| 英文摘要 |
In resent major earthquake events in Taiwan, several damaged spring isolated equipment cases were observed and showed high vulnerability of spring isolators. Recognizing the particular significance of the spring isolators in affecting the earthquake resistant capacity of critical mechanical/electrical systems, such as emergency power supply, water supply and air conditioning system, the purpose of this research is to study the seismic behaviour of the spring isolators in comparison with the Isolation/Restraint system which is composed of spring isolators and snubbers. A diesel generator was used as test specimen to observe realistic seismic responses of spring isolated equipment. Shaking table tests were conducted to study elastic and inelastic behaviour of spring isolators. Testing results were preliminary analyzed to investigate damage states and dynamic characteristics of spring isolators, and the appropriateness of the dynamic amplification factor for spring isolated equipment was discussed as well. |
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