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The National Academies

NCHRP Synthesis 20-05/Topic 51-16 [New]

Proper Maintenance Before Pavement Infrastructure Preservation
[ NCHRP 20-05 (Synthesis of Information Related to Highway Practices) ]

  Project Data
Funds: $45,000
Staff Responsibility: Jo Allen Gause
Fiscal Year: 2019

Preliminary Scope
 
Pavement preservation ensures that roads last longer at a lower cost compared to traditional maintenance treatments such as mill and fill. There are several guidelines that discuss the right treatment for the right road at the right time. However, even when everything is done right, supplemental maintenance activities are often required to ensure that the treatment will perform successfully. These proactive maintenance activities can include crack sealing, patching, leveling, drainage repair, and rut filling or removal.
 
The objective of this synthesis is to document the types of maintenance activities performed by DOTs before pavement preservation treatments are applied. Information to be gathered includes the types of maintenance activities required, the length of time between the maintenance actions and applying the preservation treatments, who usually performs the maintenance, and available metrics linking maintenance activities to performance of the pavement preservation. 
 
Information will be collected through literature review, survey of DOTs, and follow-up interviews with selected agencies for the development of case examples. Information gaps and suggestions for research to address those gaps will be identified.

Information Sources (Partial):
  • Ogwang, Allan; Madanat, Samer; Horvath, Arpad. Optimal Cracking Threshold Resurfacing Policies in Asphalt Pavement Management to Minimize Costs and Emissions. Journal of Infrastructure Systems, Volume 25, Issue 2, 2019, Content ID 04019003
  • Tarefder, Rafiqul A; Ahmad, Mohiuddin. Cost-effectiveness analysis of chip seal with and without millings. International Journal of Pavement Engineering, Volume 19, Issue 10, 2018, pp 893-900
  • Guada, Irwin; Harvey, John T. Effects of Milling and Other Repairs on Smoothness of Overlays: Additional Testing on Construction Under Profiler-Based Smoothness Specifications. University of California, Davis; California Department of Transportation, 2018, 48p
  • Hajj, Elie Y; Graham, Lauren; Heitzman, Michael A; Hand, Adam J T; Weitzel, Dean; Tran, Nam H. State-of-the-Practice in Chip Seal, Slurry Seal, Micro Surfacing, and Thin Lift Asphalt Overlay Construction Quality Assurance. University of Nevada, Reno; Nevada Department of Transportation, 2018, 168p       

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