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两个不等肢角钢组成的双角钢截面特性（4）
发布者：江苏万博弘金属材料有限公司 发布时间：2009/6/23 阅读：5028次
两个不等肢角钢组成的双角钢截面特性（4）
两个不等肢角钢组成的双角钢截面特性（4）短肢背靠背
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（4）短肢背靠背
|
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 |
7.58 |
3.03 |
1.04 |
1.00 |
1.76 |
1.89 |
2.04 |
- |
- |
- |
- |
|
3/8 |
18.2 |
5.34 |
5.97 |
2.35 |
1.06 |
.955 |
1.74 |
1.87 |
2.01 |
- |
- |
- |
- |
|
5/16 |
15.4 |
4.49 |
5.10 |
1.99 |
1.07 |
.932 |
1.73 |
1.86 |
2.00 |
- |
- |
.997 |
.935 |
|
1/4 |
12.4 |
3.63 |
4.19 |
1.62 |
1.07 |
.909 |
1.72 |
1.85 |
1.99 |
.995 |
.921 |
.911 |
.834 |
|
4×3×1/2 |
22.2 |
6.50 |
4.85 |
2.23 |
.864 |
.827 |
1.82 |
1.96 |
2.11 |
- |
- |
- |
- |
|
3/8 |
17.0 |
4.97 |
3.84 |
1.73 |
.879 |
.782 |
1.80 |
1.94 |
2.08 |
- |
- |
- |
- |
|
5/16 |
14.4 |
4.18 |
3.29 |
1.47 |
.887 |
.759 |
1.79 |
1.93 |
2.07 |
- |
- |
.997 |
.935 |
|
1/4 |
11.6 |
3.38 |
2.71 |
1.20 |
.896 |
.736 |
1.78 |
1.92 |
2.06 |
.995 |
.921 |
.911 |
.834 |
|
31/2×3×3/8 |
15.8 |
4.59 |
3.69 |
1.70 |
.897 |
.830 |
1.53 |
1.67 |
1.82 |
- |
- |
- |
- |
|
5/16 |
13.2 |
3.87 |
3.17 |
1.44 |
.905 |
.808 |
1.52 |
1.66 |
1.80 |
- |
- |
- |
.986 |
|
1/4 |
10.8 |
3.13 |
2.61 |
1.18 |
.914 |
.785 |
1.52 |
1.65 |
1.79 |
- |
.982 |
.965 |
.897 |
|
31/2×21/2×3/8 |
14.4 |
4.22 |
2.18 |
1.18 |
.719 |
.660 |
1.60 |
1.74 |
1.89 |
- |
- |
- |
- |
|
5/16 |
12.2 |
3.55 |
1.88 |
1.01 |
.727 |
.637 |
1.59 |
1.73 |
1.88 |
- |
- |
- |
.986 |
|
1/4 |
9.8 |
2.88 |
1.55 |
.824 |
.735 |
.614 |
1.58 |
1.72 |
1.86 |
- |
.982 |
.965 |
.897 |
|
3×21/2×3/8 |
13.2 |
3.84 |
2.08 |
1.16 |
.736 |
.705 |
1.33 |
1.47 |
1.62 |
- |
- |
- |
- |
|
1/4 |
9.0 |
2.63 |
1.49 |
.808 |
.753 |
.661 |
1.31 |
1.45 |
1.60 |
- |
- |
- |
.961 |
|
3/16 |
6.77 |
1.99 |
1.15 |
.620 |
.761 |
.638 |
1.30 |
1.44 |
1.58 |
.995 |
.921 |
.911 |
.834 |
|
3×2×3/8 |
11.8 |
3.47 |
1.09 |
.743 |
.559 |
.539 |
1.40 |
1.55 |
1.70 |
- |
- |
- |
- |
|
5/16 |
10.0 |
2.93 |
.941 |
.634 |
.567 |
.516 |
1.39 |
1.53 |
1.68 |
- |
- |
- |
- |
|
1/4 |
8.2 |
2.38 |
.784 |
.520 |
.574 |
.493 |
1.38 |
1.52 |
1.67 |
- |
- |
- |
.961 |
|
3/16 |
6.1 |
1.80 |
.613 |
.401 |
.583 |
.470 |
1.37 |
1.51 |
1.66 |
.995 |
.921 |
.911 |
.834 |
|
21/2×2×3/8 |
10.6 |
3.09 |
1.03 |
.725 |
.577 |
.581 |
1.13 |
1.28 |
1.43 |
- |
- |
- |
- |
|
5/16 |
9.0 |
2.62 |
.893 |
.620 |
.584 |
.559 |
1.12 |
1.26 |
1.42 |
- |
- |
- |
- |
|
1/4 |
7.2 |
2.13 |
.745 |
.509 |
.592 |
.537 |
1.11 |
1.25 |
1.40 |
- |
- |
- |
- |
|
3/16 |
5.5 |
1.62 |
.583 |
.392 |
.600 |
.514 |
1.10 |
1.24 |
1.39 |
- |
- |
.982 |
.919 |
| ||
