A chemo-mechanical model for biogenic sulphide corrosion of concrete

Frits A.M. Rooyackers; Emanuela Bosco; Akke S.J. Suiker; François H.L.R. Clemens

doi:10.1016/j.cemconres.2022.106809

A chemo-mechanical model for biogenic sulphide corrosion of concrete

Frits A.M. Rooyackers, Emanuela Bosco (Corresponding author), Akke S.J. Suiker, François H.L.R. Clemens

Applied Mechanics

Onderzoeksoutput: Bijdrage aan tijdschrift › Tijdschriftartikel › Academic › peer review

14 Citaten (Scopus)

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Samenvatting

A chemo-mechanical model is presented for the simulation of biogenic sulphide corrosion in concrete sewer pipes. The chemical model is formulated in terms of a system of coupled diffusion-reaction equations, which describe the processes of calcium hydroxide dissolution, calcium silicate hydrate dissolution and gypsum formation. The chemical problem is two-way coupled with a mechanical model that captures the damage processes caused by mechanical deformations, calcium silicate hydrate dissolution and gypsum formation. A set of numerical analyses illustrates that the model realistically simulates the growth of a gypsum corrosion layer and the consequent damage development in the concrete material. A validation experiment is performed that mimics the chemical process of biogenic sulphide corrosion, from which it is confirmed that the chemo-mechanical model adequately simulates both the shape of the experimental corrosion profile and the square root time development of the corrosion depth.

Originele taal-2	Engels
Artikelnummer	106809
Aantal pagina's	20
Tijdschrift	Cement and Concrete Research
Volume	160
DOI's	https://doi.org/10.1016/j.cemconres.2022.106809
Status	Gepubliceerd - okt. 2022

Bibliografische nota

Publisher Copyright:
© 2022 The Authors

Financiering

This work is part of the Open Technology research program “A Numerical-Experimental Study on chemo-mechanical degradation of COncrete sewer Pipes (NESCOP)” with Project Number 15485 , which is financed by the Netherlands Organisation for Scientific Research (NWO). The authors gratefully acknowledge the helpful support of Dr. Rianne Luimes of the Eindhoven University of Technology, the Netherlands, during the performance of the experimental tests. Further, the authors express their appreciation to the Dutch production company Kijlstra for providing the concrete composition used for constructing the experimental test specimens. Finally, the valuable discussions with the municipalities, production companies, engineering companies, water authorities and other stakeholders during the yearly held user-meetings of the project are very much appreciated. This work is part of the Open Technology research program “A Numerical-Experimental Study on chemo-mechanical degradation of COncrete sewer Pipes (NESCOP)” with Project Number 15485, which is financed by the Netherlands Organisation for Scientific Research (NWO). The authors gratefully acknowledge the helpful support of Dr. Rianne Luimes of the Eindhoven University of Technology, the Netherlands, during the performance of the experimental tests. Further, the authors express their appreciation to the Dutch production company Kijlstra for providing the concrete composition used for constructing the experimental test specimens. Finally, the valuable discussions with the municipalities, production companies, engineering companies, water authorities and other stakeholders during the yearly held user-meetings of the project are very much appreciated.

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10.1016/j.cemconres.2022.106809

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NESCOP: NESCOP (project 15485)
Bosco, E. (Project Manager), Suiker, A. S. J. (Project communicatie medewerker), Rooyackers, F. A. M. (Projectmedewerker), Luimes, R. A. (Projectmedewerker), Lamers, H. M. (Projectmedewerker), van Alen, T. (Projectmedewerker) & Wijen, H. L. M. (Projectmedewerker)
1/09/17 → 31/08/23
Project: Onderzoek direct

Citeer dit

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abstract = "A chemo-mechanical model is presented for the simulation of biogenic sulphide corrosion in concrete sewer pipes. The chemical model is formulated in terms of a system of coupled diffusion-reaction equations, which describe the processes of calcium hydroxide dissolution, calcium silicate hydrate dissolution and gypsum formation. The chemical problem is two-way coupled with a mechanical model that captures the damage processes caused by mechanical deformations, calcium silicate hydrate dissolution and gypsum formation. A set of numerical analyses illustrates that the model realistically simulates the growth of a gypsum corrosion layer and the consequent damage development in the concrete material. A validation experiment is performed that mimics the chemical process of biogenic sulphide corrosion, from which it is confirmed that the chemo-mechanical model adequately simulates both the shape of the experimental corrosion profile and the square root time development of the corrosion depth.",

keywords = "Concrete sewer systems, Continuum damage model, Coupled physics processes, Diffusion-reaction equations, Sulphate attack",

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note = "Funding Information: This work is part of the Open Technology research program “A Numerical-Experimental Study on chemo-mechanical degradation of COncrete sewer Pipes (NESCOP)” with Project Number 15485 , which is financed by the Netherlands Organisation for Scientific Research (NWO). The authors gratefully acknowledge the helpful support of Dr. Rianne Luimes of the Eindhoven University of Technology, the Netherlands, during the performance of the experimental tests. Further, the authors express their appreciation to the Dutch production company Kijlstra for providing the concrete composition used for constructing the experimental test specimens. Finally, the valuable discussions with the municipalities, production companies, engineering companies, water authorities and other stakeholders during the yearly held user-meetings of the project are very much appreciated. ",

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N2 - A chemo-mechanical model is presented for the simulation of biogenic sulphide corrosion in concrete sewer pipes. The chemical model is formulated in terms of a system of coupled diffusion-reaction equations, which describe the processes of calcium hydroxide dissolution, calcium silicate hydrate dissolution and gypsum formation. The chemical problem is two-way coupled with a mechanical model that captures the damage processes caused by mechanical deformations, calcium silicate hydrate dissolution and gypsum formation. A set of numerical analyses illustrates that the model realistically simulates the growth of a gypsum corrosion layer and the consequent damage development in the concrete material. A validation experiment is performed that mimics the chemical process of biogenic sulphide corrosion, from which it is confirmed that the chemo-mechanical model adequately simulates both the shape of the experimental corrosion profile and the square root time development of the corrosion depth.

AB - A chemo-mechanical model is presented for the simulation of biogenic sulphide corrosion in concrete sewer pipes. The chemical model is formulated in terms of a system of coupled diffusion-reaction equations, which describe the processes of calcium hydroxide dissolution, calcium silicate hydrate dissolution and gypsum formation. The chemical problem is two-way coupled with a mechanical model that captures the damage processes caused by mechanical deformations, calcium silicate hydrate dissolution and gypsum formation. A set of numerical analyses illustrates that the model realistically simulates the growth of a gypsum corrosion layer and the consequent damage development in the concrete material. A validation experiment is performed that mimics the chemical process of biogenic sulphide corrosion, from which it is confirmed that the chemo-mechanical model adequately simulates both the shape of the experimental corrosion profile and the square root time development of the corrosion depth.

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A chemo-mechanical model for biogenic sulphide corrosion of concrete

Samenvatting

Bibliografische nota

Financiering

Toegang tot document

Andere bestanden en links

Vingerafdruk

Projecten

NESCOP: NESCOP (project 15485)

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