隧道下伏溶洞顶板安全厚度确定方法
刘波, 肖红飞
Method for determining safe thickness of cave roofs under a tunnel
LIU Bo, XIAO Hongfei
中国安全科学学报 . 2019, (4): 104 -111 .  DOI: 10.16265/j.cnki.issn1003-3033.2019.04.017