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Ingeniería sísmica
versión impresa ISSN 0185-092X
Resumen
FERNANDEZ-SOLA, Luciano Roberto; HERNANDEZ-RODRIGUEZ, Luis Fernando; LOEZA-PEREZ, Carlos Ezequiel y GONZALEZ-CUEVAS, Oscar Manuel. Design actions over foundations of reinforced concrete buildings with inelastic behavior. Ing. sísm [online]. 2020, n.spe104, pp.32-50. Epub 10-Mar-2021. ISSN 0185-092X. https://doi.org/10.18867/ris.104.539.
The capacity of the structures to develop inelastic behavior is a fundamental property. Ensure the stability of the structure along all its inelastic behavior it’s the most important issue on earthquake structural design, in order to provide the necessary inelastic capacity. The foundation must be able to transmit the forces produced on the superstructure up to the systems maximum inelastic displacement. In this paper, an analysis of the maximum forces produced by the superstructure over the foundation while developing all its inelastic capacity is presented. Push over analysis is used as reference method and only reinforced concrete frames are studied. Alternative simplified procedures are proposed to avoid the necessity of non-linear analysis. It is shown that maximum forces introduced to foundation by the superstructure are associated with the structures overstrength ratio.
Palabras llave : capacity design; foundation design; inelastic behavior.