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:100926825(2007)0820072203:2006210219:(19642),,,,030041(19822),,,066004:,,,,:,,,:TU375.1:A1,,,,,:;,;,;,;;();;(8dB20dB);,50%,Sb(1),,DD-1,,,Q3452),,;,,;K,,3),,,,33D3S1,3D3S,DD-1=1,,,20.2%41)2)3)Q345,Q2354),GB50017220035)150,,200:[1].[J].,1995(12):18219.[2],.[J].,1995(5):3422344.[3]GB5001722003,[S].[4].[J].,2004,6(2):83284.[5].[M].:,1996.60261.OptimumdesignofsteelsupportofonelargescaleelectricdustremoverZHAOLi2zhongAbstract:Baseduponanalysisofproblemsexistedinoriginalstructureutilizingfiniteelementanalysissoftwareoptimumdesignismadeforsteelsupportofonelargescaleelectricdustremover.Combinedwithonecalculationexampleoptimumeffectisverifiedinordertoprovidetheoreti2calandtechnicalreferencesforoptimumdesigninthefuture.Keywords:electricdustremover,steelsupport,optimumdesign,structuralsystem2733820073SHANXIARCHITECTUREVol.33No.8Mar.2007,,,BDF,GBF,,[1],,,2,,,[2],:,[3],,1,,[4],,[5]3,T(1,2),,,,,:M1fcbfhf(h0-hf/2)T,:s=M1fcbfh20,=1-1-2s,s=0.5(1+1-2s),As=Mfysh00.02m0.03m,,,,,,,,,3.1B,d,b1,h1,:d24=b1h1,d464=b1h1312,h1=32d,b1=3d6,h=h-h1Bb1,3.2B,;,,,41)1/251/352)C203)30%50%4)0.2%1.2%5):6mL15m(),10mL25m()6):a=0.10h0.20h(35),d=0.55h0.85h,b=0.08h0.20h(30),t=0.08h0.30h(30)35:,,,,:1),2),,10mm3),,4),,5),6),,,30mm6,,1000m22438,4d,7,,,3733820073::100926825(2007)0820074202:2006212201:(19832),,,221008(19822),,,221008(19792),,,221008:,,,,:,,:TU317:A,,,,,,,,,,,[1,2],[3],,11.1,12,,1.2C30,,,1,21.3,1.4,,,:[1],.[J].,2004,25(3):49251.[2],,,.[J].,1993(2):17226.[3],,.[J].,2000(5):39242.[4],,.[J].,2002(7):24226.[5],.[J].,2004,25(5):78284.Characteristicsandresearchprogressofcast2in2sitereinforcedconcretehollowsectionshapedfloorwithoutbeamSHENGYun2anSHENGXing2yuAbstract:Presentresearchsituationsofcast2in2sitereinforcedconcretehollowsectionshapedfloorwithoutbeaminourcountryareintroducedaswellasitsdesignprinciple.Furtherintroductionismadefordesigncalculationofone2wayandtwo2wayconcreteslab.Constructionrequirements,technicalprocessandconstructionrequirementsarediscussed,whichprovidegoodtheoreticalreferencesforitsapplicationinmodernarchitecture.Keywords:cast2in2sitereinforcedconcrete,beamlessroof,one2wayslab,two2wayslab4733820073SHANXIARCHITECTUREVol.33No.8Mar.2007