煤系地层常见岩石力学参数

1、常见岩层力学参数号岩石名称容重d/(kg/m 3)弹性模量E/GPa体积模量K/GPaK=E/(3(1-2v)剪切模量G/G PaG=E/(2(1+v)泊松比v内聚力/MPa摩擦角/ °抗拉强/MF1粉砂岩246038泥岩246130砂质泥岩251036细砂岩287342砂岩24874013煤138032泥岩248332粉砂岩246038砂岩258042砂质泥岩253040粉砂岩2460382中砂岩258037土层196025细砂岩254035煤140028粗砂岩256034砂页岩260037粉砂岩263035煤143028砂页岩岩266035粉砂2680383中粗砂岩263036破

2、裂带介质1320304粉砂岩2665硬煤185142软煤130030粉砂岩26505表土186027基层土1760236砂质泥岩（IV 类）2560317中细粉砂i-JU 岩2721泥岩2891细砂岩325842泥岩269939煤142020中细砂岩2977泥岩27688泥岩265029砂岩235035II煤154039泥岩265029砂岩235035砂质泥岩25029III煤147039砂岩230033IV煤150039砂岩2550359粗砂岩2890泥岩225011-2 煤1420粉砂岩273012-1 煤1820细砂岩257012-2 煤1460粉砂岩21600顶板260030细砂岩27

3、9043砂质泥岩2520358-1煤142020砂质泥岩244635砂质泥岩2417357-1煤137027砂质泥岩254935泥岩2437306-1煤139024泥岩254530细砂岩280043粗砂岩270040细砂岩2800435-2煤141020细砂岩2597425-1煤141020细砂岩258643砂质泥岩252035泥岩2567304-1煤146024泥岩246330底板岩层2463301砂岩2650417煤140020砂质泥岩255030砂岩2690419煤140020砂岩265040砂质泥岩260032石灰岩280038砂质泥岩260032石灰岩280038常见岩层力学参数分类

4、汇总类别岩石名称容重d/(kg/m 3)弹性模量E/GPa体积模量K/GPaK=E/(3(1-2v)剪切模量G/G PaG=E/(2(1+v)泊松比v内聚力/MPa摩擦 角/ °抗拉强度/MPa11-2 煤142012-1 煤182012-2 煤146013煤138032煤4-1煤1460245-1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2487402580

5、254223505352350352300332550935265041269041265040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2800