滨海矿区地应力与岩石力学参数随埋深的变化规律及其相互关系

王玺,马春德,刘兴全,姜明伟,范玉赟

The Variation Law of In-situ Stress and Rock Mechanical Parameters with Buried Depth in Coastal Mining Area and Their Relationship

Xi WANG,Chunde MA,Xingquan LIU,Mingwei JIANG,Yuyun FAN

表2 不同埋深岩芯的力学参数

Table 2 Mechanical parameters of cores at different buried depths

钻孔编号 h/m 样品编号 弹性模量E/GPa 抗压强度σc/MPa 抗拉强度σb/MPa 钻孔编号 h/m 样品编号 弹性模量E/GPa 抗压强度σc/MPa 抗拉强度σb/MPa ZK88-14 300 300-1 35.5 145.3 8.2 ZK94-2 1 500 1500-1 37.2 190.6 13.7 300-2 31.3 143.2 7.3 1500-2 39.3 193.5 15.1 300-3 29.4 138.6 6.5 1500-3 41.2 204.1 16.2 600 600-1 31.0 147.8 9.2 1 600 1600-1 41.3 207.3 15.6 600-2 34.2 152.9 9.7 1600-2 39.0 195.8 15.9 600-3 37.8 163.2 8.8 1600-3 47.5 210.6 17.8 900 900-1 32.0 107.6 9.2 ZK88-21 300 300-1 26.2 112.3 5.4 900-2 37.2 117.3 9.8 300-2 29.7 115.4 6.7 900-3 38.5 120.6 11.3 300-3 31.2 120.3 8.5 1 200 1200-1 40.0 139.7 13.2 600 600-1 35.8 146.5 5.7 1200-2 43.4 145.6 14.7 600-2 27.8 142.1 5.8 1200-3 32.6 130.5 11.7 600-3 39.7 157.2 6.3 1 500 1500-1 40.1 143.6 14.3 900 900-1 31.2 155.7 5.4 1500-2 38.1 140.2 12.2 900-2 35.7 162.8 6.9 1500-3 41.3 150.3 15.3 900-3 40.2 171.9 8.1 ZK94-2 300 300-1 27.0 77.3 5.9 1 200 1200-1 32.2 206.8 7.3 300-2 31.7 79.3 6.8 1200-2 36.8 198.8 5.1 300-3 36.3 86.6 7.5 1200-3 41.7 221.4 7.6 600 600-1 30.2 143.2 8.6 1 500 1500-1 32.8 213.4 8.5 600-2 35.3 152.4 10.1 1500-2 43.5 238.9 9.3 600-3 40.2 163.2 9.8 1500-3 36.1 243.2 12.4 900 900-1 39.1 136.5 10.3 1 800 1800-1 44.2 261.2 13.4 900-2 32.4 125.6 9.2 1800-2 35.2 242.7 9.1 900-3 42.3 144.3 10.1 1800-3 45.1 271.2 15.2 1 200 1200-1 32.2 168.1 11.6 1 900 1900-1 42.2 287.3 11.2 1200-2 38.6 190.3 12.7 1900-2 45.4 264.7 9.4 1200-3 43.2 201.6 14.2 1900-3 35.5 252.3 8.8