A Mathematical methodology for the preventive study of the failure rate to optimize the Program Maintenance of a public work: economic-management aspects for safety and quality

Giuseppe Caristi (University of Messina)
Sabrina Lo Bosco (Pegaso University)
Alberto Vieni (Tec. Man. Prevention and Protection Service)


In this paper we analyze the problem of the assessment of the failure rate of the complex public work system and the engineering part of it (bridge, tunnel, etc.), examining the case of serious maintenance problems, such as those which occurred in the recent disaster of the "Morandi bridge".

The original mathematical methodology envisaged makes it possible to optimize the safety and quality scenarios of the operation and infrastructure in question, also from an economic-management point of view, evaluating every aspect in an integrated way and for the entire lifespan.

The scientific results obtained are of particular interest for the study of maximization of the planning protocols of "terotechnological" interventions, providing a contribution to the science of programmed maintenance for the mobility networks and for more complex parts such as bridges and tunnels.

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DOI: https://doi.org/10.30564/jbar.v1i1.138


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