Seismic resilience of retrofitted RC buildings
Existing buildings can be at a greater seismic risk due to non-conformance to current design codes and may require structural retrofitting to improve building performance. The performance of buildings is measured in terms of immediate consequences due to direct damage, but the continuing impacts rel...
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| Veröffentlicht in: | Earthquake Engineering and Engineering Vibration 2020-07, Vol.19 (3), p.561-571 |
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| creator | Anwar, Ghazanfar Ali Dong, You |
| description | Existing buildings can be at a greater seismic risk due to non-conformance to current design codes and may require structural retrofitting to improve building performance. The performance of buildings is measured in terms of immediate consequences due to direct damage, but the continuing impacts related to recovery are not considered in seismic retrofit assessment. This paper introduces a framework of retrofit selection based on the seismic resilience of deficient buildings retrofitted with the conventional mitigation approaches. The assembly-based methodology is considered for the seismic resilience assessment by compiling a nonlinear numerical model and a building performance model. The collapse fragility is developed from the capacity curve, and the resulting social, economic, and environmental consequences are determined. The seismic resilience of a building is assessed by developing a downtime assessment methodology incorporating sequence of repairs, impeding factors, and utility availability. Five functionality states are developed for the building functionality given investigated time interval, and a functionality curve for each retrofit is determined. It is concluded that seismic resilience can be used as a performance indicator to assess the continuing impacts of a hazard for the retrofit selection. |
| doi_str_mv | 10.1007/s11803-020-0580-z |
| format | Article |
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The performance of buildings is measured in terms of immediate consequences due to direct damage, but the continuing impacts related to recovery are not considered in seismic retrofit assessment. This paper introduces a framework of retrofit selection based on the seismic resilience of deficient buildings retrofitted with the conventional mitigation approaches. The assembly-based methodology is considered for the seismic resilience assessment by compiling a nonlinear numerical model and a building performance model. The collapse fragility is developed from the capacity curve, and the resulting social, economic, and environmental consequences are determined. The seismic resilience of a building is assessed by developing a downtime assessment methodology incorporating sequence of repairs, impeding factors, and utility availability. Five functionality states are developed for the building functionality given investigated time interval, and a functionality curve for each retrofit is determined. 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Eng. Eng. Vib</addtitle><description>Existing buildings can be at a greater seismic risk due to non-conformance to current design codes and may require structural retrofitting to improve building performance. The performance of buildings is measured in terms of immediate consequences due to direct damage, but the continuing impacts related to recovery are not considered in seismic retrofit assessment. This paper introduces a framework of retrofit selection based on the seismic resilience of deficient buildings retrofitted with the conventional mitigation approaches. The assembly-based methodology is considered for the seismic resilience assessment by compiling a nonlinear numerical model and a building performance model. The collapse fragility is developed from the capacity curve, and the resulting social, economic, and environmental consequences are determined. 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The collapse fragility is developed from the capacity curve, and the resulting social, economic, and environmental consequences are determined. The seismic resilience of a building is assessed by developing a downtime assessment methodology incorporating sequence of repairs, impeding factors, and utility availability. Five functionality states are developed for the building functionality given investigated time interval, and a functionality curve for each retrofit is determined. It is concluded that seismic resilience can be used as a performance indicator to assess the continuing impacts of a hazard for the retrofit selection.</abstract><cop>Harbin</cop><pub>Institute of Engineering Mechanics, China Earthquake Administration</pub><doi>10.1007/s11803-020-0580-z</doi><tpages>11</tpages></addata></record> |
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| ispartof | Earthquake Engineering and Engineering Vibration, 2020-07, Vol.19 (3), p.561-571 |
| issn | 1671-3664 1993-503X |
| language | eng |
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| source | Alma/SFX Local Collection; SpringerLink Journals - AutoHoldings |
| subjects | Building codes Buildings Civil Engineering Control Downtime Dynamical Systems Earth Sciences Earthquake damage Earthquake resistance Economic conditions Economics Fragility Geotechnical Engineering & Applied Earth Sciences Impact damage Mathematical models Methods Mitigation Numerical models Recent progress in evaluation and improvement on seismic resilience of engineering structures Resilience Retrofitting Seismic activity Seismic engineering Seismic hazard Special Section: Recent Progress in Evaluation and Improvement on Seismic Resilience of Engineering Structures Vibration |
| title | Seismic resilience of retrofitted RC buildings |
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