高速公路擴(kuò)建工程差異沉降控制技術(shù)研究.pdf

1、長安大學(xué)碩士學(xué)位論文高速坌路芷建王猩羞昱洹隆控制捷盔硒窒陳星光指導(dǎo)教師姓名一墨選壘f盤亟2申請學(xué)位級別碩士論文提交日期20066論文答辯日期生旦旦學(xué)位授予單位墊墨塞鱟答辯委員會主席：學(xué)位論文評閱人：AbstractExpresshighwaywidenillgofourcountrynowisinitsearlystagea11dnospecincdes和orconstmctionspecificationisaVailablefori

2、tComparingtonewlybuildexpresshighway，wideniIlgprojectismoredi蜀cuIttoconstmctaIldthetechnologyismorecomplexTbmitigate吐1edi行宅rentialsettlementisthekeytechnologyforexpresshighwaywideningWithregardof廿1echaracteristicsofeXpre

3、sshi曲waywidenillgproject，tllisp印erconductedresearchonmitigatingt11edif梵rentialsettlementofwidenroadbase，whichmainlycontainedfourpartsaSfollows：1)BaSeoninvestigatingexpress11ighwaywideningprojectsathomea11dabmad，廿1eeXciti

4、ngproblems，tllemechallicsa11dtllekeyinnuentialfactorsofdi蔬rentialsettlementofwidenroadbasehaVebeenaIlalyzed2)Filliteelementmodelwasbuilttoa11alyzemelawsofdi虢rentialse仕lementu11derdi虢rentconditionssuchaswidenmemods，mehei曲

5、tofrobaseaIldtllegeologi亡alconditionsFilliteelementmodelwasalsobuilttosimulatetllemechaIlicalresponseoftllepavemem，baSeonwIlichcon廿olcriterionofdifI’erentiaIsettlementwasputforward3)Baseonmeoreticalanalysisa11dtrialpavem

6、emsection，somemeasureshavebeenputfonVardtomitigatedi毹remialse砌ememofwidenroadbase，i11cludingshouldercuttillg，ground扛ea缸nent，tIleapplicationofgeosynⅡletics，aIldsoon4)Consideringnlecharacteristicsofwidenmadbase，someteclulo

7、logiesandmeasurestomaintaillt11econstn】ctionquali夠wereputfonvardStudywasmainlyconductedontlleshoulderc吡i119aIldimpactcompactingofAN一ⅪNeXpresshi曲waywidellillgprojectKeywords：expresshi曲way；widenroadbase；di鼠rentialsettlemen