Advances in atomistic modeling and understanding of drying shrinkage in cementitious materials

MJA Qomi, L Brochard, T Honorio, I Maruyama… - Cement and Concrete …, 2021 - Elsevier
Despite more than a century of research, drying shrinkage still causes unwanted stresses
and cracks in our concrete infrastructures. This is partly due to the lack of understanding of …

Microstructural changes of young cement paste due to moisture transfer at low air pressures

S Zuo, Q Yuan, T Huang, K Zhang, J Shi… - Cement and Concrete …, 2023 - Elsevier
It has been long recognized that low air pressure (AP) affects the moisture transfer in
concrete, and thus its microstructure and bulk property, but less is known about the …

[HTML][HTML] Does nano basic building-block of CSH exist?–A review of direct morphological observations

Y Yan, G Geng - Materials & Design, 2024 - Elsevier
Despite significant advancements in microstructural characterization methods, the
interconnections between nanostructure and morphological diversity of calcium-silicate …

Covalently bonded AMPS-based copolymerCSH hybrid as a fluid loss additive for oilwell saline cement slurry in UHT environment

H Zhang, M Hu, P Li, M Liu, Y Yu, X Xia, H Liu… - … and Building Materials, 2023 - Elsevier
The organic/inorganic hybrid fluid loss additive PANIsingle bondCsingle bondSsingle
bondH was synthesized to adapt for high salinity cementing at ultrahigh temperatures (UHT …

Early-age deformation of hydrophobized metakaolin-based geopolymers

S Ruan, S Chen, Y Liu, Y Zhang, D Yan… - Cement and Concrete …, 2023 - Elsevier
This study presents a novel strategy to simultaneously mitigate the early-age shrinkage and
achieve hydrophobization of metakaolin-based geopolymer (MKG) pastes through the …

Regulation of oil well cement paste properties by nanoclay: Rheology, suspension stability and hydration process

P Li, M Hu, M Liu, H Zhang, J Zhao, X Xia… - Construction and Building …, 2023 - Elsevier
Enhanced grid reconstruction ability of oil well cement paste has been confirmed as a
promising solution to inhibit particle sedimentation caused by the uncontrolled rheological …

[HTML][HTML] Densifying hydration products of alite by a bio-inspired admixture

Y Fang, J Wang, L Wang, X Qian, X Wang, W Liao… - Materials & Design, 2023 - Elsevier
A bio-inspired, plant-derived polyphenol, tannic acid (TA) was identified as a renewable
admixture to improve the compressive strength of concretes. Aiming to understand the …

Organic cross-linking decreases the thermal conductivity of calcium silicate hydrates

A Moshiri, A Morshedifard, D Stefaniuk… - Cement and Concrete …, 2023 - Elsevier
We study the conductive heat transport through calcium silicate hydrate (CSH) and
organically cross-linked CSH via experiments, micromechanical homogenization theory …

[HTML][HTML] Effect of the superplasticizer addition time on the fresh properties of 3D printed limestone calcined clay cement (LC3) concrete

PR de Matos, T Zat, MM Lima, JSA Neto… - Case Studies in …, 2023 - Elsevier
Although 3D concrete printing (3DCP) is considered one of the most significant innovations
in the construction sector, its large cement consumption remains an environmental concern …

Plastic deformation mechanism of calcium-silicate hydrates determined by deviatoric-stress Raman spectroscopy

DW Gardner, J Li, M Kunz, C Zhu, PJM Monteiro… - Cement and Concrete …, 2021 - Elsevier
Creep of the cement matrix affects the structural stability of concrete. In Portland cements,
the creep is largely controlled by the binding phase calcium-(aluminum-) silicate-hydrate, or …