Asphalt Mix Design
Sep 16 - 17, 2019 /
Course Code: 10-0928-2369
After participating in the course, you will be able to:
- Make critical decisions in the lab and on the construction projects using the background knowledge gained from the course
- Select asphalt and aggregate material knowing their effect on mixture properties
- Perform proportioning, volumetric analysis, mixture evaluation using the guidelines for the application of different mixture types
- Increase the service life of your pavement by efficient asphalt mix design
- Analyze your specifications to understand how they affect the quality you receive
Maximizing the performance of high quality materials and sophisticated construction practices is best achieved with a thorough understanding of material properties and asphalt mix design. Engineers and technical managers are faced with the challenge of maintaining the investment in highways, airport runways, urban roads, parking areas and access roads in many developments. An understanding of the considerations for the design and construction of an asphalt pavement and of the factors that influence its deterioration is essential to make technically and economically feasible decisions regarding the design of asphalt mixes.
Participants will work on asphalt mix design suitable for different load and environmental conditions.
Who Should Attend:
Designers and Field Management • Geotechnical and Materials Engineers• Project Managers • Maintenance Engineers • Technicians and Technologists • Contractors • Construction Inspectors • Technical Managers • Consultants and Municipal Engineers.
- Role of Asphalt Mixes in Pavement Life
- Aggregates and their Characteristics
- Asphalt Mix Design Considerations
- Asphalt Binder-SHRP Material Selection
- Other Available Resources
- Design Requirements for Marshall and Superpave Mixes
- Designing Mixes with RAP
- Quality Management in the Field
- Specifications - Mixing, Tests, Paving and Compaction
The instructor has been selected for his involvement in asphalt technology. You will receive comprehensive lecture notes and reference materials.
8:00 Registration & Coffee (Day 1 only)
8:30 Seminar begins
12:00 Lunch (provided)
There is a one-hour lunch break each day in addition to a refreshments and networking break each morning and afternoon. Lunch and refreshments are provided.
Welcome, Introduction, Workshop Preview, Learning Outcomes and the Assessment Method
Role of Asphalt Mixes in Pavement Life
- Importance of geotechnical conditions
- Sub-grade evaluation
- Frost, drainage and erosion control
- Causes of distress
- Design considerations
- Asphalt binders and their uses
- Influence of asphalt mix designs on durability of pavement
Aggregates and their Characteristics
- Quality requirements
- Aggregate gradations
- Specific gravities
- Aggregate batching
- HMA volumetrics
- Selecting design aggregate structures
- Estimating VMA
- Specimen preparation calculations
- Specimen compaction
- Bulk specific gravity testing
- Theoretical maximum specific gravity testing
Asphalt Mix Design Considerations
- Asphalt cements, emulsions and cut backs
- Types and applications
- Asphalt cements for hot mix asphalt
- Stability, fatigue and durability considerations
- Volumetric calculations
- Determination of optimum asphalt content
- Moisture damage
- Functional requirements
- Construction considerations
- Quality control
- Mix performance testing
- Marshall and SUPERPAVE System
- Demonstration of lab results
Asphalt Binder-SHRP Material Selection
- Test procedures and the meaning of results
- Effects of binder on quality of the mix
- LTPP program and selection of appropriate grade
- Modified procedure
Other Available Resources
- Use of the web in finding out about pavements
- Pavement preservation-what it means
- Life cycle costing as it affects design
- Innovative technologies
Hot Mix Asphalt (HMA) Design Requirements
- Mixture properties: selection criteria for various mix types
- Specification requirements for Marshall mixes
- Specification requirements for Superave
- Mix size and layer thickness range
- SMA mix
Designing Mixtures with RAP
- Binder selection
- Mix properties
Quality Management in the Field
- Marshall testing requirements
- Superpave testing requirements
- Mix problems during production
- Asphalt overlays for serviceability and strength
- Use of fabrics and grids
Specifications-Mixing, Tests, Spreading and Compaction
Questions and Answers and Feedback to Participants on Achievement of Learning Outcomes
Concluding Remarks and Final Adjournment
InstructorRabiah Rizvi , P. Eng.
Ludomir Uzarowski, P.Eng., Ph.D.
Ludomir Uzarowski, Ph.D., P.Eng. is a Senior Pavement and Materials Engineer and a Principal of Golder Associates Ltd. with over 40 years of experience on a variety of local and international road and airport projects.
He has extensive experience with many aspects of pavement and materials technology. Ludomir oversees two laboratories providing soil, granular materials, asphalt cement and asphalt mixes and concrete testing services in Golder’s Whitby and Cambridge offices. His areas of expertise include pavement investigation including nondestructive testing, pavement materials field and laboratory testing, pavement designs, paving specifications review and development, construction including Quality Control/Quality Assurance, pavement management, performance, maintenance and preventive treatments.
Dr. Uzarowski is an Adjunct Professor at the University of Waterloo, Department of Civil and Environmental Engineering.
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Fee & Credits
- 1.4 Continuing Education Units (CEUs)
- 14 Professional Development Hours (PDHs)
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