用废弃发泡水泥制备轻骨料泡沫混凝土的研究

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发布时间：2020-01-06 00:00:00

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用废弃发泡水泥制备轻骨料泡沫混凝土的研究

２０19年第1期

废弃发泡水泥；轻骨料；导热系数；抗压强度

Waste foamed cement; Light aggregate; Thermal conductivity; Compressive strength

２０19年第1期

10.19761/j.1000-4637.2019.01.069.04

浙江省公益性科技计划项目（2017C31074）；嘉兴学院2017年度校级重点SRT计划项目（851716077）；嘉兴学院中澳先进材料与制造研究院培育项目（70117017）。

黄芳美，薛力梨，刘红飞，张豪杰，高艳斌

1.重庆大学材料科学与工程学院，400045；2.嘉兴学院建筑工程学院，314001

黄芳美,薛力梨,刘红飞,等.用废弃发泡水泥制备轻骨料泡沫混凝土的研究[J].混凝土与水泥制品,2019(1):69-72.

HUANG F M,XUE L L,LIU H F,et al.Research on Lightweight Aggregate Foam Concrete Prepared by Waste Foamed Cement[J].China Concrete and Cement Products,2019(1):69-72.

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摘要：将废弃发泡水泥加工成轻骨料，掺入发泡水泥浆中制备轻骨料泡沫混凝土，测试其干密度、抗压强度、比强度、软化系数、导热系数和质量吸水率等性能。结果表明，干密度随着轻骨料掺量的增加先增加后减少，抗压强度、比强度、软化系数和导热系数均随着轻骨料掺量的增加而减少，质量吸水率则随着轻骨料掺量的增加而增加。当废弃发泡水泥轻骨料的掺量为60kg/m3时，轻骨料泡沫混凝土比强度高、导热系数小、软化系数高，综合性能优异。Abstract:Thewastefoamedcementisprocessedintolightaggregateandmixedintofoamedcementslurrytopreparelightweightaggregatefoamconcrete,anditsdrydensity,compressivestrength,specificstrength,softeningcoefficient,thermalconductivityandmasswaterabsorptionratearetested.Theresultsshowthatthedrydensityincreasesfirstandthendecreaseswiththeincreaseoflightaggregatecontent.Thecompressivestrength,specificstrength,softeningcoefficientandthermalconductivitydecreasewiththeincreaseoflightaggregatecontent,andthemasswaterabsorptionrateincreaseswiththeincreaseintheamountoflightaggregateincreases,andtheinterfacebetweenthefoamedcementslurryandthewastefoamedcementlightweightaggregateisgood.Whenthedosageofwastefoamedcementlightaggregateis60 kg/m3,thelightweightaggregatefoamconcretehashighspecificstrength,smallthermalconductivity,highsofteningcoefficientandexcellentcomprehensiveperformance.

英文名 :

刊期 : ２０19年第1期

关键词 : 废弃发泡水泥；轻骨料；导热系数；抗压强度

Key words : Waste foamed cement; Light aggregate; Thermal conductivity; Compressive strength

刊期 : ２０19年第1期

DOI : 10.19761/j.1000-4637.2019.01.069.04

文章编号 :

基金项目 : 浙江省公益性科技计划项目（2017C31074）；嘉兴学院2017年度校级重点SRT计划项目（851716077）；嘉兴学院中澳先进材料与制造研究院培育项目（70117017）。

作者 : 黄芳美，薛力梨，刘红飞，张豪杰，高艳斌

单位 : 1.重庆大学材料科学与工程学院，400045；2.嘉兴学院建筑工程学院，314001

黄芳美,薛力梨,刘红飞,等.用废弃发泡水泥制备轻骨料泡沫混凝土的研究[J].混凝土与水泥制品,2019(1):69-72.

HUANG F M,XUE L L,LIU H F,et al.Research on Lightweight Aggregate Foam Concrete Prepared by Waste Foamed Cement[J].China Concrete and Cement Products,2019(1):69-72.

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摘要

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结论

参考文献

引用本文

摘要：将废弃发泡水泥加工成轻骨料，掺入发泡水泥浆中制备轻骨料泡沫混凝土，测试其干密度、抗压强度、比强度、软化系数、导热系数和质量吸水率等性能。结果表明，干密度随着轻骨料掺量的增加先增加后减少，抗压强度、比强度、软化系数和导热系数均随着轻骨料掺量的增加而减少，质量吸水率则随着轻骨料掺量的增加而增加。当废弃发泡水泥轻骨料的掺量为60 kg/m³时，轻骨料泡沫混凝土比强度高、导热系数小、软化系数高，综合性能优异。

Abstract: The waste foamed cement is processed into light aggregate and mixed into foamed cement slurry to prepare lightweight aggregate foam concrete, and its dry density, compressive strength, specific strength, softening coefficient, thermal conductivity and mass water absorption rate are tested. The results show that the dry density increases first and then decreases with the increase of light aggregate content. The compressive strength, specific strength, softening coefficient and thermal conductivity decrease with the increase of light aggregate content, and the mass water absorption rate increases with the increase in the amount of light aggregate increases, and the interface between the foamed cement slurry and the waste foamed cement lightweight aggregate is good. When the dosage of waste foamed cement light aggregate is 60 kg/m³, the lightweight aggregate foam concrete has high specific strength, small thermal conductivity, high softening coefficient and excellent comprehensive performance.

关键词:

废弃发泡水泥；轻骨料；导热系数；抗压强度

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