Materials

Retrofitting an existing asphalt plant is only the first step in the successful production of mixes containing RAP –fine tuning and know-how are also required. The Fayat Group, owner of Marini, shares some of its secrets with Kristina Smith Many asphalt producers are making mistakes when producing mixes containing RAP, says Mikael Azran, head of marketing for Fayat mixing plants. The result is that they are wasting energy and could be in danger of producing lower quality mixes.

Cutting-edge RAP production technology and other key asphalt plant equipment in demand globally is examined by Guy Woodford Grossmann, a building services company based in south-east Germany, is now using a state-of-the-art Benninghoven Competence BA 4000 asphalt plant to produce asphalt. Equipped with Benninghoven’s Hot Recycling System RA 180, the plant is said to be highly efficient, economical and one of the most powerful available.

Caterpillar is increasing its focus on specific markets with technology developed for particular requirements as well as introducing a new focus for how it works with its dealers and customers. John Fallows, general manager of Caterpillar’s GCI territory said, “We are launching five new products at BICES, all of which are designed for customer needs.”

Zoomlion is a world leader in concrete pumping and lifting technology, with an array of highly sophisticated solutions – Mike Woof reports. Compared with other global manufacturers of construction machines, Zoomlion is a comparatively new entrant to the market as the firm is just over 20 years old. However, Zoomlion is now recognised as a world leader in the lifting and concrete pumping markets, developing innovative machines that push the boundaries of technology. The company has grown both organically and

Ensuring efficient cone crusher operation can deliver major economies of scale for quarrying facilities There are a number of ways in which cone crusher throughput can be optimised. One of the key issues is in keeping the system choke fed during operation, as this maximises the effectiveness of rock-on-rock crushing, extends the wear life of manganese components and ensures a quality product shape. A lack of feed causes inconstant loading, which affects the long-term life of internal components.

Major Wire Industries, a leading manufacturer of screen media, has determined a numbers of methods to tackle common screening problems Screen media inefficiencies can reduce product quality, production and profit as much as a poorly performing screen box. Screen media modifications cost less than screen box upgrades and can provide major benefits for little outlay. If material is coming off the end of the deck, instead of passing through the screen cloth there are several possible problems. It could be that

A survey carried out jointly by the National Asphalt Paving Association (NAPA) and the Federal Highway Association (FHWA) shows that asphalt recycling and energy-saving technologies are in increasing use in the US The increasing adoption of new construction practices in the asphalt pavement industry has saved more than US$2.2 billion during the 2011 paving season through the use of recycled materials and energy-saving warm-mix technologies. According to a survey conducted by the National Asphalt Pavem