支吊架计算

管道上一阶固有频率应大于3.5Hz，最大挠度值不应大于2.62mm59页

LmaxEtIq

Lmax0.21184EtIq按刚度条件水平直管支吊架最大允许间距(m)钢材20#在设计温度下20的弹性模管子截面惯性矩管道单位长度自重管重水重

管子截面抗弯矩按强度度条件

水平直管道上支吊架最大允许间距

WLmax0.4336EtEt

Wq钢材20#在设计温度下100的弹性模钢材20#在设计温度下200的弹性模

水平90度弯管两端支吊架间的管道展开长度，不应大于水平直管道上允许支吊架的最大间距的0.73倍

322.527382.53357351763.569481

DN 25DN 25DN 50DN 65DN 8032x2.538x2.557x376x3.5x4

108133159

444.5100125150DN 100DN 125DN 150108x4133x4159x4

m

kN/mm^2cm^4kN/mkg/mkg/mcm^3m

kN/mm^2

kN/mm^22.552.761981982.4.410.023920.030441.8192.10.5730.8551.592.323.61

3.88

1831753.333.8019819818.6152.500.060430.0999746.2582.0433.7396.5313.824.61

5.21

183175

4.114.44198196.68176.960.135380.181138.38510.2595.1537.821.73

32.775.62

5.97

4.825.23198198337.53652.270.250020.3481712.7317.14612.27217.67150.7682.05

6.32

6.81

0.73倍

21927367207259DN 200DN 250219x6273x7

6.116.761981982278.745177.310.651740.9860531.5245.9233.652.685208.10379.29

7.93

8.70