A Pavement Feedback Data System
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1972-05-01
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Abstract:The complex character of highway pavements coupled with ever-increasing traffic volumes and variability of climatic conditions have made it imperative that service life data be collected and analyzed to guide the design of new and reconstructed pavements. The road test approach inevitably omits some important aspects of performance and the mechanistic approach has thus far failed to yield the rational design models sought for so long. Development of a system to collect, store and analyze carefully selected performance feedback data from full-scale, in-service pavements is proposed to overcome the inherent deficiencies of the mechanistic and road-test research techniques. This report is a case study example of such a data system for the State of Texas, and the selected performance factors are basically the inputs to a computer-based pavement design system known as Flexible Pavement System (FPS).
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