APT STEERING COMMITTEE

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)