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Pregled bibliografske jedinice broj: 658977

Numerical Modelling of Degradation of Reinforced Concrete Structures Exposed to Cracking and Chlorides

Ožbolt, Joško; Kušter, Marija; Balabanić, Gojko; Oršanić, Filip
Numerical Modelling of Degradation of Reinforced Concrete Structures Exposed to Cracking and Chlorides // Assessment, Upgrading and Refurbishement of Infrastructures / IABSE (ur.).
Rotterdam : Boston (MA) : Taipei: International Association for Bridge and Structural Engineering (IABSE), 2013. str. 1-8 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)

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Naslov
Numerical Modelling of Degradation of Reinforced Concrete Structures Exposed to Cracking and Chlorides

Autori
Ožbolt, Joško ; Kušter, Marija ; Balabanić, Gojko ; Oršanić, Filip

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Assessment, Upgrading and Refurbishement of Infrastructures / IABSE - Rotterdam : Boston (MA) : Taipei : International Association for Bridge and Structural Engineering (IABSE), 2013, 1-8

ISBN
978-3-85748-123-9

Skup
IABSE Conference, Rotterdam, 2013 - Assessment, Upgrading and Refurbishement of Infrastructures

Mjesto i datum
Rotterdam, Nizozemska, 06.05.2013. - 08.05.2013

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Reinforced Concrete; Pitting Corrosion; Modelling; Finite elements; Cracking; Chlorides; Corrosion Rate; Bond Resistance.

Sažetak
The paper provides a brief overview of recently developed fully coupled 3D chemo-hygro-thermo- mechanical model for simulation of chloride induced corrosion, before and after depassivation of steel as well as its consequences on degradation of reinforced concrete structures. The applications of the model are illustrated on three numerical examples. The aim of the first numerical example is to demonstrate the influence of cracks in concrete on transport processes and on depassivation time. In the second and the third numerical examples processes after depasivation of reinforcement are analyzed in order to study the influence of concrete quality, water saturation and cracks in concrete on corrosion current density of a macro cell ; influence of rust transport into the concrete cracks and pores on damages in concrete as well as influence of corrosion on bond resistance. The numerical results are in good agreement with the available experimental observations, what leads to the conclusion that the model is able to realistically predict corrosion of reinforcement in concrete.

Izvorni jezik
Engleski

Znanstvena područja
Građevinarstvo, Temeljne tehničke znanosti



POVEZANOST RADA

Projekti:
082-0822977-1497 - Granična stanja i održivost mostova
114-0000000-3145 - Numerički 3D kemo-higro-termo-mehanički model betona (Ožbolt, Joško, MZOS ) ( CroRIS)

Ustanove:
Građevinski fakultet, Zagreb,
Građevinski fakultet, Rijeka

Profili:

Avatar Url Gojko Balabanić (autor)

Avatar Url Marija Kušter Marić (autor)

Avatar Url Filip Oršanić (autor)

Avatar Url Joško Ožbolt (autor)

Citiraj ovu publikaciju:

Ožbolt, Joško; Kušter, Marija; Balabanić, Gojko; Oršanić, Filip
Numerical Modelling of Degradation of Reinforced Concrete Structures Exposed to Cracking and Chlorides // Assessment, Upgrading and Refurbishement of Infrastructures / IABSE (ur.).
Rotterdam : Boston (MA) : Taipei: International Association for Bridge and Structural Engineering (IABSE), 2013. str. 1-8 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)
Ožbolt, J., Kušter, M., Balabanić, G. & Oršanić, F. (2013) Numerical Modelling of Degradation of Reinforced Concrete Structures Exposed to Cracking and Chlorides. U: IABSE (ur.)Assessment, Upgrading and Refurbishement of Infrastructures.
@article{article, author = {O\v{z}bolt, Jo\v{s}ko and Ku\v{s}ter, Marija and Balabani\'{c}, Gojko and Or\v{s}ani\'{c}, Filip}, year = {2013}, pages = {1-8}, keywords = {Reinforced Concrete, Pitting Corrosion, Modelling, Finite elements, Cracking, Chlorides, Corrosion Rate, Bond Resistance.}, isbn = {978-3-85748-123-9}, title = {Numerical Modelling of Degradation of Reinforced Concrete Structures Exposed to Cracking and Chlorides}, keyword = {Reinforced Concrete, Pitting Corrosion, Modelling, Finite elements, Cracking, Chlorides, Corrosion Rate, Bond Resistance.}, publisher = {International Association for Bridge and Structural Engineering (IABSE)}, publisherplace = {Rotterdam, Nizozemska} }
@article{article, author = {O\v{z}bolt, Jo\v{s}ko and Ku\v{s}ter, Marija and Balabani\'{c}, Gojko and Or\v{s}ani\'{c}, Filip}, year = {2013}, pages = {1-8}, keywords = {Reinforced Concrete, Pitting Corrosion, Modelling, Finite elements, Cracking, Chlorides, Corrosion Rate, Bond Resistance.}, isbn = {978-3-85748-123-9}, title = {Numerical Modelling of Degradation of Reinforced Concrete Structures Exposed to Cracking and Chlorides}, keyword = {Reinforced Concrete, Pitting Corrosion, Modelling, Finite elements, Cracking, Chlorides, Corrosion Rate, Bond Resistance.}, publisher = {International Association for Bridge and Structural Engineering (IABSE)}, publisherplace = {Rotterdam, Nizozemska} }

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