[HTML][HTML] Materials for production of high and ultra-high performance concrete: Review and perspective of possible novel materials

MT Marvila, ARG de Azevedo, PR de Matos… - Materials, 2021 - mdpi.com
This review article proposes the identification and basic concepts of materials that might be
used for the production of high-performance concrete (HPC) and ultra-high-performance …

Review on the impact of metakaolin-based geopolymer's reaction chemistry, nanostructure and factors on its properties

T Jiang, Z Liu, X Tian, J Wu, L Wang - Construction and Building Materials, 2024 - Elsevier
The low carbon footprint and superior properties of geopolymer make it a potentially suitable
alternative to ordinary Portland cement, which has been one of the dominating research …

Effect of silica fume on rheology of slag-fly ash-silica fume-based geopolymer pastes with different activators

Y Liu, C Lu, X Hu, C Shi - Cement and Concrete Research, 2023 - Elsevier
This study examined the effect of silica fume contents on the rheological behavior of slag-fly
ash-silica fume-based geopolymer pastes by packing density measurement, low-field NMR …

New insights into the early-age reaction kinetics of metakaolin geopolymer by 1H low-field NMR and isothermal calorimetry

G Liang, W Yao, A She - Cement and Concrete Composites, 2023 - Elsevier
Early-age reaction kinetics of geopolymers is one of the challenging issues associated to
their mechanical performances and durability. In this work, the early-age reaction of …

Effect of ground concrete waste as green binder on the micro-macro properties of eco-friendly metakaolin-based geopolymer mortar

M Liu, R Hu, Y Zhang, C Wang, Z Ma - Journal of Building Engineering, 2023 - Elsevier
Upcycling of ground concrete waste powder as green binder is an effective and high-value
approach to reducing concrete waste. This study utilized ground concrete waste powder …

[HTML][HTML] Study of acidic degradation of alkali-activated materials using synthetic C-(N)-ASH and NASH gels

Y Wang, Y Cao, Z Zhang, J Huang, P Zhang… - Composites Part B …, 2022 - Elsevier
Alkali-activated materials (AAMs) are usually recognized having better acid resistance
compared to ordinary Portland cement (OPC), however, the detailed mechanism has not …

Intrinsic sulfuric acid resistance of C-(N)-ASH and NASH gels produced by alkali-activation of synthetic calcium aluminosilicate precursors

Y Wang, Y Cao, Z Zhang, P Zhang, Y Ma… - Cement and Concrete …, 2023 - Elsevier
This study investigates the decomposition of alkali-activated materials (AAMs) in sulfuric
acid solution. Four sodium-containing calcium aluminium-substituted silicate hydrate (C-(N) …

Effect of silica fume on the efflorescence, strength, and micro-properties of one-part geopolymer incorporating sewage sludge ash

Q Zhao, C Ma, X Lu, B Huang, Z Chen… - Construction and Building …, 2024 - Elsevier
The application of sewage sludge ash (SSA) in alkali activated cementitious material, ie,
geopolymer, was one of the effective measures to dispose of and recycle the sewage …

3D printed sustainable low-cost materials for construction of affordable social housing in Brazil: Potential, challenges, and research needs

EA de Souza, PHR Borges, T Stengel… - Journal of Building …, 2024 - Elsevier
Abstract 3D Concrete Printing (3DCP) is presented as an important process in the future of
civil engineering, as it accelerates the construction process, reduces labor costs, and …

[HTML][HTML] Insights into alkali and acid-activated volcanic ash-based materials: A review

JNY Djobo, S Tome - Cement and Concrete Composites, 2024 - Elsevier
This review provides a comprehensive study of the fundamentals of the alkaline and acid
activation of volcanic ashes (VA), for mainstreaming their use as a conventional feedstock …