Experimental study on the effectiveness of TLDs under wave loading |
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| Authors: | Dong Sheng Li Huajun Lu Ming Tomotsuka Takayama |
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| Institution: | 1. College of Engineering, Ocean University of Qingdao, 266003, Qingdao, P. R. China
2. Disaster Prevention Research Institute, Kyoto University, 611-0011, Kyoto, Japan
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| Abstract: | The objective of this study is to experimentally investigate the effectiveness of Tuned Liquid Dampers (TLDs) for suppressing the dynamic response of a platform structure subjected to wave loading and to explore the applicability of TLDs for suppressing the structural vibration of fixed offshore platforms. The experimental model is scaled according to a full size platform by matching its dynamic properties. Rectangular and circular TLDs of various sizes and water depths are examined.The experiments were performed in a 2-D wave flume. The effectiveness of TLDs is evaluated based on their response reduction. By observing the performance and the behavior of TLDs through laboratory experiments, the effects of a number of parameters including container shape, container size, number of dampers, frequency ratio, mass ratio, and incident wave characteristics are investigated. |
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| Keywords: | tuned liquid dampers rectangular container circular container jacket platform vibration |
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