Abstract
When developing composite binders of a certain functional purpose, it is necessary to rationally select raw materials, taking into account their chemical, mineral and granulometric composition. The use of mechanical activation with the choice of the most suitable grinding unit affects the creation of binder compositions, the functional additives used have a significant impact on the properties of composite binders.
 The article presents the results of obtaining binder compositions of optimal composition based on Portland cement and broken ceramic bricks. Experimental studies of the granulometric composition have been carried out, the results of tests of binder compositions of the compositions: cement – broken ceramic bricks prepared in a mill are given. Compositions of binder compositions with a wide range of use of ceramic cullet waste – brick production waste have been developed and installed.
 Using the method of electron microscopy, the features of the microstructure of chips of cement stones synthesized on the basis of Portland cement and various content of mineral filler – ceramic brick slaughter waste, mechanically activated in a vibration mill, were studied. It is noted that the open pores of cement stone chips, synthesized binders, are densely overgrown with various neoplasms of various sizes.
 It has been established that the microstructure of hydrated binder compositions is marked by a dense structure due to the use of powdered brick cullet, which compact the structure of the composite, and it is also noted that grains of calcium hydrosilicates grow on the mineral particles of the filler, compacting the overall structure of the composite.
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Schedule a callMore From: Bulletin of Belgorod State Technological University named after. V. G. Shukhov
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