Falling Weight Deflectometer measurements from four Alaskan pavement section types and a reverse iterative technique, assuming a four-layer model pavement structure were used to calculate a dynamic elastic modulus for each layer as a function of load. The four-layer model pavement structures and fatigue criteria for the asphalt and base support layers were used to determine the relative damage potential for heavy loads on Alaskan pavements in terms of a comparative damage factor. For pavement categories and load ranges tested, the damage factor (ratio) between any two loads was found to be proportional to the axle weight ratio raised to the 2.2 power.
Vehicle Load Effects on Alaskan Flexible Pavement Structures
1983
65 pages
Report
No indication
English
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