| 摘要 |
PROBLEM TO BE SOLVED: To provide a rafter connection unit and a roof construction method with use of it, which can build a roof with high load-bearing capacity, simplify construction works at construction sites, improve on safety, shorten construction periods, and furthermore can employ a roof structure without a purlin.SOLUTION: A rafter connection unit U consists of rafter members 1, 1... and connection plates 2, 2... The aforesaid rafter member 1 comprises: truss chord members 11; bundle material arranged between each upper cord and each lower chord of the truss chord members 11; vertical bundle material arranged between each joint part of the left and right upper chords and each joint part of the left and right lower chords; truss web members 12 of diagonals arranged on each diagonal line in frames; reinforcement plywood 13, 13 which are pasted on both sides of each frame composed of the aforesaid truss chords 11 and the truss web members 12. The truss chord members 11 and web members 12 of the aforesaid rafter members 1, and the connection plates 2 are made of wooden plates of 91 mm thick or less.SELECTED DRAWING: Figure 3 |
