Zobrazeno 1 - 10
of 2 117
pro vyhledávání: '"alkali-activated materials"'
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
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
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract These days, the construction industry is facing sustainability issues, leading to the selection of greener, low-carbon, alkali-activated materials. This study examines a low calcium alkali activated system composed of three constituents (cer
Externí odkaz:
https://doaj.org/article/a1623f29fd8841baaf2332827c7fba4c
Publikováno v:
Journal of CO2 Utilization, Vol 88, Iss , Pp 102948- (2024)
In this study, the influence of the silica modulus of alkaline activators on the overall performances of pure fly ash (FA)-based High-Strength Engineered/Strain-Hardening Geopolymer Composites (HS-EGC/SHGC) was comprehensively studied. The developed
Externí odkaz:
https://doaj.org/article/2c7ad888223a4a0094d037771f09f796
Publikováno v:
Developments in the Built Environment, Vol 20, Iss , Pp 100554- (2024)
The utilization of waste rubber as aggregates shows both environmentally friendly features and high cost-efficiency in construction, but may cause poor workability such as rubber flotation and agglomeration. To address the above issues, the pelletiza
Externí odkaz:
https://doaj.org/article/8b2d13223d80477d96e28d483190e264
Autor:
Ivo de Castro Carvalho, Gabrielli Tápia de Oliveira, Ana Paula Kirchheim, Heloina Nogueira da Costa, Antônio Eduardo Bezerra Cabral
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03681- (2024)
The utilization of waste and by-products as precursors in alkali-activated materials has great importance in the reduction of environmental pollution on slopes, landfills, and highways. Properties studies of alkali-activated mixtures using red cerami
Externí odkaz:
https://doaj.org/article/c33203642a3a4c26b01c4d4e496adcfd
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03659- (2024)
This study evaluated the effects of various Mg-based admixtures, including magnesium oxide (MgO), layered double hydroxides (LDH), and calcined layered double hydroxides (CLDH), on the chloride resistance of alkali-activated fly ash-slag (AAFS) morta
Externí odkaz:
https://doaj.org/article/a464166cb0444c838ecd239ac17a765c