| Issue |
E3S Web of Conf.
Volume 410, 2023
XXVI International Scientific Conference “Construction the Formation of Living Environment” (FORM-2023)
|
|
|---|---|---|
| Article Number | 01014 | |
| Number of page(s) | 6 | |
| Section | Modern Building Materials | |
| DOI | https://doi.org/10.1051/e3sconf/202341001014 | |
| Published online | 09 August 2023 | |
Stabilized clay-gypsum binder
1 Karakalpak State University, 1 Ch. Abdirov street, 230112 Nukus, Uzbekistan
2 Moscow State University of Civil Engineering, 26, Yaroslavskoye shosse, Moscow, 129337, Russia
* Corresponding author: marat.asamatdinov@mail.ru
Clay gypsum is a natural sedimentary rock of chemical origin, containing from 50 to 95% of fine-grained crystalline gypsum, evenly distributed between clay minerals. The purpose of the research was to develop the compositions of the stabilized clay-gypsum binder, taking into account the temperature regimes of its firing. The studies were based on mathematical planning of the experiment with subsequent statistical processing of the results and obtaining polynomials that adequately describe the phenomena under study and with analytical optimization of these polynomials. It has been established that the optimal firing temperature of the initial sedimentary rock is 294–295 °C. The strength of the clay-gypsum binder is 8.8–8.6 MPa, which corresponds to the G-8 grade gypsum binder. The introduction of a superplasticizer additive makes it possible to increase the strength of the binder by 10–20%. As a result of the research, the technological parameters for obtaining a clay-gypsum binder, the modes of its heat treatment (roasting) were optimized, and the influence of technologies on the properties of the clay-gypsum binder, which can be considered as an analogue of a binder obtained from natural gypsum raw materials, was studied.
© The Authors, published by EDP Sciences, 2023
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.
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