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Análisis de peligro sísmico para la Zona Metropolitana de Guadalajara

Authors: BUENROSTRO OROZCO, ANGELICA MONSERRAT; 688621; Buenrostro Orozco, Angelica Monserrat;

Análisis de peligro sísmico para la Zona Metropolitana de Guadalajara

Abstract

En esta investigación se lleva a cabo un análisis de peligro sísmico de la Zona Metropolitana de Guadalajara (ZMG), localizada en la parte central del estado de Jalisco en el occidente del país, la cual está compuesta por 6 municipios, Guadalajara, Zapopan, San Pedro Tlaquepaque, Tonalá, Tlajomulco de Zúñiga y El Salto. El estudio fue basado en un enfoque probabilista y se define con Espectros de Peligro Uniforme (EPU), para obtenerlos es necesario caracterizar fuentes sísmicas, y elegir modelos de atenuación para estas fuentes. En este trabajo se utilizan seis fuentes tipo falla de la zona de subducción de México y once fuentes tipo área o región de las cuales diez son para sismos someros y una para sismos profundos y por último se definen tres leyes de atenuación para las fallas elegidas. De esta forma se obtuvieron EPUs en terreno firme en cada punto de una malla con intersecciones a cada 10 km, en donde cada intersección es un punto. Para este trabajo se estudian 18 perfiles de suelo de velocidad de onda de corte, ubicados en el poniente de la Zona Metropolitana de Guadalajara, donde se obtienen EPUs en terreno firme para cada uno de los 18 puntos, mediante el Método de Ponderación de Distancia Inversa (IDW). Con los perfiles de suelo y un acelerograma escalado linealmente se obtuvieron funciones de transferencia y junto con los EPU interpolados, para los 18 puntos del poniente de la ZMG, se obtuvieron Espectros de Peligro Uniforme en la superficie o Espectros de Sitio elásticos. Estos espectros se compararon con los reglamentos de construcción vigentes de los municipios de Guadalajara y Zapopan; y con otras normatividades utilizadas en la zona de estudio.

In this investigation, a seismic hazard analysis of the Metropolitan Area of Guadalajara (ZMG) is performed. The ZMG is located in the central part of the state of Jalisco in the west of the country, which is composed of 6 towns, Guadalajara, Zapopan, San Pedro Tlaquepaque, Tonalá, Tlajomulco de Zúñiga and El Salto. The study was based on a probabilistic approach and is defined as Uniform Hazard Spectra (UHS), to obtain them it is necessary to characterize seismic sources, and choose attenuation models for these sources. In this work, six faults sources from the subduction zone of Mexico are used, and eleven area or region sources, of wich ten are for shallow earthquakes and one for deep earthquakes and finally three attenuation models are defined for the faults chosen. In this way EPUs were obtained on firm ground at each point of a mesh with intersections every 10 km, where each intersection is a point For this work, 18 ground wave velocity profiles are studied, this profiles are located in the west of the Metropolitan Area of Guadalajara, where EPUs are obtained on firm ground for each of the 18 points, using the Inverse Distance Weighting Method (IDW). With the soil profiles and a linearly scaled accelerogram, transfer functions were obtained and, together with the interpolated EPUs, for the 18 points of the ZMG, surface Uniform Hazard Spectra or elastic Site Spectra were obtained. These spectra were compared to current building codes of Guadalajara and Zapopan; and with other regulations used in the study area.

Consejo Nacional de Ciencia y Tecnología (México).

172 páginas. Maestría en Ingeniería Estructural.

Country
Mexico
Keywords

CIENCIAS FÍSICO MATEMÁTICAS Y CIENCIAS DE LA TIERRA::CIENCIAS DE LA TIERRA Y DEL ESPACIO::GEOFÍSICA::SISMOLOGÍA Y PROSPECCIÓN SÍSMICA

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green