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Abstract:
This paper presented the quasi-static experimental study to examine the cyclic behavior of the self-centering (SC) rocking column with the shape memory alloy slip friction damper (SMASFD). The behavior of the key parts of the rocking column, namely, NiTi SMA bolt and variable friction surface, was tested. The cyclic behavior of a 1∶ 2-scale specimen of the rocking column was obtained through quasi-static test. It is shown that, during the test, the rocking column exhibits anticipated deformation mode, where the column base opens and rotates. After test,there is no damage, the column and SMASFDs return to their original position. The rocking column has a stable and symmetrical flag-shaped hysteresis curve, indicating it has excellent SC capacity and satisfactory energy-dissipation capability. The analytical method can predict the moment-drift behavior of the rocking column, and the result agrees well with the experimental data. The hysteretic characteristics of the rocking column at different stages can also be well captured. In addition, refined model and efficient computational model were established in ABAQUS and OpenSees to further understand the cyclic behavior of the proposed rocking column, and good agreement can be found between the numerical and experimental results. © 2023 Science Press. All rights reserved.
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Journal of Building Structures
ISSN: 1000-6869
Year: 2023
Issue: 7
Volume: 44
Page: 59-69
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
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Chinese Cited Count:
30 Days PV: 7
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