Premium
Shaking table test and numerical simulation on vibration control effects of TMD with different mass ratios on a super high‐rise structure
Author(s) -
Lu Zheng,
Zhang Hengrui,
Zhao Bin,
Li Xianjie
Publication year - 2018
Publication title -
the structural design of tall and special buildings
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.895
H-Index - 43
eISSN - 1541-7808
pISSN - 1541-7794
DOI - 10.1002/tal.1470
Subject(s) - tuned mass damper , earthquake shaking table , mass ratio , damping ratio , stiffness , structural engineering , vibration , vibration control , nonlinear system , damper , high rise , computer simulation , engineering , materials science , physics , simulation , aeronautics , quantum mechanics
Summary In this paper, the influence of mass ratio on the vibration control effects of tuned mass damper (TMD) on a super high‐rise building has been investigated. A 1/45 scaled model of a super high‐rise building was constructed, and the TMD with the mass ratio of 0.01, 0.02, and 0.03, respectively, was suspended on the top. Shaking table test and the corresponding numerical simulation were carried out to make a further understanding of the damping mechanism. The structural performance with or without TMD was comparatively studied. The results show that larger mass ratio can improve the control effects under frequent earthquake, but the control effects increase little with the increase of mass ratio under rare earthquake due to structural damages, accompanied by stiffness degradation and nonlinear behavior of the main structure. In addition, some suggestions on the mass ratio selection are also proposed to generalize its applications.