期刊
ENGINEERING STRUCTURES
卷 33, 期 2, 页码 410-420出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.engstruct.2010.10.024
关键词
High-rise buildings; Wind loading; Along-wind dynamic response; Monte Carlo simulation; CAARC building; Performance-based assessment
资金
- Northeastern University, Department of Civil and Environmental Engineering
- National Science Foundation [CMMI 0844977]
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [0844977] Funding Source: National Science Foundation
This paper presents a numerical algorithm for the simulation of the along-wind dynamic response of tall buildings under turbulent winds, using Monte Carlo (MC) integration methods. The proposed MC numerical procedure was used to compute the power spectral density of the buffeting loads, and to derive the statistics of the dynamic response in the presence of uncertainty in the wind loading. The CAARC prototype building was utilized to validate the proposed algorithm. This paper also presents the computation of the structural fragility curves of the CAARC building under extreme winds; preliminary investigations were conducted to assess the applicability of the proposed algorithm to a performance-based assessment. The results of these studies validated the appropriateness of the developed algorithm through comparison to reference values obtained from the literature for the CAARC building. Furthermore, structural fragility curves were utilized for a preliminary performance analysis, based on simulated along-wind response serviceability limit states. (C) 2010 Elsevier Ltd. All rights reserved.
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