土木工程学院钢结构课程设计

1、图1 20.07KN/mm 。屋架支撑于钢筋混凝土柱上，按铰接点计算。钢材选用Q235-B，2焊条选用 E43，手工焊。3. ） F1F2 FF 1F2F4F2 3FFFFFF/FFFF22F/FF F2222F22FF222FF22FF22FF2F F F/221111111111111109520991acbd(a)(b)FFFFF/F2 F2222F2F2FGF2FFFFF FF2FF/1E1/D11C11B112A1111FFFFF/ FF2222222FF2FF/ FF24F/24444F4F444FFFF/ F33F2333F/233333333(c) 杆件内力计 算内力全 部 屋

2、 架 大型屋面板 1.89恒 载 支 撑 在左 在右 全部3.578 0.608组 合 组 合 组 合ABBCCDDEEFFGabbccdaBBbbDDcCfFdAaCbEcGd0.00-3.79-3.78-5.47-5.47-5.54-2.120.61-3.28-3.28-4.34-4.34-3.73-0.851.31-1.51-1.51-2.75-2.75-3.73-1.98-0.580.51-4.36-4.35-6.30-6.29-6.37-2.440.70-143.84-143.63-207.85-207.70-210.32-80.6223.25-138.02-137.83-197.3

3、0-197.15-196.02-72.0026.51-86.01-85.89-116.34-116.26-104.32-28.3829.44-143.84-143.63-207.85-207.70-210.32-80.6229.441.4553.3352.4336.5253.33-3.962.85-9.566.39-3.873.46-3.542.37-1.431.28-4.563.28-150.49108.19-79.0942.27-144.99103.28-74.2838.11-92.1462.69-150.49108.19-79.0942.27-2.081.11-4.061.38-3.39

4、2.93-6.473.46-1.510.51-1.251.08-2.401.28-41.3116.210.38-0.71-0.48-0.50-0.91-0.930.85-2.54-1.73-1.79-3.27-3.343.03-0.43-0.29-0.30-0.56-0.570.520.72-2.902.56-1.34-0.91-0.95-1.73-1.771.600.27-1.070.95-0.50-0.34-0.35-0.64-0.650.59-16.41-11.16-11.55-21.10-21.5819.58-12.29-14.81-11.55-21.18-21.6616.682.99

5、-16.41-21.82-11.55-21.18-21.6619.58-1.45-0.50-0.93-0.950.08-2.73-0.95-1.77-1.800.15-1.01-0.35-0.65-0.670.06-21.82-8.630.000.000.000.030.060.02-16.07-16.423.900.030.050.020.080.150.06 、l l 1.508m l 2 ，0 x00y N 3A2f 0.807l1.50860i 25.1mm50.3mm0 xxl3.01660i 0yy 6y6xxy110706l ixxl iyy yx0.655yN210.32103

6、 Pa215M PaA 0.6552120y截 面 回 转 半 径 长细比面 积 （cm）计算长度cm 截面规格计算应力Nlliy0 x0yyxyy（）11070630.16885150.000.7200.655151.55100801034.402.534.63118.58191.14150.000.4470.204-114.88aBBbbDDcCfFdAaCbEcGd25331.0014.4214.4211.2219.2419.248.121.741.591.591.281.791.791.141.281.381.284.864.324.323.144.784.783.093.413.72

7、3.14145.40131.47144.10179.00139.62139.62139.65143.13150.14180.6352.0660.4966.3091.2165.3665.3664.4067.1669.6292.04150.00350.00150.00350.00150.00150.00150.00150.00150.00350.000.3220.3830.3290.2270.3490.3490.3490.3330.3080.2250.8470.8070.7740.6140.7800.7800.7860.7690.7570.608-150.76195.89-166.71165.96

8、-24.44-32.50-40.76-56.69-29.8077.56209.04229.12229.12249.92249.92159.2183.2207.2231.2261.3286.4286.4312.4312.4199-16.41-21.82-11.55-21.18-21.6619.5822927045511.2223.6011.222755010259270455289、 用f wf。N=21.18KNN2 70455N2 9056556 506 506941N=80.62KNN=29.44KN631331155145下弦节点bh f 0.75N 0.75 108190l mm 。2

9、h f2 0.7 6 160wwe f 0.25N0.25 108190l mm 2h f2 0.7 6 160wwe fh f 0.75N0.75 79090l mm 。2h f2 0.7 6 160wwe f 0.25N0.25 79090l mm 2h f2 0.7 6 160wwe fh fh， f: f 2 6 ”175145B8062 6 6 2 h 和f0.75N0.75 150490 l mmmm 2h f2 0.7 8 160wwe f0.25N0.25 150490 l 2h f2 0.7 6 160wwe f Phh， ffPk (N N ) () ()2222 2 2

10、6 112 2 l f w wfPk (N N ) () ()2222 2 2 6 212 2 l f w wf ”h f0.75N0.75 21180 l mm 。2h f2 0.7 6 160wwe f0.25N0.25 21180 l mm 2h f2 0.7 6 160wwe fPk (N N ) () ()2222 2 112 2 l2 6 (173 f w wfPk (N N ) () ()2222 2 2 6 (126212 2 l f w wf”h f150 150007 035N=210.32KN2 1107061 2 704556屋脊节点G= lw 4 8 l 2(l 2h

11、 )+。swfh 和f0.75N 0.75 210320 l mm 。2h f2 0.7 8 160wwe f0.25N 0.25 210320 l mm 2h f2 0.7 6 160wwe fPk () ()2222 2 2 8 (1501 2 l f w wfl 15 615w0.15 210230 MPaNf2 0.7 6 96 6 0.15 210230 54.3 132.71MPaM2 0.7 6 962f132.71 ) () (39.15) () 115.61MPa 160MPaN 2f2221.221.22A” 。0056604 662004635061601510130 130270212525a20355 251102