Investigation on seismic resistance of high-rising buildings installed with viscoelastic-wall dampers

M. Liu; Y. Wang; J. Ren

doi:10.1117/12.2175659

2 April 2015 Investigation on seismic resistance of high-rising buildings installed with viscoelastic-wall dampers

M. Liu, Y. Wang, J. Ren

Proceedings Volume 9431, Active and Passive Smart Structures and Integrated Systems 2015; 94312I (2015) https://doi.org/10.1117/12.2175659
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2015, San Diego, California, United States

Abstract

Viscoelastic dampers are one of popular vibration mitigation devices applied to tall buildings to reduce seismic and wind-induced vibiration. In this paper，a new kind of viscoelastic-wall damper, which could be installed at the shearwall location of high-rising buildings, is proposed to enhance the energy disspation ability. The seismic resistance behaviors of one tall building installed with the viscoelastic-wall dampers are investigated by numerical analysis. The mechanical property testing of the viscoelastic-wall damper is carried to investigate its performance parameter under various exciting frequency and strain amplitude. According to the testing results, a mathematical model of viscoelastic - wall damper is modeled based on Kelvin model. On the basis of a 36-floor frame-shear wall structure and using the finite element software ABAQUS, two finite element models of the high-rising building with and without viscoelastic-wall dampers are set up. Elasto-plastic time-history analysis is used to compare the seismic performance of the two structures subjected to the frequently and rarely earthquakes. It is proved that the seismic response of the structure is mitigated effectively when it is equipped with viscoelastic-wall dampers.

Citation Download Citation

M. Liu, Y. Wang, and J. Ren "Investigation on seismic resistance of high-rising buildings installed with viscoelastic-wall dampers", Proc. SPIE 9431, Active and Passive Smart Structures and Integrated Systems 2015, 94312I (2 April 2015); https://doi.org/10.1117/12.2175659

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