Dynamic Response of Bridge Pier under Combined Earthquake and Wave–Current Action
Publication: Journal of Bridge Engineering
Volume 24, Issue 10
Abstract
A study of the dynamic response of a circular bridge pier forced simultaneously by earthquake and wave–current actions is presented. On the basis of diffraction wave theory, the analytic solution for the diffraction of incident waves with uniform current on a circular pier is given. On the basis of the radiation wave theory, the analytic solution for the hydrodynamic pressures on a circular pier induced by combined earthquake and wave–current action is obtained. Further, the solution for the dynamic responses of the pier under combined earthquake and wave–current action is obtained by treating the pier as a cantilever beam governed by beam theory. Last, the effects of hydrodynamic force, wave force, wave–current interaction, and surface wave condition on the dynamic responses of the pier are investigated. The results may be used for engineering practice and further research.
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Acknowledgments
This work is supported by the National Natural Science Foundation of China (51708010, 51678015, and 51878384). The support is gratefully acknowledged. The results and conclusions presented are of the authors and do not necessarily reflect the view of the sponsors.
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Published In
Journal of Bridge Engineering
Volume 24 • Issue 10 • October 2019
Copyright
© 2019 American Society of Civil Engineers.
History
Received: Jul 21, 2018
Accepted: Apr 19, 2019
Published online: Aug 6, 2019
Published in print: Oct 1, 2019
Discussion open until: Jan 6, 2020
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