Search Results: 'Herrenknecht'

Micro modifications give macro improvements
12 December, 2000
After over 15 years of development, microtunnelling is now practically a mature technology but some improvements are still being made.

Pressurised pipeline job
12 December, 2000

Westerschelde update
12 December, 2000

Paris A86 ring road tunnel start-up
12 December, 2000

Looking ahead for stability
14 November, 2000
While TBM technology has made various degrees of rapid face stabilisation possible during excavation, it can be a much more difficult task with open face excavation where TBMs are deemed not suitable. Yet even here ground control is becoming more and more sophisticated.

Herrenknecht UK delivery
13 November, 2000

Fast route through Zurich
15 October, 2000
Zurich's new railway tunnel has made exceptionally good going southwards, but now the north end must pass under buildings, sometimes just a few metres down. It will be difficult work.

Lötschberg – Steg and Raron
14 October, 2000

Six JVs bid for twin tunnels on Amsterdam Metroline
14 October, 2000

Record diving team takes pressure off Westerschelde
29 September, 2000

Hastings Bathing Water Improvement Scheme
01 September, 2000
The paper was presented by Marcus Cato of Southern Water, Colin Eddy, of Miller Civil Engineering, John Corcoran, the tunnel agent for Miller Civil Engineering, and Helen Nattras, the tunnel resident engineer for Charles Haswell & Partners.

Third Alp tunnel let
01 August, 2000

Determination to overcome difficulties
01 August, 2000
No stranger to meeting difficulties the tunnelling industry was presented with plenty during the past year.

Leading roles in LA
01 July, 2000
North America is a major growth area for microtunnelling. T&TI speaks to Paul Nicholas, president of leading firm Soltau Microtunnelling, about projects under way.

Snapshots of Scotland
01 July, 2000
Scotland's tunnels were the theme of a British Tunnelling Society informal dicussion on 13 April with a four part presentation. Chairman was David Donaldson.

Dutch courage
06 June, 2000
Soft soils; high pressure ground water; complex existing infrastructure: these are some of the problems posed by the Netherlands for the tunnelling engineer. Here o. Prof. Dr.-Ing. Dr. h.c. mult. Bernhard R. Maidl, Ruhr-Universität Bochum, Germany, and ing. Jan H. Jonker, NS Railinfrabeheer, Utrecht, Netherlands, look at how shield tunnelling techniques were developed to tackle a number of large scale road and rail tunnelling projects.

Symposium provides gateway to China
06 June, 2000

Herrenknecht for Beijing Line Five
06 June, 2000

Madrid Metrosur contracts awarded
06 June, 2000

Driving beneath Buenos Aires
06 May, 2000
In its first five years' expansion plan to improve the potable water supply, Aguas Argentinas committed itself to spending $540m. As part of this plan, a 15.3km water supply tunnel has been built with a loan from the Inter American Development Bank. The new tunnel extends the existing tunnel network from the Saavedra connection structure to Moron. Future expansion is planned to take place in the 30 year long concession period. Nicola Della Valle, Production Manager,Wayss & Freytag-Sollazzo Hnos JV, describes this prestigious project.