File:後池.png

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中文(臺灣):戰後,桃園大圳參加石門水庫多目標工程建設,目的在爭取可靠水源。對本會而言,最主要的設施是渠首工攔水工程,也就是後池堰、進水口和排沙閘。 後池之功用在儲存石門電廠尖峰發電尾水,供應桃園大圳和下游灌區灌溉的需要。二個灌區的24小時調節容量約1,900,000立方公尺。後池由攔河的後池堰截水攔蓄而形成,實際有效蓄水量2,200,000立方公尺。 後池堰位於大壩軸線下游1.8公里處,分為混凝土溢流段和土石非溢流段。溢流段淨溢流長359.91公尺,採用混凝土臥箕式溢流堰,堰頂標高137公尺,上有堰頂橋,在排洩最大洪水流量10,000秒立方公尺時,後池水面還不致於漫溢堰頂橋,而在電廠附近的回水線在標高143公尺以下,可使開關場和環池道路不致有受水浸之患。土石段設計部分,中央為不透水土心層,兩側為透水性良好的礫石殼層,堰頂標高142.5公尺。後池堰頂橋採用混凝土預力樑建造,溝通後池兩岸,並跟環池道路連接,以利運輸維護和觀光發展。
Source https://memory.culture.tw/Home/Detail?Id=192663&IndexCode=Culture_Place
Author 創作者:林煒舒。貢獻者:桃園市政府
Camera location24° 49′ 25.02″ N, 121° 15′ 08.4″ E Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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This file is licensed under the Creative Commons Attribution 3.0 Taiwan license.
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current06:28, 13 April 2022Thumbnail for version as of 06:28, 13 April 20223,500 × 2,322 (9.01 MB)Muyueh Bot (talk | contribs)

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