Influence of quartz powder and silica fume on the performance of Portland cement

LRC Tavares, JFT Junior, LM Costa… - Scientific reports, 2020 - nature.com
Supplementary cementitious materials interact chemically and physically with cement,
influencing the formation of hydrate compounds. Many authors have analyzed the filler and …

[HTML][HTML] Waterproof geopolymer composites modified by hydrophobic particles and polydimethylsiloxane

S Ruan, S Chen, J Lu, Q Zeng, Y Liu, D Yan - Composites Part B …, 2022 - Elsevier
Geopolymer is a green porous aluminosilicate material that can be tailored with fillers and
additives to achieve various functions. In this work, waterproof geopolymer composites …

Effect of binder content and recycled concrete aggregate on freeze-thaw and sulfate resistance of GGBFS based geopolymer concretes

Aİ Uğurlu, MB Karakoç, A Özcan - Construction and Building Materials, 2021 - Elsevier
The use of waste materials in concrete production is important because of the recycling of
these materials. In this context, the use of both geopolymer binder and recycled concrete …

Effect of carbonation curing on the physical, mechanical, and microstructural properties of metakaolin-based geopolymer concrete

NAM Beltrame, RL Dias, FB Witzke… - … and Building Materials, 2023 - Elsevier
Carbonation curing can absorb CO 2 and fix it as a carbonate mineral in cementitious
materials. Carbonation curing in Portland cement-based materials has been widely …

Matrix wettability and mechanical properties of geopolymer cement-polydimethylsiloxane (PDMS) hybrids

S Ruan, S Chen, X Zhu, Q Zeng, Y Liu, J Lai… - Cement and Concrete …, 2021 - Elsevier
Geopolymers have attracted attention as green building materials with low carbon dioxide
emissions and excellent mechanical properties. Due to their hydrophilicity and porous …

The effect of micro-SiO2 and micro-Al2O3 additive on the strength properties of ceramic powder-based geopolymer pastes

M Kaya - Journal of Material Cycles and Waste Management, 2022 - Springer
In this study, the effect of micro-SiO 2 (S) and micro-Al 2 O 3 (A) additives on the strength of
geopolymer pastes was investigated. Micro S+ A are added to the raw ceramic powder (CP) …

Short-term improvement of ductile geopolymer composites exposed to magnesium sulfate: Mechanical properties, sorptivity, and mechanisms

Z Deng, Z Deng - Construction and Building Materials, 2023 - Elsevier
Geopolymers are eco-friendly substitutions for cement whose manufacture causes high
carbon emissions and energy consumption. Drying shrinkage and brittleness are common …

Process and mechanisms of multi-stage water sorptivity in hydrophobic geopolymers incorporating polydimethylsiloxane

S Ruan, D Yan, S Chen, F Jiang, W Shi - Cement and Concrete …, 2022 - Elsevier
Geopolymers as emerging green cementitious materials have attracted much attention,
while they can be infiltrated by water involving harmful ions due to their hydrophilic matrix …

Bacterial healing of geopolymer concrete exposed to combined sulfate and freeze-thaw effects

M Ziada, H Tanyildizi, M Uysal - Construction and Building Materials, 2023 - Elsevier
In this study, metakaolin-based colemanite and red mud substituted geopolymer concrete
were exposed to combined sulfate and freezing-thawing effects to simulate the effects of …

Electromagnetic wave absorption properties of red mud-blast furnace slag based geopolymers filled with various wave-absorption materials

T Wang, X Ning, L Yang, F Rao, K Jiang - Construction and Building …, 2023 - Elsevier
In this work, red mud-blast furnace slag (RM-BFS) based geopolymers with excellent
electromagnetic wave absorption property is synthesized through the incorporation of wave …