Methods for the modelling of concrete mesostructures: a critical review

Q Ren, J Pacheco, J de Brito - Construction and Building Materials, 2023‏ - Elsevier
Numerical modelling at the mesoscale is a time-and cost-efficient tool to optimize concrete
mix design and to analyse the phenomenological causes of mechanical failure, eg when …

[HTML][HTML] Advances in rheological measurement and characterization of fresh cement pastes

Y Peng, C Unluer - Powder Technology, 2023‏ - Elsevier
Rheological assessment and characterization of fresh cement pastes play a key role in
designing mixes for a variety of applications, including 3D printing. However, there is …

A contribution to understanding the rheological measurement, yielding mechanism and structural evolution of fresh cemented paste backfill

Z Guo, J Qiu, L Pel, Y Zhao, Q Zhu, JW Kwek… - Cement and Concrete …, 2023‏ - Elsevier
Cemented paste backfill (CPB) is an efficient and sustainable technology for the disposal of
tailings in mining industry. However, the flowability of CPB is not completely clear due to the …

An experimental and numerical investigation of coarse aggregate settlement in fresh concrete under vibration

Y Cai, Q Liu, L Yu, Z Meng, Z Hu, Q Yuan… - Cement and Concrete …, 2021‏ - Elsevier
Fresh concrete needs vibration to compact, fill the mould and reach a dense state. During
the compaction process, coarse aggregates (CAs) tend to settle, affecting the homogeneity …

[HTML][HTML] Early age structural build-up and pore stability in raw foam at ambient conditions: Implications for the final properties of glass-ceramic foam

A Siddika, T Kim, V Sahajwalla… - Construction and Building …, 2024‏ - Elsevier
Alkali activation followed by foaming techniques is an effective method for glass-ceramic
foam development where early-age reactions in the alkali-activated precursors and the …

Impact of polycarboxylate superplasticizers (PCEs) with novel molecular structures on fluidity, rheological behavior and adsorption properties of cement mortar

H Feng, Z Feng, W Wang, Z Deng, B Zheng - Construction and Building …, 2021‏ - Elsevier
Polyether macromonomers have shown diversified structures recently. In this work, a series
of polycarboxylate superplasticizers (PCEs) were synthesized via copolymerization using a …

Influence of the flocculation effect on the rheological properties of cement slurry

C Zhang, R Liu, M Chen, J Li, X Wang, Y Liu, Z Zhu… - Powder Technology, 2022‏ - Elsevier
The rheological properties have an important impact on the migration and diffusion of
cement slurry in grouting reinforcement applications. The microscopic interaction between …

Effect of supplementary cementitious materials on viscosity of cement-based pastes

I Navarrete, Y Kurama, N Escalona, W Brevis… - Cement and Concrete …, 2022‏ - Elsevier
Assessment of viscosity is important for development of new concrete technologies. In this
study, the effect of particle size and type of supplementary cementitious materials (SCM) and …

Observation-informed modeling of artificial neural networks to predict flow and bleeding of cement-based materials

IK Kang, TY Shin, JH Kim - Construction and Building Materials, 2023‏ - Elsevier
Workability of concrete, an essential aspect in construction, determines the efficiency of
pum** and placement processes, as well as the strength and durability properties after …

[HTML][HTML] First step in modeling the flow table test to characterize the rheology of normally vibrated concrete

TY Shin, JH Kim - Cement and Concrete Research, 2022‏ - Elsevier
A precise measurement of the rheological properties of concrete is the first step to
quantitatively evaluate the placing and casting process. Both yield stress and plastic …