| 摘要 |
PROBLEM TO BE SOLVED: To provide a reinforcing method of an existing pile arranged in an outer peripheral part and a central part of a just under an existing building. SOLUTION: A new pile 4 is pressed in the foundation ground 3 in the vicinity of the existing pile 2. After constructing a new footing 5 integrated with an exiting footing 2a in a just above position of the new pile 4, a predetermined preload is applied to the pile 4 by inserting a jack 6 between the new pile 4 and the new footing 5, and is grouted in a pile head part 4a in a state of applying the preload, and is integrated with the new footing 5. COPYRIGHT: (C)2008,JPO&INPIT
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