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本文拟采用荷载结构法,研究分岔隧道大拱段衬砌的荷载确定方法和简化计算方法。1大拱隧道衬砌的荷载分岔隧道洞口段大拱(全幅高速公路隧道)的开挖跨度达到24~25m,比标准的四车道高速公路
This paper intends to adopt the load structure method to study the load determination method and simplified calculation method of the large arch lining in the bifurcated tunnel. A large arch tunnel lining of the load bifurcation tunnel entrance arch (full width highway tunnel) excavation span of 24 ~ 25m, than the standard four-lane highway