Materials

Astec develops innovative asphalt plant with additional recycling capability

June 23, 2015

Astec’s headline RAP plant can use up to 65% RAP content As it does for the 50% double barrel system aggregate dryer/drum mixer model, Astec is guaranteeing that its customers will get the increased percentage. The unit runs at 181-360tonnes/hour production (200-400UStons/hour). Astec, based in Chattanooga, Tennessee, manufactures all of their state-of-the-art Hot Mix Asphalt plants in the US. They introduced the first double barrel plant in 1989, according to executive vice president Steven Claude, during

Increasing asphalt plant sophistication

June 23, 2015

Increasing asphalt plant sophistication will boost the capabilities for the use of recycled materials - Mike Woof writes Major innovation is being seen in the asphalt plant sector with many of the major manufacturers developing sophisticated new plants. The increased use of recycled materials and reduced fumes emissions are all important issues for the segment. In the US for example, the potential for recycled asphalt has been well identified. It is now one of the most frequently recycled industrial materia

Global pressures driving bitumen developments

June 19, 2015

A raft of global pressures is driving developments in the materials and equipment we use for the handling, storage and treatment of bitumen. The goal is to achieve better performance and longer life for less financial outlay, and at the same time overcome the challenges of inconsistent and varying bitumen supplies. Kristina Smith reports.

Italian firm Iterchimica expanding its operations

June 19, 2015

Iterchimica, a leading international player in the field of additives for asphalt is appointing Vito Gamberale as chairman of the board. The move is a strategic one intended to broaden the firm’s coverage worldwide, with Gamberale also having bought a share of the business and with the extra funding helping develop the business. Iterchimica was founded in 1967 by Gabriele Giannattasio, who is now leading the company with his son Alessandro and his daughters Mariella and Federica. Gamberale sees in the ma

Ground control to mining truck offers efficiency gains

June 19, 2015

Autonomous and remote control machines are not about to take over the world, but they can provide efficiency gains and savings in some operations – Colin Sowman writes The thought of autonomous machines may conjure up visions of an Orwellian future where society works for the ‘common good’ defined by an all-powerful being and in which people are insignificant in terms of their needs, aspirations and physical wellbeing; of machines that relentlessly carry out their task regardless of anybody or anything that

Sandvik’s QI34 Prisec Impactor on show in the Netherlands

June 10, 2015

The Sandvik QI341 Prisec HIS Impactor has proven to be an essential machine for recycling applications in the Netherlands following recent demonstrations by Kuiken Group. Kuiken, which became a Sandvik Construction distributor for mobile crushing and screening products in 2012, recently hosted a demonstration of the HIS Impactor, complete with hanging screen system. A closed circuit crushing system means the machine can produce a calibrated product without the need for further machines. Its compact si

Brazilian business in Brumadinho benefiting from breaking

June 10, 2015

A Brazilian extraction operation is using a Rammer 3288 hydraulic hammer in a secondary breaking application The unit is helping maximise production at a facility in Brumadinho. The 2.04tonne hydraulic hammer is being used to increase the production of Itabirite at the FLAPA Mining site. Part of the Top Mix Group, the company operates in the heavy construction, dredging, mining, assembly and operation of processing and ore crushing plants. At the company’s Fábrica Mine, Jangada Mine, Capão Xavier Mine

Astec’s Azerbaijan asphalt application

June 9, 2015

In Azerbaijan an Astec batching plant is said to be giving a major contractor an advantage over its competition The firm, Aztikintiyol, is one of the leading producers of aggregates and hot-mix asphalt in Azerbaijan and decided to expand its operations into the southern regions of the country. The need for asphalt in this area was growing as there is massive infrastructure development close to the border with neighbouring Iran taking place. However a simple plant was not suitable as the firm required

EmulBitume launches pothole-specific storable cold mix mini plant

May 19, 2015

Bitumen plant manufacturer EmulBitume unveiled at the major Pavement Preservation and Recycling Summit (PPRS) in Paris the company’s first storable cold mix-mini plant specifically for pothole repair work. The semi-automated plant has been designed for small batches suitable for efficient pothole maintenance, making the plant an important product for today’s asset management companies, said EmulBitume. EmulBitume’s mini-plant eliminates the cost of handling large quantities of cold mix in bags becaus

ENH bitumen in-line plants destined for the Congo

May 19, 2015

ENH Engineering has broken into the market in the Democratic Republic of the Congo by selling two in-line bitumen emulsion plants. The plants, of which each can be built into a 12m container, were sold to the Congolese oil exploration and refining company Socir in the capital city of Kinshasha, said ENH's managing director Erik Haugaard. The in-line plants can produce all known bitumen emulsion types, from the simplest tack-coat to high-grade slurry emulsions. "The emulsion market in West Africa is gr