OPEN CHANNEL FOR SOFT GROUND HAVING DRAINAGE ROOM

摘要

PURPOSE: An open channel for the ultra soft ground having a drainage space is provided to enhance efficiency on the open channel by preventing the drainage flow of surface water or pore water from becoming disturbed. CONSTITUTION: An open channel for the ultra soft ground having a drainage space comprises a mesh-type frame(11), a water-permeable filter(12), and a water-permeable member(30). The mesh-type frame is formed as a mesh(31). The mesh is fixed to the inner side of the open channel and forms a double drainage space(S).