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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: Fiber Reinforced High Strength Concrete: Evaluation fo Failure Mechanism
Author(s): G. Giaccio and R. Zerbino
Publication: Special Publication
Appears on pages(s): 69-90
Keywords: compression; flexure; high performance concrete; high temperature; steel fibers; toughness
Abstract:The use of high strength concrete has increased progressively over the past years not only for benefits of strength but also for significant improvements in service life. Nevertheless increases in strenght lead to a more brittle behavior of the material. Steel fiber reinforcement is probably the best way to improve its performance when higher toughness is required. This paper discusses the contribution of fiber reinforcement in high strength concretes. Load-deformation curves under compressive and flexural loads of concretes prepared with different types and contents of fibers are compared. The behavior of sound and microcreacked concretes exposed to high temperatures is also studied. The effect of fiber reinforcement on the compressive behavior of high performance concrete was similar to that observed on normal concrete. Fibers incorporation enhance crack control and produced significant benefits in toughness. Flexure tests performed on fiber reinforced concretes were very stable. It was possible to use different specimens sizes and loading configurations to evalute the effct of the type and content of fibers. There were some improvements when high carbon steel fibers were employeed.
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