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| 系列1 钢格板的自重、安全荷载及其挠度表
|
型号 |
横杆间距(mm) |
自重(Kg/m2) |
扁钢规格(mm) |
|
跨距(mm) |
150 |
300 |
450 |
600 |
750 |
900 |
1050 |
1200 |
1500 |
1800 |
2100 |
2400 |
2700 |
3000 |
3300 |
3600 |
|
|
100 50 |
22 25.1 |
20×3 |
U D |
402 0.2 |
100 0.8 |
45 1.81 |
25 3.22 |
16 5.03 |
11 7.24 |
8 9.85 |
6 12.87 |
4 20.11 |
3 28.96 |
2 39.41 |
|
|
|
|
|
|
|
100 50 |
33.3 36.4 |
20×5 |
U D |
671 0.2 |
167 0.8 |
74 1.81 |
42 3.22 |
27 5.03 |
18 7.24 |
13 8.85 |
10 12.87 |
6 20.11 |
4 28.96 |
3 39.41 |
|
|
|
|
|
|
100 |
26.6 |
25×3 |
U D |
629 |
157 |
70 |
39 |
25 |
17 |
13 |
10 |
6 16.09 |
4 |
3 |
2 |
|
|
|
|
|
50 |
29.7 |
0.16 |
0.64 |
1.45 |
2.57 |
4.02 |
5.8 |
7.88 |
10.3 |
23.17 |
31.53 |
41.18 |
|
100 |
40.9 |
25×5 |
U D |
1048 |
262 |
115 |
65 |
42 |
29 |
21 |
16 |
10 16.09 |
7 |
5 |
4 |
|
|
|
|
|
50 |
43.8 |
0.16 |
0.64 |
1.45 |
2.57 |
4.02 |
5.79 |
7.88 |
10.3 |
23.17 |
31.53 |
41.18 |
|
100 |
33.3 |
32×3 |
U D |
1031 |
257 |
114 |
64 |
41 |
28 |
21 |
16 |
10 |
7 18.1 |
5 |
4 |
3 |
|
|
|
|
50 |
36.2 |
0.13 |
0.5 |
1.13 |
2.01 |
3.14 |
4.52 |
6.16 |
8.04 |
12.57 |
24.63 |
32.18 |
40.72 |
|
100 |
51.6 |
32×5 |
U D |
1718 |
429 |
190 |
107 |
68 |
47 |
35 |
26 |
17 |
11 18.1 |
8 |
6 |
5 |
4 |
|
|
|
50 |
54.8 |
0.13 |
0.5 |
1.13 |
2.01 |
3.14 |
4.52 |
6.16 |
8.04 |
12.57 |
24.63 |
32.18 |
40.72 |
40.22 |
|
100 |
40.8 |
40×3 |
U D |
1610 |
402 |
179 |
100 |
64 |
44 |
33 |
25 |
16 |
11 14.48 |
8 |
6 |
5 |
|
|
|
|
50 |
43.8 |
0.1 |
0.4 |
0.9 |
1.61 |
2.51 |
3.62 |
4.93 |
6.44 |
10.05 |
19.71 |
25.74 |
32.58 |
|
100 |
63.7 |
40×5 |
U D |
2684 |
671 |
298 |
167 |
107 |
74 |
54 |
41 |
26 |
16 15.24 |
18 14.48 |
9 |
7 |
6 |
|
|
|
50 |
66.9 |
0.1 |
0.4 |
0.9 |
1.61 |
2.51 |
3.62 |
4.93 |
6.44 |
10.05 |
27.09 |
34.29 |
42.34 |
|
100 |
71.3 |
45×5 |
U D |
3397 |
849 |
377 |
212 |
135 |
94 |
69 |
52 |
33 |
23 12.87 |
23 |
17 17.52 |
8 |
6 |
|
|
|
50 |
74.5 |
0.09 |
0.34 |
0.8 |
1.43 |
2.23 |
3.22 |
4.38 |
5.72 |
8.94 |
12.87 |
32.58 |
40.22 |
|
100 |
78.9 |
50×5 |
U D |
4149 |
1048 |
465 |
261 |
167 |
115 |
85 |
65 |
41 |
28 11.58 |
21 |
16 |
12 26.06 |
10 |
8 |
7 |
|
50 |
82 |
0.08 |
0.32 |
0.72 |
1.29 |
2.01 |
2.9 |
3.94 |
5.15 |
8.04 |
15.77 |
20.59 |
32.18 |
38.93 |
46.33 |
|
100 |
102 |
65×5 |
U D |
7088 |
1771 |
787 |
442 |
283 |
196 |
144 |
110 |
70 |
48 8.91 |
35 |
27 |
21 |
17 24.75 |
14 |
9 |
|
50 |
105 |
0.06 |
0.25 |
0.56 |
0.99 |
1.55 |
2.23 |
3.03 |
3.96 |
6.19 |
12.13 |
15.84 |
20.05 |
29.95 |
35.64 |
|
| 注:加重线左边为4Kpa均布荷载之下,挠度≤5mm的相应跨距,这是行人步履舒适的极限挠度。 |
|
齿型钢格板的换算系数
承载扁钢 |
20×3 |
20×5 |
25×3 |
25×4.5 |
25×5 |
32×3 |
32×4.5 |
32×5 |
35×4.5 |
35×5 |
38×5 |
40×3 |
40×5 |
45×5 |
50×5 |
65×5 |
载荷 |
不推荐 |
0.79 |
0.79 |
0.79 |
0.83 |
0.83 |
0.83 |
0.85 |
0.85 |
0.86 |
.87 |
0.87 |
0.88 |
0.89 |
0.92 |
挠度 |
1.12 |
1.12 |
1.12 |
1.09 |
1.09 |
1.09 |
1.08 |
1.08 |
1.07 |
1.07 |
1.07 |
1.07 |
1.06 |
1.04 |
|
荷载表说明
◆ U=外加安全均布面荷载,单位:Kpa
◆ D=变形挠度,单位:mm
◆ 钢格板的理算自重是按原板计算的
◆ 荷载是按许用挠曲应力171.6Mpa(0.66Fy)计算的
◆ 假定受荷扁钢是简单支承的无齿扁钢 |