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| Design of concrete armour layers van der Meer, J.W. (2000). Design of concrete armour layers, in: Losada, I.J. Coastal Structures '99: proceedings of an International Conference, Santander, Spain, 7-10 June 1999. pp. [1-9]
In: Losada, I.J. (2000). Coastal Structures '99: proceedings of an International Conference, Santander, Spain, 7-10 June 1999. Balkema: [s.l.]. 2 vol. (1156 p.) pp., meer
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| Beschikbaar in | Auteur |
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| Documenttype: Congresbijdrage | |
| Trefwoorden |
Structures > Hydraulic structures > Coastal structures > Coast defences > Breakwaters |
| Auteur | Top | |
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| Abstract |
General stability formulae for cubes and tetrapods will be treated first. The influence of crest height on stability was investigated recently by changing the crest height of a breakwater with tetrapods. This influence can be described by an exponential function and can be added to the existing stability formula. Another influence on stability is the packing density. This influence has also been investigated for tetrapods, leading to an addition to the general formula. In fact, the additions for crest height and packing density can also be added (as a first guess) to the stability formula for cubes. One-layer systems are discussed, starting with a stability formula for the accropode. A comparison is made with the Core-loc. Recent interest has been focussed on armour layers with a single layer of cubes or tetrapods. The tests for tetrapods showed very low stability, but the tests on cubes were very promising. Finally, all the concrete units have been compared. |
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