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两个不等肢角钢组成的双角钢截面特性（2）
发布者：江苏万博弘金属材料有限公司 发布时间：2009/6/22 阅读：2004次
两个不等肢角钢组成的双角钢截面特性（2）
两个不等肢角钢组成的双角钢截面特性（2）长肢背靠背
型号
两个角钢
每英尺重量
两个角钢
截面积
轴X-X
轴Y-Y
Qs*
I
S
r
y
回转半径
接触式角钢
分离式角钢
两个角钢
背间距离in.
Lb.
ln.2
ln.4
ln.3
ln.
ln.
0
3/8
3/4
Fy=36ksi
Fy=50ksi
Fy=36ksi
Fy=50ksi
4×31/2×1/2
2…
两个不等肢角钢组成的双角钢截面特性（2）长肢背靠背
|
型号 |
两个角钢
每英尺重量 |
两个角钢
截面积 |
轴X-X |
轴Y-Y |
Qs* | ||||||||
|
I |
S |
r |
y |
回转半径 |
接触式角钢 |
分离式角钢 | |||||||
|
两个角钢
背间距离in. | |||||||||||||
|
Lb. |
ln.2 |
ln.4 |
ln.3 |
ln. |
ln. |
0 |
3/8 |
3/4 |
Fy=36ksi |
Fy=50ksi |
Fy=36ksi |
Fy=50ksi | |
|
4×31/2×1/2 |
23.8 |
7.00 |
10.6 |
3.87 |
1.23 |
1.25 |
1.44 |
1.58 |
1.72 |
- |
- |
- |
- |
|
3/8 |
18.2 |
5.34 |
8.35 |
2.99 |
1.25 |
1.21 |
1.42 |
1.56 |
1.70 |
- |
- |
- |
- |
|
5/16 |
15.4 |
4.49 |
7.12 |
2.53 |
1.26 |
1.18 |
1.42 |
1.55 |
1.69 |
- |
- |
.997 |
.935 |
|
1/4 |
12.4 |
3.63 |
5.83 |
2.05 |
1.27 |
1.16 |
1.41 |
1.54 |
1.67 |
- |
.982 |
.911 |
.834 |
|
4×3×1/2 |
22.2 |
6.50 |
10.1 |
3.78 |
1.25 |
1.33 |
1.20 |
1.33 |
1.48 |
- |
- |
- |
- |
|
3/8 |
17.0 |
4.97 |
7.93 |
2.92 |
1.26 |
1.28 |
1.18 |
1.31 |
1.45 |
- |
- |
- |
- |
|
5/16 |
14.4 |
4.18 |
6.76 |
2.47 |
1.27 |
1.26 |
1.17 |
1.30 |
1.44 |
- |
- |
.997 |
.935 |
|
1/4 |
11.6 |
3.38 |
5.54 |
2.00 |
1.28 |
1.24 |
1.16 |
1.29 |
1.43 |
- |
- |
.911 |
.834 |
|
31/2×3×3/8 |
15.8 |
4.59 |
5.45 |
2.25 |
1.09 |
1.08 |
1.22 |
1.36 |
1.50 |
- |
- |
- |
- |
|
5/16 |
13.2 |
3.87 |
4.66 |
1.91 |
1.10 |
1.06 |
1.21 |
1.35 |
1.49 |
- |
- |
- |
.936 |
|
1/4 |
10.8 |
3.13 |
.83 |
1.55 |
1.11 |
1.04 |
1.20 |
1.33 |
1.48 |
- |
- |
.965 |
.897 |
|
31/2×21/2×3/8 |
14.4 |
4.22 |
5.12 |
2.19 |
1.10 |
1.16 |
.976 |
1.11 |
1.26 |
- |
- |
- |
- |
|
5/16 |
12.2 |
3.55 |
4.38 |
1.85 |
1.11 |
1.14 |
.966 |
1.10 |
1.25 |
- |
- |
- |
.986 |
|
1/4 |
9.8 |
2.88 |
3.60 |
1.51 |
1.12 |
1.11 |
.958 |
1.09 |
1.23 |
- |
- |
.965 |
.897 |
|
3×21/2×3/8 |
13.2 |
3.84 |
3.31 |
1.62 |
.928 |
.956 |
1.02 |
1.16 |
1.31 |
- |
- |
- |
- |
|
1/4 |
9.0 |
2.63 |
2.35 |
1.12 |
.945 |
.911 |
1.00 |
1.13 |
1.28 |
- |
- |
- |
.961 |
|
3/16 |
6.77 |
1.99 |
1.81 |
.859 |
.954 |
.888 |
.993 |
1.12 |
1.27 |
- |
- |
.911 |
.834 |
|
3×2×3/8 |
11.8 |
3.47 |
3.06 |
1.56 |
.940 |
1.04 |
.777 |
.917 |
1.07 |
- |
- |
- |
- |
|
5/16 |
10.0 |
2.93 |
2.63 |
1.33 |
.948 |
1.02 |
.767 |
.903 |
1.06 |
- |
- |
- |
- |
|
1/4 |
8.2 |
2.38 |
2.17 |
1.08 |
.957 |
.993 |
.757 |
.891 |
1.04 |
- |
- |
- |
.961 |
|
3/16 |
6.1 |
1.80 |
1.68 |
.830 |
.966 |
.970 |
.749 |
.879 |
1.03 |
- |
- |
.911 |
.836 |
|
21/2×2×3/8 |
10.6 |
3.09 |
1.82 |
1.09 |
.768 |
.831 |
.819 |
.961 |
1.12 |
- |
- |
- |
- |
|
5/16 |
9.0 |
2.62 |
1.58 |
.932 |
.776 |
.809 |
.809 |
.948 |
1.10 |
- |
- |
- |
- |
|
1/4 |
7.2 |
2.31 |
1.31 |
.763 |
.784 |
.787 |
.799 |
.935 |
1.09 |
- |
- |
- |
- |
|
3/16 |
5.5 |
1.62 |
1.02 |
.586 |
.793 |
.764 |
.790 |
.923 |
1.07 |
- |
- |
.982 |
.919 |
| ||
