老庄1号和2号隧道洞口受力分析及进洞方法

摘要

Combining with the geological features of Laozhuang No. 1 and No. 2 Tunnel projects along Zhangjiajie-Huayuan Expressway, under takes the stressed analysis of the two tunnel portals, identifies the respective entrance excavation methods according to the analysis of the calcula tion, and has the factual illustration, so as to provide the reference for the construction of similar tunnel projects in future.%结合张家界一花垣高速老庄1号、2号隧道工程地质特点，对两隧道洞口进行了受力分析，根据计算分析结果确定了相应的进洞方法，并分别作了具体阐述，为今后同类隧道工程施工提供了借鉴。