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Appl. Sci. 2017, 7(11), 1146; https://doi.org/10.3390/app7111146

On the Seismic Design of Structures with Tilting Located within a Seismic Region

1
Instituto de Ingeniería, Universidad Nacional Autónoma de México, Coyoacán, 04510 Ciudad de Mexico, Mexico
2
Facultad de Ingeniería, Universidad Autónoma de Sinaloa, Culiacán Rosales, 80013 Sinaloa, Mexico
3
Department of Civil Engineering and Engineering Mechanics, University of Arizona, Tucson, AZ 85721, USA
*
Author to whom correspondence should be addressed.
Received: 13 September 2017 / Revised: 27 October 2017 / Accepted: 30 October 2017 / Published: 7 November 2017
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Abstract

A reliability-based criterion to estimate strength amplification factors for buildings with asymmetric yielding located within a seismic region presenting different soil conditions is proposed and applied. The approach involves the calculation of the mean annual rate of exceedance of structural demands of systems with different levels of asymmetric yielding. Two simplified mathematical expressions are developed considering different soil conditions of the valley of Mexico. The mathematical expressions depend on the ductility of the structural systems, their level of asymmetric yielding, their fundamental vibration period and the dominant period of the soil. In addition, the proposed expressions are compared with that recommended by the current Mexico City Building Code (MCBC). Since the expressions are developed with the help of simplified structural systems, the validity of such expressions is corroborated by comparing the expected ductility demand of multi-degree of freedom (MDOF) structural systems with respect to that of their equivalent simplified systems. Both structural representations are associated with a given annual rate of exceedance value of an engineering demand parameter. The expressions proposed in this study will be incorporated in the new version of the MCBC. View Full-Text
Keywords: structural reliability; asymmetric yielding behavior; seismic risk analysis; seismic design; structural tilting structural reliability; asymmetric yielding behavior; seismic risk analysis; seismic design; structural tilting
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Valenzuela-Beltrán, F.; Ruiz, S.E.; Reyes-Salazar, A.; Gaxiola-Camacho, J.R. On the Seismic Design of Structures with Tilting Located within a Seismic Region. Appl. Sci. 2017, 7, 1146.

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