系列3 钢格板的安全荷载及其挠度表
|
型号
|
横杆间距(mm)
|
理算自重(Kg/m2)
|
扁钢规格(mm)
|
|
跨距
|
|
150
|
300
|
450
|
600
|
750
|
900
|
1050
|
1200
|
1500
|
1800
|
2100
|
2400
|
2700
|
3000
|
3300
|
3600
|
|
G205/60/50
|
50
|
23.4
|
20×5
|
U
D
|
325
0.20
|
81
0.80
|
36
1.81
|
20
3.21
|
13
5.02
|
9
7.23
|
6
9.85
|
5
12.87
|
3
20.10
|
2
28.95
|
1
39.41
|
|
|
|
|
|
|
G253/60/50
|
50
|
19.2
|
25×3
|
U
D
|
305
0.16
|
76
0.64
|
34
1.44
|
19
2.57
|
12
4.02
|
8
5.79
|
6
7.88
|
5
10.29
|
3
16.08
|
2
23.16
|
1
31.53
|
1
41.18
|
|
|
|
|
|
G255/60/50
|
50
|
27.6
|
25×5
|
U
D
|
508
0.16
|
127
0.64
|
56
1.44
|
32
2.57
|
20
4.02
|
14
5.79
|
10
7.88
|
8
10.29
|
5
16.08
|
3
23.16
|
2
31.55
|
2
41.18
|
|
|
|
|
|
G323/60/50
|
50
|
22.8
|
32×3
|
U
D
|
500
0.12
|
125
0.50
|
55
1.13
|
31
2.01
|
20
3.14
|
14
4.52
|
10
6.15
|
8
8.04
|
5
12.56
|
3
18.09
|
2
24.63
|
2
32.17
|
1
40.21
|
|
|
|
|
G325/60/50
|
50
|
33.5
|
32×5
|
U
D
|
833
0.12
|
208
0.50
|
92
1.13
|
52
2.01
|
33
3.14
|
23
4.52
|
17
6.15
|
13
8.04
|
8
12.56
|
6
18.09
|
4
24.63
|
3
32.17
|
2
40.21
|
|
|
|
|
G403/60/50
|
50
|
26.8
|
40×3
|
U
D
|
781
0.10
|
195
0.40
|
87
0.90
|
49
1.60
|
31
2.51
|
21
3.62
|
16
4.92
|
12
6.43
|
8
10.05
|
5
14.47
|
4
19.70
|
3
25.74
|
2
32.57
|
2
40.21
|
|
|
|
G405/60/50
|
50
|
40.2
|
40×5
|
U
D
|
1301
0.10
|
325
0.40
|
144
0.90
|
81
1.60
|
52
2.51
|
36
3.62
|
26
4.92
|
20
6.43
|
13
10.05
|
9
14.47
|
6
19.70
|
5
25.74
|
4
32.57
|
3
40.21
|
|
|
|
G455/60/50
|
50
|
44.4
|
45×5
|
U
D
|
1647
0.08
|
411
0.35
|
183
0.80
|
103
1.43
|
66
2.23
|
45
3.21
|
33
4.37
|
25
5.72
|
16
8.93
|
11
12.87
|
8
17.51
|
6
22.88
|
5
28.95
|
4
35.75
|
3
43.25
|
|
|
G505/60/50
|
50
|
48.6
|
50×5
|
U
D
|
2033
0.08
|
508
0.32
|
226
0.72
|
127
1.28
|
81
2.01
|
56
2.89
|
41
3.94
|
31
5.14
|
20
8.04
|
14
11.58
|
10
15.76
|
8
20.59
|
6
26.06
|
5
32.17
|
4
38.93
|
|
|
G655/60/50
|
50
|
61.2
|
65×5
|
U
D
|
3437
0.06
|
859
0.24
|
381
0.55
|
214
0.99
|
137
1.54
|
95
2.22
|
70
3.03
|
53
39.6
|
34
6.18
|
23
8.91
|
17
12.12
|
13
15.84
|
10
20.04
|
8
24.75
|
7
29.94
|
5
35.64
|
注:以上为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
|
|