表B 钢管截面特性
外径φ，d (mm)壁厚
t(mm)
截面积
A(cm2)
惯性矩
I(cm4)
截面模量
W(cm3)
回转半径
i(cm)
每米长质
量(kg/m)
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
当λ＞
250时，
φ=7320/
λ2
λ=l0 /і173.3781
E26E26
A26E8
1731703 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
0.7840.7790.237
0.7330.728
0.6730.667
0.6030.595
0.530.523
0.4640.458
0.4060.401λ=l0 /і173.5
0.3570.353
0.3160.312F26F26
0.2810.277A26F8
0.2510.248
0.2250.2231741704 0.2030.201
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
