| 摘要 |
PROBLEM TO BE SOLVED: To provide an efficient packing method capable of reducing transport cost by reducing the bulk height of synthetic resin-made short fibers for reinforcing concrete, and a packing device of a relatively simple structure to be used therefor.SOLUTION: In a method for aligning and packing synthetic resin-made short fibers for reinforcing concrete, at least the following steps (1)-(4) are successively performed: a step (1) of forming synthetic resin-made short fibers by cutting synthetic resin-made fibers after the fibers are wetted with water or aqueous solution of concrete admixture; a step (2) of controlling the wet condition of the synthetic resin-made short fibers to be 0.01 mass%-1.0 mass% in terms of water content; a step (3) of colliding the synthetic resin-made short fibers against a collision part at a speed of 3.0 m/second-10 m/second for fibrillation; and a step (4) of throwing in the synthetic resin-made short fibers from an upper part of an alignment chute to align and deposit the synthetic resin-made short fibers, and drawing out the alignment chute during or after the deposition, and packing the short fibers. |
