TY - Journal of Yangtze River Scientific Research Institute A1 - REN Xiu-wen, PENG Hai-you, YANG Le, SHANG Hong-guang, HU Xiao-jun, FENG Fan T1 - System for Evaluating Geological Environment Negative Effect in Chongqing Tunnel Engineering Construction Process Y1 - 2016-07-25 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 109 EP - 113 VL - 33 IS - 8 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20150806 ER -