Study on Seismic Simulation Shaking Table Tests of a Complex Museum with Combined Seismic Isolation and Shock Absorpation Structure

LAN Xiang; PAN Wen; SU Hexian; LAI Zhengcong; YU Wenzheng

doi:10.13204/j.gyjzG22011107

Volume 53 Issue 1

Jan. 2023

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2023 > 53(1): 121-129

Zhang Chang. THE MEASUREMENT AND ANALYSIS OF WEB PRESTRESS LOSS OF A CONTINOUS MOMENT FRAME BRIDGE[J]. INDUSTRIAL CONSTRUCTION, 2015, 45(4): 88-91. doi: 10.13204/j.gyjz201504016

Citation:

LAN Xiang, PAN Wen, SU Hexian, LAI Zhengcong, YU Wenzheng. Study on Seismic Simulation Shaking Table Tests of a Complex Museum with Combined Seismic Isolation and Shock Absorpation Structure[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(1): 121-129. doi: 10.13204/j.gyjzG22011107

Zhang Chang. THE MEASUREMENT AND ANALYSIS OF WEB PRESTRESS LOSS OF A CONTINOUS MOMENT FRAME BRIDGE[J]. INDUSTRIAL CONSTRUCTION, 2015, 45(4): 88-91. doi: 10.13204/j.gyjz201504016

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Study on Seismic Simulation Shaking Table Tests of a Complex Museum with Combined Seismic Isolation and Shock Absorpation Structure

doi: 10.13204/j.gyjzG22011107

1. College of Architecture and Civil Engineering, Kunming University, Kunming 650214, China;
2. Faculty of Civil Engineering and Mechanics, Kunming University of Science and Technology, Kunming 650500, China

Received Date: 2022-01-11
Available Online: 2023-05-25
Publish Date: 2023-01-20

Abstract

Abstract

In order to study the seismic performance of a museum adopting a measure of seismic isolation and shock absorption, a 1/30 scale model of the structure with rubber isolation bearings beneathe column bottoms of ground floors and buckling-restrainted braces in the upper structure was conducted on a shaking table for earthquake simulation tests. Experimental research showed that subjected to various levels of earthquakes, the combined seismic isolation and shock absorption structure was only slightly damaged, the first of translation natural vibration frequency in the Y-direction was reduced by 9.1% subjected to the fortification earthquake, and the first torsional frequency reduced by 6.1% subjected to the rare earthquake. The acceleration amplification factor was 0.45 in the isolation storey, and the upper structure was also less than 1.0. The energy consumption performance of isolation bearings became better and better with the increase of earthquake intensities. From the energy consumption of only about 4 kN·mm under frequent earthquakes to the maximum energy consumption of about 426 kN·mm under rare earthquake, the combined measure for the structure achieved the expected shock absorption goal well.
- combined damping,
- isolation,
- energy dissipation,
- shaking table test,
- feasibility scheme

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References(12)

References

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