钢结构宽厚比要求-

梁单位mm工字型梁钢号截面高h截面宽b腹板厚tw翼缘厚tf腹板净高hw345400200816368宽厚比高厚比b0/tf现值最小tf最大b梁轴力比hw/tw普钢规13.0693510.180.0高钢规——7度及以上9.061324662.06度及以下11.061129973.0抗震规12层以下～7度11.061129973.08度10.061227269.09度9.061324662.0柱（7度以上设防的框架柱长细比不宜大于60*sqrt(235/fy)）工字型柱钢号截面高h截面宽b腹板厚tw翼缘厚tf腹板净高hw235400250614372最大长细比95.469截面积9232Ix(mm4)2.866E+08Iy(mm4)宽厚比高厚比b0/tf现值最小tf最大b偏压比hw/tw普钢规13.08.7142993700.275.9高钢规——8度及9度10.08.714291228643.07度11.08.714291131443.06度及以下13.08.71429937075.9抗震规12层以下～7度13.08.71429937052.08度12.08.714291034248.09度11.08.714291131444.0双工字组合柱钢号截面高H1截面宽B1腹板厚tw1翼缘厚tf1腹板净高hw13453002001024121截面高h2截面宽b2腹板厚tw2翼缘厚tf2腹板净高hw23002001024126最大长细比100截面积24140Ix(mm4)2.286E+08Iy(mm4)宽厚比高厚比b0/tf现值最小tf最大b偏压比hw/tw普钢规20.03.958336802075.0高钢规——8度及9度10.03.958331240643.07度11.03.958331044643.06度及以下20.03.95833680275.0抗震规12层以下～7度13.03.95833952552.08度12.03.958331048548.09度11.03.958331044644.0翼缘外伸b096现值最小tw最大h46.0652846.0740946.0648246.0648246.0645646.07409翼缘外伸b0柱计算长度长细比x长细比y122600034.195.53.647E+07每米重(kg)72.5现值最小tw最大h62.0545662.0925862.0925862.0545662.0731262.0828862.08264翼缘外伸b01柱计算长度长细比x长细比y9515557159.9159.9翼缘外伸b02952.286E+08每米重(kg)189.5现值最小tw最大h12.1261912.1335512.1335512.1261912.1342912.1339612.13363