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Seismic Fragility Analysis of Base-Isolated Reinforced Concrete Frames Analysed by Direct Displacement-Based Design
Direct displacement-based design is performance-based design approach, and one has to check the suitability of the method against different types of ground motions, namely far field, near field fling step and near field forward directivity. The method is applied for the buildings with hysteretic isolation bearings. Fragility analysis is conducted on the buildings analysed by this method and is verified for maximum interstorey drift ratio (MIDR) and maximum isolator displacement (MID) as damage measures subjected to ground motions. The method is applied for eight- and twelve-storey reinforced concrete frame structures equipped with lead rubber bearing. The probability of exceedance was higher for near field forward directivity for all the buildings. Further, the base isolation was not much effective in twelve-storey building. The energy dissipation mechanism in the isolators controls the displacement of the structure within acceptable limits at the level of isolator.
Seismic Fragility Analysis of Base-Isolated Reinforced Concrete Frames Analysed by Direct Displacement-Based Design
Direct displacement-based design is performance-based design approach, and one has to check the suitability of the method against different types of ground motions, namely far field, near field fling step and near field forward directivity. The method is applied for the buildings with hysteretic isolation bearings. Fragility analysis is conducted on the buildings analysed by this method and is verified for maximum interstorey drift ratio (MIDR) and maximum isolator displacement (MID) as damage measures subjected to ground motions. The method is applied for eight- and twelve-storey reinforced concrete frame structures equipped with lead rubber bearing. The probability of exceedance was higher for near field forward directivity for all the buildings. Further, the base isolation was not much effective in twelve-storey building. The energy dissipation mechanism in the isolators controls the displacement of the structure within acceptable limits at the level of isolator.
Seismic Fragility Analysis of Base-Isolated Reinforced Concrete Frames Analysed by Direct Displacement-Based Design
Lecture Notes in Civil Engineering
Kondraivendhan, B. (editor) / Modhera, C. D. (editor) / Matsagar, Vasant (editor) / Chikmath, Channabasaveshwar (author) / Vasanwala, S. A. (author) / Karikatti, Veeresh (author)
2022-05-14
7 pages
Article/Chapter (Book)
Electronic Resource
English
Seismic Fragility Analysis of Reinforced Concrete Frames with Service Life
| Tema Archive | 2012
Seismic Fragility Analysis of Reinforced Concrete Frames within Service Life
| Tema Archive | 2012