1. Feedback on: - 11 th international symposium on concrete roads, Seville, and - 7 th International DUT-workshop on Design and performance of sustainabe and durable concrete pavements, Prepared for presentation at the 20 th meeting of the Roads Pavements Forum (RPF), CSIR ICC, 10 November 2010 Erik Denneman

2. Slide 2 7 th DUT workshop © CSIR 2006 www.csir.co.za Carmona 33 participants (usual suspects), Two days presentations and discussion 31 papers, two from SA Session topics: Materials Design of concrete pavements Concrete pavement performance Innovative concrete pavement structures

3. Slide 3 7 th DUT workshop, main themes: © CSIR 2006 www.csir.co.za Modular pavements (rehabilitation and repair) Buch et al 2010

4. Slide 4 7 th DUT workshop, main themes: © CSIR 2006 www.csir.co.za Modular pavements (continued) Buch et al 2010 Tayabji et al 2010

5. Slide 5 7 th DUT workshop, main themes: © CSIR 2006 www.csir.co.za Innovative solutions Perrie et al 2010

6. Slide 6 7 th DUT workshop, main themes: © CSIR 2006 www.csir.co.za Innovative solutions Lechner, 2010

7. Slide 7 7 th DUT workshop, main themes: © CSIR 2006 www.csir.co.za Sustainability: Feedback on international conference on sustainable concrete pavements Subbase design and the need for maintenance (Zollinger et al), Silverbrand, three layer concrete pavement

8. Slide 8 7 th DUT workshop, main themes: © CSIR 2006 www.csir.co.za Fracture mechanics 5 papers on the need for and use of fracture mechanics in concrete pavement design Thompson et al, 2010 Roesler et al, 2010

9. Slide 9 7 th DUT workshop, main themes: © CSIR 2006 www.csir.co.za Size effect: 3 papers Denneman et al, 2010 Khazanovich et al, 2010

10. Slide 10 11th international symposium on concrete roads, Seville © CSIR 2006 www.csir.co.za 108 papers, from 22 countries, Three days of presentations Excursions Two papers from SA One honorary membership

11. Slide 11 Honorary ISCP membership for Louis Marais © CSIR 2006 www.csir.co.za

12. Slide 12 SA Delegation © CSIR 2006 www.csir.co.za

13. Slide 13 © CSIR 2006 www.csir.co.za Conference themes Theme 1 Pavement design-planning evaluation Decision support systems Life cycle cost Evaluation techniques Long-life pavements Standards & specifications Wathe, 2010

14. Slide 14 © CSIR 2006 www.csir.co.za Conference themes Theme 2 Sustainable construction Environmental-friendly pavements Low CO 2 Fuel consumption Recycling Heat island effect – Albedo Safety – skid resistance Low noise Reduction hindrance to users Energy considerations Composite pavements Permeable pavements Climate change Pollution reductions Smits et al 2010 Scofield et al, 2010

15. Slide 15 © CSIR 2006 www.csir.co.za Conference themes Theme 3 Techniques for good maintenance, repair & rehabilitation Fast-track, early opening (Ultra)(Thin) white topping (7 papers!) Overlays-inlays Precast slabs

16. Slide 16 © CSIR 2006 www.csir.co.za Conference themes Theme 3 Techniques for good maintenance, repair & rehabilitation Fast-track, early opening (Ultra)(Thin) white topping (7 papers!) Overlays-inlays Precast slabs Schmidt et al 2010

17. Slide 17 © CSIR 2006 www.csir.co.za Conference themes Burger et al 2010

18. Slide 18 © CSIR 2006 www.csir.co.za Conference themes Louw et al 2010

19. Slide 19 © CSIR 2006 www.csir.co.za Conference themes Theme 4 Alternative & special applications Tunnel & bridge pavements Bus & tram Airports Industrial pavements Aesthetical concrete Concrete safety barriers Ports-harbours Cycle tracks New materials (Ultra high performance concrete (UHPC)) Innovative pavements Treatment and recycling of materials Soil stabilization De Larrard et al 2010

20. Thank you