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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)動力響應(yīng)分析姓名：徐通申請學(xué)位級別：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
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
