Abstract

BOJORQUEZ MORA, Edén. Diseño sísmico de estructuras de acero basado en confiabilidad estructural y conceptos de energía. Ing. sísm [online]. 2009, n.81, pp.53-79. ISSN 0185-092X.

A procedure for the seismic design of steel buildings that takes into account structural reliability is proposed. The reliability based procedure takes into account explicitly the maximum and cumulative plastic deformation demands induced by long duration ground motions in earthquake resistant structures. The methodology is based in providing to the structures the capability to control the maximum demands of global ductility, interstory drift and dissipated hysteretic energy, through the use of: a) ductility and normalized hysteretic energy spectra with uniform annual failure rates; and b) transformation factors that take into account the differences between the response of single and multi degree of freedom systems. Finally, the use of the procedure, which is applicable to regular steel frames that are designed according to the concepts of capacity design, is illustrated through its application to the seismic design of an eight story three bay structural steel frame.

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