Method for Calculating Rock Plug Safe Thickness in Karst Tunnels
XIONG Zhanhui
Journal of Jishou University（Natural Sciences Edition) . 2016, (4): 25 -28 .  DOI: 10.3969/j.cnki.jdxb.2016.04.006

Copyright © 2021 Editorial Department of Journal of Jishou University（Natural Sciences）
Add. :120 South Renmin Road,Jishou,Hunan 416000,P. R. China
Tel. (86)-743-8563684 email:jdxbziran@jsu.edu.cn  https://zkxb.jsu.edu.cn
Technical Support:Beijing Magtech Co., Ltd.
WeChat e-book chaoxing Mobile QQ