水泥稳定炉渣碎石的强度性能.pdf

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1、第17卷第3期建筑材料学报Vo1．17，No．32014年6月JOURNALOFBUILDINGMATERIALSJun．，2014文章编号：1007—9629(2014)03—0538—05水泥稳定炉渣碎石的强度性能刘栋，李立寒，崔华杰(同济大学道路与交通工程教育部重点实验室，上海201804)摘要：以生活垃圾焚烧炉渣集料替代部分天然集料制备水泥稳定炉渣碎石试件，然后通过无侧限抗压强度试验和劈裂试验测试试件的强度性能，分析了炉渣集料熟化时间及粒径、混合料养生龄期和养生温度、水泥用量对水泥稳定炉渣碎石强度性能的影响，并比较了水泥稳定

2、炉渣碎石强度性能与水泥稳定碎石的差异．结果表明：炉渣集料压碎值随其熟化时间的延长而降低，水泥稳定炉渣碎石7d无侧限抗压强度随炉渣集料熟化时间的延长而提高；掺熟化30d炉渣集料(0～9．5mm)的水泥稳定炉渣碎石7d无侧限抗压强度达到4．0MPa；炉渣集料粒径越大，水泥稳定炉渣碎石7d无侧限抗压强度越低；水泥稳定炉渣碎石养生龄期越长、水泥用量越大、养生温度越高，其无侧限抗压强度和劈裂强度越高．关键词：生活垃圾焚烧炉渣；水泥稳定炉渣碎石；熟化；强度中图分类号：U416．26文献标志码：Adoi：10．3969／j．issn．1007—9

3、629．2O14．03．030StrengthPerformanceofCementStabilizedAggregateContainingBottomAshAggregate(BAA)LIUDong。LLihan。CUIHuajie(KeyLaboratoryofRoadandTrafficEngineeringofMinistryofEducation，TongJiUniversity，Shanghai201804，China)Abstract：Cementstabilizedaggregatecontainingbottom

4、ashaggregate(BAA)waspreparedbyusingbottomashaggregatefromincinerationofmunicipalsolidwastetoreplacepartlythenaturalaggregateincementstabi1izedaggregate．StrengthperformancesofcementstabilizedaggregatecontainingBAAwerestudiedbyuncon—finedcompressivestrengthtestandsplitti

5、ngtest，andtheeffectsofweatheringtimeofBAA，particlesizeofBAA，curingtimeandcuringtemperatureofcementstabilizedaggregatecontainingBAA，cementcontentwereinvestigated．ThestrengthperformancesofcementstabilizedaggregatecontainingBAAandcementsta—bilizedaggregatewerecompared．The

6、resultsshowthatthecrushingvalueofBAAdecreaseswithincreasingweatheringtime．The7dunconfinedcompressivestrengthofcementstabilizedaggregatecontainingBAAin—creaseswithincreasingweatheringtime．The7dunconfinedcompressivestrengthofcementstabilizedaggre—gatecontainingBAA(0—9．5r

7、am)withweatheringtimeof30dis4．0MPa．The7dunconfinedcompressivestrengthofcementstabilizedaggregatecontainingBAAdecreaseswiththeincreaseoftheparticlesizeofBAA．TheunconfinedcompressivestrengthandsplittingstrengthofcementstabilizedaggregatecontainingBAAin—creasewiththeincre

8、aseofcuringtime，cementcontentandcuringtemperature．Keywords：bottomashfromincinerationofmunicipalsolidwaste；cementstabi