透水性ブロックによる海浜安定化工法に関する実験的研究

抄録

A beach erosion has been a serious problem. As countermeasures against a beach erosion, a sand fill method and permeable layer works have been recently considered, instead of revetments, detached breakwaters, and artificial reefs. In this research, movable bed experiments with regular and irregular incident waves were carried out to study beach stability effects by porous concrete blocks as a permeable layer. Erosion reduction effects were seen in the vicinity of the shoreline when water permeability block was used, and sand depositions were seen on the fore shore.