Abstract
The research is aimed at finding new ways that contribute to environmental improvement. It is evident that there is a great need at the moment to find optimal methods of construction and demolition waste recycling while renovating urban areas. The researchers examine the recycling method which is characterized as one of the most effective ways to solve the problem of construction waste disposal. In this paper the authors resort to the method of comparison as well as to graphical, tabular, and abstract-logical methods. They analyze two main methods used to carry out recycling operations: the first method involves recycling waste at the site of construction using mobile crushing plants and the second involves recycling at stationary crushing and grading complexes. Then the authors point out advantages and disadvantages of these methods and examine the efficiency of a stationary complex. The researchers also calculate the prime cost of construction waste processing at a stationary crushing and grading complex and its payback period. It is concluded that the use of a stationary complex for construction and demolition waste recycling is technically and economically feasible.
Highlights
A global problem at present is a significant increase in the volume of industrial waste accumulation, including the growth of construction waste that outstrips its processing and disposal
In Russia over the past 5 years, the annual growth in the production of industrial waste amounts to 20-30%, which is a threat to the ecological balance and the environment, since most waste is not recycled, but is stored at landfill sites [1]
Preheating or freezing of construction and demolition waste before crushing will provide a 3% reduction in electricity, which amounts to 26.4 kW or 117.48 rubles per shift of the crushing and sorting complex DSK-48-13 work
Summary
A global problem at present is a significant increase in the volume of industrial waste accumulation, including the growth of construction waste that outstrips its processing and disposal. Construction waste is usually described as waste from reconstruction, major repairs, renovation of residential buildings and former industrial zones, disassembly and demolition of buildings and structures It is generated during the construction of new buildings and structures, highways and engineering networks [2, 3]. The fact remains that the search for new ways of construction waste disposal and the management of this process has become an urgent global problem. Only part of the works is devoted to the problem of recycling and there are little-studied issues that require further investigation
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