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Finite Element Analysis of Highland Stress on Railway Tunnel
Author(s): 
Pages: 85-88
Year: Issue:  4
Journal: Journal of Gansu Sciences

Keyword:  铁路隧道高地应力大变形有限元数值解;
Abstract: 针对设计为两座单线的隧道,其围岩主要为V级围岩,地下水类型以基岩裂隙水为主.通过采用弹塑性理论及ANSYS有限元分析方法,对实际工程铁路隧道开挖及初期支护过程进行三台阶开挖下的三维仿真模拟分析,并对软岩隧道的初期支护施工的优化提供了改进方案.对比模拟数据与各断面实际量测数据,均在15天左右趋于稳定,结果证明该模型的建立是可行的.所得结果对隧道初期支护施工有一定的参考.
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