Pretreatment of Bedrock Intruding into Shield Tunneling Scope by means of Blasting Hole Drilling from Ground Surface and Blasting Underground
DING Rui1, LU Yaobang2, DANG Rujiao2, LI Yang2
(1. China Railway Tunnel Group Co., Ltd., Luoyang 471009, Henan, China; 2. Technology Center of China Railway Tunnel Group Co., Ltd., Luoyang 471009, Henan, China)
DING Rui, LU Yaobang, DANG Rujiao, LI Yang. Pretreatment of Bedrock Intruding into Shield Tunneling Scope by means of Blasting Hole Drilling from Ground Surface and Blasting Underground[J]. Tunnel Construction, 2013, 33(3): 224-230.