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CIGR Handbook of Agricultural Engineering, Volume I Land and Water Engineering, Part 3.5 Maintenance of Rural Roads,

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  CIGR Handbook of Agricultural Engineering, Volume I Land and Water Engineering, Part 3.5 Maintenance of Rural Roads, pp. 101-111  .(doi:10.13031/2013.36297)
Authors:   J. Amsler
Keywords:   Section headings: 3.5.1 Different Concepts, 3.5.2 Causes of Damage, 3.5.3 Planning and Execution of Work, 3.5.4 Financing

First paragraph: As already indicated in the preceding section, roads are built for a given life span, that is, a given number of standard axle weights. Once built, with the best possible quality, they are opened to traffic. As near-surface constructions they are particularly prone to wear and tear and to aging. Over time, the wear and tear from traffic, climate, timber harvesting, and agricultural and other activities reduces the original quality of the road. The state of the road, in particular of the track for vehicles, worsens because of this wear, and also as a result of damage and aging of the building materials. During the life cycle of the road, however, its quality must not be allowed to fall below a given level (see Fig. 3.19).

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