Abstract

BOJORQUEZ MORA, Juan  and  RUIZ GOMEZ, Sonia E.. Optimal load factors for seismic design of buildings. Ing. sísm [online]. 2018, n.98, pp.25-44. ISSN 0185-092X.  https://doi.org/10.18867/ris.98.505.

The load factors and load combinations established in the Mexico City Building Code (MCBC) and its Complementary Technical Standards are revised. New load and resistance factors are proposed to be specified in the next version of the MCBC. The combination of gravitational loads are considered (dead load plus live load) and the combination of earthquake load is also reviewed. A reliability-based development of load factors for the combination of seismic and gravity loads is presented. The procedure aims at minimizing the total expected life-cycle cost of buildings having a minimum value of probability of failure equal to the implicit probability in the MCBC. The structural reliability is estimated using Artificial Neural Networks.

Keywords : load combination; failure probability; total expected cost; seismic design; Artificial Neural Networks.

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