Materials

Extec has supplied crushing and screening equipment that is being used to recycle materials and help in the renovation of the Pulkovo Airport near St Petersburg in Russia. An array of Extec machines are being used by local firm Recycle of Materials (ROM), which is one of Russia's leading firms in the materials recycling sector. ROM has extensive experience in demolishing and recycling concrete buildings built in the 1950s and 60s that were constructed using poor-quality concrete and is now diversifying into

The Extec and Fintec product lines of mobile crushing and screening equipment have been formally integrated and rebranded as part of Sandvik Mining and Construction's product offering. The range, under a single brand, is signified by new model nomenclature and machine colours, and a worldwide launch at a global customer event that attracted over 1,000 visitors, with people attending from a variety of places including Venezuela, China, Spain, Ireland, Norway and Scotland. Reflecting on the special four-day i

As part of the R1 southern orbital motorway around the Czech capital, Prague, a joint venture is building a five-span, 461m long and approximately 65m high viaduct near the village of Lochkov, as a girder bridge construction. For the two steeply inclined twin piers, Doka has supplied an automatic climbing formwork solution that obviates the need for shoring and that will "cut more than 100 days from the construction period." Cast-in-place concrete construction of bridge piers with such a steep inclination

Foamed bitumen is a versatile and cost-effective tool in recycling roads - Mike Woof reports Wirtgen hopes to capitalise on the growing demand for materials recycling and its range of solutions for this sector has expanded considerably in recent times. The firm has been taking advantage of further developments in foamed bitumen technology to offer an array of cost-effective road repair solutions. The range allows this material to be used in array of cold recycling applications and Wirtgen also offers labora

The first new mobile screen to be launched under the Sandvik name, rather than the Fintec or Extec brands, is the heavy duty tracked QE440 scalping screen. The QE440 was displayed in a live demonstration at a customer event in the UK this summer to launch the newly unified branding and new machine colours. During the demonstration, customers had a chance to view other mobile crushing and screening units in the Sandvik range, as well as the new BR2577 hydraulic breaker.

Following a trial of Metso Minerals' Nordberg Plant Management System at Hanson Aggregates' Ystrad Meurig Quarry, UK, the software has now been installed on a further six mobile machines at Lithalun Quarry. Metso installed the remote control system on the Lokotrack LT300HP for Hanson last year to allow the company to test the advantages of the wireless communication capabilities. The system has now been extended to the LT110 primary crusher, another LT300HP and its two ST358 and ST620 mobile screens.

Italian customer Marocca Group is using an Indeco HP18000 hydraulic breaker (the heaviest hydraulic breaker on the market at present) for primary demolition at a limestone quarry in Anagni, close to capital Rome. The 40ha quarry produces high grade limestone in 21 different sizes to meet an array of construction needs, and the bespoke fully automated crushing and screening plant is able to process over 500m³/hour of rock. By using the HP18000 in a primary winning application, Marocca Group has also been abl

Ever tightening aggregate specifications for road surfacing materials is driving more quarries to wash their materials. Claire Symes looks at the technology and the implications for the industry Stricter aggregates specifications for both asphalt and concrete surfacing materials and the need to make the best use of all extracted material is driving greater use of washing equipment in the quarrying industry. But the latest washing and recycling technology means that this growth does not have to significantly

A one-eighth scale model of Astec's Six Pack portable asphalt facility and a full-size Double Barrel Green System will be on show at the 2009 Excon in India, when the company will take part with its agent/licensee, TIL of Kolkata, India. Excon is being held in Bangalore from 25-29 November, when the model of the Six Pack will be shown to visitors. The Six Pack facility was introduced in the early 1980s as a truly portable facility available to hot mix asphalt producers, while the Astec Double Barrel Green s

Superior Industries says that its new transport conveyor system can improve efficiency during loading and unloading. This three unit Slide-Pac system allows 73m of conveyor to be carried to site in a single load. The system also features a roll-style slide-off design allowing fast unloading of the top two conveyors from the bottom trailer unit, while the unloading process takes just minutes to complete. The trailer unit can be raised to a 4.3m discharge height, is equipped with air brakes, a fifth wheel hit