Steps and measures of construction and demolition waste management in natural disasters

Subject Areas : Water and Environment

Nima Heidarzadeh ¹ (Assistant Professor of Civil Engineering Group, Department of Technical and Engineering, University of Kharazmi, Tehran, Iran)
Alireza Ramezani Khoojin ² (Msc Student of Remote Sensing and GIS, Faculty of Environment and Energy, Science and Research Branch, Islamic Azad University, Tehran, Iran.)

Received: 2014-06-05 Accepted : 2014-10-21 Published : 2015-03-21

Keywords: Construction and Demolition (C, Natural disasters, Recycling and Reuse,

Abstract :

Disasters have caused 1.2 million fatalities and 1.7 trillion damages (USD) in the world during 2000-2012. Depending on the nature and severity, disasters can generate large volumes of debris and waste. Values of between 30 and 113 t/household can be used to estimate the amount of debris of a damaged house and building. The waste can overwhelm existing solid waste management facilities and also impact on other emergency response and recovery activities. Thus, management of construction and demolition (C&D) wastes is one of the most important action should be done. Disaster waste management actions include three major phases as follow:1) Emergency phase, 2) preliminary recovery phase, and 3) final recovery phase. In this article, technical options of disaster waste management have been studied such as: estimation methods of C&D waste amounts, planning and management need in emergency, temporary storage in transfer stations, disposal, reuse and recycling of the wastes, prioritization of actions. Studies show that many types of C&D waste, such as bricks, blocks, concrete, asphalt, plasterboard, tiles, and iron sheets, can be recycled or reused for different application including: landfill waste cover, concrete aggregate, building and road base material, production of cement, soil drainage improvement, ingredient/additive in the production of fertilizer and compost

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