Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Galyna Kotsay"'
Autor:
Galyna Kotsay, Wiktor Szewczenko
Publikováno v:
Materials, Vol 17, Iss 15, p 3853 (2024)
This study investigates the use of waste glass as an active aggregate in glass polymers based on water glass, aiming to enhance the sustainability of construction materials by utilizing recyclable waste. Methodologically, the research employs a combi
Externí odkaz:
https://doaj.org/article/b3286198248e4313b81ed1fd27cdfc73
Autor:
Galyna Kotsay, Paweł Grabowski
Publikováno v:
Materials, Vol 16, Iss 15, p 5392 (2023)
The paper determines the properties of geopolymer pastes based on metakaolin and soda-lime waste glass. The density, alkaline activity, strength and microstructure of the reference geopolymer, as well as geopolymers with a 10%, 30% and 50% soda-lime
Externí odkaz:
https://doaj.org/article/734e1b5824c3482f8e76e540fee4eca6
Autor:
Galyna Kotsay, Wiktor Szewczenko
Publikováno v:
Materials, Vol 15, Iss 17, p 6059 (2022)
A feature of silicate materials is that they can exist in two antagonistic states—amorphous and crystalline. In both cases, alkalis, which are always present in chemical compositions, play an important role. A feature of alkalis in the composition
Externí odkaz:
https://doaj.org/article/9a08071a6aa1440bb9317b527d67ec84
Autor:
Viktor, Shevchenko, Galyna, Kotsay
Publikováno v:
In Procedia Engineering 2017 172:977-981
Autor:
Galyna Kotsay, Irmina Masztakowska
Publikováno v:
Materials, Vol 14, Iss 16, p 4633 (2021)
This paper discusses studies regarding the impact of fine-ground glass additives on the hydration and properties of alumina cement pastes and mortars. Fine-ground glass was added to pastes and mortars instead of high-alumina cement and calcium alumin
Externí odkaz:
https://doaj.org/article/22646d47a6d149989ea23fc7e514aa1a
Autor:
Wiktor Szewczenko, Galyna Kotsay
Publikováno v:
Materials, Vol 14, Iss 12, p 3257 (2021)
This article presents a study of the effect of water glass and its introduction on the hydration of Portland cement and its properties in plastic and solid states. The introduction of sodium water glass into the mixing water extends the setting time
Externí odkaz:
https://doaj.org/article/6d332eeef350469ba9448a25eee87a49
Autor:
Wiktor Szewczenko, Galyna Kotsay
Publikováno v:
Materials, Vol 14, Iss 6, p 1346 (2021)
The concept of the alkaline activity of powdered materials introduced into cement compositions has been proposed, along with methods for its determination. The possibility of using waste glass as an active additive to Portland cement was evaluated fr
Externí odkaz:
https://doaj.org/article/f2eab038e8b044f3bc62a907ad5f1af3
Publikováno v:
Chemistry & Chemical Technology. 15:312-318
This paper presents the findings of research study on the effect of borosilicate glass wastes on properties of cement paste and mortar. The borosilicate glass contains three times less alkali than soda-lime glass and about 12 % of boron oxide, so poz
Autor:
Galyna Kotsay, Wiktor Szewczenko
Publikováno v:
Materials
Volume 14
Issue 12
Materials, Vol 14, Iss 3257, p 3257 (2021)
Volume 14
Issue 12
Materials, Vol 14, Iss 3257, p 3257 (2021)
This article presents a study of the effect of water glass and its introduction on the hydration of Portland cement and its properties in plastic and solid states. The introduction of sodium water glass into the mixing water extends the setting time
Autor:
Galyna Kotsay, Wiktor Szewczenko
Publikováno v:
Materials, Vol 14, Iss 1346, p 1346 (2021)
Materials
Volume 14
Issue 6
Materials
Volume 14
Issue 6
The concept of the alkaline activity of powdered materials introduced into cement compositions has been proposed, along with methods for its determination. The possibility of using waste glass as an active additive to Portland cement was evaluated fr