Journal of Shanghai University(Natural Science Edition) ›› 2023, Vol. 29 ›› Issue (3): 512-.doi: 10.12066/j.issn.1007-2861.2299
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WU Yiwen, ZHU Jiejiang
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Abstract: The research aims to study the seismic performance of shear wall with different slotted lengths. Stress analysis of cross sections of shear wall were carried out to quantify the theoretical bearing capacity of the wall under different slotted lengths, and based on the performance goals in fourth level and under third level, cross section of self-reset wall was designed and compared with existing experimental results as well as static elastoplastic results of self-resetting shear wall with variable slit lengths for validation. The results show that the theoretical expression of the bearing capacity agrees with existing experimental and finite element results. Moreover, with an increase in crack length, the self-repositioning ability of the wall increases, and the energy dissipation capacity decreases. A slit length coefficient of 0.2–0.3 adheres to the limit of residual displacement angle and maintains a satisfactory energy dissipation capacity.
Key words: self-reset shear wall, post-tensioning prestress, section design method, slot at the bottom, static elastoplastic analysis
CLC Number:
TU375
WU Yiwen, ZHU Jiejiang. Section design and seismic performance of self-resetting shear wall with variable slit length[J]. Journal of Shanghai University(Natural Science Edition), 2023, 29(3): 512-.
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URL: https://www.journal.shu.edu.cn/EN/10.12066/j.issn.1007-2861.2299
https://www.journal.shu.edu.cn/EN/Y2023/V29/I3/512