New Prediction Formula for Pore Pressure Distribution inside Rubble-Mound Breakwater Core
Publication: Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 146, Issue 3
Abstract
A new prediction formula is proposed to determine wave-induced pore pressure height distribution inside the core of rubble-mound breakwaters. Existing observed field and experimental data in the literature have been examined, and a valuable database has been obtained. Using dimensional analysis, a new wave damping parameter has been derived. In comparison with the existing empirical Biesel's formula, the proposed prediction formula directly takes into account the influence of the mean diameter of the core material, water depth, and important wave parameters such as incident wave height and wavelength, and there is no more necessity to assume appropriate values for the seepage coefficient and the material coefficient that are essentially needed for Biesel's formula. The new prediction formula presented here has its merits in providing an alternative form and insight into the physics of phenomena.
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Information & Authors
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Published In
Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 146 • Issue 3 • May 2020
Copyright
© 2020 American Society of Civil Engineers.
History
Received: Jun 14, 2018
Accepted: Aug 21, 2019
Published online: Mar 17, 2020
Published in print: May 1, 2020
Discussion open until: Aug 17, 2020
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