矿井通风阻力计算表(带有公式).xls

表5-2-2 矿矿井井通通风风阻阻力力计计算算表表 东东风风井井困困难难时时期期 序 号 巷道名称断面形状支护方式 阻力系数净周长巷道长净 断 面风 量风 阻风 速阻 力备注 aNS2/m4PmLmSm2S3Qm3/sQ2RNS2/m8Vm/sHPa hfAlU*Q2/S3 RfAlU/S3 1主平硐半圆拱砌碹0.00311.21128.5614.125 31.5992.250.0063.7066.080 2一水平暗斜井半圆拱砌碹0.0049.24135.9205.379 31.5992.250.0745.33973.428 3井底车场半圆拱砌碹0.00311.21008.5614.125 31.5992.250.0053.7065.429 5一水平东翼运输大巷半圆拱砌碹0.0039.2396.55.9205.379 16.5272.250.0532.79714.507 6一水平东翼运输大巷半圆拱砌碹0.0039.27955.9205.379 13.5182.250.1072.28819.471 7五采区轨道下山半圆拱砌碹0.0048.6955.1132.651 121440.0252.3533.548 8五采区轨道下山半圆拱砌碹0.0048.6955.1132.651 8.572.250.0251.6671.780 92523轨道顺槽梯形金属支架0.0139.46255.4157.464 5250.4850.92612.126 10 2523工作面矩形单体支柱0.038802.210.6485251.8032.27345.079 11 2523回风顺槽梯形金属支架0.0139.46255.4157.464 5250.4850.92612.126 12 五采区回风上山半圆拱砌碹0.0048.61205.1132.651 121440.0312.3534.481 13 三采区回风上山半圆拱砌碹0.0048.62715.1132.651 13.5182.250.0702.64712.808 14 东245m回风巷半圆拱砌碹0.0038.64705.1132.651 13.5182.250.0912.64716.660 15 东回风上山半圆拱砌碹0.0048.62425.1132.651 16.5272.250.0633.23517.086 15 东回风斜井半圆拱砌碹0.0048.61775.1132.651 16.5272.250.0463.23512.497 16 小 计257.104 17 加10局部阻力25.710 18 合 计282.814