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Performance Assessment of an Existing 47-Story High-Rise Building under Extreme Wind Loads
| 题名： | Performance Assessment of an Existing 47-Story High-Rise Building under Extreme Wind Loads |
| 正文语种： | 英文 |
| 作者： | Alireza Mohammadi, Ph.D., A.M.ASCE1; Atorod Azizinamini, Ph.D., P.E., M.ASCE2; Lawrence Griffis, P.E., M.ASCE3; Peter Irwin, Ph.D., P.E., F.ASCE4 |
| 作者单位： | 1Assistant Quality Engineer, WSP USA, 555 Pleasantville Rd., Briarcliff Manor, NY 10510 (corresponding author). 2Chair and Professor, Dept. of Civil and Environmental Engineering, Engineering and Computing College, Florida International Univ., 10555 W Flagler, Miami, FL 33174. 3Senior Consultant, Walter P Moore and Associates, Inc., 221 West 6th St., Austin, TX 78701. 4Professor of Practice, Dept. of Civil and Environmental Engineering, Engineering and Computing College, Florida International Univ., 10555 W Flagler, Miami, FL 33174. |
| 关键词： | building；forman；perform；existence；different；evaluation；iter；design；extreme；levels |
| 摘要： | This paper presents a wind performance–based evaluation of an existing 47-story steel moment frame high-rise building designed and built in the early 1970s according to the Houston Building Code in effect at the time with limited wind design criteria (strength requirement under factored wind loads, but no serviceability requirements considered) and no seismic design criteria. The building survived Hurricane Alicia (a Category-3 storm, 1983) without significant structural damage. The nonlinear dynamic response of the building to different wind hazard levels was evaluated by developing a 3D nonlinear finite-element model and using an incremental dynamic analysis (IDA) approach. Using results obtained from the IDA study and using wind performance criteria currently in practice, a wind performance assessment was carried out by evaluating the estimated performance levels as a function of basic wind speed. The results of this study indicated a surprisingly robust lateral capacity associated with the structural nonlinearity that occurred, but confirmed the existence of unacceptable serviceability performance under various levels of wind loading. |
| 出版年： | 2019 |
| 期刊名称： | Journal of Structural Engineering |
| 卷： | 145 |
| 期： | 1 |
| 页码： | 1-16 |
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