Abstract
The present study was conducted to evaluate the bonding performance of reinforced concrete beams with electric arc furnace oxidizing slag aggregates. The specimens were tested by varying the aggregates, and the top and bottom longitudinal reinforcement position, depending on concrete placement. The specimens containing electric arc furnace oxidizing slag aggregates showed bond performance that was on average of about 8% to 20% higher than that of the specimens using natural aggregates. The bond strength was higher at the corner longitudinal reinforcement than at the inner longitudinal reinforcement and higher at the bottom reinforcement than at the top reinforcement, regardless of the aggregate type. The experimental results were consistent with results from previous studies with concrete containing natural aggregates. Comparison with previous studies confirmed the excellent bond performance of the concrete with electric arc furnace oxidizing slag aggregates, and demonstrated the use of concrete containing electric arc furnace oxidizing slag aggregates for structural members.
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