Characterization of ferrochrome ash and blast furnace slag based alkali-activated paste and mortar

T Omur, N Miyan, N Kabay, B Birol, D Oktay - Construction and Building …, 2023 - Elsevier
Ferrochrome ash (FCA) is an industrial waste material which when disposed causes
environmental pollution and health hazard. Therefore, in this paper, FCA replaced up to …

The effect of alkaline activators and sand ratio on the physico-mechanical properties of blast furnace slag based mortars

T Omur, N Kabay, N Miyan, H Özkan… - Journal of Building …, 2022 - Elsevier
Alkali activation of blast furnace slag with sodium silicate (SS) and sodium hydroxide
(NaOH) or potassium hydroxide (KOH) has been extensively studied, however a …

[HTML][HTML] Physical, mechanical and durability properties of eco-friendly engineered geopolymer composites

AM Tahwia, DS Aldulaimi, M Abdellatief, O Youssf - Infrastructures, 2024 - mdpi.com
Engineered geopolymer composite (EGC) is a high-performance material with enhanced
mechanical and durability capabilities. Ground granulated blast furnace slag (GGBFS) and …

Utilization and optimization of unweathered and weathered basic oxygen furnace slag aggregates in cement based mortar

T Omur, N Miyan, N Kabay, H Özkan - Journal of Building Engineering, 2023 - Elsevier
The construction industry has been facing scarcity of natural aggregates due to their higher
utilization in concrete and mortar. The diminution of natural resources and the increasing …

The potential usage of waste ferrochrome slag in alkali-activated mixes

N Miyan, T Omur, N Kabay, B Birol - Journal of Building Engineering, 2023 - Elsevier
Ferrochrome slag (FCS) is a by-product of the stainless-steel industry which is mostly
discarded in landfills without being efficiently utilized. The production of industrial solid …

Characterization of washing aggregate sludge waste as a novel supplementary cementitious material: Experimental study and life cycle assessment

N Miyan, T Omur, S Bilici, H Özkan, N Kabay - Journal of Environmental …, 2024 - Elsevier
Washing aggregate sludge (WAS), a waste collected from aggregate quarries, is examined
for its application as a partial substitute of ordinary portland cement (OPC). The raw WAS …

Reaction kinetics and properties of pumice-based geopolymer systems cured at room temperature

E Küçükyıldırım, H Yorulmaz, U Durak… - … and Building Materials, 2023 - Elsevier
This research investigated the kinetics of pumice-based geopolymer systems and their
physical and mechanical properties. The effect of the Na 2 SiO 3/NaOH ratio of geopolymer …

Properties of cold-bonded and sintered aggregate using washing aggregate sludge and their incorporation in concrete: a promising material

H Özkan, N Kabay, N Miyan - Sustainability, 2022 - mdpi.com
The aggregate makes up about 65–75% of the total volume of concrete and the use of
artificial aggregates manufactured from waste and by-product materials, as an alternative to …

[HTML][HTML] New Zealand pumicite as a precursor in producing alkaline cement with aluminate-based activators

R Kalatehjari, EK Najafi, A Asadi, M Brook - Case Studies in Construction …, 2024 - Elsevier
This study investigates the activation of New Zealand pumicite (pumice powder) using
sodium aluminate (NaAlO₂) solution, both alone and in combination with 10 M KOH …

Mechanical Properties of a Sustainable Low-Carbon Geopolymer Concrete Using a Pumice-Derived Sodium Silicate Solution

J Oti, BO Adeleke, FX Anowie, JM Kinuthia, E Ekwulo - Materials, 2024 - mdpi.com
A geopolymer is an inorganic amorphous cementitious material, emerging as an alternative
sustainable binder for greener concrete production over Ordinary Portland Cement (OPC) …