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Properties of Alkali Activated Slag Concrete
Chemical Engineering Transactions, 2017 In order to study the effect of fiber and fly ash on the performance of alkali activated slag concrete, the effect of different fiber and fly ash content on the performance and mechanical properties of alkali activated slag concrete is analyzed and ...
Xiaohui Zhu
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Alternative concrete based on alkali-activated slag
Materiales de Construccion, 2008 This article reports the results of related to on the performance of concrete made with waterglass (Na2SiO3•nH2O + NaOH)-activated Colombian granulated blast furnace slag.
E. Rodríguez +3 more
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Alkali-activated slag concrete with paper industry waste [PDF]
Waste Management & Research: The Journal for a Sustainable Circular Economy, 2021 Pulp and paper manufacturing and recycling industries are a resource-intensive sector, generating 25–40% of the annual municipal solid waste worldwide. Waste includes abundant volumes of paper sludge, as well as the product of its incineration, namely paper sludge ash. These two waste materials are both predominantly landfilled.
Maria Mavroulidou, Shamil Shah
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Properties of Alkali-Activated Slag Cement Activated by Weakly Alkaline Activator. [PDF]
Materials (Basel), 2023 Sodium sulfate (Na2SO4) and sodium carbonate (Na2CO3) are weakly alkaline activators. Alkali-activated slag (AAS) cement prepared with them shows the special advantages of long setting time and low shrinkage, but it shows slow development of mechanical properties.
He J +5 more
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Activator Anion Influences the Nanostructure of Alkali-Activated Slag Cements [PDF]
The Journal of Physical Chemistry C, 2021 Alkali-activated materials are promising low-carbon alternatives to Portland cement; however, there remains an absence of a fundamental understanding of the effect of different activator types on their reaction products at the atomic scale. Solid-state 27Al and 29Si magic angle spinning (MAS) nuclear magnetic resonance (NMR) spectroscopy and 1H–29Si ...
Walkley, B. +3 more
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Dry powder alkali-activated slag cements [PDF]
Advances in Cement Research, 2015 This paper reports on the results of an investigation into the possibility of producing dry powder alkali-activated slag cements as a ready-to-use product which can be packed in bags and mixed with water to produce a concrete. The cements were produced using a neutral granulated blast-furnace slag and sodium carbonate.
Kovtun, Maxim +2 more
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Mechanism of Alkali‐Activated Copper‐Nickel Slag Material [PDF]
Advances in Civil Engineering, 2020 A copper‐nickel slag‐based alkali‐activated cementing material (CNSCM) for backfilling was prepared using copper‐nickel slag as a raw material and sodium silicate (SS) as an activating agent. The effects of SS content (6%, 8%, and 10%) and curing humidity on the compressive strength of CNSCM were investigated using an electronic universal testing ...
Tingting Zhang +6 more
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Alkali Activation of Metallurgical Slags: Reactivity, Chemical Behavior, and Environmental Assessment [PDF]
Materials, 2021 Alkali-activated materials (AAMs) represent a promising alternative to conventional building materials and ceramics. Being produced in large amounts as aluminosilicate-rich secondary products, such as slags, they can be utilized for the formulation of AAMs.
Isabella Lancellotti +5 more
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External Sulphate Attack on Alkali-Activated Slag and Slag/Fly Ash Concrete [PDF]
Buildings, 2022 Two types of alkali-activated material (AAM) concretes were exposed to various sulphate bearing-solutions for over two years. Physical changes to the concrete specimen and chemical changes in the exposure liquid were studied in an attempt to understand how sulphate attack occurs in such binders and the role the mix variables play in offering resistance
Dali Bondar, Sreejith Nanukuttan
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Supercritical CO2-Induced Evolution of Alkali-Activated Slag Cements. [PDF]
Materials (Basel), 2022 The phase changes in alkali-activated slag samples when exposed to supercritical carbonation were evaluated. Ground granulated blast furnace slag was activated with five different activators. The NaOH, Na2SiO3, CaO, Na2SO4, and MgO were used as activators.
Reddy KC +7 more
europepmc +3 more sources