附录常用型钢规格表普通工字钢符号:h—高度;b—宽度;tw—腹板厚度;t—翼缘平均厚度;I—惯性矩;W—截面模量i—回转半径;Sx—半截面的面积矩;长度:型号 10~18,长 5~19m;型号 20~63,长 6~19m
尺寸(mm)型号1012
614161820ababababa32bca36bca40bca45bca50bca56bca63bc630560500450400360320hmm100126140160180200bmm6874808894100102110112116118122124130132134136138140142144146150152154158160162166168170176178780twmm4
510121410
512141612
513151722152114
520141813
8121511
59截面面积(cm2)14
1102102111120119129139135147158155167180理论重量(kg/m)11
6101109106115124122131141x-x 轴Ixcm42454887121127169923692502340635835