Assessing the accumulation of construction waste generation during residential building construction works |
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| Institution: | 1. Departamento de Construcciones Arquitectónicas y su Control, Escuela Técnica Superior de Edificación, Universidad Politécnica de Madrid, Avda. Juan de Herrera 6, 28040 Madrid, Spain;2. Departamento de Construcción y Vías Rurales, Escuela Técnica Superior de Ingenieros Agrónomos, Universidad Politécnica de Madrid, Ciudad Universitaria s/n, 28040 Madrid, Spain;1. Departamento de Construcciones Arquitectónicas I, Universidad de Sevilla, ETS de Arquitectura, IUACC, Avda. Reina Mercedes 2, 41012 Sevilla, Spain;2. School of Civil and Building Engineering, Loughborough University, Loughborough, Leicestershire LE11 3TU, United Kingdom;1. Institute of Civil Engineering, Faculty of Engineering Sciences, Austral University of Chile, Valdivia, Chile;2. Department of Engineering Construction and Project Management, University of Granada, Spain;1. Department of Real Estate and Construction, Faculty of Architecture 5/F, Knowles Building, The University of Hong Kong, Pokfulam, Hong Kong, PR China;2. School of Urban-rural Planning and Management, Zhejiang University of Finance and Economics, Hangzhou, PR China;3. Faculty of Construction Management and Real Estate, Chongqing University, Chongqing, PR China;1. Department of Real Estate and Construction, Faculty of Architecture, The University of Hong Kong, Hong Kong;2. School of Public Administration, Zhejiang University of Finance & Economics, Hangzhou, PR China;3. Department of Construction and Project Management, Faculty of Science and Engineering, Queensland University of Technology, Brisbane, Australia;4. Department of Public Policy, City University of Hong Kong, Hong Kong;1. CERis-ICIST, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal;2. CERis-CESUR, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal |
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| Abstract: | The difficulty of dealing with construction and demolition waste (CDW) on construction sites is not new and continues to be an environmental problem. Understanding the waste generated in a construction work is essential to optimize CDW management. Therefore, any tool used for establishing an estimation of the CDW that will be generated should be considered as an alternative to achieve real solutions pursuing sustainability. This paper presents the evolution of CDW flow generation in the construction of new residential buildings, and has identified that the construction activity is increasing the waste generation. In an attempt to find some solutions and provide improved alternatives, several building sites have been analysed in order to quantify the estimation of CDW generated. Results show that when using plasterboard walls the CDW generation, per m2 of built surface can be reduced up to 15.94% compared to the use of traditional brick partitions. In addition, a model describing the accumulation of CDW throughout the project duration is proposed. This model states that CDW mainly accumulates in the middle stages of the project. This study allows an estimation of the amount of CDW to be generated in a building construction site, helping to plan the number and size of containers required at any moment of the construction process, as well as the space required for a proper CDW management. |
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| Keywords: | Construction and demolition waste Evolution Estimation Management Construction activity Prevention |
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