oa Civil Engineering = Siviele Ingenieurswese - The evaluation and prioritization of unpaved road maintenance in developing areas

Volume 34, Issue 2
  • ISSN : 1021-2000



Road departments in developing areas are responsible for the maintenance of extensive rural road networks, consisting largely of unpaved roads in poor condition. The increase in traffic and the limited funds available have contributed to a need to formalize the identification and prioritization of regravelling and betterment projects of the lower category roads in particular. A method based on the visual evaluation of relevant aspects of unpaved roads is presented. This visual assessment method is incorporated into an algorithm to produce regravelling and betterment maintenance indices. Consistency of results was verified in a validation of the methodology by a panel of engineers and senior personnel involved with road maintenance. Finally, to generalize the algorithm, tranic volumes are taken into account in calculating the priority indices. Guidance is given for the general implementation of this method and algorithm.

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