表2数值模型屮各岩层力学参数Table2Themechunicalparaiieter±iofnickstraLilithenullerkalniudek岩性弾性摸SA;Po泊松比体积力/US•in抗爪强度AlPa抗拉强度舸Fii内摩擦ft/(a)表土层l【hO(h202()0010粉砂岩4K
0(h2527604
U035细砂岩50
3027704
6035白砂岩50
2727704
6035黏上岩乩
50煤层15
W1315i
no25充填林4
5(k222050
25〔匚3R1JK土幅理力Table1Physicalandmecbanicalpantmeterofsoils岩层厚度/E/"(t
l-lc/MPa0c>mGPa表土200,030
3219700
12524沙粘土200
3020000-14515采出率扬0%时模拟方案Table2Simulatepresetofrecoveryrateat50%方案采宽/m留宽/m采出条带/个110101222020ea30304衷3擡岩的物理-力学参数Table3Parametersofphysics-mecliaticsofoverlyiugstrata序号岩性层厚/m标髙/rn,;4单向抗压岩石单I'd抗壮强度
刖內曲性模屁g/GVa內聚力HMFs内裁擦角Wit常度/k^-iii'17芥
0-2S&0狙加L802
262424皿L&红层黏丄4
2020245015皿化砂甩岩以-妙7私曲1
帕272500143
0-339i34U901
5U28257D13石英砂岩14-3-3423J
73II0041273012砂质泥岩6
2-^56,6iekftoO