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Processing Analysis on Roadbed and Subgrade Instability Caused by Underground Cavity and River in Karst Area
Author(s): 
Pages: 122-125,130
Year: Issue:  S1
Journal: Underground Space

Keyword:  岩溶地区 路基工程 地下洞河 失稳 数值模拟 工程处治;
Abstract: 在我国的中西部地区,岩溶发育,分布着大量的岩溶洞穴;同时这些地区因地下矿产资源丰富,由于其地下开采历史悠久,以致于这些地区岩溶洞穴分布较广。本文依托昌金高速某段的岩溶塌陷进行了数值模拟,并结合塌陷段模拟分析所得的岩土体参数对邻近未塌陷段的二个处治方案进行了处治工程效果的数值模拟分析,为方案比选提供依据,对岩溶洞穴地区道路建设具有一定的指导与借鉴意义。
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