Load Table for rotec Heavy Load Gratings :

The calculated values are concerning to steel no. 355 J2G3  = ST52-3.

ST52-3 steel has a higher load bearing capacity than ST37-2 and reaches a higher load bearing capacity by simultaneous reduction of the weight.

DIN/ EN / ISO 1055-5/A1
Forklift

total permissible weigth

load bearing capacity

static axle load (P)

track width (a)

total width (b)

total length (l)

constantly distributed load

[daN]

[daN]

[daN]

[m]

[m]

[m]

daN

2500

600

2000

0,8

1,0

2,4

1000

3500

1000

3000

0,8

1,0

2,8

1250

7000

2500

6500

1,0

1,2

3,4

1500

DIN/ EN / ISO 1072

Oscillation Coefficient :

If the roadway contains  constructive components  which are particularly sensitive to brake loads, the pressure which results from each wheel must be multiplied with the factor 1,4 (as  brake load).

bridge class

 wheel load

loaded area

60

10000 [daN]

200 x 600 mm

45

7500 [daN]

200 x 500 mm

30

5000 [daN]

200 x 400 mm

24

4000 [daN]

200 x 300 mm

16

5000 [daN]

200 x 400 mm

12

4000 [daN]

200 x 300 mm

9

3000 [daN]

200 x 260 mm

6

2000 [daN]

200 x 200 mm

bridge class =total weight of the vehicle
loaded area =load cube

TABLE for single WHEEL LOADS :
Permissible tension =1600[daN/cm²]  - material S235JR = ST37-2
Permissible tension =2400[daN/cm²]  - material S355J2GR = ST52-3
the safety factor - up to the elastic limit =1,50.
the safety factor - up to the breaking point =2,05
The values for the distance between the two saddles are indicated in the table.

FOR EXAMPLE :

PRE DETERMINED : wheel load =5000[daN] - LOADED area  (DIN1072) =200x400[mm] - distance between the saddles =480[mm]
Starting from the wheel load - we must bring together the values of the loaded area and the distance between the saddles. Then we can read the dimension of the supporting bar on the left side (60x5[mm]). Due to standard DIN1072, every loaded area is  related to a certain wheel load. The values for the distance between the saddles  are in red.