Comment 99263

By mikeonthemountain (registered) | Posted March 27, 2014 at 16:10:29 in reply to Comment 99253

From http://www.ehow.com/info_11401897_wear-e...

You're correct about rutting occurring ...

  • Effects on Uneven Roads

    Dirt, gravel and unevenly paved roads are subject to the effects of axle-hop vibrations. Axle-hop vibrations are caused when a passing vehicle is pushed upward and downward due to a bump or dip in the road, with the resulting fall distributing the load of the car unevenly on one or two wheels. This effect is more significant at higher speeds of travel, and can cause significant cracking and potholes if the road is not smoothed out in the problem areas.

  • Raveling

    Raveling is the loss of stones in a particular section of pavement or gravel roads. This condition can contribute significantly to further road wear due to increased axle-hop vibrations. Raveling occurs when large volumes of traffic pass over the area, causing the stones in the road to gradually loosen and fling out from the road. This situation gets worse as vehicular speed increases, particularly on gravel roads, leading to tire spin: the rapid spinning of tires due to loss of sufficient traction for forward or backward propulsion, especially on slick roadways.

... but high speed traffic also does break down the road faster.

  • High-Speed Travel

    Vehicles traveling at a high speed on smooth, or paved, roads will require more-tractive force to keep them from spinning or flipping upon turning corners. As the vehicle increases in speed, it generates more grip on the road. This grip comes from a very high horizontal force that the tires exert. The bonding material found between stones in the pavement will break down with tractive force. Long-term exposure to high-speed traffic can result in extremely bumpy roads.

Comment edited by mikeonthemountain on 2014-03-27 16:15:17

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