Reducing emissions and consumption of virgin aggregates through cold in-place recycling
The increasing demand for the preservation of natural resources and environmentally friendly techniques is a strong incentive for the development and implementation of cold in-place recycling techniques. The paper presents a process in which all the functions needed to complete the recycling work are dealt with by a single and powerful equipment (cold recycling machine). It allows recycling to be done with either a bituminous emulsion or with foamed bitumen. The laboratory and in-situ performance of such recycled materials has already been presented at the 2008 E&E Congress. This paper presents additional laboratory and field data. This accumulated experience has allowed to better identify the main factors influencing material properties, leading to practical guidelines for best practice and better efficiency. A major part of the paper is however devoted to the environmental benefits which are achievable with this technology. This is done on the basis of several case histories by calculating a number of specific indicators, of which the most important ones are the emission of greenhouse gases, energy consumption, depletion of natural resources, consumption of virgin aggregates and amount of road transport.
-
Authors:
- Eckmann, B
- Delfosse, F
- Chevalier, E
- Conference:
- Publication Date: 2012-6
Language
- English
Media Info
- Pagination: 11p
-
Serial:
- Issue Number: A5EE-165
Subject/Index Terms
- TRT Terms: Case studies; Environmental impacts; Pavement design; Pavement performance; Recycled materials; Standardization
- Uncontrolled Terms: Materials technology (asphalt/bitumen/concrete)
- ATRI Terms: Case study; Environmental effects; Pavement design; Pavement performance; Recycled materials; Standardization
- Subject Areas: Highways; Pavements;
Filing Info
- Accession Number: 01449008
- Record Type: Publication
- Source Agency: ARRB
- Files: ATRI
- Created Date: Oct 9 2012 1:19PM