| 摘要 |
A prestressed lightweight panel is disclosed having a face sheet under tension in the longitudinal direction and reinforcing members attached to the rear side of the face sheet for locking in that tension. The panel may be rectangular and may include side rails and end rails along the edges of the face sheet, a plurality of cross-ribs for bracing or reinforcing the face sheet and a plurality of coped reinforcing sections between the cross braces. Compression resistant members, such as a honeycomb filling extend in voids between certain of the reinforcing members and the face sheet to further reduce face sheet deflection under load. The panel has a number of applications, such as for concrete forms.
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