| 摘要 |
PROBLEM TO BE SOLVED: To provide a working method for pile head portions to be diagonally assembled safely, reliably, quickly at a low cost without scaffolding and timbering. SOLUTION: This method comprises a process of uniting the pile head portions of at least two diagonal piles 1 into one diagonally assembled pile, a process of temporarily placing almost horizontally a half precuts slab 5 having a form of a working floor slab portion 5a inside a ring-shaped body surrounding the pile head portion of a diagonally assembled piles to a height position surrounding the pile head portion of the diagonally assembled pile, a process of jointing a pile head portion of a diagonally assembled pile 10 to the half precast slab 5 with a main jointing member such as angles or the like, and a process of removing a suspension jig 6 from a half precast slab and providing a bottom formwork to the opening at the lower end of the half precast slab 5. And the process of bar arrangement work is performed for the pile head portions of the diagonally assembled pile 10 and for the inside of the half precast slab 5, and concrete is placed inside the half precast slab 5, and then a process of making the pile head portion of the diagonally assembled pile 10 and the half precast slab 5 in one united body is added.
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