Journal of Asian Architecture and Building Engineering
Online ISSN : 1347-2852
Print ISSN : 1346-7581
Building Structures and Materials
Flexural Performance of Reinforced High-Strength Concrete Beams with EAF Oxidizing Slag Aggregates
Sang-Woo KimYong-Jun LeeYoung-Hyun LeeKil-Hee Kim
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2016 Volume 15 Issue 3 Pages 589-596


This study evaluates the flexural behavior of reinforced high-strength concrete beams with electric arc furnace (EAF) oxidizing slag aggregates. The main test parameters include the type of aggregates, compressive strength of concrete, and tension reinforcement ratio. A total of eight simply supported beam specimens subjected to four point loads are cast and tested in flexure. Two types of aggregates, natural and EAF oxidizing slag aggregates, are used in this study. The compressive strength of the concrete is designed to have normal- and high-strengths of 24 MPa and 100 MPa, respectively. The tension reinforcement ratios of beam specimens are 0.3 and 0.5 times the balanced reinforcement ratio for flexure. The experimental results indicated that the flexural strength of specimens was not affected by the type of aggregate, whereas the flexural ductility of specimens with EAF oxidizing slag aggregates was superior to that of specimens with natural aggregates, regardless of the compressive strength of concrete and the tension reinforcement ratio.

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© 2016 Architectural Institute of Japan
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