| 摘要 |
<p>The floor comprises a number of parallel floor joists (1) prefabricated in concrete. The space between adjoining joists are filled by plastic filler elements (5) provided with projections (11) extending below the joists. Each joist may have lateral projections (4) near its lower end on which the fillers rest. Each filler may be provided with lateral projections (8, 9) engaging the adjoining joists. Each projection (11) may extend across the full width of an adjoining joist and have its extreme end in engagement with the underside (10) of the next filler. The projection may leave a space (12) between itself and the joist below which it passes. (FL).</p> |
