整体式高层钢货架结构的格构式立柱设计方法

(100022)(100866):;,,;,:DESIGNMETHODOFLATTICECOLUMNFORINTEGRATIVETALLSTEELSTORAGERACKLiXiongyanXueSuduo(TheCollegeofArchitectureandCivilEngineering,BeijingUniversityofTechnologyBeijing100022)LiYuan(ThePerviceCentreofChinaRadioFilmandTelevisionGroupBeijing100866)Abstract:Theconstructionsoflatticecolumnforintegrativetallsteelstorageracksareintroduced1Accordingtothecharactersofconstructionandload2bearingforlatticecolumn,thereasonabledesignmethodsinpresentcodesarerecommended1Basedonthedesignmethod,itwouldbeeasyforengineersinfabricatingcompanytodesignthestructuralsystem.Withtheprincipletodeterminetheeffectivelengthforcolumn,thestiffnessandstrengthrequirementsforthelateralbracingsoflatticecolumnanditslegsareanalyzed1Keywords:latticecolumndesignmethodeffectivelengthlateralbracings1,,[1]1520m,530m,8m1,,,,,111,,,,,1-;2-;3-;4-;5-;6-;7-1:19736:2006-04-02112595IndustrialConstructionVol.36,Supplement,2006200636,,,,,,,,,,,,,,,,,,,,2211,,,,,2,,,,1-;2-;3-2212:,LL,[1]:1/2,=1.1;2/3,=1.6;2/3,=2.0L2;,L1,,L3(1)3311,,,,,(x)(GB50018-2002)[2]:695200636=NAenf(1),,N,Aen,f:=NAenMxWenxf(2),MxWenx312,(GB50018-2002)[2]:NAnf(3),,An,,(4)(5):NxAe+mMx1-NNEWexf(4)NyAe+MxWexf(5)(3)(5),:a.,,,,b.,,,c.(5)y0y,oy[2]d.,,313(3),,:N1=x2hN(6)N2=x1hN(7)Mx1=I1/x1I1/x1+I2/x2(8)Mx2=I1/x2I1/x1+I2/x2(9)1-1;2-23,,[2],212,,,[2],,4,,,,[1],,[1],,,200[3],,,795,,,,,,[3](GB50017-2003),,,(10)Fbn=Ni600.6+0.4n(10),ni,n,,[3],m(11):Fbn=N/[30(m+1)](11)m,(12)[4]:Fb=Ni30(m+1)0.6+0.4n(12)(12),[4](12)(13)[4]:Kdthcos2=3.6nN/l(13),Kdth,,l,L=12m,215m,,30m,,Ni=283kN[4],b=185,:i=2500/185=1315mm,C,C40352.0,imin=13.5mm,,A=258mm2b=185:=0.201:Fb=0.201258205=10.63kN[4],n=6,,310m,m=2,(12):Fb=12.45kN,[4],,18%,,:1),2),,,,(12),3),,(12)4),8[4]51),,,,;2),,,1CECS23902GB50018-20023GB50017-20034,11,2003,33(5):9-12895200636