三種典型結(jié)構(gòu)AC層的有限元分析.pdf

1、大連理工大學(xué)碩士學(xué)位論文三種典型結(jié)構(gòu)AC層的有限元分析姓名：梁斌申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：市政工程指導(dǎo)教師：陳靜云20081201FEMAnalysisontheACLayerofthreetypesoftypicalstructuresAbstractAlItoplayersofasphaltpavement，ACRCCpavementandbridgedeckareasphaltconcretelayer(shortedforACla

2、yer)TheAClayer，whichisexposedtotheenvironmentforalongtimeandbearingvehicleloadandtemperatureeffectsiSthestructurallayerandprotectinglayerProperdesignoftheAClayerwillprovideenoughbearingcapability，andimprovethedurabilityo

3、ftheAClayerHowever，whendesigningpavememstructuresandbridgestructures，theAClayerisusuallytreatedasasubsidiarylayer。Generally，thereisnotspecialcalculationandanalysisaboutitAtthesametime，currentdesigncodealsoiustgivesguidin

4、gstatementforthicknessandconstructionmethod，andthereiSnodesigntheoryanddesignindextofollowForthereasonsgivenabove，thisPaper，basedonFEM，useANSYSsoftwaretoanalyzethestressresponseontheAClayerofthreetypesofstructures，whichi

5、sbearingloadandtemperatureAtthesametime，thispaperresearchessensitivityofsomeparametersinordertoinfersomeregularconclusionsWhenanalyzingstructuresinthispaper，theAClayeristreatedas2to3layers，whichhavedifferentt11icknessand

6、materialproperties。anditwillbeinlinewiththeactualsituationThen，thispaperanalyzeseverylayerrespectivelyanddeeplyThematerialpropertiesandboundaryconditionsofotherlayersaretreatedasfactorsoftheAClayerTheanalysisshowsthatthe

7、loadstressofthreetypesofstructureshasgreatdifferenceTherealsohavegreatdifferenceonsensitivityofsomeparametersTherefore，undertheinfluenceofvehicleload，whetherthedesignexperienceofonestructurecanbeusedfortheothersdependent

8、onspecificdesignindexandspecificpositionHowever，undertheinfluenceoftemperature，thedesignexperienceofonestructurecanbeusedfortheothers，becauseonetemperaturefieldofAClayerissimilartotheothers，andSOissensitivityofparameters