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The National Academies

NCHRP Synthesis 20-05/Topic 30-11 [Final (Synthesis)]

Evaluation of Pavement Friction Characteristics
[ NCHRP 20-05 (Synthesis of Information Related to Highway Practices) ]

  Project Data
Funds: 20000
Staff Responsibility: SM
Effective Date: 1/1/1999
Completion Date: 12/19/2000
Fiscal Year: 1998

This synthesis report will be of interest to pavement design, construction, management, and research engineers, highway safety officials, and others concerned with pavement friction characteristics. It describes the current state of the practice and discusses the methods used for evaluating wet pavement friction characteristics of new and restored pavements. This synthesis reviews models used for measuring and evaluating friction and texture, causes for friction changes over time, and aggregate and mix design to provide adequate friction. Also presented are construction and surface restoration practices for providing good pavement surface characteristics. In addition, considerations of noise and ride quality are discussed when compromise may be required.  The report for this topic can be purchased at http://www.trb.org/news/blurb_detail.asp?id=3269

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