1. 3 rd International RILEM Workshop on Concrete Spalling due to Fire Exposure – Paris 25-27 September 2013 PAGE 1 RILEM Technical Comity TC HPB Physical Properties and behavior of High-Performance Concrete at high temperature Pierre Pimienta

2. 3 rd International RILEM Workshop on Concrete Spalling due to Fire Exposure – Paris 25-27 September 2013 PAGE 2 RILEM International Union of Laboratories and Experts in Construction Materials, Systems and Structures Réunion Internationale des Laboratoires et Experts des Matériaux, systèmes de construction et ouvrages Founded: 1947 in Paris (after the war)  Promote scientific cooperation The mission: Develop scientific knowledge Encourage transfer and application

3. 3 rd International RILEM Workshop on Concrete Spalling due to Fire Exposure – Paris 25-27 September 2013 PAGE 3 RILEM 1 200 experts 70 countries -Technical committees (about 50) -Symposia and workshops -Publication -Materials and Structures -STARs -Recommendations

4. 3 rd International RILEM Workshop on Concrete Spalling due to Fire Exposure – Paris 25-27 September 2013 PAGE 4 RILEM technical committee TC HPB RILEM TC HPB (2007 – 2013) Physical Properties and behavior of High-Performance Concrete at high temperature ACTIVE MEMBERS 29 active members 18 countries pays : Austria, Australia, Belorussia, China, Finland, France, Germany, Greece, Italy, Japan, Poland, Portugal, Russia, Spain, Sweden, The Netherlands, United Kingdom, USA BUREAU Chairman: Pr Ulrich Schneider Pierre Pimienta (2010) Secretary: Robert Jansson 2 MEETINGS / year

5. 3 rd International RILEM Workshop on Concrete Spalling due to Fire Exposure – Paris 25-27 September 2013 PAGE 5 Activity of the TC  State of the Art o HPC properties o Spalling o Modeling  Article on Pore pressure measurements Physical background Influencing parameters Test methods for spalling Fire safety design Measures to prevent spalling In connection with fib TG 4.3 Engineering modelling Advanced modelling Transfert modelling Mechanical behaviour Constitutive parameter relationships Degradation reactions Transport properties Thermal properties Mechanical properties Finalization: end 2013 – Next meeting: next week in CERIB Previous RILEM TC HTC 11 recommendations : mechanical test methods at high temperature 1 STAR on Ordinary Concrete

6. 3 rd International RILEM Workshop on Concrete Spalling due to Fire Exposure – Paris 25-27 September 2013 PAGE 6 Krakow, 2012

7. 3 rd International RILEM Workshop on Concrete Spalling due to Fire Exposure – Paris 25-27 September 2013 PAGE 7 New technical comity SPF RILEM TC SPF (2014 – 2018) SPalling of Concrete due to Fire: testing and modelling STAR on spalling tests methods Collecting new data and non-published results Fire resistance sensitivity to spalling Recommendations on testing Useful material properties and test methods Modelling / simulations Round-robin tests (if finance) Open to experts from all over the word Active members Participation to the meetings 2 MEETINGS / year

8. 3 rd International RILEM Workshop on Concrete Spalling due to Fire Exposure – Paris 25-27 September 2013 PAGE 8 MFPA, Leipzig, 2009 Thank you for your attention