| 摘要 |
PROBLEM TO BE SOLVED: To provide a pile spacer capable of fitting it on a hollow pile inner surface regardless of irregularities of the hollow pile inner surface and size of a diameter and easily and certainly carrying out inserting work at a working site and removal work after hardening of concrete. SOLUTION: A drawing support plate 3 to be tracted at the time od drawing is installed in the longitudinal direction of a synthetic resin foaming body made plate main body 2 to be inserted into a hollow pile by being rounded in the lateral direction. In the meantime, a pair of overlapping parts 21a, 21b free to be overlapped in the same thickness as a central part of the main body 2 at the time when the main body 2 is rounded in the lateral direction is provided on both side parts of the main body 2.
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