aashto scobs, t -9 meeting, portland, or fhwa bridge...
TRANSCRIPT
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AASHTO SCOBS, T-9 Meeting, Portland, OR FHWA Bridge Preservation Activities Update
June 17, 2013
Anwar S. Ahmad, P.E. Bridge Preservation Engineer
Federal Highway Administration Office of Bridge Technolegy
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Training Initiatives 1. New Web-based Training Modules on Bridge
Preservation Field Application for Construction and Maintenance Personnel
2. New NHI Web-based Training on Bridge Preservation Course Series for Bridge Owners
3. Major Update to NHI Bridge Maintenance Course
Implementation of SHRP2 “Design of Bridges for 100 Years Service Life”
Presentation Outline
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WBT BP Field Applications Status Three Modules: Safety; Concrete Sealing; Coatings
Development is at 95% complete
Pilot testing – July, 2013
Final training will be posted on SSPC website – July, 2013
The training is free
Each module is approximately 90 minutes long
Target Audience: Bridge construction and maintenance Personnel
URL link to the training will be sent out to the bridge community – July, 2013
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What’s in the Safety Module?
• Regulations • Hazards/Risks • Safety Plan • Traffic Control • Personal Protective
Equipment • Daily Briefings
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• Containment Systems • Surface Preparation • Application
What’s in the Coatings Module?
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What’s in Sealing and Waterproofing Module?
• Concrete sealing • Crack Sealing • Surface Preparation • Polymers and Asphalt
Overlays • Hydraulic Cement
Overlays
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Special Thanks to the SMEs Mr. Michael Sprinkle, VDOT
Mr. Mike Stenko, Transpo Industries
Mrs. Lorella Angelini, Consultant
Mrs. Heather Stiner, SSPC
Mr. Ted Hopwood, University of Kentucky
Kevin Irving, AZZ Galvanizing
Mr. Tony Serdens, GPI
Mr. Chris Farschon, GPI
Mr. Tim Cupples, FHWA
Mr. Anwar Ahmad, FHWA
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NHI Bridge Preservation Course Series
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NHI Bridge Preservation Course Series
Course 1 – Bridge Preservation Fundamentals – 4 hrs
Course 2 – Establishing a Bridge Preservation Program – 5 hrs
Course 3 – Communication Strategies for Bridge Preservation – 3 hrs
Target Audience: includes Federal, State, and local bridge engineers and managers involved in or becoming involved in highway bridge preservation
Project Status:
Under development (40% complete)
Completion Date: April, 2014
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Special Thanks to the SMEs
• Mr. Jeff Milton, VDOT • Mr. Tony McCloskey, PennDOT • Mr. Chris Lee, NCDOT • Mr. Tom Everett, FHWA • Mr. Sonny Jadun, FHWA • Mrs. Debbie Lehmann, FHWA • Mr. Anwar Ahmad, FHWA • Mrs. Louisa Ward, FHWA, NHI • Mrs. Meredith Perkins, FHWA, NHI • Mr. Gerald LaCosta, FHWA, NHI
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Update Bridge Maintenance Reference Manual Develop a prerequisite WBT course “Fundamentals of
Bridge Maintenance” – 2 days Update the Instructor-led training course – 4 days Develop Optional WBT courses:
Maintenance Practices of Bridge Painting – 3 hrs. Maintenance of Movable Bridges – 3 hrs. Maintenance of Masonry Bridges – 2 hrs.
Project status: contract advertised. Anticipate contract award in July, 2013 and completion in 2016
NHI Bridge Maintenance Training Course Update
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Project Background and Status Project administered by the TRB under a cooperative
agreement with FHWA Principle Investigator: Dr. Atorod Azizinamini, P.E. ,
Florida International University, Miami, Florida The Service Life Design Guide was recently published The final research report will be available later this year. The Guide will be further developed to incorporate
additional chapters and practical examples
SHRP2, “Design of Bridges for Service Life”
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What’s in the Guide? Chapter 1 – Design for Service Life:
General Framework Introduction to the concept Example of how to use the guide
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What’s in the Guide? Chapter 2 – Bridge System Selection
Bridge System Description Factors Affecting Service Life Selection Strategy
Chapter 3 – Materials
Factors influencing Service Life Mitigation Strategies
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What’s in the Guide? Chapter 4 – Bridge Decks
Bridge deck types Service life, modes of deterioration and
mitigation strategies Cast-in-place and precast concrete bridge
decks
Chapter 5 - Corrosion Protection of Concrete Bridges Understanding Corrosion Mitigation Strategies against corrosion
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What’s in the Guide? Chapter 6 – Corrosion Prevention of Steel
Bridges Various paint systems, galvanizing and
metalizing Corrosion resistant steels along with factors
affecting their service life Options for preventing corrosion of steel
bridges
Chapter 7 - Fatigue and Fracture of Steel Structures Fatigue and fracture mechanics Repair and retrofit methods
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What’s in the Guide? Chapter 8 – Jointless Bridges
Types and design details for jointless bridges Design, construction, and maintenance
information
Chapter 9 – Joints (Expansion Devices) Describes various expansion joints used in
practice Describes modes of failure and potential
strategies to mitigate modes of failure
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What’s in the Guide? Chapter 10 – Bridge Bearings
Types and design details for jointless bridges Design, construction, and maintenance
information
Chapter 11 – Life Cycle Cost Basic LCCA concept in the design Considers project costs throughout the
service life
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Collaboration between TRB, AASHTO, and FHWA Knowledge Transfer Workshop – June, 2013 Implementation Planning Workshop – October, 2013
Implementation plan targeted for FY2014 Deployment Strategy – parallel process: 1- Begin the development tasks that are identified through the IPW. 2- Identify potential agencies to implement the guide as a pilot and begin the implementation efforts.
Lessons learned from the pilot will be addressed through the development tasks.
Implementation
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Anwar S. Ahmad, P.E. Bridge Preservation Engineer Federal Highway Administration Telephone: (202) 366-8501 Email: [email protected]
Thank You
Questions, comments, or IDEAS for future developments on Bridge Preservation, Please contact Anwar Ahmad