| 摘要 |
PROBLEM TO BE SOLVED: To provide a connection structure between a wall part and a floor part, so that a load of the wall part constituting a box-type deck acts on a main sill constituting a floor part of the deck. SOLUTION: In the box-type deck having a floor part, a front wall part and a rear wall part connecting to rear and front of the floor part, an engagement structure is a connection structure between horizontal bone structure member constituting a lower edge of the wall part and the floor part. The floor part comprises plural floor members connected to the main sill vertically, and the bone structure member is integrally combined with the floor member at edge part. At this point, a perpendicular line passing through a center of gravity of the floor part, passes through the floor member of edge part.
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