Durability of high belite cement as new technical solution for concrete

Irico, Sara; Mutke, Sabine; Bertola, Federica; Gastaldi, Daniela; Capelli, Livio; Canonico, Fulvio

doi:10.14311/app.2022.33.0245

Cited by 5 publications

(1 citation statement)

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“…During the durability tests, there was no distortion of the samples and the compressive strengths did not differ from the strengths of the samples stored in the humidity chamber. As many authors [17,18] confirmed, belite based binders show high durability and good resistance against freeze/thaw cycles which might be one of the main advantages of using alternative belite binders instead of conventional cement.…”

Section: Phase S-g 0 S-g LI S-g Cu S-g K S-g Napmentioning

confidence: 96%

Low-temperature synthesis of binder with belite content

Staněk,

Rybová,

Khongová

et al. 2023

J. Phys.: Conf. Ser.

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Sol-gel methods or hydrothermal treatment in combination with low-temperature burning are used for low-temperature syntheses of hydraulically active dicalcium silicate. The paper describes a two-stage preparation process without the use of an autoclave. In the first phase, the precursors of hydraulically active phases are prepared. In the second phase, burning up to 1000 °C takes place to form a C2S-based binder. Unlike commonly used procedures of the sol-gel method, solid raw materials and water are used. The main raw materials are quicklime and a source of SiO2 and then various activators. X-ray diffraction analysis and electron microscopy methods were used for the research. The resulting binders are similar to hydraulic lime, they achieve low initial strengths, the long-term strengths are satisfactory. It is suitable for the preparation of mortars and plaster mixtures.

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Section: Phase S-g 0 S-g LI S-g Cu S-g K S-g Napmentioning

confidence: 96%