煤系地层常见岩石力学参数.docx

热RsrFR*埔寰内聚力/MPa摩擦角/°抗拉强/MP38303642403232384240383725352834373528常见岩层力学参数号岩石名称容重d/(kg/m$弹性模量E/GPa体积模量K/GPaK=E/(3(1-2v)剪切模量G/GPaG=E(2(l+v)泊松比V粉砂岩2460泥岩2461砂质泥岩2510细砂岩2873砂岩248713煤1380泥岩2483粉砂岩2460砂岩2580砂质泥岩2530粉砂岩2460中砂岩2580土层1960细砂岩2540煤1400粗砂岩2560砂页岩2600粉砂岩2630煤143027233142392029353929352939333935粉砂岩2650表土1860基层土1760砂质泥岩（IV类）2560中细粉砂ULl石2721泥岩2891细砂岩3258泥岩2699煤1420中细砂岩2977泥岩2768泥岩2650砂岩235011煤1540泥岩2650砂岩2350砂质泥岩250In煤1470砂岩2300IV煤1500砂岩2550粗砂岩2890泥岩225011-2煤1420粉砂岩273012-1煤1820353527353024304340432042204335302430304120304120403238砂质泥岩2446砂质泥岩24177-1煤1370砂质泥岩2549泥岩24376-1煤1390泥岩2545细砂岩2800粗砂岩2700细砂岩28005-2煤1410细砂岩25975-1煤1410细砂岩2586砂质泥岩2520泥岩25674-1煤1460泥岩2463底板岩层2463砂岩26507煤1400砂质泥岩2550砂岩26909煤1400砂岩2650砂质泥岩2600石灰岩2800常见岩层力学参数分类汇总类别岩石名称容重d/(kgm3)弹性模量E/GPa体积模量K/GPaK=E/(3(1-2v)剪切模量G/GPaG=E(2(l÷v)泊松比V内聚力/MPa摩擦角/°抗拉强度/MPa煤11-2煤142012-1煤182012-2煤146013煤1380324-1煤1460245T煤1410205-2煤1410206-1煤13902247-1煤1370277煤1400208-1煤1420209煤140020III煤147039II煤154039IV煤150039煤1400128煤1430128煤142020软煤130030硬煤185142砂岩砂岩2487402580254223505352350352300332550935265041269041265040粉砂岩24603826808382460382460382630563526652650273082160104细砂岩287342254023513258422570927904328004328004325972742258643中粗砂岩26302236中砂岩2580437中细砂岩2721中细砂岩2977粗砂岩25605342890270040砂页岩260023722660535泥岩泥岩24613024833228911269939276826502926506292250243730254530256730246330砂质泥岩2510362530402502925203524463512417352549352520352550303260032260032石灰岩石灰岩280038石灰岩280038土层基层土176023表土186027土层196025破碎岩层破裂带介质132030砂质泥岩256031（IV类）近似岩体底板岩层246330顶板26005230