Early-stage hydration heat development in blended cements containing natural zeolite studied by isothermal calorimetry

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F14%3A00218231" target="_blank" >RIV/68407700:21110/14:00218231 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1016/j.tca.2014.03.003" target="_blank" >http://dx.doi.org/10.1016/j.tca.2014.03.003</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.tca.2014.03.003" target="_blank" >10.1016/j.tca.2014.03.003</a>

Result language
angličtina
Original language name
Early-stage hydration heat development in blended cements containing natural zeolite studied by isothermal calorimetry
Original language description
Early-stage hydration heat development in blended Portland cement-based binders containing natural zeolite in an amount of up to 40% by mass is investigated using an isothermal heat flow calorimeter. Experimental results show that the presence of naturalzeolite in the blended binders accelerates the onset of C3S hydration and boosts the first phase of C3A hydration. The second phase of C3A hydration gains onimportance in the hydration process with the increasing zeolite dosage. For the zeolite contentshigherthan 30%, the maximum specific hydration heat power in this phase is even higher than the maximum corresponding to the C3S hydration. The effectiveness of the natural zeolite as a binder, as expressed bythe difference specific hydration heat per 1g of zeolite, is found to decrease with its increasing dosage in the blends. The replacement of Portland cement in an amount of 10% by mass by natural zeolitecan be considered as a limit for its effective use. Above this limit, a substan
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
JI - Composite materials
OECD FORD branch
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Project
<a href="/en/project/GBP105%2F12%2FG059" target="_blank" >GBP105/12/G059: Cumulative time dependent processes in building materials and structures</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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