20 ton

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  • Typical Wheel Contact Area
  • Vehicle Load 20ton
  • 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 17.4 10.7 7.5 7.5 5.7 3.9 5.9 4.7
    400 300 34.7 21.4 15.1 15.0 11.5 7.8 11.8 9.5
    500 400     22.6 22.5 17.2 11.7 17.7 14.2
    600 500         22.9 15.6 23.6 19.0
    700 600           19.5    
    800 700                

    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 3.6 2.3 1.7 1.2 1.2 0.8 1.0 0.7
    400 300 7.2 4.5 3.5 2.3 2.5 1.7 2.0 1.4
    500 400 10.8 6.8 5.2 3.5 3.7 2.5 3.0 2.0
    600 500 14.4 9.0 6.9 4.7 5.0 3.3 4.1 2.7
    700 600 18.0 11.3 8.7 5.8 6.2 4.1 5.1 3.4
    800 700 21.6 13.5 10.4 7.0 7.4 5.0 6.1 4.1
    900 800   15.8 12.2 8.1 8.7 5.8 7.1 4.8
    1000 900   18.0 13.9 9.3 9.9 6.6 8.1 5.4
    1100 1000   20.3 15.6 10.5 11.1 7.5 9.1 6.1
    1200 1100     17.4 11.6 12.4 8.3 10.2 6.8
    1300 1200     19.1 12.8 13.6 9.1 11.2 7.5
    1400 1300       14.0 14.9 9.9 12.2 8.2

    20ton
  • a : Contract length of wheel : 200㎜
  • b : Width of rear wheel : 500㎜