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Case studies

Monitoring Railways

Asti – Nizza Monferrato Railway Line

Asti – Nizza Monferrato Railway Line

Background
Monferrato Piemontese is an area of Italy that features uplands and valleys, with landscapes that are known especially for various vineyards. The Asti-Nizza Monferrato railway line runs through these landscapes from east to west. The company GD Test was commissioned to monitor the tracks potentially affected by embankment movement as a result of operations to create an underpass using a pipe jacking technique. It was deemed appropriate to set up a particularly versatile system of wireless sensorssuited to the morphological context and the absence of an electricity supply line.Furthermore, the technical specifications stipulated by RFI (railway operator) required a monitoring system with readout intervals and thresholds handled as quickly as possible, to guarantee safe train operation. 

The solution
GD Test put its trust in a WineCapTM monitoring system made up of 21 wireless dual-axis inclinometers, battery-powered and installed on the sleepers to monitor longitudinal and transversal levels, skew at 3 and 9 metres, and other crucial parameters of interest to RFI. Data are transmitted by the system thanks to a gateway that can also be powered by photovoltaic panels, and operates with readout intervals of 5 minutes and customer-defined thresholds. Once monitoring commences, the precision and reliability of the data are very useful and enable prompt decisions if displacement exceeds set threshold values. 

The result Precision and reliability are two essential factors for a successful railway monitoring system. These two parameters have never been neglected in the relationship between Capetti Elettronica and GD Test that spans decades.



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