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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Self-Consolidating Concrete Solves Challenging Placement Problems
Author(s): Michel Lessard, Brian Salazar, and Caroline Talbot
Publication: Concrete International
Appears on pages(s): 80-81
Keywords: Pumping; segregation; bleeding; reinforcement congestion
Abstract:The new terminal at Pearson International Airport in Toronto, ON, incorporated 180 hollow steel composite columns that were 101 ft (31 m) tall. A dog bone plate, coupled with the airport’s restriction of cranes above the upper terminal level, led the concrete team to pumping the concrete from the bottom of the column. Self-consolidating concrete (SCC) appeared to be the best choice for this process; the concrete had to be homogenous and lack bleeding and segregation.
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