| 摘要 |
PROBLEM TO BE SOLVED: To provide a joint structure capable of providing a high strength and providing an occupant with an enjoyable quality feeling of wood without using a joint hardware such as a strap bolt at a connection part and without the necessity of supporting the connection part by a stand column when wooden horizontal members such as beams and girths are connected to each other in a wooden building. SOLUTION: A tenon 2 is formed at the end part of a beam 13 wider in horizontal direction, and a mortise 5 fitted to the tenon is provided in a mating horizontal material such as the girth 1. After the tenon is inserted into the mortise, a cotter 15 is vertically passed therethrough from the upper end of the mortise 5 side horizontal material such as the girth 1, and a lateral large cotter 21 is horizontally passed through the tenon 2 side horizontal material from the girth 1 side to firmly connect both thereof integrally with each other.
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