Pretreatment of Bedrock Intruding into Shield Tunneling Scope by means of Blasting Hole Drilling from Ground Surface and Blasting Underground

DING Rui, LU Yaobang, DANG Rujiao, LI Yang

Tunnel Construction . 2013, (3): 224 -230 . DOI: 10.3973/j.issn.1672-741X.2013.03.010