| 摘要 |
A constructional assembly includes a first rigid member, such as a wood beam or surface; a metallic surface having a repetitive sequence of ridges and grooves, one side of the surface secured to one side of the rigid member, and a second rigid member secured to an opposite side of the metallic surface. The repetitive sequence of ridges and grooves may employ a variety of geometries or corrugations, inclusive of patterns which are sinusoidal, trapezoidal, saw tooth, square wave, and triangular. This assembly is exceedingly stable, light, economical, and may be readily provided with internal apertures providing pre-formed passageways thru which electrical wiring, plumbing, air ducts, data lines and the like may be readily passed during the construction of a building.
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