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Materials 2017, 10(12), 1400; https://doi.org/10.3390/ma10121400

Cyclic Behavior of Low Rise Concrete Shear Walls Containing Recycled Coarse and Fine Aggregates

1
College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China
2
Faculty of Civil Engineering and Geosciences, Delft University of Technology, 2628 CN Delft, The Netherlands
*
Authors to whom correspondence should be addressed.
Received: 19 November 2017 / Revised: 3 December 2017 / Accepted: 5 December 2017 / Published: 7 December 2017
(This article belongs to the Section Advanced Composites)
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Abstract

In this study, the cyclic behaviors of low rise concrete shear walls using recycled coarse or fine aggregates were investigated. Eight low rise Recycled Aggregates Concrete (RAC) shear wall specimens were designed and tested under a cyclic loading. The following parameters were varied: replacement percentages of recycled coarse or fine aggregates, reinforcement ratio, axial force ratio and X-shaped rebars brace. The failure characteristics, hysteretic behavior, strength and deformation capacity, strain characteristics and stiffness were studied. Test results showed that the using of the Recycled Coarse Aggregates (RCA) and its replacement ratio had almost no influence on the mechanical behavior of the shear wall; however, the using of Recycled Fine Aggregates (RFA) had a certain influence on the ductility of the shear wall. When the reinforcement ratio increased, the strength and ductility also increased. By increasing the axial force ratio, the strength increased but the ductility decreased significantly. The encased brace had a significant effect on enhancing the RAC shear walls. The experimental maximum strengths were evaluated with existing design codes, it was indicated that the strength evaluation of the low rise RAC shear walls can follow the existing design codes of the conventional concrete shear walls. View Full-Text
Keywords: low rise shear wall; recycled coarse aggregates; recycled fine aggregates; cyclic behavior; strength evaluation low rise shear wall; recycled coarse aggregates; recycled fine aggregates; cyclic behavior; strength evaluation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Qiao, Q.; Cao, W.; Qian, Z.; Li, X.; Zhang, W.; Liu, W. Cyclic Behavior of Low Rise Concrete Shear Walls Containing Recycled Coarse and Fine Aggregates. Materials 2017, 10, 1400.

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