力学计算中立杆稳定系数φ计算表EXCEL

表B 钢管截面特性

每米长质量(kg/m)

截面模量W(c回转半径i(c

外径φ，d (mm)

壁厚t(mm)截面积A(cm2惯性矩I(cm4

48 3.5 4.8912.19 5.08 1.58 3.84

513 4.5213.08 5.13 1.7 3.55

表C 稳定系数φ表

λ01234567

010.9970.9950.9920.9890.9870.9840.981

100.9740.9710.9680.9660.9630.960.9580.955

200.9470.9440.9410.9380.9360.9330.930.927

300.9180.9150.9120.9090.9060.9030.8990.896

400.8860.8820.8790.8750.8720.8680.8640.861

500.8520.8490.8460.8430.8390.8360.8320.829

600.8180.8140.810.8060.8020.7970.7930.789

700.7750.770.7650.760.7550.750.7440.739

800.7220.7160.710.7040.6980.6920.6860.68

900.6610.6540.6480.6410.6340.6260.6180.611

1000.5880.580.5730.5660.5580.5510.5440.537

1100.5160.5090.5020.4960.4890.4830.4760.47

1200.4520.4460.440.4340.4280.4230.4170.412

1300.3960.3910.3860.3810.3760.3710.3670.362

1400.3490.3440.340.3360.3320.3280.3240.32

1500.3080.3050.3010.2980.2940.2910.2870.284

1600.2740.2710.2680.2650.2620.2590.2560.253

1700.2450.2430.240.2370.2350.2320.230.227

1800.220.2180.2160.2140.2110.2090.2070.205

1900.1990.1970.1950.1930.1910.1890.1880.186

2000.180.1790.1770.1750.1740.1720.1710.169

2100.1640.1630.1610.160.1590.1570.1560.154

2200.150.1490.1480.1460.1450.1440.1430.141

2300.1380.1370.1360.1350.1330.1320.1310.13

2400.1270.1260.1250.1240.1230.1220.1210.12

2500.117

λ＞250时，φ=7320/λ2

λ=l 0

/?173.3781

E

26E26

A26E81731703

89

0.9790.976

0.9520.949

0.9240.921

0.8930.889

0.8580.855

0.8250.822

立杆稳定系数取值0.7840.779

0.2370.7330.728

0.6730.667

0.6030.595

0.530.523

0.4640.458

0.4060.401

λ=l 0 /?173.50.3570.353

0.3160.312

F 26F260.2810.277

A26F80.2510.248

0.2250.223

17417040.2030.201

0.1840.182

0.1670.166

0.1530.152

0.140.139

0.1290.128

0.1190.118立杆稳定系数取值

0.235

夹板模块支架计算

梁板模板支架计算