C-Sections and composite decks formed by cold-formed sheets ...
(10) US 2019/0145102 Al
(22) 28.02.2017
(43) 16.05.2019
(57) The present application relates to reinforced concrete columns classed in the category of reinforced concrete according to the NSR-10 and ACI-318 standards, in which the tubular channel is formed by sections with cold-roll sheets (CR) which form C-sections with a core and at least on skid which projects into the inner space of the column, coming into contact with the concrete. The skid comprises along its length a series of perforations through which concrete can pass, allowing a composite column to be formed once the concrete has...
