隧道软弱断层破碎带施工控制技术研究

Study on the Controlling Technology for Tunnel Construction in Soft and Weak Fault Fracture Zone

摘要:

以正阳隧道软弱断层破碎洞段为研究对象，分析了施工过程中出现的坍方、拱顶落石、掌子面涌泥、支护开裂剥落等造成施工障碍的工程难题，结合隧道所处地质条件、地理位置及施工措施等因素拟定安全施工控制技术方案，施工实践效果良好，可供同类工程参考。

Abstract:

With the case of a soft and weak fault breaking segment of Zhengyang tunnel, the study was made on the construction problems of collapse, rock falling from the arch, slurry squeezing out from tunnel face and lining fissuring. Considering the geological conditions, geography position and the construction measures, a controlling technology scheme was made for safe tunnel construction with good practical effects.