| 摘要 |
PURPOSE:To make easier the protection work of slope by a method in which cement mortar is placed into a formwork pipe made up by setting an upper formwork on a lower formwork partly buried in cement mortar, etc., sprayed on a slope, and then the upper formwork is removed. CONSTITUTION:In a formwork pipe 1 consisting of upper and lower formworks 11 and 14, L-shaped couplers 13 are formed throughout the whole length of the lower ends of side plates 12 facing the formwork 11. The width of the formwork 14 of the same length as the formwork 11 is matched with the interval between the plates 12 and coupling pieces 15 are vertically erected in mutually facing manner throughout the whole length in the longitudinal direction of the formwork 14. The pieces 15 are projected from concrete 5 sprayed with a given width on a slope A, part of the formwork 14 is buried, iron bars 2 are set, and the couplers 13 are fitted into the pieces 15 to set the formwork 11. Then, cement mortar 4 is placed into the pipe 1 and hardened, the formwork 11 is removed, and concrete structure C is constructed. In the next place, the structure C is likewise constructed. |
