Fragility analysis on the seismic response of freestanding equipment

Student: Giorgio Lupoi
Supervisor: Prof. P. Pinto, Prof. G.M. Calvi

Abstract

This paper focuses on seismic vulnerability assessment of block-type unrestrained non-structural components under sliding response. One sliding related failure is considered: excessive relative displacement. Fragility curve are proposed as an appropriate tool to evaluate the excessive relative displacement failure mode. The fragility analysis belongs to the so-called empirical approaches and consists of two parts: a regression analysis, performed on the results of experimental tests, in order to define an empirical relationship between the demand and an independent variable function of a measure of the ground motion intensity; a fragility analysis, numerically developed on the basis of the empirical relationship defined in the regression analysis.

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