Discussion on Construction Technology of Long Pipe-shed Pre-reinforcement for Tunnel and Feature Requirement of Drilling Machine

Abstract:

With the construction case of 65 m long pipe-shed pre-reinforcement, the paper introduced the construction technology of long pipe-shed whh Haiwangxing - 508 drilling machine, and discussed the feature requirement of drilling machine in the construction.

Key words:long pipe-shed pre-reinforcement; tunnel; soft surrounding rock ; Haiwangxin- 508 drilling machine