Results of experimental research showed that the peat additives contribute to improving of cement-sand mortar strength and hydrophysical = supplements (SCMs) as partial replacements for Portland cement clinker. Portland cement consists essentially of compounds of lime (calcium oxide, CaO) mixed with silica (silicon dioxide, SiO2) and alumina (aluminium oxide, Al2O3). In addition, chemicals such as Magnesium Oxide, Calcium. Studies of the structure and composition of the additives are carried out by physicochemical research methods: electron microscopy and X-ray analysis. The main chemical available in cement is Calcium Oxide, Silicon Dioxide, Aluminum Oxide, and Iron Oxide. This work analyzed five different brands of Portland cement in Ghana, namely, Ghacem ordinary Portland cement (OPC) and Portland limestone cement (PLC), CSIR-BRRI Pozzomix, Dangote OPC, and. The properties of organo-mineral additives for cement compositions based on thermally modified peat raw materials are studied. The article discusses the possibility of using local raw materials as a basis for obtaining dry building mixtures components. Thus, the problem of import substitution becomes relevant, especially in recent years, due to difficult economic situation.
It is produced by sintering (fusing together without melting to the point of liquefaction) limestone and aluminosilicate. Clinker occurs as lumps or nodules, usually 3 millimetres (0.12 in) to 25 millimetres (0.98 in) in diameter. The cost of imported modifiers in the composition of the dry building mixes can be up to 90% of the material cost, depending on the composition complexity. Cement clinker is a solid material produced in the manufacture of Portland cement as an intermediary product. Using of foreign modifying additives leads to significant increasing of the final cost of the product. There is insufficient amount of quality additives having stable properties for controlling the properties of cement compositions produced in Russia. High quality competitive dry building mixes require modifying additives for various purposes to be included in their composition.
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