爆破开挖过程中厂房围岩松动圈测试与分析

张新辉尹健民任贤斌

Test and analysis of loose circle of powerhouse's surrounding rock in blasting excavation

人民长江 . 2015, (11): 36 -39 . DOI: 10.16232/j.cnki.1001-4179.2015.11.009