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Performance-based optimal selection method for reinforcement schemes of seismic damaged structures
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Xiaobin WU1, Feng GAO1, Peng CHEN2, Yaoqing XIONG1
Earthquake Engineering and Engineering Dynamics | 2025, 45(3) : 202 - 211
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Earthquake Engineering and Engineering Dynamics | 2025, 45(3): 202-211
Performance-based optimal selection method for reinforcement schemes of seismic damaged structures
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Xiaobin WU1, Feng GAO1, Peng CHEN2, Yaoqing XIONG1
Affiliations
  • 1.China Southwest Architecture Design and Research Institute Co., Ltd., Chengdu 610041, China
  • 2.College of Architecture & Environment, Sichuan University, Chengdu 610207, China
Published: 2025-06-30 doi: 10.13197/j.eeed.2025.0318
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The cost-effective ratio for the reinforcement of seismic damaged structures is proposed based on the estimated seismic economic loss and reinforcement cost. A performance-based optimal selection method is established. The cost-effective ratio and estimated repair time are adopted as quantitative indexes. Besides, the construction technology, construction time cost, and effect on building functions are qualitative indexes. The technique for order preference by similarity to ideal solution (TOPSIS) and combination ordered weighted averaging (C-OWA) were adopted as the mathematical method for optimal selection. Taking a certain typical concrete frame structure as the research object, based on the incremental dynamic analysis results of different seismic damage reinforcement schemes, a comparative and optimal selection study of the FRP reinforcement scheme, shock absorption reinforcement scheme, and seismic isolation reinforcement scheme for the seismic damaged structure was carried out. Results indicate that the proposed cost-effective ratio can provide a comprehensive and objective insight into promoting seismic performance from an economic perspective. Moreover, the performance-based optimal selection procedure can effectively provide a scientific basis for the construction decision-maker by combining objective situations and subjective willingness.

seismic strengthening  /  performance-based earthquake engineering  /  TOPSIS method  /  cost-effective ratio for the reinforcement  /  optimal selection
Xiaobin WU, Feng GAO, Peng CHEN, Yaoqing XIONG. Performance-based optimal selection method for reinforcement schemes of seismic damaged structures[J]. Earthquake Engineering and Engineering Dynamics, 2025 , 45 (3) : 202 -211 . DOI: 10.13197/j.eeed.2025.0318
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Year 2025 volume 45 Issue 3
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Article Info
doi: 10.13197/j.eeed.2025.0318
  • Receive Date：2024-02-07
  • Online Date：2026-03-20
  • Published：2025-06-30
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History
  • Received：2024-02-07
  • Revised：2024-03-11
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    1.China Southwest Architecture Design and Research Institute Co., Ltd., Chengdu 610041, China
    2.College of Architecture & Environment, Sichuan University, Chengdu 610207, China
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多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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