United States Department of Transportation
i
Basic Concepts, Current Practices and Available Resources for Forensic Investigations on Pavements
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1997-09-01
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[PDF-682.51 KB]
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TRIS Online Accession Number:00762947
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Abstract:The purpose of the project, entitled "Development of a Methodology for Identifying Pavement Design and Construction Data Needed to Support a Forensic Investigation," is to develop a database containing information useful in identifying the premature failure of pavements. The practice of forensic engineering is growing within the area of infrastructure management, as more and more areas become in need of repair or replacement. In terms of pavement facilities, the amount of money spent each year amounts to millions of dollars for new construction, maintenance, and rehabilitative efforts within the state of Texas alone. When a pavement's performance does not satisfy the criteria under which it was designed, whether it be in terms of reduced structural capacity, increased roughness, reduced surface friction, or any other possible number of unforeseen circumstances, a premature failure has resulted. The creation of a forensic analysis system would provide forensic teams with easily accessible design, construction, and laboratory information for use to save time, should a forensic investigation need to be conducted on the project. It is also intended to provide managers with statewide graphics-based project information that can assist in the design process of a pavement. Information will be collected on all projects that a district constructs, as opposed to just the ones that undergo forensic investigations, so that a pavement that has failed can be compared to similar projects that are performing acceptably. This has the potential to help identify key elements of the failure as well as possibly predict potential pavement problems that could cause failure in the future.
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