聚合物改性修補砂漿制備及收縮控制研究

1、武漢理工大學(xué)碩士學(xué)位論文聚合物改性修補砂漿制備及收縮控制研究姓名：蘇彪申請學(xué)位級別：碩士專業(yè)：材料學(xué)指導(dǎo)教師：王桂明201105AbstractThe21stcenturyisthepatchingcenturyit’SnotalarmismWiththegreatdevelopmentofoureconomic，allkindsofarchitecturedesignneedservicingandreforcementafterst

2、eppingintothe21stcenturySotheresearchofhighperformancerepairmortarhasreacheditsstateTherepairmortarshouldapplytovariedconstructionandusingsituation，possessgoodcompatibilityThispaperpreparesakindofhighperformancerepairmor

3、tarandstudyofitsshrinkagewasexploredThemainconclusionsareasfollowing：(1)Thispaperprepares’withdifferintenMsPaperaresrepairmortarwithdifferentintensitygradebytheLIJmethodoforthogonaldesignTheresultshowsthattheeffectdegree

4、ofwaterbinderratio(W／B)andpolymerpowdercontentissevererthanbindersandratioandflyashcontenttointensityBecauseofconfiguration，microaggregateseffect，flyashisafavorablefactocPolymerpowderretardscementhydration，debasesintensi

5、tyButit’Sabletoimprovebondstrengthandshrinkageowingtoitsfilmforminginrepairmortar(2)MetakaolinCanimprovemodifiedrepairmortar’sintensityandshrinkagepropertyslightlyat7dayscuringage，egtheascendingrateof7daysintensityreache

6、s80％ModifiedrepairmortarwithoutMetakaolinpresentscontractionmorphologyWhiletheadditionofMetakaolinbasiccomplexadditives(MS)，modifiedrepairmortarpresentsacertainlevelofmicrodilatancyThisimpactensuresbondstrengthbetweenrep

7、airmortarandbasematerial，whichpromottingthedevelopmentofinterfacetransitionzone(3)TheresultsofdurabilityandmercuryintrusionmethodshowthatMSisabletodecreaseporosityandoptimizeporedistribution，especiallylessenmicroporewhic

8、hisharmfultoshrinkageperformanceAlso，theimprovementofporedistributionpromotesmodifiedrepairmortar’SmechanicalpropertyanddurabilityKeywords：Polymermodifiedrepairmortarmechanicalpropertybondstrength，Shrinkageperformancepor