Results 31 to 40 of about 23,149 (209)

Self-Heating Ability of Geopolymers Enhanced by Carbon Black Admixtures at Different Voltage Loads [PDF]

open access: yes, 2019
Sustainable development in the construction industry can be achieved by the design of multifunctional materials with good mechanical properties, durability, and reasonable environmental impacts.
Fiala L.   +4 more
core   +1 more source

Investigating of Mechanical Properties of Mortars Based on Fly Ash and Blast Furnace Slag Activated with Alkali [PDF]

open access: yes, 2017
Alkali activated mortars obtained from granulated blast furnace slag and fly ash were used instead of Portland cement by activating with alkali. Sodium silicate and sodium hydroxide were activated blast furnace slag and fly ash.
Filazi, A. (Ahmet)   +3 more
core   +1 more source

Influence of different sources of coal gangue used as aluminosilicate powder on the mechanical properties and microstructure of alkali-activated cement

open access: yesMateriales de Construccion, 2019
Coal mining wastes are associated with serious environmental problems; they have potential as building materials, including alkali-activated cement.
B. J. Frasson   +2 more
doaj   +1 more source

Multi-scale analysis on soil improved by alkali activated binders [PDF]

open access: yesE3S Web of Conferences, 2019
In the present paper, the use of alkali activated binders to improve engineering properties of clayey soils is presented as an alternative to traditional binders such as lime or cement.
Vitale Enza   +2 more
doaj   +1 more source

Changes in the rate of ion penetration of alternative cementitious materials with time

open access: yesMaterials & Design, 2021
A major concern with concrete durability is the penetration of ions that cause deterioration. One concern about alternative cementitious materials (ACMs) is the lack of information regarding their long-term resistance to ion penetration.
Amir Behravan   +3 more
doaj   +1 more source

Alkali-activated binders: a review: part 2. About materials and binders manufacture [PDF]

open access: yes, 2008
This paper summarizes current knowledge about alkali-activated binders, by reviewing previously published work. As it is shown in Part 1, alkali-activated binders have emerged as an alternative to (ordinary Portland cement) OPC binders, which seem to ...
Gomes, J. P. Castro   +2 more
core   +1 more source

Low CO2 emission cement from alkali-activated gravel wash mud and quartzite dust [PDF]

open access: yesMATEC Web of Conferences
High CO2 emissions and rising energy costs result in an increasing demand for innovative, environmentally friendly and energy-efficient construction materials. Gravel wash mud (GWM) is a widely available industrial by-product from gravel mining which may
Kukemilks Karlis, Wagner Jean-Frank
doaj   +1 more source

Bioactive glass-ceramic scaffolds from novel 'inorganic gel casting' and sinter-crystallization [PDF]

open access: yes, 2017
Highly porous wollastonite-diopside glass-ceramics have been successfully obtained by a new gel-casting technique. The gelation of an aqueous slurry of glass powders was not achieved according to the polymerization of an organic monomer, but as the ...
Bernardo, Enrico   +5 more
core   +2 more sources

Assessment of the Corrosion of Steel Embedded in an Alkali-Activated Hybrid Concrete Exposed to Chlorides

open access: yesMolecules, 2022
Hybrid alkali-activated cements (HAACs), also known as cements with high percentages of alkali-activated supplementary materials, are alternative cements that combine the advantages of ordinary Portland cement (OPC) and alkali-activated systems.
William Valencia-Saavedra   +2 more
doaj   +1 more source

Alkali-Activated Cement-Based Binders (AACBs) as durable and cost-competitive low-CO2 binder materials: some shortcomings that need to be adressed [PDF]

open access: yes, 2017
Available online 14 October 2016.The production of 1 t of ordinary Portland cement generates 0.55 t of chemical CO2 and requires an additional 0.39 t of CO2 in fuel emissions for baking and grinding, accounting for a total of 0.94 t of CO2.
Abdollahnejad   +59 more
core   +1 more source

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