Seismic Behavior of a Masonry Chimney Retrofitted with Composite Materials: A Preliminary Aproach

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Title: Seismic Behavior of a Masonry Chimney Retrofitted with Composite Materials: A Preliminary Aproach
Authors: Bru, David | Ivorra, Salvador | Baeza, F. Javier
Research Group/s: Grupo de Ensayo, Simulación y Modelización de Estructuras (GRESMES) | Durabilidad de Materiales y Construcciones en Ingeniería y Arquitectura
Center, Department or Service: Universidad de Alicante. Departamento de Ingeniería Civil
Keywords: FEM | Reinforced masonry TRM walls | Seismic loads | Seismic retrofitting | Slender masonry structures
Knowledge Area: Mecánica de Medios Continuos y Teoría de Estructuras
Issue Date: 2017
Publisher: WIT Press
Citation: International Journal of Safety and Security Engineering. 2017, 7(4): 486-497. doi:10.2495/SAFE-V7-N4-486-497
Abstract: This paper presents a structural analysis of a masonry chimney, which is being catalogued as local interest heritage, according Eurocode 8. The chimney, located in Alicante (Spain), is severely damaged, and it shows several longitudinal cracks, and mortar loss between bricks. In order to guarantee the structural safety under seismic forces, the chimney was retrofitted with composite materials. This reinforcement comprised an internal textile reinforced mortar (TRM) layer, i.e. glass fiber mesh and cement matrix, and local reinforcement with longitudinal carbon fiber bands. This study consisted of two stages: first, numerical and experimental analyses of the original chim- ney were done. Second, design of an internal reinforcement scheme was done. The experimental text includes acceleration measures under ambient vibration for an operational modal analysis. And laboratory test for bricks and mortar to study the mineralogical composition and mechanical properties. The numerical analysis includes, preliminary pushover analysis before and after the reinforcement was done, and second, linear response spectrum analysis to evaluate the structural stability under the seismic demand.
Sponsor: The authors express deep gratitude to Ministerio de Economia y Competitividad of the Spain’s Government and MAPEI. This work was financed by them by means of the BIA2015-69952R research Project.
URI: http://hdl.handle.net/10045/71251
ISSN: 2041-9031 (Print) | 2041-904X (Online)
DOI: 10.2495/SAFE-V7-N4-486-497
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2017 WIT Press
Peer Review: si
Publisher version: http://dx.doi.org/10.2495/SAFE-V7-N4-486-497
Appears in Collections:INV - GRESMES - Artículos de Revistas
INV - DMCIA - Artículos de Revistas

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