Use of Recycled Construction and Demolition Waste Aggregate for Road Course Surfacing
Publication: Journal of Transportation Engineering
Volume 138, Issue 2
Abstract
The need to manage construction and demolition waste (CDW) has led to environmentally-friendly actions that promote the reuse and recycling of this type of waste and other forms of waste valorization. The main priority is to foment sustainable construction work, which has the advantage of avoiding the deposit of large quantities of construction waste at landfills and greatly reducing the use of borrow material in construction projects. In this sense, the reuse of CDW materials significantly lessens the impact of construction work on the surrounding environment. The aim of this research study is to verify the technical viability of using construction waste as material for the base pavement layers of road surfaces. For this purpose, a field study was carried out, which included testing the performance of pavement composed of concrete, asphalt mix, and ceramic waste aggregate. This was done by analyzing the characteristics of the recycled material on a section of an actual road under real vehicle traffic conditions. It was observed that the load-bearing capacity of the recycled artificial CDW aggregate was satisfactory.
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Acknowledgments
The authors wish to thank Gestión de Infraestructuras de Andalucía, S.A. de la Consejería de Obras Públicas y Vivienda, agency of the regional government of Andalusia for its encouragement and support of initiatives regarding the innovative use of new road construction materials. We also wish to thank the construction companies, Aristerra, Sando, Cemosa and Estudio Pereda4, for their invaluable cooperation in this research.
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Information & Authors
Information
Published In
Journal of Transportation Engineering
Volume 138 • Issue 2 • February 2012
Pages: 182 - 190
Copyright
© 2012 American Society of Civil Engineers.
History
Received: Jan 8, 2011
Accepted: Jun 29, 2011
Published online: Jul 1, 2011
Published in print: Feb 1, 2012
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