Diffusion coefficient of sulphate ions in cement stone during environmental degradation: Fid-Bau Portal

Fachinformationsdienst BAUdigital

A platform for research: civil engineering, architecture and urbanism

Diffusion coefficient of sulphate ions in cement stone during environmental degradation

Miletic, S. / Ilic, M.

This paper considers the sulfate degradation of Portland cements (C3A content in clinker 6.60 % and 13.31 %) and the same Portland cements where the 30 % of Portland cement clinker were replaced with coal ash. The test samples were prepared according to Koch-Steinegger's method and then exposed to the influence of aggressive environment (5% (NH4)2SO4 solution). The measurements of several properties were carried out, the results were analyzed and a correlation among the influencing factors was suggested through degradation coefficient. According to the II Fick's law, diffusion coefficient for SO4(2-) ions was estimated. There was a strong influence of coal ash on degradation also.

Access

Check availability in my library

Order at Subito €

Page navigation

Document information

Export, share and cite

Diffusion coefficient of sulphate ions in cement stone during environmental degradation

Miletic, S. / Ilic, M.

This paper considers the sulfate degradation of Portland cements (C3A content in clinker 6.60 % and 13.31 %) and the same Portland cements where the 30 % of Portland cement clinker were replaced with coal ash. The test samples were prepared according to Koch-Steinegger's method and then exposed to the influence of aggressive environment (5% (NH4)2SO4 solution). The measurements of several properties were carried out, the results were analyzed and a correlation among the influencing factors was suggested through degradation coefficient. According to the II Fick's law, diffusion coefficient for SO4(2-) ions was estimated. There was a strong influence of coal ash on degradation also.

Diffusion coefficient of sulphate ions in cement stone during environmental degradation

Miletic, S. / Ilic, M.

This paper considers the sulfate degradation of Portland cements (C3A content in clinker 6.60 % and 13.31 %) and the same Portland cements where the 30 % of Portland cement clinker were replaced with coal ash. The test samples were prepared according to Koch-Steinegger's method and then exposed to the influence of aggressive environment (5% (NH4)2SO4 solution). The measurements of several properties were carried out, the results were analyzed and a correlation among the influencing factors was suggested through degradation coefficient. According to the II Fick's law, diffusion coefficient for SO4(2-) ions was estimated. There was a strong influence of coal ash on degradation also.

Access

Check availability in my library

Order at Subito €

Page navigation

Document information

Export, share and cite

Document information

Title:

Diffusion coefficient of sulphate ions in cement stone during environmental degradation

Contributors:

Miletic, S. (author) / Ilic, M. (author)

Published in:

EDEM, Environmental Degradation of Engineering Materials, International Conference, 1999 ; 299-304

Publication date:

1999

Size:

6 Seiten, 4 Bilder, 1 Tabelle, 8 Quellen

ISBN:

Type of media:

Conference paper

Type of material:

Print

Language:

English

Keywords:

Zersetzung , Portlandzement , Portlandzementklinker , Kohlenasche , Umwelteinfluss , Sulfatbeständigkeit , Ammoniumsulfat , Ficksches Gesetz , Diffusionskoeffizient , Calciumaluminathydrat

Similar titles

Sodium Sulphate Effect on Cement Produced with Building Stone Waste

Sancak, Emre / Özkan, Sükrü / Chung, Kwansoo | Tema Archive | 2015

Cement from Nanocrystalline Hydroxyapatite: Effect of Sulphate Ions

Lilley, K. J. / Wright, A. J. / Farrar, D. et al. | British Library Online Contents | 2005

Cement from Nanocrystalline Hydroxyapatite: Effect of Sulphate Ions

Lilley, K.J. ;Wright, Adrian J. ;Farrar, David | Trans Tech Publications | 2005

Cement from Nanocrystalline Hydroxyapatite: Effect of Sulphate Ions

Lilley, K. J. / Wright, A. J. / Farrar, D. et al. | British Library Online Contents | 2005

Diffusion of sulfate ions into cement stone regarding simultaneous chemical reactions and resulting effects

Gospodinov, P.N. / Kazandjiev, R.F. / Partalin, T.A. et al. | British Library Online Contents | 1999