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APT STEERING COMMITTEE

APT STEERING COMMITTEE. Feedback to RPF Meeting 20/21 May 2003. APT STEERING COMMITTEE 22 January 2003. Role of steering committee Prioritise APT research To co-ordinate research related to APT projects To plan related testing (long and short term)

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APT STEERING COMMITTEE

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  1. APT STEERING COMMITTEE Feedback to RPF Meeting 20/21 May 2003

  2. APT STEERING COMMITTEE22 January 2003 • Role of steering committee • Prioritise APT research • To co-ordinate research related to APT projects • To plan related testing (long and short term) • To serve as an advisory body to Gautrans HVS testing programme • To give comments on APT work proposals • To give comments on APT reports • Prioritise work for 2003

  3. PRIORITY RESEARCH AREAS • Cold recycling (ETB & Foam):   • Material design /material types • Validation of performance models • Active filler / binder content • Suitable materials for intersections • Asphalt overlays - comparison

  4. PRIORITY LIST (con.) • Upgrading of gravel roads • Flexible surfacing for low-volume roads • Individual, new and innovative designs • Low-cost roads • Vehicle-pavement interaction related to dynamic loads and contact stresses • Concrete pavements • Stabilisation of sands

  5. OPTIONS FOR FUTURE TESTING

  6. PRIORITISATION CRITERIA • Research need • Road Authority need • Funding availability • Complimentary benefits • Cost • Regional (SADC) benefits • Ease of logistics • Provision of supplementary information

  7. PRIORITIES

  8. ACTION PLAN • HVS to remain in Cape Town until October ‘03 to test N7 fast and LVRs • HVS to return to Gauteng in October ’03 to test concrete pavements on N4 toll plaza • CSIR/Gautrans to investigate the inclusion of dynamic loading into test sections • CSIR/KZN DoT to develop a proposal for a full-scale investigation of sand stabilisation (not necessarily including the HVS) • CSIR to submit a proposal to Gautrans re ETB sites (ETB section now on N7)

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