Effect of pre-hydrated CAC suspensions on the hydration behavior of CAC pastes

J Zeng, Z Zhang, Y Mu, C Liu, G Ye - Cement and Concrete Composites, 2024 - Elsevier
The relatively low hydration rate of calcium aluminate cement (CAC) at 15–35° C leads to
retarded setting time and reduced production efficiency of CAC-bonded castables. To …

[HTML][HTML] Alkali-activated slag mortar molded by non-stirring molding: compressive strength, hydration properties and microstructures

T Sun, J Fan, G Ouyang, F Xu, Z Wang, W Yin… - Case Studies in …, 2023 - Elsevier
Alkali-activated slag (AAS) characterized by fast hardening and high early strength has
potential application prospects in concrete canvas (CC), where a non-stirring molding …

Study on long-term solidification of all-solid waste cementitious materials based on circulating fluidized bed fly ash, red mud, carbide slag, and fly ash

G Ke, Z Li, H Jiang - Construction and Building Materials, 2024 - Elsevier
Under the condition of not adding external chemical activators, long-term performance-
stable eco-cementitious materials without clinker can be produced through the synergistic …

[HTML][HTML] The influence of low calcium sulfate contents on early calcium aluminate cement–calcite hydration kinetics and pore solution chemistry

P Rost, J Neubauer, F Goetz-Neunhoeffer - Cement and Concrete …, 2024 - Elsevier
A binder mix consisting of CAC, calcite and H 2 O was investigated to clarify the influence of
the addition of low amounts of calcium sulfate in the form of gypsum, hemihydrate or …

The hydration kinetics of cement pastes with deoxyribonucleic acid (DNA)

J Zhang, L Jiang, W Jin, G Yang, L Chen… - Journal of Thermal …, 2023 - Springer
The hydration kinetics of cement pastes with deoxyribonucleic acid (DNA) were studied. And
the hydration products and microstructure of cement pastes were detected by XRD, SEM …

CaCO3 dissolution-driven enhancement of strength and microstructure in clinker-free CaCO3-blended GGBFS binder via hydrated Al2 (SO4) 3

HJ Lyu, J Yu, D Jeon, JE Oh - Construction and Building Materials, 2025 - Elsevier
This study highlights the beneficial impact of hydrated aluminum sulfate (Al 2 (SO 4) 3∙ 14–
18 H 2 O) on strength development and microstructural changes in a CaO-activated ground …

Understanding roles and evaluating reactivity of fly ashes in calcium aluminate binders

SA Ponduru, T Han, J Huang, N Neithalath… - … and Building Materials, 2024 - Elsevier
Calcium aluminate cement (CAC) is an alternative to Portland cement, valued for its superior
early strength and thermal resistance. Partially replacing CAC with Fly ash (FA) can reduce …

Solidification Mechanism of Bayer Red Mud under the Action of Calcium Hydroxide

Z Song, G Ke, P Qin, S Han, X Guo, Z Zhang - Sustainability, 2024 - mdpi.com
Because of the strong alkalinity of red mud, it is difficult to recycle, and the long-term
accumulation of red mud causes environmental pollution. The study shows that the …

Effect of accelerated carbonation on electrical resistivity and microstructure of clinker-slag-limestone cement based concretes

I Elkhaldi, E Roziere, G Villain, A Loukili - Materials and Structures, 2024 - Springer
Low-clinker concretes offer potential for reducing CO2 emissions of concrete and
construction industries. However, it is important to consider the increased risk of corrosion …

[PDF][PDF] Inspecting and Preserving Infrastructure through Robotic Exploration (INSPIRE)

UTC Semi-Annual - 2022 - scholarsmine.mst.edu
Research Objectives To achieve the center's goals, three research objectives of the center
are set: 1. To explore, develop, validate, and demonstrate standardized-integrated …