Concrete Waste in a Global Perspective


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Title: Concrete Waste in a Global Perspective

Author(s): T. C. Hansen and E. K. Lauritzen

Publication: Special Publication

Volume: 219


Appears on pages(s): 35-46

Keywords: asphalt; bases; bricks; concrete; construction and demolition waste; demolition; recycling; road construction; sub-bases

Date: 3/1/2004

The reduction and utilization of waste and by-products is one of many challenges facing mankind in the modern world. This paper consists of an overview of the handling of the world's concrete waste and is concerned with unbound applications of blended construction and demolition (C&D) rubble for pavement bases and sub-bases in road construction. The problems of recycling mixed wastes are considered and global perspectives are presented on the use of C&D rubble. The paper proposes that studies should be carried out in order to research the technical properties of blended C&D rubble, which the authors believe would be economically and environmentally justifiable in promoting the widest possible range of recycled products for road construction.