纳米玻化微珠保温承重混凝土的基本性能和微观结构-研究

纳米玻化微珠保温承重混凝土的基本性能和微观结构-研究

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时间:2019-03-03

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1、太原理工大学硕士研究生学位论文ResearchofBasicPropertiesandMicrostructureofGlazedHollowBeadInsulationBearingNanoConcreteABSTRACTNowadays,energycrisisdeterioratesseriously.Theenergyhasanimportantimpactonthesurvivalanddevelopmentoftheworld.Theenergyconsumptionofbuildingaccountsforasizeableshareoft

2、heglobalenergyconsumption,whichisincreasingyearbyyearbecauseoftheimprovementofpeople’Slivingstandards.GlazedhollowbeadinsulationbearingconcreteCanmeettherequirementsofload—bearingandinsulationatthesametime,itsthermalconductivityislowerthanordinaryconcrete,anditsstrengthreachesthe

3、levelofordinaryconcrete.Theenergyconsumptionofglazedhollowbeadinsulationbearingconcretebuildingsdropssignificantlyindesignworkinglife.Theconstructionofinsulationworksiscompletedwhenthemainstructureofthebuildingisfinished,theamountofdesignandconstructionworksisreduced.Glazedhollow

4、beadinsulationbearingconcretemeetstherequirementsofthenationalbuildingenergy,andalsomeetstheglobalsustainabledevelopmentstrategy.Glazedhollowbeadinsulationbearingconcreteisbeingstudieddeeplybyourgroup,andtheresultsofstudiesarefruitfulwhichisusedintheactualIII太原理工大学硕士研究生学位论文projec

5、ts.Nano—materialsarevaluedbytheworld,SOnRnoconcreteis.Basedontheabove,nano—materialsismixedintheglazedhollowbeadinsulationbearingconcrete,whichisnamedasglazedhollowbeadinsulationbearingnanoconcrete.ThebasicPropertiesandmicrostructureofglazedhollowbeadinsulationbearingllanoconcret

6、eisstudiedwithtestsandsomeequipmentsuchasscanningelectronmicroscopy.Themainworksoftheresearchareshownasfollows:1.Therawmaterialsofglazedhollowbeadinsulationbearingnanoconcrete一一glasshollowbeadsandnano—silicaisstudied,mixproportionisdeftved.2.Twofactors一一glassbeadsandnano—silicaar

7、econsideredinthemicroscopictest,whichimpactthemechanicalpropertiesandthermalperformanceofglazedhollowbeadinsulationbearingconcrete.Thedosageofglassbeadsincludes30%,70%and130%,thatofnano—silicaincludes1%、2%、3%.Thecompressivestrengthandthermalconductivityofglazedhollowbeadinsulatio

8、nbearingnanoconcretewithdifferentcontent

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