高強(qiáng)優(yōu)質(zhì)粉煤灰輕集料的研究及應(yīng)用_第1頁
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1、武漢理工大學(xué)碩士學(xué)位論文高強(qiáng)優(yōu)質(zhì)粉煤灰輕集料的研究及應(yīng)用姓名:高禮雄申請學(xué)位級別:碩士專業(yè):材料學(xué)指導(dǎo)教師:胡曙光2002.5.1莖堡堡墨查堂堡主蘭堡壘壅AbstractBasedontheoreticalprincipleandtechnologicalmethodsofmaterialscience,akindoftechnologicalmethodofmanufacturinghighstrengthandperformance

2、sinteredlightweightaggregatew計(jì)h門yashasmainmaterialIsputforwardthroughexploringkeytechnologyandvarousoptimizedprocessparametersAtpresentdomesticproducedlightweightaggregateoflowerstrengthandhigherabsorptionofwaterjscommon

3、HowtobetterpropertyofllghtweightaggregateisalwaysaconcernedquestionNowpeoplehaveadvancedvarioustechnologicalmethodstosolVethosequestions,buttheeffectsarenotobviousst川Dif托rentfromaverageljghtweightaggregate,highstrengthan

4、dperformancelightweightaggregatepossessescharactersticswithhjghers”ength,lowerabsorptjonofwaterandsuperfractjonsandisapplicableforproductionofOutstandjngconcfetew“hbetterwOrkabIity。physicaImechanicalpropenyanddurabi|iIyE

5、xperimentadoptsaseriesoftephnolOgy,suchasexpansjontechnoIogy,soIidburningtechnology,mul|itecrystaIlizingtechnologyandantjclarifyjngtechnologyetcThroughorthogonaIoptimizedproportionandsuitabIeacceIeratedburningtest,experi

6、menthassuccessfullyproducedhighstrengthandperformanceflyashlightweightaggregateJtsp1edensityis850Kg,m’orso,belongingto900grade,tubestrengthisover8OMPa,20%higherthanthatofstatestandardandabsorptionofwaterisbelow50%Burnlng

7、experimentofvariousmaterialsprovesthatburningmodeofhighstrengthandperformanceghtweightaggregateisdif詫rentfromthatofcommonllghtaggregateBurningmodeofhighstrengthandperformancelightweightaggregateisacombinationofsuitableex

8、pansionandcontraction,andemittinggasandsaVinggasUsingthesintered門yashlightweightaggregate,theexperimenthassuccessfullycomPoundedlIghtweightaggregateconcretewithpropertiesofcompressiVestrengthmorethanCL60,0minuteslumpmore

9、than20cm,expansibilitymorethan50cmand60minuteslumpnolessthanl8cmTheresultindicatesthatthislightweightaggregateconcfetecanbeappIiedwidely1(evwordsHighstrength;Lowabsorptionofwater;Flyashlightweightaggregate;Burningprocess

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