| 摘要 |
PROBLEM TO BE SOLVED: To provide a footing pile construction method capable of restraining excessive design so as to realize economical and efficient design and construction and manifesting good supporting force. SOLUTION: By a jack device 40 mounted on a pile head 32 of a footing pile 31 driven or constructed in the ground 20, reaction force is received by the ground 20 or the structure 10 supported by the footing pile 31, and load equal to or heavier than that of the completed structure 10 is applied to the footing pile 31.
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