Advances in Civil Engineering / 2018 / Article / Tab 1 / Research Article
Effect of Mining Thickness on Overburden Movement and Underground Pressure Characteristics for Extrathick Coal Seam by Sublevel Caving with High Bottom Cutting Height Table 1 Rock formation columnar section of the 13# coal seam in the Xiegou coal mine.
No. Name Thickness (m) 1 Loess 26.84 2 Packsand 7.95 3 Sandy mudstone 12.18 4 Packsand 8.50 5 Sandy mudstone 20.30 6 Medium sandstone 12.06 7 Sandy mudstone 31.49 8 Packsand 4.60 9 Sandy mudstone 21.85 10 Mudstone 25.22 11 Sandy mudstone 3.60 12 Medium sandstone 17.30 13 Sandy mudstone 6.50 14 Packsand 13.76 15 Mudstone 6.56 16 Packsand 3.82 17 Mudstone 4.52 18 Medium sandstone 7.84 19 Sandy mudstone 4.12 20 Packsand 7.02 21 Sandy mudstone 9.51 22 Medium sandstone 11.92 23 Mudstone 15.02 24 6# coal mine 1.50 25 Gritstone 9.65 26 Siltstone 3.71 27 Sandy mudstone 1.00 28 8# coal mine 5.69 29 Mudstone 2.13 30 Medium sandstone 8.31 31 Marlstone 2.12 32 Mudstone 2.01 33 9# coal mine 0.51 34 Sandy mudstone 2.43 35 Mudstone 1.45 36 Gritstone 5.39 37 Mudstone 2.32 38 10# coal mine 0.60 39 Mudstone 2.26 40 Marlstone 6.50 41 Sandy mudstone 1.53 42 11# coal mine 0.61 43 Mudstone 1.76 44 Limestone 2.56 45 Sandy mudstone 2.08 46 Mudstone 1.49 47 12# coal mine 0.82 48 Mudstone 1.00 49 Medium sandstone 2.50 50 Micropsammite 2.02 51 Mudstone 2.07 52 Sandy mudstone 1.50 53 13# coal mine 5.25 54 Dirt band 0.25 55 13# coal mine 3.25 56 Dirt band 0.25 57 13# coal mine 4.15 58 Dirt band 0.30 59 13# coal mine 1.55 60 Mudstone 2.00 61 14# coal mine 0.33 62 Mudstone 3.05 63 Sandy mudstone 2.00 64 Limestone 1.29 65 Mudstone 1.00 66 15# coal mine 0.44 67 Sandy mudstone 3.00 68 Mudstone 2.05 69 Siltstone 2.56 70 Packsand 2.41