| 摘要 |
<p>A floor slab, suitable for creating floors, or decks, in buildings, having a reinforced concrete panel with at least one raised rib on a surface of the panel, and where the rib or ribs do not extend to the edge of the panel. The invention also proved apparatus for manufacturing such panels, having sides, ends, and a profiled tray to define a mould for casting such a panel.</p> |
