兗州煤田主采煤層頂板穩(wěn)定性評價.pdf

1、山東科技大學(xué)碩士學(xué)位論文兗州煤田主采煤層頂板穩(wěn)定性評價姓名：劉海燕申請學(xué)位級別：碩士專業(yè)：礦產(chǎn)普查與勘探指導(dǎo)教師：李增學(xué)20040501些查型楚查堂堡查堂些堡塞，型鍪ABSTRACTThispaperfocusesonthestudyaboutthestabilityofmaincoalseam’sroofinYanzhoucoalfield，andsystematicallyanalyzeskeyfactorsdeterminingt

2、hemechanicalpropertiesofrockbasedon盤eadvancedtheoriesandmethodsofsedimentarypetrologyrockmechanicsandgeologicalengineeringThecontentsincludesedimentconditions，thelawofstructure’Sdevelopment，andthemechanicalpropertiesrock

3、Sedimentconditionsmainlyincludelithotogicalcharacters。rockcombination，thetypesofcementation，andthesedimentaryenvironmentareanalyzedThestructure’8developmentcharactersmainlyincludetheregionalstructure’Sdevelopment。Themini

4、—typestructure’Sdistributing，andstructure’ScombinationofrockmassarestudiedThemechanicalpropertiesrockmainlyincludethemechanicalindex，thephysicalqualityofrock，andtheinfluenceofstructure’sdevelopmentOilthemechanicalpropert

5、iesarediscussedInconclusion，theweightvalueofthekeyfactorsarediscussedbasedontheanalyticalhierarchyprocess(AHP)，andevaluatingthestabilityofmaincoalseam’sroofinYanzhoucoalminebasedonthecompoundsuperpositionprocess。Keywords