Thermal and freeze-thaw cycles Stress corrosion … · Canada NSERC Industrial Research Chair in...
Transcript of Thermal and freeze-thaw cycles Stress corrosion … · Canada NSERC Industrial Research Chair in...
Canada
NSERC Industrial Research Chair in FRP Reinforcement for Concrete Structures
• Thermal and freeze-thaw cycles
• Stress corrosion
• Alkalinity
• Moisture
• Fatigue
Durability issues:
Short and long-term properties of FRP bars
Canada
NSERC Industrial Research Chair in FRP Reinforcement for Concrete Structures
NSERC Research Chair
• NSERC Research Chair in FRP Reinforcement for Concrete
Structures at Department of Civil Engineering of Université de
Sherbrooke and funded by:
• Natural Science and Engineering Research Council of
Canada - NSERC
• Ten Industrial Partners
• Public and Private Sectors
The Indusrial Chair started on 1st April 2000, for first term of 5 years, to be extented for another 5 years
Short and long-term properties of FRP bars
Canada
NSERC Industrial Research Chair in FRP Reinforcement for Concrete Structures
Main Research Chair Activities:
• Durability Evaluation
• Structural Behavior of Concrete Elements Reinforced with FRP rebars
• Field Performance and Construction Details
• Technology Transfer, Economic Feasibility andSocial Acceptance
For more information, visit the web site:http://www.gci.usherb.ca/chaire
E-mail : [email protected]
Short and long-term properties of FRP bars
Canada
NSERC Industrial Research Chair in FRP Reinforcement for Concrete Structures
Research Program
The research projects (M.Sc. and Ph.D.) are mainly related to the following topics:
• Thermal and freeze-thaw cycles
• Stress Corrosion
• Moisture/Alkalinity
• Creep/Fatigue
Short and long-term properties of FRP bars
Canada
NSERC Industrial Research Chair in FRP Reinforcement for Concrete Structures
Example of completed (or on-going) research projects
• Evaluate the effect of sustained load, alkaline, and temperature on residual mechanical properties (strength and stiffness) of FRP bars
• Evaluate the behaviour of concrete beams reinforced with FRP bars under sustained load and freeze/thaw cycles
Short and long-term properties of FRP bars
Canada
NSERC Industrial Research Chair in FRP Reinforcement for Concrete Structures
Example of completed (or on-going) research projects
• Investigation on thermal-cracking (or bond) on concrete elements reinforced with FRP bars
• Serviceability behaviour of concrete bridge deck slabs reinforced with FRP bars under combined effect of freeze-thaw and repeated loads
• Durability of FRP reinforced concrete structures in marine conditions
Short and long-term properties of FRP bars
Canada
NSERC Industrial Research Chair in FRP Reinforcement for Concrete Structures
Typical FRP Bars
�Resin matrix (resin, filler, nano-clay-composites)
�Surface coating (barrier)
�Fibres (E-glass, Carbon)
�Physical properties (fibre content, curing degree)
Short and long-term properties of FRP bars
Canada
NSERC Industrial Research Chair in FRP Reinforcement for Concrete Structures
Typical FRP Bars
Short and long-term properties of FRP bars
Canada
NSERC Industrial Research Chair in FRP Reinforcement for Concrete Structures
Equipment
Short and long-term properties of FRP bars