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  • Handbook
    • Asphalt Paving Handbook
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  • About
1. Introduction
  • 1.1 Handbook Purpose and Organization
  • 1.2 Airfield Paving
  • 1.3 Asphalt Mixtures Defined and Classified
  • 1.4 Workmanship
  • 1.5 Certification and Accreditation Programs
2. Project Organization
  • 2.1 Introduction
  • 2.2 Project Documents
  • 2.3 Preconstruction Conference
  • 2.4 Ongoing Communication
  • 2.5 Ongoing Records
  • 2.6 Safety
3. Asphalt Materials and Mix Design
  • 3.1 Introduction
  • 3.2 Asphalt Binder: Grading Systems And Properties
  • 3.3 Aggregate Characteristics And Properties
  • 3.4 Mixture Volumetrics
  • 3.5 Asphalt Mix Properties
  • 3.6 Additives
  • 3.7 Mix Design Procedures
  • 3.8 Laboratory Versus Plan-produced Mixes
  • 3.9 Summary
4. Mix Production
  • 4.1 Introduction
  • 4.2 Material Storage and Handling
  • 4.3 Aggregate Cold Feed
  • 4.4 Aggregate Drying and Heating
  • 4.5 Batch Plants
  • 4.6 Drum and Continuous Plants
  • 4.7 Emission-Control System
  • 4.8 Temporary Mixture Storage
  • 4.9 Weighing and Loadout
  • 4.10 Safety
  • 4.11 Troubleshooting and Checklists
5. Surface Preparation
  • 5.1 Introduction
  • 5.2 Base Preparation for New Asphalt Pavements
  • 5.3 Asphalt Surface Preparation for Asphalt Overlays
  • 5.4 PCC Surface Preparation For Asphalt Overlays
  • 5.5 Tack Coat
  • 5.6 Summary
6. Mixture Delivery
  • 6.1 Introduction
  • 6.2 Planning
  • 6.3 Truck Types
  • 6.4 Proper Truck Loading
  • 6.5 Hauling Procedures
  • 6.6 Unloading the Mix
  • 6.7 Tracking Quantities
7. Mix Placement
  • 7.1 Introduction
  • 7.2 Tractor Unit
  • 7.3 Screed Unit
  • 7.4 Grade Control
  • 7.5 Layer Thickness
  • 7.6 Establishing Paver Speed
  • 7.7 Related Paving Operations
  • 7.8 Best Practices Checklists
8. Compaction
  • 8.1 Introduction
  • 8.2 Definitions
  • 8.3 Rollers
  • 8.4 Factors Affecting Compaction
  • 8.5 Compaction Variables Under The Operator’s Control
  • 8.6 Determination of Rolling Pattern
  • 8.7 Roller Checklists
9. Joint Construction
  • 9.1 Introduction
  • 9.2 Transverse/Construction Joints
  • 9.3 Longitudinal Joints
  • 9.4 Echelon Paving and Rolling
  • 9.5 Unconventional Longitudinal Joint Methods
10. Segregation
  • 10.1 Introduction
  • 10.2 Recognizing Physical Segregation, Causes, and Solutions
  • 10.3 Four Stages Where Segregation Can Originate
  • 10.4 Thermal Segregation
  • 10.5 Confirming and Quantifying Segregation
11. Quality Assurance
  • 11.1 Introduction
  • 11.2 Definitions
  • 11.3 General Types Of Specifications
  • 11.4 Quality Control Plan
  • 11.5 Sampling Methods
  • 11.6 Quality Control At The Plant
  • 11.7 Quality Control In The Field: Placement And Compaction
  • 11.8 Acceptance
12. Mat Problems
  • 12. Mat Problems
  • 12.1 Surface Waves
  • 12.2 Tearing (Streaks)
  • 12.3 Nonuniform Texture
  • 12.4 Screed Marks
  • 12.5 Screed Responsiveness
  • 12.6 Surface (Auger) Shadows
  • 12.7 Poor Precompaction
  • 12.8 Joint Problems
  • 12.9 Checking
  • 12.10 Shoving And Rutting
  • 12.11 Bleeding And Fat Spots
  • 12.12 Roller Marks
  • 12.13 Poor Mix Compaction
  • 12.14 Other Pavement Problems
Appendix
  • AAPTP Airport Asphalt Videos

12. Mat Problems

12.14 Other Pavement Problems

The above discussion has addressed only those problems that occur at the time of the asphalt mix production, laydown, and compaction. Several other deficiencies can occur on an asphalt pavement structure with time and traffic loading once construction has been completed. Those distresses include fatigue cracking, rutting, shoving, raveling, and disintegration. A discussion of such distresses is beyond the scope of this Handbook.

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