Granite JV wins $325M Big Creek Tunnel job in Ohio

The 20-foot-diameter tunnel in Cleveland will help divert 550 million gallons of combined sewer releases annually from Lake Erie.  

In pictures: Hinkley Point C TBM completes fish return tunnel and site progress update

A tunnel boring machine (TBM) named Sarah Guppy has completed a 620m fish return tunnel under the Bristol Channel and has been retrieved by crane for use elsewhere. The post In pictures: Hinkley Point C TBM completes fish return tunnel and site progress update appeared first on New Civil Engineer.

Fish tunnel breakthrough at Hinkley Point C

The 620m tunnel for Hinkley Point C's fish return system has been completed, and the tunnel boring machine recovered.

TBMs Begin Digging for Hudson Tunnel Project

Excavation gets undeway on the first new rail tunnels to be built between New Jersey and New York in over a century.

TBMs Begin Digging for Hudson Tunnel Project

Excavation begins on the first new rail tunnels to be built between New Jersey and New York in over a century.

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?