| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure for fixing a steel column base portion, which can maintain the firm fixing of an anchor bolt through-hole and an anchor bolt.SOLUTION: This structure 1 for fixing the steel column base portion includes: the anchor bolt 10 which is fixed to foundation concrete 90; a base plate 20 in which the anchor bolt through-hole 21 for being penetrated by the anchor bolt 10 is formed; a steel column 30 which has a lower end 30a fixed to a rising portion 22 of the base plate 20; upper and lower nuts 40b and 40a which are screwed to the anchor bolt 10 in the state of passing through the anchor bolt through-hole 21, so as to hold the base plate 20 in a sandwiching manner; and a grout material 70 which is injected into a grouting space 60 formed of an inner periphery of the anchor bolt through-hole 21, a part of an outer periphery 11 (male screw portion 12) of the anchor bolt 10, and the upper and lower nuts 40b and 40a. |
