Geopolymer cement in pavement applications: bridging sustainability and performance

JO Ikotun, GE Aderinto, MM Madirisha, VY Katte - Sustainability, 2024‏ - mdpi.com
Sustainability and the quest for a more robust construction material cannot be divorced from
each other. While Portland cement has revolutionized the construction sector, its …

Mechanical behavior, mineralogy, and microstructure of alkali-activated wastes-based binder for a clayey soil stabilization

MT de Araújo, ST Ferrazzo, HM Chaves… - … and Building Materials, 2023‏ - Elsevier
This paper evaluated the mechanical and microstructural behavior of a clayey soil stabilized
by an alkali-activated binder composed of two residues (sugarcane bagasse ash and …

Stabilization of gold mining tailings with alkali-activated carbide lime and sugarcane bagasse ash

CP dos Santos, GJ Bruschi, JRG Mattos… - Transportation …, 2022‏ - Elsevier
Recent tailings dam failures have attracted special attention to the mining sector. These
incidents pressured the mining industry to develop more secure and sustainable practices …

Compressive strength, durability, and resilient modulus of cement-treated magnetite and hematite iron ore tailings as pavement material

FS Jahanshahi, AR Ghanizadeh - Construction and Building Materials, 2024‏ - Elsevier
The extraction and processing of iron ore produce significant amounts of mine tailings,
causing environmental problems that require storage in reservoirs or dams. Using these …

Mechanical and microstructural properties of iron mining tailings stabilized with alkali-activated binder produced from agro-industrial wastes

WMK Levandoski, ST Ferrazzo, GJ Bruschi… - Scientific Reports, 2023‏ - nature.com
This study evaluated the stabilization of iron ore tailings (IOTs) with an alkali-activated
binder (AAB) produced from sugar cane bagasse ash, hydrated eggshell lime, and sodium …

Metal encapsulation of waste foundry sand stabilized with alkali-activated binder: Batch and column leaching tests

ST Ferrazzo, MT de Araújo, GJ Bruschi, EP Korf… - Journal of …, 2023‏ - Elsevier
Waste stabilization processes are important to add value and reduce environmental risks
related to metal contamination of soils and groundwater. This study evaluated the metal …

Mechanical response of filtered and compacted iron ore tailings with different cementing agents: Focus on tailings-binder mixtures disposal by stacking

S Servi, A Lotero, JPS Silva, C Bastos… - Construction and Building …, 2022‏ - Elsevier
The high volume of mining tailings generated imposes difficulties regarding the final
disposal of these materials, commonly requiring large structures for containment …

Leaching assessment of cemented bauxite tailings through wetting and drying cycles of durability test

GJ Bruschi, CP Dos Santos, WMK Levandoski… - … science and pollution …, 2022‏ - Springer
Disposal of mine tailings can cause negative environmental effects by releasing
contaminants to surface and underground water. Alkali activation is a promising technique …

Strength, mineralogy, microstructure, and statistical analysis of alkali-activated sugarcane bagasse ash–eggshell lime pastes

M Tonini de Araújo, ST Ferrazzo… - Journal of Materials in …, 2023‏ - ascelibrary.org
Portland cement production is an energy-intensive process, and more sustainable
substitutes are needed, eg, alkali-activated binders originated from industrial wastes. Thus …

Evaluation of mechanical and microstructural properties of eggshell lime/rice husk ash alkali-activated cement

FA Ferreira, JM Desir, GES De Lima, LG Pedroti… - … and Building Materials, 2023‏ - Elsevier
Searching for innovative solutions to produce alternative construction materials using
residues is a need to reduce the exploitation of natural resources. Alkali-activated cements …