体育馆大厅空心无梁楼盖结构设计应用探讨

27320056()JofChinaThreeGorgesUniv.(NaturalSciences)Vol.27No.3Jun.2005:2005203228:(1960-),,.112(11,410082;21,344100):,2,.:;;;;;:TU318:A:16722948X(2005)0320216204DiscussiononDesignofaHollowBeamlessRoofforHallofGymnasiumandItsApplicationLianXiaozhuang1ChenXiaoming1ZhaoXiaowen2(1.DepartmentofArchitecture,HunanUniv.,Changsha410082,China;2.OfficeofCapitalCoustruction,DonghuaInstituteofTechnology,Linchuan344100,China)AbstractBasedonacasestudyofroofdesignofabasketballmatchhallofthegymnasium,anewroofdesignandroofstructurelayoutmethodology,acast2in2placeconcretebeamlessroof,isintroduced.Inaddition,challengesandsuggestionsinpracticalimplementationofthisnewmethodaredicussed.Keywordshollowbeamlessroof;stiffnessreducingcoefficient;postboarding;steppingmiddleboard2ing;equivalentframegirderandequivalentsecondarygirder;solidhiddengirder,,.,,.1,,,,,.,,.-,:,;;;;;;.212,,GBF(),,,,,.,,,,,.,,,,,,.,,,.,,.,,,,.1122,[1].,.()L/6,:B=28400/6=2800mm,,8400-2800=5600mm,L/3,:B=8400/3=2800mm.3,.3L/25L/30(L),:8400/25=336mm,:350mm.2.1.[1,2]1000mm(+3),,.2.1.1(1)4,B3503/12=1/12(2903503-2302303),B=224mm;=224/290=0.77.(2)5,B3503/12=1/12(2903503-2902303),B=208mm;=208/290=0.72.45.B=1000+18000.77=23862400mm;B=1000+18000.72=22962300mm;B=28000.77=21562200mm;B=28000.72=20162000mm.7122732.22.2.1=+,1.5+0.5=2kN/m2;6.3kN/m2.3.5kN/m2.5.5kN/m2.2.2.2q=-(Bh25);2.2m:q=-(2.20.3525)=-19.3kN/m;2.0m:q=-(20.3525)=-17.5kN/m.q=-(B-1)h25+6.3();2.3m:q=-[(2.3-1)0.3525+6.3]=-17.7kN/m;2.4m:q=-[(2.4-1)0.3525+6.3]=-18.6kN/m.2.32.3.1TBSA5.0.70%,30%.Y,,A=4900mm2,1m:490070%=3430mm2,203430/314.2=11,:(4900-3430)/(2.8-1)=817mm2/m,12@130.2.3.2.Z,Y,X,AX+AY=1600+2000=3600mm2,X:3600/(8.4-2.8)=643mm2/m,12@150..L/4.6,,.,,.2.4+3,.C30,1/251/30Ld(Ld).0.2%,1.2%.30%55%.660mm.600mm.79.789812()200563,.,,.,,,:,,,,,,.:[1],.[M].:,2000.[2].[J].,1999,182(2):1114.[](204),XcXd,.5,XcXd,,.,.,,,.:[1].[J].,2004,28(12):4550.[2],,.[J].,2000,33(1):4096.[3].[M].:,1996.[4].500kV[J].,1997,25(1):8286.[5],.[J].,2004,24(1):4951.[6].[M].:,1993.[7],,.[J].,2000,23(4):9095.[8],.[J].(),2003,25(5):425428.[9],,.[M].:,2002.[10].[M].:,1990.[11]PauloGomes.GuidelinesforPowerSystemRestorationintheBrazilianSystem[J].IEEETrans.onPowerSys2tems,2004,19(2):11591164.[]912273