Laboratory study on the potential use of recycled inert construction waste material in the substrate mix for extensive green roofs

Slobodan Mickovski, Kirsty Buss, Blair McKenzie, Birol Sokmener

Research output: Contribution to journalArticlepeer-review

Abstract

Green roofs, defined as roofs of buildings that are partially or completely covered with vegetation planted in a growing medium can provide multiple sustainability benefits. There is potential to increase the sustainability benefits of green roofs by using recycled construction materials for green roof construction. This study investigates the viability of using recycled aggregates in the substrate mix for extensive green roofs where a ‘carpet’ of plants is supported by lightweight growing media (substrate) overlying a drainage layer. We investigated the adequacy of recycled inert construction waste as a growth medium, the drainage properties of the substrate mix containing recycled materials as well as its susceptibility to erosion and resistance to sliding when placed on a slope.
Original languageEnglish
Pages (from-to)706-714
Number of pages8
JournalEcological Engineering
Volume61
Issue numberPart C
DOIs
Publication statusPublished - Dec 2013

Keywords

  • green roofs
  • sustainability
  • recycling
  • drainage
  • construction waste
  • slope stability

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