STUDY ON SAND RECYCLING SYSTEM USING A SAND EXTRACTION DEVICE - SAND RECYCLING SYSTEM OF TOTTORI METHOD -

Abstract

 In Tottori Prefecture, sand dredging is a challenge in sandy beaches in the vicinity of the quay or mooring basins with shallow water depth where larger-scale dredgers cannot operate. Therefore an alternative compact sand extraction system is required. In this study, new sand recycling system using a compact jet pump sand extraction device was developed so as to adapt to the dredging sand volume of approximately 1,000 m³ ~ 3,000m³ per year, such as small fishery ports in Tottori. The effects of the proposed system were examined by field test.