Abstract

This paper will visually inspect and evaluate the flexible pavement failures for maintenance planning. It is quite important to examine and ‎identify the causes of the failed pavement to select a proper treatment option. Based on previous experiences, obtained through literature ‎reviews, systematic guidelines for evaluation of damaged pavement are proposed to provide useful information for maintenance work. The ‎study consisted of two tasks: the first covered the visual inspection of the existing pavement failures, whereas the second investigated the ‎actual causes of these failures. As a case study, Obeid Khatim road in Khartoum was selected for investigation. An intensive field work ‎was carried out on the existing pavement condition of this road. It was found that most of the damaged pavement sections suffered from ‎severe cracking and rutting failures. These failures might have been caused by fatigue failure on pavement structure due to the movement ‎of heavily loaded truck-trailers. The damage could also be attributed to poor drainage, inadequate design and improper pavement ‎materials used.‎

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