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Cover of A Laboratory Study of the Influence of Multiple Axle Loads on Performance of a Cement Treated Material - Interim Report
A Laboratory Study of the Influence of Multiple Axle Loads on Performance of a Cement Treated Material - Interim Report
  • Publication no: AP-T185-11
  • ISBN: 978-1-921709-85-2
  • Published: 2 August 2011

This report details a laboratory investigation of the effects of different multiple-axle load groups on the fatigue performance of cement treated materials. In the Austroads flexible pavement design process the performance of cement treated materials is expressed as their resistance to flexural fatigue due to application of repeated loads.

  • 1. INTRODUCTION
    • 1.1. Background
    • 1.2. Cement Treated Materials
  • 2. METHOD
    • 2.1. Overview
    • 2.2. Laboratory Flexural Test Methods
    • 2.3. Pavement Construction
    • 2.4. Sample Extraction, Preparation and Handling
      • 2.4.1. Sample Extraction
      • 2.4.2. Sample Preparation and Handling
    • 2.5. Laboratory Test Equipment
      • 2.5.1. General
      • 2.5.2. IPC Universal Testing System
      • 2.5.3. IPC Software
    • 2.6. Pulse Shape Generation
    • 2.7. Data Processing
      • 2.7.1. Control Software
      • 2.7.2. Additional Processing Software
  • 3. ALTERATIONS TO TEST PROCEDURES AND EQUIPMENT
    • 3.1. General
    • 3.2. LVDT Frame Alterations
    • 3.3. Test Geometry
    • 3.4. Sample Size
    • 3.5. Definition of Initial Modulus and Strain for Fatigue Testing
  • 4. DATA
    • 4.1. Test Sequence
      • 4.1.1. Sample Preparation
      • 4.1.2. Flexural Modulus Test
      • 4.1.3. Flexural Fatigue Test
    • 4.2. Flexural Modulus Data
    • 4.3. Flexural Fatigue Data
      • 4.3.1. General
      • 4.3.2. Definition of Initial Condition
  • 5. ANALYSIS
    • 5.1. Flexural Modulus
    • 5.2. Flexural Fatigue
  • 6. CONCLUSIONS
    • 6.1. General
    • 6.2. Flexural Modulus
    • 6.3. Flexural Fatigue Performance
    • 6.4. Recommendations for Further Work
  • REFERENCES
  • APPENDIX A FLEXURAL BEAM TEST METHOD – MODULUS AND FATIGUE
  • APPENDIX B SURFACE DEFLECTION DATA FOR CONSTRUCTED CEMENTED TREATED SILTSTONE PAVEMENT BASE
  • APPENDIX C GENERATION OF LOAD PULSE SHAPES
  • APPENDIX D FLEXURAL MODULUS TEST RESULTS
  • APPENDIX E FLEXURAL FATIGUE TEST RESULTS
  • APPENDIX F DEFINITION OF INITIAL AND TERMINALCONDITION OF FATIGUE TEST
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