SEISMIC RISK OF HISTORIC STRUCTURES AND MONUMENTS: A NEED FOR A UNIFIED POLICY

Abstract eng:
There is lack for a common approach on the assessment of seismic risk for historic structures and monuments. Performance of interventions for a partial mitigation of seismic risk is yet a challenge. In most cases limitations stemming from the implementation of interventions on historic structures and monuments that are contrary to internationally accepted guidelines, e.g., Carta di Venezia, do not allow fulfilling the safety level of new constructions. The challenge of balancing safety versus maintenance of the architectural and artistic features of historic structures remains a pressing issue to address. In addition, new developments on the seismic hazard and proper interventions related to near-source phenomena are scarcely considered in the literature. Through representative examples, this work attempts to provide a framework that: (i) quantifies the “safe” duration (nominal life) of an intervention on a monument; (ii) considers the effects of near-source phenomena and; (iii) elaborates on the integration of experimental/ analytical methods in view of recent developments in the field.

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