Dynamic NMR relaxometry as a simple tool for measuring liquid transfers and characterizing surface and structure evolution in porous media

B Maillet, R Sidi-Boulenouar, P Coussot - Langmuir, 2022 - ACS Publications
Porous media containing voids which can be filled with gas and/or liquids are ubiquitous in
our everyday life: soils, wood, bricks, concrete, sponges, and textiles. It is of major interest to …

Absorption-desorption process of internal curing water in ultra-high performance concrete (UHPC) incorporating pumice: From relaxation theory to dynamic migration …

E Dong, R Yu, D Fan, Z Chen, X Ma - Cement and Concrete Composites, 2022 - Elsevier
This study aims to clarify the absorption-desorption process of internal curing water by
pumice in ultra-high-performance concrete (UHPC) system based on relaxation theory. More …

Progress in rheology and hydrodynamics allowed by NMR or MRI techniques

P Coussot - Experiments in Fluids, 2020 - Springer
We review the uses of nuclear magnetic resonance techniques for experiments with fluids.
More precisely we focus on the progress of knowledge in complex flows, rheology of …

Pore-size resolved water vapor adsorption kinetics of white cement mortars as viewed from proton NMR relaxation

C Zhou, F Ren, Q Zeng, L Xiao, W Wang - Cement and Concrete Research, 2018 - Elsevier
The dynamic pore structure of partially saturated cement-based material is rather essential
to quantify its mass transport and many other properties. To clarify the influence of water …

The water kinetics of superabsorbent polymers during cement hydration and internal curing visualized and studied by NMR

D Snoeck, L Pel, N De Belie - Scientific reports, 2017 - nature.com
Abstract SuperAbsorbent Polymers (SAPs) can be applied as an admixture in cementitious
materials. As the polymers are able to swell, they will absorb part of the mixing water and …

Surface area development of Portland cement paste during hydration: Direct comparison with 1H NMR relaxometry and water vapor/nitrogen sorption

R Kurihara, I Maruyama - Cement and Concrete Research, 2022 - Elsevier
The specific surface areas of sealed-cured hardened cement pastes (HCP) were evaluated
during the hydration process using three types of Portland cement and with two different …

Development of Ultra-High Performance Concrete (UHPC) matrix based on recycled concrete fines subjected to coupling curing of microwave and wet carbonation

C Yuan, L Yong, C Ziao, Y Tianyi, Y Rui - Journal of Building Engineering, 2024 - Elsevier
The energy consumption of the wet carbonation method is increased by water bath heating,
which is not conducive to the sustainable development of wet carbonation for Recycled …

The microstructure development during bleeding of cement paste: An NMR study

Y Ji, L Pel, Z Sun - Cement and Concrete Research, 2019 - Elsevier
NMR was applied to investigate the microstructure development of cement paste during
bleeding. In this study, we have measured the void ratio and the T 1 relaxation, reflecting the …

Study on the hydration and moisture transport of white cement containing nanomaterials by using low field nuclear magnetic resonance

A Zhang, W Yang, Y Ge, Y Wang, P Liu - Construction and Building …, 2020 - Elsevier
In order to characterize the hydration and moisture transport process of white cement
containing nano-SiO 2 (NS) and nano-Al 2 O 3 (NA), the transverse relaxation time (T 2) …

Effects of intense ultraviolet irradiation on drying shrinkage and microstructural characteristics of cement mortar

H Wang, G Long, Y Xie, X Zeng, K Ma, R Dong… - … and Building Materials, 2022 - Elsevier
The intense UV irradiation factor in the plateau area is easy to ignore, but it may have
adverse effects on the microstructure and properties of concrete. Theredore, to clarify the …