Dr. Spang Ingenieurgesellschaft für Bauwesen, Geologie und Umwelttechnik mbH is a SME engineering office with branches in Witten (North Rhine-Westphalia), Esslingen/Neckar (Baden-Württemberg),...
Temperatures in the ground are not distributed evenly. Outside of Europe there are sections of the earth’s crust, where the geothermal depth range amounts to between 90 and 125 m/°C, whereas in...
The deep geothermal exploitation of energy in the form of heat and electricity is bound to grow considerably in significance both ecologically and economically in future owing to the scarcity of...
To meet the growing necessity of the metropolitan and touristic area of Abu Dhabi, during the year 2008 ADSSC has started the STEP project (Strategic Tunnel Enhancement Programme), which will be...
The “Dartford Crossing”, a complex comprising 2 tunnel bores and a cable-stayed bridge in the east of London, is numbered among the most important and busiest transport hubs in England. It was decided...
Introduction
As a relatively mature industry, the world of machine tunneling is more conservative than it once was. While there is a place for standardized machinery and design elements on many...
The 2013 STUVA Conference, the get-together for everything and everyone involved in underground construction, will take place from November 27 – 29 in Stuttgart. With the Conference and its...
1 General
More than 1,800 tunnellers from 58 countries got together in Geneva, Switzerland from May 31 to June 5, 2013. The occasion was the 39th General Assembly of the ITA – International...
In March 2013, after eight years of tireless work, the largest hydroelectric project in Ontario in the past 50 years came to completion to the cheers of hundreds of onlookers. The new 10 km long...
Back in the 1970s, my father always said – I can’t remember any further back: “whatever fails the test of time over 50 years isn’t included in the DIN standards”. I found this statement...
