| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure for connecting a lightweight and high-strength panel capable of being used as a roof substrate material for a building and a structure requiring fireproof performance and fire resistance efficiency.SOLUTION: In a structure in which panels A made by sandwiching a core material 3 between front-side and back-side materials 1 and 2 are connected together by being male-and-female-fitted together, the front-side and back-side materials 1 and 2 of the adjacent panels A are connected together by a connector γ; a punch trace 11a is formed in a position to drive the connector γ; and the connector γ connecting the front-side and back-side materials 1 and 2 of the adjacent panels A do not penetrate the two adjacent panels A. |
