Measures to Ensure Rapid Boring of Open TBM Based on “4M+1E” Factors
XU Zan1, XIE Peicai2
(1. The 2nd Engineering Co., Ltd. of China Railway Tunnel Group, Sanhe 065201, Hebei, China; 2. Control Department of Luoyang Municipal Drainage Pumping Station, Luoyang 471000, Henan, China)