Recent advances in slag-based binder and chemical activators derived from industrial by-products–A review

CB Cheah, LE Tan, M Ramli - Construction and Building Materials, 2021 - Elsevier
Abstract The use of Ground Granulated Blast Furnace Slag (GGBFS) as binder for concrete
had been reviewed extensively in previous reviews. However, the influence of various types …

Philosophy of rational mixture proportioning of alkali-activated materials validated by the hydration kinetics of alkali-activated slag and its microstructure

V Bílek Jr, R Novotný, J Koplík, M Kadlec… - Cement and Concrete …, 2023 - Elsevier
There are many highly variable approaches to mix proportioning of alkali-activated materials
(AAMs), which considerably contribute to their great complexity and often incomparability of …

Mechanical and microstructural characterization of alkali sulfate activated high volume fly ash binders

A Dakhane, S Tweedley, S Kailas, R Marzke… - Materials & Design, 2017 - Elsevier
This paper presents a detailed characterization of cementitious blends containing high
volumes of fly ash, activated using pH-neutral alkali sulfates. It is shown that this …

Structural build-up and breakdown of alkali-activated slag pastes with different order of lignosulfonate and activator addition

V Bílek, L Kalina, R Novotný - Construction and Building Materials, 2023 - Elsevier
One of the crucial issues of alkali-activated materials is the application of conventional
plasticizers. Lignosulfonate plasticizer (LS) works well for sodium hydroxide-activated slag …

Alkali activated slag binder: effect of cations from silicate activators

R Tänzer, Y Jin, D Stephan - Materials and Structures, 2017 - Springer
Two blast furnace slags were activated by alkali hydroxide and alkali silicate solutions
possessing different modulus (0.5, 1 and 2), as well as cations (sodium and potassium) …

A Comparison of the Effect of Activator Cations (Sodium and Potassium) on the Fresh and Hardened Properties of Mine Tailing-Slag Binders

S Surehali, A Simon, RK Ramasamy… - Construction Materials, 2023 - mdpi.com
This study develops alkali-activated mine tailing (MT)-based binders containing MT as the
major source material and slag (S) as a minor additive, using alkaline activators containing …

Time, temperature, and cationic dependence of alkali activation of slag: insights from Fourier transform infrared spectroscopy and spectral deconvolution

A Dakhane, SB Madavarapu, R Marzke… - Applied …, 2017 - journals.sagepub.com
The use of waste/by-product materials, such as slag or fly ash, activated using alkaline
agents to create binding materials for construction applications (in lieu of portland cement) is …

The effects of calcium formate on the early hydration of alkali silicate activated slag

Y Jin, D Stephan, Z Lu - Materials and Structures, 2019 - Springer
Alkali silicate activated slag (AAS) most commonly develops high strength, but is usually
accompanied by fast setting. In this study, slag was activated by a potassium silicate solution …

Activating effect of potassium silicate solution in low portland cement binder

L Zhao, X Ma, S Song, P You, H Wu - Construction and Building Materials, 2022 - Elsevier
Sodium silicate solution is usually used as an activating agent of alkali activated material,
but easily cause efflorescence and large expansion. Potassium silicate solution (PSS) has …

Correlating Hydration of Alkali-Activated Slag Modified by Organic Additives to the Evolution of Its Properties

V Bílek Jr, L Kalina, R Dvořák, R Novotný, J Švec… - Materials, 2023 - mdpi.com
This study investigates the relationships between the hydration kinetics of waterglass-
activated slag and the development of its physical-mechanical properties, as well as its color …