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:100926825(2007)0620173202PU:2006209220:(19722),,,,075100(19772),,,,0751000(19722),,,,0751000:PU,PU,,PU:PU,,,:TU532.7:APU,,,,11.1,,,1.2,33.12600MW,,2600MW,5km,,,,3.220051020067,C40,:42.5;;16mm31.5mm;;HZ26I;C40:;,11128d/MPa/kg42067410961806016.847.2228d/MPa/kg37070910961807516.248.03.3():42.5:290/t;KDNOF29:2800/t;:70/t;:190/t,()()4.45/m33.4,,,4,,,,,:[1],.[J].,2005,31(10):1222123.[2].[J].,2005,31(12):1322134.ThefunctionsofmineralpowderinpumpedconcreteQINYu2fengAbstract:Thispaperillustratesadditionanditsfunctionsinconcrete,comparesadditionwithconcretechemicaladditive,discussestheapplica2tionconditionofmineralpowderinconcreteconstruction,andshowsbypracticesthatadditionhasobviouseffectsinreducingcementcontent,protectingenvironment,savingresources,andimprovingvariousperformancesofconcrete.Keywords:mineralpowder,addition,chemicaladditive,concrete,cementcontent37133620072SHANXIARCHITECTUREVol.33No.6Feb.2007©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(mK)0.04W/(mK),20kg/m3,;,,1.5PU,,,,2%5%,,PU2PU2.12.1.1,(18)2.1.2,,15mm20mm,,,,,PU,2.1.3,,2.1.4,2.22.2.1,,,PU2.2.21min,,PU,2/3,60mm,40mm,10mm2.2.3PU10min,1h,10mm,2.32.3.1PU,2.3.2PU,,,PU,2.3.3,(5%,3),33.1PU,:1)PU;2),PU,;3),,PU:PU,,3.2PU,,5,,,4PU,,,,,,,,:,,50TheapplicationofpolyurethanePUfoamingjointfillerinplasticdoorandwindowYANGRui2fengBAIXiao2yunGAOLi2qinAbstract:ItcomparestheperformancesofpolyurethanePUfoamingjointfillerfromdifferentangles,illustratesconstructionmethodsofeachstepofPUfillerconcreteconstruction,discussespreventivemeasuresandsafetyproductionmeasuresforcommonqualityproblemsinthepro2cessofconstruction,andpointsoutthatthisPUfillerhasextensiveapplicationprospectintheinstallationofplasticdoorandwindow.Keywords:PUjointfiller,plasticdoorandwindow,economicindicator,jointfillingmethod47133620072©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.