TY - Journal of Yangtze River Scientific Research Institute A1 - ZHANG Zhi-yong, ZHUO Li, XIAO Ming-li, XIE Hong-qiang T1 - Equivalent Elastic Resistant Coefficient of Surrounding Rock inTunnel and Its Influence Factors Y1 - 2017-09-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 86 EP - 90 VL - 34 IS - 9 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20160636 ER -