Construction waste processing management and demolition of five-storey apartment blocks in Moscow

Abstract

Data on waste processing management in waste processing technology. Processing of scrap concrete waste, similar in composition and condition to traditional raw materials, is economically and ecologically feasible. The research suggests that concrete with scrap concrete waste shows strength properties similar to primary concrete and helps organize waste-free production. The methods of waste recycled usage, especially, usage of secondary crushed stone made of crushed concrete scrap are becoming ever more relevant with every passing year. Imported concrete aggregate volumes can be reduced by 15-30% due to usage of secondary crushed stone. Consideration of industrial waste problem and methods of solving this problem by using waste in construction industry including secondary crushed stone made of crushed concrete scrap. Annually, about 11.5 million tons of construction waste is generated in Moscow, in the near future concrete scrap volumes are expected to rise to 13-15 million tons per year because of building demolition, reconstruction, overhaul and piling of reject structures. One of the problems in modem development in the production of concrete and reinforced concrete parts and products is a matter of replacing the traditional scarce raw materials while maintaining the placeability of the concrete mix and strength of the finished products. The use of industrial waste similar in terms of composition and condition of traditional raw materials unquestionable from economic and environmental point of view. Studies show that concrete, using from fine granulated blast furnace slag as cement additives, have higher initial strength characteristics of concrete.