Effect of source materials, additives on the mechanical properties and durability of fly ash and fly ash-slag geopolymer mortar: A review

SK John, Y Nadir, K Girija - Construction and Building Materials, 2021 - Elsevier
Geopolymer is a sub-class of alkali activated materials composed of base materials
containing aluminosilicates which can be used for construction with reduced environmental …

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 …

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 …

[HTML][HTML] Shrinkage mitigation, strength enhancement and microstructure improvement of alkali-activated slag/fly ash binders by ultrafine waste concrete powder

G Liang, T Liu, H Li, K Wu - Composites Part B: Engineering, 2022 - Elsevier
The reuse of waste concrete powder (WCP) in the synthesis of alkali-activated binder (AAB)
composites has never been investigated. Herein, this paper reports the study about the …

Development of low-carbon alkali-activated materials solely activated by flue gas residues (FGR) waste from incineration plants

MR Ahmad, CS Das, M Khan, JG Dai - Journal of Cleaner Production, 2023 - Elsevier
Flue gas residues (FGR), a waste from incineration plant was utilized as an alternative
alkaline activator to energy intensive and costly commercial activators. Fly ash (FA) and slag …

Progress, current thinking and challenges in geopolymer foam concrete technology

K Dhasindrakrishna, K Pasupathy… - Cement and Concrete …, 2021 - Elsevier
Geopolymer foam concrete (GFC) has attracted significant research interest in various fields,
thanks to their porous structure which brings the inherent merits of lightweight, acoustic and …

[HTML][HTML] Autogenous shrinkage of alkali-activated slag: A critical review

Z Li, Y Chen, JL Provis, Ö Cizer, G Ye - Cement and Concrete Research, 2023 - Elsevier
This paper provides a critical review on autogenous shrinkage of alkali-activated slag (AAS).
It is reported that AAS paste, mortar, and concrete generally show larger autogenous …

Autogenous shrinkage and hydration property of alkali activated slag pastes containing superabsorbent polymer

D Jiang, X Li, Y Lv, C Li, W Jiang, Z Liu, J Xu… - Cement and Concrete …, 2021 - Elsevier
In this paper, the superabsorbent polymer (SAP) was applied as internal curing agent to
study its effect on the autogenous shrinkage and hydration property of alkali activated slag …

Effects of alkali dosage and silicate modulus on autogenous shrinkage of alkali-activated slag cement paste

W Chen, B Li, J Wang, N Thom - Cement and Concrete Research, 2021 - Elsevier
Autogenous shrinkage of alkali-activated slag cement (AASC) paste prepared with different
levels of alkali dosage and silicate modulus (M s) is investigated. The results show that …

Effect of yield stress development on the foam-stability of aerated geopolymer concrete

K Dhasindrakrishna, K Pasupathy… - Cement and concrete …, 2020 - Elsevier
This study investigates the instability of fresh geopolymer foam concrete (GFC) synthesised
through the pre-foaming technique, particularly at ultra-low densities (430–460 kg/m 3) …