Cleaner production of waste-derived alkali activators from industrial and agricultural by-products for sustainable alkali activated binders

SS Kumar, R Rithuparna, R Senthilkumar… - … and Building Materials, 2023 - Elsevier
Alkali activated binders are gaining worldwide acceptance as a sustainable alternative to
conventional cement. Although industrial by-products are utilised as precursors, the …

Effect of waste glass powder on the durability and microstructural properties of fly ash-GGBS based alkali activated concrete containing 100% recycled concrete …

RP Singh, B Mohanty - Construction and Building Materials, 2024 - Elsevier
This research investigates the effective utilization of waste glass powder (WGP) in fly ash
(FA)-ground granulated blast furnace slag (GGBS) based alkali-activated concrete (AAC) …

Alkali activation of waste concrete powder: Effects of alkali type and concentration

S Sasui, G Kim, J Nam, SF Alam, H Eu, Y Lee… - Ceramics …, 2023 - Elsevier
Concrete is a conventional material widely used for decades to build infrastructures.
Consequently, a significant amount of waste concrete is being generated. Alkali activation of …

Physico-mechanical and shielding properties of alkali-activated slag composites incorporating cement clinker aggregate: effect of high temperature and particle size

B Bayrak, A Öz, A Benli, E Kavaz, G Kaplan… - Journal of Building …, 2023 - Elsevier
The purpose of this research was to see how cement clinker aggregates (CCA) and curing
temperature affected the physico-mechanical and shielding properties of alkali-activated …

Effects of waste glass as a sand replacement on the strength and durability of fly ash/GGBS based alkali activated mortar

S Sasui, G Kim, J Nam, A van Riessen… - Ceramics …, 2021 - Elsevier
This study incorporates fine waste glass (GS) as a replacement for natural sand (NS) in fly
ash (FA) and/or ground granulated blast furnace slag (GGBS) based alkali activated mortar …

Effects of waste glass sand on the thermal behavior and strength of fly ash and GGBS based alkali activated mortar exposed to elevated temperature

S Sasui, G Kim, J Nam, A van Riessen… - … and building materials, 2022 - Elsevier
This study investigated the thermal behavior of a series of alkali activated mortars (AAm)
based on blends of fly ash (FA) and ground granulated blast furnace slag (GGBS) …

Chemical and microstructural properties of fly ash and fly ash/slag activated by waste glass-derived sodium silicate

D Bondar, R Vinai - Crystals, 2022 - mdpi.com
Sodium silicate is commonly used for activating alumina silicates to produce alkali-activated
binders that can compete with conventional Portland cement in concrete. However, the cost …

[HTML][HTML] Novel utilization of waste concrete powder in alkali-activated binder

A Yonis, P Vashistha, Y Oinam, M Cyr, S Pyo - Journal of CO2 Utilization, 2024 - Elsevier
This experimental study investigates a novel approach to utilize waste concrete powder
(WCP) in conjunction with metakaolin as a precursor in the production of alkali-activated …

A predictive solution for fracture modeling of alkali-activated slag and fly ash blended sea sand concrete after exposure to elevated temperature

S Yang, J Wang, K Dong, X Zhang, Z Sun - Construction and Building …, 2022 - Elsevier
Because of the heterogeneous and discontinuous properties in concrete, realistic fracture
parameters were hardly obtained rationally based on traditional methods. The material …

Effects of Na2SiO3/NaOH ratio in alkali activator on the microstructure, strength and chloride ingress in fly ash and GGBS based alkali activated concrete

S Sasui, G Kim, A van Riessen, C Lim, H Eu… - Journal of Building …, 2024 - Elsevier
In this study, the impact of alkaline solutions composed of various Na 2 SiO 3/NaOH ratio
and NaOH molarity on the strength, chloride ingress and chloride binding capacity of fly ash …