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- Title
Tri-directional shaking table tests of vibration sensitive equipment with static dynamics interchangeable-ball pendulum system.
- Authors
Tsai, C. S.; Yung-Chang Lin; Wen-Shin Chen; Su, H. C.
- Abstract
Recently, the high-tech industry has become a key industry for economic development in many countries. However, vibration sensitive equipment located in these industrial buildings is vulnerable during earthquakes, which may cause huge economic loss. In this study, an innovative isolator for safeguarding the vibration sensitive equipment, namely, the static dynamics interchangeable-ball pendulum system (SDI-BPS) is proposed and investigated to examine its protective capability for the vibration sensitive equipment during earthquakes through a series of tri-directional shaking table tests. The experimental results illustrate that the SDI-BPS isolator can provide significant damping to rolling types of base isolation systems for reducing the bearing displacement and size, and avoid the stress concentration, which can cause damage or scratches on the rolling surface of the isolator, to prolong its life span of service. The SDI-BPS isolator also provides excellent capability in protecting the vibration sensitive equipment and exhibits a stable behavior under long terms of service loadings and earthquakes.
- Subjects
EFFECT of earthquakes on buildings; EARTHQUAKES; DYNAMICS; DENSITY of the earth; HIGH technology industries; ECONOMIC development; PARAMETRIC vibration; OFFICE buildings; STRESS concentration
- Publication
Earthquake Engineering & Engineering Vibration, 2010, Vol 9, Issue 1, p103
- ISSN
1671-3664
- Publication type
Article
- DOI
10.1007/s11803-010-9009-4