SCOURING PREVENTING MATERIAL AND SCOURING PREVENTING METHOD FOR UNDERWATER STRUCTURE

摘要

PROBLEM TO BE SOLVED: To provide a scouring preventing material for underwater structure and a scouring preventing method using this preventing material. SOLUTION: This scouring preventing material is formed of a bag body formed of a knitted fabric in which the diameter M of the net yarn and the long edge N of the mesh satisfy the relation of 3<=N/M<=20, an endless suspending rope inserted to the meshes near the opening part of the bag body, and a closing rope for closing the opening of the bag body which is inserted to the meshes near the meshes having the suspending rope inserted through. This scouring preventing material is arranged in a place where a scouring is caused.