| Issue |
MATEC Web Conf.
Volume 174, 2018
3rd Scientific Conference Environmental Challenges in Civil Engineering (ECCE 2018)
|
|
|---|---|---|
| Article Number | 02011 | |
| Number of page(s) | 8 | |
| Section | Material Engineering, Waste Management in Civil Engineering | |
| DOI | https://doi.org/10.1051/matecconf/201817402011 | |
| Published online | 26 June 2018 | |
Autoclaved materials with chalcedonite addition
Kielce University of Technology, Faculty of Civil Engineering and Architecture, Kielce, Poland
* Corresponding author: pkostrzewa@tu.kielce.pl
Silicate products along with autoclaved aerated concrete are a healthy and ecological building material. Silicates and AAC are the effect of the reaction of the components from which they are formed under hydrothermal conditions. This process is called autoclaving from the name of the devices in which it runs. The tests have shown the effect of the tested additives on the particular properties of autoclaved lime-sand products and lime-sand-cement products. The addition of chalcedonite powder increased both the bulk density and compressive strength of lime-sand products and lime-sand-cement products. Composition modifications contributed to changing the microstructure of the products. In the samples with the addition of chalcedonite powder, fuller tobermorite crystals developed in comparison with the traditional sample. Additives contributed to changes in pore structure and size.
© The Authors, published by EDP Sciences, 2018
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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