岩体名称 | 块体密度/(g·cm-3) | 渗透系数/(10-7m·s-1) | 抗拉强度/MPa | 内摩擦角φ/(°) | 弹性模量/GPa | 泊松比$ \nu $ |
第四系 | 1.97 | 1920 | — | 35 | 0.037 | 0.25 |
闪长岩 | 2.76 | 5.78 | 8.9 | 36 | 53.8 | 0.21 |
大理岩 | 2.72 | 2315 | 6.1 | 36 | 45.2 | 0.29 |
矿体 | 3.35 | 4.20 | 6.9 | 38 | 30.5 | 0.15 |
帷幕 | 2.40 | 2.32 | 2.8 | 35 | 25.0 | 0.24 |
Mechanical parameters of rock masses of Zhangmatun Iron Mine
Figures of the Article
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Variation of focal planes with fracture mechanisms[18]
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Fracture movement patterns under different rock failure mechanisms
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3D model and geological profile of Zhangmatun Iron Mine
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Contours of water level in drainage tests on level of -324 m in 1997 and 2010
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Distribution of MS events and focal beachballs
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3D fracture network and its section
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Variation of mechanical parameters with specimen size
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Temporal-spatial variation of damage coefficient in study area
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Spatial relationship among profile, curtain, damage intensive zone and stope in study area
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Damage tensors of Zones 1 and 2 in curtain instability zone
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Topological graph of 3D computational model
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Mapping ideas between MS data and computing units
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Mises stress distribution at a depth of -330 m level
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Plastic state of rock mass unit at a depth of -330 m level
Tables of the Article
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ID 倾向/(°) 倾角/(°) 迹长/m 间距/m 断距/m 分布类型 均值 标准差 分布类型 均值 标准差 分布类型 均值 标准差 分布类型 均值 标准差 分布类型 均值 标准差 1 正态 278.05 20.9 对数正态 58.52 11.3 负指数 1.11 0.48 负指数 0.61 0.70 均布 0.28 0.21 2 正态 118.23 77.9 正态 77.53 22.1 对数正态 1.41 0.41 负指数 0.27 0.24 均布 0.30 0.14 3 正态 144.30 78.2 对数正态 40.78 23.1 负指数 1.62 0.43 负指数 0.54 0.44 均布 0.34 0.17 -
岩体名称 块体密度/(g·cm-3) 渗透系数/(10-7m·s-1) 抗拉强度/MPa 内摩擦角φ/(°) 弹性模量/GPa 泊松比$ \nu $ 第四系 1.97 1920 — 35 0.037 0.25 闪长岩 2.76 5.78 8.9 36 53.8 0.21 大理岩 2.72 2315 6.1 36 45.2 0.29 矿体 3.35 4.20 6.9 38 30.5 0.15 帷幕 2.40 2.32 2.8 35 25.0 0.24