ANSYS software simulation of the arch tunnel excavation and support structures of the finite element method were researched.
对ANSYS软件模拟连拱隧道开挖及支护结构的有限元理论进行了研究。
Bifurcated tunnel is one of the new type tunnels, the excavation way and support style are key factors to the rock stability.
分岔隧道是一种新型的隧道结构形式，其设计方案、开挖支护方法对围岩稳定性至关重要。
Due to support or increased excavation volume caused by lining, Party a shall measure again and converted it to total length of the tunnel.
因支护或衬砌增加的开挖量由甲方代表按实计量并折算成隧道延米计价。
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