煤系地层常见岩石力学参数

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1、.常见岩层力学参数组号岩石名称容重d/(kg/m3)弹性模量E/GPa体积模量K/GPaK=E/(3(1-2v))剪切模量G/GPaG=E/(2(1+v))泊松比v内聚力/MPa摩擦角/°抗拉强度/MPa1粉砂岩246019.510.838.130.22.75381.84泥岩24618.756.083.470.261.2300.605砂质泥岩25105.4252.562.360.1472.16360.75细砂岩287333.421.0113.520.2353.2421.29砂岩248713.55.

2、976.010.1232.06401.1313煤13805.34.912.010.321.25320.15泥岩248317.79.977.350.2041.2320.58粉砂岩246019.510.838.130.23.75381.84砂岩258025.012.2210.790.1592.5423.6砂质泥岩253010.855.124.730.1472.45402.01粉砂岩246019.510.838.130.22.75381.842中砂岩25805.993.32.50.204.0371.2土

3、层19600.250.280.0930.350.85250.35细砂岩25404.012.71.60.252.0351.0煤14000.990.850.380.311.0280.5粗砂岩25607.074.22.90.225.0341.5砂页岩26008.145.13.30.232.0372.0粉砂岩26309.105.03.80.206.0352.5..煤14301.201.00.460.301.2280.6砂页岩岩26608.515.73.40.255.0352.6粉砂268010.085.6

4、4.20.208.0383.53中粗砂岩263036.118.722.00.26812.136破裂带介质13200.9130.6560.360.1780.072304粉砂岩266512.206.275.190.1811.544.57.8硬煤18512.201.050.9560.151.88421.77软煤13000.400.630.1450.390.34300.2粉砂岩265014.388.055.980.2015.345.411.95表土18600.0460.03830.01770.30.016

5、27基层土17600.0180.01250.00710.260.019236砂质泥岩（IV类）25602.6612.221.020.30.73317中细粉砂岩27215.203.472.080.255.237.62.81泥岩28912.602.171.00.301.339.41.15细砂岩32583.512.011.450.212.4422.16泥岩26993.612.861.40.292.8392.48煤14200.500.460.190.320.8200.01中细砂岩29775.892.892

6、.540.163.240.93.7泥岩27683.401.721.450.171.840.73.368泥岩265012.27.824.920.246.829砂岩235012.58.335.000.258.935II煤15401.741.450.670.32.539泥岩265012.88.215.160.246.029..砂岩235013.28.805.280.258.635砂质泥岩25011.77.504.720.247.529III煤14701.331.300.500.332.839砂岩2300

7、13.28.805.280.258.533IV煤15001.51.470.560.332.639砂岩255013.59.005.400.258.2359粗砂岩289021.115.298.310.2712.430.613.1泥岩22505.84.392.270.284.925.23.811-2煤14204.22.501.720.222.1129.52.6粉砂岩27308.04.303.360.197.132.910.212-1煤18203.81.921.620.171.8924.21.9细砂岩25

8、709.06.253.570.269.231.48.512-2煤14603.21.671.360.182.327.82.3粉砂岩216010.06.674.000.2510.232.19.710顶板26005.003.332.00.250.85301.22细砂岩279038.4520.1416.270.183.8436.75砂质泥岩252014.5310.765.70.271.18351.178-1煤14202.401.90.930.290.2200.28砂质泥岩244614.53