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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: Properties of Lightweight Fiber Reinforced Concrete
Author(s): P. Balaguru and V. Ramakrishnan
Publication: Special Publication
Appears on pages(s): 305-322
Keywords: air entrainment; compressive strength; flexural strength; fiber reinforced concretes; lightweight aggregate concretes; sands; metal fibers; shrinkage; water-reducing agents; workability; Materials Research
Abstract:Results of an experimental investigation of the properties of steel fiber reinforced structural lightweight concrete are presented. The concrete was proportioned to obtain a compressive strength of about 6000 psi (41.3 Mpa). The targeted values for slump and air content were 4 to 8 in. (100 to 200 mm) and 8 percent, respectively. Collated fibers 30 mm long with hooked ends were used for the entire investigation. The fresh concrete was tested for temperature, slump, V-B time, flow table spread, air content, and unit weight. The hardened concrete was tested for dry unit weight, compressive strength, flexural strength, splitting tensile strength, and shrinkage. In addition to these results, a comparative evaluation of normal-weight and lightweight fiber reinforced concretes is also presented. Study results show that highly workable, high-strength, lightweight fiber reinforced concrete can be produced successfully. The lightweight concrete has as much energy absorption capacity as the normal-weight concrete.
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