Search Results: 'Herrenknecht'

Look back to move forward
27 December, 2012
Last month the world’s oldest working digital computer was rebooted after three years of painstaking rebuilding. The machine was found in a storeroom where it had been left abandoned for 15 years. In its prime in the 1950s the computer had been used by the UK’s atomic energy research programme. The 2.5t machine will now take pride of place at Bletchley Park, the site of the English code breaking efforts during World War II.

On the cutting edge
27 December, 2012
The process of mechanical excavation through dry ground, whether hard or soft, is pretty well understood. For ‘mixed’ ground, of whatever form, it is a different matter, especially if it is deep under groundwater. Maurice Jones reports that there is a consequent rush of TBM cutter development activities to gain the best competitive, and cutting, edge

German minister visits Indian tunnel project
27 November, 2012
Germany's minister of economic affairs, Philipp Rösler, visited a Herrenknecht jobsite in India earlier this month, the company announced. Rösler, visited the "Mandi House" metro jobsite in New Delhi at the beginning of November 2012, gaining in advance an idea of German-Indian economic relations.

Cleaner Columbus
22 November, 2012
The spine of Colombus’s Wet Weather Management Plan, OARS, will be operational by the last day of 2014, by EPA consent decree. Technical journalist Rhian Owen checks up on progress

A glowing report
23 October, 2012
The TAC directors provide an update for each region

EPBM supplied for Rio's metro Line 4
10 October, 2012
A TBM with a 11.46m diameter has been supplied for the construction of the new metro Line 4 in Rio de Janeiro, Brazil. Brazilian construction companies Construtora Norberto Odebrecht S.A/Construtora Queiroz Galvao S.A/Carioca Christiani Nielsen Engenharia has accepted the Herrenknecht AG machine, which will be used to bore a 4.6km long section of the 14km metro line.

Change in Herrenknecht's supervisory board
26 September, 2012
Lothar Späth resigned from the position of supervisory board chairman for Herrenknecht due to age reasons at the company's supervisory board meeting earlier this week. Späth, who held the position for 14 years, is succeeded as supervisory board chairman by the chairman of the board of management of Landesbank Baden-Württemberg, Hans-Jörg Vetter.

TGV Paris-Strasbourg milestone reached ahead of schedule
12 September, 2012
TBM Charlotte has reached the west side of the Vosges Mountains, completed excavation for the first tube of the Tunnel de Saverne, two months earlier than planned. The tunnel, which is part of the TGV Paris-Strasboug line, was completed in late June 2012, Herrennecht announced last week.

Early brekthrough at Tunnel de Saverne
07 September, 2012
The first tube has broken through on Tunnel de Saverne. The machine boring the high speed rail project in the Vosges Mountains in eastern France reached the western side two months ahead of schedule. Contractors Spie Batignolles TPCI and Dodin Campenon Bernard worked for client Resau Ferre de France.

Warsaw line two
28 August, 2012
Two of four TBMs have begun drives for the second line of the Warsaw metro system. Technical journalist Adrian Greeman looks at the challenges of cutting under a bomb littered city and the race to complete

Prague Metro’s return to TBMs
28 August, 2012
Ermin Stehlik and David Cyron of Czech contractor Metrostav give this detailed look at the extension to Prague’s Metro Line A and the return to TBM driven tunnels

World's largest TBM completes first drive
21 August, 2012
The TBM being used to build a twin-tube Sparvo road tunnel located between Bologna and Florence, broke through the northbound tunnel of on 25 July.

European research project tunnel system completes
08 August, 2012
Excavation of a tunnel system for the XFEL European research facility in Hamburg, Germany, has completed successfully, when the AMELI TBM entered its last target shaft in June 2012. In three years time electron and x-ray light will be flowing from the project tunnel system, Herrenknecht announced late last week.

Herrenknecht celebrates anniversary
18 July, 2012
The TBM giant recently celebrated its 35-year anniversary as well as the chairman of the board of management's own milestone birthday, Herrenknecht revealed earlier this week.

Deep drives
18 July, 2012
The central element of the North-South line, in engineering terms and literally on the route line, is the bored tunnel section. Adrian Greeman visits the project

New compressed air guidelines
10 July, 2012
The March BTS meeting marked the launch of the joint ITA and BTS guidelines for good working practice in high-pressure compressed air (HPCA). BTS input had been through its Compressed Air Working Group. Donald Lamont, principal author of the document, summarised the guidelines. Werner Burger, chief design engineer for Herrenknecht spoke on the problems of HPCA for a manufacturer. Tony Ridley of Tony Ridley Hyperbaric Associates outlined UK experience with HPCA. And Claus Mayer, managing director of Nordseetaucher gave an account of his experiences with HPCA

Morocco’s record microtunnel
05 July, 2012
Morocco’s biggest microtunnelling project in length and diameter is Casablanca’s first as the city prepares to connect a new water treatment plant to its sewer network. Dirk Derycke, division manager tunnelling for Belgian contractor Denys gives this report on works in progress

Two worlds of tunnelling
03 July, 2012
The Middle East stays strong on tunnelling for its new dream cities, while a belt of hydropower projects buoys the African market. Alex Conacher reports

Intercept the flow
26 June, 2012
The spine of Colombus’s Wet Weather Management Plan, OARS will be operational by the last day of 2014, by EPA consent decree. Technical journalist Rhian Owen checks up on progress

STFA completes Bosphorus water tunnel
22 June, 2012
Turkish group STFA has announced the construction of a water supply tunnel underneath the Bosphorus strait, which spans the Bosporus linking Asia to Europe.The tunnel will be operational next month.