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Communication Dans Un Congrès Année : 2022

Inspection of Concrete/Steel/Concrete pipes by ultrasonic methods

Résumé

Non-destructive ultrasound methods are developed to detect holes and assess remaining steel thickness in concrete/steel/concrete pipes affected by corrosion. Two types of methods are studied using bulk waves and guided waves on different samples in laboratory. For bulk waves, we performed measurements through concrete using pulse compression methods and a specific signature of holes in the steel layer was successfully identified. For guided waves, a numerical study enables to identify a mode sensitive to the remaining steel thickness. These first results are promising and complementary for the inspection of concrete/steel/concrete pipes on site
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Dates et versions

cea-04418160 , version 1 (25-01-2024)

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Thilakson Raveendran, Jean-Marie Henault, Arnaud Recoquillay, Jean-François Chaix, Guy d'Urso, et al.. Inspection of Concrete/Steel/Concrete pipes by ultrasonic methods. NDT-CE 2022 - The International Symposium on Nondestructive Testing in Civil Engineering, Aug 2022, Zürich, Switzerland. ⟨10.58286/27210⟩. ⟨cea-04418160⟩
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