Phase evolution, micromechanical properties, and morphology of calcium (alumino) silicate hydrates C-(A-) SH under carbonation

R Hay, J Li, K Celik - Cement and Concrete Research, 2022 - Elsevier
The study explored the chemical, micromechanical, and morphological evolution of the
principal binding phases of Portland cement under carbonation. Accelerated carbonation …

Changes on the nanostructure of cementitius calcium silicate hydrates (C–S–H) induced by aqueous carbonation

V Morales-Flórez, N Findling, F Brunet - Journal of Materials Science, 2012 - Springer
The nanostructure of the main binding phase of the hydrated cements, the calcium silicate
hydrates (C–S–H), and their structural changes due to aqueous carbonation have been …

Multi-scale investigation on mechanical behavior and microstructural alteration of CSH in carbonated Alite paste

BJ Zhan, DX Xuan, CS Poon, KL Scrivener - Cement and Concrete …, 2021 - Elsevier
Carbonation treatment is a promising option to enhance recycled concrete aggregate (RCA)
quality and eventually improve concrete performance. This study investigated the multi-scale …

Hydration kinetics and microstructure evolution of NaCl-mixed tricalcium silicate pastes

Y Sun, JX Lu, P Shen, CS Poon - Cement and Concrete Research, 2022 - Elsevier
The hydration kinetics of tricalcium silicate (C 3 S) pastes mixed with different concentrations
of NaCl solutions were investigated by performing isothermal calorimetry tests. At the same …

Synthesis and nano-mechanical characterization of calcium-silicate-hydrate (CSH) made with 1.5 CaO/SiO2 mixture

EM Foley, JJ Kim, MMR Taha - Cement and concrete research, 2012 - Elsevier
In this study, calcium silicate hydrate (CSH) is synthesized and characterized. CSH slurry
was made with calcium oxide (CaO) to micro-silica (SiO2) mixture ratio of 1.5 and enough …

Carbonation behaviors of calcium silicate hydrate (CSH): effects of aluminum

X Liu, P Feng, Y Cai, X Yu, Q Liu - Construction and Building Materials, 2022 - Elsevier
The cement systems containing supplementary cementitious materials (SCMs) usually
present lower resistance to carbonation compared with ordinary Portland cement (OPC) …

Insight into the local CSH structure and its evolution mechanism controlled by curing regime and Ca/Si ratio

Z Wang, Y Chen, L Xu, Z Zhu, Y Zhou, F Pan… - Construction and Building …, 2022 - Elsevier
Calcium silicate hydrate (CSH), as the main hydration product in hardened Portland cement,
significantly affects its mechanical properties and durability. A profound insight into …

Effect of magnesium silicate hydrate (MSH) formation on the local atomic arrangements and mechanical properties of calcium silicate hydrate (CSH): In situ X-ray …

G Kim, S Im, H Jee, H Suh, S Cho, M Kanematsu… - Cement and Concrete …, 2022 - Elsevier
This study explored the effect of MSH formation on the local atomic arrangements and
mechanical properties of CSH. The elastic moduli of the samples were calculated using …

Solubility and structure of calcium silicate hydrate

JJ Chen, JJ Thomas, HFW Taylor… - Cement and concrete …, 2004 - Elsevier
The poorly crystalline calcium silicate hydrate (CSH) phases that form near room
temperature, which include the technically important CSH gel phase formed during the …

Nano-mechanical characterization of synthetic calcium–silicate–hydrate (C–S–H) with varying CaO/SiO2 mixture ratios

JJ Kim, EM Foley, MMR Taha - Cement and Concrete Composites, 2013 - Elsevier
Synthetic calcium silicate hydrate (C–S–H) made with calcium to silicate (C/S) mixture ratios
of 0.9, 1.2 and 1.5 respectively is characterized. C–S–H was produced by extracting calcium …