When it opens the 57 km long Gotthard Base Tunnel between Erstfeld in the Canton of Uri and Bodio in Ticino will be the world’s longest rail tunnel. Its two single-track tunnel bores are linked with...
After only three months of work a Robbins 6.15 m (20.2 ft) diameter EPB machine finished its excavation task in China’s capital Beijing. The machine had bored through 2.3 km (1.4 mi) of soft soils,...
Conveyance of the excavated material from the cutting wheel towards the rear must therefore be carried out by a circuitous route with the material first being lifted by the cutting wheel and then...
The Portuguese construction company Teixeira Duarte, Engenharia e Construções, S.A. and the Venezuelan Precomprimido C.A pulled together their strengths to form the multinational Boyaca-La Guaira...
The development of tunnel boring machines is an industrial high-tech sector that also stimulates high quality and even groundbreaking new methods in the field of concrete formwork and tunnel lining....
Albert Einstein once asserted that you recognize a really good idea by the fact that it seems to be impossible to be realized from the very outset. This quote often characterizes the activities of...
More vulnerable road users require special protection on road traffic. However, no new basic set of draft regulations relating to age or particular groups is needed. This was revealed by a study...
Public commuter transportation represents the central element of the urban infrastructure. Incidents involving violence, damage to property and vandalism in buses and trains as well as at stops can...
The State of Qatar is pursuing an ambitious vision destined to provide the highest standards of living to the country by the year 2030. An important component for this is a modern transport...
Graffiti artists love to leave their supposed works of art all over the place on large areas, the fronts of buildings, bridges, underpasses as well as transport tunnels. Their graffiti are annoying...
