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Test Methods and Specifications

Cover of Plant Mix Pavement Stabilisation Using Cement or Cementitious Blends
Plant Mix Pavement Stabilisation Using Cement or Cementitious Blends
  • Publication no: ATS-3320-25
  • Published: 23 September 2025
  • Edition: 1.0

Austroads Technical Specification ATS 3320 sets out the requirements for the construction of a stabilised pavement using cement or cementitious binders that have been mixed in a stationary pugmill.

The technical requirements for the mix design of the stabilised material are excluded from this Specification.

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

  • 1. Scope
  • 2. Referenced Documents
  • 3. Definitions
  • 4. Quality System Requirements
  • 5. Approval of the Mix Design
  • 6. Constituent Materials
    • General
    • Material to be Stabilised
    • Stockpiling of Material to be Stabilised
    • Stabilising Binders
    • Retarder
    • Water
    • Testing and Approval of Constituent Materials
  • 7. Plant and Equipment
    • General
    • Intelligent Construction Rollers
  • 8. Construction of the Stabilised Pavement
    • General
    • Trial Pavement
    • Working Time
    • Conditions for Placement of Stabilised Material
    • Material Not Incorporated into the Pavement
    • Segregation During Construction
  • 9. Preparatory Work
    • Preparation of the Existing Surface
  • 10. Manufacture of the Stabilised Material
    • General
    • Process Control
    • Handling and Transportation of Stabilised Material
  • 11. Conformity of the Manufactured Stabilised Material
    • Properties of the Stabilised Material
    • Testing for Unconfined Compressive Strength
  • 12. Lightly Bound Pavement Layer
  • 13. Placing, Shaping and Compacting the Stabilised Material
    • General
    • Moisture Content of the Mixture
    • Placement
    • Intelligent Construction
    • Construction Joints
    • Trafficking the Stabilised Layer
    • Curing
    • Maintenance of the Stabilised Layer
  • 14. Conformity of the Stabilised Pavement
    • General
    • Conformance Testing
    • Surface Finish
    • Road Roughness
    • Compaction
    • Ball Penetration Testing
    • Proof Rolling
  • 15. Conformity – Geometrics
    • General
    • Geometric Tolerances
    • Vertical Tolerances
    • Deviation from a Straightedge
    • Crossfall
  • 16. Acceptance
  • Annexure A Summary of Hold Points, Witness Points and Records
  • Amendment Record
  • Attachment A Contract Specific Requirements
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