Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Adrian Chajec"'
Autor:
Kamel Hebbache, Mourad Boutlikht, Abdellah Douadi, Cherif Belebchouche, Imed Benrebouh, Redha Hammouche, Laura Moretti, Adrian Chajec, Slawomir Czarnecki
Publikováno v:
Buildings, Vol 14, Iss 10, p 3295 (2024)
The environmental impacts of cement production are becoming more urgent concerns. This study examined the mechanical characteristics of cement when it is partially replaced with finely crushed sand. The experimental program consisted of three differe
Externí odkaz:
https://doaj.org/article/7c09614f532541e7a37be23c30ed2de2
Autor:
Adrian Chajec
Publikováno v:
Journal of Materials Research and Technology, Vol 25, Iss , Pp 4761-4783 (2023)
This paper focuses on literature analyses of the impact of granite powder waste on the properties of cementitious mixes and composites. The influence of weather conditions on the properties of granite rocks is also analysed. The grains of granite pow
Externí odkaz:
https://doaj.org/article/38af6e5a74464e99ad4be1a01d9163c7
Publikováno v:
Applied Sciences, Vol 14, Iss 11, p 4485 (2024)
Replacement of cement with electric arc furnace (EAF) slag at higher volumes causes volumetric expansion; therefore, such blends are not recommended in concrete production. In this study, the effect of this slag on the performance and microstructure
Externí odkaz:
https://doaj.org/article/50ce5f7b8d674146a7f601d8fd6acffe
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-11 (2022)
Abstract In this study, a machine learning model for the precise manufacturing of green cementitious composites modified with granite powder sourced from quarry waste was designed. For this purpose, decision tree, random forest and AdaBoost ensemble
Externí odkaz:
https://doaj.org/article/a422b0305fcd484ab921762a2f5fa72b
Autor:
Adrian Chajec
Publikováno v:
Chemical Engineering Transactions, Vol 94 (2022)
The production of building materials is one of the most polluting industries for the natural environment. To change this, solutions are being sought that can reduce the environmental impact of the construction industry. One such solution is the modif
Externí odkaz:
https://doaj.org/article/5026d751caa14b37bdeb693e8cf72d26
Publikováno v:
Chemical Engineering Transactions, Vol 94 (2022)
The granite industry produces a nuisance waste called granite powder. In its bulk state, it poses a threat to people and the environment. The main objective of this article is to determine whether waste granite powder would be safely used in cement-l
Externí odkaz:
https://doaj.org/article/a3f44b364cce46e9a240dab4314c6a20
Publikováno v:
Applied Sciences, Vol 13, Iss 6, p 4011 (2023)
This paper predicts the abrasion resistance of a cementitious composite containing granite powder and fly ash replacing up to 30% of the cement weight. For this purpose, intelligent artificial neural network (ANN) models were used and compared. A dat
Externí odkaz:
https://doaj.org/article/fb37ef96348045e3b5217d1b5b456fc4
Publikováno v:
Materials, Vol 15, Iss 24, p 9066 (2022)
Granite is a well-known building and decorative material, and, therefore, the amount of produced waste in the form of granite powder is a problem. Granite powder affects the health of people living near landfills. Dust particles floating in the air,
Externí odkaz:
https://doaj.org/article/42b98ec5168f4edbb5397ce25a9af038
Publikováno v:
Materials, Vol 15, Iss 24, p 8837 (2022)
The purpose of this article is to determine the effect of granite powder grain size and grinding time on the properties of cement paste. A series of cement pastes modified by the addition of granite powder were made and the properties of the fresh mi
Externí odkaz:
https://doaj.org/article/40c5dee84fdb4151b87d06f8ffa612f4
Autor:
Adrian Chajec
Publikováno v:
Materials, Vol 14, Iss 5, p 1208 (2021)
The partial replacement of cement in concrete with the addition of granite powder and fly ash can help to reduce the carbon dioxide (CO2) emissions into the atmosphere associated with cement production. The aim of the article is to compare the perfor
Externí odkaz:
https://doaj.org/article/58d7c31e318a4f92ba336379816e16b3