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This tunnel boring machine breakthrough

Science girl

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6,814,267 次观看 • 1 年前 •via X (Twitter)

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11 条评论

Waleed🧩 的头像

Waleed🧩1 年前

Fascinating power #zelena #BBMzansiumililo

Solar Heavy 的头像

Solar Heavy1 年前

this reminds me of driving through a city

Epic Posts Daily 𝕏 的头像

Epic Posts Daily 𝕏1 年前

Tunnel boring machine at work

HAPPYNESS 的头像

HAPPYNESS1 年前

Did you know ?? How a tunnel boring machine works

Jade Explorer 的头像

Jade Explorer1 年前

The Herrenknecht TBM (The Boring Machine) breaks through the 3200 meter long Belchen tunnel after 72 weeks.

HAPPYNESS 的头像

HAPPYNESS1 年前

The Herrenknecht TBM (The Boring Machine) breaks through the 3200 meter long Belchen tunnel after 72 weeks

HAPPYNESS 的头像

HAPPYNESS1 年前

The Herrenknecht TBM (Tunnel Boring Machine) breakthrough is a significant event in the construction of the Belchen renovation tunnel in Switzerland. The project involved a Herrenknecht Single Shield TBM, which is a type of machine used for digging tunnels through various geological conditions. This particular TBM was used to create a new tunnel tube parallel to the existing Belchen tunnel system, which is an essential part of the north-south road traffic route via Gotthard in Switzerland. The Belchen renovation tunnel cuts through the Jura Mountains between Basel and Lucerne and is crucial for both international and domestic Swiss traffic. Due to increasing rock pressure, the existing two-lane dual carriageway tubes of the A2 road tunnel required urgent repair for operational safety. The new refurbishment tunnel was driven through the mountain at a distance of between 40 and 116 meters from the existing tunnel system. The Herrenknecht TBM faced challenging ground conditions, including soft layers of rock alternating with up to 225 MPa hard layers, karstified and/or water-bearing transition zones, squeezing opalinus clay, and swelling gypsum keuper. Despite these challenges, the TBM crew managed to complete the tunnel breakthrough at the northern portal at Eptingen after approximately 16 months of tunnelling, which was three months ahead of the original schedule.

HAPPYNESS 的头像

HAPPYNESS1 年前

French and British workers meet while digging the Channel Tunnel that connects Britain and mainland Europe (1990)

TooFuginBad 的头像

TooFuginBad1 年前

That is such a boring company.🤣

Rumi Verses 的头像

Rumi Verses1 年前

Dutch highway tunnel built in a one weekend 😳

Dreams N Science 的头像

Dreams N Science1 年前

Wow impressive! The largest tunnel boring machine has a shield diameter of **17.63 meters** (57 feet 10 inches). This machine was used to excavate the Chek Lap Kok to Tuen Mun subsea road tunnel in Hong Kong, China.

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in the words of Willie Nelson, the tunnel boring machine cutterhead was on the road again today. it was safely transported from the Shoreline Storage Tunnel to the Southerly Storage Tunnel shaft sight early this afternoon.

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The Boring Company’s Prufrock is one of the most advanced tunnel boring machines ever built Traditional tunnel boring machines work in slow cycles: dig → stop → install tunnel liner → move forward → repeat Prufrock was redesigned to do all these operations simultaneously As the cutterhead excavates through the ground, the machine installs concrete tunnel segments behind it, allowing it to keep advancing without constant stops Material is removed using augers and conveyor systems, while the operation is increasingly automated and remotely controlled from The Boring Company’s Operations Center, with the goal of zero people inside the tunnel during normal operations And this is the real breakthrough: • dramatically faster tunneling • lower infrastructure cost • less manual labor • scalable underground transportation networks The Boring Company is trying to industrialize tunneling the same way Henry Ford industrialized manufacturing And Prufrock is the machine that could make true 3D transportation networks under cities possible by removing the biggest bottlenecks in traditional tunneling

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26,567 次观看 • 27 天前

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