不同環(huán)境下混凝土凍融試驗(yàn)標(biāo)準(zhǔn)化研究.pdf

1、浙江大學(xué)建筑工程學(xué)院碩士學(xué)位論文不同環(huán)境下混凝土凍融試驗(yàn)標(biāo)準(zhǔn)化研究姓名：徐小巍申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：趙羽習(xí)金偉良20100201浙江大學(xué)工學(xué)碩士學(xué)位論文AbstraetAbstractTheproblemsofconcretedurabilityhavelongbeenthehotspotinthecivilengineeringspecialties，andthefrostdamageproblemisamajor

2、concemInthisthesis，theauthorputforwardanewconcept—thestandardmethodBasedonthismethod，aseriesofexperimentswerecarriedouttoanalysetheperformanceofconcreteunderdifferentenvironmentsIntheprefacetheconcretedurabilityproblemst

3、ogetherwiththebackgroundandcurrentsituationofthisprojectwereintroducedThefactorsthatinfluencedtheantifrostdurabilityofconcretestructureweregivenBacedontheseresearchbriefsbothathomeandabroad，theauthorconductedanindepthstu

4、dyonthemechanismoffrostdamageThereweretwostandardenvironmentsintheexperimentstudywhichweredefinedasstandardwaterenvironmentandstandardsaltyenvironmentrespectivelyTheperformanceofthestandardspecimenwasanalyzedunderthesetw

5、oenvironmentsAccordingtothedatasofthestandardspecimen，someparameterswereadjusted，suchasthematerialandenvironmentIntheseexperiments，theinfluenceofwatercementratio，thesubstitutionrateofflyashandthecuringperiodWasconsidered

6、ThedamageofconcreteWasevalutedthroughthemeasuringofmasslossanddynamicelasticmoduluslossofthespecimenTheresultsandconclusionsofthethesishadaguidingsignificanceforboththedurabilityregiondivisionandlifespanpredictingofconcr