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The notional permeability of breakwaters: experimental research on the permeability factor P

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posted on 30.06.2013 by R. (Rémon) Kik
The coefficient in the Van der Meer formula, described as the Notional Permeability P, has been determined for three different types of structures. A homogeneous structure, a structure with a permeable core and an impermeable structure. In practice structures are being build who deviate from these standard situations. Therefore there is a demand for values of P about structures other than the known standard situations. In this thesis P values are found by means of physical scale model tests. First of all two reference structures were tested. The permeable and the impermeable structure with known values of P= 0.5 and respectively P=0.1. The values found in this study are almost equal to the values above. The new structure has an impermeable core covered with a thick filter layer. On top of that an under layer is placed and finally there is a double armour layer.



Maertens, J.; Stive, M.J.F.; TU Delft, Faculty of Civil Engineering and Geoscience, Department of Hydraulic Engineering; Uijttewaal, W.S.J. (Wim); Van den Bos, J.P.; Van der Meer, J.W.; Verhagen, H.J. (Henk Jan) [orcid:0000-0002-9505-0005]


TU Delft


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