| 摘要 |
PROBLEM TO BE SOLVED: To prevent a joist from being damaged when it is mounted on the side edge of joist support constructed of channel steel. SOLUTION: The upper end of a bolt 17 is attached to a joist hanger 12 attached to a beam, and a joist receiver 14 of a U-shaped cross section is attached to the lower end of the bolt 17. Joist support 20 is attached to the lower side edge 14c of the joist receiver 14. The joist support 20 supports a joist 16 constructed of a hollow pipe of a rectangular cross section, in such a way that an engaging part 21 formed by curving a steel plate into two is engaged with the lower side edge 14c of the joist receiver 14, with each side of the joist 16 locked to a side face part 22 curved downward from each side edge of the engaging part 21. |
