Performance of buildings with masonry infill walls during the 2011 Lorca earthquake

Hermanns, Lutz Karl Heinz and Fraile de Lerma, Alberto and Alarcón Álvarez, Enrique and Álvarez Cabal, Ramón (2014). Performance of buildings with masonry infill walls during the 2011 Lorca earthquake. "Bulletin of Earthquake Engineering", v. 12 (n. 5); pp. 1977-1997. ISSN 1570-761X. https://doi.org/10.1007/s10518-013-9499-3.

Description

Title: Performance of buildings with masonry infill walls during the 2011 Lorca earthquake
Author/s:
  • Hermanns, Lutz Karl Heinz
  • Fraile de Lerma, Alberto
  • Alarcón Álvarez, Enrique
  • Álvarez Cabal, Ramón
Item Type: Article
Título de Revista/Publicación: Bulletin of Earthquake Engineering
Date: October 2014
Volume: 12
Subjects:
Faculty: E.T.S.I. Industriales (UPM)
Department: Mecánica Estructural y Construcciones Industriales [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

On Wednesday 11th May 2011 at 6:47 pm (local time) a magnitude 5.1 Mw earthquake occurred 6 km northeast of Lorca with a depth of around 5 km. As a consequence of the shallow depth and the small epicentral distance, important damage was produced in several masonry constructions and even led to the collapse of one of them. Pieces of the facades of several buildings fell down onto the sidewalk, being one of the reasons for the killing of a total of 9 people. The objective of this paper is to describe and analyze the failure patterns observed in reinforced concrete frame buildings with masonry infill walls ranging from 3 to 8 floors in height. Structural as well as non-structural masonry walls suffered important damage that led to redistributions of forces causing in some cases the failure of columns. The importance of the interaction between the structural frames and the infill panels is analyzed by means of non-linear Finite Element Models. The resulting load levels are compared with the member capacities and the changes of the mechanical properties during the seismic event are described and discussed. In the light of the results obtained the observed failure patterns are explained. Some comments are stated concerning the adequacy of the numerical models that are usually used during the design phase for the seismic analysis.

More information

Item ID: 32334
DC Identifier: http://oa.upm.es/32334/
OAI Identifier: oai:oa.upm.es:32334
DOI: 10.1007/s10518-013-9499-3
Official URL: http://link.springer.com/article/10.1007%2Fs10518-013-9499-3
Deposited by: Biblioteca ETSI Industriales
Deposited on: 17 Oct 2014 09:01
Last Modified: 01 Dec 2015 23:56
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