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limestone gorges
相关语句
  相似匹配句对
     limestone--shale.
     灰岩—页岩型。
短句来源
     shale--limestone;
     页岩—灰岩型;
短句来源
     Three Gorges
     涨水以前抢行三峡
短句来源
     ANALYSIS ON CATASTROPH BY KARST WEATHERING OF MARLY LIMESTONE IN POPULATION RESETTLEMENT REGION OF THE THREE GORGES
     三峡移民安置区泥灰质岩岩溶风化灾变性分析
短句来源
     Three Gorges Dam
     太空看中国·长江三峡水坝
短句来源
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The tailrace of the Wujangdu Hydroelectric Project is a natural river course of the Wujiang River without energy dissipator downstream for scour protection. It is located in a deep and narrow Limestone gorge with steep slope on both banks, where the Karst is not well developed. The original conditions of the flow and riverbed have been greatly changed by damming. The available observations on the river valley cross section were used for preliminary studies of the energy dissipation and excessive scour...

The tailrace of the Wujangdu Hydroelectric Project is a natural river course of the Wujiang River without energy dissipator downstream for scour protection. It is located in a deep and narrow Limestone gorge with steep slope on both banks, where the Karst is not well developed. The original conditions of the flow and riverbed have been greatly changed by damming. The available observations on the river valley cross section were used for preliminary studies of the energy dissipation and excessive scour problems in the tailrace caused by flood discharging. The possibilities of the damage to the bank slopes of the river valley resulted from scouring and rock block deposit at the fail of the tailrace due to discharging floods are emphasized and some suggestions are briefly described.

乌江渡电站尾水渠为天然河道,未设防冲消能建筑。该河段为灰岩峡谷,岩溶不甚发育。河谷两岸陡壁高悬、河床深切。由于大坝拦河,改变了天然的水流状态和河床面貌。本文以现有断面观测成果,对泄洪消能以及剩余水能冲刷尾水河床,作了初步分析。强调指出泄洪水能给予岸坡的冲刷破坏、尾水渠末端淤积可能性,并提出一些初步的、不一定成熟的想法。

 
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