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Title: Seismic response reduction of megaframe with vibration control substructure
Authors: Huang JQ 
Chong, X
Jiang, Q
Ye, XG
Wang, HQ
Issue Date: 2018
Publisher: Hindawi Publishing Corporation
Source: Shock and vibration, 2018, v. 2018, 9427908, p. 1-14 How to cite?
Journal: Shock and vibration 
Abstract: Megaframe with vibration control substructure (MFVCS) is a tuned mass damper system, which converts the substructures into the tuned mass. In this study, a kind of MFVCS using both lead-rubber bearings and viscous dampers to connect the vibration control substructure with the megaframe was proposed. Then, based on a validated finite element model, a parametric analysis was conducted to study the effect of two parameters, the tuning frequency (i.e., the frequency of the substructure) and the damping provided by the lead-rubber bearings and viscous dampers on the seismic response reduction of the MFVCS under both frequent and rare earthquakes (i.e., probability of exceedance of 63% and 2% in 50 years, resp.). Furthermore, the optimized values of these two parameters were achieved. The results indicated that (1) the proposed MFVCS could provide a considerable seismic response reduction under frequent earthquake and showed a strong robustness; (2) the optimized values of the frequency ratio (ratio of tuning frequency to the megaframe's natural frequency) and damping scale factor (ratio between the investigated damping and a standard value) were 0.96 and 1.0, respectively; and * the seismic response reduction of the MFVCS under rare earthquake was lower than that under frequent earthquake.
ISSN: 1070-9622
EISSN: 1875-9203
DOI: 10.1155/2018/9427908
Rights: Copyright © 2018 Jun-Qi Huang et al. .is is an open access article distributed under the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
The following publication Huang, J. -., Chong, X., Jiang, Q., Ye, X. -. & Wang, H. -. (2018). Seismic response reduction of megaframe with vibration control substructure. Shock and Vibration, 2018, 9427908, 1-14 is available at
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