Sensor Monitoring system, continuous recording of deflections, Surveying: focus on means implemented by SITES during a load test.
SITES assignment was to check the behaviour of this 171m length prestressed concrete throughout a load test.
After reinforcement works, the bridge has been load-tested in order to assess the additional prestressing impact, and to verify that its actual behaviour was compliant against calculations.
Sensors (strain gauges, crackmeters,etc…) are continuously recording the structural deflections. Relative movements (bendings, cambers) are monitored using surveying.
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A precise methodology was established by SITES teams.