PREDICTING REDUCTIONS IN SERVICE LIFE OF SURFACE-TREATED PAVEMENTS UNDER OIL FIELD TRAFFIC.
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abstract
Pavement distress and performance equations for thin pavements are developed that relate pavement damage to traffic loading. These equations, developed by regression analysis, use pavement condition data collected during a seven-year period on thin pavements in Texas. Initial results demonstrate that these regression equations are better predictors of long-term performance than the AASHTO equation. A case study is presented to outline how these predictions were used to calculate reductions in pavement life and increases in life-cycle costs associated with the oil field development. This study predicted that the oil field development reduced the remaining life of a typical thin pavement from 46 to 16 months and increased the rehabilitation costs tenfold from 0. 50 to more than 5. 00/yd.