The Reuse Of Waste From Road Resurfacing: Cold
In-place Recycling Of Bituminous Pavement, An
Environmentally Friendly Alternative To
Conventional Pavement Rehabilitation Methods
Author(s)
M. J. Martínez-Echevarría, M. C. Rubio & A. Menendez
Abstract
The conservation and maintenance of highways is an increasingly important
activity in developed countries. Since it generates great quantities of inert waste
material, an alternative use for this waste must be found so that it does not end
up in landfills.
This paper examines the multiple benefits of cold in-place recycling (CIR) of
bituminous pavement as compared to other more conventional pavement
rehabilitation methods. It also analyzes the performance of CIR with a view to
extending its use to more highway and vehicle traffic types.
CIR permits the reuse of existing material. This process involves milling and
crushing the existing asphalt pavement, rejuvenating the cement, and finally
placing and compacting the material to a specified depth. Consequently, it
reduces the production of conventional aggregate, and thus, the extraction of
virgin aggregate from natural quarries. CIT is preferable to other techniques
because it saves energy as well as reduces contamination from gas emissions.
Key words: pavement rehabilitation, cold recycling, emulsion, environmental
advantages, reuse.
1 Introduction
In recent years in a world increasingly under attack from pollution, the
conservation of natural resources has become a top priority in all production
sectors. The construction industry is also faced with this challenge, and has
pioneered the development of new techniques for the reuse of the waste material
Keywords
pavement rehabilitation, cold recycling, emulsion, environmental
advantages, reuse.
Related Book
Other papers in this volume
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