| Issue |
MATEC Web Conf.
Volume 129, 2017
International Conference on Modern Trends in Manufacturing Technologies and Equipment (ICMTMTE 2017)
|
|
|---|---|---|
| Article Number | 05012 | |
| Number of page(s) | 5 | |
| Section | Civil Engineering and Architecture | |
| DOI | https://doi.org/10.1051/matecconf/201712905012 | |
| Published online | 07 November 2017 | |
Effect of caustic soda on the intensity of gassing in the production of non-autoclaved aerated concrete
Construction and Architecture Academy at Don State Technical University, Rostov-on-Don, Russian Federation
* Corresponding author: khaljushev@mail.ru
This article discusses the effect of caustic soda on the intensity of gassing in the production of non-autoclaved aerated concrete. It has been found out that adding 0.8 and 1.0 percent of caustic soda increases the amount of released hydrogen by 20-40%. This is due to caustic soda increasing the alkalinity of the medium, which intensifies gassing. Exceeding the optimum amounts of caustic soda rapidly increases the elastic strength and worsens the ‘swelling’ of the AC mixture. Physico-mechanical tests of aerated concrete samples showed a considerable improvement in properties compared to the control composition.
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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