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Pregled bibliografske jedinice broj: 701371

Zbornik radova

Autori: Milovanović, Bojan; Banjad Pečur, Ivana; Štirmer, Nina
Naslov: Quality control of concrete structures using IR thermography
( Quality control of concrete structures using IR thermography )
Izvornik: Proceedings of the RILEM International workshop on performance-based specification and control of concrete durability / Bjegović, Dubravka ; Beushausen, Hans ; Serdar, Marijana (ur.). - Zagreb : RILEM Publications S.A.R.L. , 2014. 125-132 (ISBN: 978-2-35158-135-3).
Skup: RILEM International workshop on Performance-based specification and control of concrete durability
Mjesto i datum: Zagreb, Hrvatska, 11-13.06.2014.
Ključne riječi: Infrared thermography; Defects; Reinforced concrete; Nondestructive testing; Step heating thermography; Pulsed phase thermography; Principle component analysis
( Infrared thermography; Defects; Reinforced concrete; Nondestructive testing; Step heating thermography; Pulsed phase thermography; Principle component analysis )
Sažetak:
The objective of condition assessment of existing reinforced concrete structures is to provide insight into current condition of the observed structure, to predict development of deterioration, and to assess the influence of defects found on the safety and life expectancy of the structure. Nondestructive testing using IR thermography generally consists of thermal stimulation of the object under examination and monitoring of its surface temperature variation during the transient heating or cooling phase. The existence of inhomogeneities in the core material affects the heat transfer and thus causes local changes of temperature distribution on the surface of the observed structure, which is then recorded using an IR camera. In this paper, the use of active infrared thermography technique for detecting defects in reinforced concrete structures will be presented. Possible use of active thermography with post processing techniques that can be applied for detecting the defects in near surface region of reinforced concrete structures will also be presented. In the post-processing of thermogram sequences, step heating (SH) thermography, pulsed phase (PPT) thermography, principle component analysis (PCA) and correlation operators technique were used in order to determine the existence of defects in concrete samples.
Vrsta sudjelovanja: Predavanje
Vrsta prezentacije u zborniku: Cjeloviti rad (više od 1500 riječi)
Vrsta recenzije: Međunarodna recenzija
Projekt / tema: 082-0822161-2990
Izvorni jezik: eng
Kategorija: Znanstveni
Znanstvena područja:
Građevinarstvo,Temeljne tehničke znanosti
Puni text rada: 701371.ID_099_Quality_control_of_concrete_structures_using_IR_thermography.pdf (tekst priložen 16. Lip. 2014. u 09:18 sati)
Upisao u CROSBI: Bojan Milovanović (bmilovanovic@grad.hr), 16. Lip. 2014. u 09:18 sati



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