| 摘要 |
PURPOSE:To improve finishing of a concrete mat, by a method wherein a lower end of a bag extends to a horizontal part of a slope shoulder to secure it thereto, the upper end is fastened through a spacer, and concrete is placed from the lower part side of the bag. CONSTITUTION:A bag 2 is placed on a slope surface, a retainer part 4' is fastened to a horizontal part 1 by nails 8, spacers 10 are positioned at intervals at the opening of the bag, the upper end of the bag 2 is nipped by press members 11, and the nail 8 are driven to secure it thereto. The folded upper end of the bag 2 is secured to the press members 11 by the nails 8, a pressure feed pipe 15 is inserted into the bag 2, and concrete 17 is uniformly placed through the lower end of the bag 2 to cause the bag 2 to retain its shape. |
