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The Effect of Construction and Demolition Waste Plastic Fractions on Wood-Polymer Composite Properties
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Published on: June 7, 2020

Construction and demolition waste indicators.

Miguel Mália1, Jorge de Brito, Manuel Duarte Pinheiro

  • 1Department of Civil Engineering, Instituto Superior Técnico, Technical University of Lisbon, Lisbon.

Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA
|January 15, 2013
PubMed
Summary
This summary is machine-generated.

This study developed indicators to estimate construction and demolition waste (CDW) generated on-site. Results show concrete and ceramics are the primary waste streams, with varying amounts across construction, demolition, and refurbishment sectors.

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Area of Science:

  • Environmental Science
  • Civil Engineering
  • Waste Management

Background:

  • The construction industry is a major consumer of resources and producer of waste in the EU.
  • Construction and demolition waste (CDW) is the most common waste stream in the EU.
  • Existing EU legislation aims to manage CDW but lacks practical tools for the traditional building sector.

Purpose of the Study:

  • To establish indicators for estimating on-site CDW generation, both overall and by specific waste streams.
  • To analyze CDW generation across six key sectors: new construction, demolition, and refurbishment (residential and non-residential).

Main Methods:

  • An exhaustive review of previous international studies was conducted to gather data.
  • Indicators were developed based on collected data to quantify CDW generation.
  • Waste generation was estimated for new residential/non-residential construction, demolition, and refurbishment.

Main Results:

  • Concrete and ceramic materials constitute the majority of on-site CDW.
  • Concrete waste from new residential construction (reinforced concrete) ranges from 17.8 to 32.9 kg/m².
  • Concrete waste from demolition (reinforced concrete) ranges from 401 to 840 kg/m², varying by sector.

Conclusions:

  • The developed indicators provide a quantifiable method for estimating CDW on-site.
  • Understanding waste composition and generation rates is crucial for effective waste management strategies in construction.
  • The study highlights significant concrete waste generation, particularly in demolition and refurbishment activities.