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RECOMMENDATIONS ON WELDED GRATING SP SELECTION DEPENDING ON WHEEL LOAD

Welded gratings, step of bearing bars, 34.3 mm.


Distance between supports Motor cars Loaders Motor trucks Truck tractors with semi-trailers
0=2,5 0=2,5 0=3,5 0=7,0 0=13,0 0=6,0 0=9,0 0=12,0 0=30,0 0=60
RL RB RL=RB RL=RB RL=RB RL=RB RL=RB RL RB RL RB RL RB RL
300 40x4 40x4 40x4 40x4 50x5 70x5 40x5 50x4 50x4 50x4 50x5 50x4 50x4 60x4
400 40x4 40x4 40x4 40x5 60x5   50x5 50x5 60x4 60x5 60x5 60x5 60x5 70x5
500 40x4 40x4 40x5 50x5 70x5   60x5 60x5 70x4 70x5 70x5 70x4    
600 40x4 40x4 50x4 60x4     60x5 70x5 70x5   70x5    
700 40x4 40x4 50x5 60x5     70x5              
800 40x5 40x4 50x5 60x5     70x5              
900 40x5 40x5 60x4 70x5                    
1000 50x4 40x5 60x5 70x5                    
1100 50x4 50x4 60x5                      
1200 50x5 50x4 70x4                      
1300 60x4 50x5 70x5                      
1400 60x4 60x4 70x5                      
1500 60x5 60x4 70x5                      

Q – transport vehicle weight in tons.
RL - recommended size of a bar in case that transport moves along bearing bars.
RB - recommended size of a bar in case that transport moves across bearing bars.

When a grating is installed in the open air or in corrosive environment, it is recommended to increase thickness of grating bearing bars by 1 mm.