Abstract
ABSTRACT The dynamic responses of the deepwater rigid-frame bridge are assessed by underwater shaking table tests and numerical simulations. The frequency domain dynamic responses are estimated to illustrate the effect of water depth and superstructures on the bridge subjected to earthquake loading along the transverse direction. Major findings are summarized as follows: (a) the water depth changes the modal frequencies and vibration pattern of the bridge; (b) the superstructures affect the modal frequencies and frequency response peaks of pier; and (c) a practical method is proposed for seismic design of deepwater rigid-frame bridge by considering the influence of the superstructures.
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