PORE PRESSURES IN RUBBLE MOUND BREAKWATERS

M.B. de Groot, H. Yamazaki, M.R.A. van Gent, Z. Kheyruri

Abstract


Economic breakwater design requires knowledge of the wave induced pore pressures in the rockfill in view of sliding stability, filter requirements, wave transmission, wave overtopping and internal set-up. A mathematical model for the prediction of these pressures and the associated pore water flow has been developed. The model gives an integrated description of both external flow and internal flow. The sensitivity of the output to several input parameters and the validation of the external flow to model tests is discussed.

Keywords


pore pressure; breakwater; rubble mound breakwater

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