Abstract
Results from a field study of the flow-induced vibrations of a full-scale, long-span, shell-type gate undergoing simultaneous over- and underflow are presented.Data include experimentally determined mode shapes and frequencies for both horizontal and vertical bending modes, the maximum center-span vibration amplitudesin the horizontal and vertical direction as functions of underftow gate openings and overflow depths, and the trajectories of gate motion. Predictions of gate vibration, based on theories previously developed from model-scale data, were in good agreement with the experimentally observed behavior. Several subjects for future study are also presented in this study.
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