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Study of the Influence of Styrene-Acrylic Dispersion on the Physic-Mechanical Properties of Cement-Sand Mortars

V. B. Martynova, Y. V. Egorova, K. A. Korchagina, D. V. Danilova, A. V. Paramonova

Abstract: The effect of styrene-acrylic dispersion on the mobility indices of cement-sand mortar mixtures and the values of the mechanical properties of cement-sand mortars are studied. The dependence of the characteristics of the cement-sand mortar mixture and mortar on the concentration introduced into the composition of the dispersion is given. It was found that the introduction of styrene-acrylic dispersion significantly increases the strength characteristics of solutions at the age of 28 days of standard hardening. When using a fine aggregate of reduced quality in a mixture, in particular, with a high content of dusty clay particles, a significant increase in the tensile strength in bending by 54 and 43.8 % when using high-quality fine aggregate is noted. The value of compressive strength is increased by 30.3 % when using washed aggregate; when using a filler of reduced quality, a change in the value of the compressive strength is not fixed.

Keywords: slump, strength, cement-sand mortar, styrene-acrylic dispersion.

Pages: 128-132.

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For citation: Martynova, V. B.; Egorova, Y. V.; Korchagina, K. A. [et al.]. Study of the Influence of Styrene-Acrylic Dispersion on the Physic-Mechanical Properties of Cement-Sand Mortars. – Text : electronic. – In: <em>Proceeding of the Donbas National Academy of Civil Engineering and Architecture</em>. – 2020. – Issue 2020-1. – P. 128-132. – URL: https://donnasa.ru/publish_house/journals/vestnik/2020/2020-1(141)/st_19_martynova_egorova_korchagina_danilova_paramonova.pdf (date of access: 27.09.2026). – ISSN 1993-3495.

Issue 2020-1(141)
Journal: Proceeding of the Donbas National Academy of Civil Engineering and Architecture
Publish house: Donbas National Academy of Civil Engineering and Architecture