Multiscale microstructure and micromechanical properties of alkali-activated concrete: A critical review

W Tu, M Zhang - Cement and Concrete Composites, 2024 - Elsevier
With the rapid development of alkali-activated concrete (AAC) as a promising sustainable
concrete, it is vital to thoroughly understand the microstructural characteristics and …

[HTML][HTML] Inner superhydrophobic materials based on waste fly ash: Microstructural morphology of microetching effects

B Pang, H Zheng, Z Jin, D Hou, Y Zhang, X Song… - Composites Part B …, 2024 - Elsevier
Superhydrophobic technology in construction can effectively improve the barrier ability of the
substrate to harmful water-based erosion media, among which the coating scheme is the …

[HTML][HTML] Influence of Si/Al molar ratio and ca content on the performance of fly ash-based geopolymer incorporating waste glass and GGBFS

HL Dinh, J Liu, JH Doh, DEL Ong - Construction and Building Materials, 2024 - Elsevier
This study delved into the utilization of waste glass powder (WGP) and ground granulated
blast-furnace slag (GGBFS) as a binder and waste glass cullet (WGC) fine aggregate in fly …

Synergistic enhancement of converter steelmaking slag, blast furnace slag, Bayer red mud in cementitious materials: Strength, phase composition, and microstructure

W Zhang, X Hao, C Wei, Q Zeng, S Ma, X Liu… - Journal of Building …, 2022 - Elsevier
The dosage of converter steelmaking slag (CSS) is less than 20 wt% in the field of
cementitious materials. This work aims to increase the dosage of CSS in cementitious …

Comparative study on the performance of ultra-fine fly ash prepared by different techniques in Portland cement and alkali-activated material

W Liu, H Zhu, X Wu, Y Wan, W Zheng, H Li - Construction and Building …, 2023 - Elsevier
Ultra-fine fly ash (UFA) prepared using different techniques may exhibit various
characteristics, which will affect their performance as cementitious material. This experiment …

The initial stages of cement hydration at the molecular level

X Xu, C Qi, XM Aretxabaleta, C Ma, D Spagnoli… - Nature …, 2024 - nature.com
Cement hydration is crucial for the strength development of cement-based materials;
however, the mechanism that underlies this complex reaction remains poorly understood at …

[HTML][HTML] Correlation between dissolubilities of Si, Al, and Fe from aluminosilicate precursor and strength of fly ash-based geopolymer

J Liu, JH Doh, DEL Ong, S Wang, Y Yang… - … and Building Materials, 2023 - Elsevier
Fly ash (FA) is the most used aluminosilicate precursor to synthesize geopolymer. However,
as a coal-combustion by-product, the inherent characteristics of FA can be significantly …

Unraveling the cation adsorption of geopolymer binder: A molecular dynamics study

W Zhang, J Li, X Huang, Z Chen, L Lang, K Huang - Chemosphere, 2023 - Elsevier
Geopolymers play a significant role in remediation of heavy metal contamination and are
attracting increasing interests. Sodium aluminosilicate hydrate (NASH) is the prime …

Interfacial characteristics and mechanical behavior of geopolymer stabilizers with clay mineral: A molecular dynamics study

D Wu, K Cao, K Chen, N Mao - Applied Clay Science, 2024 - Elsevier
There is a lack of research on the molecular interactions between clay minerals and
geopolymers at the nanoscale, as well as the interfacial mechanism and mechanical …

Understanding erosion resistance mechanisms of sodium aluminate silicate hydrate in erosion environments: a molecular dynamics study

Q Tang, M Sun, X Lu, D Hou, M Li, P Wang - RSC advances, 2024 - pubs.rsc.org
Sodium-aluminate-silicate-hydrate (NASH) gel, as the primary reaction product stimulated
by alkali in silica-aluminum-rich minerals, influences the mechanical and durability …