The influence of metakaolin addition on the scaling of concrete due to frost action

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F14%3A00217515" target="_blank" >RIV/68407700:21110/14:00217515 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
The influence of metakaolin addition on the scaling of concrete due to frost action
Original language description
Deicing chemicals are significant corrosion factor in countries with cold winters. This paper is focused on the study of concrete durability, namely its resistance to deicing chemicals that cause concrete scaling. The admixture of metakaolin into plain and air-entrained concrete is described in this study. The experimental part of the work presents results from workability, compressive strength and scaling resistance measurements. It was found that metakaolin improves durability of both normal and airentrained concrete. However, the favourable effect of metakaolin is much more significant for plain concrete. It is concluded that with respect to the results and economical point of view the optimal replacement of cement by metakaolin is 5%. It was also concluded that state of the samples surface that gets tested significantly influences the results. In addition to that, scaling tests are heavily influenced by experimental equipment and operators.
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
JN - Civil engineering
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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