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Seismic Response Analysis and Control of Frame Structures with Soft First Storey under Near-Fault Ground Motions
| Content Provider | Semantic Scholar |
|---|---|
| Author | Liu, Chunguang Sun, Peng Shi, Ruofan |
| Copyright Year | 2020 |
| Abstract | This paper proposes two kinds of arrangements of buckling-restrained brace dampers to strengthen soft-first-storey structures locally. Two types of near-fault ground motion, with and without pulse, were selected for a study of the seismic response characteristics of soft-first-storey structures with and without buckling-restrained brace dampers, and the effects of different bracing arrangements on improving the seismic performance of soft-first-storey structures were recognized. The results show that, compared with pulse-free ground motion, near-fault pulsed ground motion results in a more severe seismic response in soft-first-storey frame structures, leading to more serious and rapid destruction of the main structure. Buckling-restrained brace dampers have an obvious energy dissipation effect, play a better role in protecting the main structure, and have good practicality. Compared with structures in which the buckling-restrained brace dampers are arranged only on the bottommost layer, the bottom-four-layer-support structure is more advantageous in terms of seismic performance. |
| Starting Page | 1 |
| Ending Page | 13 |
| Page Count | 13 |
| File Format | PDF HTM / HTML |
| DOI | 10.1155/2020/2642431 |
| Alternate Webpage(s) | http://downloads.hindawi.com/journals/ace/2020/2642431.pdf |
| Alternate Webpage(s) | https://doi.org/10.1155/2020%2F2642431 |
| Volume Number | 2020 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
