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Sustainability Metrics for Performance-Based Seismic Bridge Response
| 题名： | Sustainability Metrics for Performance-Based Seismic Bridge Response |
| 正文语种： | 英文 |
| 作者： | Kevin R. Mackie, M.ASCE; Murat Kucukvar;Omer Tatari, A.M.ASCE;Ahmed Elgamal, M.ASCE |
| 作者单位： | Univ, of Central Florida;Istanbul Sehir Univ |
| 关键词： | Carbon footprint; Emissions; Fragility; Loss modeling; Repair cost; Resilience; Sustainability; Seismic effects. |
| 摘要： | Previous performance-based earthquake engineering investigations on highway bridges focused on repair cost and repair time metrics. These are primarily related to economic life-cycle cost analysis decision-making strategies for evaluating the vulnerability of bridges. However, environmental impacts considered during life-cycle assessment are also of interest. A methodology for quantifying the sustain-ability of bridge designs using carb on footprint as the performance metric is presented. Point estimates of the carbon footprint, repair cost, and repair time are used to compute resilience of several bridge-ground scenarios. Several multispan reinforced concrete highway overpass bridges in California from previous studies were selected for study because post-earthquake probabilistic repair cost and time data are already available. It is demonstrated that the disaggregation of the structure into performance groups, or components that are repaired together, and the 'probabilistic methodology previously employed lend themselves to the additional computations for carbon footprint. The performanee groups and material quantities that drive the major contributions to carbon footprint as opposed to economic costs are presented. DOI: 10.1061/ (ASCE)ST. 1943-541 X.0001287. © 2015 American Society of Civil Engineers. |
| 出版日期： | 2016.08 |
| 出版年： | 2016 |
| 期刊名称： | Journal of Structural Engineering |
| 卷： | Vol.142 |
| 期： | NO.08 |
| 页码： | C4015001 |
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