The influence of a shrinkage-reducing admixture on the long-term development of dynamic properties in alkali-activated slag

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F19%3APU134995" target="_blank" >RIV/00216305:26110/19:PU134995 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.14311/APP.2019.22.0001" target="_blank" >http://dx.doi.org/10.14311/APP.2019.22.0001</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.14311/APP.2019.22.0001" target="_blank" >10.14311/APP.2019.22.0001</a>

Result language
angličtina
Original language name
The influence of a shrinkage-reducing admixture on the long-term development of dynamic properties in alkali-activated slag
Original language description
The paper investigates the way a shrinkage-reducing admixture affects the long-term development of dynamic properties in mortars made with alkali-activated slag (AAS). Two AAS mortars were tested - one contained a shrinkage-reducing admixture, the other did not. The specimens (prisms of 40 x 40 x 160mm) were observed for changes in the dynamic modulus of elasticity at ages of 3 days through 2 years using the ultrasonic pulse velocity test and the resonance method. Even though the statistical analysis of the results gave no proof that the shrinkage-reducing admixture affected the final values, the development of the elastic modulus appeared to follow a very interesting trend which is completely different from trends commonly observed in cement-based composites.
Czech name
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Czech description
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Project
<a href="/en/project/GA17-14302S" target="_blank" >GA17-14302S: Experimental analysis of the early-age volume changes in cement-based composites</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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