Test Methods and Specifications

Cover of Construction of Roller Compacted Concrete Subbase
Construction of Roller Compacted Concrete Subbase
  • Publication no: ATS-3540-25
  • Published: 14 February 2025
  • Edition: 1.0

Austroads Technical Specification ATS 3540 sets out the requirements for the construction of Roller Compacted Concrete to be used as a subbase under an asphalt base. It includes the requirements for:

  • placement;
  • compaction;
  • trimming, where required; and
  • curing

of Roller Compacted Concrete subbase.

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

  • 1. Scope
  • 2. Referenced Documents
  • 3. Definitions
  • 4. Quality System Requirements
  • 5. Materials
  • 6. Trial Pavement
  • 7. Construction Requirements
    • General
    • Weather Conditions
    • Lot Size
    • Joints – General
    • Transverse Construction Joints
    • Transverse Contraction Joints
    • Moisture Content
    • Spreading
    • Compaction
    • Subbase Thickness
    • Moist Curing
    • Emulsion Curing
    • Surface Treatment
    • Protection of Work
  • 8. Process Control
    • Process Control for Production
    • Process Control for Construction
    • Compaction
    • Subbase Thickness
    • Surface Level and Deviation
  • 9. Conformity
    • Conformity for Construction
    • Treatment of Nonconforming Lots
  • Annexure A: Summary of Hold Points, Witness Points and Records
  • Annexure B: In Situ Strength Testing for Early Trafficking of Subbase
    • B1 Core Test Groups
    • B2 Test Specimens
    • B3 Frequency and Location of Core Groups
    • B4 Restoration of Core Holes
  • Annexure C: Minimum Frequency of Testing
  • Amendment Record