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Proposition of a simplified analytical design procedure for lattice girder slabs with shuttering in cold-formed steel lipped channel section


Medium: journal article
Language(s): English
Published in: Revista IBRACON de Estruturas e Materiais, , n. 5, v. 13
DOI: 10.1590/s1983-41952020000500004

This paper presents an analytical procedure to determine the resistance of a new composite ribbed lattice slab system, composed by a lipped channel cold-formed steel (CFS) profile in minor bending fastened to a lattice girder by plastic connectors, as well as light filling elements and additional rebar. Motivated by the lack of standardized procedures for such system, this paper combines slab design prescriptions to create a computational tool that estimates load capacity and required propping during construction, serving as a basis for a design catalogue. Finally, a strong limitation of unpropped construction due to the low performance of the cold-formed profile under minor axis bending was observed, being the system able to reach spans up to 1.5 m between props in general.


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