資源描述：
《裂隙巖體滲流應力耦合機制研究及突水數(shù)值模擬》由會員上傳分享，免費在線閱讀，更多相關內容在學術論文-天天文庫。
1、長江科學院碩士學位論文裂隙巖體滲流應力耦合機制研究及突水數(shù)值模擬姓名：孫玉杰申請學位級別：碩士專業(yè)：巖土工程指導教師：鄔愛清;張宜虎20090601ABSTRACTWiththerapiddevelopmentofChina’ssocial-economy,large-scaledevelopmentofwaterresources,therapidexpansionoftherailwaytrafficandtheriseofthenuclearpowerindustry,therock-relatedmacro-engineeringareincreasingprog
2、ressively.Thewater-rockcouplingeffectofthefracturedrockmassesinthehighpressureandcomplicatedloadingisaverycomplicatedprocess.Thereforetheanalysisresearchofthegroundwater’sactivityaswellasthecouplinganalysisresearchofseepageandstressinfracturedrockmasseshasbecomeacommonconcerntothegeotechn
3、icalengineeringprofessionbutalsoaveryvaluedandcomplicatedtaskwithatheoreticalstudyandpracticalapplicationbackground.Thispaperadoptssuchmethodsastheoreticalanalysis,numericalsimulationandengineeringapplicationtoinvestigatetheseepagebehaviorinfracturedrockmasses,themechanicalpropertiesoffra
4、cturedrocksmassesafterexcavationaswellasthecouplingofstressfieldandseepagefieldinfracturedrockmassesroundlyandthoroughly.Basedontheexistingstudiesinthecorrelationalresearchbothathomeandabroad,themajorresultsareasfollows:1.Theexistingachievementsandresearchadvancesoftheseepagebehaviorofthe
5、fracturedrockmasses,themechanicalpropertiesoffracturedrockmassesafterunloadingaswellasthecouplingofstressfieldandseepagefieldinfracturedrockmassesandsuddeninflowofwateraresummarized.Theproblemsexistinginitatpresenthavebeenputforward.2.Theseepagetheoriesandmethodsofthefracturedrockmass,bas
6、ingonthedistinctelementmethodareexpatiated.UDECbasedontheDistinctElementMethodisusedtosimulatethefreesurfacefluid.3.Thefundamentalseepagetheoryofthefracturedrockmassesandthenetworksimulationofthestructuralplane,basedonMonte-Carlotechniqueareintroduced.DiscreteFractureNetworksaregeneratedt
7、hroughmyownprogram.BasedontheDFNmodel,theseepagefieldinfracturedrockmassesandthemechanicalpropertiesoffracturedrocksmassesafterexcavationarenumericallysimulatedbyUDEC.4.Thecouplingtheoryofstressfieldandseepagefieldinfracturedrockmassesareintroduced.Theroleoftheseepa
