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1、同濟(jì)大學(xué)土木工程學(xué)院碩士學(xué)位論文汶川地震地基基礎(chǔ)震害調(diào)查研究姓名:江席苗申請(qǐng)學(xué)位級(jí)別:碩士專業(yè):地質(zhì)工程指導(dǎo)教師:黃雨20090301ABSTRACTThroughextensivefieldinvestigationsonmacroearthquakedamagesofbuildings,pavements,bridges,tunnels,dams,levees,andallkindsofstructures(constr嘶ons),

2、incorporatinganalysisofgeologicalconditions,damagemodesofsoilsaIldfbundationswereanalyzedandclassifiedaccordingtothestructureandgeologicalconditionsTakingsoilliquefactioninDujiangyanaleaandearthquakedalIla星resofdamsinMia

3、nzhucityasexamples,theformationmechanismofliquefactioninDujiangyanareaisexploredandcorrespondingseismicresistancemeasuresofsoils&foundationswereproposedThedifferencesofdynamicresponsebel[、7瞪ensoftsoillayerandrocklayerwer

4、ecomparedMoreoverfacorswhichmayaffectthesubsidenceofsoftsoilwereanalyzedThisdissertationincIudesfourpartsInthefirstpartthesignificancebackgroundandcontcn_tsofthestudywereillustrated;InthesecondpartmacrophenomenainWenchua

5、ne硪hquakewereintroduced,andbasicdamageprinciplesofbuildinganddamswerestudied;Inthethirdpartthedamagephenomenaofsoilsandfoundationswereanalyzed,focusing∞liq∞缸tionandsoftsoilinduceddamagephenomena;Intheforthpartcharacteris

6、ticsofliquefiablesoilandsoftsoilwenanalyzedwithexamplesDetailsa陀shownasfollow:Firstlybyinsituinvestigationandcollectingofdocuments,geologicalconformationcharacteristicsofearthquakeandgeneraldamagephenomenawereobtainedEar

7、thquakedamages’DisplinesofbuildingsanddamswereanalyzedSecondlydamagemechanismsofsoftsoil,liquefiablesoil,faultsurroundingsoilWe]l“eanalyzedandconcludedGeneraldamagestylesandmechanisms、Ⅳ盯eexpoundedFinallytheformationmecha

8、nismofliquefactioninDujiangyanareaisexploredaccordingtothestructuresanddistributionofsoilsthere,andcorrespondingseismicresistallcemeasu】舊sofsoils&foundationswereproposedTakingdamsinMianzhucityasexamples,thedifferencesofd

9、ynamicresponsebetweensoftsoilandrockWascompafe也andthefacorswhichmayaffectthesubsidenceofsoftsoilwereanalyzedaswellTheimlovationofthisdissertationisthatbyusinginsituinvestigationcoilectionofdoc啪ents,andlaboratorytests,dam

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