| 摘要 |
PROBLEM TO BE SOLVED: To provide an erection method of a permanent sub-substructural column and its holding device capable of securing an erection accuracy by use of a simple and inexpensive method. SOLUTION: In an erection method of a permanent sub-substructural column, the head of a casing 2 protruded out of the ground surface is set in the center position and an erection staging 12 is installed. The permanent sub-substructural column 10 is precisely erected in a concrete pile 13 in a casing 2 by the erection staging 12, next, the column 10 is fixed to the casing 2 by a holding device 1 while securing the erection accuracy. After that, the erection staging 12 is removed and backfilling earth 14 is thrown into the casing 2. COPYRIGHT: (C)2003,JPO
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