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
表4 滥泥坪矿区各岩层岩石力学参数
Table 4 Rock mechanics parameters of each stratum in Lanniping mining erea
参数名称陡山沱(白云岩)落雪一段(白云岩)落雪二段(白云岩)因民三段(白云岩)辉长岩(白云岩)矿体断层
天然重度γ/(kN·m-328.127.928.027.929.128.623.0
岩体抗剪强度c/kPa8751 7121 93617 941 7941 336120
内摩擦角φ/(°)31.9833.1235.1933.2232.927.120.3
泊松比0.210.230.210.220.190.250.39
弹性模量/GPa3.24.75.44.73.83.40.07
抗压强度/MPa13.918.420.316.415.914.73.0
抗拉强度/MPa1.51.61.91.81.71.10.1