Test Methods and Specifications

Cover of Concrete Pavement Base
Concrete Pavement Base
  • Publication no: ATS-3530-25
  • Published: 5 March 2025
  • Edition: 1.0

Austroads Technical Specification ATS 3530 sets out the requirements for the supply of concrete and construction of the base (upper) layer of the following formats:

  • plain concrete pavement (PCP);
  • continuously reinforced concrete pavement (CRCP);
  • jointed reinforced concrete pavement (JRCP); and
  • steel fibre reinforced concrete pavement (SFCP).

The technical specification can also be downloaded as a Word document.

  • 1. Scope
  • 2. Referenced Documents
  • 3. Definitions
    • Abbreviations
    • Symbols
  • 4. Quality System Requirements
  • 5. Materials
    • Aggregates – General
    • Combined Aggregates
    • Fine Aggregate
    • Coarse Aggregate
    • Alkali-Aggregate Reactivity
    • Cementitious Materials
    • Admixtures
    • Curing Compounds
    • Joint Sealant
    • Steel Reinforcement
    • Water
  • 6. Design
    • General
    • Survey at the Top of the Underlying Layer
    • Survey Report Prior to Placing Base
    • Thickness of Surface Debonding Treatment
    • Redesign of Pavement Levels
  • 7. Design of Concrete Mixes
    • General
    • Mix Particle Size Distribution
    • Cementitious Content
    • Strength
    • Consistence
    • Shrinkage
    • Other Concrete Attributes
  • 8. Nominated Concrete Mixes
    • Submission of Nominated Mixes
    • Details Required for Each Nominated Mix
    • Variations to Authorised Nominated Mixes
  • 9. Placing Steel Reinforcement
    • General
    • Chair Support
    • Tiebars
    • Dowels
    • Testing General
    • Protective Coatings
    • Bending of Steel Reinforcement
    • Welding
    • Lapped Splices
    • Mechanical Splices
    • Storage
  • 10. Production and Transport of Concrete
    • General
    • Production Mixes
    • 7-Day Compressive Strength
    • Frequency of Moulding of Flexural Test Specimens
    • Flexural Strength Test Specimens
    • Assessment of 28-day Flexural Strength
    • Process Control Charts
    • Mixing, Transport, Consistence and Air Content
    • Mixing Time
    • Mixer Uniformity Testing
    • Admixture Addition
    • Incorporation during initial batching
    • Addition of admixtures to a mobile mixer after Completion of Batching
    • Batch Delivery Docket
    • Consistence (Slump)
    • Minimum Frequency of Routine Testing - Tipper Delivery
    • Minimum Frequency of Routine Testing - Mobile Mixer Delivery
    • Retempering
    • Forming Time
    • Air Content of Concrete
    • Transport of Mixes for Fixed-form Paving
  • 11. Concreting Personnel
    • General
    • Paving Supervisor
    • Paving Crew
  • 12. Paving Concrete
    • General
    • Slipform (Mechanical) Paving
    • Fixed-Form (Manual) Paving
    • Placing and Paving Operations
  • 13. Temperature
    • Concrete Temperature
    • Air Temperature
  • 14. Prevention of Moisture Loss
  • 15. Texturing of Surface
    • General
    • Hessian Drag and Brooming (Initial Texturing)
    • Tining
    • Texture Testing
    • Sawcut Grooves
  • 16. Curing
    • General
    • Materials and Equipment
    • Application Rate
    • Curing of Other Structural Concrete
  • 17. Protection of Work
    • Temperature
    • Rain
    • Anchor Slabs
    • Trafficking of Base
  • 18. Concrete Paving Trials
    • General
    • Acceptance of Trial Section
  • 19. Joints and Edges
    • General
    • Joint Cleaning and Sealants
    • Transverse Construction Joints
    • Transverse Contraction Joints
    • Isolation and Expansion Joints
    • Longitudinal Joints
    • Mismatched Joints and Re-entrant Angles
    • Outer Edges
  • 20. Kerb And Channel
  • 21. Special Slabs
    • Odd-shaped and Mismatched Slabs
    • Anchor Slabs
  • 22. Slab Anchors
    • Slab Anchors
  • 23. Traffic Islands and Medians
  • 24. Conformity – Concrete Cracking
  • 25. Conformity – Concrete Compaction
    • Sub-Lot Delineation
    • Conformity for Compaction – Fixed-form Paving
    • Conformity for Compaction – Slipform Paving
    • Moulding and Testing of Cylinders
    • Core Specimens
    • Frequency and Location of Coring for Compaction
    • Locations of Coring for Compaction
    • Repair of Core Holes
    • Core Testing for Unit Mass
    • Within-core Variability
  • 26. Conformity – Concrete Compressive Strength
    • Cylinder Strength Testing
    • Core Strength Testing
    • Assessment of Compressive Strength – Test Cylinders
    • Assessment of Compressive Strength – Cores
    • Correction Factors for Age and Shape
  • 27. Conformity – Geometry and Thickness
    • Alignment Tolerances
    • Level Survey
    • Thickness Assessment
    • Conformity for Thickness
  • 28. Conformity – Surface Profile
    • Transverse Profile
    • Longitudinal Profile
  • 29. Conformity - Ride Quality
    • Testing
    • Incentives/Deduction for Pavement Roughness
  • 30. Removal and Replacement of Concrete Base
    • General
    • Jointed Base
    • Continuously Reinforced Concrete Pavement (CRCP)
  • 31. Rectification of Finished Surface and Ride Quality
  • 32. Steel Fibre Reinforced Concrete
    • General
    • Steel Fibres
    • Fibre Dose Rate
    • Steel Fibre Reinforced Concrete
    • Consistence
    • Shrinkage
    • Air Content
    • Batching, Mixing and Transport
    • Nominated Concrete Mixes
    • Texturing
    • Conformity for Flexural Strength
    • Conformity for Thickness
    • Conformity for Compaction
    • Representative Beam Unit Mass
  • 33. Testing Procedures
    • Mixer Uniformity
    • Unit Mass of Cylinders and Cores
  • Annexure A: Summary of Hold Points, Witness Points and Records
  • Annexure B: Mixer Uniformity Testing
    • B1 Mixer Uniformity Testing - General
    • B2 Uniformity Testing of Continuous Mixers
    • B3 Uniformity Testing of Central Batch Mixers
    • B4 Uniformity Testing of Mobile Batch Mixers
    • B5 Compliance for Uniformity
  • Annexure C: Minimum Frequency of Testing
  • Amendment Record