Use of Granulated Metallurgy Slag in the Raw Mix for Producing Ceramic Paving Stones: Insights from an Experiment in Kazakhstan

Montayev S.A. Ristavletov R.A. Omarov B.A. Dosov K.Z. Usenkulov Z.A.
2023 Center for Cities, University of Moratuwa

ISVS e-journal
2023 #10 Issue 7 91 - 105 pp.

Ceramic paving stones are some of the frequently used building materials with many applications. Metallurgical slag when used in the production of ceramic pavers obtain high physical and mechanical properties, lead to environmental friendliness of the slag disposal process and save the valuable natural resource.It has been established that an increase in blast-furnace granulated slag up to 35% will transform the ceramic mass into an insensitive mixture. Molded specimens can then be dried at an accelerated rate without cracks. An increase granulated slag upto 35%, also increases the strength of the samples at a firing temperature of 1000°C. This is 1.5 times of minimum slag content.This research examines the raw mixture for the production of ceramic paving stones with the addition of granulated blast-furnace slag. To achieve this goal, experiments were performed on the use of granulated blast-furnace slag as part of the raw mix.This study found that the samples fired at 1000°C, painted slag grains are crystallized by the low-temperature form of wollastonite (CaSiO3). The crystallized slag grains present in the blast-furnace granulated slag is 30-35%. These results will help in the production of ceramic paving stones, and save the exhaustible resources. And also, the results of this work satisfy the problems of the metallurgical industry for the disposal of blast-furnace slag.

Bentonite , Blast-furnace slag , Loam , Microstructure , Physical and mechanical properties , Wollastonite

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Department of Construction and Building Materials, Zhangir Khan West Kazakhstan Agrarian Technical University, Uralsk, Kazakhstan
Center of Additional Education, M. Auezov South Kazakhstan University, Shymkent, Kazakhstan
M. Auezov South Kazakhstan University, Shymkent, Kazakhstan
Department of Construction and Building Materials, M. Auezov South Kazakhstan University, Shymkent, Kazakhstan

Department of Construction and Building Materials
Center of Additional Education
M. Auezov South Kazakhstan University
Department of Construction and Building Materials

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