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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: Use of High-volume Fly Ash in Polypropylene Fiber-Reinforced Concrete for Shotcrete Applications
Author(s): M. H. Zhang, R. L. Chevrier, V. M. Malhorta
and J. Mirza
Publication: Special Publication
Appears on pages(s): 681-722
Keywords: Bonding; chlorides; compressive strength; concretes; flexural strength;
fly ash; freeze thaw durability; modulus of elasticity; Poisson ratio;
polyproplene fibers; shotcrete; silica fume; toughness; workability.
Abstract:Recent investigations at CANMET have led to the development of polypropylene fiber-reinforced high-volume fly ash concrete for shotcrete applications in construction, and for the maintenance of hydraulic structures. This type of concrete has a low water-to-cementitious materials ratio of about 0.32, fly ash content of more than 50% by weight of the cementitious materials, and fiber content up to 0.5% by volume of the concrete. This report presents the results of current research on the properties of fresh and hardened concrete obtained on the above type of concrete. This study confirms the results of previous CANMET investigations that polypropylene fiber-reinforced high-volume fly ash concrete has satisfactory workability, mechanical properties, and resistance to impact, chloride-ion penetration, and freezing-thawing cycling.
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