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Seismic Performance and Vulnerability Analysis of Traditional Chinese Timber Architecture Considering Initial Damage
An actual structure was selected for seismic vulnerability analysis (SVA) to study the seismic performance and damage probability of the traditional Chinese hall-style timber architecture under different earthquake intensities. The structural modal parameters and seismic response characteristics were obtained. A finite element model (FEM) of Dacheng Hall in Pingyao Confucian Temple, Shanxi Province, was established based on field measurement data, considering column inclination and material degradation, and was verified by field dynamic characteristic test. The seismic probability demand analysis of FEM was carried out after incremental dynamic analysis (IDA) and the SVA of Dacheng Hall was studied, taking the ground peak acceleration (PGA) and the maximum inter-story displacement angel as the ground motion intensity index (IM) and response parameters (DM), respectively. The probability of suffering minor damage for damaged structure under the minor earthquake (PGA 0.07 g) is about 61%. The most likely damage state of Dacheng Hall under moderate earthquake (PGA 0.2 g) is moderate damage and the occurrence probability is 75%. The probabilities of severe damage and collapse of the damaged structure under the major earthquake are about 72% and 12%, respectively. The collapse probability of damaged structure under the major earthquake is low, which reflected the excellent seismic performance of ancient timber buildings.
Seismic Performance and Vulnerability Analysis of Traditional Chinese Timber Architecture Considering Initial Damage
An actual structure was selected for seismic vulnerability analysis (SVA) to study the seismic performance and damage probability of the traditional Chinese hall-style timber architecture under different earthquake intensities. The structural modal parameters and seismic response characteristics were obtained. A finite element model (FEM) of Dacheng Hall in Pingyao Confucian Temple, Shanxi Province, was established based on field measurement data, considering column inclination and material degradation, and was verified by field dynamic characteristic test. The seismic probability demand analysis of FEM was carried out after incremental dynamic analysis (IDA) and the SVA of Dacheng Hall was studied, taking the ground peak acceleration (PGA) and the maximum inter-story displacement angel as the ground motion intensity index (IM) and response parameters (DM), respectively. The probability of suffering minor damage for damaged structure under the minor earthquake (PGA 0.07 g) is about 61%. The most likely damage state of Dacheng Hall under moderate earthquake (PGA 0.2 g) is moderate damage and the occurrence probability is 75%. The probabilities of severe damage and collapse of the damaged structure under the major earthquake are about 72% and 12%, respectively. The collapse probability of damaged structure under the major earthquake is low, which reflected the excellent seismic performance of ancient timber buildings.
Seismic Performance and Vulnerability Analysis of Traditional Chinese Timber Architecture Considering Initial Damage
RILEM Bookseries
Endo, Yohei (editor) / Hanazato, Toshikazu (editor) / Yang, Qingshan (author) / Zhou, Meng (author) / Liu, Ke (author)
International Conference on Structural Analysis of Historical Constructions ; 2023 ; Kyoto, Japan
Structural Analysis of Historical Constructions ; Chapter: 89 ; 1114-1124
RILEM Bookseries ; 47
2023-09-04
11 pages
Article/Chapter (Book)
Electronic Resource
English
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