C50耐酸雨腐蝕混凝土研究.pdf

1、中南大學(xué)碩士學(xué)位論文C50耐酸雨腐蝕混凝土研究姓名：金華山申請學(xué)位級別：碩士專業(yè)：建筑與土木工程指導(dǎo)教師：劉寶舉高榮堂20061101工程碩士學(xué)位論文ABSTRACTABSTRACTWhentheacidrainfallsontheearth，thesoilisdegenerated，thelakeiSdietheforestiSdecreasedandthebuildingiScorroded，eventhehealthofhuman

2、isthreaten，Theacidrainnotonlymakesthesurfaceofconcretechangethecoloranddesquamate，butalsodecreasesthestrengthAimattheactualityofFoshanhavingseriousacidraincorrosion，thispaperconfectedthesolutionsimulatingtheacidrainofFos

3、han，studiedtheinfluenceofacidrainonthepropertiesofconcretebymeasuringtheindexofcompressivestrength，theflexuralstrength，thepropertyofadsorbingwaterandcorrosiondepthBasedonthisresearchtheconcreteresistingacidrainwasapplied

4、incivilengineerandtheguideisadvancedTheresultsareasfollowing：1Duringthecorrosionofsimulatingacidrainsolution，thecolorofmortarandconcretecanchangealongwiththetimeAtlatertime，thesurfaceofspecimenshaswhitecrystalwhendrying，

5、andhasthelayereddesquamation2ThestrengthofmortardecreaseswiththeincreaseofdrywetcycleBymeansofdrywetcycle，thespecimenscontaining10％or20％slagor10％flyashand10％slaghavehigherstrengthandhighercorrosionresistanceratioandhaveb

6、estpropertiesresistingacidraincomparedtothecontrolspecimens3ThespecimenshavecreatedCaS04‘2H20afterdrywetcycle，andthecontentofCaS04’2t120ofcontrolspecimenishigherthanthatofspecimencontainingslagTheAFtdoesnotbefound4After4

7、5cycleofsimulatingacidraincorrosion，themechanicalpropertiesoffivekindsofmixcansatisfywiththedemandofthecorrelativecriterion、5ThefirstdamageofsimulatingacidrainontheC50concreteisthelayereddesquamationofsurface，thesecondis