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两个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:2009/6/19 阅读:2211次
两个等肢角钢组成的双角钢截面特性(2)
两个等肢角钢组成的双角钢截面特性(2)
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
31/2×31/2×3/8
17.0
4.…
两个等肢角钢组成的双角钢截面特性(2)
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 | |
31/2×31/2×3/8 |
17.0 |
4.97 |
5.73 |
2.30 |
1.07 |
1.01 |
1.48 |
1.61 |
1.75 |
- |
- |
- |
- |
5/16 |
14.4 |
4.18 |
4.90 |
1.95 |
1.08 |
.990 |
1.47 |
1.60 |
1.74 |
- |
- |
- |
986 |
1/4 |
11.6 |
3.38 |
4.02 |
1.59 |
1.09 |
.968 |
1.46 |
1.59 |
1.73 |
- |
.982 |
.965 |
.897 |
3×3×1/2 |
18.8 |
5.50 |
4.43 |
2.14 |
.898 |
.932 |
1.27 |
1.43 |
1.59 |
- |
- |
- |
- |
3/8 |
14.4 |
4.22 |
3.52 |
1.67 |
.913 |
.888 |
1.27 |
1.41 |
1.56 |
- |
- |
- |
- |
5/16 |
12.2 |
3.55 |
3.02 |
1.41 |
.922 |
.865 |
1.26 |
1.40 |
1.55 |
- |
- |
- |
- |
1/4 |
9.8 |
2.88 |
2.49 |
1.15 |
.930 |
.842 |
1.26 |
1.39 |
1.53 |
- |
- |
- |
.961 |
3/16 |
7.42 |
2.18 |
1.92 |
.882 |
.939 |
.820 |
1.25 |
1.38 |
1.52 |
.995 |
.921 |
.911 |
.834 |
21/2×21/2×3/8 |
11.8 |
3.47 |
1.97 |
1.13 |
.753 |
.762 |
1.07 |
1.21 |
1.36 |
- |
- |
- |
- |
5/16 |
10.0 |
2.93 |
1.70 |
.964 |
.761 |
.740 |
1.06 |
1.20 |
1.35 |
- |
- |
- |
- |
1/4 |
8.2 |
2.38 |
1.41 |
.789 |
.769 |
.717 |
1.05 |
1.19 |
1.34 |
- |
- |
- |
- |
3/16 |
6.14 |
1.80 |
1.09 |
.685 |
.778 |
.694 |
1.04 |
1.18 |
1.32 |
- |
- |
.982 |
.919 |
2×2×3/8 |
9.4 |
2.72 |
.958 |
.702 |
.594 |
.636 |
.870 |
1.01 |
1.17 |
- |
- |
- |
- |
5/16 |
7.84 |
2.30 |
.832 |
.681 |
.601 |
.614 |
.859 |
1.00 |
1.16 |
- |
- |
- |
- |
1/4 |
6.38 |
1.88 |
.695 |
.494 |
.609 |
.592 |
.849 |
.989 |
1.14 |
- |
- |
- |
- |
3/16 |
4.88 |
1.43 |
.545 |
.381 |
.617 |
.569 |
.840 |
.977 |
1.13 |
- |
- |
- |
- |
1/8 |
3.30 |
.960 |
.380 |
.261 |
.626 |
.546 |
.831 |
.965 |
1.11 |
.995 |
.921 |
.911 |
.834 |
*未示出Qs值者,该角钢按照规范第1.9.1.2节的规定,并可认为是完全有效的。
对于Fy=36ksi; Cc'=126.1/公号Qs
对于Fy=50ksi; Cc'=107.0/公号Qs
对于Fy=36ksi; Cc'=126.1/公号Qs
对于Fy=50ksi; Cc'=107.0/公号Qs
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