煤系地层常见岩石力学参数(共10页).docx

精选优质文档-倾情为你奉上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246019.510.838.13 0.22.75381.84泥岩24618.756.083.47 0.261.2300.605砂质泥岩25105.4252.56 2.36 0.1472.16360.75细砂岩287333.421.01 13.52 0.2353.2421.29砂岩248713.55.97 6.01 0.1232.06401.1313煤13805.34.91 2.01 0.321.25320.15泥岩248317.79.97 7.