滥泥坪铜矿三维地应力测量及巷道布置优化研究
谢也真,曹平,陈昊然

Three-dimensional In-situ Stress Measurement and Optimization of Roadway Layout in Lanniping Copper Mine
Yezhen XIE,Ping CAO,Haoran CHEN
图4 围压加载试验曲线
Fig.4 Test curves of confining pressure with average value of strains