STABILITY OF RUBBLE MOUND STRUCTURES UNDER OBLIQUE WAVE ATTACK

Meysam Bali; Amir Etemad-Shahidi; Marcel R.A. van Gent

doi:10.9753/icce.v37.structures.4

No. 37 (2022), Coastal Structures

No. 37 (2022)

STABILITY OF RUBBLE MOUND STRUCTURES UNDER OBLIQUE WAVE ATTACK

Coastal Structures

Published 2023-09-01

Meysam Bali
Amir Etemad-Shahidi
Marcel R.A. van Gent

Meysam Bali

Amir Etemad-Shahidi

Marcel R.A. van Gent

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STABILITY OF RUBBLE MOUND STRUCTURES UNDER OBLIQUE WAVE ATTACK. (2023). Coastal Engineering Proceedings, 37, structures.4. https://doi.org/10.9753/icce.v37.structures.4

Abstract

Stability formulae for armour layers of rubble mound breakwaters are generally developed for perpendicular wave attack and do not include effects of oblique waves. Waves usually attack breakwater obliquely as the sea wave is three dimensional. Several studies have been performed to investigate the effect of wave angle (beta) on the armor stability. Galland (1994), Yu et al. (2002), Wolters and Van Gent (2010) and van Gent (2014) performed laboratory experiments to consider effects of oblique waves on the stability of armour layers. They performed tests with long-crested and/or short-crested waves on rock and concrete armours. The aim of this study is to find an appropriate and compatible reduction factor for EBV stability formulae.

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References

Etemad-Shahidi, A., Bali, M., Van Gent, M.R.A., 2020. On the stability of rubble mound structures. Coast. Eng. 158, 103655.

Galland, J.-C., 1994. Rubble mound breakwater stability under oblique waves: and experimental study. Proc. Coastal Engineering 1994, 1061–1074.

Hudson, R.Y., 1958. Design of Quarry Stone Cover Layer for Rubble Mound Breakwaters. Waterways Experiment Station,

Van Gent, M.R.A., Smale, A., Kuiper, C., 2003. Stability of rock slopes with shallow foreshores. Proc. Coastal Structures Conference 2003, Portland, USA.

Van Gent, M.R.A., 2014. Oblique wave attack on rubble mound breakwaters. Coast. Eng 88, 43–54.

Wolters, G., van Gent, M.R.A., 2010. Oblique wave attack on cube and rock armoured rubble mound breakwaters. Proc. ICCE 2010, Shanghai

Yu, Y.-X., Liu, S.-X., Zhu, C.-H., 2002. Stability of armour units on rubble mound breakwater under multi-directional waves. Coast. Eng. J. 44, 179–201.

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STABILITY OF RUBBLE MOUND STRUCTURES UNDER OBLIQUE WAVE ATTACK

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