Influence of the Type and Consumption of Chemical Modifiers on the Properties of Aerated Concrete Mixture and Physical and Mechanical Properties of Non-Autoclaved Aerated Concrete Samples
Abstract: The paper presents an analysis of the rational use of carbonate raw materials in the construction industry of the national economy. The results of a study of the influence of the type and consumption of a chemical modifier on the properties of aerated concrete mixture and the physical and mechanical properties of aerated concrete samples are presented. Carbonate waste of the Donbass industry – limestone (crushing screenings) – was used as a siliceous component of the aerated concrete mixture. A positive effect of the chemical modifier BASF MasterCast 2454 on the temperature of the aerated concrete mixture at the stage of intensive swelling tmax = 43,5–43,0 °C (within 17 minutes from the moment of mixing with water) was established at a modifier consumption of 0,7 % of the cement weight. At the same time, the water-solid ratio of the mixture decreases by 43 %, which has a positive effect on an increase in the compressive strength by 49 % (R = 2,17 MPa) after heat and moisture treatment of aerated concrete samples compared to the control samples. The research results are presented within the framework of the implementation of the state assignment Reg. № SREDTW 123121900004-9 «Development of compositions and technology of structural and structural-thermal-insulating efficient building materials and products, including those using man-made raw materials (within the framework of the implementation of the program for the development of the building materials industry of the Donetsk People’s Republic)».
Keywords: aerated concrete, carbonate waste, physical and mechanical properties, concrete sample, construction industry.
Pages: 59-70.
For citation:
For citation: Martynova, V. B.; Yatsyuk, A. A. Influence of the Type and Consumption of Chemical Modifiers on the Properties of Aerated Concrete Mixture and Physical and Mechanical Properties of Non-Autoclaved Aerated Concrete Samples. – Text : electronic. – In: <em>Proceeding of the Donbas National Academy of Civil Engineering and Architecture</em>. – 2025. – Issue 2025-1(171) Modern building materials. – Р. 59-70. – doi: 10.71536/vd.2025.1c171.8. – edn: pdnbof. – ISSN 2519-2817. (in Russian)
Issue 2025-1 (171)
Journal: Proceeding of the Donbas National Academy of Civil Engineering and Architecture
Publish house: Donbas National Academy of Civil Engineering and Architecture
Journal: Proceeding of the Donbas National Academy of Civil Engineering and Architecture
Publish house: Donbas National Academy of Civil Engineering and Architecture