基于电厂粉煤灰、方解石和二水石膏的复合机械活化粘结剂

Transactions of the Kоla Science Centre. Series: Natural Sciences and Humanities Pub Date : 2022-12-29 DOI:10.37614/2949-1185.2022.1.2.006

E. Kalinkina, A. Kalinkin, A. Ivanova, E. A. Kruglyak, B. I. Gurevich

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引用次数: 0

摘要

本文介绍了一种机械活化组合物的结合性能研究结果，该组合物包括钙含量增加的磷灰石热电厂的粉煤灰、科夫多尔斯基矿床磷灰石-碳酸盐矿石生产的方解石精矿和天然石膏石。研究发现，根据掺量和养护条件的不同，其组成既具有类似石灰灰的水力粘结剂特征，又具有类似石膏的空气粘结剂特征。

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Composite mechanically activated binders based on power plant fly ash, calcite and two-water gypsum

The paper presents the results of studying the binding properties of a mechanically activated composition including fly ash from the Apatity Thermal Power Plant with increased calcium content, calcite concentrate produced from apatite-carbonatite ores of the Kovdorsky deposit and natural gypsum stone. It was found that the composition, depending on the mixing ratio and curing conditions, displays characteristics of both hydraulic binder similar to lime-ash one and air binder similar to gypsum.

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Transactions of the Kоla Science Centre. Series: Natural Sciences and Humanities

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