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논문 기본 정보

자료유형
학술저널
저자정보
Zhang, Huidong (Tianjin Key Laboratory of Civil Buildings Protection and Reinforcement) Wang, Jinpeng (Tianjin Key Laboratory of Civil Buildings Protection and Reinforcement) Zhang, Xiaoshuai (Tianjin Key Laboratory of Civil Buildings Protection and Reinforcement) Liu, Guoping (Tianjin Key Laboratory of Civil Buildings Protection and Reinforcement)
저널정보
테크노프레스 Structural engineering and mechanics : An international journal Structural engineering and mechanics : An international journal 제62권 제4호
발행연도
2017.1
수록면
455 - 464 (10page)

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Rayleigh damping model is recommended in the recently developed Performance-Based Earthquake Engineering (PBEE) methodology, but this methodology does not provide sufficient information due to the complexity of the damping mechanism. Furthermore, each Rayleigh-type damping model may have its individual limitations. In this study, Rayleigh-type damping models that are used widely in engineering practice are discussed. The seismic performance of a large-span single-layer latticed dome subjected to earthquake ground motions is investigated using different Rayleigh damping models. Herein a simulation technique is developed considering low cycle fatigue (LCF) in steel material. In the simulation technique, Ramberg-Osgood steel material model with the low cycle fatigue effect is used to simulate the non-uniformly distributed material damping and low cycle fatigue damage in the structure. Subsequently, the damping forces of the structure generated by different damping models are compared and discussed; the effects of the damping ratio and roof load on the damping forces are evaluated. Finally, the low cycle fatigue damage values in sections of members are given using these damping models. Through a comparative analysis, an appropriate Rayleigh-type damping model used for a large span single-layer latticed dome subjected to earthquake ground motions is determined in terms of the existing damping models.

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