Výsledky vyhledávání - "Pershina Lidiya"

Akademický článek

Evaluating the efficiency of the fluidity retention of ready-mix concrete during the transportation of it to the construction site

Autor: Kabus Oleksii, Butska Larisa, Makarenko Olga, Pershina Lidiya, Tymoshchenko Andriy

Publikováno v: MATEC Web of Conferences, Vol 230, p 03005 (2018)

The work is devoted to the study of changes in the time of mobility of concrete mixtures, which are used for commercial concrete with monolithic construction. The in-situ concrete quality depends on the uniformity, viability and workability of the co

Externí odkaz: https://doaj.org/article/6838c49fa60641a28317e40ea543712e

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Akademický článek

Predicting the strength and maturity of hardening concrete

Autor: Belykh Irina, Sopov Viktor, Butska Larisa, Pershina Lidiya, Makarenko Olga

Publikováno v: MATEC Web of Conferences, Vol 230, p 03001 (2018)

When predicting the growth of strength and maturity of hardening concrete, the role of the temperature factorshould be taken into account. Taking into account the temperature factor requires at the initial stage of hardening of concrete low positive

Externí odkaz: https://doaj.org/article/88656c425e6444d2b450791fed02fe9e

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Akademický článek

The role of chemical admixtures in the formation of the structure of cement stone

Autor: Sopov Viktor, Pershina Lidiya, Butskaya Larisa, Latorets Ekaterina, Makarenko Olga

Publikováno v: MATEC Web of Conferences, Vol 116, p 01018 (2017)

The influence of sulfates and carbonates of potassium and sodium on the character of the formation of the microstructure of cement stone was studied. The role of cations in the structure formation of cement stone is shown. The efficiency of chemical

Externí odkaz: https://doaj.org/article/265618756a8146dcaec5e068edd37e04

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