Complex additive for improving the strength properties of heavy concrete based on industrial waste
DOI:
https://doi.org/10.54355/tbus/4.4.2024.0067Keywords:
concrete, production waste, slag, post-alcohol bard, strength, frost resistance, water absorptionAbstract
The article presents the results of using a complex modified additive to improve concrete's physical and mechanical properties. The complex additive includes industrial production wastes: metallurgical slag and alcohol production wastes (post-alcohol bard). To stabilize the hydrogen index the alkali KON is included in the composition of the additive. A set of laboratory studies was carried out to measure the strength, absorption, and frost resistance of test specimens to assess the effect of the additive on the properties of concrete. A comparison of physical and mechanical properties was made for samples of different concentrations of slag. The ratio of slag components to cement was from 5 to 25% by the total mass of the binder, a multiple of 5%. The optimal composition of the mixture, with maximum strength values, corresponds to the percentage of slag 15%, post-alcohol bard 22.5 liters, and alkali 150 grams. In general, the results obtained from data points of the compared parameters showed consistent results with minimal variation in the data. The results obtained are of practical value related to the reduction of the cost of production of structural concrete with an increase in its strength indicators.
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Copyright (c) 2024 Rauan Lukpanov, Duman Dyussembinov, Serik Yenkebaev, Denis Tsygulyov, Murat Karacasu
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
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Ministry of Education and Science of the Republic of Kazakhstan
Grant numbers AP13068424