應(yīng)力場(chǎng)和瓦斯場(chǎng)采動(dòng)耦合效應(yīng)研究.pdf

1、安徽理工大學(xué)博士學(xué)位論文應(yīng)力場(chǎng)和瓦斯場(chǎng)采動(dòng)耦合效應(yīng)研究姓名：王磊申請(qǐng)學(xué)位級(jí)別：博士專業(yè)：安全技術(shù)及工程指導(dǎo)教師：謝廣祥20100605AbstractInthispapercompositiveresearchtechniquesincludingofnumericalsimulationtheoreticalanalysisandinsitumeasurementalecarriedouttoinvestigatethecavingc

2、ouplingeffectsofstressfieldandgasfieldincoalseamwithhighlygas，basedonstressandgaspressureinterrelationshipexperimentofcontaininggascoal，makeuseofgasandsolidcouplingparametertestinginstrumentofcontaininggascoalwithselfinv

3、entionTheresultsshowthatthereareidenticaltendofpermeabilitygaspressureandstress，permeabilityandgaspressurearecontrolleddistributionandevolvementofstress，andtypicalcouplingeffectsofstressfieldandgasfieldincoalseamwithhigh

4、lygasaredisclusuredTherearevolumeexpansionzoneinfrontofface，andthelawofgaspressuredisbalanceinvolumeexpansionWasfoundTheequationofcouplingofstressandgaspressureinvolumeexpansionareconstructed，thebehaviorofvolumeexpansion

5、ismainfactorofgasadsorptionanddesorption，andgaspressureaccidentandhighlygasgradientareoccurredeasilyinvolumeexpansion，thedynamicaccidentarepropercontrolledwiththecavingstressarecontrolledfirstlyTheresultsprovideimportant

6、referencesontheminingofsaltyandhighlyactive，themechanicsofcoalandgasoutburstaresuppliedincoalseam誠(chéng)mhighlygas，andthetheoryofeffectivecontrolofcoalandgasoutburstareprovidedKeyWords：stressfield，gasfield，caving，couplingeffec