Scholarly record

MONITORING OF THE BRIDGE ON DN 39 OVER THE DANUBE - BLACK SEA CHANNEL IN AGIGEA DURING REHABILITATION

Corina Chiotan, Mihai Predescu

Abstract

For the bridges under rehabilitation, especially for cable stay and suspended structures, situations that can lead to the increase of strain in the structure may occur during construction works. Because of that, monitoring the way the bridges behave during works becomes necessary. Monitoring them during rehabilitation under traffic is essential, because alarms are triggered when accidental actions take place or when certain strain values are exceeded. The bridge on DN39 over the Danube пїЅ Black See channel in Agigea assures the connection between the north and south both for the Dobrogea province and the Agigea harbor. Till 2015 this bridge ensured the only direct road connection and in case of damages the detour for the road users would be more than 60 km. The bridge was constructed in 1985, being the first cable-stayed bridge in Romania. In 2012 rehabilitation works started. During the rehabilitation works, that implied the change of the stays, a live monitoring system was implemented. The system consisted of eight strain gauges and two live cameras connected to a server that collected and stored all the data. The purpose of this work is to present the monitoring system installed on the bridge's deck, as well as the data collected by this system during the replacement of the stays and under traffic.

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DOI resolver: doi.org/10.5593/sgem2017/14/s05.034

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