邊坡地震動力響應(yīng)離心模型試驗的有限元模擬.pdf

1、山東大學(xué)碩士學(xué)位論文邊坡地震動力響應(yīng)離心模型試驗的有限元模擬姓名：劉宏基申請學(xué)位級別：碩士專業(yè)：水工結(jié)構(gòu)工程指導(dǎo)教師：劉建華丁樺20090524山東人學(xué)碩士學(xué)位論文ABSTRACTSlopestabilityundertheearthquakeisahottopicinGeotechnicalEngineeringGeologicalandGeographyconditionsinChinaarecomplex，fortherearem

2、anymountainsinourcountry，andearthquakeconstantlytakesplaceThelandslidecausedbyearthquakeislargeinnumberandscale，andalwayscausesseriousdamageSoitiSveryimportanttocarryoutthestudyofS10pestabilityTherearethreetypesofmethods

3、inseismicSlopestabilitystudyTheyareinSituobservation(earthquakesurvey)method，numericalmethodandphysicalmodeltestmethodAsoneofthemodeltestmethod，thecentrifugemodeltesthasbeenusedmoreandmorewidelyinthestudyofdynamicstabili

4、tyoftheSlopeCentrifugetestcanmakeuseofhigh—speedcentrifugespin，themodelimposedbymorethanntimesthegravityofthecentrifugalinertialforce，tocompensatethe1／nreducedscaleoftheself‘stresSofthemodelcausedbythelossoftheprototype，

5、SOastoachievethesamestresSlevelSowecanstudythesituationofundermineandtheprocessofdeformationvisuallyCentrifugalModelTesthasbeenusedmoreandmoreindynamicstabilityoftheSlopeThesetofthemodelmaterialparametershasadirectimpact

6、onthetestresultsForstudyingtheinfluenceofdeviationinthesemodelmaterialparameters，byUSingtheFEMsoftwareANSYS，theSimulationofseismicresponsecentrifugalmodeltestofrockslopewithweakstructuralplanesisdoneTheinfluenceof4parame

7、ters：DensitytElasticModulustShearStrengthinstructuralplanesandFrictioncoefficientisstudiedEverytimeoneoftheseparameterschangeS，acorrespondingmodelisbuiltThenallthemodels’seismicresponsearetested，tostudywhichoftheparamete