Development of the Composition of a Complex Modifier and Study of the Effect on the Physical and Mechanical Properties of Polystyrene Concrete

RAKHIMOV, Murat; Rakhimova, Galiya; TKACH, Evgenia; MUDRENKO, Victoria

doi:10.52209/1609-1825_2022_1_166

Cited by 2 publications

(1 citation statement)

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“…When additives are included in the composition of the concrete mixture that can affect the dynamics of the hardening process, the rate of curing changes. It is known that water-repellent additives introduced into concrete at the manufacturing stage contribute to the improvement of its operational characteristics [27][28][29][30][31][32]. Hydrophobizers are deposited on the pore walls during the formation of the concrete structure and prevent the penetration of aggressive media [33].…”

Section: Introductionmentioning

confidence: 99%

The Effect of Volumetric Hydrophobization on Moisture Transfer during Hardening of Concrete

Fedosov

Rumyantseva

Konovalova

2020

MSF

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The influence of volumetric hydrophobization of cement stone samples on mass transfer processes during hardening has been studied. It was found that the introduction of a hydrophobizing additive at the stage of sample production reduces the amount of water evaporating during drying. With increasing concentration of the hydrophobizer mass transfer processes are slowed down during the hardening of cement concretes, which affects their structural and phase composition, strength characteristics and durability.

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Section: Introductionmentioning

confidence: 99%

The Effect of Volumetric Hydrophobization on Moisture Transfer during Hardening of Concrete

Fedosov

Rumyantseva

Konovalova

2020

MSF

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Effect of heat treatment of expanded polystyrene concrete on its compressive strength

Samoilova,

Rakhimov,

Rakhimova

et al. 2024

tbus

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The purpose of this research was to identify the effect of heat treatment of heat-insulating concrete on its compressive strength. For comparison, samples of normal hardening and samples that have undergone heat treatment were used. Lightweight heat-insulating concrete based on cement, polystyrene, and industrial waste was used as the subject of the research. A steaming chamber was used for steaming concrete; tests of the mechanical strength of concrete were carried out on a hydraulic press. All tests were carried out under laboratory conditions. Studies have shown that the density of polystyrene concrete after heat treatment is 7% lower than that of polystyrene concrete hardened under normal conditions. During heat treatment, the crystal structure of the material changes, which affects its final properties. This is proved by the fact that the strength of polystyrene concrete after heat treatment is 30% higher.

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Development of the Composition of a Complex Modifier and Study of the Effect on the Physical and Mechanical Properties of Polystyrene Concrete

Cited by 2 publications

References 0 publications

The Effect of Volumetric Hydrophobization on Moisture Transfer during Hardening of Concrete

The Effect of Volumetric Hydrophobization on Moisture Transfer during Hardening of Concrete

Effect of heat treatment of expanded polystyrene concrete on its compressive strength

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