1、杆件 杆件杆内力(KN)截面形式和规格截面面积A、A(cm2)计算长度回转半径长细比(N/ mm2 )(N/ mm2 )填板数端部焊缝名称编号 (cm)(cm)(cm)(cm)肢背肢尖上弦AI-711.121409010短肢相并44.52150.8301.62.566.7758.944.5451.81500.813196.478下弦ai+706.92 12580831.9830011852.286.07131.6195.23502214斜腹杆Ba-413.3412580831.98253.5253.54.013.2763.277.585.91500.649199.1528-1806-130Bc
2、+320.6170616.31208.6260.82.153.269780350196.4526-1905-110Dc-253.5090621.28229.5286.92.794.0582.2670.841500.673177.0126-1605-90De+172.4263512.28228.72285.91.942.97117.996.26350140.4126-1105-90Fe-114.6475514.82250.3312.92.333.45107.490.691500.508152.2736-805-80Fg+62.79(-5.25)56510.84249.5311.91.722.69
3、145.1115.91500.326(14.86)57.9235-805-80Hg+36.02(-35.37)63512.28271733961942971401114341500.345(83.49)29.4735-805-80Hi-78.14(27.18)63512.28270.7338.4194297139.5111.321500.34918233(22.13)35-805-80竖腹杆Aa-23.3063512.28179.1179.11.942.977316031500.74921.425-805-80Cc-46.6063512.28183.22291.942.9794.4377.11500.52672.1425-805-80Ee-46.6063512.28207.22591.942.97106.887.211500.51373.9735-805-80Gg-46.6063512.28231.22891.942.97119.297.311500.44285.85935-805-80Ii+93.2635 X012.28287.12.45117.1835097.0435-805-80附表2:屋 架 杆 件 截 面 选 择 表