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Open Access Article
1 - Study of the Amount and Composition of Construction and Demolition Wastes in the Karaj City
Saeideh Bigdeloo Seyed Hassan Mousavi Mazaher Moeinaddini ghasemali omraniIn Karaj, the large volume of wastes was produced due to the high level of construction activities such as demolition of old buildings and the construction of new buildings. In this regard, it is necessary to have management system with environmental protection perspect MoreIn Karaj, the large volume of wastes was produced due to the high level of construction activities such as demolition of old buildings and the construction of new buildings. In this regard, it is necessary to have management system with environmental protection perspective for the construction and demolition wastes (CDW). Therefore, the main purpose of this research was study of the amount and composition of CDW in Karaj municipality zones (10 zones) in 2017 with the financial support of Karaj municipality. In the first step, a little amount of CDW was investigated by Karaj waste management organization's statistics. The results showed that the Karaj construction sector produces 5973 tons (2186410 tons/year) of CDW every day, which is around 3% of the total amount of the country generated CDW. Also, the share of per capita CDW production is 1220 kg/year for each person per year and the maximum CDW generation rate was in the November and December and the minimum one was in March and April. In the second step, the composition of CDW was determined using field observations of the disposal sites and landfills. The average composition of CDW showed that up to 80% of the wastes are composed of the soil operation (soil, sand, stone and …) asphalt and concrete parts, building materials (such as brick, block, plaster, pottery, mosaic, etc.) Manuscript profile
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