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Schedule


  

National Aggregate Base Conference
Omni Austin Hotel-Southpark
May 14-15, 2008
Austin, Texas

SCHEDULE

Wednesday, May 14, 2008
12:00 - 12:50Lunch
12:50INTRODUCTION
SESSION I: PAVEMENT DESIGN CONCEPTS
Chair: Scott Seiter: Oklahoma D.O.T.
1:00 - 1:10Introduction
1:10 - 2:10Overview of Current Design Techniques
Erol Tutumluer: University of Illinois
  1. AASHO Method.
  2. AASHTO Method.
  3. FHWA Mechanistic-Empirical Approach.
  4. Full Mechanistic Approach.
2:10 - 2:30Break
2:30 - 4:30ICAR Anisotropic Mechanistic Design Model: From Parking Lots to High ESAL Applications
Dallas Little: Texas A & M University
  1. Explanation of the Model.
  2. Supplemental Design Guide.
  3. Application Examples.
4:30 - 5:00Discussion
6:00 - 7:00Reception
Thursday, May 15, 2008
7:00 - 7:45Breakfast Buffet
SESSION II: AGGREGATE BASE COSTS, PERFORMANCE AND VALUE
Chair: Jeffery Seiders: Texas D.O.T.
7:50 - 8:00Introduction
8:00 - 9:00Life Cycle Cost Comparisons
  1. Composite Flexible Pavement Cost.
  2. Full Depth Hot Mix Asphalt Cost.
9:00 - 9:15Break
9:15 - 10:15Optimizing Value and Performance of Aggregate Base Course
Don Powell - Vulcan Materials Company
  1. Selection of Aggregate Properties and Material.
  2. Production of Aggregate Base Product.
  3. Placement of Aggregate Base Course
10:15 - 10:30Break
10:30 - 11:00Compaction Requirements and Techniques
Chris Connolly - Bomag
11:00 - 11:30Measurement and Testing (Density vs. Stiffness)
11:30 - 12:00Discussion
12:00 - 12:45Lunch
SESSION III: CURRENT DEVELOPMENTS AND CONCEPTS
12:50 - 1:00Introduction
1:00 - 1:45Inverted Base Design and Performance
Randy Weingart: Luck Stone Corporation
1:45 - 2:30Subbases for Rigid Pavements
Robert Rodden: American Conc. Pavement Assoc.
2:20 - 2:45Break
2:45 - 3:30Drainage Layers Under Porous Pavements
  1. Runoff Control.
  2. Groundwater Enhancement.
3:30 - 4:15Texas Toll Road (SR 130): High Performance Base Course Test Project
Dr. Amit Bhasin: Int'l Center for Aggregates Research
4:15 - 4:45Discussion