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From page 1...
... 1 1.1 Background The concept of pavement forensic investigations has been around for a long time. Hundreds of such investigations have been performed in the United States in past decades, mostly to investigate the underlying causes of premature pavement failures.
From page 2...
... 1.2 Objectives The objective of this guide is to provide a systematic process for conducting forensic investigations of highway pavements. It includes guidance on organization and planning of the investigation, sampling and testing requirements, interpretation of results, and decision-making processes.
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... 3 Chapter 2 summarizes the philosophy behind forensic investigations and the approach followed in this guide. Chapter 3 addresses requests for and initiation of a forensic investigation, including conduct of a preliminary investigation or background study.
From page 4...
... 4establishment of an agency's forensic investigation protocol; these issues are not part of the investigation, but are critical to the success of an agency's forensic investigation program. Appendix B includes a series of case studies that illustrate the use of the process described in this guide.

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