Pierre Pimienta RILEM Technical Comity TC HPB Physical Properties and behavior of High-Performance Concrete at high temperature 3rd International RILEM Workshop on Concrete Spalling due to Fire Exposure – Paris 25-27 September 2013 PAGE 1 RILEM 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 3rd International RILEM Workshop on Concrete Spalling due to Fire Exposure – Paris 25-27 September 2013 PAGE 2 RILEM 1 200 experts 70 countries - Technical committees (about 50) - Symposia and workshops - Publication - Materials and Structures - STARs - Recommendations 3rd International RILEM Workshop on Concrete Spalling due to Fire Exposure – Paris 25-27 September 2013 PAGE 3 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 • Secretary: Robert Jansson Pierre Pimienta (2010) 2 MEETINGS / year 3rd International RILEM Workshop on Concrete Spalling due to Fire Exposure – Paris 25-27 September 2013 PAGE 4 Activity of the TC State of the Art o HPC properties Previous RILEM TC HTC • 11 recommendations : mechanical • Degradation reactions test methods at high temperature • Transport properties • 1 STAR on Ordinary Concrete • Thermal properties o Spalling • Mechanical properties • Physical background o Modeling • Influencing parameters Engineering •• Test methods modelling for spalling •• Advanced Fire safetymodelling design • Transfert • Measures to modelling prevent spalling Article on Pore pressure measurements • Mechanical In connection behaviour with fib TG 4.3 • Constitutive parameter relationships Finalization: end 2013 – Next meeting: next week in CERIB 3rd International RILEM Workshop on Concrete Spalling due to Fire Exposure – Paris 25-27 September 2013 PAGE 5 Krakow, 2012 3rd International RILEM Workshop on Concrete Spalling due to Fire Exposure – Paris 25-27 September 2013 PAGE 6 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 3rd International RILEM Workshop on Concrete Spalling due to Fire Exposure – Paris 25-27 September 2013 PAGE 7 MFPA, Leipzig, 2009 Thank you for your attention 3rd International RILEM Workshop on Concrete Spalling due to Fire Exposure – Paris 25-27 September 2013 PAGE 8