30 ton

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  • Typical Wheel Contact Area
  • Vehicle Load 30ton
  • Stress △ max ≤ 18kg/㎟
    Use Heavy duty
    F-Bar type f-25 f-32 f-32 f-38 f-38 f-38 f-44 f-50
    F-Bar size 25*4.5 32*4.5 32*6 38*4.5 38*6 38*9 44*4.5 50*4.5
    Grating
    size    		 Trench
    size(ℓ)    		 stress stress stress stress stress stress stress stress
    300 200     11.3 11.2 8.6 5.9 8.8 7.1
    400 300     22.6 22.5 17.2 11.7 17.7 14.2
    500 400         25.8 17.6   21.3
    600 500           23.4    
    700 600                

    Use Heavy duty
    F-Bar type f-50 f-65 f-75 f-75 f-90 f-90 f-100 f-100
    F-Bar size 50*6 65*6 75*6 75*9 90*6 90*9 100*6 100*9
    Grating
    size    		 Trench
    size(ℓ)    		 stress stress stress stress stress stress stress stress
    300 200 5.4 3.4 2.6 1.7 1.9 1.2 1.5 1.0
    400 300 10.8 6.8 5.2 3.5 3.7 2.5 3.0 2.0
    500 400 16.2 10.2 7.8 5.2 5.6 3.7 4.6 3.1
    600 500 21.6 13.5 10.4 7.0 7.4 5.0 6.1 4.1
    700 600   16.9 13.0 8.7 9.3 6.2 7.6 5.1
    800 700   20.3 15.6 10.5 11.1 7.5 9.1 6.1
    900 800     18.2 12.2 13.0 8.7 10.7 7.1
    1000 900     20.8 14.0 14.9 9.9 12.2 8.2
    1100 1000       15.7 16.7 11.2 13.7 9.2
    1200 1100       17.5 18.6 12.4 15.2 10.2
    1300 1200       19.2   13.7 16.8 11.2
    1400 1300           14.9 18.3 12.2

    30ton
  • a : Contract length of wheel : 200㎜
  • b : Width of rear wheel : 500㎜