EXAMPLES OF REUSE OF MATERIALS OF DECONSTRUCTION FOR THE CONSTITUTION OF A ROAD STRUCTURE - RECYVIA® PROCESS

3rd International Conference on Road and Rail Infrastructure (CETRA 2014)

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Title EXAMPLES OF REUSE OF MATERIALS OF DECONSTRUCTION FOR THE CONSTITUTION OF A ROAD STRUCTURE - RECYVIA® PROCESS
 
Creator Jean-Etienne Urbain; Eurovia, France
Eric Layerle; Eurovia, France
 
Subject recycing; environment; economy; maintenance; reinforcement
 
Description Maintenance of the existing road network is a critical point for every stake older. The main issues are very often: a) economical solution in order to aloud a good service level on the whole network with structural decrease of dotation budgets and b) environmental friendly solution in order to preserve the materials and the environment. With the background of these 2 main issues, recycling solutions are excellent solutions : economical aspect (it is cheaper to re-use instead of milling/evacuation/renew operation) and environmental aspects (less transport, less energy consumption, less fumes emission for cold solutions, smaller global carbon footprint …). Of course, deep analyses have to be undertaken on the road condition (structural and surface conditions) as well as on the materials themselves (relevant analyses in Laboratory). Road conditions measurements will permit a good pavement design corresponding to the traffic and lifetime data for the reinforcement or maintenance works.
On the second hand, the analyses on the materials of the existing layers will define the possible ways of recycling. Indeed, the type of recycling (cement, bituminous emulsion, bituminous foam, association of hydraulic and bituminous binders…) and the re-use conditions will be defined from the results of the Laboratory analyses (grading, fine content, binder content, ageing, residual mechanical performances…). The aim of the paper is to explain how the best solution is found (definition of the technic and design of the whole reinforcement or maintenance
structure) from the measurements done on the existing road.
 
Publisher CETRA 2014
 
Contributor TEGRA
 
Date 2017-02-28 16:46:40
 
Type Peer-reviewed Paper
 
Identifier http://master.grad.hr/cetra/ocs/index.php/cetra3/cetra2014/paper/view/437
 
Source CETRA 2014; 3rd International Conference on Road and Rail Infrastructure
 
Language en
 
Rights <p>Authors who submit to this conference agree to the following terms:<br /> <strong>a)</strong> Authors retain copyright over their work, while allowing the conference to place this unpublished work under a <a href="http://creativecommons.org/licenses/by/3.0/">Creative Commons Attribution License</a>, which allows others to freely access, use, and share the work, with an acknowledgement of the work's authorship and its initial presentation at this conference. <br /> <strong>b)</strong> Submitted full papers will be published in the book of proceedings "Road and Rail Infrastructure II" as well as in digital form (on a CD). Conference organiser is allowed to publish author's names, institution and country as well as the paper abstract on the conference web site.</p>
 

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