How two 19th century railway tunnels are being enlarged with minimal disruption to services

Two 19th century railway tunnels in Germany are being enlarged and renovated with minimal disruption to services, thanks to an established construction method enabled by a newly-launched Herrenknecht system. The post How two 19th century railway tunnels are being enlarged with minimal disruption to services appeared first on New Civil Engineer.

Herrenknecht Tunnel Boring Machine Digs Out Key Links in Germany for North Sea Power

German-based TBM manufacturer is progressing on a challenging dig under the Elbe River estuary, and expects further tunnel work in the future as Germany prepares significant investments in infrastructure.

German engineer hired to study Gibraltar tunnel idea

German tunnel specialist Herrenknecht will study the feasibility of building a high-speed rail tunnel between Morocco and Spain, Arabian Gulf Business Insight (AGBI) reports. Spain and Morocco have been considering… The post German engineer hired to study Gibraltar tunnel idea appeared first on Global Construction Review.

Herrenknecht tunnel enlargement system used on live railway in Germany

Tunnelling technology firm Herrenknecht has successfully utilised its Tunnel Enlargement System (TES) to widen the profile of two ageing railway tunnels in Germany while trains continued to run. The post Herrenknecht tunnel enlargement system used on live railway in Germany appeared first on New Civil Engineer.

Jumbo TBM delivered for Yellow River project

Herrenknecht has built one of its largest ever tunnel boring machines for a project in China.