1. GB5 HIGH MODULUS ASPHALT
DJ. de Beer
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2. CONTEXT BACKGROUND COMPOSITION CHARACTERISTICS TRIAL SECTIONS
PAVING TRIALS
EXPERIENCE
CONCLUSIONS
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3. BACKGROUND INCREASED HEAVY TRAFFIC INTERNATIONAL RESEARCH
EME TECHNOLOGY TRANSFER
EIFFAGE TRAVAUX PUBLICS – GB5
eTHEKWINI METRO - TRIALS
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4. INCREASING HEAVY TRAFFIC
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5. INCREASING HEAVY TRAFFIC
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6. COMPOSITION STONE SKELETON AGGREGATE PACKING MODIFIED BINDER
USAGE OF RA
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7. AGGREGATE PACKING
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8. AGGREGATE PACKING
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9. GRADATION
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10. CARACTERISTICS DENSE MIX STONE INTERLOCKING TEXTURE DEPTH
RUT RESISTANCE
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11. TEXTURE DEPTH Km Texture depth (mm) 0.425 0.5 1.425 0.7 1.725 0.8
2.460
2.480
Average
Std. dev.
0.1
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12. RUT RESISTANCE MMLS @ 50°C AFTER 100 000 REPETITIONS 1.07 mm
AIR PERMEABILITY ON CORE SAMPLES (x10-8 xcm2)
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13. TRIAL SECTIONS INITIAL LABORATORY DESIGNS France PLANT TRIALS
Brighton Road
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14. WORKING GROUP
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15. FIRST MIX
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16. FULL SCALE PAVING TRIALS
SOLOMON MAHLANGU DRIVE
EXTENTION OF M7 TO BLUFF
CONTAINER DEPOTS
TRAFFIC !!!
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17. GB5 PRESENTATION
ELARISH BLUFF 10/07/2014
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18. GB5 SITE VISIT
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19. TEMPERATURE
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20. COMPACTION EQUIPMENT
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21. FINAL ROLLING
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22. AFTER TRAFFIC 3yr
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23. AVERAGE RESULTS
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24. TYPICAL RESULTS
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25. EXPERIENCE GAINED LEARNED A LOT: QUALITY CONTROL WORKABILITY
ROLLING PATERN
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26. CONCLUSIONS AFFORDABLE MIX LOCAL MATERIALS USAGE OF RA WORKABILITY
RUT RESISTANCE
FATIGUE RESISTANCE
SURFACE TEXTURE
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27. SINCE - WHERE TO ? SANRAL N2 SOUTHBOUND – M7 N3 NORTHBOUND – TOWN HILL
WE ARE READY
INDUSTRY ACCEPTANCE
AGREMÈNT CERTIFICATION
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28. THANK YOU
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29. I SAID NO QUESTIONS
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