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3/27/2019
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The Concrete Convention and Exposition in Quebec City, QC, Canada, hosted a special session, “Outstanding Concrete Projects in Quebec Over the Last 50 Years.” For the 50th Anniversary of the local Chapter, a collective team of more than 100 persons has been assembling, during four years, the information on several important projects that by their scale and their innovation represent important milestones. These projects include advancements in design, material election or concrete construction techniques. During the past 50 years, the construction industry has progressed with avant-garde structural concepts, research on sustainable development with an objective of restore and conserve our heritage. The session featured the following presentations: Louis-Hippolyte-La Fontaine Tunnel The Louis-Hippolyte-La Fontaine Tunnel is the largest underwater tunnel in Canada, and one of the largest prestressed concrete structures in the world. Sherbrooke’s Ultra-High-Performance Fiber-Reinforced Concrete Pedestrian/Bikeway Bridge Built in 1997, the Sherbrooke pedestrian/bikeway bridge is the first work built entirely from UHPFRC. At that time, the material was referred to as reactive powder concrete (RPC). This reticulated structure in unconfined and confined UHPFRC helped showcase all of the qualities of this new material. Daniel-Johnson Dam Built between 1962 and 1968, Daniel-Johnson Dam, part of Hydro-Quebec’s Manic-5 development, still holds recognition as the world’s largest multiple-arch-and-buttress dam, with its 214m height. Ultra-High-Performance Fiber-Reinforced Concrete was also highlighted in a two-part session, “UHPC and UHPFRC: Innovations in Combining High Tensile Strength and High Ductility.” In comparison to conventional concrete, high performance concrete (HPC) and ultra-high performance concrete (UHPC) are characterized by higher compressive strength and enhanced durability due to their optimized cementitious matrix design. The addition of fiber reinforcement and tailoring the bond properties between matrix and fibers allow for enhanced tensile strength and tensile ductility leading to the concept of ultra-high performance fiber reinforced concrete (UHPFRC). Enhanced material properties under tensile loading provide opportunities for innovative and novel structural designs. This session brought together national and international research groups as well as contractors and designers to share their innovations in material tensile strength and tensile ductility of HPC and UHPC, also known as high-performance fiber-reinforced cementitious composites (HPFRCC) or ultra-high performance fiber reinforced concrete (UHPRC). Explore ACI resources on UHPC Notable Concrete in Québec City. View all Sessions Session Handouts
The Concrete Convention and Exposition in Quebec City, QC, Canada, hosted a special session, “Outstanding Concrete Projects in Quebec Over the Last 50 Years.”
For the 50th Anniversary of the local Chapter, a collective team of more than 100 persons has been assembling, during four years, the information on several important projects that by their scale and their innovation represent important milestones. These projects include advancements in design, material election or concrete construction techniques. During the past 50 years, the construction industry has progressed with avant-garde structural concepts, research on sustainable development with an objective of restore and conserve our heritage.
The session featured the following presentations:
Louis-Hippolyte-La Fontaine Tunnel The Louis-Hippolyte-La Fontaine Tunnel is the largest underwater tunnel in Canada, and one of the largest prestressed concrete structures in the world.
Sherbrooke’s Ultra-High-Performance Fiber-Reinforced Concrete Pedestrian/Bikeway Bridge Built in 1997, the Sherbrooke pedestrian/bikeway bridge is the first work built entirely from UHPFRC. At that time, the material was referred to as reactive powder concrete (RPC). This reticulated structure in unconfined and confined UHPFRC helped showcase all of the qualities of this new material.
Daniel-Johnson Dam Built between 1962 and 1968, Daniel-Johnson Dam, part of Hydro-Quebec’s Manic-5 development, still holds recognition as the world’s largest multiple-arch-and-buttress dam, with its 214m height.
Ultra-High-Performance Fiber-Reinforced Concrete was also highlighted in a two-part session, “UHPC and UHPFRC: Innovations in Combining High Tensile Strength and High Ductility.”
In comparison to conventional concrete, high performance concrete (HPC) and ultra-high performance concrete (UHPC) are characterized by higher compressive strength and enhanced durability due to their optimized cementitious matrix design. The addition of fiber reinforcement and tailoring the bond properties between matrix and fibers allow for enhanced tensile strength and tensile ductility leading to the concept of ultra-high performance fiber reinforced concrete (UHPFRC). Enhanced material properties under tensile loading provide opportunities for innovative and novel structural designs. This session brought together national and international research groups as well as contractors and designers to share their innovations in material tensile strength and tensile ductility of HPC and UHPC, also known as high-performance fiber-reinforced cementitious composites (HPFRCC) or ultra-high performance fiber reinforced concrete (UHPRC).
Explore ACI resources on UHPC
Notable Concrete in Québec City.
View all Sessions
Session Handouts
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