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Abstract:
To study the seismic performance of reinforced concrete hollow piers and its influence parameters, nine rectangular hollow piers with different stirrup ratios, reinforcement ratios and axial compression ratios were tested on shaking table. The parameters may have effects on the failure mode, acceleration response, dynamic amplification factor, ductility and energy dissipation of the specimens are analyzed. The results indicate that there are more cracks and the position of cracks are farther from the pier bottom when the axial compression ratio and stirrup ratio become smaller. The acceleration response, dynamic amplification coefficient and displacement ductility coefficient of specimen are increase but the energy consumption decrease with larger reinforcement ratio. The axial compression ratio has the opposite effect compared with the reinforcement ratio. The acceleration response and dynamic amplification coefficient decrease but the displacement ductility coefficient and energy consumption increase with the larger stirrup ratio. The results of this study can be used in seismic design of hollow piers. © 2021, Editorial Board of World Earthquake Engineering. All right reserved.
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World Earthquake Engineering
ISSN: 1007-6069
Year: 2021
Issue: 1
Volume: 37
Page: 93-102
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 3
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