Low-firing binders from magnesium containing carbonate raw materials


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This paper presents scientific and experimental data for low-firing hydraulic binders: hydraulic lime and Roman cement based on local mineral raw materials. The binders were prepared by firing representative samples of carbonate–clay magnesian raw materials from Tatarstan. Using X-ray diffraction, we identified the firing products, including a hydraulically active phase, and determined the structural characteristics of its minerals. The compositions of the binders were determined as functions of firing conditions. We examined the influence of the firing temperature and duration of magnesian raw materials in the preparation of binders on MgO activity and demonstrated for the first time the possibility of ensuring an active state of the MgO resulting from firing (up to 21%) and suppressing its negative effect on Roman cement and hydraulic lime hardening processes.

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N. Shelikhov

Kazan State University of Architecture and Civil Engineering

编辑信件的主要联系方式.
Email: ruslan-kgasu@yandex.ru
俄罗斯联邦, Zelenaya ul. 1, Kazan, Tatarstan, 420043

R. Rakhimov

Kazan State University of Architecture and Civil Engineering

Email: ruslan-kgasu@yandex.ru
俄罗斯联邦, Zelenaya ul. 1, Kazan, Tatarstan, 420043

R. Sagdiev

Kazan State University of Architecture and Civil Engineering

Email: ruslan-kgasu@yandex.ru
俄罗斯联邦, Zelenaya ul. 1, Kazan, Tatarstan, 420043

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