OZ - diagnóstico, levantamento e controlo de qualidade em estruturas e fundações, ld.ª

Bridges and viaducts

Rendering of the survey, inspection and testing services to characterize of the concrete over the Cávado River, in EN 304, at km 76+626.

Construction of the bridge

Vehicle with inspection platform for access to the deck’s soffit

Structural characterization – Shaft of the pillar, of the cavity section, made up of masonry of regular blocks of granitic stone

Visual Inspection – Survey anomalies – Abutment

Visual Inspection – Survey anomalies – Open web beam of the bridge deck

Visual Inspection – Survey anomalies – Crack opening measurement

Visual Inspection – Survey anomalies – Roadway

Characterization of the concrete – Core extracted from the slab

Tests “in-situ”

Tests “in-situ” - Detection and evaluation of the reinforcement cover with the covermeter

Tests “in-situ”. Test zones – Reinforcement meshes detected with the covermeter

Tests “in-situ” - Qualitative concrete evaluation – Ultrasound test through the direct method

Tests “in-situ” - Measuring the depth concrete carbonation

Tests “in-situ” – Reinforcement corrosion evaluation – Measuring corrosion intensity through the polarization resistance technique

Characterizing concrete’s mechanical properties – Core drilling