Shrinkage mechanisms and shrinkage-mitigating strategies of alkali-activated slag composites: A critical review

B Zhang, H Zhu, Y Cheng, GF Huseien… - Construction and Building …, 2022 - Elsevier
Alkali-activated binders are considered as promising alternatives for ordinary Portland
cement (OPC) binders due to their positive environmental effects and excellent mechanical …

[HTML][HTML] One part alkali activated materials: A state-of-the-art review

M Elzeadani, DV Bompa, AY Elghazouli - Journal of Building Engineering, 2022 - Elsevier
This article assesses the state-of-the-art for research on one-part alkali-activated materials,
with particular emphasis on recent work dealing with the constituent materials, preparation …

A review on shrinkage-reducing methods and mechanisms of alkali-activated/geopolymer systems: Effects of chemical additives

B Zhang, H Zhu, P Feng, P Zhang - Journal of Building Engineering, 2022 - Elsevier
Alkali-activated binders or geopolymers are identified as an ideal substitute for ordinary
Portland cement (OPC) binders because of their outstanding mechanical characteristics and …

Beyond time: Enhancing corrosion resistance of geopolymer concrete and BFRP bars in seawater

Z Chen, J Yu, Y Nong, Y Yang, H Zhang, Y Tang - Composite Structures, 2023 - Elsevier
To improve the durability of Basalt fiber reinforced polymer (BFRP) bars reinforced
geopolymer concrete (GPC), it is important to study the time-dependent variation of the …

Understanding the changes in engineering behaviors and microstructure of FA-GBFS based geopolymer paste with addition of silica fume

Y Zhang, H Liu, T Ma, G Gu, C Chen, J Hu - Journal of Building …, 2023 - Elsevier
Geopolymers are attracting attention as a new green cementitious material. However, the
severe early drying shrinkage deformation of geopolymers limits the use of geopolymer …

The microstructure and mechanical properties of cementless ultra-high-performance alkali activated concrete considering geometrical properties of steel fiber

SW Lee, GW Kim, T Oh, I You, X Wang… - Cement and Concrete …, 2023 - Elsevier
This study investigates the impact of steel fiber geometrical properties on the interfacial bond
and tensile behavior of ultra-high-performance alkali activated concrete (UHP-AAC). Two …

Experimental comparisons between one-part and normal (two-part) alkali-activated slag binders

J Ren, H Sun, Q Li, Z Li, L Ling, X Zhang… - … and Building Materials, 2021 - Elsevier
One-part alkali-activated slag (AAS) binders are more promising in large-scale constructions
because one-part mixing procedure is safer and easier to handle compared to normal two …

Mechanical and autogenous healing properties of high-strength and ultra-ductility engineered geopolymer composites reinforced by PE-PVA hybrid fibers

HH Nguyễn, PH Nguyễn, QH Lương, W Meng… - Cement and Concrete …, 2023 - Elsevier
This study introduces high-strength and ultra-ductility engineered geopolymer composites
(HSUD-EGCs). Four HSUD-EGC mixtures were designed and prepared using slag blended …

Effect of Ca/Si ratio on the characteristics of alkali-activated ultra-high performance concrete (A-UHPC): from hydration kinetics to microscopic structure development

MX Fan, FX Chen, XY Zhang, RK Wang, R Yu - Construction and Building …, 2023 - Elsevier
Ultra-high performance concrete (UHPC) produces higher carbon emissions than ordinary
concrete. To achieve sustainable development of UHPC, this article explores the use of …

Long-term strength development of fly ash-based one-part alkali-activated binders

S Haruna, BS Mohammed, MMA Wahab, MU Kankia… - Materials, 2021 - mdpi.com
This research aims to study the effect of the dosage of anhydrous sodium metasilicate
activator on the long-term properties of fly ash-based one-part alkali-activated binders …