A COMPOUND BOARD OF SHEETING
A compound sheathing board is provided to install transverse ribs in plastic panels such that an entire plastic panel withstands earth pressure by increasing internal force strength and preventing deformity by distortion from being generated. A compound sheathing board is fixed between H-steel posts...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A compound sheathing board is provided to install transverse ribs in plastic panels such that an entire plastic panel withstands earth pressure by increasing internal force strength and preventing deformity by distortion from being generated. A compound sheathing board is fixed between H-steel posts in a multistep stacked state. A plurality of transverse ribs is formed inside plastic boxes(200a, 200b) so as to increase strength. Fixing bolt holes(200d) are formed in opposite ends of the plastic boxes in a longitudinal direction. The ends of the plastic boxes are provided with convexities(12) and concavities(13) in order to prevent relative slide when the plastic boxes are coupled to each other, and is applied with an adhesive, and are coupled to each other using fixing bolts(8b). A fireproof material(300) is attached to front surface of each plastic panel. |
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