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AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 System Preservation Research Roadmap Implementation and Tracking Stephen R. Mueller, P.E., MPA.

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Presentation on theme: "AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 System Preservation Research Roadmap Implementation and Tracking Stephen R. Mueller, P.E., MPA."— Presentation transcript:

1 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 System Preservation Research Roadmap Implementation and Tracking Stephen R. Mueller, P.E., MPA Pavement and Materials Engineer FHWA Resource Center (Lakewood, Colorado) Steve.Mueller@fhwa.dot.gov Federal Highway Administration

2 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Outline of Discussion: 1.Briefing on the Existing Roadmap a.Motivations for Development b.Development Process c.Results 2.Discussion of Research & Tracking 3.Discussion of Roadmap Update Needs

3 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Transportation System Preservation Research, Development, and Implementation Roadmap

4 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Motivations for the Roadmap  Preservation research identified as a need during program appraisals  Individual projects have been sought in the past  No coordinated approach to address preservation research needs  Other Roadmaps: HMA, PCC, now PMS

5 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Roadmap Development Process Technical Panel Pavements and Bridges White Paper Development and Review 3 Workshops 2 Pavements 1 Bridge 6 Teams

6 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Pavements Whitepapers/ Breakouts Asset Management Design Materials Construction Contracting Methods Performance

7 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Bridge Whitepapers/ Breakouts Asset Management Decks and Joints Superstructure Substructure Selection of Preservation Actions Performance

8 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Development Process (continued) Research Needs Statements Background Scope Tasks Estimated Time and Cost Implementations Balloting and Ranking Overall Joint Roadmap Publication: January 2008

9 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Sample Problem Statement – pg 1/3

10 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Sample Problem Statement - pg 2/3

11 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Sample Problem Statement – pg 3/3

12 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Results Pavements – 38 statements Bridge – 25 statements Estimated Cost > $40M

13 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Pavements Category # of Problem Statements Asset Management 8 Design7 Materials7 Construction7 Contracting Methods 3 Performance6

14 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Bridge Category # of Problem Statements Asset Management 7 Decks and Joints 4 Superstructure5 Substructure5 Selection of Preservation Actions 2 Performance2

15 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Top 5 Pavement Statements by Importance AND Priority

16 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Top 5 Bridge Statements by Importance AND Priority

17 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Next Steps/ Implementation ** from 2009 ** Short-and long-term research needs for pavement preservation and bridge preservation Presented for AASHTO Subcommittee on Maintenance Develop tracking mechanism on TSP2

18 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Outline of Discussion: 1.Briefing on the Existing Roadmap a.Motivations for Development b.Development Process c.Results 2.Discussion of Research & Tracking 3.Discussion of Roadmap Update Needs

19 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Who is Doing the Research? 1.NCHRP / TRB: AASHTO Subcommittee on Maintenance Pavement Technical Working Group TRB Committees AHD18 and AHD20 Research Needs Statements Synthesis Studies / Research Examples: Chip Seal Best Practices (2005 - Gransberg) Microsurfacing (2010 - Gransberg) Chip Seals (2010 NCHRP 680 – Shuler)

20 “20-7”

21 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Pavement Preservation Research? 2.FHWA Research Office of Asset Management –Performance Evaluation of Various Rehabilitation and Preservation Treatments, Zheng Wu, Ph.D., P.E., Jonathan L. Groeger, Amy L. Simpson, Ph.D., P.E., R. Gary Hicks, Ph.D., P.E. Turner-Fairbank Highway Research Center - Dr. Nelson Gibson – ALF testing Federal Lands: –FLH Study on Polymer Modified Emulsions (Voth/King, etc)

22 Ability of pavement preservation to interrupt aging and top down cracking Chip Seal? Slurry Seal? Thin HMA Overlay –4.75mm Superpave

23 Top-Down / Bottom-Up Cracking Accelerated Aged Sections

24 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Pavement Preservation Research? 3.State DOT / University Research CA, TX, IA, NC, MN, MI, UT, etc, etc 4.SHRP-2 Research 5.Private Company Research –Asphalt Suppliers (Colas, Western Emulsions) –Polymer Suppliers (Kraton, BASF) –Technology Providers (Road Science)

25 R09. Risk Manual R06. High-Speed NDT* R04. Innovative Bridge Designs R01. Locating Utilities* R02. Geotech Solutions R05. Modular Pavement R07. Performance Specs R16. Railroad-DOT Mitigation Strategies R16. Railroad-DOT Mitigation Strategies R15. Integrating Utility and Transportation Agency Priorities* R23. Using Existing In-place Pavement & Achieving long Life R23. Using Existing In-place Pavement & Achieving long Life R21. Composite Systems R21. Composite Systems R26. Preservation Approaches R26. Preservation Approaches R19. Bridges for Service Life of 100 Years* R19. Bridges for Service Life of 100 Years* Rapid ApproachesLong-Lived Facilities Minimize Disruption 28 Research Projects - $32 Million R11. Strategic Approaches at Corridor/Network Level R10. Project Management for Large Projects R03. Worker Fatigue Technology Related Project Delivery Related Indicates Multiple Projects *

26 Technology Project Delivery Balanced approach Successful Renewal

27 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Bottom Lines: Lots of Research Activities in Preservation! Most are Initiated to fulfill specific client needs. The Roadmap is a Planned Set of Research Ideas to Fulfill the Overall Agency and Industry Needs, and Advance Preservation as a Whole. Discussion Questions: 1.What research do we need to track? 2.Who will do the tracking, and HOW?

28 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Outline of Discussion: 1.Briefing on the Existing Roadmap a.Motivations for Development b.Development Process c.Results 2.Discussion of Research & Tracking 3.Discussion of Roadmap Update Needs

29 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Do We Need to Update the Preservation Roadmap? Has there been a change in focus within the preservation community that is different than the climate in which the Roadmap was developed? Energy Use / GHG Emissions / Sustainability? Budget Constraints Driving Preservation Decisions More? Increasing Focus on Performance Measures? Sufficient Progress in Tackling Problem Statements to Warrant a Review and Update Process? HMA Roadmap is revisited by FHWA and NAPA every couple of years: Goal: “Keep the Preservation Roadmap a Living Document” ???

30 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Preservation and Asset Management won’t bring short-term glory, but they will bring long-term satisfaction!

31 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 Questions?

32 AASHTO Subcommittee on Maintenance - PTWG July 18, 2011 THANK YOU For more information contact: Steve Mueller FHWA Resource Center Telephone: (720) 963-3213 e-mail: steve.mueller@dot.govsteve.mueller@dot.gov www.fhwa.dot.gov/preservation www.fhwa.dot.gov/resourcecenter

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