Experimental Investigation Of The Seismic
Reponse Of Rubble-mound Breakwaters
Author(s)
C.D. Memos
Abstract
Rubble-mound breakwaters are subject not only to wave action but, also, to other
types of environmental loading, such as earthquakes. High seismic activity
combined with soft foundation soil can lead to large settlements and even to
failures of these structures. This paper reports on the experimental investigation
undertaken to study the behaviour of rubble-mound breakwaters under seismic
loading. Two models were built: the first one was designed to sit on a rigid bed,
and the second on a yielding base of loose sand. Input earthquakes were of
horizontal acceleration with increasing magnitude at consecutive tests.
Measurements of hydrodynamic pressures and accelerations were taken. It was
found that in general rubble-mound breakwaters resting on rigid bed are quite
seismic resistant structur
Keywords
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