| 摘要 |
PROBLEM TO BE SOLVED: To provide a pile construction method capable of easily constructing a pile, while preventing collapse of a hole wall when constructing the pile, under a low sky head.SOLUTION: A pile construction method for constructing a pile in the ground, includes forming a solid ground improvement body composed of at least one ground improvement body, forming a drilling hole by drilling the inside of the solid ground improvement body and constructing the pile in the drilling hole. The formation of the solid ground improvement body comprises the facts of forming a boring hole GH of drawing in the ground vertical direction with every ground improvement body establishment expected area, of inserting a rod 12 having a tip rod 121, a nozzle 122 and an extension rod 123 into the boring hole GH and of forming the ground improvement body being a larger diameter than the boring hole GH and higher in strength than the ground, by pulling up the rod 12 while injecting liquid of including a solidification material and water toward the outside in the radial direction from the nozzle 122.SELECTED DRAWING: Figure 1 |
