Investigation on Seismic Behavior of Recycled Aggregate Concrete Structures under Dynamic Loadings

Abstract:

Based on the ever finished investigations of physical and mechanical properties of recycled aggregate concrete (RAC), and a series of experimental studies on the durability, the fatigue behavior, mechanical behavior and the seismic behavior of RAC components. A full scale model of a one-storey block masonry structure with tie column + ring beam + cast-in-place slab system and a one fourth scaled model of a 6-storey frame structure, which are made of reinforced recycled aggregate concrete, are tested on a shaking table by subjecting it to a series of simulated seismic ground motions, and the seismic behaviors of the RAC structures were experimentally investigated. The dynamic characteristics and the seismic response were analyzed and discussed. The overall seismic performance of RCA structures are evaluated, the analysis results show that the recycled aggregate concrete structures with proper design exhibits good seismic behavior and can resist the earthquake attacks under different earthquake levels in this study. It is feasible to apply and popularize the RAC block masonry buildings less than 2 stories and the RAC frame buildings less than 6 stories in the region where the seismic fortification intensity is 8.

• Periodical: Advanced Materials Research (Volume 772)
• Pages: 149-155
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.772.149
• Online since: September 2013
• Authors: Chang Qing Wang
• Keywords: Block Masonry Building, Frame Structure, Recycled Aggregate Concrete (RAC), Seismic Behavior, Shaking Table Test

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