Bridges and viaducts

A03 Motorway Oporto - Valença Covelas Viaduct, km 014+775 – Characterization of the state of conservation of the rehabilitation inspection, with tests that are non-destructive or minimally invasive
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Vehicle with bridge inspection platform  
View of the bridge over the railway
           
 
Visual Inspection – Survey anomalies  
Visual Inspection – Survey anomalies
           
 
Visual Inspection – Survey anomalies – Photomicrography of crack  
Visual Inspection – Survey anomalies
           
 
Visual Inspection – Survey anomalies  
Tests “in-situ”
           
 
Tests “in-situ” - Detection and evaluation of reinforcement cover with the covermeter  
Tests “in-situ” - Measuring the depth of concrete carbonation
           
 
Tests “in-situ” - Measuring the depth of concrete carbonation  
Evaluating the concrete’s current resistance – Core drilling
           
 
Visual concrete characterization – Core sample before preparation for laboratory testing      
           
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