四川桃巴高速公路南江3号隧道施工方法数值仿真比选
Journal of Lanzhou Jiaotong University（2013）
Abstract
考虑四川桃巴高速公路南江3号隧道不同施工方法的围岩和隧道支护结构的力学问题,基于Ansys数值软件建立三维模型并动态模拟全断面法和台阶法的开挖过程,通过地表沉降、拱顶下沉、围岩应力、初期支护应力和围岩强度发挥系数等参数的对比分析,得出全断面法为较优方案,可供隧道施工参考.
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Key words
benching tunneling method,highway tunnel,finite element simulation,whole section method
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