| 摘要 |
PROBLEM TO BE SOLVED: To manufacture and provide a concrete foundation pile fit for a depth at a construction site that differs from a depth of an excavated bearing layer confirmed beforehand, when installing a precast concrete pile in the bearing layer of a ground of a projection surface of a building to be constructed.SOLUTION: When a depth of the bearing layer of the ground of the projection surface of the building to be constructed differs from a depth confirmed beforehand, a unit pile for length adjustment is selected and connected to a lower part of a precast concrete pile manufactured according to the depth confirmed beforehand or a precast concrete pile prepared beforehand, for forming a foundation pile that serves as a foundation of a necessary structure, and the concrete foundation pile is constructed.SELECTED DRAWING: Figure 2 |
