ESTIMATION OF SLIDING DISTANCE OF A CAISSON BREAKWATER COVERED WITH BLOCKS CONSIDERING COASTAL CLIMATE CHANGE

Abstract

 This study estimates a sliding distance of a caisson covered with blocks considering the effects of coastal climate change, such as changes in the sea level, storm surge, and wave height. The sliding distance increases in 100-350 % influenced by the change of those factors at the end of 21^st century, depending on the condition of breakwater, compared to that in the present climate condition. The climate change effects on a sliding distance and a necessity width depend on not only the assumed wave height but also the wave height to water depth ratio. The climate change effects become more significant especially for a breakwater installed in a deep water.