| 摘要 |
Pliable, slim sheet-metal beams (1) are mounted in mutually parallel and mutually spaced relationship. The beams have parallel webs on support means and are cambered. Mould elements (24) are fitted between adjacent beams (1) at a distatnce beneath the upper edge of respective beams (1). A grid reinforcement (31, 32) is suspended on the upper edge portion of the beams (1). Adhesion/anchorage means (15, 16, 40, 41) are disposed along the upper edge of the beams (1), whereafter the concrete slab is cast on the mould elements (24) such as to embed the upper edge of the beams (1), the adhesion/anchorage means and the grid reinforcement. The camber is relaxed when the concrete has hardened. |
