ICCE 2022

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ARMOURSTONE PARAMETERIC DESIGN AND PATTERN PLACEMENT. (2023). Coastal Engineering Proceedings, 37, structures.97.


Rock armouring is an efficient and economical method of stabilising coastal structures. The hydraulic stability under wave actions of graded rock armour in two or more layers has been the subject of model studies, field analysis, and design formulas that can estimate the quantity of damage on the armour for given wave action. Engineering principles1 typically consider random placement, distributed armour graded, permeability constraints, and controlled stone interlocking. These four conflicting parameters interact in various ways. Design formula and practical experience in the laboratory and the field show that random amourstones are not entirely stable: some proportions of rocks are likely to be displaced over time.


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Copyright (c) 2023 Colleter Gildas, Esther Colleter