Stresses in Tetrapod Armour Units Induced by Wave Action

Angremond, K. D'; Meer, Jentsje W. van der; Nes, C.P. Van

doi:10.1061/9780784400890.124

Coastal Engineering 1994 1995

DOI: 10.1061/9780784400890.124

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Stresses in Tetrapod Armour Units Induced by Wave Action

K. D' Angremond

Jentsje W. van der Meer²,

C.P. Van Nes

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2023

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“…The latter affects the placement process and thus, the cost of the entire project (CIRIA [1]). This is one of reasons that authors such as Bhageloe [19], d'Angremond et al [20], Van Gent et al [21][22][23], Van Buchem [24], Van Gent and Luis [17], Van der Lem et al [25], Van Gent and van der Werf [26], and Vieira et al [27][28][29] proposed that single-layer-placed cubes could be an economically interesting alternative solution for the construction of the armor layer.…”

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confidence: 99%

Hydraulic Response and Overtopping Performance of Single-Layer Double Cube Unit Armored Mound Breakwater

Safari

Mouazé

Aliasgary

et al. 2023

JMSE

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A newly developed friction-interlocking armor unit called the ‘Double cube’ (DC) was designed to improve the performance of a concrete armor unit used in river/marine structures against currents/waves actions. The DC unit is an octagonal-shaped block made up of two parts: an upper cube set on a lower base that is either square or octagonal in shape. The innovative design aims to provide good performance in terms of stability, to allow for high tolerance placement with various contact points, and to allow for ease of placement. The DC’s shape and placement enhance the unit’s stability by bringing the center of gravity closer to the underlayer and by providing a large contact surface with the surrounding blocks that reduces the chance of extraction and limits movements (rocking, lifting) via the “keystone” effect. The characteristics of this new unit provide a relatively high hydraulic stability number for the armor layer (NS = 2.9), a favorable hydraulic performance due to energy dissipation from turbulence and aeration, as well as a high roughness coefficient (γf ≈ 0.46), helping to reduce overtopping.

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mentioning

confidence: 99%

Hydraulic Response and Overtopping Performance of Single-Layer Double Cube Unit Armored Mound Breakwater

Safari

Mouazé

Aliasgary

et al. 2023

JMSE

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Stresses in Tetrapod Armour Units Induced by Wave Action

Cited by 1 publication

References 2 publications

Hydraulic Response and Overtopping Performance of Single-Layer Double Cube Unit Armored Mound Breakwater

Hydraulic Response and Overtopping Performance of Single-Layer Double Cube Unit Armored Mound Breakwater

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