Behaviour of alkali-activated fly ash-slag paste at elevated temperatures: An experimental study

W Tu, G Fang, B Dong, Y Hu, M Zhang - Cement and Concrete Composites, 2024 - Elsevier
As an environmentally friendly material, alkali-activated fly ash-slag (AAFS) is considered as
a promising alternative cement because of its excellent mechanical properties and thermal …

Multiscale study of microstructural evolution in alkali-activated fly ash-slag paste at elevated temperatures

W Tu, G Fang, B Dong, M Zhang - Cement and Concrete Composites, 2023 - Elsevier
To promote the high-temperature application of alkali-activated fly ash-slag (AAFS), it is vital
to thoroughly understand the performance of AAFS at elevated temperatures. This paper …

[HTML][HTML] Behaviour of alkali-activated concrete at elevated temperatures: A critical review

W Tu, M Zhang - Cement and Concrete Composites, 2023 - Elsevier
Alkali-activated concrete (AAC) is recognised as a novel sustainable construction material to
substitute Portland cement concrete with superior thermal and mechanical performance …

Effect of slag, silica fume, and metakaolin on properties and performance of alkali-activated fly ash cured at ambient temperature

H Alanazi, J Hu, YR Kim - Construction and Building Materials, 2019 - Elsevier
Alkali-activated fly ash (AAFA) is usually cured at elevated temperature, which limits its wide
field applications. However, several studies have shown that properties of AAFA cured at …

Dry shrinkage and micro-structure of alkali-activated fly ash/slag pastes incorporated with silane coupling agent modified MWCNTs

F Li, Q Chen, Y Lu, Y Zou, S Li - Cement and Concrete Research, 2024 - Elsevier
In this study, functionalized Multi-Walled Carbon Nanotubes (MWCNTs) grafted with a silane
coupling agent (MS) at concentrations of 0.1%, 0.2%, 0.3%, and 0.4% were used as …

Thermal performance of calcium-rich alkali-activated materials: A microstructural and mechanical study

A Kashani, TD Ngo, B Walkley, P Mendis - Construction and Building …, 2017 - Elsevier
Abstract The effects of Si/Al, Na/Al and water/solids ratios on thermal performance of alkali-
activated materials (AAM) based on fly ash-slag blends are investigated. Higher Na/Al …

The effect of activator concentration on the residual strength of alkali-activated fly ash pastes subjected to thermal load

AM Rashad, SR Zeedan - Construction and Building Materials, 2011 - Elsevier
This investigation reports on a comparative study of the residual compressive strength at
different temperatures of alkali-activated fly ash (AAFA) pastes chemically activated using …

Research on the effect of 60℃ thermal cycling on the properties of alkali-activated fly ash-slag materials: A new perspective

H Ma, C Fu, E Dai, K Huang, S Zhang, J Feng - Construction and Building …, 2024 - Elsevier
A detailed evaluation of alkali-activated fly ash-slag's (AAFS) mechanical and microscopic
behavior characteristics under thermal cycling is crucial for its application in complex high …

Effect of high-temperature on the microstructure of alkali-activated binder

KK Ramagiri, A Kar - Materials Today: Proceedings, 2020 - Elsevier
The current scenario of construction industry highlights the need for development of
sustainable construction materials that provide properties comparable to portland cement …

An application of alkali-activated fly-ash materials with low-compressive strength: Thermal stability at elevated temperatures

DW Zhang, XM Sun, KF Zhao, ZY Xu, H Li - Journal of Building Engineering, 2022 - Elsevier
Herein, alkali-activated fly-ash materials (FA-AAMs) with low-compressive strengths were
employed as thermally stable materials after being exposed to 300, 600, 800, and 1000° C …