Método de la deformación unitaria para diseño de vigas rectangulares doblemente reforzadas

Luis Rafael Prieto-Serrano

doi:10.19053/01211129.4024

Vol. 24 No. 40 (2015)

Papers

Strain method for doubly reinforced rectangular beams design

https://doi.org/10.19053/01211129.4024

Published 2015-09-10

Luis Rafael Prieto-Serrano

Luis Rafael Prieto-Serrano
Universidad Pedagógica y Tecnológica de Colombia

How to Cite

Prieto-Serrano, L. R. (2015). Strain method for doubly reinforced rectangular beams design. Revista Facultad De Ingeniería, 24(40), 31–40. https://doi.org/10.19053/01211129.4024

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Abstract

The compressed steel in a doubly reinforced beam improves ductility, reduces immediate and long-term deflections, it is available to support the tension in sections under reversal stress, and in low-height beams, it increases strength. With the expected strain as a measure of the section ductility, the paper proposes a direct methodology to determine the necessary compression quantities and tension reinforcement. It finds that the most efficient sections are those for which the tension reinforcing strain is 0.005.

Keywords

beams design, doubly reinforced beam, ductility, strain, structural concrete

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References

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Asociación Colombiana de Ingeniería Sísmica, “Título C – Concreto estructural”. En Normas Colombianas de Diseño y Construcción Sismo Resistente - NSR-98, Bogotá, Colombia, Asociación Colombiana de Ingeniería Sísmica,1998, pp. C1-C588.
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