Chloride Ion Penetration into Cracked UHPFRC During Wetting-drying Cycles

Ana Mafalda Matos; Sandra Nunes; Stefan Chaves Figueiredo; Erik Schlangen; José L.Barroso Aguiar

doi:10.1007/978-3-030-76551-4_21

Chloride Ion Penetration into Cracked UHPFRC During Wetting-drying Cycles

Ana Mafalda Matos, Sandra Nunes^*, Stefan Chaves Figueiredo, Erik Schlangen, José L.Barroso Aguiar

^*Corresponding author for this work

Materials and Environment

Research output: Chapter in Book/Conference proceedings/Edited volume › Chapter › Scientific › peer-review

1 Citation (Scopus)

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Abstract

The subject of this paper is the extent to which, during wetting–drying cycles, chloride ions can penetrate Ultra-high-Performance Fibre Reinforced Cementitious Composites (UHPFRC) specimens subjected to combined mechanical and environmental load. Pre-cracking was obtained by subjecting prismatic specimens (40 × 40 × 60mm³) to four-point bending until a predefined crack opening displacement (COD) is reached, using a dedicated test setup. Three target CODs were studied: 300, 350 and 400 µm. Exposure to a concentrated chloride solution (3.5% NaCl) was used as an environmental load. Specimens we subjected to wetting–drying cycles for one year. After this exposure period, the chloride penetration was characterised both qualitatively (by colourimetric analysis with silver nitrate) and quantitatively (by determining the chloride profile). The effect of damage level on chloride penetration and its impact on structures durability is discussed in the current paper.

Original language	English
Title of host publication	Proceedings of the 3rd RILEM Spring Convention and Conference (RSCC 2020)
Subtitle of host publication	Volume 2: New Materials and Structures for Ultra-durability
Editors	Isabel B. Valente, António Ventura Gouveia, Salvador S. Dias
Publisher	Springer
Pages	227-238
Number of pages	12
Volume	33
ISBN (Electronic)	978-3-030-76551-4
ISBN (Print)	978-3-030-76550-7
DOIs	https://doi.org/10.1007/978-3-030-76551-4_21
Publication status	Published - 2021

Publication series

Name	RILEM Bookseries
Volume	33
ISSN (Print)	2211-0844
ISSN (Electronic)	2211-0852

Bibliographical note

Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Keywords

Chloride exposure
Cracking
Durability
Ultra-high-performance fibre reinforced cementitious composites (UHPFRC)

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10.1007/978-3-030-76551-4_21

Matos2021_Chapter_ChlorideIonPenetrationIntoCracFinal published version, 670 KB

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Matos, A. M., Nunes, S., Figueiredo, S. C., Schlangen, E., & Aguiar, J. L. B. (2021). Chloride Ion Penetration into Cracked UHPFRC During Wetting-drying Cycles. In I. B. Valente, A. Ventura Gouveia, & S. S. Dias (Eds.), Proceedings of the 3rd RILEM Spring Convention and Conference (RSCC 2020): Volume 2: New Materials and Structures for Ultra-durability (Vol. 33, pp. 227-238). (RILEM Bookseries; Vol. 33). Springer. https://doi.org/10.1007/978-3-030-76551-4_21

Matos, Ana Mafalda ; Nunes, Sandra ; Figueiredo, Stefan Chaves et al. / Chloride Ion Penetration into Cracked UHPFRC During Wetting-drying Cycles. Proceedings of the 3rd RILEM Spring Convention and Conference (RSCC 2020): Volume 2: New Materials and Structures for Ultra-durability. editor / Isabel B. Valente ; António Ventura Gouveia ; Salvador S. Dias. Vol. 33 Springer, 2021. pp. 227-238 (RILEM Bookseries).

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Matos, AM, Nunes, S, Figueiredo, SC , Schlangen, E & Aguiar, JLB 2021, Chloride Ion Penetration into Cracked UHPFRC During Wetting-drying Cycles. in IB Valente, A Ventura Gouveia & SS Dias (eds), Proceedings of the 3rd RILEM Spring Convention and Conference (RSCC 2020): Volume 2: New Materials and Structures for Ultra-durability. vol. 33, RILEM Bookseries, vol. 33, Springer, pp. 227-238. https://doi.org/10.1007/978-3-030-76551-4_21

Chloride Ion Penetration into Cracked UHPFRC During Wetting-drying Cycles. / Matos, Ana Mafalda; Nunes, Sandra; Figueiredo, Stefan Chaves et al.
Proceedings of the 3rd RILEM Spring Convention and Conference (RSCC 2020): Volume 2: New Materials and Structures for Ultra-durability. ed. / Isabel B. Valente; António Ventura Gouveia; Salvador S. Dias. Vol. 33 Springer, 2021. p. 227-238 (RILEM Bookseries; Vol. 33).

Research output: Chapter in Book/Conference proceedings/Edited volume › Chapter › Scientific › peer-review

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AU - Matos, Ana Mafalda

AU - Nunes, Sandra

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AU - Aguiar, José L.Barroso

N1 - Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

PY - 2021

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N2 - The subject of this paper is the extent to which, during wetting–drying cycles, chloride ions can penetrate Ultra-high-Performance Fibre Reinforced Cementitious Composites (UHPFRC) specimens subjected to combined mechanical and environmental load. Pre-cracking was obtained by subjecting prismatic specimens (40 × 40 × 60mm3) to four-point bending until a predefined crack opening displacement (COD) is reached, using a dedicated test setup. Three target CODs were studied: 300, 350 and 400 µm. Exposure to a concentrated chloride solution (3.5% NaCl) was used as an environmental load. Specimens we subjected to wetting–drying cycles for one year. After this exposure period, the chloride penetration was characterised both qualitatively (by colourimetric analysis with silver nitrate) and quantitatively (by determining the chloride profile). The effect of damage level on chloride penetration and its impact on structures durability is discussed in the current paper.

AB - The subject of this paper is the extent to which, during wetting–drying cycles, chloride ions can penetrate Ultra-high-Performance Fibre Reinforced Cementitious Composites (UHPFRC) specimens subjected to combined mechanical and environmental load. Pre-cracking was obtained by subjecting prismatic specimens (40 × 40 × 60mm3) to four-point bending until a predefined crack opening displacement (COD) is reached, using a dedicated test setup. Three target CODs were studied: 300, 350 and 400 µm. Exposure to a concentrated chloride solution (3.5% NaCl) was used as an environmental load. Specimens we subjected to wetting–drying cycles for one year. After this exposure period, the chloride penetration was characterised both qualitatively (by colourimetric analysis with silver nitrate) and quantitatively (by determining the chloride profile). The effect of damage level on chloride penetration and its impact on structures durability is discussed in the current paper.

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Matos AM, Nunes S, Figueiredo SC , Schlangen E, Aguiar JLB. Chloride Ion Penetration into Cracked UHPFRC During Wetting-drying Cycles. In Valente IB, Ventura Gouveia A, Dias SS, editors, Proceedings of the 3rd RILEM Spring Convention and Conference (RSCC 2020): Volume 2: New Materials and Structures for Ultra-durability. Vol. 33. Springer. 2021. p. 227-238. (RILEM Bookseries). doi: 10.1007/978-3-030-76551-4_21

Chloride Ion Penetration into Cracked UHPFRC During Wetting-drying Cycles

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Keywords

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