Applicability analysis of IR thermography and discrete wavelet transform for technical conditions assessment of bridge elements
- 2 January 2019
- journal article
- research article
- Published by Taylor & Francis in Quantitative InfraRed Thermography Journal
- Vol. 16 (1) , 87-110
Abstract
Standard procedures for carrying out the inspection of the bridge or the assessment of its technical condition and suitability for use, rely on visual assessment made by the inspector and are in a certain part subjective. The main objective of the article is to analyze the applicability of IR as a tool to support the inspections of the structure and equipment elements of bridges. We are looking for the relationship between temperature distribution on an element surface (registered by an infrared camera) and hidden defects, which may be associated with, among others, moisture, discontinuity or delaminations in concrete structures. The study was divided into three parts: numerically simulated experiments of transient heat transfer, laboratory tests of reinforced concrete (RC) slab and some in-situ tests of a real bridge. To improve the effectiveness of damage detection, discrete two-dimensional wavelet transformation was applied.Keywords
Funding Information
- Politechnika Poznańska (01/12/DS-PB/0482)
- Politechnika Poznańska (02/22/DS-PB/1318)
This publication has 9 references indexed in Scilit:
- In-situ NDT testing procedure as an integral part of failure analysis of historical masonry arch bridgesEngineering Failure Analysis, 2015
- Use Of Pulsed IR Thermography For Determination Of Size And Depth Of Subsurface Defect Taking Into Account The Shape Of Its Cross-Section AreaArchives of Metallurgy and Materials, 2015
- The detection and thermal characterization of the inner structure of the ‘Musmeci’ bridge deck by infrared thermography monitoringJournal of Geophysics and Engineering, 2013
- Nondestructive Bridge Deck Testing with Air-Coupled Impact-Echo and Infrared ThermographyJournal of Bridge Engineering, 2012
- Evaluation of Commercially Available Remote Sensors for Highway Bridge Condition AssessmentJournal of Bridge Engineering, 2012
- Damage detection using thermal experiments and wavelet transformationInverse Problems in Science and Engineering, 2011
- Intestigation of concrete structures with pulse phase thermographyMaterials and Structures, 2005
- Application of infrared thermography to the non-destructive testing of concrete and masonry bridgesNDT & E International, 2003
- Applications of thermography in non-destructive testing of structuresNDT & E International, 2001