Results 71 to 80 of about 17,040 (232)
Sustainable Environment Research, 2019 Ferrochrome (FeCr) slag was used as a precursor for the synthesis of a geopolymer. The effect of KOH concentration, liquid solid ratio (L/S), content of potassium metalisicate (KS) or potassium aluminate (KA), curing time on the unconfined compressive ...
Thabo Falayi
doaj +1 more source
Geopolymer: A Systematic Review of Methodologies
Materials, 2022 The geopolymer concept has gained wide international attention during the last two decades and is now seen as a potential alternative to ordinary Portland cement; however, before full implementation in the national and international standards, the geopolymer concept requires clarity on the commonly used definitions and mix design methodologies.
Jabulani Matsimbe +3 more
openaire +2 more sources
Sustainable Development, EarlyView.ABSTRACT Sustainable Construction Materials (SCM) are crucial for reducing lifecycle emissions in the built environment, yet their adoption remains limited in many developing economies, such as Nigeria. This study investigates how awareness influences the adoption of SCM among professionals in Nigeria's Architecture, Engineering, and Construction (AEC)
Mumini Damilola Osuolale +2 more
wiley +1 more source
Structural Concrete, EarlyView.Abstract Cold weather conditions impose substantial constraints upon the performance and long‐term resilience of concrete materials. Alkali‐activated slag (AAS) presents itself as a promising substitute, exhibiting sustained hydraulic activity even when exposed to ambient conditions characterized by low temperatures.
Zeynep Bahçeci +3 more
wiley +1 more source
Fibre reinforced geopolymer concrete with ambient curing for in-situ applications [PDF]
, 2014 Geopolymer concrete is proven to have excellent engineering properties with a reduced carbon footprint. It not only reduces the greenhouse gas emissions (compared to Portland cement based concrete) but also utilises a large amount of industrial waste ...
Lokuge, Weena +2 more
core +1 more source
Indonesian Journal of Chemistry, 2018 Geopolymer as a Portland cement substitute had been synthesized from alkaline activation of co-combustion residuals of bamboo and kaolin. Types of used alkaline activators were NaOH solution, KOH solution, a mixture of NaOH solution-water glass, and a ...
Aprilina Purbasari +2 more
doaj +1 more source
Infrastructures, 2020 Low-calcium fly ash-based geopolymer concrete is generally reported to be less vulnerable to alkali-silica reaction (ASR) than conventional ordinary Portland cement concrete.
Jiawei Lei, Jiajun Fu, En-Hua Yang
doaj +1 more source
Bacterial healing of cracks in metakaolin‐based geopolymer concrete exposed to high temperatures
Structural Concrete, EarlyView.Abstract This study examined the bacterial healing of metakaolin‐based geopolymer concrete modified with colemanite (K) and red mud (RM) exposed to high temperatures. The metakaolin‐based geopolymer concrete samples modified with 4% K and 6% RM were prepared.
Harun Tanyildizi +3 more
wiley +1 more source
The Chemical Record, EarlyView.Geopolymers are presented as a chemically programmable platform whose properties emerge from activation chemistry, nanoscale disorder, and interfacial design. The review highlights sustainability challenges, the shift toward nanoengineered and hybrid systems, and the rise of halloysite‐based architectures enabling tunable structures across scales for ...
Martina Maria Calvino +4 more
wiley +1 more source
Resistência à flexão e compressão em geopolímero com incorporação de nanotubos de carbono [PDF]
, 2014 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Civil, Florianópolis, 2014O geopolímero é tratado como uma alternativa ao cimento Portland, sendo a menor quantidade de CO2 ...
Goldoni, Alessandro Graeff
core