THE STABILITY OF RUBBLE MOUND BREAKWATERS AGAINST IRREGULAR WAVES

Torkild Carstens, Alf Torum, Anton Tratteberg

Abstract


Through extensive model tests with rubble mound breakwaters conducted in many laboratories in recent years design criteria and stability data have been collected. To our knowledge such data have been based on tests with regular waves only. It has been more or less accepted that the destructive effect of a train of regular waves corresponds to a confused sea with a significant wave height equal to the height of the regular waves. At the Rxver and Harbour Research Laboratory at the Technical University of Norway a new wave channel has been equipped with a programmed wave generator which can produce irregular waves wxth any wanted wave spectrum. This paper deals with model tests of the stability of rubble mound breakwaters against irregular waves as compared with regular waves.

Keywords


breakwater design; rubble mound breakwater; breakwater stability

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