A new tunnel formwork system from Pilosio reduces the time needed for assembly. Made from standard components, this can be used for a wide range of geometries.
New Zealand prime minister John Key led an official ground-breaking ceremony this week to allow the start of excavation work for two new 2.4km-long motorway tunnels beneath suburban Auckland. The Waterview Connection project is on schedule to begin its main construction phase next year, and the prime minister was on hand to turn the first soil for a 30m-deep trench which is needed to allow access for the tunnels’ southern approach trench in the west Auckland suburb of Owairaka.
New smart dozers provide faster working and greater efficiency - Mike Woof reports
Both Caterpillar and Komatsu are making key moves in offering intelligent bulldozing capabilities on their latest machines. In the medium-sized bulldozer market, both companies have sophisticated new models that will increase both productivity and finish quality, while lowering running costs for the user.
Benninghoven claims that its innovative asphalt transfer system boosts the capabilities of the firm’s ECO mixing plant range. The newly developed alternating chute unit is fitted to the firm’s ECO asphalt plant and is said to be a key development for the sector, with a patent pending. The ECO asphalt plant is offered with output ranging from 100-320tonnes/hour and is said to combine the latest Benninghoven technology and quality. Designed for mobility, the plants fit inside standard shipping containers
Even as work continues on La Linea tunnel in Colombia, the country’s government has received a proposal for an additional tunnel link. A consortium made up of Colombian companies and Italian firms has suggested building a new tunnel to link Quindio and Tolima. Odinsa, Mincivil, Impregilo and Salini are involved in the consortium and have suggested a PPP as being a possible model under which to construct the link, which could cost in the order of US$531 million and would be 8.5km long. The economic case for
