Amtrak updates $6B Baltimore tunnel project

The megaproject — Amtrak’s largest-ever single infrastructure investment — seeks to curb congestion caused by the 153-year-old B&P Tunnel.

Trelleborg design engineering manager on extending immersed tunnels’ lifespan

With design lives stretching to 100 years and beyond, the challenge facing tunnel engineers is no longer simply delivering projects on time and on budget. The post Trelleborg design engineering manager on extending immersed tunnels’ lifespan appeared first on New Civil Engineer.

Protecting a Post Office tunnel beneath the new St Giles Quarter

A-squared Studio has devised a novel way to protect a Post Office tunnel beneath the new St Giles Quarter in London’s Holborn, as the tower above it is demolished and replaced with a new one. The post Protecting a Post Office tunnel beneath the new St Giles Quarter appeared first on New Civil Engineer.

Fehmarnbelt project director Guy Taylor on efficient megaproject delivery

After a multi-day operation, the first of the 89 elements which will be used to construct the Fehmarnbelt tunnel was successfully immersed in May. The post Fehmarnbelt project director Guy Taylor on efficient megaproject delivery appeared first on New Civil Engineer.

Documents Flagged Methane Risk Before Fatal India Hydropower Tunnel Blast

Rescue crews spent four days navigating toxic gases and floodwater before recovering final victims, shifting focus to safety oversight and tunnel construction practices in northeast India.

Autonomous vision-based bridge and tunnel strike prevention system

Autonomous vision-based bridge and tunnel strike prevention system for improved safety and more efficient asset management.

B1M - Austria is Digging a Tunnel Like No Other 14062023

The B1M look at the "blast and drill" method used to create new curved tunnels to link existing highways up to a new suspension bridge in Linz, Austria

HS2 - Progress on HS2’s Copthall Green Tunnel (as Western portal is complete) 15062023

Engineers working on the HS2 project are celebrating progress as they have completed the western portal of the Copthall Green Tunnel. Located in Hillingdon, the 880m long tunnel structure sits between the twin bored Northolt Tunnel and the Colne Valley Viaduct.

Tech Tacular - Britain's New Super Mine. Constructing The Deepest Mine In Europe 15052023

This video provides details about the Woodsmith polyhalite mine near Whitby. The mine is set to go into production in 2027 and is costing around £6 billion and will create over 2,000 jobs for the local area

HS2 - How HS2's Burton Green Tunnel will enhance the local environment in Warwickshire 06042023

The 700-metre Burton Green Tunnel, located in Warwickshire, is beginning to take shape as construction is ramping up. The tunnel will follow the existing disused railway line in the area and a key feature of the tunnel is that it will include enhanced environmental features. These include tree planting, new footpaths and better connections to local woods.

When planning, what are the key engineering considerations to ensure structural integrity?