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Pierre Pimienta. RILEM Technical Comity TC HPB Physical Properties and behavior of High-Performance Concrete at high temperature . RILEM. RILEM International Union of Laboratories and Experts in Construction Materials, Systems and Structures - PowerPoint PPT Presentation
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3rd International RILEM Workshop on Concrete Spalling due to Fire Exposure – Paris 25-27 September 2013 PAGE 1
RILEM Technical Comity TC HPBPhysical Properties and behavior of High-Performance
Concrete at high temperature
Pierre Pimienta
3rd International RILEM Workshop on Concrete Spalling due to Fire Exposure – Paris 25-27 September 2013 PAGE 2
RILEMRILEM
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 3
RILEM
1 200 experts70 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 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
3rd 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
3rd International RILEM Workshop on Concrete Spalling due to Fire Exposure – Paris 25-27 September 2013 PAGE 6
Krakow, 2012
3rd 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
3rd 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