Vol. 17, No. 2, pp. 95-103 (2021)
EQUIVALENT PROPERTIES FOR ANALYSIS AS BEAM-COLUMN OF STEEL
SPATIAL LATTICES OF RECTANGULAR CROSS-SECTION
Alberto M. Guzmán * and Victor A. Roldan
CeReDeTeC, Facultad Regional Mendoza, Universidad Tecnológica Nacional, Mendoza, Argentina
*(Corresponding author: E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.)
Received: 22 April 2020; Revised: 11 December 2020; Accepted: 12 December 2020
DOI:10.18057/IJASC.2021.17.2.1
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ABSTRACT
Space lattices are widely used in various metal structural systems to form elements such as columns, beams, trusses, among others. These lattices are also used, for example, within the telecommunications industry to constitute the mast that supports the transmission devices. The spatial lattices have a large number of elements (legs, diagonals and struts). For its representation the equivalent beam-column model is very convenient, due to its low cost and computational effort. In previous studies, the author´s analyze of spatial lattice of triangular cross-section, have obtained continuous representation models from an energetic approach, as well as the equivalent properties for the modeling of lattice as beam-columns. Also adopting an energy approach, the study of four spatial lattice patterns of rectangular cross-section (Pattern 1, 2, 3 and 4) is carried out, obtaining the elastic properties and equivalent inertias necessary for the representation of the problem as column-beam. For the purpose of validating the proposed method, several numerical examples of spatial lattice implementing the beam-column model were evaluated. The results reached allow us to establish an excellent performance of the equivalent properties obtained for each of the lattices patterns considered, with the advantage of the low computational cost involved in its implementation, modeling and processing.
KEYWORDS
Spatial lattices, Rectangular cross-section, Beam-column, Equivalent properties
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