On the Seismic Design of Structures with Tilting Located within a Seismic Region
AffiliationUniv Arizona, Dept Civil Engn & Engn Mech
asymmetric yielding behavior
seismic risk analysis
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CitationOn the Seismic Design of Structures with Tilting Located within a Seismic Region 2017, 7 (11):1146 Applied Sciences
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AbstractA 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.
NoteOpen access journal.
VersionFinal published version
SponsorsUNAM [PAPIIT-IN103517]; Instituto para la Seguridad de las Construcciones en el Distrito Federal; Consejo Nacional de Ciencia y Tecnologia (CONACyT)