| 摘要 |
PROBLEM TO BE SOLVED: To provide a column support block capable of easily and quickly erecting and removing a column for supporting a protective wall, a guard fence and a protective net arranged along an installation surface.SOLUTION: A column support block is arranged on an installation surface for supporting a column for supporting a protective wall, a guard fence and a protective net with one end as the upper end and the other end as the lower end. The column support block comprises: a bottom plate part having an upper surface for abutting on the other end of the column by allowing an under surface to abut on the installation surface; and a vertical plate part having column support means formed in a wall shape having a front face and a rear face standing upward from the bottom plate part so as to continue along the upper surface of the bottom plate part and detachably supporting at least at one point on the longitudinal direction between the other end and the one end of the column existing on the rear face side or column support means installation means capable of installing the column support means. |
