| 摘要 |
PROBLEM TO BE SOLVED: To provide a supporting structure of a column material capable of preventing such a problem that the supporting structure of the conventional column material forms a flange on the bottom of a metal-made strut, it is fixed to the flange through an anchor bolt planted in the ground and that its structure can not correspond to the column material of native wood and being easily and stable erected even if the column material is the native wood. SOLUTION: A sleeve member 2 having a square hole 2a opened in the upper part is buried in the ground, and a square column base 3a fitted to the square hole 2a of the sleeve member 2 is formed in the bottom of the column material 3, the column material 3 can be erected on the ground by inserting the square column base 3a into the square hole 2a of the sleeve member 2. COPYRIGHT: (C)2003,JPO
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