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OrdinaryRocking wall structures reinforced concreteConcrete frames encounter challenges when it comes to earthquake resistance. While they can be engineered to withstand moderate earthquakes, they are more vulnerable to severe events and can suffer significant damage or even collapse under strong seismic loads. Factors like irregularities in the structure, material quality, and design principles play a crucial role in determining their seismic performanceSeismic performance. In this context, the present study introduces the experimental implementation of a novel structural system: a four-story frame structure model configured with a prestressed rocking wallPrestressed rocking wall on 1/3-scale specimens. The experimental operations contain subjecting this structural model to bidirectional seismic excitation via a comprehensive series of shaking table tests. The tests enable the assessment of the model’s seismic performanceSeismic performance under bidirectional seismic forces, namely, its ability to withstand and function properly during and after an earthquake. In the test, the seismic performanceSeismic performance of the four-story frame-prestressed rockingFrame-prestressed rocking wall wallPrestressed rocking wall structure was investigated by (1) identifying its dynamic properties incorporating natural vibrationVibration period and damping ratio in vibrationVibration; (2) instrumenting the structure to record the acceleration and displacement responses with varying seismic wave inputs at distinct seismic magnitudes; and (3) finally conducting a comparative performance analysis between this structural system and ordinary frame structures.

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Shaking Table Test of Frame-Prestressed Rocking Wall Structures Under Bidirectional Seismic Actions

  • 会议论文

  • 发表日期：

    2026年

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  • Hongmei Ren,
  • Yingjun Gan,
  • Qinyu Shi,
  • Fuwen Zhang,
  • Gongsheng Peng

摘要

OrdinaryRocking wall structures reinforced concreteConcrete frames encounter challenges when it comes to earthquake resistance. While they can be engineered to withstand moderate earthquakes, they are more vulnerable to severe events and can suffer significant damage or even collapse under strong seismic loads. Factors like irregularities in the structure, material quality, and design principles play a crucial role in determining their seismic performanceSeismic performance. In this context, the present study introduces the experimental implementation of a novel structural system: a four-story frame structure model configured with a prestressed rocking wallPrestressed rocking wall on 1/3-scale specimens. The experimental operations contain subjecting this structural model to bidirectional seismic excitation via a comprehensive series of shaking table tests. The tests enable the assessment of the model’s seismic performanceSeismic performance under bidirectional seismic forces, namely, its ability to withstand and function properly during and after an earthquake. In the test, the seismic performanceSeismic performance of the four-story frame-prestressed rockingFrame-prestressed rocking wall wallPrestressed rocking wall structure was investigated by (1) identifying its dynamic properties incorporating natural vibrationVibration period and damping ratio in vibrationVibration; (2) instrumenting the structure to record the acceleration and displacement responses with varying seismic wave inputs at distinct seismic magnitudes; and (3) finally conducting a comparative performance analysis between this structural system and ordinary frame structures.