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:100926825(2005)2120089202:2005207220:(19782),,1999,,,030001(19772),,1998,,,030001:,,,,:,,,:TU756.44:A12,,,1,6,61.0m,65.0m,15.5m,L,11000m26,15m15.3m,(GBF)2,,8,0.20g,:1),15m15.3m2),650mm3),3.5kN/m2,,,,34),20m,20mm,,3.3,1),10%30%,,,,2),,,,,,240mm240mm,4123)M5M7.5,,4),4m,(120mm),12,65),,,,M5,4,6),,,410,6@200,C204,,,,,,,;,:[1]GB500322001,[S].Reasonscausedthecracksonthetopwallinmasonry2concretebuildingandpreventivemeasuresQIZhi2weiAbstract:Baseduponanalysisonthephenomenaandcharactersofthecracksinthewallofmasonry2concretebuildings,thereasonscausedthecracksarestudied;atthesametimecorrespondingcomprehensivepreventionandtreatmentmeasuresareproposedtopreventandeliminatecrackstomeettherequirementsonnormalservicefunctionsofbuildings.Keywords:temperaturecrack,preventivemeasure,temperaturestress983121200511SHANXIARCHITECTUREVol.31No.21Nov.20053.1,,,;,,,1m,50mm,,,,,,,h,,,,,1Y:Y,X,X(Y),Y,,3.2L/4,,,12%,,0.75550600,,,,70%,70%#,,15m6,:5=,,600mm:I=5506003/12-0.04915004=6831250000,:B=12I/6003=380mm550mm,:r=380550=0.69115m15m7.5m,75000.691=5183mm1037mm,,10%,:B=(As1+As2+As3+As4+As5)/53.31)+3;,50%;1/31/4;2.0h,2.5h,;2)GBF50mm;GBF0.1h0.2h(h),40mm,50mm;GBF50mm;GBF,,,,;,,GBF,,4,;,,,;,30%40%,,,Designofcast2in2placeconcretehollowno2girderfloorMALiangLIXiao2xiaAbstract:Combinedwithspecificengineering,itintroducesdesignprinciplecalculationmethodandstructureofcast2in2placeconcreteno2gird2erfloor,pointsoutithasmanymeritscomparingwithframestructure,anditsapplicationforegroundwillbeextensive.Keywords:hollowno2girderfloor,design,calculation,framegirder093121200511