加筋與輕質(zhì)填料在處理臺背跳車中的應(yīng)用研究.pdf

1、重慶交通學(xué)院碩士學(xué)位論文加筋與輕質(zhì)填料在處理臺背跳車中的應(yīng)用研究姓名：李丹申請學(xué)位級別：碩士專業(yè)：建筑與土木工程指導(dǎo)教師：吳國雄杜國平20050320ABSTRACT‘‘BumpOnbridgeapproach”isageneralprobleminhighwaysandbridgescausedbydifferentialsettlementsbetweenthebridgeabutmentandapproachinghighwayI

2、tnotonlyhasanadverseeffectontravelspeedandcomfort，butalsodamagestheabutmentjointsandjointfaceItmayevenresultintrafficaccidentsOneofbasicproblemsof“Bumponbridgeapproach”istocontroltheroadbedsettlementThispugeonthisproblem

3、focusesontheapplicationofgeogridandlightfilleratbridgeapproachesThemainworkofthispageisasfollows：1Researchonthemechanicalpropertiesofgeogridandtheinteractionofgeogridandsoillhestressdeformationrelationistestedbydkectexte

4、nsiontestequipmentBasedonthestress—straincurve，themechanicalindexs，suchastensilestrength，extensionratio，ere，CallbecalculatedDirectsheartestiscarriedoutbydirectshearapparatuswhichteststheinterfaceshearstrengthandtherelati

5、onofinterfaceshearandrelativedisplacementofgeogridandfillerbehindthetestabutment2Researchonthedesignmethodofgeogridreinforcedsoil(GRS)atbridgeapproachesThoughthediscussionaboutthedesignmethodofgeotextilereinforcedsoil(GR

6、S)atbridgeapproachesinspecificationThispageputsforwardaformulatocontrolthelengthofgeogrid，andaformulaofspacebetweengeogridlayers，andreasonablecollocationmodeofgeogrid3Researchonthetestoftheapplicationoflightfillerin“Bump

7、onbridgeapproach’’Thoughaseriesofindoortest，therationalityandfeasibilityoftheapplicationoflightfiller(flyashmixedlime)in“Bump0nbridgeapproach”isapproved4Researchontestinplaceoftheapplicationofgeogridandlightfillerin“Bump

8、Onbridgeapproach”ThetwonewtechnologyputforwardbythispagealeusedinexperimentalworkDuringtheconstructionprocessoftestingabutment，theearthpressure，settlement，modulusofresilience，etc、arctested，andbycontrastingthedifferenttes

9、tdataonembankmentandabutmentwithandwithoutdisposing，therationalityofthenewtechnologiesisexpatiatedTheconclusionsandmethodsinthisdissertationCanbenotonlyusedinrelativespecificationofsettlementcontrolatbridgeapproach，butal