Rheology of alkali-activated materials: A review

C Lu, Z Zhang, C Shi, N Li, D Jiao, Q Yuan - Cement and Concrete …, 2021 - Elsevier
Many alkali-activated materials (AAMs) exhibit poor workability in mixing owing to great
viscosity of the paste and fast setting. Chemical admixtures commonly used in Portland …

A review on properties of cement-based composites doped with graphene

P Zhang, M Wang, X Han, Y Zheng - Journal of Building Engineering, 2023 - Elsevier
In recent years, due to the higher requirements for mechanical properties and versatility of
cement-based composites (CBC), the research on new materials has become a heat wave …

Effect of fly ash microsphere on the rheology and microstructure of alkali-activated fly ash/slag pastes

T Yang, H Zhu, Z Zhang, X Gao, C Zhang… - Cement and Concrete …, 2018 - Elsevier
The highly viscous property of alkali silicate-activated cements is one of the critical
challenges that hinder their wide application. The present study focuses on ameliorating the …

Rheology control of ultra-high-performance concrete made with different fiber contents

L Teng, W Meng, KH Khayat - Cement and Concrete Research, 2020 - Elsevier
The study aims to improve flexural properties of ultra-high-performance concrete (UHPC)
prepared with different steel fiber volumes by controlling the rheological properties of the …

Degradation mechanisms of natural fiber in the matrix of cement composites

J Wei, C Meyer - Cement and concrete Research, 2015 - Elsevier
The degradation mechanisms of natural fiber in the alkaline and mineral-rich environment of
cement matrix are investigated. Cement hydration is presented to be a crucial factor in …

Effects of adding sugarcane bagasse ash on the properties and durability of concrete

JSA Neto, MJS de França, NS de Amorim Júnior… - … and building materials, 2021 - Elsevier
Ashes from biomass burning, such as from sugarcane bagasse, have great potential as
supplementary cementitious materials. The sugarcane bagasse ash (SCBA) possesses high …

Effect of ultrasonication energy on engineering properties of carbon nanotube reinforced cement pastes

B Zou, SJ Chen, AH Korayem, F Collins, CM Wang… - Carbon, 2015 - Elsevier
Carbon nanotubes (CNTs) are attractive candidates as nanofillers in reinforcing ordinary
Portland cement (OPC) due to their superior mechanical properties. In this study, the …

Effects of the molecular architecture of comb-shaped superplasticizers on their performance in cementitious systems

F Winnefeld, S Becker, J Pakusch, T Götz - Cement and Concrete …, 2007 - Elsevier
The objective of this study is to link the molecular structure of polycarboxylate-ether-type
superplasticizers with the performance of cementitious systems in order to develop new …

[HTML][HTML] Durability of high-performance self-compacted concrete using electric arc furnace slag aggregate and cupola slag powder

I Sosa, C Thomas, JA Polanco, J Setién… - Cement and Concrete …, 2022 - Elsevier
The current trend in the development of self-compacting concrete with sustainable
construction materials has served as a guide to design a novel self-compacting concrete …

Effect of nano-SiO2 and nano-TiO2 addition on the rheological behavior and the hardened properties of cement mortars

L Senff, D Hotza, S Lucas, VM Ferreira… - Materials Science and …, 2012 - Elsevier
This paper reports on the use of nano-SiO2 (nS) and nano-TiO2 (nT) in cement pastes and
mortars. Samples with 0–3wt.% nS, 0–12wt.% nT and 0.5 water/binder weight ratio were …