Calcareous Finishing Compounds Using Fillers on the Basis of Synthesized Hydrosilicates

Логанина, В. И.; Pyshkina, I

doi:10.14529/build150406

Cited by 4 publications

(4 citation statements)

References 3 publications

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“…In [13][14][15][16][17] it was proposed to use calcium hydrosilicates synthesized using diatomite as an active additive. X-ray diffraction analysis revealed that the mineralogical composition of a additives based on synthesized calcium hydrosilicates synthesized using diatomite is represented by calcium hydrosilicates of the tobermorite group, C-S-H (II) solution, quartz, kaolinite and hydrogalites (Fig.…”

Section: Test Resultsmentioning

confidence: 99%

Applications of Calcium Hydrosilicates and Amorphous Aluminosilicates in Lime Dry Mixes

Zhegera¹,

Pyshkina²

2018

SSP

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Information is given on the possibility of using additives based on calcium hydrosilicates synthesized using diatomite and amorphous aluminosilicates as modifying dry mortar in the formulation. The data of the analysis of mineralogical composition of the investigated additives are given, the influence of additives on the change in the plastic strength of the lime test and the content of free lime is revealed. The kinetics of the change in the strength of lime samples was studied, which confirmed that the investigational additives possess a structuring effect and can be used as modifying agents.

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Section: Test Resultsmentioning

confidence: 99%

Applications of Calcium Hydrosilicates and Amorphous Aluminosilicates in Lime Dry Mixes

Zhegera¹,

Pyshkina²

2018

SSP

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“…A tile adhesive was used for the tests on the basis of the developed formulation of the dry glue mixture. The developed adhesive formulation contains Portland cement, mineral aggregate (sand), plasticizer, polymer and mineral additive [17,18].…”

Section: Methodsmentioning

confidence: 99%

Estimation of Strength of Coating of Solvent Layer on the Basis of Adhesive Building Mixture

Логанина

Zhegera

2017

IOP Conf. Ser.: Mater. Sci. Eng.

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Abstract.The article provides the information on the technique for estimating the strength of adhesion of a solution layer on the shear. The means for the strength of adhesion measuring, their metrological characteristics are proposed. The appearance and operation principle of the GT 2.2.3 device is described. A technique for assessing the strength of adhesion of tile adhesives to the shear using a GT 2.2.3 device is described. The information is given on the results of testing of an adhesive layer on the basis of a cement substrate. It is shown that the tensile stresses appearing in the adhesive layer are less than the tensile strength at shearing, and the shear strength exceeds the values of the maximum tangential stresses.

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“…The process of cement hydration during this period is particularly sensitive to the hardening conditions of the cement stone; therefore, many researchers have proposed various additives to ensure the fast formation of primary hydration phases, the composition of which determines the subsequent physical and mechanical properties of the cement stone and concrete. To accelerate the hardening crystallization components [9], zeolites [10], microsilica [11], metakaolin [12,13], as well as various technogenic materials activated by various methods [14][15][16][17][18][19] or synthesized crystallization seeds of various of nature [20,21] were offered. Acceleration of cement hydration with materials specified in publications is ensured, firstly, by binding calcium hydroxide to slightly soluble hydrosilicates, which shifts the hydrolysis of C3S and, accordingly, increases its hydration rate.…”

Section: Introductionmentioning

confidence: 99%

“…Secondly, studies on the addition of additives to hardening cement paste have shown that they play the role of crystalline seeds to accelerate the hydration of clinker minerals [20,21].…”

Section: Introductionmentioning

confidence: 99%

The Increase of Hydration Activity of Portland Cement by Additives of Crystalline Hydrates

Krivoborodov

Самченко

2019

MSF

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The article presents the results of a study of the effect of synthesized microdisperse additives of crystalline hydrates based on calcium sulfoaluminates on the properties of cement stone. The effectiveness of the use of a rotary pulsation apparatus (RPA) to obtain microdispersed additives is identified. The possibility of accelerating the hardening of cement stone by entering microdispersed additives into its composition is shown. It has been established that in the presence of microdispersed additives of crystalline hydrates in the cement stone, the phase composition of hydrate tumors changes, the amount of calcium hydrosilicates and ettringite increases, the porosity decreases and the strength of the cement stone increases. This provision is confirmed by the increase in the degree of cement hydration, the amount of bound water in all periods of hardening of the stone. It is proposed to use microdisperse additives, which play the role of primers for the crystallization of ettringite and calcium hydrosilicates, to increase the strength of cement stone in the early stages of hardening.

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Calcareous Finishing Compounds Using Fillers on the Basis of Synthesized Hydrosilicates

Cited by 4 publications

References 3 publications

Applications of Calcium Hydrosilicates and Amorphous Aluminosilicates in Lime Dry Mixes

Applications of Calcium Hydrosilicates and Amorphous Aluminosilicates in Lime Dry Mixes

Estimation of Strength of Coating of Solvent Layer on the Basis of Adhesive Building Mixture

The Increase of Hydration Activity of Portland Cement by Additives of Crystalline Hydrates

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