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Corporate
Load table Pultruded Gratings 30x30
Tegning
Load in kN/m2
B x H = 30 x 30 mm
Profile distance = 27 mm (see distance factor below)
Ultimate limit state: fd
Limit state of serviceability:
max. deflection < L / 200
max. deflection < L / 400
The data in the tables are based on theoretical values
| L (m) | 0,25 | 0,5 | 0,75 | 1 | 1,25 | 1,5 | 1,75 | 2 | 2,25 | 2,5 | 2,75 | 3 |
| One span | ||||||||||||
| fd | 405 | 202 | 109 | 61,3 | 39,2 | 27,2 | 20 | 15,3 | 12,1 | 9,8 | 8,1 | 6,81 |
| L/200 | 274 | 40,9 | 12,6 | 5,37 | 2,77 | 1,61 | 1,01 | 0,68 | - | - | - | - |
| L/400 | 137 | 20,4 | 6,28 | 2,68 | 1,38 | 0,8 | 0,51 | - | - | - | - | - |
| Two spans | ||||||||||||
| fd | - | 162 | 108 | 61,3 | 39,2 | 27,2 | 20 | 15,3 | 12,1 | 9,8 | 8,1 | 6,81 |
| L/200 | - | 90 | 29 | 12,6 | 6,54 | 3,82 | 2,41 | 1,62 | 1,14 | 0,83 | 0,63 | - |
| L/400 | - | 45 | 14,5 | 6,3 | 3,27 | 1,91 | 1,21 | 0,81 | 0,57 | - | - | - |
| Three spans | ||||||||||||
| fd | - | 169 | 112 | 76,6 | 49 | 34 | 25 | 19,2 | 15,1 | 12,3 | 10,1 | 8,51 |
| L/200 | - | 73,1 | 23,2 | 10 | 5,18 | 3,02 | 1,91 | 1,28 | 0,9 | 0,66 | - | - |
| L/400 | - | 36,6 | 11,6 | 5 | 2,59 | 1,51 | 0,95 | 0,64 | - | - | - | - |
Distance factor
Profile distance
|
16 mm
|
21 mm
|
27 mm
|
35 mm
|
|
0,79
|
0,88
|
1,00
|
1,16
|
Example
Determination of load on profile grating with 16 mm profile distance
Profile:20 x 25 mm, L = 1 m, One Span
Max. deflection: L/200
Load, reading: 3,32 kN/m2
Required profile distance: 16 mm
Distance factor, reading: 0,79
Result
Load 3,32/0,79 = 4,20 kN/m2