Shake Table Test and Numerical Simulation on Seismic Responses of Raised Floor

Abstract eng:
This paper presents the seismic performance of raised floor system by shake table excitations. The tested raised floor system was assembled by 7x7 panels with pedestal-stringer frame structure, supporting a simulated equipment with varies weight and geometry shape, the size of the panel is 60x60 cm, the height of the pedestal is 45 cm. This raised floor system was the typical system that frequently used in Taiwan semi-conductor FAB. The input motions for the shake table tests were the waffle-slab floor acceleration responses of a typical semi-conductor FAB by input simulated ground motions. The dynamic characteristics include the acceleration amplification and dependence of input motions by raised floor system was studied and discussed. This study also employee the finite element package to carry out numerical simulation on seismic responses of raised floor systems and compared with the experimental data, and show that the proposed simulation model was very excellent.

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