大跨浅埋软弱围岩隧道施工工艺

Construction Techniques for Large-span Shallow-embedded Weak Surrounding Rock Tunnel

详细介绍了塘朗山隧道洞口浅埋、软弱围岩段采用中壁法开挖施工的技术要点,以期为同类工程提供了参考。

This paper introduces in detail some technical points of central wall excavation method adopted in the construction of shallow-embedded and weak surrounding rock section of the entrance of Tanglangshan Tunnel for providing references for similar engineering.