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The construction of buildings and highway bridges has been increasing from the beginning of the past century. These infrastructures need to be replaced or repaired because their end of service life is reached or the original design no longer satisfies the needs dues to the growth in population. Large volumes of aggregates are required to rebuild and demolition wastes are generated. Recycling of waste concrete by converting not only saves landfill space but also reduces the demand for extraction of natural raw material for new construction activity. Various investigations have been carried out to study the mechanical properties of concrete and the structure behavior (under flexure condition, shear, bond, torsion, etc.) with recycled aggregates. However, few investigations have been carried out to study the shear behaviors with recycled aggregates such as low absorption of recycled aggregate and full-scale specimens. The aim of this study is to investigate the shear behavior in the reinforced concrete beams with replacement level of recycled aggregates. The correlation of experimental results with code predictions is essential in order to check the applicability of current design provisions for recycled concrete beams. In this study, eight reinforced concrete beams were tested to evaluate the effects of failure modes, shear strength, and shear behavior on the replacement level (0, 30, 60, and 100%) of recycled aggregate.

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Abstract
1. 서론
2. 실험
3. 실험결과 및 분석
5. 결론
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UCI(KEPA) : I410-ECN-0101-2010-540-001643649