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Multihazard Interaction Effects on the Performance of Low-Rise Wood-Frame Housing in Hurricane-Prone Regions
| 题名： | Multihazard Interaction Effects on the Performance of Low-Rise Wood-Frame Housing in Hurricane-Prone Regions |
| 正文语种： | 英文 |
| 作者： | Vipin U. Unnikrishnan, Ph.D., A.M.ASCE;Michele Barbato, Ph.D., P.E., M.ASCE |
| 作者单位： | Impact Forecasting LLC;Louisiana State Univ |
| 关键词： | Multihazard analysis; Performance-based engineering; Hurricane engineering; Loss analysis; Residential buildings; Wood-frame housing; Wind effects. |
| 摘要： | Huirricanes represent multihazard events that include wind, windbome debris, storm surge, and rainfall hazards. Conventional risk analysis does not consider the interaction between these multiple hazards and treats each risk source as statistically independent of other hazards. In this paper, the effects of multihazard interaction on the performance of low-rise wood-frame residential buildings subject to hurricane hazard are investigated using the performance-based hurricane engineering (PBHE) framework. The use of different hazardmodel i ng techniques and vulnerability analysis approaches is examined. A new, consistent terminology to classify different hazard-modeling * techniques is also proposed. A case study consisting of a realistic building in an actual residential development in Charleston, South Carolina, is presented to investigate the effects of hazard interaction in the different phases of the PBHE framework. Three different hazard-modeling techniques (based on different amounts of available statistical information) and two vulnerability analysis approaches (global vulnerability and assembly-based vulnerability) are considered, for a total of six combinations of loss analysis results for each location. It is concluded that the use of different hazard models and vulnerability approaches can significantly affect the final results of a loss analysis. DOI: 10.1061/ (ASCE)ST. 1943-541X.0001797. © 2017 American Society of Civil Engineers. |
| 出版日期： | 2017.08 |
| 出版年： | 2017 |
| 期刊名称： | Journal of Structural Engineering |
| 卷： | Vol.143 |
| 期： | NO.08 |
| 页码： | 04017076 |
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