Русский
English
The article analyzes the main technological approaches to controlling the molding properties of ceramic compounds based on opoka-like rocks – highly porous siliceous rocks for the production of large-format wall blocks by rigid extrusion with horizontal voids. Opoka-like rocks, which are siliceous sedimentary formations, have high dispersion, porosity and a significant content of amorphous silica. Their use in the production of building ceramics makes it possible to reduce the density of products, improve thermal insulation properties and reduce energy consumption for firing. The low plasticity of opoka-like raw materials complicates their molding using traditional methods. Therefore, rigid extrusion represents an effective technological solution for producing parts with complex geometries and specified physical and mechanical properties, while reducing the energy consumption of the process, making it preferable for use in modern, environmentally friendly industries.
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2. Munir M., Abbas S., Nehdi M., Kazmi S.M.S. Development of Eco-Friendly Fired Clay Bricks Incorporating Recycled Marble Powder. Journal of Materials in Civil Engineering. 2018. 30 (5). P. 1 – 11. 19435533.
3. Gencel O., Munir M., Kazmi S.M.S., Sütçü M., Erdoğmuş E., Velasco P., Eliche-Quesada D. Recycling industrial slags in production of fired clay bricks for sustainable manufacturing. Ceramics International. 2021. 47 (2). P. 2456.
4. Saleem M., Kazmi, S.M.S., Abbas S. Clay bricks prepared with sugarcane bagasse and rice husk ash – A sustainable solution. MATEC Web of Conferences. 2017. 120 (7). P 456.
5. Sütçü M., Akkurt S. The use of recycled paper processing residues in making porous brick with reduced thermal conductivity. Ceramics International. 2009. 35 (7). P. 2625 – 2631.
6. Sütçü M., Gencel O., Erdoğmuş E., Koc V., Çay V.V, Gok M. Properties of bricks with waste ferrochromium slag and zeolite. Journal of Cleaner Production. 2013. (59). P. 111 – 119.
7. Buravchuk N., Guryanova O., Parinov I. Use of technogenic raw materials in ceramic technology. Open Ceramics 2024. 18. P.100578.
8. Rakhimova G., Stolboushkin A., Vyshar O., Stanevich V., Murat Rakhimov M., Kozlov Р. Strong structure formation of ceramic composites based on coal mining overburden rocks. Journal of Composites Science. 2023. 7 (1). P 209 – 221.
9. Avizovas R., Baskutis S., Navickas V., Tamándl L. Effect of Chemical Composition of Clay on Physical-Mechanical Properties of Clay Paving Blocks. Buildings. 2022. 12 (7). P. 943.
10. Kalendova A., Kupková J., Urbaskova M., Merinska D. Applications of Clays in Nanocomposites and Ceramics. Minerals. 2024. 14 (1). P. 93 – 103
11. Gualtieri S. Ceramic raw materials: how to establish the technological suitability of a raw mate-rial. Archaeological and Anthropological Sciences. 2020. 12. P. 183.
12. Kotlyar V., Terekhova Yu., Lapunova K., Maltseva I. Characteristics and raw material base of siliceous-carbonate rocks as raw materials for the production of synthetic wollastonite. Bulletin of Tomsk Polytechnic University. Georesources Engineering. 2025. 336 (6). P. 84 – 95.
13. Kurilova S., Naumov A., Gebru B. Silica clay (opoka) as a promising raw material for unfired wall products by compression molding. E3S Web of Conferences. 2023. P. 419.
14. Kotlyar V., Terekhova Yu.. Mineralogical, chemical and structural features of opoka-like opal-cristobalite rocks as raw materials for the construction industry. Bulletin of Tomsk Polytechnic University. Georesources Engineering. 2023. 334 (1). P. 145 – 155.
15. Zemlyanskaya A., Lapunova K., Semenova M. Dry masonry mixtures based on siliceous opal-cristobalite rocks for clinker bricks. Construction materials and products. 2024. 7 (2).
16. Endell J. «Röntgenographischer Nachweis kristalliner Zwischenzustände bei der Bildung von Cristobalit aus Kieselgur beim Erhitzen». Kolloid-Zeitschrift. 1948. 111(1). P. 19 – 22.
17. Kandymov N., Korpayev S., Durdyev S., Myratberdiyev R., Gurbanmyradova L. Manufacturing of Fired Clay Bricks for Internal Walls with Dolomite Residue as a Secondary Material. Buildings. 2023. 13 (12). P. 3065.
18. Goncharenko D. Experimental testing of clincer brick for suitability using for sewer collectiors reconstruction. Collection of scientific works of the Ukrainian State University of Railway Transport. 2019. 187.
19. Erdoğmuş E., Sütçü M., Hossain S., Bayram M., Sari A., Gencel O., Ozbakkaloglu, T. Effect of molding pressure and firing temperature on the properties of ceramics from natural zeolite. Construction and Building Materials. 2023. 402. P. 132960.
20. Jorgensen T., Lightfoot S. Twisting Clay: Creative Research to Explore the Complex Rheology in Ceramic Extrusion. FormAkademisk. 2023. 16(4). P. 1 – 11.
Zemlyanskaya A.G. Distinguishing characteristics of the molding properties of ceramic masses based on siliceous opoka-like rocks for the production of large-format porous stones using the rigid extrusion method. Construction Materials and Products. 2026. 9 (2). 2. https://doi.org/10.58224/2618-7183-2026-9-2-2