Abstract
The stability effect of suction dynamics on equilibrium profile of sandy beach under high wave condition is examined through a series of experiments. The major experiments are designed as the model beach is loaded by the annual mean storm wave. The vane shear strength, sand compaction, saturation of the sediment are measured in those experiments. As a result, Improvement of the vane shear strength and compaction in vicinity of upper layer of beach face are induced by the behavior of suction within bed changing. The experiments under huge violent wave condition are also conducted in order to verify the applicability of suction dynamics on high-erosional condition.
