Abstract
In the construction practice, various concretes are used which, depending on the purpose, meet different requirements in terms of reliability, resistance to external environmental factors and other equally important parameters. In this article, as a coarse aggregate, crushed stone obtained in the process of crushing concrete waste from fragments of destroyed buildings and structures is considered. The results of experimental studies by various scientists have shown that the use of concrete rubble as aggregate is a promising direction. Thus, the economic effect of the use of crushed concrete as a coarse aggregate for the production of various concretes can be very significant for the construction industry as a whole. The results of the experiments presented in this article show that the use of recycled concrete in the form of crushed stone is very necessary, since an increase in the volume of construction waste creates a huge environmental problem for all countries and its partial solution is connected, including with the scientific research presented here. Keywords: crushed stone from concrete waste, coarse aggregate, concrete, strength, compression, tension, bending, modulus of elasticity.
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