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DYNA
Print version ISSN 0012-7353On-line version ISSN 2346-2183
Abstract
RIVERA-MENDOZA, José Benito et al. A general model for rectangular footings part II: modeling for design. Dyna rev.fac.nac.minas [online]. 2022, vol.89, n.223, pp.9-18. Epub Oct 27, 2022. ISSN 0012-7353. https://doi.org/10.15446/dyna.v89n223.100030.
This paper presents a general model for the design to obtain the thickness and reinforcing steel areas of rectangular footings that support from 1 to “n” columns aligned on a longitudinal axis. The pressure diagram is considered linear. Some recently published papers are restricted to certain types of footings as the rectangular isolated footings, and rectangular combined footings that support two columns. The first part of this paper shows the minimum soil area that supports 1 to “n” columns aligned on a longitudinal axis. Three numerical examples are presented for design of rectangular footings subjected to an axial load and two orthogonal moments in each column that supports one, two and three columns. The main advantage of this document over other documents is: this model can be applied for one or more columns supported on a rectangular footing (unrestricted on its sides, one side restricted and two opposite sides restricted).
Keywords : general model for rectangular footings; modeling for design; rectangular isolated footings; rectangular combined footings.