Dynamic evaluation of a historic fountain under blast loading

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Título: Dynamic evaluation of a historic fountain under blast loading
Autor/es: Baeza, F. Javier | Ivorra, Salvador | Bru Orts, David | Varona Moya, Francisco de Borja
Grupo/s de investigación o GITE: Grupo de Ensayo, Simulación y Modelización de Estructuras (GRESMES) | Durabilidad de Materiales y Construcciones en Ingeniería y Arquitectura
Centro, Departamento o Servicio: Universidad de Alicante. Departamento de Ingeniería Civil
Palabras clave: Blast | Heritage | Dynamic analysis | Historical construction
Área/s de conocimiento: Mecánica de Medios Continuos y Teoría de Estructuras | Ingeniería de la Construcción
Fecha de publicación: 2017
Editor: Elsevier
Cita bibliográfica: Procedia Engineering. 2017, 199: 3308-3313. doi:10.1016/j.proeng.2017.09.435
Resumen: The fountain in the center of the Plaza de los Luceros is one of the most important monuments of the city of Alicante (Spain). This modernist structure was built by the local artist Daniel Bañuls in 1930, and is composed of a central body and four horse sculptures. It has been re-paired several times in the early years of XXI century, even the monument was once totally dismantled, and reconstructed later, due to the works carried out during the construction of an underground railway station under the Plaza. The most frequent pathologies are superficial cracking and spalling because of the nearby road traffic, water from the fountain, and corrosion of the embedded steel elements of the fountain installation. Furthermore, blast-induced vibrations should be considered as another damage source, because every year for the city festivities several fireworks (called mascletàs) are held in the Plaza, near the fountain. The location of these mascletàs, typical in the east-coast of Spain, led to a public debate about the possible effects on the fountain’s health. Temporary measures were taken to protect each horse sculpture during last years’ mascletàs, and health monitoring was made to evaluate both the effectiveness of these protections, and the damages suffered by the monument. Several accelerometers were attached to the fountain itself and the ground (which is currently the slab of the lower station. The peak accelerations measured at the monument during a mascletà were around 0.4g. After a frequency analysis, the maximum accelerations exceeded the limits recommended in different European standards for low frequencies, in the range between 1 and 10 Hz. Therefore, these blasts may produce excessive damage on the fountain and some preventive measurements should be taken to preserve it.
Patrocinador/es: Authors wat to thank the University of Alicante for its financial support, grant VIGROB-212.
URI: http://hdl.handle.net/10045/69732
ISSN: 1877-7058
DOI: 10.1016/j.proeng.2017.09.435
Idioma: eng
Tipo: info:eu-repo/semantics/article
Derechos: © 2017 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Revisión científica: si
Versión del editor: http://dx.doi.org/10.1016/j.proeng.2017.09.435
Aparece en las colecciones:INV - DMCIA - Artículos de Revistas
INV - GRESMES - Artículos de Revistas

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