The use of prestressing through time as seismic retrofitting of historical masonry constructions: past, present and future perspective
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Fecha
2015-11
Autores
Preciado, Adolfo
Bartoli, Gianni
Budelmann, Harald
Título de la revista
ISSN de la revista
Título del volumen
Editor
Ciencia Ergo-Sum
Resumen
Descripción
Unreinforced masonry is one of the oldest construction materials and main component of historical buildings. Masonry is a heterogeneous material with an anisotropic behavior and may fail quasi-brittle during earthquakes. This paper describes the main components and arrangements of historical masonry, seismic vulnerability and existing retrofitting techniques, especially prestressing. Based on the evolution of prestressing, it is developed a future perspective about the use of this technique on cultural heritage. Especial attention may be taken into account when using this technique because the compressive strength may be exceeded, leading to an explosive brittle failure. The correct application of prestressing requires the designing of a compatible device and optimal post-tensioning force that improves strength and ductility without endangering the structure.
Palabras clave
Prestressing, Retrofitting, Earthquakes, Old Masonry, Historical Constructions, Smart Materials
Citación
Preciado, A., Bartoli, G. and Budelmann, H. (2015). “The use of prestressing through time as seismic retrofitting of historical masonry constructions: past, present and future perspective”. Revista Ciencia Ergo-Sum, 22(3): pp. 242-252.