SLIT TYPE CHECK DAM

摘要

PROBLEM TO BE SOLVED: To provide a slit type check dam undergoing improvement so as to have a composition facilitating work for recycling a slit by eliminating huge stones and driftwood captured by adjacent wall members. SOLUTION: The wall member is constituted in such a manner as to be wider on an upstream side and narrower on a downstream side in a planar view, and formed in such a manner that an interval between the adjacent wall members is narrower on the upstream side and wider on the downstream.