Advances in understanding cement hydration mechanisms
K Scrivener, A Ouzia, P Juilland… - Cement and Concrete …, 2019 - Elsevier
Progress in understanding hydration mechanisms of alite and Portland cement is reviewed.
Up to the end of the induction period, dissolution rates determined by the undersaturation of …
Up to the end of the induction period, dissolution rates determined by the undersaturation of …
[HTML][HTML] A comprehensive review of CSH empirical and computational models, their applications, and practical aspects
The CSH gel is an elusive material. Its variable composition and disordered nature
complicate a complete characterization of its atomic structure, and the elaboration of models …
complicate a complete characterization of its atomic structure, and the elaboration of models …
Multi-step nucleation pathway of CSH during cement hydration from atomistic simulations
XM Aretxabaleta, J López-Zorrilla, I Etxebarria… - Nature …, 2023 - nature.com
Abstract The Calcium Silicate Hydrate (CSH) nucleation is a crucial step during cement
hydration and determines to a great extent the rheology, microstructure, and properties of …
hydration and determines to a great extent the rheology, microstructure, and properties of …
The atomic-level structure of cementitious calcium silicate hydrate
Efforts to tune the bulk physical properties of concrete are hindered by a lack of knowledge
related to the atomic-level structure and growth of calcium silicate hydrate phases, which …
related to the atomic-level structure and growth of calcium silicate hydrate phases, which …
The atomic-level structure of cementitious calcium aluminate silicate hydrate
A Kunhi Mohamed, P Moutzouri… - Journal of the …, 2020 - ACS Publications
Despite use of blended cements containing significant amounts of aluminum for over 30
years, the structural nature of aluminum in the main hydration product, calcium aluminate …
years, the structural nature of aluminum in the main hydration product, calcium aluminate …
[HTML][HTML] Local structure and Ca/Si ratio in CSH gels from hydration of blends of tricalcium silicate and silica fume
At the microscale, CSH gels from alite, or neat Portland cements, has a Ca/Si ratio close to
1.80. At the nanoscale, CSH is described by a defective tobermorite structure which allows a …
1.80. At the nanoscale, CSH is described by a defective tobermorite structure which allows a …
Multiscale understanding of tricalcium silicate hydration reactions
A Cuesta, JD Zea-Garcia, D Londono-Zuluaga… - Scientific reports, 2018 - nature.com
Tricalcium silicate, the main constituent of Portland cement, hydrates to produce crystalline
calcium hydroxide and calcium-silicate-hydrates (CSH) nanocrystalline gel. This hydration …
calcium hydroxide and calcium-silicate-hydrates (CSH) nanocrystalline gel. This hydration …
Effect of magnesium silicate hydrate (MSH) formation on the local atomic arrangements and mechanical properties of calcium silicate hydrate (CSH): In situ X-ray …
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 …
mechanical properties of CSH. The elastic moduli of the samples were calculated using …
[HTML][HTML] Effective cation exchange capacity of calcium silicate hydrates (CSH)
The binding of alkalis and calcium to calcium silicate hydrate (CSH) can be measured by
cation exchange using cobalt hexamine solution with adapted pH. The effective cation …
cation exchange using cobalt hexamine solution with adapted pH. The effective cation …
Atomic-level and surface structure of calcium silicate hydrate nanofoils
Deciphering the calcium silicate hydrate (CSH) surface is crucial for unraveling the
mechanisms of cement hydration and property development. Experimental observations of …
mechanisms of cement hydration and property development. Experimental observations of …