Models for reproducing the damage scenario of the Lorca earthquake

Abstract

A damage scenario modelling is developed and compared with the damage distribution observed after the 2011 Lorca earthquake. The strong ground motion models considered include five modern ground motion prediction equations (GMPEs) amply used worldwide. Capacity and fragility curves from the Risk-UE project are utilized to model building vulnerability and expected damage. Damage estimates resulting from different combinations of GMPE and capacity/fragility curves are compared with the actual damage scenario, establishing the combination that best explains the observed damage distribution. In addition, some recommendations are proposed, including correction factors in fragility curves in order to reproduce in a better way the observed damage in masonry and reinforce concrete buildings. The lessons learned would contribute to improve the simulation of expected damages due to future earthquakes in Lorca or other regions in Spain with similar characteristics regarding attenuation and vulnerability.

Seismic safety assessment of historical structures using updated numerical models: The case of Mallorca cathedral in Spain

“…In the recent years a number of catastrophic earthquakes occurring in Europe resulted in significant damage to cultural heritage buildings. The damage observed in different types of structures after Lorca earthquake (Spain) in 11th May 2011 was discussed in several publications such as [1][2][3][4][5][6][7][8]. Brandonisio et al and Lagomarsino [9][10] showed the effects of L'Aquila earthquake (Italy) occurred in 9th April 2009.…”

Control spectra for Quito

“…Control spectra or specific response spectra are also used to estimate the seismic hazard and risk in cities or specific sites (Rivas-Medina et al, 2011, 2014a.…”

Avances metodológicos en la evaluación de la vulnerabiblidad sísmica en la trama urbana

“…(b) Abrahamson & Silva (2008). (c) Campbell & Bozorgnia (2008), citados en el apartado 2.1.1.2 (Rivas-Medina et al, 2014) ………….…………………………………………………………………………………………………………..…”

“…Otros trabajos analizan el comportamiento sísmico de los edificios monumentales de esta ciudad según la variante de RISK-UE para este tipo de edificaciones (Irizarry, 2004; Pág Lantada et al, 2010), así como el de edificaciones de carácter especial como escuelas y hospitales (Safina, 2003;García-García, 2010;Valcárcel, 2013). Cardona et al (2012) En lo relativo a la Región de Murcia, además de los proyectos RISMUR (Benito et al, 2006;Benito et al, 2015) y SISMIMUR (2006, destacan los recientes estudios realizados en la ciudad de Lorca a raíz del terremoto de 2011 (Feriche et al, 2012a;Martínez-Cuevas;CARM;Rivas-Medina et al, 2014, Salgado-Gálvez et al, 2015Martínez-Cuevas & Gaspar-Escribano, 2016…”

“…Resultados similares fueron obtenidos de forma previa en otros estudios (p.e. Rivas-Medina et al 2014;Salgado-Gálvez et al, 2015). I v_b = Índice de vulnerabilidad de las edificaciones obtenido según el modelo propuesto del método MIV.…”