
A tunnel construction is an underground passage provided beneath earth surface or water. Different methods of tunnel construction and their details.

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Granite’s subsidiary, Kenny Construction, is a national leader in tunneling, completing more than $1 billion in tunnel projects in the last 10 years alone.

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The Construction of Recent Tunnels in Hong Kong Introduction The construction of tunnels is seldom notice by the public. There are practical reasons for this;

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Bechtel has delivered more than 100 tunnel projects and 220+ miles of tunnel. Projects include Crossrail in the UK and the Riyadh Metro.

Tunnel Construction: Soft Rock and Underwater - Tunneling through soft rock and tunneling present unique challenges. Learn how engineers deal with them.

Tunnel construction provides some of the harshest conditions in regards to confined spaces.

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Alibaba offers 1,655 equipment for tunnel construction products. About 1% of these are playground, 1% are other metal & metallurgy machinery, and 1% are testing equipment.

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Civil tunnel construction is an important part of our work. We have built tunnels for sewers, highways, railroads and hydroelectric projects. They have ranged from a few feet to forty feet in diameter and up to several miles in length.