| 英文摘要 |
The objective of this study is to develop the floor response spectrum for seismic design of floor-supported equipment or components for hi-tech industry. Firstly, for the target site located at Hsin-Chu Science Park, the maximum potential magnitude and the associated hypocentral distance will be determined by the de-aggregation method. Based on the magnitude and hypocentral distance, the associated spectral response accelerations at short period(0.3 sec.) and at 1 second can be predicted by the attenuation laws of spectral acceleration demands, and then used to develop the uniform hazard response spectrum. Furthermore, combined with the modeling of phase spectrum, the ground acceleration corresponding to the maximum potential earthquake can be simulated. In addition, based on the simulated input ground motion, the dynamic response at each floor(including the cleanroom) of the selected structure of one typical hi-tech lab can be carried out through the time-history analysis. Finally, based on the determined time-histories of the response at each floor, the associated floor design response spectra which are consistent with the maximum potential earthquake for the Hsin-Chu Science Park can be developed following the Regulatory Guide 1.122 developed by US Nuclear Regulatory Commission. |
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