They are composed of cross-placed steel strips connected in a frame.
According to the request of the grid customer, we deliver:
The characteristic data of POLO floor gratings are presented in the table.
| Ordinal number | Grid height | Bearing lamella
h 1 *b 1 mm |
Separating lamella
h 2 *b 1 mm |
Framework
h*b mm |
Lamella pitch
t mm |
MR
kg/m 2 |
Support distance T [mm] | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 700 | 900 | 1000 | 1100 | 1300 | 1500 | 1700 | 1900 | 2000 | |||||||
| Permitted continuous load q kn/m 2 | |||||||||||||||
| 1 | 45 | 45*2 | 40*2 | 45*3 | 22 | 64,5 | 48,0 | 22,5 | 16,2 | 12,1 | 7,1 | 4,4 | 2,9 | 1,9 | 1,6 |
| 2 | 45 | 45*2 | 40*2 | 45*3 | 30 | 49,5 | 41,6 | 19,3 | 14,0 | 10,4 | 6,1 | 3,8 | 2,5 | 1,7 | 1,4 |
| 3 | 40 | 40*2 | 35*2 | 40*3 | 40 | 34,5 | 27,8 | 12,9 | 9,3 | 6,9 | 4,1 | 2,6 | 1,7 | 1,12 | |
| 4 | 35 | 35*3 | 35*3 | 35*3 | 30 | 56,8 | 26,8 | 12,4 | 8,9 | 6,6 | 3,8 | 2,3 | 1,4 | ||
| 5 | 30 | 30*3 | 30*3 | 30*3 | 30 | 48,7 | 21,0 | 9,9 | 7,1 | 5,2 | 3,0 | 1,8 | 1,1 | ||
| 6 | 30 | 30*2 | 30*2 | 30*3 | 30 | 34,6 | 14,8 | 6,8 | 4,9 | 3,6 | 2,1 | 1,2 | |||
| 7 | 30 | 30*2 | 25*2 | 30*3 | 30 | 32,2 | 12,7 | 5,9 | 4,2 | 3,1 | 1,8 | 1,1 | |||
| 8 | 25 | 25*2 | 20*2 | 25*3 | 22 | 34,5 | 8,5 | 3,9 | 2,7 | 2,0 | 1,1 | ||||
| 9 | 25 | 25*2 | 20*2 | 25*3 | 30 | 26,5 | 8,0 | 3,6 | 2,6 | 1,9 | 1,1 | ||||
| 10 | 25 | 25*2 | 20*2 | 25*3 | 40 | 20,8 | 7,4 | 3,4 | 2,4 | 1,8 | 1,0 | ||||
q=permitted continuous load of the truss without a frame for the support span L
G=mass of grid without surface protection
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