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

Slide 2 7 th DUT workshop © CSIR 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

Slide 3 7 th DUT workshop, main themes: © CSIR Modular pavements (rehabilitation and repair) Buch et al 2010

Slide 4 7 th DUT workshop, main themes: © CSIR Modular pavements (continued) Buch et al 2010 Tayabji et al 2010

Slide 5 7 th DUT workshop, main themes: © CSIR Innovative solutions Perrie et al 2010

Slide 6 7 th DUT workshop, main themes: © CSIR Innovative solutions Lechner, 2010

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

Slide 8 7 th DUT workshop, main themes: © CSIR 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

Slide 9 7 th DUT workshop, main themes: © CSIR Size effect: 3 papers Denneman et al, 2010 Khazanovich et al, 2010

Slide 10 11th international symposium on concrete roads, Seville © CSIR papers, from 22 countries, Three days of presentations Excursions Two papers from SA One honorary membership

Slide 11 Honorary ISCP membership for Louis Marais © CSIR

Slide 12 SA Delegation © CSIR

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

Slide 14 © CSIR 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

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

Slide 16 © CSIR 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

Slide 17 © CSIR Conference themes Burger et al 2010

Slide 18 © CSIR Conference themes Louw et al 2010

Slide 19 © CSIR 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

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