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2002•Journal of Asian Architecture and Building EngineeringOpen access

The Necessity for “Two Step Separation” to Recycle Construction and Demolition Waste

Hiroatsu Fukuda, Toshio OJIMA

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Abstract

Construction and demolition waste amounts to 20% of all the industrial waste in Japan and it accounts for more than 70% of all illegal dumping. One of the reasons is that the spread of so called ‘mince demolition’ using construction machinery and consequently a lot of mixed construction waste which is difficult to separate is discharged. Here we present the idea of Two Step Separation of construction waste and demonstrate its efficiency is adopted for the all construction waste in Fukuoka prefecture as case study.

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What this paper is about

Construction and demolition waste amounts to 20% of all the industrial waste in Japan and it accounts for more than 70% of all illegal dumping. One of the reasons is that the spread of so called ‘mince demolition’ using construction machinery and consequently a lot of mixed construction waste which is difficult to separate is discharged. Here we present the idea of Two Step Separation of construction waste and demonstrate its efficiency is adopted for the all construction waste in Fukuoka prefecture as case study.

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Available abstract

Construction and demolition waste amounts to 20% of all the industrial waste in Japan and it accounts for more than 70% of all illegal dumping. One of the reasons is that the spread of so called ‘mince demolition’ using construction machinery and consequently a lot of mixed construction waste which is difficult to separate is discharged. Here we present the idea of Two Step Separation of construction waste and demonstrate its efficiency is adopted for the all construction waste in Fukuoka prefecture as case study.

Key concepts: Demolition, Demolition waste, Construction waste, Waste management, Engineering, Civil engineering, Construction engineering, Business

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