锁定梁在变质粉砂岩夹碳质板岩洞段开挖中的应用

ISSN 1671-1092　CN 33-1260/TK

涂小兵，刘明生，胡建勋,羊樟发

Application of lock beam in excavation of tunnel of metamorphic siltstone with carbonaceous slate

TU Xiao- bing, LIU Ming- sheng, HU Jian- xun and YANG Zhang-fa

大坝与安全 . 2017, (4): 63 .