| 摘要 |
PROBLEM TO BE SOLVED: To prevent the breakdown of FRP in a front wall fitting part by integrally providing a reinforcing member of metal in the front wall fitting part of a floor panel of FRP at a front end thereof. SOLUTION: In a floor panel of FRP, a front wall of metal is fitted to a front end thereof, and the front wall has a wall plate part of metal such as iron group or aluminum group and a vertical beam 4 extended in the vertical direction. A vertical joint 5 of FRP is integrally formed, and a lower end of the vertical beam 4 is fastened to the front end by a bolt 6 and a nut 7, and desirably, a lateral joint 8 to be arranged when necessary so as to improve the rigidity is integrally formed. The vertical joint 5 is formed into the sandwich structure of a core material 9 and FRP skin plates 10 arranged in both sides and the front end of the core material 9, and a metal plate 11 is provided as a reinforcing material of metal inside thereof. The metal plate 11 is provided inside of each FRP skin plate 10, and integrally formed by inserting at the time of forming the vertical joint 5, namely, at the time of forming the FRP floor panel.
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