Search

Changes to the way bitumen is produced and traded mean that traditional ways of specifying – and buying - it may not be enough - Frank Albrecht, MD of Albr3cht Supply Concepts, explained why to Kristina Smith Traditionally, we have specified bitumen using two values: the penetration (pen) and ring and ball figures which define the hardness of the bitumen and its softening point respectively. Taking that approach today is risky, warns Frank Albrecht, managing director of Albr3cht Supply Concepts. “It’s not

Indeco breakers have been instrumental in excavating the Serra Rotonda Tunnel along the new Salerno-Reggio Calabria highway in southern Italy - Lucio Garofalo reports The A3 Salerno-Reggio-Calabria highway runs for some 443km, linking the A1 Milano-Napoli with the southernmost part of the country. A tunnel is a major link on this highway and was originally built between 1966 and 1974 in an area where road construction can be a challenge due to orography, geology and seismicity. Since 2001, the A3 has bee

Sometimes that tempting empty parking space may be clear for a reason. One motorist learned the hard way that it pays to think why no-one else has left their vehicle in that area.

The bauma China 2014 event held in Shanghai from 25th-28th November set a series of records, most notably with its attendance hitting 191,000 visitors, an increase of 6% from the previous show in 2012. The show had a very strong international presence with visitors from 149 countries, as well as a strong showing in respect to international buyers, up some 12% from 2012. Meanwhile there were 3,104 exhibitors from 41 countries, an increase of 14%. The four day bauma China 2014 event was held at the Shanghai N

In Italy an MP1000 cutting system from Simex has been used to help resurface the walls of a highway tunnel. The SS51 State Road crosses through the Dolomites in the north-eastern Alpine Region of Italy. The SS51 starts in San Vendemiano in the province of Treviso and ends in Dobbiaco in the province of Bolzano and is a key road because it connects Cadore and the main towns in the area of Cortina d'Ampezzo. This 134.4 km road has expansion work and upgrades to improve safety and boost capacity. One the mo

CIFA recently introduced a series of new tunnelling machines, with a keynote launch being for the Coguaro4. Designed to be both compact and productive, the Coguaro4 is 2.5m tall and its drum has a maximum capacity of 4m3. Versatile and manoeuvrable, the machine features an innovative electrically operated hydraulic transmission, a hydraulic pump and two hydraulic motors mounted directly on the axles. This configuration is said to ensure maximum drive, reliability and minimum fuel consumption. Four driving a

By supplying the 3800 CR as a rear loader, Wirtgen not only offers an efficient and flexible solution for in-situ cold recycling: the 3800 CR also excels as a high-performance cold milling machine. The Wirtgen cold recycler‘s versatile applications are just what the US road construction contractor Dunn prizes, for they enable the company to use the machine for a wide range of tasks, fully utilizing its capacity. ”The work is really challenging, with varying site conditions, complex designs, and tough mater