21m跨径简支梯形钢屋架设计(有檩).pdf

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1、目录1.设计资料.12.屋架形式及几何尺寸.13.支撑布置.14.荷载和内力计算.24.1 荷载计算.24.1.1 永久荷载（水平投影面）.24.1.2 可变荷载 .24.2 荷载组合.34.3 内力计算.35.杆件截面选择及验算.55.1 上弦杆件截面.55.2 下弦杆件截面.65.3 斜腹杆件截面.65.4 竖直杆件截面.10 6.典型节点设计.11 6.1 下弦节点“b”.11 6.2 上弦节点“B”.12 6.3 屋脊节点“K”.14 6.4 支座节点“a”.14 7.参考文献.17 8.结束语.17 武汉理工大学钢结构课程设计说明书1 21m跨径简支梯形钢屋架设计（有檁）1.设计资料

2、厂房跨度为 21m，长度为 96m，柱距为 12m，简支于钢筋混凝土柱上，屋面材料为长尺压型钢板，屋面坡度为i=1/12，采用轧制 H 型钢檩条，水平间距自定，基本风压位w0=0.5 KN/m2,屋面离地面高度为20m，雪荷载为 s0=0.4 KN/m2，不考虑风压。钢材采用Q235B，焊条采用 E43型，混凝土标号为C20。2.屋架形式及几何尺寸该屋架为有檁屋盖方案，i=1/12，采用平坡梯形屋架。屋架计算跨度030020700LLmm，端部高度取02000Hm，中部高度 2863mm，屋架杆件几何长度如图 2.1 所示。3.支撑布置支撑布置如图 3.1 所示文档编码:CM4D3V8K5K9

3、 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2

4、C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9

5、 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2

6、C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9

7、 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2

8、C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9

9、 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1文档编码:CM4D3V8K5K9 HK4H6X1V5K7 ZG9A4M2C6F1武汉理工大学钢结构课程设计说明书2 4.荷载和内力计算4.1 荷载计算4.1.1 永久荷载（水平投影面）压型钢板21450.150.15112KN m檩条（约 0.5 KN/m，水平间为 1.5m）20.3 3 3K Nm屋架及支撑自重20.120.0110.351LKN m恒载总和20.8 3 5K Nm4.1.2 可变荷载（1）因屋架受荷水平投影面积超过60m2，故屋面均布活荷载取为（

10、水平投影面）20.3KN m，小于雪荷载，故活荷载取为20.4 KN m。（2）风荷载：风荷载高度变化系数为1.25，屋面迎风的体形系数为-0.6，被风面为-0.5，所以负风压的设计值（垂直与屋面）为迎风面：211.40.6 1.250.50.525wKMm背风面：221.40.51.250.50.4375wKN m文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 H

11、O6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP

12、4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编

13、码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1

14、 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5

15、ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文

16、档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5

17、K1 HO6Y9H8I1R5 ZP4J9C5X10X3武汉理工大学钢结构课程设计说明书3 1w和2w垂直与水平面的分力未超过荷载分项系数取1.0 时的永久荷载。故将拉杆的长细比控制在350 以内。4.2 荷载组合跨度中央每侧各两根斜腹杆均按压杆控制其长细比，只计算全跨满载时的杆件内力。节点荷载设计值：（1）按可变荷载效应控制的组合：(1.20.8351.40.4)1.5 1228.6dFKN其中永久荷载分项系数11.4Q,屋面活荷载或雪荷载，荷载分项系数11.4Q。（2）按永久荷载效应控制的组合(1.350.8351.40.40.7)1.51227.9dFKN其中，永久荷载分项系数1.35G,

18、屋面活荷载或雪荷载，荷载分项系数11.4Q，组合系数10.7。故节点荷载取为 28.6KN,支座反力7200.2ddRFKN。4.3 内力计算屋架在上述荷载组合作用的计算图4.3.1 所示，用软件求得在F=28.62KN M作用下屋架各杆的内力入图4.3.2 所示。文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编

19、码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1

20、 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5

21、ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文

22、档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5

23、K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R

24、5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X

25、3武汉理工大学钢结构课程设计说明书4 内力计算杆端内力值 (乘子=1)杆端 1 杆端 2 单元码轴力剪力弯矩轴力剪力弯矩 1 118.800000 0.00000000 0.00000000 118.800000 0.00000000 0.00000000 2 287.815873 0.00000000 0.00000000 287.815873 0.00000000 0.00000000 3 358.800000 0.00000000 0.00000000 358.800000 0.00000000 0.00000000 4 357.437554 0.00000000 0.00000000

26、357.437554 0.00000000 0.00000000 5 358.800000 0.00000000 0.00000000 358.800000 0.00000000 0.00000000 6 287.815873 0.00000000 0.00000000 287.815873 0.00000000 0.00000000 7 118.800000 0.00000000 0.00000000 118.800000 0.00000000 0.00000000 8 -14.3000000 0.00000000 0.00000000 -14.3000000 0.00000000 0.00

27、000000 9 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 10 -218.369945 0.00000000 0.00000000 -218.369945 0.00000000 0.00000000 11 -218.369945 0.00000000 0.00000000 -218.369945 0.00000000 0.00000000 12 -334.871299 0.00000000 0.00000000 -334.871299 0.00000000 0.00000000 13 -334.8712

28、99 0.00000000 0.00000000 -334.871299 0.00000000 0.00000000 14 -367.191656 0.00000000 0.00000000 -367.191656 0.00000000 0.00000000 15 -367.191656 0.00000000 0.00000000 -367.191656 0.00000000 0.00000000 16 -367.191656 0.00000000 0.00000000 -367.191656 0.00000000 0.00000000 17 -367.191656 0.00000000 0.

29、00000000 -367.191656 0.00000000 0.00000000 18 -334.871299 0.00000000 0.00000000 -334.871299 0.00000000 0.00000000 19 -334.871299 0.00000000 0.00000000 -334.871299 0.00000000 0.00000000 20 -218.369945 0.00000000 0.00000000 -218.369945 0.00000000 0.00000000 21 -218.369945 0.00000000 0.00000000 -218.36

30、9945 0.00000000 0.00000000 22 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 23 -14.3000000 0.00000000 0.00000000 -14.3000000 0.00000000 0.00000000 24 -220.617882 0.00000000 0.00000000 -220.617882 0.00000000 0.00000000 25 170.679610 0.00000000 0.00000000 170.679610 0.00000000 0.00

31、000000 26 -28.6000000 0.00000000 0.00000000 -28.6000000 0.00000000 0.00000000 27 -130.968591 0.00000000 0.00000000 -130.968591 0.00000000 0.00000000 28 85.6306028 0.00000000 0.00000000 85.6306028 0.00000000 0.00000000 29 -28.6000000 0.00000000 0.00000000 -28.6000000 0.00000000 0.00000000 30 -50.3798

32、995 0.00000000 0.00000000 -50.3798995 0.00000000 0.00000000 31 14.3059360 0.00000000 0.00000000 14.3059360 0.00000000 0.00000000 32 -28.6000000 0.00000000 0.00000000 -28.6000000 0.00000000 0.00000000 33 18.2822477 0.00000000 0.00000000 18.2822477 0.00000000 0.00000000 34 18.2822477 0.00000000 0.0000

33、0000 18.2822477 0.00000000 0.00000000 35 -28.6000000 0.00000000 0.00000000 -28.6000000 0.00000000 0.00000000 36 14.3059360 0.00000000 0.00000000 14.3059360 0.00000000 0.00000000 37 -50.3798995 0.00000000 0.00000000 -50.3798995 0.00000000 0.00000000 38 -28.6000000 0.00000000 0.00000000 -28.6000000 0.

34、00000000 0.00000000 39 85.6306028 0.00000000 0.00000000 85.6306028 0.00000000 0.00000000 文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:C

35、L1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO

36、6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4

37、J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码

38、:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1

39、HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 Z

40、P4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3武汉理工大学钢结构课程设计说明书5 40 -130.968591 0.00000000

41、 0.00000000 -130.968591 0.00000000 0.00000000 41 -28.6000000 0.00000000 0.00000000 -28.6000000 0.00000000 0.00000000 42 170.679610 0.00000000 0.00000000 170.679610 0.00000000 0.00000000 43 -220.617882 0.00000000 0.00000000 -220.617882 0.00000000 0.00000000 5.杆件截面选择及验算腹杆最大内力为-220.7KN，查表可知，选用中间节点板厚度为t

42、=8mm。支座节点板厚度 10mm。5.1 上弦杆件截面整个上弦杆不改变截面，按最大内力计算max367.2NKN01505xlmm03000ylmm选用2 100 8L（如图 5.1.1所示）231.28Acm3.08xicm4.4 5yic m048.8xxxli06 71 5 0yyyli0.7 6 9y(b类)双角钢 T型截面绕对称轴（y轴）应按弯扭屈曲计算长细比yz。因为00.58100.5830012.517.40.810ylbtb故有04422220.4750.475 10(1)67(1)72.53000.8yyzyybl t则有max72.5yz，故0.736（b类）32223

43、67.210159.52150.73631.28 10NN mmfN mmA填板每个节间放一块（满足l 范围内不少于两块），75.340122ali文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y

44、9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9

45、C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:C

46、L1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO

47、6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4

48、J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码

49、:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3文档编码:CL1Q7J7P5K1 HO6Y9H8I1R5 ZP4J9C5X10X3武汉理工大学钢结构课程设计说明书6 5.2 下弦杆件截面下弦也不改变截面，按最大内力计算max358.8NKN030

50、00 xlmm010500ylmm，链接支撑的螺栓孔中心至节点板边缘距离为100mm，可不考虑螺栓孔的削弱选用 2 110 70 8L（短肢相并如图 5.2.1所示）227.8Acm1.9 8xic m5.3 4yic m0151.5xxxli01 9 6.63 5 0yyyli3222358.8 10129.121527.810NN mmN mmA填板每个节间放一块15080158.4ali。5.3 斜腹杆件截面（1）杆件 B-a 220.7NKN002507xyllmm选用 2 110 70 8L(长肢相并如图 5.3.1 所示)227.8Acm，3.51xicm，2.85yicm071.