RIVERBED STRUCTURE AND RIVERBED PROTECTING METHOD

摘要

PROBLEM TO BE SOLVED: To recover and preserve the natural ecological system by effectively preventing a partial scour in a riverbed to relax the flow speed and improve the sight.;SOLUTION: A flow relaxing mat 30 provided with several cones 32 projected from a surface thereof and one or two kinds of gabions 42 filled with stones 42 are provided in the upstream and the downstream of a hard riverbed protecting structure 10.;COPYRIGHT: (C)2002,JPO