PURPOSE: being provided in the sediment sedimentation underwater beam of preventing structure, so that wild animal or male be to the water pollution of free advance the upper end, and prevents since sediment deposits. ;CONSTITUTION: the underwater beam (1) that sediment settles in preventing structure includes partitioned organization (5), is intake path (7). The top of separation structure forms the underwater beam of stream periodically to prevent water position from underwater beam and sediment being maintained to deposit. Spacer structure includes structural support (5-1) structure, and top end part (5-2) connects the structure of (5-3) and underwater light beam between support portion. Bridge pier shape in korneforos is formed on structural support bottom surface. The structure includes on a upper end top end part, and people are moved to always underwater beam and segmenting structure easy to repair. Connection support part prevents the structure of partition and underwater beam from washing in structure and underwater beam. ;The 2010 of copyright KIPO submissions
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