超高強高耐磨混凝土材料研究.pdf

1、湖南大學(xué)碩士學(xué)位論文超高強高耐磨混凝土材料研究姓名：劉強申請學(xué)位級別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：黃政宇20090505碩：學(xué)位論文AbstractWiththedevelopmentofconcreteresearch，thehighperformancecement—basedcompositematerialhasbeenpaidhighattentiontoinworldwideHighperformanceandhighwea

2、r—resistantconcretehasbeenpreparedbyusingwearableaggregatessuchassinteredbauxite，aluminaceramicandSOoninsomecompanyabroadandhasbeenusedinthepracticalprojectsButthewear—resistantperformancewaslesslyinvolvedintheresearchof

3、highperformanceconcreteatdomestic，however，concretewithhighwear—resistantperformanceisneededinmanypracticalprojects，suchasheavyplant，runwayoftheairport，liningoflargescalepipeandSOonInthepaperthehighpozzolanicactivityandfi

4、llingeffectofsilicafumewasfullyused，steelfiberwasincorporatedtoimprovetheductilityofconcreteUndertheinstructionofthetheoryofhighperformanceconcrete，thepreparingmethodofultra—highstrengthcement—basedmaterialwasusedThrough

5、test，studiesweremadeamongtheeffectsofpropertiesandmixamountofmaterialssuchassuperplasticizer，silicafume，steelfiberandsinteredbauxiteonthestrength，fluidityandwearabilityofconcreteTheteststudiesindicatedthat，thevarietyandm

6、ixamountofsuperplasticizer，silicafume，steelfiberaggregatesandwaterbinderratiohaveeffectsofdifferentdegreeontheperformanceofconcreteConsideringtheinfluenceofthefactorsonfluidityoffreshlymixedconcrete，compressivestrengthan

7、dabrasionvalue，itisconsideredthatwhenwater—binderratioisaboutO20，silicafumecementratioisO25，‘mixamountofsuperplasticizeris2％andaggregatemixamounttocementmixamountisabout1I，thecomprehensiveperformanceofconcreteisbetterWit

8、htheadoptionofsilicasand，sinteredbauxite，browncorundumandblacksiliconcarbiderespectivelyastheconcreteaggregate，cubiccompressivestrengthandabrasionvalueofconcreteunderthreecuringmethodsweretestedbythemethodofTheOrthognalT

9、estDesignVarianceanalysisof28dcompressivestrengthandabrasionvalueofconcretepreparedoffourkindsofaggregatesweredone，andtheinfluencelevelofexperimentalfactorstoindexeswerefurtheranalyzedConcretepreparedoffourkindsofaggrega