Conference paper Open Access

Liquefaction risk assessment: lesson learned from a case study

Giuseppe Modoni; Rose Line Spacagna; Luca Paolella; Erminio Salvatore; Alessandro Rasulo; Luca Martelli

A detailed and comprehensive assessment of risk is the basis to protect communities
and assist decision-making towards the sustainable management of territories. For liquefaction
this process implies to simultaneously investigate seismic hazard, susceptibility of the subsoil,
vulnerability of structures, economic and social relevance of critical infrastructures and
ultimately build a comprehensive multi-level model that considers the interaction among all aspects.
Developing a methodology to achieve this goal is the scope of Liquefact, a EU H2020
project. A case study pervasively affected by liquefaction damages is here studied as a real scale
scenario to identify the main factors of uncertainty. The available data concerning seismic motion,
subsoil and building characteristics, damage and economic loss are used to develop a methodology
aimed at quantifying and reducing uncertainties in the spatial distribution of risk.

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