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详细信息

寺垭河铁路双线隧道

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日期:2013-06-04  作者:  来源:  浏览:15703      【

 

 

 

寺垭河铁路双线隧道位于阳平关东站,嘉陵江右岸,穿越银屏山,隧道埋深5~235米,地形起伏、冲沟较多,隧道穿过地层以绢云母岩为主,层理结构发育,极易风化。地下水以基岩裂隙为主,孔隙潜水次之,水量不大。出口端SDK264+891~SKD265+206米,长315米。其中双线单拱段198米,双连拱段63米,双拱段54米,高度8.4米,该面位于半径为1000米及2000米曲线上,呈Y字型,洞内双侧水沟及电缆沟,衬砌为曲墙仰拱,洞门为挡翼墙双线洞门。该工程于1999年8月开工,2000年4月完工。

 

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