Snowfall in Milan on december 28th of the past year

Monitoring the roof of pavilion 13 of the Fair in Rho

On 28 December 2020, the whole territory of Milan was affected by a snowfall. In particular, the roof of pavilion 13 of the Fair in Rho was covered with a snow mantle between 20 and 30 cm high. All strain gauges arranged on the main and secondary warping beams clearly highlighted the event with deformations, all in the same direction, of the order of 100 microstrain. The increase of stress corresponding to 100 microstrain is about over 20 N/mm2. It should be noted that when the snow melted, the transducers provided the same indications as those found before the meteorological event. Click on the image for an enlarged view of the graph

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