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Título del libro: 12th Americas Conference On Wind Engineering 2013, Acwe 2013: Wind Effects On Structures, Communities, And Energy Generation
Título del capítulo: Comparison of floor acceleration during wind-seismic demands for tall buildings habitability in Mexico City

Autores UNAM:
HUGO HERNANDEZ BARRIOS;

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Autores externos:

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Idioma:

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Año de publicación:
2013

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Palabras clave:

Earthquake design; Floor accelerations; Multistory building; Service levels; Wind design; Acceleration; Aerodynamic loads; Earthquakes; Floors; Loads (forces); Seismic design; Tall buildings; Wind stress; Structural design

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Resumen:

Mexico City is located in a high seismic zone and for this reason most of the buildings have been designed against seismic effects without consideration of any wind loads. However, the vibration evaluation of buildings due to wind action is not necessarily consistent with the seismic loads, principally about service-level. In this paper the dynamic characteristics of the building are estimated by using a simplified model based on an equivalent continuum structure that consists of a combination of flexural and shear beam behavior. This simplified model is also used for the estimation of floor acceleration demands in multistory buildings when subjected to Mexican earthquake ground motion and to along and across wind accelerations calculated from numerical simulation. A comparison between the acceleration values due to seismic and wind actions, is finally presented. We conclude that for many buildings located in Mexico City, the floor seismic acceleration or serviceability limit design are less than those obtained for wind load demands and perception of building motion has to be considered.

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Entidades citadas de la UNAM:

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Fuente:


ISBN:
9781629930657
Editorial:

Tipo de producto:
Conference Paper