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Pseudo-dynamic and cyclic tests on a full-scale model of part of the façade of the cloisters of the São Vicente de Fora Monastery, in Lisbon, are reported. The tests were carried out at the ELSA laboratory of the Joint Research Centre and aim at the characterization of the non-linear behaviour of limestone block structures under earthquake loading. Local and overall stability of the stone-blocks, including columns and arches were assessed for large displacement amplitudes. Furthermore, stiffness and equivalent damping ratios are evaluated for different deformation levels. The research programme on monuments aims at the calibration of refined non-linear models to represent local behaviours and at the calibration of equivalent linear models (stiffness and damping) to be used for the vulnerability analyses and safety assessment of such a type of structures. It is also attempted to investigate the effects of retrofitting techniques based on the classical ties, in particular, in what concerns post-tensioning and eventual addition of damping devices.

Additional information

Authors: PINTO A V ET AL, JRC Ispra (IT);VAZ C T ET AL, National Laboratory for Civil Engineering, Lisboa (PT);OLIVEIRA C S, Instituto Superior Técnico, Lisboa (PT)
Bibliographic Reference: Paper presented: 11th European Conference on Earthquake Engineering, Paris la Défence (FR), September 6-11, 1998
Availability: Available from (1) as Paper EN 41541 ORA
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