NDCO Construction Services has just sold a third Roadheader to Sochi, Russia . The machine has just been delivered onsite where it will be used constructing tunnels for the 2014 Winter Olympics. The ...

MINSK, 16 October (BelTA) – The installation of the first shaft boring roadheader (SBR machine) has begun in the Nezhinsky potash mining and processing factory in Lyuban District, Minsk Oblast, BelTA ...

Roadheaders are pivotal machines in underground excavation, combining mechanical cutting heads with hydraulic or electro-hydraulic drives to excavate rock and coal. Performance prediction and control ...

ORINDA — A giant digging machine this week carved the first few feet of earth and dirt out of the hills for the Caldecott Tunnel’s fourth bore, a $420 million project to reduce congestion on Highway ...

One of the most iconic objects of the National Coal Mining Museum is to be restored.

Sandvik Mining and Construction has launched a new class of roadheader for tunnelling in medium to hard rock. Sandvik says the modular design of the MT520 means it can be adapted to a range of ...

The Sandvik MT520 is a new roadheader in the 91-t class, built for increased productivity and safety. The machine has easily exchangeable modules, which form the basis for cost-effective excavation in ...

Corporation, announced yesterday that the cut is to be implemented to ''bring the productive capacity of the Tunnelling Equipment Unit into line with reduced market demand''. The TEU makes roadheader ...

The LRT tunnel is half-filled with water directly under the Rideau Street sinkhole and the city doesn’t know yet if a “roadheader” machine is submerged. Steve Cripps, the city’s director of the rail ...

ORINDA — A giant digging machine this week carved the first few feet of earth and dirt out of the hills for the Caldecott Tunnel’s fourth bore, a $420 million project to reduce congestion on Highway ...