Russian operator company NCC (Nevskaya Concession Company) has placed an order with German manufacturer Herrenknecht for the world's largest tunnel boring machine (TBM). The Mixshield TBM, for construction of the Orlovski Tunnel, "will surpass all previous TBMs" with a diameter of 19.25m and it is designed to construct a mega-tunnel to link both halves of the centre of Russia's second city St Petersburg under the River Neva and speed up traffic.
Benninghoven has launched a cost-efficient alternating chute unit on its ECO asphalt mixing plant. The type ECO asphalt mixing plant range offers outputs from 100tonnes/hour to 320tonnes/hour to ensure maximum mobility and flexibility. The machines can be operated as stationary plant but the can also handle fast location changes without problems, according to Benninghoven. Benninghoven has always relied on loading skip technology as the link between mixer and loading silo. When working like this, the
The new Queensferry Crossing under construction in Scotland will be the third landmark bridge spanning the Forth Estuary - Mike Woof writes When the new Queensferry Crossing over the Forth Estuary opens at the end of 2016, it will be the third landmark bridge to be built spanning this short stretch of water. Lying alongside the existing road bridge and the historic rail bridge, this new structure will be as groundbreaking as the two earlier crossings were at the time of their construction.
