FHWA’s Advanced Concrete Pavement Technology Program

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Presentation transcript:

FHWA’s Advanced Concrete Pavement Technology Program Virginia Concrete Conference Richmond, VA March 4, 2011 Sam Tyson Federal Highway Administration Office of Pavement Technology

Long-Life Pavement FHWA Conference on Long-Life Concrete Pavements – October 2006. What is a Long-Life Pavement? Original service 40+ years; No premature construction defects or material-related distress; Reduced potential for cracking, faulting & spalling; Smoothness and surface texture easily maintained.

Benefits Derived from Long-Life Pavements Maintenance of Traffic Work Zone Safety Reduced User Delays Life-Cycle Cost Sustainability Economic Impacts Environmental Impacts Social Impacts

Long-Life Pavement Options with Concrete – Jointed Plain (Reinforced); Continuously Reinforced; Precast Jointed; Precast Prestressed; Bonded Overlays; Unbonded Overlays; Roller Compacted.

Continuously Reinforced Concrete Pavement (CRCP) Cooperative Effort with Concrete Reinforcing Steel Institute (CRSI) Manual for Design and Construction published in 2009; Workshop Series started January 2010; LA, AR, AZ, OR & CA completed; GA scheduled March 23, 2011.

Precast Concrete Pavements Prestressed & Doweled Systems

Precast Concrete Pavements Maintenance of Traffic – Night-time and Off-Peak Work Zones; Long-Life Pavement Performance. VDOT – Prestressed Project on I-66 – 2009

Roller Compacted Concrete (RCC) Cooperative Effort with the National Concrete Pavement Technology Center (CP Tech Center) Manual for Design and Construction published in 2010; Delivery to be scheduled.

Advanced Concrete Pavement Technology Best Practices for Concrete Pavements Development and Publication of Tech Briefs and Guidance Documents; Demonstration and Loan of Testing Equipment for Concrete and Pavements; Delivery of Workshops and Conferences on Selected Topics.

Mobile Concrete Laboratory (MCL)

Mobile Concrete Laboratory (MCL) Magnetic Imaging Tomography MIT – SCAN 2 Measuring Dowel Bar Alignment

Mobile Concrete Laboratory (MCL) Magnetic Imaging Tomography MIT – T2 Measuring Pavement Thickness

Concrete QA Program Activities Workshop Content Six Workshop Modules – Quality Concepts; How to Achieve Durable Concrete Pavements; A Quality Assurance Program; Quality Concepts for Mixture Production; Quality Concepts for the Paving Operation; State Field Data and/or Case Studies.

Ongoing FHWA Activities FHWA - Sam Tyson Ongoing FHWA Activities Sustainable Highways Criteria & Tools Identify the characteristics of sustainable highways; Develop tools, procedures & techniques for incorporation into a standard practice to make highways more sustainable. Sustainable Pavements

FHWA Concrete Pavement Website www.fhwa.dot.gov/pavement/ Suneel Vanikar Suneel.Vanikar@dot.gov Gina Ahlstrom Gina.Ahlstrom@dot.gov Gary Crawford Gary.Crawford@dot.gov Jim Grove Jim.Grove@dot.gov Antonio Nieves Torres Antonio.Nieves@dot.gov Sam Tyson Sam.Tyson@dot.gov