The Swiss Federal Supreme Court has upheld two appeals against decisions of the Swiss Federal Administrative Court of March 2014 in connection with the award of railway infrastructure systems for the Ceneri Base Tunnel. The judgements of the Federal Administrative Court have been annulled. The original decisions of AlpTransit Gotthard Ltd (ATG) for the awards are confirmed.
Herrenknecht AG has developed a next generation of the rodless shaft enlargement machines that have been established on the market for decades as so-called V-Mole technology. Herrenknecht worked closely together with two very experienced companies highly renowned in the mining industry, Thyssen Schachtbau and Murray & Roberts Cementation, to update and adapt the technology to current conditions and requirements. The result is the SBE (Shaft Boring Machine for Shaft Enlargement). It facilitates high sinking speeds and maximum working safety for shaft boring using the pilot borehole.
Femern A/S has now selected the group of firms and consortia that are pre-qualified for the contracts for the Fehmarnbelt tunnel’s electrical and mechanical installations as well as the...
Defined in accordance with clients, contractors and test centres, this set of guidelines provides recommendations for describing soft ground (coarse-grained soils and gravel mixtures with a maximum...
Malaysia’s capital Kuala Lumpur is a humid tropical metropolis with millions of inhabitants, but fresh water is still in demand. A new tunnel was commissioned by the Malaysian Ministry of Energy, Green Technology, and Water (KeTTHA), drawing water from the rainforest river Semantan and into the capital to address projected shortages for domestic and industrial use. In 2014, three 5.23 m (17.16 ft) Robbins Main Beam TBMs successfully completed excavation of the Pahang Selangor Raw Water Tunnel, also the longest tunnel in Southeast Asia. with 44.6 km (27.7 mi), passing through the Titiwangsa mountain range under cover as high as 1246 m (4087 ft).
Some 1400 participants from 52 countries got together from May 9 to 14, 2014 in Foz do Iguaçu, Brazil on the occasion of the 40th Annual Meeting of the ITA – International Tunnelling and Underground Space Association – in conjunction with the 2014 World Tunnel Congress. The Congress organized by the Brazilian Tunnelling Committee (CBT) bore the motto “Tunnels for a better Life”. 52 of the 71 ITA member countries were present in Foz do Iguaçu. The quota of 82 % attained at the previous gathering in Geneva last year thus dropped to 73 %.
A specialized EPB broke through on June 11, 2014, marking the completion of twin tunnels at San Francisco’s Central Subway in California, USA. The first of the two machines holed through on June 2....
The Supervisory Board and Board of Management of Herrenknecht AG have initiated a generational change in the top management: With effect from August 1, 2014 the senior management executives Günter Richter (54), Ulrich Schaffhauser (50) and Michael Sprang (36) have risen to the ranks of top management as Deputy Members of the Board of Management.
Every year, the Underground Construction Association of the Society for Mining, Metallurgy & Exploration (UCA of SME) honors an “Outstanding Individual” at its annual awards banquet, held in...
The 3350 m long Küblis Bypass between Dalvazza and Prada in the Canton of Graubünden is intended to relieve the municipality of through traffic on the A28 national highway. The 2255 m long tunnel is...
