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Abstract:
Due to a lack of seismic design, traditional timber structures make their mortise and tenon joints susceptible to seismic action. To date, there are limited mortise and tenon joints strengthening techniques that are efficient and safe. This study proposed a novel assembled hoop of adjustable stiffness to enhance the seismic resilience of joints. To evaluate the efficacy of this reinforcing technique, two 1/2 scaled Chuan-dou timber structural models were designed, namely intact and reinforced models. The comparative analysis of these models was conducted by shaking table tests. Under a seismic intensity of 8.0, the dynamic amplification factor of the reinforced model decreased by 2.9 % compared to the intact model, and the maximum displacement response decreased by 27 %. This indicates that the seismic performance of the reinforced structure was restored to the same level as the intact structure. Additionally, the interstory drift was reduced from 1/33-1/35. This indicates that the proposed reinforcement technique is feasible and effective in the seismic performance and local joints energy dissipation for the Chuan-dou timber structure.
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STRUCTURES
ISSN: 2352-0124
Year: 2025
Volume: 76
3 . 9 0 0
JCR@2023
CAS Journal Grade:2
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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