官上1#M型曲墙式双连拱隧道施工技术

Construction Technique for Guanshang 1# M-type Curved-wall Twin-arch Tunnel

叙述了官上1#M型曲墙式双连拱隧道在不同围岩类别的设计、施工方案、洞身开挖、钻爆设计、初期支护等方面的内容,旨在为同类型工程的设计和施工提供参考。

This paper expounds the design/construction schemes, tunnel cutting/drilling/blasting design, and initial supporting, etc. of Guanshang 1# M-type curved-wall twin-arch tunnel under the different enclosing rock classes in order to provide some references for the design and construction of the similar type of engineering in the future.