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

Bridges and viaducts

EN 108 – Bridge over the Mouth of the Sousa River at km 9+440. Rehabilitation and broadening of the Engineering Structures. Concrete characterization tests.

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Construction of the bridge

Lower view of the arch from the side of the left margin – Countering Foundations

Vehicle with bridge inspection platform

Visual Inspection – Survey anomalies – Main beam of the bridge deck

Visual Inspection – Survey anomalies – Pillar

Visual Inspection – Survey anomalies – Bridge floor

Visual Inspection – Survey anomalies – Crack opening measurement

Survey of anomalies – Evaluation of out of plumb

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

Tests “in-situ” – Execution of soundings for confirmation of the diameter of the rods

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

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

Tests “in-situ” - Reinforcement corrosion evaluation - Measurement of the electric resistivity of the concrete

Tests “in-situ” - Indirect evaluation of the strength concrete - Rebound hammer test

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

Characterizing concrete’s mechanical properties – Core drilling

Visual concrete characterization– Cores samples drilled before preparation for testing

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