Zobrazeno 1 - 10
of 1 501
pro vyhledávání: '"fine powder"'
Autor:
Markos Petousis, Nikolaos Michailidis, Václav Kulas, Vassilis Papadakis, Mariza Spiridaki, Nikolaos Mountakis, Apostolos Argyros, John Valsamos, Emmanouel Stratakis, Nectarios Vidakis
Publikováno v:
Cleaner Materials, Vol 14, Iss , Pp 100271- (2024)
A cyclic economy and sustainability-driven production are key aspects of the industry. Recycled feedstocks are steadily replacing virgin materials to produce parts and as sustainable additives to develop eco-friendly composites. The reinforcing poten
Externí odkaz:
https://doaj.org/article/47a4e6e22d6543b2b017c783f2525947
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e02961- (2024)
The recycled concrete fine powder (RFP) after calcination activation not only contains active powder with potential hydration characteristics, but also may cause the limestone contained in the fine powder to form calcium oxide. The effects of TRFP-75
Externí odkaz:
https://doaj.org/article/d7c02f7b0aa341f7a9bdbdad1c5f2480
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e02956- (2024)
Recycled fine powder (RFP) collected from construction and demolition waste resources is difficult to use in large quantities due to its low activity. To promote the activity of RFP and maximize its economic and environmental benefits, it is necessar
Externí odkaz:
https://doaj.org/article/7caf0aed46a54df4905261e4aeef3828
Publikováno v:
Materiales de Construccion, Vol 74, Iss 354 (2024)
This study explores the efficacy of Recycled Fine Powder (RFP) derived from construction and demolition waste as a sustainable substitute for Ordinary Portland Cement (OPC) as a Calcium (Ca) source in geopolymer mortar. Fresh properties of Geopolymer
Externí odkaz:
https://doaj.org/article/ccfee66ae0c7462eb8dea01ce3e31aa7
Autor:
Zhiguo Zhang, Haoran Li
Publikováno v:
Applied Sciences, Vol 14, Iss 17, p 7511 (2024)
High-performance concrete (HPC) is commonly used in the main structures of bridges. HPC is widely applied in the main structures of bridges, yet some skepticism remains with integrating fly ash and mineral powder as admixtures into prestressed HPC br
Externí odkaz:
https://doaj.org/article/0341eac6245b4489802972372e27b25b
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 89, Iss 924, Pp 23-00031-23-00031 (2023)
PTFE is often used in various fields because of its excellent properties such as low coefficient of friction, heat resistance, and chemical resistance. On the other hand, non-granulated fine powder of PTFE agglomerates easily and tends to fibrillate,
Externí odkaz:
https://doaj.org/article/163ec8ff50644229a27186d6383c9f65
Publikováno v:
Frontiers in Materials, Vol 10 (2023)
The physical and mechanical properties of recycled aggregates (RA) among different particle sizes are compared. Results demonstrate that adhesive mortar content is a significant factor in determining the properties of recycled aggregate concrete (RAC
Externí odkaz:
https://doaj.org/article/3f9d45c1b91741dd982d59369b36a8eb
Publikováno v:
Buildings, Vol 14, Iss 3, p 592 (2024)
The hydration mechanism and strength development of alkaline salt-activated cementitious materials primarily rely on the alkaline activators and mineral admixtures employed. However, the impact of increased Mg2+, Al3+, and Si4+ resulting from the add
Externí odkaz:
https://doaj.org/article/691a0d108be246eda857aa792ccba4e0
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