Materials

Biorefiner Arizona Chemical has spent three years developing a new asphalt additive which it says will revolutionise the use of RAP in road pavements. Sylvaroad RP1000 will allow much higher proportions of RAP to be used and produce a better-performing pavement, according to the manufacturer. “What it essentially does is mobilise the chemical matrix of these aged binders,”

The Wirtgen Group has acquired a 70% stake in the asphalt plant manufacturer Benninghoven, located in Mülheim, Germany. Benninghoven is a successful manufacturer of asphalt plants with a strong reputation for its technology and product quality, as well as its customer support.

Ma-estro’s new prototype Q-Automation system is said to include a better movement sensor for more efficient quarry production and aggregates recycling plants.

The 2014 edition of Hillhead, the three-day biennial flagship show for the quarrying, recycling and heavy construction industries, is set to welcome thousands of visitors, keen to see the latest leading equipment models alongside innovative machine and site management control technology. Guy Woodford reports on what a variety of major companies will be showcasing during this month’s show at Lafarge Tarmac’s Hillhead Quarry near Buxton in Derbyshire With around 450 UK and international suppliers of plant, eq

In Nigeria a major asphalt producer is increasing production capacity to cope with growing demand for its materials Nigeria is developing its road and highway network, which has triggered greater demand for quality aggregates and asphalt for construction. Producer Asphalt Unity Construction is now meeting this demand with its purchase of new mobile equipment from Sandvik Construction.

This video shows Simex’s new VSE 40 screening bucket being put to work by two of the company’s Italian customers. The attachment is said by the firm to be unlike similar models on the market as it allows the user to change the output size of the material without having to perform complicated mechanical procedures. Thanks to an original patented solution, the VSE screening bucket lets the operator modify via hydraulic control the distance between the screening elements, and thus the output size between 0-15m

Benninghoven’s Ralf Port talks about the German firm’s development with partner BAM of its counter flow parallel drum system for RAP material The asphalt industry constantly searches for new solutions in order to optimise processes within the asphalt plant. A major subject is the increase of RAP content in all recipes. Recycling Parallel Drum Systems work in various sizes and at various power levels. This technique has been established by different producers over the decades. However, all kinds of concepts