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The crushing and screening phase is a crucial component in aggregate production and new development will help optimise performance - Mike Woof reports Crushing and screening is a key part of the quarrying cycle and has a huge impact on overall operating performance. Optimising operations will cut running costs, reduce materials wastage and also provide a more consistent product quality, boosting cost-effectiveness dramatically. An array of innovations were revealed to the market at the recent INTERMAT 2012

A new series of rugged, hydraulically-powered rotation units for use with any type of DTH (down-the-hole) hammer in the 92-203mm range as well as ITH (in-the-hole) underground production work with Simba drill rigs, has been introduced by Atlas Copco. The DHR 6 is the latest unit in the company's well known DHR series and complies with demands for air pressure of up to 35 bar and a maximum torque of 6kNm. This means the unit will allow a DTH hammer to be run at much greater power, significantly accelerating

Sibylle Rupprecht, IRF-GPC Director General, looks towards sound mobility management at the 3rd Regional Conference of the International Road Federation 3rd-4th October 2008 in New Delhi, India More than 1.2 million deaths and 23 million injuries are caused by road accidents worldwide every year. Of these, India accounts for 10% of fatal accidents. These alarming figures were disclosed by the speakers at the 3rd Regional IRF Conference on 'Mobility and Safety in Road Transport' to some 250 engineers and exp

A new bridge will improve cross border connections between Zambia and Botswana. The Kazungula Bridge will be constructed by Zambia, which will also build a new border post. Construction work is expected to commence once discussions between Zambia and Botswana have been completed. The Japanese Government is also involved in the discussions, as it is jointly funding the project in partnership with the African Development Bank (AfDB). Construction of the bridge is expected to cost in the region of US$200 milli

The current US transportation funding law expires in September 2009. The current law allocates US$286 billion to highway and transportation projects. However, simply re-authorising the same amount will not be sufficient to build, maintain and improve the nation's roads, bridges, airports, and other deteriorating infrastructure. The backlog of projects unaddressed has swollen to the point where the American Society of Civil Engineers (ASCE) says it will take $1.6 trillion to address the country's road and in

The UK’s Construction Equipment Association plays a key role in Europe - Mike Woof writes The UK’s Construction Equipment Association (CEA) is playing an important role within Europe, for manufacturers, customers and also for the wider benefit of industry as a whole. One important project where the CEA is closely involved with other sister organisations within the pan-European organisation CECE is with the rationalisation of machine regulations. Requirements were supposed to have been harmonised in 1992, an

Steady growth in machine sales reflects global demand for construction equipment - Mike Woof reports Keynote speakers at the UK’s Construction Equipment Association (CEA) recent annual general meeting revealed steady demand for new machines worldwide. Although Europe’s economy remains troubled, worldwide machine sales are strong and exports are providing huge turnover for manufacturers. Colin Timms of Off-Highway Research said that global equipment sales last peaked in 2007 at $98 billion, falling to $55 b

As Russia prepares for a major Asia Pacific conference in nearly four years' time, the economic climate is felt in other countries in the region. Patrick Smith reports AUS$1 billion-plus suspension bridge is to be built to link the city of Vladivostok in the far east of Russia and Russky Island. Russia's President Dmitry Medvedev has signed an instruction for construction of the 3,150m long bridge, which is intended to provide access to the 24th Asia Pacific Economic Cooperation (APEC) summit, to be held o