| 摘要 |
A construction element such as a wall, a partition, a skylight, etc., comprises rigid panels, the essential part of which consists of an assembly of transparent plates having one flat major surface and a second major surface provided with a relief. This relief is made up of inclined facets bounded by ridges which are parallel to each other, parallel to the flat surface, and disposed horizontally. The relief surfaces of pairs of plates fit into one another. The ridges of one panel element are offset downwardly relative to the homologous ridges of the other panel element. The arrangement, dimensions, and angles of the facets, as well as the thicknesses of the plates, are calculated and carried out in such a way that incident radiation, e.g., solar radiation, passes through the panel or is returned toward the front major surface according to the angle of incidence.
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