Fulton Hogan has been adding glass to aggregate production (all passing 40mm) at differing concentrations since 2005. Tests done on the final product have yielded good results for particle size distribution and compaction. Operational crews have commented that the material was easy to work and produced a good finish. To date the performance of pavements constructed with the aggregate is very good. Two methods of producing the aggregate have been trialled with varying successes and drawbacks. A major issue is getting the glass without contamination of other paper, cardboard and plastic wrappers, which contaminate the basecourse. Fulton Hogan have strongly encouraged sustainability throughout its business and view the recycling of glass into roading aggregates as providing excellent community benefit. Not only does the practice extend the life of landfills, it also conserves virgin rock resource for premium aggregate products. (a) For the covering entry of this conference, please see ITRD abstract no. E217099.
Samenvatting