Zobrazeno 1 - 10
of 11 758
pro vyhledávání: '"alkali-activated"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-19 (2024)
Abstract This research aims to produce green cement, as an alternative to traditional cement, with outstanding performance. Five alkali-activated cement pastes were fabricated based on NaOH-activation of slag (GGBFS), bypass (B), and/or silica fume (
Externí odkaz:
https://doaj.org/article/ffcf213e458341808b9db2dc338c6f5c
Publikováno v:
Journal of Traffic and Transportation Engineering (English ed. Online), Vol 11, Iss 5, Pp 918-938 (2024)
Geopolymer concrete (GPC) has been developed as a sustainable alternative to traditional cement-based concrete using industrial waste materials. Thus, reducing greenhouse gas emissions in concrete production can be expected. This study employed the l
Externí odkaz:
https://doaj.org/article/f441b7ab0efc48b5b2a4b8b9958fb945
Publikováno v:
Discover Sustainability, Vol 5, Iss 1, Pp 1-12 (2024)
Abstract This paper aimed to investigate the durability of ambient-cured fly ash-phosphogypsum blended geopolymer mortar (GPM) when exposed to a water and sulfate environment at different durations. Water absorption, porosity, and sulfate resistance
Externí odkaz:
https://doaj.org/article/a9da8cfe0c3b4ad085df07674b551a70
Autor:
Roberta Occhipinti, Silvia Portale, Gabriele Lanzafame, Domingo Gimeno, Marko Kudrna Prašek, Paolo Mazzoleni, Germana Barone
Publikováno v:
Volcanica, Vol 7, Iss 2, Pp 717-731 (2024)
The 2021 Tajogaite eruption was marked by intense pyroclastic fallout that covered a substantial portion of La Palma island, with maximum thicknesses in the central-western part. This, combined with lava flows, resulted in widespread damage to public
Externí odkaz:
https://doaj.org/article/638041df6a3d412391e748d7b2973a79
Autor:
Rosnita Mohamed, Rafiza Abd Razak, Mohd Mustafa Al Bakri Abdullah, Shayfull Zamree Abd Rahim, Nurul Aida Mohd Mortar, Liyana Jamaludin, Marcin Nabialek
Publikováno v:
Archives of Civil Engineering, Vol vol. 70, Iss No 3, Pp 473-485 (2024)
Alkali-activated slag has been noted as one of potential alternatives to the ordinary Portland cement due to its properties including high early strength performance and capability of ambient curing. However, there is still limited studies available
Externí odkaz:
https://doaj.org/article/f5690555d7c14f75b4736c29b0b7a2a1
Publikováno v:
Kuangchan zonghe liyong, Vol 45, Iss 4, Pp 182-189 (2024)
This is an article in the field of ceramics and composites. Alkali-activated Slag-fly Ash-based Geopolymer (ASFG) has excellent properties such as high early strength, acid and alkali resistance, but its large brittleness and poor toughness affect it
Externí odkaz:
https://doaj.org/article/1b5d3a7e322641a6b1592ef285930baa
Publikováno v:
Ceramics-Silikáty, Vol 68, Iss 3, Pp 438-443 (2024)
The application of nanotechnologies in alkali-activated materials can significantly improve their performance. In this study, the effects of nano-TiO₂ on the hydration process, hydration products, and microstructure of alkali-activated steel slag -
Externí odkaz:
https://doaj.org/article/f93f448df1f345358cf38569b7cad0a7
Autor:
Matteo Sambucci, Yazeed A. Al-Noaimat, Seyed Mostafa Nouri, Mehdi Chougan, Seyed Hamidreza Ghaffar, Marco Valente
Publikováno v:
Ceramics, Vol 7, Iss 2, Pp 821-839 (2024)
Waste carbon fibers as reinforcing elements in construction materials have recently gained increasing interest from researchers, providing outstanding strength performance and a lower environmental footprint compared to virgin fibers. Combination wit
Externí odkaz:
https://doaj.org/article/2069086e8c3a4664ae482bc6a661fd42