Gels, 2022 Sand, stone, tailings and other aggregates often contain a small amount of clay mineral and their hydration activity is low, thereby lowering concrete performance indexes while negatively affecting their resource utilisation. In this study, clay minerals,
Siqi Zhang +5 more
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Spectroscopic evaluation of UVI–cement mineral interactions: ettringite and hydrotalcite
Journal of Synchrotron Radiation, 2022 Portland cement based grouts used for radioactive waste immobilization contain high replacement levels of supplementary cementitious materials, including blast-furnace slag and fly ash.
Antonia S. Yorkshire +8 more
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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
Buildings, 2023 Compared with polymer-modified ordinary-Portland-cement-based materials, research on cement materials based on polymer-modified sulfoaluminate is still in the preliminary stage and lacks an understanding of the mechanism of the interaction interface. The
Liwei Zhang, Heping Zheng, Huilin Xie
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Structuration Investigation of Fast - Setting Self Leveling Underlayment Based on Ettringite Binder [PDF]
Archives of Civil Engineering, 2021 Self – Levelling Underlayment (SLU) is one of the high-performance new materials used in the construction industry. Besides the strength, other characteristics of SLU such as workability, rapid drying, rapid hardening, shrinkage compensation, smooth ...
Lam Ngoc Nguen
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Long-term strength and porosity of mortars based on ettringite binder
Magazine of Civil Engineering, 2023 Ettringite binder is widely used in mortars for technical applications such as patching mortars, self-leveling screeds, repair mortars thanks to their fast hardening ability and high early strength.
Nguyen Ngoc Lam +2 more
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A Scanning Transmission X-ray Microscopy Study of Cubic and Orthorhombic C₃A and Their Hydration Products in the Presence of Gypsum. [PDF]
, 2016 This paper shows the microstructural differences and phase characterization of pure phases and hydrated products of the cubic and orthorhombic (Na-doped) polymorphs of tricalcium aluminate (C₃A), which are commonly found in traditional Portland cements ...
Chae, Sejung Rosie +5 more
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Effect of Alkaline Salts on Calcium Sulfoaluminate Cement Hydration
Molecules, 2021 This work analyzes the effect of the presence of 5 wt.% of solid sodium salts (Na2SO4, Na2CO3, and Na2SiO3) on calcium sulfoaluminate cement (CSA) hydration, addresses hydration kinetics; 2-, 28-, and 90-d mechanical strength, and reaction product ...
Luís Urbano D. Tambara Júnior +5 more
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Factors Influencing the Electrical Properties of Ettringite Binders as Repair Materials [PDF]
MATEC Web of Conferences, 2022 Ettringite binders are increasingly being used as rapid-repair materials to extend the service-life of reinforced concrete where rebar corrosion has caused deterioration and spalling.
Tuinukuafe Atolo +3 more
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Deterioration of Mortar Bars Using Binary and Ternary Mixtures Immersed in Sodium Sulfate Solutions
Ceramics, 2022 In this study, the performance of several binary and ternary mixtures containing high-calcium fly ash and other pozzolans, such as Class F fly ash and silica fume, were investigated for their sulfate resistance using different sodium sulfate solutions ...
Federico Aguayo, Mehrab Nodehi
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