| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of constructing a wall body in which pre-stress in a circumferential direction can be efficiently introduced, and a wall body is fixed when the wall body is completed.SOLUTION: Concrete 80 of a dike 2 is cast while pipes 64a, 64b, sheath tubes 63, 64c, etc., are fitted therein with a perpendicular PC steel material 17a and a perpendicular reinforcing bar 19a extending from a bottom slab 5. A dike bottom part is installed movably while the pipe 64b buried in the concrete 80 is supported by the pipe 64a buried in the bottom slab 5. A rubber plate 66 is arranged between the pipes 64a, 64b. When pre-stress is introduced in a circumferential direction of the dike 2, the whole dike including the bottom part moves inward. Then cement mortar 71 is charged between the dike bottom part and the bottom slab 5 below it and so on. After the cement mortar 71 is hardened, the PC steel material 17a is tensed to introduce perpendicular prestress into the dike 2, and cement milk 73 is charged in the pipes 64a, 64b, rubber plate 66, etc.SELECTED DRAWING: Figure 4 |
