چكيده به لاتين
The construction industry is not only the largest natural resource consumer, but also the largest waste producer in the world. Considering the rapid growth and development of this industry, the amount of waste being produced is also rapidly increasing. This is mainly due to the fact that many existing buildings are getting old and worn out in different cities around the world. In addition, the population growth and density in larger cities and the need of communities to build houses with new technological advances and efficient energy consumption, has resulted in demolition of many existing buildings. These demolitions are being done by conventional methods, which in turn produces high amounts of construction waste, and consequently resulting in loss of national capital of many of these countries. Hence, in recent decades, developed countries have been contemplating about ways of reusing and/or recycling building materials and elements in renovating and restoring aged buildings instead of demolishing them. These methods are defined by the Circular Economy approach in the building's end-of-life cycle, keeping into consideration that their added value is maintained as much as possible. The Circular Economy approach is compared to Linear Economy and the conventional methods of demolition. There has been much research done on the reuse of building materials in the world, and Building Information Modeling (BIM) has been used to estimate Construction and Demolition Waste (CDW), but not much research has been conducted on the recycling/reusing of materials and elements of existing buildings. Methods and guidelines have been developed for CDW management, which requires executive tools and technologies. Therefore, a Decision Support System (DSS) will be proposed to use BIM to provide the amount of recyclable and reusable and lastly the amount of landfill waste at different ages of the building for each component, material and element. The use of the Circular Economy approach in the construction industry will not only reduce environmental pollution and the consumption of natural resources, but it will further allow us to find out about its significant economic and social effects. Lastly, in the case of optimal application and use of recycled material, it will be show that incorporating these methods will have cost savings of an average of 25%.
