基于RG-BN理论的破碎盘区矿柱群稳定性分析
|
高峰,李成成,覃庆韩,欧恩国
|
Stability Analysis of Broken Ore Pillars Group Based on RG-BN Theory
|
Feng GAO,Chengcheng LI,Qinghan QIN,Enguo OU
|
|
表1 矿柱形态和岩石力学参数
|
Table 1 Pillars shape and rock mechanics parameters
|
|
矿柱编号 | 矿柱长度l/m | 矿柱宽度b /m | 矿柱高度h /m | 岩石单轴抗压强度σc/MPa | 上覆岩层厚度H /m | 密度ρ/(kg· m-3) |
---|
T209-210 | 80 | 11 | 56 | 166.32 | 256 | 2 660 | T210-211 | 80 | 14.5 | 55 | 155.88 | 255 | 2 620 | T211-212 | 80 | 21 | 56 | 164.78 | 267 | 2 600 | T212-213 | 80 | 21 | 95 | 157.58 | 247 | 2 660 | T111-112 | 80 | 15 | 84 | 142.11 | 259 | 2 690 | T115-S1 | 80 | 26 | 90 | 148.85 | 260 | 2 660 | T313-314 | 70 | 14 | 58 | 151.35 | 254 | 2 660 | T501-502 | 70 | 13 | 62 | 147.32 | 248 | 2 606 | T502-503 | 70 | 14.6 | 69 | 145.32 | 264 | 2 670 | 1号间柱 | 165 | 20 | 61 | 141.24 | 249 | 2 606 | 2号间柱 | 337 | 25 | 59 | 154.59 | 252 | 2 660 | 3号间柱 | 112 | 20 | 57 | 168.89 | 244 | 2 600 |
|
|
|