预览加载中，请您耐心等待几秒...

UHPC装配式排水槽研发及工程应用.docx

预览
1/3
2/3
3/3

在线预览结束，喜欢就下载吧，查找使用更方便

下载提示 文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

UHPC装配式排水槽研发及工程应用 摘要： Ultra-high-performanceconcrete(UHPC)isahigh-strengthandhigh-densitycompositematerialthathasgainedpopularityinrecentyearsduetoitssuperiorproperties.Inthispaper,wediscusstheresearchandengineeringapplicationsofUHPCforprefabricateddrainagechannels.WereviewthepropertiesofUHPCandtheadvantagesitoffersforprefabricatedconstruction.WealsoexaminethedesignandmanufacturingaspectsofprefabricateddrainagechannelsusingUHPC,anddiscussthefieldapplicationandperformanceofthesechannels.Finally,weidentifythechallengesandopportunitiesforUHPC-baseddrainagechannelsinthefuture. 关键词：UHPC；装配式；排水槽；工程应用 1.Introduction Inrecentyears,prefabricatedconstructionhasbecomeanincreasinglypopularmethodforbuildingvariousstructures,includingdrainagechannels.Prefabricatedconstructionoffersnumerousbenefits,suchasreducedcosts,fasterconstructiontimes,andimprovedqualityofthefinishedproduct.However,thequalityanddurabilityofprefabricateddrainagechannelscanvarygreatlydependingonthematerialsusedintheirconstruction.Ultra-high-performanceconcrete(UHPC)isapromisingmaterialforprefabricatingdrainagechannelsduetoitssuperiorproperties,suchashighstrength,highdensity,andexceptionaldurability. Inthispaper,wediscussthepropertiesofUHPCanditsadvantagesforprefabricatedconstruction.WealsoexplorethedesignandmanufacturingaspectsofprefabricateddrainagechannelsusingUHPCandexaminetheirfieldperformance. 2.PropertiesofUHPC UHPCisatypeofconcretethatiscomposedofhigh-strengthmaterialssuchascement,silicafume,quartzpowder,andsteelfibers.Duetothefineparticlesandhigh-densitymaterialsusedinitsmanufacture,UHPCexhibitsexceptionalstrengthanddurability.Itscompressivestrengthcanreachupto150MPa,whichisseveraltimeshigherthanthatoftraditionalconcrete.UHPCalsohasalowpermeability,highabrasionresistance,andexcellentfreeze-thawresistance. 3.AdvantagesofUHPCforPrefabricatedConstruction TheuseofUHPCinprefabricatedconstructionoffersseveraladvantagesovertraditionalconcreteandothermaterials.Firstly,UHPChasahighstrength-to-weightratio,whichme