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http://dx.doi.org/10.4334/JKCI.2014.26.4.483

Flexural Performance Characteristics of Amorphous Steel Fiber-Reinforced Concrete  

Ku, Dong-Oh (School of Architecture, Soongsil University)
Kim, Seon-Du (School of Architecture, Soongsil University)
Kim, Hee-Seung (School of Architecture, Soongsil University)
Choi, Kyoung-Kyu (School of Architecture, Soongsil University)
Publication Information
Journal of the Korea Concrete Institute / v.26, no.4, 2014 , pp. 483-489 More about this Journal
Abstract
In this study, the flexural test of amorphous steel fiber-reinforced concrete was performed according to ASTM C 1609 to investigate its flexural performances. The amorphous steel fibers have different configurations from conventional steel fibers : thinner sections and coarser surfaces. Primary test parameters are fiber type (amorphous and conventional steel fibers), concrete compressive strength (27 and 50 MPa), and fiber volume fraction (0.25, 0.50, and 0.75%). Based on the test results, flexural strength and flexural toughness of the amorphous and conventional steel fiber-reinforced concrete were investigated. The results showed that the addition of the amorphous steel fibers into concrete could enhance both flexural strength and toughness while the addition of the conventional steel fibers into concrete was mainly effective to increase the flexural toughness.
Keywords
amorphous steel fibers; fiber-reinforced concrete; flexural behavior; flexural strength; flexural toughness index;
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Times Cited By KSCI : 5  (Citation Analysis)
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