摘要
针对湖北鸦来公路沙子垭隧道在不同施工方法下围岩和隧道支护结构的力学问题,运用有限元的方法对双侧壁导洞开挖法和台阶开挖法进行了动态数值模拟,建立了在不同施工工序下围岩的应力场、位移场,并对这2种施工方法进行了比较,得出采用台阶法开挖的方案较优。
Based on the Shaziya tunnel engineering of the Yalai highway in Hubei province, the me- chanics problem of the surrounding rock and the supporting with different construction methods are studied. The excavating procedure of twin side heading and benching tunneling has been simulated nu- merically by the finite element method （FEM）. ing rock is suggested under the different order ods, the scheme of benching tunneling is much The field of stress and displacement in the surround- of the construction. By comparison of the two meth- better than that of the twin side heading.
出处
《交通科技》
2012年第4期62-65,共4页
Transportation Science & Technology
