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Flexible Pavement Drainage Monitoring, Performance, And Stability, Aiwen Feng, Jianfeng Hua, Thomas D. White
Flexible Pavement Drainage Monitoring, Performance, And Stability, Aiwen Feng, Jianfeng Hua, Thomas D. White
JTRP Technical Reports
The current study is a continuation of the study FHWA/IN/JTRP project HPR-2078, “Locating the Drainage Layer for Flexible Pavements”. In this previous study, three test sections were constructed in a new pavement on a by-pass around Fort Wayne, Indiana. These test sections were instrumental to record temperatures, moisture, frost penetration, rainfall and subdrainage system overflow. Collected data and Finite Element Method (FEM) analysis indicate the subdrainage systems are performing satisfactorily. However, concern developed over the stability and rutting characteristics of the open-graded drainage layers. As a continuation study, longer term environmental and subdrainage performance data was collected. Additional data was …