Abstract
The fire behavior of the automated rack-supported warehouse (ARSW) is a topic of great interest both for the scientific community and for the manufacturers of industrial racks. However, their behavior in case of fire of is still poorly known. ARSW is a particular type of steel racks that combine the structural efficiency of steel construction with automated machines for handling stored products. The paper investigates the fire scenario and the collapse mechanism of a typical ARSW by considering a fire model that allows vertical and horizontal propagation, starting from a localized fire, evaluated, and validated against experimental results. The study comprises two fundamental phases: fire simulation using a multi-zone model and investigation of the structural elements collapse through finite element structural analysis. An iterative procedure is proposed to correctly analyze the progressive mechanism of collapse by carrying out several subsequent implicit analyses with SAFIR software.
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