Research on Near-Fault Seismic Response of Rigid Frame Bridge Based on Shaking Table Test Considering SSI Effect

YAN Xiaoyu; ZHAO Zhuo; WANG Jin

doi:10.13204/j.gyjzG21102801

Volume 52 Issue 8

Aug. 2022

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2022 > 52(8): 140-146

Chen Aoyi, Zhang Zhaoyi, Wang Hui, Yang Zhiyan, Zhang Jiaqi. CONSTRUCTION INDUSTRIALIZATION AND GREEN MODULE BUILDING[J]. INDUSTRIAL CONSTRUCTION, 2014, 44(06): 108-111. doi: 10.13204/j.gyjz201406024

Citation:

YAN Xiaoyu, ZHAO Zhuo, WANG Jin. Research on Near-Fault Seismic Response of Rigid Frame Bridge Based on Shaking Table Test Considering SSI Effect[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(8): 140-146. doi: 10.13204/j.gyjzG21102801

Chen Aoyi, Zhang Zhaoyi, Wang Hui, Yang Zhiyan, Zhang Jiaqi. CONSTRUCTION INDUSTRIALIZATION AND GREEN MODULE BUILDING[J]. INDUSTRIAL CONSTRUCTION, 2014, 44(06): 108-111. doi: 10.13204/j.gyjz201406024

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Research on Near-Fault Seismic Response of Rigid Frame Bridge Based on Shaking Table Test Considering SSI Effect

doi: 10.13204/j.gyjzG21102801

1. School of Engineering, the Open University of China, Beijing 100039, China;
2. Key Laboratory of Coast Civil Structure Safety of China Ministry of Education, Tianjin University, Tianjin 300072, China;
3. Faculty of Architecture, Civil and Transportation Engineering, Beijing University of Technology, Beijing 100124, China

Received Date: 2021-10-28
Available Online: 2022-12-01

Abstract

Abstract

A three-span continuous rigid framed bridge model with a geometric similarity ratio of 1/10 was designed to carry out the corresponding shaking table tests. In the test, soil-structure interaction was considered. On the basis of the experiment, the finite element analysis model was established. Ten typical near-fault ground motions were selected to carry out the full-bridge numerical simulation analysis. Taking the Penzien model as a benchmark, a comparative study of the influence of the SSI effect on the seismic response of key components of rigid frame bridges was carried out. The results showed that SSI effect had significant influence on seismic response of rigid frame bridge. SSI effect could increase the displacement response and strain response by more than 0.2 times and 0.5 times respectively. Compared with the far-field earthquake, the internal force and deformation of the structure were increased by more than one time under the action of near-fault earthquake. Both near-fault and SSI effects would further amplify the adverse effects also should be considered. Both near-fault effect and SSI effect were unfavorable factors for seismic response of rigid frame bridge, which should be taken into precise consideration in seismic design to ensure structural safety.
- rigid-framed bridge,
- soil-structure interaction,
- shaking tables test,
- seismic response,
- near-fault ground motions

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References

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