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A method for evaluating the seismic resilience of buildings taking into account permanent displacements
Jorge Ruiz-García, José M. Ramos Cruz
17th. World Conference on Earthquake Engineering. Sendai, Japan, 2020.
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This paper presents the basis to assess the seismic resilience of buildings, which are incorporated in a new methodology that takes explicitly into account the lateral permanent displacements (e.g., the maximum permanent interstorey drift, RIDRmax, or the roof permanent drift) of buildings under earthquake excitation.
Bases para evaluar la resiliencia sísmica de edificios
Jorge Ruiz-García, José M. Ramos Cruz
XXII Congreso Nacional de Ingeniería Sísmica. Monterrey, NL. 2019.
Este artículo presenta las bases para evaluar la resiliencia sísmica de edificios, las cuales se incorporan en una metodología que considera explícitamente la distorsión permanente máxima de entrepiso, RIDRmax. A partir de una estimación de RIDRmax, o de su medición en campo después de un evento sísmico, se predice la distorsión máxima de entrepiso, IDRmax, la cual está asociada a diferentes estados de daño. Finalmente, se presentan las bases conceptuales para desarrollar funciones de recuperación, las cuales permiten evaluar la resiliencia sísmica de edificios.
A simple method for the seismic assessment of first-soft storey reinforced concrete buildings with masonry infills
Jorge Ruiz-García
2019 SECED Conference. Earthquake risk and engineering towards a resilient world. London, UK
The aim of this paper is to introduce a simple method to evaluate seismic drift demands for first soft-storey existing reinforced concrete (RC) buildings based on the inelastic displacement ratio, basic mechanical (e.g. lateral strength ratio) and dynamic properties of the building under consideration. To evaluate the accuracy of the method, the seismic response of 4-, 6-, and 8-storey RC models with masonry infills in the stories above ground representative of those built in the old-bed lake of Mexico City is assessed under a set of earthquake ground motions recorded during the recent September 19, 2017 (Mw=7.0) earthquake. After that, a comparison between the predicted first-storey drifts with the proposed method and the calculated drifts is performed. It is shown that the introduced method provides, in general, good approximation of the calculated drift values and it can be employed for a preliminary seismic assessment of this first soft-storey RC buildings.
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