太行山隧道进口浅埋围岩段开挖支护技术

Supporting Technology for Shallow Rock Excavation at the Entrance of Taihangshan Tunnel

主要介绍太行山隧道进口浅埋围岩段开挖与支护技术,新技术、新工艺、新机具、新材料“四新”技术在该围岩段的应用,以及通过监控量测对围岩开挖支护参数进行调整和修正,优化施工方案,指导施工。

This paper mainly introduces the excavation and supporting technology for the shallow rock area at the entrance of Taihangshan Tunnel, emphasizing the application of new technique, technology, new machine and new materials. The paper also explains how to adjust and amend the excavation and support parameters through monitoring observations to improve the construction plan and guide the construction.