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Multi-scale earthquake damage evolution method study on ancient timber structures
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Minghao WU1, Yongjian WANG1, Shaofei JIANG2
Earthquake Engineering and Engineering Dynamics | 2025, 45(1) : 177 - 186
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Earthquake Engineering and Engineering Dynamics | 2025, 45(1): 177-186
Multi-scale earthquake damage evolution method study on ancient timber structures
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Minghao WU1, Yongjian WANG1, Shaofei JIANG2
Affiliations
  • 1.College of Civil Engineering, Fujian University of Technology, Fuzhou 350108, China
  • 2.College of Civil Engineering, Fuzhou University, Fuzhou 350118, China
Published: 2025-02-28 doi: 10.13197/j.eeed.2025.0118
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In order to reveal the damage mechanism of ancient timber structures and to make a reasonable evaluation of the damage degree under earthquakes, this paper proposes a multi-scale seismic damage evolution analysis method for the ancient timber structure. Based on the generalized force-deformation relationship and performance-based seismic design, the generalized damage index is established through test data fitting analysis, thus multi-scale consistency damage indices are proposed. According to the multiple point constraint method (MPC), a multiple-scale model is developed for ancient timber structures, which can reveal macro mechanical properties and local failure details. The proposed damage evolution analysis method is validated by a cyclic loading test of mortise-tenon joint and a shaking table test of the multi-story timber framework, and the evolution process and results are also shown. The proposed multi-scale analysis method provides evaluation results of seismic appraisal for existing ancient timber structures, including assessments at the local material, component to overall structural levels. Furthermore, it elucidates the evolutionary relationships between each level of the whole structure, providing a scientific basis for reinforcement and repair work.

ancient timber structure  /  multi-scale damage evolution analysis  /  seismic damage model  /  finite element simulation analysis
Minghao WU, Yongjian WANG, Shaofei JIANG. Multi-scale earthquake damage evolution method study on ancient timber structures[J]. Earthquake Engineering and Engineering Dynamics, 2025 , 45 (1) : 177 -186 . DOI: 10.13197/j.eeed.2025.0118
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Year 2025 volume 45 Issue 1
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Article Info
doi: 10.13197/j.eeed.2025.0118
  • Receive Date：2023-11-09
  • Online Date：2026-03-20
  • Published：2025-02-28
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History
  • Received：2023-11-09
  • Revised：2024-03-16
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Affiliations
    1.College of Civil Engineering, Fujian University of Technology, Fuzhou 350108, China
    2.College of Civil Engineering, Fuzhou University, Fuzhou 350118, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
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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