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Corrosion inhibitors' effect on design service life of RC structures

Faustino, P, Brás, A and Ripper, T (2013) Corrosion inhibitors' effect on design service life of RC structures. Construction and Building Materials, 53. pp. 360-369. ISSN 0950-0618

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Abstract

The implementation of new data regarding the performance of corrosion inhibitors is applied through a performance-based method approved by recent European standards for the probabilistic calculus of service life of reinforced concrete structures. A set of concrete compositions was mixed in order to experimentally obtain strength – compressive – and durability properties – carbonation and chloride diffusion and together with the available results concerning the performance of two types of corrosion inhibitors three scenarios were defined for each concrete composition: (i) plain concrete; (ii) concrete with added admixture inhibitor and (iii) concrete with surface applied migration inhibitor. The probabilistic calculus of service life for each scenario was carried out using modeling equations in which the concrete properties were changed in view of the inhibitors’ performance characteristics. The results show that there is a significant improvement in the design service life when this is modeled considering the effect of corrosion inhibitors.

Item Type: Article
Uncontrolled Keywords: 0905 Civil Engineering, 1202 Building
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TH Building construction
T Technology > TP Chemical technology
Divisions: Built Environment
Publisher: Elsevier
Related URLs:
Date Deposited: 28 Oct 2019 10:55
Last Modified: 28 Oct 2019 11:00
DOI or Identification number: 10.1016/j.conbuildmat.2013.11.098
URI: http://researchonline.ljmu.ac.uk/id/eprint/11654

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