| 摘要 |
<p>A support member (10) for use in placing concrete on a corrugated metal decking floor and for supporting screed rails or the like at an adjustable height to control the level and thickness of the concrete laid on the decking consists of a support plate (14), extending transversely across one of the longitudinally extending corrugations of the decking, having ends (16) shaped to engage in wedging contact with the sides of the corrugation when the support plate (14) is rotated about an axis perpendicular to the plane of the support plate (14).</p> |
