Flexible pavement distress manual

The Distress Identification Manual for the Long- Term Pavement Performance Program should be used as a reference for identifying and quantifying pavement distresses. This pragmatic manual is intended to assist in rating flexible (AC) or rigid (PCC) pavements. The descriptions of each pavement distress type used in StreetSaver are clearly presented and include the following criteria: appearance, identity and characteristics of three levels of severity, and how to measure the extent of damage. The Pavement Distress Identification Manual will foster more uniform and consistent pavement distress evaluations by providing identification definitions and guidelines. The FLEXIBLE PAVEMENTS. Fatigue Cracking Description Load related cracks predominately parallel to the pavement centerline are classified as fatigue cracking. Cracks.

Pavement Condition Index Distress Identification Manuals Manuals are available for both asphalt concrete (AC) Portland cement concrete. They contain detailed descriptions and photographs of each of the pavement distress types used in StreetSaver ® in order to assist users in performing pavement inspections. Pavement Maintenance Manual Flexible Pavement Alligator Cracking Edge Cracking Longitudinal Cracking progression of distress over the service life of a pavement, 3) list pavement section surface deficiencies, the extent of deficiencies, and valid rehabilitation repairs, and 4) report. and causes of distresses that may occur in any given pavement structure. The purpose of this appendix is only to provide a brief presentation. Numerous other manuals and publications already exist that provide information that is much more detailed. The state DOT Agency's Pavement Designer group should review these manuals and publications.

widely implemented being this Distress Identification Manual for the Long-Term Pavement Performance Program (DIM) with thousands of requests for copies of the DIM being fulfilled. First issued in , the DIM was developed to provide a consistent, uniform basis for collecting pavement distress data for the LTPP program. The Distress Identification Manual for the Long- Term Pavement Performance Program should be used as a reference for identifying and quantifying pavement distresses. Pavement Distress Types and Causes This Appendix provides descriptions of the types and causes of the distresses that occur in asphalt, concrete, and asphalt-overlaid concrete pavements, and asphalt and concrete shoulders. Many of the photos used in this Appendix are from the LTPPDistress Identification Manual.1 Asphalt Pavement Distresses.