Magnesium and calcium silicate hydrates, Part I: Investigation of the possible magnesium incorporation in calcium silicate hydrate (C-S-H) and of the calcium in magnesium silicate hydrate (M-S-H)
Sign Up to like & getrecommendations! Published in 2018 at "Applied Geochemistry"
DOI: 10.1016/j.apgeochem.2017.12.005
Abstract: Abstract Calcium silicate hydrate (C-S-H) and magnesium silicate hydrate (M-S-H) have been described as two separate phases. This work investigates their stability domains and the possible uptake of small amounts of magnesium by C-S-H or,… read more here.
Keywords: calcium; magnesium; calcium silicate; silicate hydrate ... See more keywords
Young's modulus and creep of calcium-silicate-hydrate compacts measured by microindentation
Sign Up to like & getrecommendations! Published in 2020 at "Cement and Concrete Research"
DOI: 10.1016/j.cemconres.2020.106104
Abstract: Abstract In this paper, compacts of synthetic calcium silicate hydrate (C-S-H) with 0.8–1.5 calcium-to‑silicon ratio (Ca/Si) and 30–80% porosity were prepared by one-direction cold pressing. The Young's modulus and the creep of C-S-H compacts were… read more here.
Keywords: young modulus; modulus creep; compacts measured; calcium silicate ... See more keywords
Influence of drying conditions on the contact-hardening behaviours of calcium silicate hydrate powder
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DOI: 10.1016/j.conbuildmat.2017.01.037
Abstract: Contact-hardening is a new type of binding property for amorphous calcium silicate hydrate (C-S-H) with which a hardened specimen can be prepared in a few minutes by compressing C-S-H powders directly. However, the relation between… read more here.
Keywords: hardening behaviours; drying conditions; calcium silicate; contact hardening ... See more keywords
Loading history dependence of retardation time of calcium-silicate-hydrate
Sign Up to like & getrecommendations! Published in 2017 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2017.04.183
Abstract: Abstract Calcium-silicate-hydrate (C-S-H) exhibits a viscous effect, which significantly affects long-term deformation of concrete. In this study, treated cement pastes are examined to investigate the viscous effect of C-S-H. Creep experiments are performed by the… read more here.
Keywords: loading history; calcium silicate; retardation time; silicate hydrate ... See more keywords
Template-assisted facile synthesis and characterization of hollow calcium silicate hydrate particles for use as reflective materials
Sign Up to like & getrecommendations! Published in 2018 at "Materials Research Bulletin"
DOI: 10.1016/j.materresbull.2017.09.027
Abstract: Abstract This work reports on the synthesis of hollow particles of amorphous calcium silicate hydrate (C-S-H). A template-assisted synthesis involving skimmed natural rubber latex, sodium silicate and a calcium source (calcium nitrate and calcium hydroxide… read more here.
Keywords: synthesis; hollow; calcium; calcium silicate ... See more keywords
Hydration kinetics of tricalcium silicate with the presence of portlandite and calcium silicate hydrate
Sign Up to like & getrecommendations! Published in 2019 at "Thermochimica Acta"
DOI: 10.1016/j.tca.2019.178398
Abstract: Abstract This work was designed to investigate the hydration kinetics of C3S with portlandite and calcium silicate hydrate (C-S-H). The hydration heat, T2 relaxation time and XRD of hydration products were determined to evaluate the… read more here.
Keywords: portlandite calcium; hydration products; hydration kinetics; hydration ... See more keywords
The Atomic-Level Structure of Cementitious Calcium Aluminate Silicate Hydrate.
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DOI: 10.1021/jacs.0c02988
Abstract: Despite use of blended cements containing significant amounts of aluminum for over thirty years, the structural nature of aluminum in the main hydration product, calcium aluminate silicate hydrate (C-A-S-H), remains elusive. Using first principles calculations,… read more here.
Keywords: silicate; aluminate silicate; calcium; calcium aluminate ... See more keywords
Atomic-Level Structure of Zinc-Modified Cementitious Calcium Silicate Hydrate
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.2c06749
Abstract: It has recently been demonstrated that the addition of zinc can enhance the mechanical strength of tricalcium silicates (C3S) upon hydration, but the structure of the main hydration product of cement, calcium silicate hydrate (C-S-H),… read more here.
Keywords: structure; zinc; calcium silicate; silicate hydrate ... See more keywords
Cm(III) retention by calcium silicate hydrate (C-S-H) gel and secondary alteration phases in carbonate solutions with high ionic strength: A site-selective TRLFS study
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DOI: 10.1038/s41598-019-50402-x
Abstract: We studied the Cm(III) retention by calcium silicate hydrate (C-S-H), portlandite (Ca(OH)2) and their alteration products calcite, vaterite, and aragonite in high ionic strength carbonate-containing solutions representing specific formation waters. For this, we synthesized C-S-H… read more here.
Keywords: iii; retention calcium; iii retention; calcium ... See more keywords
Mechanism of molecular interaction of acrylate-polyethylene glycol acrylate copolymers with calcium silicate hydrate surfaces
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DOI: 10.1039/c9gc03287h
Abstract: Obtaining insights into the adsorption and assembly of polyelectrolytes on chemically variable calcium silicate hydrate (C-S-H) surfaces at the atomic scale has been a longstanding challenge in the chemistry of sustainable building materials and mineral–polymer… read more here.
Keywords: acrylate; glycol acrylate; hydrate surfaces; chemistry ... See more keywords
Fly ash derived calcium silicate hydrate as a highly efficient and fast adsorbent for Cu(ii) ions: role of copolymer functionalization
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DOI: 10.1039/d2ra03007a
Abstract: The environmental issues caused by heavy metal accumulation from polluted water are becoming serious and threaten human health and the ecosystem. The adsorption technology represented by calcium silicate hydrate has attracted much attention, but suffers… read more here.
Keywords: calcium silicate; adsorption; spectroscopy; silicate hydrate ... See more keywords