| 摘要 |
PROBLEM TO BE SOLVED: To provide a crushed stone packing bag for use in laying railroad ballast or the like, and a crushed stone storage body using the crushed stone packing bag excelling in impact resistance related to rupture resistance and in shape stability related to deformation resistance of the crushed stone packing bag and attaining the improvement of practically sufficient ultraviolet resistance. SOLUTION: High strength fiber is used as at least a part of fiber forming a net material 2 of the crushed stone packing bag 1, and a Raschel net is used for the net material 2. The mesh of the Raschel net is formed in rhombic mesh shape, and crushed stones 3 are packed in the crushed stone packing bag 1 to form the crushed stone storage body 1'. COPYRIGHT: (C)2011,JPO&INPIT |
