Materials & Design, 2023 A theoretical model for cement hydration was proposed to study multi-mineral reactive transport processes under various mineral compositions and determine the effect of multi-mineral reactions and interactions on cement hydration kinetics shifting from ...
Yang Liu +5 more
doaj +1 more source
Multiscale understanding of tricalcium silicate hydration reactions [PDF]
, 2017 Tricalcium silicate, the main constituent of Portland cement, hydrates to produce crystalline calcium hydroxide and calcium-silicate-hydrates (C-S-H) nanocrystalline gel. This hydration reaction is poorly understood at the nanoscale.
Cuesta-García, Ana María +8 more
core +4 more sources
Structure, bonding and morphology of hydrothermally synthesised xonotlite [PDF]
, 2009 The authors have systematically investigated the role of synthesis conditions upon the structure and morphology of xonotlite. Starting with a mechanochemically prepared, semicrystalline phase with Ca/Si=1, the authors have prepared a series of xonotlite ...
A. Stumm +19 more
core +1 more source
Quantitative study of hydration of C3S and C2S by thermal analysis. Evolution and composition of C-S-H gels formed [PDF]
, 2010 This research is part of a European project (namely, CODICE project), main objective of which is modelling, at a multi-scale, the evolution of the mechanical performance of non-degraded and degraded cementitious matrices.
A Fernández-Jiménez +32 more
core +3 more sources
Atomic and nano-scale characterization of a 50-year-old hydrated C3S paste [PDF]
, 2015 This paper investigates the atomic and nano-scale structures of a 50-year-old hydrated alite paste. Imaged by TEM, the outer product C-S-H fibers are composed of particles that are 1.5-2 nm thick and several tens of nanometers long.
Bae, S +6 more
core +1 more source
Advances in Mechanical Engineering, 2019 Calcium silicate hydrate seeding is a promising accelerator for cement hydration. In this work, calcium silicate hydrate nanoparticles with various CaO/SiO 2 -ratios were prepared by means of mechanochemical approach.
Boyuan Wang, Wu Yao, Dietmar Stephan
doaj +1 more source
Calcium silicates synthesised from industrial residues with the ability for CO2 sequestration [PDF]
, 2014 This work explored several synthesis routes to obtain calcium silicates from different calcium-rich and silica-rich industrial residues. Larnite, wollastonite and calcium silicate chloride were successfully synthesised with moderate heat treatments below
Esquivias Fedriani, Luis María +4 more
core +1 more source
Workability and durability analysis of waste based geopolymer concrete
Jurnal Ilmiah SINERGI, 2023 GPC as a promising material, started gaining momentous attention from the researchers and construction specialists because of its advantages in using by-products from agriculture and industries to replace cement thereby reducing greenhouse gas emission ...
Lucia Omolayo Agashua +3 more
doaj +1 more source
Rietveld Quantitative Phase Analysis of Oil Well Cement: in Situ Hydration Study at 150 Bars and 150 °C [PDF]
, 2019 Oil and gas well cements are multimineral materials that hydrate under high pressure and temperature. Their overall reactivity at early ages is studied by a number of techniques including through the use of the consistometer.
Cuesta-Garcia, Ana Maria +5 more
core +6 more sources
Investigation of the Incompatibilities of Cement and Superplasticizers and Their Influence on the Rheological Behavior [PDF]
, 2020 The rheological behavior of cement paste and the improvement of its flowability takes center stage in many research projects. An improved flowability can be achieved by the addition of superplasticizers (SP), such as polycarboxylate ethers (PCE).
Jakob, Cordula +4 more
core +2 more sources