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<p>In this study, the damage modes, hysteresis curves, and changes in characteristic loads of the models obtained from experiments in both positive and negative directions are analyzed, and the results show that the T-type recycled aggregate concrete short-leg shear walls have excellent seismic performance. Meanwhile, with the increase of the replacement rate of recycled coarse aggregate, the indexes such as hysteresis performance gradually improved; with the increase of axial compression ratio, the indexes gradually decreased. Finally, the formula for calculating the normal section ultimate bearing capacity of T-type RAC short-legged shear wall was established through experimental analysis, and the formula for calculating the horizontal ultimate bearing capacity was derived on the basis of this formula, and the horizontal ultimate bearing capacity of the four models was calculated by using the established formula, and the average error was only 9.45%, which indicated that it was basically consistent with the experimental results. The above results show that the formula can be used for the design and calculation of actual T-type RAC short-leg shear walls.</p>

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Low Cyclic Loading Performance Test and Ultimate Bearing Capacity Analysis of T-Shaped RAC Short-Leg Shear Wall

  • 期刊论文

  • 发表日期：

    2025年6月5日

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  • Yujiang Fan,
  • Mengge Zhang,
  • Yuqi Zhao,
  • Zixuan Xu,
  • Yuxi Chen

摘要

In this study, the damage modes, hysteresis curves, and changes in characteristic loads of the models obtained from experiments in both positive and negative directions are analyzed, and the results show that the T-type recycled aggregate concrete short-leg shear walls have excellent seismic performance. Meanwhile, with the increase of the replacement rate of recycled coarse aggregate, the indexes such as hysteresis performance gradually improved; with the increase of axial compression ratio, the indexes gradually decreased. Finally, the formula for calculating the normal section ultimate bearing capacity of T-type RAC short-legged shear wall was established through experimental analysis, and the formula for calculating the horizontal ultimate bearing capacity was derived on the basis of this formula, and the horizontal ultimate bearing capacity of the four models was calculated by using the established formula, and the average error was only 9.45%, which indicated that it was basically consistent with the experimental results. The above results show that the formula can be used for the design and calculation of actual T-type RAC short-leg shear walls.