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MORTAR BASED ON ALKALI-ACTIVATED BLAST FURNACE SLAG

Microcracks formation as a result of the drying shrinkage process

Krizan, D. / Komljenovic, M.

Abstract Blast furnace slag was activated with water glass of different modulus n (mass ratio between SiO2and Na2O) and concentration. Linear deformations of alkali-activated slag mortar, i.e. mortar bars drying shrinkage, were examined as a function of the water glass modulus (n=0,6; 0,9; 1,2 and 1,5), water glass concentration (3 and 4% m/m calculated as Na2O) and slag specific surface area (430, 500 and 600m2/kg). Linear deformations of alkali-activated slag mortar were also compared with linear deformations of ordinary Portland cements mortar (CEM I 42.5).

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MORTAR BASED ON ALKALI-ACTIVATED BLAST FURNACE SLAG

Microcracks formation as a result of the drying shrinkage process

Krizan, D. / Komljenovic, M.

Abstract Blast furnace slag was activated with water glass of different modulus n (mass ratio between SiO2and Na2O) and concentration. Linear deformations of alkali-activated slag mortar, i.e. mortar bars drying shrinkage, were examined as a function of the water glass modulus (n=0,6; 0,9; 1,2 and 1,5), water glass concentration (3 and 4% m/m calculated as Na2O) and slag specific surface area (430, 500 and 600m2/kg). Linear deformations of alkali-activated slag mortar were also compared with linear deformations of ordinary Portland cements mortar (CEM I 42.5).

MORTAR BASED ON ALKALI-ACTIVATED BLAST FURNACE SLAG

Microcracks formation as a result of the drying shrinkage process

Krizan, D. / Komljenovic, M.

Abstract Blast furnace slag was activated with water glass of different modulus n (mass ratio between SiO2and Na2O) and concentration. Linear deformations of alkali-activated slag mortar, i.e. mortar bars drying shrinkage, were examined as a function of the water glass modulus (n=0,6; 0,9; 1,2 and 1,5), water glass concentration (3 and 4% m/m calculated as Na2O) and slag specific surface area (430, 500 and 600m2/kg). Linear deformations of alkali-activated slag mortar were also compared with linear deformations of ordinary Portland cements mortar (CEM I 42.5).

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Title:

MORTAR BASED ON ALKALI-ACTIVATED BLAST FURNACE SLAG

Subtitle:

Microcracks formation as a result of the drying shrinkage process

Contributors:

Krizan, D. (author) / Komljenovic, M. (author)

Published in:

Measuring, Monitoring and Modeling Concrete Properties ; 361-366

Publication date:

2006-01-01

Size:

6 pages

ISBN:

978-1-4020-5104-3 , 978-1-4020-5103-6

DOI:

https://doi.org/10.1007/978-1-4020-5104-3_43

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Portland Cement , Ordinary Portland Cement , Blast Furnace Slag , Calcium Silicate Hydrate , Water Glass Engineering , Building Materials

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