CTDOT

FHWA CONCRETE PAVEMENT TECHNOLOGY PROGRAM

WORKSHOP ON BEST PRACTICES FOR CONCRETE PAVEMENTS

Newington, Connecticut – April 29 & 30, 2009

 

 Welcome, Introductions & Workshop Objectives 

 Part 1 - PCC Pavement Fundamentals

•  Introduction to PCC Pavements
•  PCC Pavement Behavior
•  Long-Life PCC Pavement Concepts

Part 2 - PCCP Design Considerations  

•  Assessment of Design Features
•  The Design Process - MEPDG Basics

Part 3 - Concrete Materials & Mixture Design

•   PartA

•   PartB
•  Introduction to Concrete Materials
•  Ingredients – cementitious Material, Aggregates, Admixtures
•  Concrete Durability – D- Cracking, ASR
•  Mixture Design and Mixture Proportioning
•  Testing – Fresh and Hardened Concrete

 Part 4 - Construction Best Practices

•  The paving process
•  Equipment – Slip form pavers
•  Concrete Plants/Production
•  Concrete Placement, Finishing & Curing
•  Joint Sawing and Sealing
•  Common Early Age Failures

 Part 5 – Construction Specification Issues 

•  Key Specification Items
•  Contractor Process Control (QC)
•  Acceptance Testing (QA)

 Part 6 - Construction Management Aids 

• Dowel Alignment Testing
• Concrete Thickness Measurement
• Maturity Testing, HIPERPAVE

 Part 7 – Concrete Overlays 

• Overview of Concrete Overlays
• Bonded & unbonded Overlays of Existing AC , PCC and Composite Pavements

Part 8 - Maintenance, Repair, and Rehabilitation 

•  Joint Sealing; Partial Depth Patching; Full-Depth repairs
•  Retrofit Dowel Bars; Grinding; Cross-Stitching

Shiraz Tayabji

 Part 9 - Precast Panels for Repair, Rehabilitation and  Reconstruction

Part 10 - European PCCP Best Practices and other topics 

• Concrete Pavement Surface Characteristics – Issues &  Directions –
• Two-Lift Construction – What & Why –
• Sustainability Considerations –
• Discussion on Local Practices & Experiences