overflow cofferdam 中文意思是什麼
overflow cofferdam
解釋
過水圍堰-
Overflow cofferdam and iversion tunnel are used offen to diverse the flow especialy where or the river discharge changing widely. there are many rivers in mountainous area in our country, so this kind of cofferdam is used relatively frequently in river divertion during construction
過水圍堰和導流隧洞相結合的導流方式對于流量季節性變化懸殊的河流具有一定的適用性。我國的山區性河流較多，因此這種圍堰過流的導流方式在施工導流工程中較為常用。 -
From the engineering practice in instability and failure of protective facing of overflow rock fill cofferdam, this article discussed the causes of formation of instability and failure of wire - caged protective facing and analyzed the primary factors and critical conditions of instability and failure based on model experiments
摘要從過水堆石圍堰護面失穩破壞的工程實踐出發，探討了鉛絲籠護面失穩破壞的成因，在模型試驗的基礎上，分析了影響鉛絲籠護面穩定的主要因素及失穩破壞的臨界水力條件。
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