矿岩开挖松动区厚度预测及非爆机械化开采判据
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景岳,王少锋,鲁金涛
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Thickness Prediction of the Excavation Damage Zone and Non-explosive Mechanized Mining Criterion
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Yue JING,Shaofeng WANG,Jintao LU
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表1 矿山现场测试数据
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Table 1 Mine field test data
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| 序号 | 单轴抗压强度σc/MPa | 岩体质量等级F | 埋深H/m | 岩石容重 γ/（kN·m-3） | 开挖跨度S/m | 松动区厚度L/m | 序号 | 单轴抗压强度σc/MPa | 岩体质量等级F | 埋深 H/m | 岩石容重γ/（kN·m-3） | 开挖跨度S/m | 松动区厚度L/m |
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| 1 | 10.50 | 3.0 | 370 | 28.8 | 3.5 | 1.000 | 36 | 22.40 | 3.5 | 610 | 27.3 | 3.6 | 1.750 | | 2 | 10.10 | 4.0 | 305 | 31.0 | 3.2 | 1.300 | 37 | 21.96 | 4.5 | 620 | 26.1 | 3.6 | 2.120 | | 3 | 9.10 | 4.0 | 420 | 27.5 | 3.2 | 1.400 | 38 | 25.64 | 4.0 | 640 | 26.9 | 3.6 | 1.980 | | 4 | 10.50 | 3.0 | 350 | 29.4 | 3.2 | 1.200 | 39 | 21.96 | 4.5 | 660 | 25.4 | 3.6 | 2.200 | | 5 | 12.60 | 4.0 | 510 | 25.9 | 3.7 | 1.400 | 40 | 25.64 | 3.0 | 615 | 27.1 | 3.6 | 1.500 | | 6 | 12.60 | 3.0 | 403 | 27.9 | 2.9 | 1.300 | 41 | 16.80 | 4.5 | 670 | 24.6 | 3.6 | 2.350 | | 7 | 11.90 | 3.0 | 293 | 31.5 | 3.5 | 1.100 | 42 | 25.64 | 3.0 | 685 | 27.3 | 3.6 | 1.700 | | 8 | 13.30 | 4.0 | 410 | 27.8 | 3.2 | 1.400 | 43 | 16.80 | 4.5 | 700 | 23.4 | 3.6 | 2.550 | | 9 | 11.20 | 3.0 | 450 | 26.9 | 3.0 | 1.200 | 44 | 25.64 | 3.5 | 675 | 28.4 | 3.8 | 2.100 | | 10 | 62.40 | 2.0 | 362 | 29.0 | 2.6 | 0.600 | 45 | 16.80 | 5.0 | 705 | 23.1 | 3.8 | 2.850 | | 11 | 11.20 | 3.0 | 315 | 30.6 | 2.8 | 1.100 | 46 | 25.64 | 3.0 | 700 | 28.4 | 3.8 | 1.780 | | 12 | 101.60 | 1.0 | 460 | 26.7 | 3.2 | 0.400 | 47 | 16.80 | 5.0 | 650 | 24.2 | 6.0 | 3.450 | | 13 | 13.30 | 3.0 | 125 | 29.3 | 2.8 | 1.100 | 48 | 25.64 | 4.5 | 680 | 28.3 | 3.8 | 2.350 | | 14 | 28.00 | 3.0 | 310 | 30.8 | 3.2 | 0.800 | 49 | 21.96 | 5.0 | 630 | 26.3 | 4.0 | 2.600 | | 15 | 18.80 | 3.0 | 340 | 29.7 | 3.4 | 1.300 | 50 | 52.00 | 3.0 | 700 | 28.4 | 4.2 | 1.700 | | 16 | 10.90 | 4.0 | 665 | 24.1 | 3.6 | 1.700 | 51 | 52.00 | 3.0 | 750 | 28.4 | 4.2 | 1.700 | | 17 | 14.30 | 4.0 | 322 | 30.3 | 4.4 | 1.500 | 52 | 52.00 | 3.0 | 690 | 28.4 | 4.2 | 1.400 | | 18 | 9.10 | 5.0 | 450 | 26.9 | 3.4 | 2.000 | 53 | 52.00 | 3.0 | 690 | 28.4 | 4.6 | 1.500 | | 19 | 16.80 | 3.0 | 249 | 23.9 | 3.2 | 1.000 | 54 | 40.00 | 3.0 | 690 | 24.6 | 4.6 | 1.600 | | 20 | 22.40 | 3.0 | 296 | 31.4 | 3.4 | 1.200 | 55 | 25.64 | 3.0 | 615 | 28.3 | 3.6 | 1.500 | | 21 | 23.80 | 3.0 | 178 | 30.1 | 2.6 | 1.200 | 56 | 16.80 | 4.5 | 670 | 24.2 | 3.6 | 2.350 | | 22 | 11.96 | 4.0 | 268 | 24.8 | 3.4 | 1.400 | 57 | 25.64 | 3.0 | 685 | 28.3 | 3.6 | 1.700 | | 23 | 110.20 | 1.0 | 180 | 29.8 | 2.8 | 1.000 | 58 | 34.37 | 4.0 | 660 | 27.2 | 4.5 | 1.650 | | 24 | 14.30 | 3.0 | 236 | 24.7 | 3.0 | 1.200 | 59 | 147.89 | 5.0 | 660 | 32.3 | 4.0 | 2.340 | | 25 | 13.30 | 3.0 | 321 | 30.4 | 3.0 | 1.100 | 60 | 71.26 | 3.0 | 600 | 27.1 | 3.8 | 1.100 | | 26 | 11.20 | 3.0 | 97 | 28.3 | 2.6 | 1.100 | 61 | 39.19 | 3.0 | 1 000 | 28.6 | 4.6 | 1.930 | | 27 | 73.60 | 2.0 | 340 | 29.7 | 3.0 | 0.800 | 62 | 158.83 | 5.0 | 800 | 28.1 | 5.6 | 2.900 | | 28 | 13.30 | 4.0 | 450 | 26.9 | 3.6 | 1.600 | 63 | 147.89 | 4.0 | 800 | 32.2 | 5.6 | 2.690 | | 29 | 32.20 | 2.0 | 340 | 29.7 | 3.2 | 0.700 | 64 | 109.50 | 3.0 | 800 | 26.7 | 5.6 | 2.270 | | 30 | 10.10 | 5.0 | 470 | 26.5 | 4.0 | 2.200 | 65 | 142.16 | 3.0 | 370 | 31.1 | 3.4 | 1.200 | | 31 | 14.30 | 3.0 | 420 | 27.5 | 3.6 | 1.100 | 66 | 142.16 | 3.0 | 450 | 31.1 | 3.4 | 1.400 | | 32 | 11.90 | 4.0 | 520 | 25.8 | 3.8 | 1.700 | 67 | 142.16 | 3.0 | 530 | 31.1 | 3.4 | 1.550 | | 33 | 9.10 | 5.0 | 470 | 26.5 | 3.6 | 2.100 | 68 | 142.16 | 3.0 | 680 | 31.1 | 3.4 | 1.800 | | 34 | 10.10 | 4.0 | 467 | 26.6 | 3.4 | 1.800 | 69 | 142.16 | 3.0 | 780 | 31.1 | 3.4 | 1.975 | | 35 | 16.80 | 4.5 | 600 | 25.4 | 3.6 | 2.250 | | | | | | | |
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