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Long-term thaumasite sulfate attack on Portland-limestone cement concrete : A multi-technique analytical approach for assessing phase assemblage. / Sotiriadis, Konstantinos; Mácová, Petra; Mazur, Anton S.; Viani, Alberto; Tolstoy, Peter M.; Tsivilis, Sotirios.

In: Cement and Concrete Research, Vol. 130, 105995, 04.2020.

Research output: Contribution to journal › Article › peer-review

Harvard

Sotiriadis, K, Mácová, P, Mazur, AS, Viani, A, Tolstoy, PM & Tsivilis, S 2020, 'Long-term thaumasite sulfate attack on Portland-limestone cement concrete: A multi-technique analytical approach for assessing phase assemblage', Cement and Concrete Research, vol. 130, 105995. https://doi.org/10.1016/j.cemconres.2020.105995

APA

Sotiriadis, K., Mácová, P., Mazur, A. S., Viani, A., Tolstoy, P. M., & Tsivilis, S. (2020). Long-term thaumasite sulfate attack on Portland-limestone cement concrete: A multi-technique analytical approach for assessing phase assemblage. Cement and Concrete Research, 130, [105995]. https://doi.org/10.1016/j.cemconres.2020.105995

Vancouver

Sotiriadis K, Mácová P, Mazur AS, Viani A, Tolstoy PM, Tsivilis S. Long-term thaumasite sulfate attack on Portland-limestone cement concrete: A multi-technique analytical approach for assessing phase assemblage. Cement and Concrete Research. 2020 Apr;130. 105995. https://doi.org/10.1016/j.cemconres.2020.105995

Author

Sotiriadis, Konstantinos ; Mácová, Petra ; Mazur, Anton S. ; Viani, Alberto ; Tolstoy, Peter M. ; Tsivilis, Sotirios. / Long-term thaumasite sulfate attack on Portland-limestone cement concrete : A multi-technique analytical approach for assessing phase assemblage. In: Cement and Concrete Research. 2020 ; Vol. 130.

BibTeX

@article{8e3d83b52c8148479943ac1bb432acef,
title = "Long-term thaumasite sulfate attack on Portland-limestone cement concrete: A multi-technique analytical approach for assessing phase assemblage",
abstract = "Multiple techniques were applied to the investigation of the phase composition of the deteriorated surface of Portland-limestone cement concrete specimens exposed for 10 years to conditions promoting thaumasite sulfate attack. The results were interpreted in terms of the limestone content of cement and the incorporation of supplementary cementitious materials (SCMs) (natural pozzolana, blastfurnace slag, metakaolin). Thaumasite, detected in high amounts in concrete specimens made without SCMs, was associated with Al to some extent. Considerable degradation of calcium silicate hydrate occurred in all specimens, resulting in the formation of Al-associated cross-linked silicate chains, magnesium silicate hydrate and silica gel, a process most effectively prevented by metakaolin. For the highest limestone content in cement or use of natural pozzolana, thaumasite underwent extensive decomposition. Al incorporation into cross-linked silicate chains increased with increasing limestone content in cement. Longer aluminosilicate chains with larger Al fractions were observed in concrete specimens incorporating SCMs.",
keywords = "Portland-limestone cement, Solid state NMR spectroscopy, Supplementary cementitious materials, Thaumasite sulfate attack, C-S-H, HYDRATION KINETICS, SOLID-SOLUTIONS, SI-29 MAS NMR, AL-27, MAGNESIUM, ALUMINUM, SPECTROSCOPY, CALCIUM, ETTRINGITE",
author = "Konstantinos Sotiriadis and Petra M{\'a}cov{\'a} and Mazur, {Anton S.} and Alberto Viani and Tolstoy, {Peter M.} and Sotirios Tsivilis",
year = "2020",
month = apr,
doi = "10.1016/j.cemconres.2020.105995",
language = "English",
volume = "130",
journal = "Cement and Concrete Research",
issn = "0008-8846",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Long-term thaumasite sulfate attack on Portland-limestone cement concrete

T2 - A multi-technique analytical approach for assessing phase assemblage

AU - Sotiriadis, Konstantinos

AU - Mácová, Petra

AU - Mazur, Anton S.

AU - Viani, Alberto

AU - Tolstoy, Peter M.

AU - Tsivilis, Sotirios

PY - 2020/4

Y1 - 2020/4

N2 - Multiple techniques were applied to the investigation of the phase composition of the deteriorated surface of Portland-limestone cement concrete specimens exposed for 10 years to conditions promoting thaumasite sulfate attack. The results were interpreted in terms of the limestone content of cement and the incorporation of supplementary cementitious materials (SCMs) (natural pozzolana, blastfurnace slag, metakaolin). Thaumasite, detected in high amounts in concrete specimens made without SCMs, was associated with Al to some extent. Considerable degradation of calcium silicate hydrate occurred in all specimens, resulting in the formation of Al-associated cross-linked silicate chains, magnesium silicate hydrate and silica gel, a process most effectively prevented by metakaolin. For the highest limestone content in cement or use of natural pozzolana, thaumasite underwent extensive decomposition. Al incorporation into cross-linked silicate chains increased with increasing limestone content in cement. Longer aluminosilicate chains with larger Al fractions were observed in concrete specimens incorporating SCMs.

AB - Multiple techniques were applied to the investigation of the phase composition of the deteriorated surface of Portland-limestone cement concrete specimens exposed for 10 years to conditions promoting thaumasite sulfate attack. The results were interpreted in terms of the limestone content of cement and the incorporation of supplementary cementitious materials (SCMs) (natural pozzolana, blastfurnace slag, metakaolin). Thaumasite, detected in high amounts in concrete specimens made without SCMs, was associated with Al to some extent. Considerable degradation of calcium silicate hydrate occurred in all specimens, resulting in the formation of Al-associated cross-linked silicate chains, magnesium silicate hydrate and silica gel, a process most effectively prevented by metakaolin. For the highest limestone content in cement or use of natural pozzolana, thaumasite underwent extensive decomposition. Al incorporation into cross-linked silicate chains increased with increasing limestone content in cement. Longer aluminosilicate chains with larger Al fractions were observed in concrete specimens incorporating SCMs.

KW - Portland-limestone cement

KW - Solid state NMR spectroscopy

KW - Supplementary cementitious materials

KW - Thaumasite sulfate attack

KW - C-S-H

KW - HYDRATION KINETICS

KW - SOLID-SOLUTIONS

KW - SI-29 MAS NMR

KW - AL-27

KW - MAGNESIUM

KW - ALUMINUM

KW - SPECTROSCOPY

KW - CALCIUM

KW - ETTRINGITE

UR - http://www.scopus.com/inward/record.url?scp=85078475297&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/23f813c1-b7bb-3c5f-966b-df00ade28e1b/

U2 - 10.1016/j.cemconres.2020.105995

DO - 10.1016/j.cemconres.2020.105995

M3 - Article

AN - SCOPUS:85078475297

VL - 130

JO - Cement and Concrete Research

JF - Cement and Concrete Research

SN - 0008-8846

M1 - 105995

ER -

ID: 53585122