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《干濕循環(huán)對(duì)石灰處治膨脹土動(dòng)力特性影響試驗(yàn)分析》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫(kù)。
1、萬(wàn)方數(shù)據(jù)causedsoilrepeatedexpansionandcontraction，leadingtothedevelopmentoffissuresinthesoil，reducethedegreeofconnectionbetweensoilparticles，SOthatthetreatmentofsoilstructuraldamageanddamagedegreevarywiththenumberofwetting-dryingcyclesincreaseandincrease．3．Consolidatedundrainedtri
2、axialtestontreatedspecimenswhichsubjectedto0～5timeswetting—dryingcycleswerecarriedout，theresultsshowthat：theeffectofwettingdryingcyclesonthetreatmentofsoilmacroperformanceforshearstrengthofcontinuousattenuation，forthefirsttime，afterthesecondwetting-dryingcyclescohesionattenuat
3、ionrangeisbigger,afterthe恤rdcycleattenuationamplitudedecreasedandstabilized，andfrictionangleonlyafterthefirstwetting-dryingcycleshavelargerattenuation，theoverallchangerangeisquitesmall．4．Throughdynamictriaxialtests，obtainthetreatmentofsoildynamicdeformationcharacteristicsunder
4、the0-5timesofwetting-dryingcycleseffect，includingthebackbonecurve(Cr--6dcurve)，dynamicelasticmodulusanddynamicstrainrelationshipcurve(局～自curve，lied～國(guó)curve)，dampingratioanddynamicstraincurve(兒國(guó)curve)．Consolidationpressure，consolidationratio，dynamicloadfrequencyfactorsunderwetti
5、ng-dryingcycleseffectofsoiltreatmentofbackbonecurve，dynamicelasticmodulusanddampingratioarestudied．Moreover,thebackbonecurveconstitutiverelationmodel，dynamicmodulusofelasticityattenuationmodelundertheinfluenceofthedifferentfactors．Accordingtheequivalentdampingratioformulatocal
6、culatetotalstrainrangeofdampingratiowhichisproposedbytheequivalentlinearmodel(Hardin-Dmevichmodel)，meanwhiledeterminethemaximumdampingratio以掀accordingtothetestresults．Furthermore，accordingtothehyperbolicdynamicstressdynamicstrainproposedbyHardin-Dmevichmodel，fittingthecalculat
7、edmaximumdynamicmodulus‰．IV萬(wàn)方數(shù)據(jù)KEYWORDS：Lime-treatedExpansiveSoil；PhysicalandMechanicalProperties；Wetting-dryingcycles；StaticTriaxialTest；Dyn砌cTriaxialTests；Dyll疵cElasticModulus；Dampingratio．V萬(wàn)方數(shù)據(jù)目錄摘要???????????????????????????????????I』jI。】B!；TRACT?．??．?．．?．??．．??．??．?．?．．?．?
8、．??．??．??．?．???．?．．?．?．?．??．??III第一章緒論???????????????????????
