| 摘要 |
The present invention makes it possible to dismantle and re-use a floor structure by effectively exhibiting the displacement preventing effect for each steel beam against an active load when the floor structure is formed by arranging steel beams in parallel. A floor structure comprises a plurality of steel beams 4 arranged in parallel, each steel beam 4 including a web, an upper flange disposed at an upper end of the web, and a lower flange disposed at a lower end of the web, a floor surface being formed on the upper flange 2 . The floor structure further includes a displacement preventing spacer interposed between the upper flanges and/or lower flanges of the adjacent steel beams. The displacement preventing spacer includes a load receiving part which is brought into engagement with the adjacent upper flanges and/or lower flanges to receive an active load incurred by the individual steel beams 4 so as to inhibit the steel beams 4 from displacing downward.
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