构件编号外径壁厚内径外面积内面积截面积自重IW回转半径immmmmmcm2cm2cm2kg/mcm4cm3cmLB14001636812571064193151.5235639.111781.9613.59LB229982837026297357.417747.42518.2210.29LB324582294714126046.764186.87341.798.38LB420381873242754938.472333.37229.896.90LB515261401811542821.60734.5296.655.17项目:香格里拉酒店日期:2002,05内容:钢管节点焊缝计算1,焊缝长度计算:主管直径d=351mm支管直径ds=180mm满足ds/d=0.510.65θ为支管与主管夹角,由tg(θ)=1.000得sin(θ)=0.707根据《钢结构设计规范》(GBJ17-88)公式10.0.6-1Lw=(3.25ds-0.025d)(0.534/sin(θ)+0.466)=704mm2,焊脚高度计算:支管轴力N=1000kN角焊缝设计强度ffw=200N/mm2根据《钢结构设计规范》(GBJ17-88)公式7.1.2-1N/(he*Lw)≤βf*ffw其中βf=1.0得he≥N/(ffw*Lw)=#DIV/0!mm