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Projects / Programmes source: ARIS

Inhibitors as a method for rehabilitation of corroded reinforced concrete structures

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Research activity

Code Science Field Subfield
2.01.01  Engineering sciences and technologies  Civil engineering  Building materials 

Code Science Field
T150  Technological sciences  Material technology 
T220  Technological sciences  Civil engineering, hydraulic engineering, offshore technology, soil mechanics 
Keywords
inhibitors, corrosion, reinforced concrete structures, electrochemical methods, rehalibitation
Evaluation (rules)
source: COBISS
Citations Citations for bibliographic records in COBIB.SI that are linked to records in citation databases
source: WoS source: Scopus source: COBISS
Researchers (4)
no. Code Name and surname Research area Role Period No. of publications
1.  04258  MSc Alojz Bevc  Civil engineering  Researcher  1998 - 2001  156 
2.  08281  PhD Andraž Legat  Civil engineering  Head  1998 - 2001  471 
3.  09861  Jerneja Strupi-Šuput  Civil engineering  Researcher  1998 - 2001  134 
4.  09063  PhD Jana Šelih  Civil engineering  Researcher  1998 - 2001  640 
Organisations (1)
no. Code Research organisation City Registration number No. of publications
1.  1502  Slovenian National Building and Civil Engineering Institute  Ljubljana  5866324000  10,103 
Abstract
In recent years the application of corrosion inhibitors to concrete has developed as a possibly effective method for corrosion prevention and the rehabilitation of corroded reinforced structures. In this project, corrosion inhibitors in concrete will be characterized, and their effectiveness evaluated. In particular, their long-term stability will be studied, and their distribution around the rebars in the concrete some time after application. Electrochemical measurements will be performed in simulated pore water, as well as on reinforced concrete specimens and structures. By means of potentiodynamic polarization and electrochemical impedance spectroscopy, the basic characteristics of behaviour of the steel in the simulated pore solution will be determined. The electrochemical noise technique, too, will be implemented in order to monitor the influence on the corrosion processes of the addition of different amounts of the inhibitor and/or chlorides. The second part of this investigation will be performed in the field, on a small concrete bridge and on the already rehabilitated columns of a viaduct. The results of the planned research work will be very helpful for further rehabilitation work on reinforced concrete structures in Slovenia. It is believed that the results of the project will improve our basic knowledge regarding the corrosion processes affecting steel in concrete, and the possibilities for their inhibition.
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