金川二矿区地应力特征及其对巷道变形破坏的影响研究
李光1,2(),马凤山1,2(),郭捷1,2,邹龙3,寇永渊3
Study on Ground Stress Characteristics and Its Influence on Roadway De-formation Failure in Jinchuan No.2 Mining Area
Guang LI1,2(),Fengshan MA1,2(),Jie GUO1,2,Long ZOU3,Yongyuan KOU3

图3. 巷道开挖数值模型示意图

Fig.3. Schematic of numerical model of roadway excavation