轻质泡沫混凝土的研究及应用现状1-张磊

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[]2004-12-07[](50478038);(G0209083)12,3(,225009)[],,[];;[]TU52812[]A[]1002-3550(2005)08-0044-05StateofstudyandapplicationoflightweightfoamconcreteZHANGLei,YANGDing2yi(CollegeofArchitectureScienceandEngineering,YangzhouUniversity,Yangzhou225009,Jiangsu,China)Abstract:Thedevelopmentoftheresearchandapplicationoffoamconcreteisintroduced,relatingtothebasicpropertiesandadvantageofthefoamconcrete,theresearchintheperformanceoffoamingagent,thecomponentmaterialsandthecomposi2tion,aswellastheappliedproductsinpractice.Someusualcountermeasuresagainsttheproblemsintheapplicationandtheprospectofthestudyanddevelopmentareproposed.Keywords:foamconcrete;foamingagent;lightweightcellularconcrete1,,,,50m3,,,,[1],()(),[2],,2211,[10],,,,,,,[2],,,,,[3]:(1)300kg/m31200kg/m3,25%,,,(2),,0108W/(mK)0125W/(mK),,,200mm250mm,490mm,(3),,4420058(190)Number8in2005(TotalNo.190)ConcreteTheCoreJournalofChina©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[4]21221211,,,[5][3],,:CON-AUCCW-953%HJ-3[6],,,[5]1,1[5]015%1%1%2%1%2%1%2%27322829252620221h/ml15014012011014012060401h/mm50383429383385,-,,,[5]:,20%25%;,;[7],[8],R1Sedev,,[9]21212,,:,,,,,,[5],,,,[3],;,(),,,,[3]21213,,,,[5],,,,,2m35min[6],,,[5],,,,,,[6]213(1):,,,[3],,[10](2):,,,(GB1596-91),GB6763[3]E1P1Kearsley75%,28,,,[11],[12],,,54©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[13,14],30%60%,,,(3):,,,,10%15%,,,,,3%4%,Ca2SO465%[3](4):(EPS),()[3],,,[10]214,,,,,[3],;;;;[4]215,,[6],:,,,,[10],,,30min,,,[15],,,,[10],,,,3311,,800kg/m31000kg/m3,,390mm190mm190mm,500kg/m3700kg/m3,,600mm300mm300mm3001200,100,,115MPa215MPa315MPa[6],,,2,600kg/m3,(,)(F-3)[16]2600kg/m3[16]/kg()4215R1805%3306000cm2/g45140,CaO70%820:=1:55:=1:5C-325%015:=1:10F-3315:=1:(2325)PH=7180,600:648kg/m3;316MPa;1210%;25;0172mm/m,,[16]PaulJ1Tikalsky,110MPa,[17]312()64©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()[18]::m():m():m():m():m(UNF):m():m():m()=1:(1116):(01050125):(01050120):(010050101):(010050102):(010050109):,60%[18],314MPa0172mm/m01890121W/(mK),15,,,,,[18],,,28,,40%60%,,,28d,[19],313()200kg/m31000kg/m3,(),,[20],,[21]:90kg/m3165kg/m3198kg/m36kg/m3916kg/m3200kg/m3116kg/m3,,,,[21]314(C12A7C11A7CAF2)(),,,,,[22]315EPS,,,5010%[22],,,,[23](200kg/m3600kg/m3)EPS,[24]EPS,,,[25]316GRC,,,30%45%;45%65%;5%15%[26],(mm)270060060,40kg/m2,1400N,0120W/mK,28%,,EPSPP[1]317,,,[1]4,:,800kg/m3850kg/m3210MPa;:;;;,;,[27]74©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[][1].[J].,1998,(3):3-6.[2].[M].:,1981.[3].[J].,2001,(2):35-36.[4].[J].,2003,(3):46-48.[5],,.[J].,2004,(1):13-16.[6],.[M].:,2003.11.[7].[J].,2000,(3):5-8.[8],.[J].,1998,(2):8-9.[9].[J].,2000,(7):34-35.[10],,.[J].,2002,(23/3):113-115.[11]E.P.Kearsleya,P.J.Wainwrightb.Ashcontentforoptimumstrengthoffoamedconcrete.CementandConcreteResearch,2002,(32):241-246.[12]E.P.Kearsleya,P.J.Wainwrightb.Theeffectofhighflyashcontentonthecompressivestrengthoffoamedconcrete.CementandConcreteResearch,2001,(31):105-112.[13]E.P.Kearsleya,P.J.Wainwrightb.Theeffectofporosityonthestrengthoffoamedconcrete.CementandConcreteResearch,2002,(32):233-239.[14]E.P.Kearsleya,P.J.Wainwrightb.Porosityandpermeabilityoffoamedconcrete.CementandConcreteResearch,2001,(31):805-812.[15].[J].,2000,(1):17-20.[16],,.[J].,2003,(12):22-24.[17]PaulJ.Tikalsky,JamesPospisil,WilliamMacDonald.Amethodforas2sessmentofthefreeze-thawresistanceofpreformedfoamcellularconcrete.CementandConcreteResearch,2004,(34):889-893.[18],,.[J].,2003,(1):33-35.[19],,.[J].,1999,(2):1-5.[20].[J].,2000,(5):9-10.[21],,.[J].,2003,(12):56-57.[22].[J].,2003,(31):43-45.[23],,.[J].,2002,(31):79-83.[24].EPS[J].,1998,(2):42-43.[25].[J].,1998,(5):30-32.[26].[J].,1997,(5):8-9.[27],,,.[J].,2004,(1):3-7.[],1981,,[](225009)[]13813144472;E-mail:[e-mail]43[][1],,.[J].,1994,(2):10-14.[2]G.Balabanic,etc.TheInfluenceofw/cratio,concretecoverthicknessanddegreeofwatersaturationonthecorrosionrateofreinforcingsteelinconcrete.CementandConcreteResearch,1996,26(5):761-769.[3]W.Lopez,J.A.Gonzalez.Influenceoftheporesaturationontheresis2tivityofconcreteandthecorrosionrateofsteelreinforcement.CementandConcreteResearch,1993,23:368-376.[4]J.N.Enevoldsen,C.M.Hansson,B.B.Hope,Theinfluenceofinter2nalrelativehumidityontherateofcorrosionofsteelembeddedincon2creteandmortar,CementandConcreteResearch,1994,24:1373-1382.[5].[D].,,1995.5.[6]C.Andrade,C.Alonso,J.Sarria.Corrosionrateevolutioninconcretestructurestotheatmosphere,Cement&ConcreteComposites,2002,24:55-64.[7]T.Liu,R.W.Weyers.Modelingthedynamiccorrosionprocessinchloridecontaminatedconcretestructures.CementandConcreteRe2search,1998,28(3):365-379.[8],,,.[J].,2003,33(3):8-10.[9].,,,2002.5.[10]G.Li,Y.S.Yuan,Lageffectsofenvironmentaltemperatureandrela2tivehumidityinconcrete,Advancesinconcreteandstructure(2003XuZhou),508-516.[11],.[M].:,1994.6.[]