资源描述：
《抗疏力土壤固化剂的应用研究》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、重庆交通大学硕士学位论文抗疏力土壤固化剂的应用研究姓名：刘俊申请学位级别：硕士专业：道路与铁道工程导教师：凌天清20100401ABSTRACTInthispaper,usingtheCONSOLIDSYSTEMincludingagentCONSOLID444(C444)andpowderSOLIDRY(SD)asthesoilStabilizer,toChongqingandGuizhouregionasthecuringclaytargets,carryoutstudyontheRoadPerf
2、ormanceoftheCONSOLIDsolidifiedsoil,comparedwiththetraditionallime-stabilizedsoil.CuringmechanismoftheCONSOLIDSYSTEMwasdiscussedindepth.Andthroughaseriesofindoortests,studythedifferentdosagecombinationofC444andSDintheCONSOLIDsolidifiedsoiltofinalizetheCO
3、NSOLIDadditivesC444andSDofthebestdosage(agentC444~0.8L/nApowderSD~20kg/m^).Onthisbasis,carryoutthetestresearchandanalysisofthesaturatedunconfinedcompressivestrength,indoorresilientmodulus,indirecttensilestrength,volumeexpansion,CBRvalues,andimpermeabili
4、ty,frostresistance,waterstability,shrinkageperformanceoftheCONSOLIDsolidifiedsoil,comparedwiththetraditionallime-stabilizedsoil.ItprovesthattheCONSOLIDsolidifiedsoilhasgoodmechanicalpropertiesanddurability.TheCONSOLIDsolidifiedsoilcanincreasetheCBRvalue
5、of3timesoreventhreetimes,greatlyexceedingthelimestabilizedsoil;comparedtolimestabilizedsoil.TheCONSOLIDsolidifiedsoilhasshortsolidificationtimeandhighearlystrength,itcangreatlyshortentheconstructionperiod,increaseefficiency,andreducecosts.Inaddition,the
6、CONSOLIDstabilizedsoilcanalsohavetheuseofrecycled.TheCONSOLIDsolidifiedsoilcansignificantlyreducetheexpansionofthephenomenonofsoil,significantlybetterthanthelimestabilizedsoil.Inthesamecuringconditions,theunconfinedcompressivestrengthof7d,28d,90d,compre
7、ssivemodulusandsplittingtensilestrengthsoftheCONSOLIDstabilizedsoilweresignificantlyhigherthanthelimestabilizedsoil.TheimpermeabilityoftheCONSOLIDstabilizedsoilisbetterthanlimestabilizedsoil,itspermeabilitycoefficienthavereachedthe10"^cm/smagnitude,andb
8、ecausethatthestrengthofstabilizedsoilwillcontinuetogrowlate,itspermeabilitywillbereducedaccordingly,socanmeetthegeneralroadworksonthebasematerialimpermeabilityrequirements.TheCONSOLIDsolidifiedsoilbyfivefreeze-thawcycles,theovera
