混凝土電阻率及鋼筋腐蝕速度的研究.pdf

1、大連理工大學(xué)碩士學(xué)位論文混凝土電阻率及鋼筋腐蝕速度的研究姓名：楊勇濤申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：貢金鑫趙尚傳20091219混凝土電阻率和鋼筋腐蝕速度的研究ResearchonConcreteResistivityandReiforcedConcreteSteelCO／T(“RaterosloneAbstractCorrosionrateofsteelreinforcememisaveryimportantinfluenc

2、efactorforconcretedurabilityItissignificanceprofoundtesearchthecorrosionofsteelreinforcementanalysethedifferentinfluencefactors，andestablishthedurabilitymodeltopredicttheresidualservicelifeofstructuresInthisPaper，theconc

3、retestructuresinlittoralareaareourmainobjecttesearchnletestisstudiedinlaboratoryandresearchtheconcreteresistivityandthecorrosionofrateThedifferentinfluencefactorsareresearched，whichincludecementdosage，wmercementratiotemp

4、erature，humidity，differentmineraladmixtures，andSOonInconclusion，thistesthaveestablishedthedurabilitymodeltopredicttheresidualservicelifeofstructuresbyeombiningtherelationshipbetweenwidthofcrackandrebarcorrosionratio，whic

5、hisresearchedbyothers碭eresearchproductionareasfollowing：(1)Researchtheinfluencefactorsofconcretesuchasthewatercementratio，cementdosagepermetercubeconcrete，chloridecontent，contentoftheflyash，fineslagandsiliconashtemperatu

6、re，humidity，andSOonDothetestinlaboratoryBymeansofthetestdataanalysetheinfluenceregularanddegreeofallthefactorsandestablishthemodelofconcreteresistivity(2)Researchtheinfluencefactorsofconcretesuchasthewatercementratio，cem

7、emdosagepermetercubeconcrete，chloridecoutent，contentoftheflyash，fineslagandsiliconashbardiameterthecoverthickness，temperature，humidity，andSOonDothetestinlaboratoryBymeansofthetestdataanalysetheinfluenceregularanddegreeof

8、allthefactorsandestablishthemodelofpredictingcorrosionrate(3)Establishthemodelabouttherelationshipbetweenthewidthofcovercrackandrebarcorrosionratiobymeansofthetestdatawhichisdonebyothers(4)Analysetherelationshipbetweenre

9、barcorrosionratioandcorrosionrateEstablishthedurablitymodelofpredictingtheservicelifeofstructuresfromtototl，whichisbasedontheruleofrustexpandingtocrackInthispaper，thedurabilitylimitstateissetthatthewidthofconcretecoveris