FM Conway makes Big Step in Innovation with the Use of Recycled Aggregate of up to 50%

FM Conway, an infrastructure services specialist, has claimed a new achievement in recycling when it comes to the highways sector with its project along the A40, in conjunction with TfL (Transport for London). 

New achievement - asphalt road surface which contains about 50% recycled aggregate

New achievement - asphalt road surface which contains about 50% recycled aggregate

According to the firm, it has been able to lay down an asphalt road surface which contains about 50% recycled aggregate. The recycled aggregate is of a high value with its polished surface, and FM Conway believes that this marks a big step and a shift in the process and method through which road networks are built as well as maintained and repaired in the UK. The project involved the resurfacing of more than 20,000 metres of road network located in the western portion of London.

A first time for everything 

FM Conway has stated that this is the very first time such a mix of surface course with a very high share of recycled material has been used, especially on such an important route or network and outside of regular trial circumstances. This project actually comes after a successful experiment and trial done by FM Conway, in conjunction with TfL, in the previous year which laid down an asphalt mix with a high recycled material content on the A1. 

FM Conway’s director on aggregates and asphalt, Tim Metcalf, has said that the trial done with TfL in the previous year has proven that road surfaces which contain a high degree of recycled materials are not only able to perform according to expectations, but are sustainable to the environment as well. This latest project along the A40 has taken the work to a higher level, and it has used important knowledge gained from the trial project in order to make the use of recycled materials a standard on the SRN (strategic road network). 

A better method and better standards 

Herbert Micallef, the highways technical manager for Transport for London, has also said that the recycling of asphalt happens, but the highways industry has been slow in accepting it as a standard of best practice for road work on both local and strategic road networks. According to Mr. Micallef, their organisation, in partnership with FM Conway, are changing this perception and are bringing advantages for both road network operators and firms and road users. 

Mr. Micallef adds that bitumen and aggregate are resources which are finite, and they have to look for alternatives which are more sustainable if they are aiming to provide a road network of high quality for the road users of London, not only for the present, but also for the future. By increasing the use of recycled materials and investing in materials which are more advanced, they can be smarter and more cost-effective as they can find better ways to recover asphalt for it to be reused.

Posted on 04 Dec 2017 in Recycling

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