THE INFLUENCJ3 OF PRECEDENCE TECHNIQUES APPLICATION TO TRE PAVEMENT NETWORK FUNCTION

Precedence setting techniques as used in the Pavement Maintenance Management Systems
(PMMS) cover.a,wide spectrum of methods and approaches ranging from simple precedence lists
based on engineering judgment to complex network optimization models. In this pap&, three
precedence setting techniques are presented along with the results of their applications using data
collected from the Egyptian road nehvrk. The first technique is a simple ranking one in which
four ranking measures was used in the analysis: (i) lowest Life cycle cost; (ii) worst condition iirst;
(iii) highest traffic and (iv) highest benefithost ratio. The second technique is a combined ranking
technique based on relative weights assigned to the above mentioned four ranking measures.
Finally, the third technique is a linear programming optimization model, which considers both
time (current and future) and space (entire network). A comparison between the three techniques,
in terms of network condirion over rime and in terms of budget deficit over time, is in
the oaver. The results indicated a considerable difference in future network oerformance under the