A STUDY ON THE DESIGN OF THE INLET SECTION OF A DRIFTWOOD CAPTURE FACILITY INSTALLED IN A RIVER BEND

Abstract

 In recent years, river disasters caused by unusually heavy rainfall have occurred frequently in many areas, and the damage has been increased by driftwood discharged by mountain collapses. Most driftwood control measures are implemented as gully control. With the increase in the external force of heavy rainfall in the future, it is important for disaster prevention to efficiently remove driftwood in alluvial fan river channels as well. However, no clear driftwood control design standards or guidelines have been established for river areas. Therefore, in order to efficiently design the shape of the inflow section of driftwood trapping facilities installed in river bends, a driftwood tracking model was applied to curved channels with different curvatures, and the effectiveness of the driftwood trapping function was investigated.