Analytical solution of hurricane wave forces acting on submerged bridge decks

Analytical solution of hurricane wave forces acting on submerged bridge decks Hurricane waves are catastrophic disasters that cause damage to coastal bridges with insufficient clearance. This study presents an analytical method to estimate the wave forces acting on a submerged bridge superstructure during a hurricane based on the potential flow approach. The boundary value problem of the submerged bridge deck under wave action is analyzed first, and the mathematical formula for the analytical solution is derived using the eigenfunction matching method. To validate the effectiveness of the analytical model, results are compared to test data from two hydrodynamic experiments on the wave action of bridge decks. Finally, the AASHTO model is discussed, and a simple method for estimating the maximum horizontal and vertical wave forces is proposed. The analysis results indicate that the proposed analytical model can be used effectively for prediction of the maximum wave forces acting on a submerged bridge superstructure during hurricane waves. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Ocean Engineering Elsevier

Analytical solution of hurricane wave forces acting on submerged bridge decks

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Publisher
Elsevier
Copyright
Copyright © 2015 Elsevier Ltd
ISSN
0029-8018
eISSN
1873-5258
D.O.I.
10.1016/j.oceaneng.2015.08.018
Publisher site
See Article on Publisher Site

Abstract

Hurricane waves are catastrophic disasters that cause damage to coastal bridges with insufficient clearance. This study presents an analytical method to estimate the wave forces acting on a submerged bridge superstructure during a hurricane based on the potential flow approach. The boundary value problem of the submerged bridge deck under wave action is analyzed first, and the mathematical formula for the analytical solution is derived using the eigenfunction matching method. To validate the effectiveness of the analytical model, results are compared to test data from two hydrodynamic experiments on the wave action of bridge decks. Finally, the AASHTO model is discussed, and a simple method for estimating the maximum horizontal and vertical wave forces is proposed. The analysis results indicate that the proposed analytical model can be used effectively for prediction of the maximum wave forces acting on a submerged bridge superstructure during hurricane waves.

Journal

Ocean EngineeringElsevier

Published: Nov 1, 2015

References

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