低彈塑性混凝土的應(yīng)用研究.pdf

1、華中科技大學(xué)碩士學(xué)位論文低彈塑性混凝土的應(yīng)用研究姓名：周建華申請學(xué)位級別：碩士專業(yè)：水利工程指導(dǎo)教師：徐學(xué)軍20061111華中科技大學(xué)碩士學(xué)位論文AbstractSincethe1960s，plasticconcreteimperviouswallsgetveryextensiveapplicationinworldwideComparedwithrigidconcrete，plasticconcretehasthepropertie

2、soflowerstrength，lowerbeginningelasticitymodulusandthebiggerextremelimitstrain，Soitadaptstothebiggertransformingandisgoodtoameliorativethestressstateintheimperviouswalls；Atthesametimeitcansavethequantityofcementandreduce

3、thecostofengineeringbuilding；MoreoveritsrawmatericalcanbegoteasilyanditcanbeplacedeasilySotodayitisusedextensivelyinhydraulicengineeringofourcountrytooTomeetthedesignrequirementsoftwowaterconservancyprojectsandtoknowplas

4、ticconcretewell，inthispaperthreebasalaspectswerestudiedbelow：(1)Accordingtotheneedofanti—permeatewallsofLiangHeKouwaterconservancy，inthispapercomprehensiveexperimentsforplasticconcretewithlowerflexiblemodulesbyadoptingth

5、emethodsoforthogonalexpedmentinthelaboratorywereshownIntheseexperiments，threeparametersareessentialcontrolindexesforplasticconcrete：watercementratio，quanticyratioofbentoniteandsandratioWhat’smore，theeffortsabouteverypara

6、metertoperformancesofplasticconcretewerestudiedThenthereasonablemixratioofplasticconcretewithlowerflexiblemodulesforengineeringconstructionofimpermeablewallsofthiswaterconservancyprojectswasgiven(2)Accordingtotheneedofim

7、perviouswallsofQiChunwaterconservancy，compositiveexperimentsforplasticconcretewithlowerflexiblemodulesbyaddingadditionssuchasashflying，bentoniteandsooninthelaboratorywerecarriedthroughAfterthesecomprehensiveexperimentsan

8、dpropertytestsforplasticconcrete，aseriesofpreliminaryanalysisaboutthefactorswhichaffectedthepropertiesofconcretewerepresentedandthereasonablemixratioofplasticconcreteforengineeringconstructionwasgiven(3)uptothepresent，th

9、econditionofconstructionapplicationbyusingthistwogivenmixratiosofconcreteshowedthattheplasticconcretewithlowerflexiblemodulesmetthedesignandconstructionrequirementsofimpermeablewallsofdams————’?！?。?！?。。。。。?！?。。。。。