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Probabilistic Prediction of Postdisaster Functionality Loss of Community Building Portfolios Considering Utility Disruptions
| 题名： | Probabilistic Prediction of Postdisaster Functionality Loss of Community Building Portfolios Considering Utility Disruptions |
| 其他题名： | Adachi,T.,and Ellingwood,B.R.(2008)."Serviceability of earthquakedamaged water systems:Effects of electrical power availability and power backup systems on system vulnerability."Reliab.Eng.Syst.Saf.,93(1),78-88. |
| 正文语种： | 英文 |
| 作者： | Weili Zhang |
| 关键词： | Community resilience;Building functionality loss;Physical infrastructure;Interdependent utility networks;Uncertainty modeling; Earthquake hazard |
| 摘要： | This study proposes a framework for the probabilistic prediction of building portfolio functionality loss (BPFL) in a community following an earthquake hazard. Building functionality is jointly affected by both the structural integrity of the building itself and the availability of critical utilities. To this end, the framework incorporates three analyses for a given earthquake scenario: (1) evaluation of the spatial distribution of physical damages to both buildings and utility infrastructure; (2) computation of utility disruptions deriving from the cascading failures occurring in interdependent utility networks; and (3) by integrating the results from the first two analyses, making a probabilistic prediction of the postevent functionality loss of building portfolios at the community scale. The framework couples the functionality analyses of physical systems of distinct topologies and hazard response characteristics in a consistent spatial scale, providing a rich array of information for community hazard mitigation and resilience planning. An implementation of the BPFL framework is illustrated using the residential building portfolio in Shelby County, Tennessee, subjected to an earthquake hazard. |
| 出版年： | 2018 |
| 论文唯一标识： | P-26Y2018V144N04008 |
| 英文栏目名称： | TECHNICAL PAPERS |
| doi： | 10.1061/(ASCE)ST.1943-541X.0001984 |
| 期刊名称： | Journal of Structural Engineering |
| 拼音刊名(出版物代码)： | P-26 |
| 卷： | 144 |
| 期： | 04 |
| 页码： | 80-92 |
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