公路隧道数值模拟开挖支护浅析
Shanxi Science & Technology of Communications(2008)
Abstract
利用ANSYS有限元分析软件,考虑地应力的逐步释放,对某公路隧道软弱围岩标段的台阶法开挖支护进行了数值模拟,并对围岩和支护体系的变形和受力特点进行了分析,得到了拱顶沉降、洞内水平收敛以及支护结构内力变化规律,这为工程的顺利实施提供了依据和指导,可供类似工程参考。
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Key words
highway tunnel,soft rock,numerical simulation,bench cut method
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