Study of the effect of micellar catalysis on the strength of alkaline reactive powder concrete

Shishkin, Alexander; Shishkina, Alexsandera

doi:10.15587/1729-4061.2018.133445

Cited by 3 publications

(2 citation statements)

References 8 publications

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“…As a result, a lower pH value of the medium is provided at the phase boundary, in which low-basic calcium hydrosilicates are formed [8], which, as is known, are characterized by increased strength and resistance in aggressive media. At the same time, the theory of water activation using ultra-low doses of various substances, including plasticizers, is widely studied and applied in the production of concrete [9,10,11,12]. Based on the above, as well as the results of research in the field of micellar catalysis of calcium hydrosilicate synthesis reactions, the purpose of the research was determined, the results of which are presented in this paper.…”

Section: Problem Formulationmentioning

confidence: 99%

Optimization of Water Activation Technology for the Production of Fine-Grained Concrete

Shyshkina

2023

KEM

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One of the main active components of modern concrete is water. Water has a variable structure, the type of which depends on the water treatment technology. The use of water in the production of concrete, which has a changed structure as a result of the action of certain substances, allows influencing the rheological properties of concrete mixtures and modifying the structure of cement stone in such a way as to give concrete properties that ensure high operational reliability of structures. However, this method of increasing the strength of concrete has certain disadvantages that prevent its wide application. The purpose of the study is to determine the influence of the type of plasticizers used for water activation on the speed of structure formation and the strength of fine-grained concrete.

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Section: Problem Formulationmentioning

confidence: 99%

Optimization of Water Activation Technology for the Production of Fine-Grained Concrete

Shyshkina

2023

KEM

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“…The use of activated water at a temperature from 273 to 373 K leads to an increase in the strength of concrete at the age of 2 days by 40...50 %, and at the age of 28 days by 20...30 %. Based on the above, as well as the results of research in the field of micellar catalysis of calcium hydrosilicate synthesis reactions [12], the purpose of the research was determined, the results of which are presented in this paper.…”

Section: Analysis Of Publicationsmentioning

confidence: 99%

Increasing the Speed of Formation of the Structure of Fine-Grained Concrete and its Strength

Shyshkin

2023

KEM

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It was determined that the active component of modern concrete is water. Water has a variable structure, the type of which depends on the temperature at which the water was processed. The use of water in the production of concrete, which has a certain changed structure, allows influencing the rheological properties of concrete mixtures and modifying the structure of cement stone in such a way as to give concrete properties that ensure high operational reliability of structures. However, this method of increasing the strength of concrete has certain disadvantages that prevent its wide application. The purpose of the research is to determine the effect of a mixture of water of different structure on the strength of fine-grained concrete and the speed of its formation.

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Influence of Temperature and Humidity of the Environment where the Concrete Hardening Takes over on the Efficiency of Surface Microdosis Application

Shyshkina

Shyshkin

2022

MSF

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Studies have shown the effect of ultra-low doses of surfactants on the compressive strength of cement stone and fine-grained concrete, which harden under conditions of heat-wet treatment, due to lack of research and widespread use of such treatment in concrete technology. It is proved that in this case the effect of ultra-low doses of surfactants is to reduce the number of open pores in cement stone and concrete. Experimental studies have confirmed that the molecules of surfactants, such as sodium oleate, polyhydric alcohol or others, significantly changes the hydrogen content of water used for the manufacture of concrete. This increases the mechanical strength of cement stone and concrete. It is determined that the increase in temperature and humidity of the medium in which the concrete hardens leads to an increase in the effectiveness of ultra-low doses of surfactants on the formation of compressive strength

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Study of the effect of micellar catalysis on the strength of alkaline reactive powder concrete

Cited by 3 publications

References 8 publications

Optimization of Water Activation Technology for the Production of Fine-Grained Concrete

Optimization of Water Activation Technology for the Production of Fine-Grained Concrete

Increasing the Speed of Formation of the Structure of Fine-Grained Concrete and its Strength

Influence of Temperature and Humidity of the Environment where the Concrete Hardening Takes over on the Efficiency of Surface Microdosis Application

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