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- Channel Tunnel - Wikipedia
The plan described a government-funded project to create two tunnels to accommodate car shuttle wagons on either side of a service tunnel Construction started on both sides of the Channel in 1974
- Chunnel Construction: Engineering Marvel Safety Innovations - Corfix
Construction began in 1988 and was divided into three sections: the tunnel under the English Channel, the two undersea approach tunnels, and the link between the two national networks Over 15,000 workers from both countries worked tirelessly to complete the project
- The Channel Tunnel - Institution of Civil Engineers (ICE)
The Channel Tunnel — also known as the 'Chunnel' and the Eurotunnel — is the longest undersea tunnel in the world at 50 45km (31 5mi) long Of those, 37 9km (23 5mi) are under the English Channel
- The Chunnel Project - PMI
The Channel Tunnel (Chunnel) project, launched to create a connection between England and France via an underground tunnel, represents one of the largest privately funded construction projects ever taken
- The Channel Tunnel: The Longest Underwater Tunnel in the World
The construction involved complex boring tools to drill through the chalk marl layer underneath the sea, a geologic formation that offered a relatively stable ground for boring
- Channel Tunnel: Construction of the World’s Longest Underwater Tunnel
The Channel Tunnel, also known as Eurotunnel or Chunnel, is the world's longest underwater railway tunnel built to connect the United Kingdom with Europe via France
- Under the Waves: How Tunnel Boring Machines Built the Chunnel
The true heroes of the Chunnel story are the Tunnel Boring Machines, often described as ‘underground factories’ or ‘mechanical moles’ These weren’t just drills; they were mobile construction sites, each capable of multiple complex tasks simultaneously
- BUILDING BIG: Databank: Channel Tunnel (Chunnel) - PBS
At the time it was being built, the Chunnel was the most expensive construction project ever conceived It took $21 billion to complete the tunnel That's 700 times more expensive than the
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