost on cleaning silt. The suitable dam type is the permeable pile dike, that needs NT $182 million of the engineering cost. After the project completion, the sedimentation structure can deposit 450 thousand cubic meters of sediment. If the remove dredging 400,000 thousand cubic meters of silt is about 100 million every year, The ratio of benefit to cost is 1.82.
延伸閱讀
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- 許振崑、林伯勳、洪世勳、冀樹勇、邱世宜、鐘啟榮（2012）。石門水庫集水區防砂設施囚砂量調查及淤砂坡降評估。水保技術，7(3)，162-172。https://doi.org/10.30040/JSWCT.201207.0004
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