Abstract
This paper analyses the influence of friction coefficient and equivalent radius on the seismic reduction effect of friction pendulum bearings in the underground station under far-field and near-field earthquakes with different strength. It is found that the parameters of the friction pendulum bearings will obviously influence seismic reduction effectiveness. By combining genetic algorithm with finite element method, the parameters of friction pendulum bearings in the station can be optimized. By using this method, the optimal parameters range can be obtained, which can provide reference for parameter design of friction pendulum bearings in underground stations. © 2021 Taylor & Francis Group, LLC.
| Original language | English |
|---|---|
| Pages (from-to) | 7814-7831 |
| Number of pages | 18 |
| Journal | Journal of Earthquake Engineering |
| Volume | 26 |
| Issue number | 15 |
| Online published | 1 Nov 2021 |
| DOIs | |
| Publication status | Published - 2022 |
| Externally published | Yes |
Funding
This work was supported by the National Natural Science Foundation of China under Grant [number 51778464] and State Key Laboratory of Disaster Reduction in Civil Engineering [number SLDRCE19-B-38].
Research Keywords
- friction pendulum bearings
- genetic algorithm
- parameters analysis
- parameters optimization
- Seismic mitigation of underground station
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