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Título: | Effect of polypropylene fibre reinforced mortars on steel reinforcement corrosion induced by carbonation |
Autor: | Sanjuán, Miguel Ángel; Andrade Perdrix, Carmen CSIC ORCID ; Bentur, A. | Palabras clave: | Corrosion rate Reinforce Concrete Crack width Polypropylene Fibre Fiber Reinforce Concrete |
Fecha de publicación: | 1996 | Editor: | Springer Nature | Citación: | Materials and Structures 31: 343-349 (1996) | Resumen: | Low amounts of polypropylene fibres are added to concrete as a secondary reinforcement to control cracking. Whether this addition might improve the corrosion resistance of the concrete reinforcement by increasing the resistance to carbonation, via reducing penetrating paths, is the subject addressed in the present paper. Crack control by the fibres in plastic state mortars and crack evolution with time have been studied. Furthermore, the influence of crack width on the steel bar corrosion induced by carbonation has also been monitored. Circular specimens made of mortar have been employed in the experimental phase of the study, using a water/cement ratio of 0.50 and cement/sand ratio of 2/1. The polypropylene fibre content was 0% and 0.5% by volume. Low modulus polypropylene fibres may control the crack width in specimens subjected to inadequate curing conditions. No relationship between crack width and time for corrosion initiation has been observed. However, a beneficial effect of fibre addition on the corrosion rate was found. | Versión del editor: | https://doi.org/10.1007/BF02480677 | URI: | http://hdl.handle.net/10261/225576 | DOI: | 10.1007/BF02480677 | Identificadores: | doi: 10.1007/BF02480677 issn: 1359-5997 e-issn: 1871-6873 |
Aparece en las colecciones: | (IETCC) Artículos |
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