Seismic analysis of a LNG storage tank isolated by a multiple friction pendulum system |
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| Authors: | Ruifu Zhang Dagen Weng Xiaosong Ren |
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| Institution: | Zhang Ruifu,Weng Dagen and Ren Xiaosong State Key Laboratory for Disaster Reduction in Civil Engineering,Tongji University,Shanghai 200092,China |
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| Abstract: | The seismic response of an isolated vertical, cylindrical, extra-large liquefi ed natural gas (LNG) tank by a multiple friction pendulum system (MFPS) is analyzed. Most of the extra-large LNG tanks have a fundamental frequency which involves a range of resonance of most earthquake ground motions. It is an effective way to decrease the response of an isolation system used for extra-large LNG storage tanks under a strong earthquake. However, it is difficult to implement in practice with common isolation beari... |
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| Keywords: | LNG tank earthquake isolation bearing |
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