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1、中山大學(xué)碩士學(xué)位論文交通荷載下層狀道路系統(tǒng)動(dòng)力響應(yīng)分析姓名:徐通申請(qǐng)學(xué)位級(jí)別:碩士專業(yè):巖土工程指導(dǎo)教師:湯連生20090608交通荷載下層狀道路系統(tǒng)動(dòng)力響應(yīng)分析StudiesonthedynamicresponseofLayeredroadsystemundertrafncloadingMajor:GeotechnicalEn季neeringName:XUTongSuper、,isor:Pro佗ssorTANGLian—shengABSTRACTInrecemyears,tra伍cisgrow證grapidlyiIlchina,alargeImll】【berofhighwayp
2、rojectshaVebeencompletedorundercorlstmctio鞏thesettlememproblemofsubgradesoilcausedbytramcloadinghaSbecomeincreasedpronliIlem.Underlong-temltra銜cloadmg,theSubgradesoilwillhaveasignificantpemlanemde硒nnatio瑪whichtrendtoappear1argersettlementanddi丘.eremialsettlementandwillgraduallya腩cttheperforma
3、nceanddurabilityofroadsur蠡lce.Thcroadsystemisaunifiedwhole,andalllayerscouplingtoeachother,tramcloadingistrans億rredtothesubgradesoiLThickness,watercoment,materials,paraIneterssuchasshearmodulusofroadSystemwilldirectlya位ctthe鰣bilityofthelpaVementstmcture,趾dthentorenectthesettlememofsubgradesoi
4、LAtpresent,thedyIlamicstressandstrailldistributionmlesofthelayeredroadsystem11avenotbeensolVed,soifthedynamicrespoIlSeofthelayerroadSyStemcanbeamlyzedquamitatively,“mustproVideabaSis硒rthepreVentionarldtreatmentofroaddiseasesandthecalculationofthepermanentde南rmationofroadsyStemwhichareof伊eats遠(yuǎn)
5、nificance.Inthisp印er,thedataoffieldmonitoringandmodelteSft、Ⅳasusedtoanalyzedtheaff.ectionofVariousf.a(chǎn)ctors.ncoIlcludesthedyrlamicstressdiStributiondiscipl沁iIllayeredroadsystelILBaSedontheexistingelastic砌hilayertheories,thispaperuseMethodsoftransfermatri)【aJldVisco—elasticequatioIl,thedynarnic
6、respoIlSeoft11ree-dinlensionallayeredroadsystemwasobtairled.F抽allyweusedMatlabmatri)【numericalanalysissonw£鵬tocalculate,鋤dtheresuh、ⅣaScomparedwiththedataofmodeltest.BaLsedontheaIlalysisaboVe,t11ispaperusedFastLagrangianAnalysisofⅡl中山大學(xué)碩十學(xué)位論文continuaprogr鋤(FLAC3D)compiledthepro伊鋤fordynamicresp
7、oIlseofmuhi—layerroadsyStemundertramcload訪g.Thisprogranlwasusedfort11ree—dimensionalnumericalamlysisofmuhi-layerroadSySterIl,thedistributiondiscipl證eofdynamicstressanddynamicdisplacememhasbeenanalyzed.Attheend,theresuhwasconlparewiththedataof