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From Tech Transfer Newsletter
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Resources From The Transportation Library
Asphalt Pavement Preservation
By Rita Evans, Director, Institute of Transportation Studies Library
Online Toolbox
Pavement Preservation Toolbox:
Techniques and Strategies in Pavement Preservation
Federal Highway Administration, Foundation for Pavement Preservation, and National Center for Pavement Preservation
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- The Pavement Preservation Toolbox includes preventive maintenance technologies, general information on asphalt pavements, seal coats, slurry seals, microsurfacing and thin hot-mix overlays. It includes the complete Caltrans Maintenance Technical Advisory Guide (MTAG) published in 2003. Navigating the toolbox can be tricky but there is a wealth of information available.
Reports, Articles, and Conference Proceedings
Pavement Preservation Strategy Selection in California
S. Shatnawi, R. Marsh, R.G. Hicks, H. Zhou, Maintenance Management 2006: Presentations from the 11th AASHTO-TRB Maintenance Management Conference.
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- Identifies the many factors that are considered in the process of selecting an appropriate maintenance treatment for a pavement. These factors include pavement age and condition, traffic levels, expected future plans, and available funding and agency policy. Determining the appropriate maintenance treatment, based on the pavement condition index of the existing pavement and cost-effectiveness of the treatment, depends on the timing of the treatment.
Making High-Volume Roads Last Longer
Tom Kuennen, Better Roads, v.75, n. 4, April 2005, pp.22-25.
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- Provides overview of chip seals, microsurfacing, slurry seals, polymer modifiers, and joint sealing.
Chip Seal Best Practices
NCHRP Synthesis 342, 2005, 120 pages.
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- Approximately 40 best practices were identified in the areas of chip seal design methods, contract administration, equipment practices, construction practices, and performance measures. The increased use of chip seals for maintenance can be a successful, cost-effective way of using preventive maintenance to preserve both low-volume and higher-volume pavements.
Optimal Timing of Pavement Preventive Maintenance Treatment Applications
NCHRP Report 523, 2004, 86 pages.
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- Describes a methodology for comparing the performance and costs associated with specific treatments at different points in the age (or condition) of a pavement. Performance is measured by the cumulative improvement in pavement condition that occurs until pavement failure (i.e., major rehabilitation is required) or treatment failure (i.e., benefit is no longer realized) over the expected condition if no treatment were applied. Improvement is measured by one or more pavement performance indicators such as rutting, cracking, and roughness. The methodology allows the consideration of multiple condition indicators to which different levels of relative importance can be assigned to reflect the highway agency's perspective on these indicators.
Slurry/Micro-Surface Mix Design Procedure
Pooled Fund Project SPR-3(073) (California is a partner in the project)
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- Reports on the development of a rational mix design procedure, guidelines and specifications.
Pavement Management Systems Peer Exchange Program Report (Sharing the Experiences of the California, Minnesota, New York, and Utah Departments of Transportation)
FHWA, May 8, 2008, 42 pages.
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- Summarizes the use of pavement management tools to support agency decisions in UDOT and Mn/DOT, provides tips for procuring new pavement management software, and identifies institutional issues that must be addressed to make the most of a pavement management program. It closes with a summary of the key factors influencing the successful pavement management practices in UDOT and Mn/DOT.
2008 California Pavement Preservation Conference
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- Presentations outline the benefits of a pavement management system, the importance of pavement preservation and finding funding for preservation. Also includes presentations on binders, crack seals and fog and rejuvenating seals.
Register Now! The 2009 Pavement Preservation Conference will be held in Oakland on April 7-9.
Training
Asphalt Pavement Maintenance (IDM-05RS)
Tech Transfer course, request at Tech Transfer's Road Shows page.
- This course focuses on asphalt materials, equipment, construction details, safety, maintenance and repair practices.
Asphalt Materials and Their Uses (IDM-16RS)
Tech Transfer course, request at Tech Transfer's Road Shows page.
- Learn how to choose the best asphalt materials and applications for different situations and environments. This course provides solid working knowledge of pavement design, construction, maintenance, and preservation while addressing the reality of implementing best practices in the field.
National Highway Institute Training
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- NHI offers on-site training and the website lists courses, availability, and cost. Two web-based courses are free of charge. "Pavement Preservation Treatment Construction" (FHWA-NHI-131110) covers basic pavement preservation concepts and information on specific treatments to extend the life of asphalt pavements. "TCCC Pavement Preservation: Optimal Timing of Pavement Preservation Treatments" (FHWA-NHI-131114) covers characteristics of good pavement preservation programs, collecting treatment performance relationship data, and key cost and benefit considerations.
Multimedia Resources
The Technology Transfer Program's multimedia training library contains more than 700 videos, CD-ROMs, and links to streaming media to help educate you and your staff. Browse our selection at Tech Transfer's Video Library. The resources listed below are available from the video library.
About the UC Berkeley Transportation Library
Most of the items listed in this article are available from the UC Berkeley Transportation Library. Visit the Transportation Library page for more information about the library or to request access.
- Employees of California public sector transportation agencies at the local, state, and regional levels, including federal agencies located in California, are eligible to request anything in the transportation library's catalog for free. The library will even provide up to 50 pages of photocopies of articles from journals, trade magazines, or conference reports, or scan and e-mail the requested material.
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