巖石聲發(fā)射(AE)的kaiser效應(KE)研究.pdf

1、西安工業(yè)大學碩士學位論文巖石聲發(fā)射（AE）的kaiser效應（KE）研究姓名：張艷霞申請學位級別：碩士專業(yè)：工程力學指導教師：何暉20080516StudyontheKaiserEffect(KE)ofRockAcousticEmission(AE)Discipline：EngineeringmechanicsStudentSignature：礎伽俄＼，SupervisorSignature：U。h^二、AbstractAcoustic

2、Emission(shortforAE)ISaphenomenonthatmaterialunderexternalorintemalforceactionreleaseselasticitywavestrainenergyIn1950，whenJosephKaiserteststhereactionofAcousticEmissioninwood，metalandsand，hefistlydiscoversKaisereffect，t

3、hat’StosayAcousticEmissioniSunreversibleIn1963，KaisereffectofsandiSstudiedfirstlyInrecentyears，KaisereffecthasbeenputintopracticeInall，KaisereffectisaindextodiscribethestressofmetalandrockInordertoutilizeAcousticEmission

4、forecastingandmeasuringtheplacethatthecrackisdeveloping，webegintostudyandapplyitfrom1970sThescopeofresearchhasbeendevelopedfrompressurecontainermetalfatigueandfracturemechanicstometalmaterial，compoundmaterial，rock，manufa

5、cturingindustrymonitoringandmagnetemissionAlongwithdevelopingandproducingAcousticEmissionmonitoringinstrument，fromsingleaccesstoexcessive—access，manyinstrumentsuseininteriortestandsitemonitoring，andtheresearchandapplyofK

6、aisereffectinrockengineeringmakesagreatprogressThoseachievementshavebeenusedinoilfieldproducinganddeveloping，andobtainsapparenteconomicbenefitsNorthwestarearesearchesitisrelativelittle，whileinthefieldofrockengineeringitb

7、ecomesmorelessBasedonconsultingmanydocumentarydataandpredecessorsresearch，thepaperdescribesthedevelopmentofAcousticEmissiontechnologyathomeandabroadUsingmicrocomputertocontrolrocktriaxialitytestmachineandSWEAS，thewholewa

8、veAcousticEmissionmonitoringinstrumentWestudyAcousticEmissionfeatureandKaisereffectinrock，fromminingareaHancheng，Shanxi，lodingThetestofferstherelationofstress，strain，AcousticEmissionparameterandtime，itverifiesKaisereffec