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Tunnel Construction Tenders


132 Record Matches Your Request
Showing 1 - 10 Records
Tender Notice Type: Procurement News Country : Viet Nam
Tender Category: Industry - Cement , Industry , Infrastructure - Tunnels
Description: Vietnam : Workshop on "Solutions to improve productivity and product and goods quality of construction materials manufacturing industry"
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Tender Notice Type: Procurement News Country : Slovenia
Tender Category: Infrastructure - Tunnels , Infrastructure and construction
Description: Slovenia : Signed contract for construction of section from Pochehovo to Pesnica with construction of new tunnel Pekel and viaduct Pesnica
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Tender Notice Type: Procurement News Country : Ukraine
Tender Category: Infrastructure - Tunnels , Consultancy - Law
Description: Ukraine : The International Court of Justice ruled in favor of Ukraine, recognizing that it has jurisdiction in the case of Ukraine against the Russian Federation
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Tender Notice Type: Procurement News Country : Australia
Tender Category: Infrastructure - Tunnels , Transportation - Railways
Description: Australia : Metro Tunnel Creative Program Takes To The Skies
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Tender Notice Type: Procurement News Country : Mexico
Tender Category: Infrastructure - Tunnels , Transportation - Railways
Description: Mexico : CEMEX supplies concrete for renovation of Tunel de la Risa in Madrid, Spain
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Tender Notice Type: Procurement News Country : United States
Tender Category: Infrastructure - Tunnels
Description: United States : Governor Cuomo and Governor Murphy Announce Gateway Development Commission Appointments
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Tender Notice Type: Procurement News Country : Germany
Tender Category: Infrastructure - Tunnels
Description: Germany : Two Liebherr mixing plants Betonmix 3.0 master concrete production at Brenner Base Tunnel
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Tender Notice Type: Procurement News Country : United States
Tender Category: Infrastructure - Tunnels
Description: United States : Governor Cuomo Announces First Phase of L Project Tunnel Rehabilitation is Complete Ahead of Schedule and on Budget
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Tender Notice Type: Procurement News Country : Philippines
Tender Category: Infrastructure - Tunnels
Description: Philippines : PH Army re-designates MID to Armor Division
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Tender Notice Type: Procurement News Country : United Kingdom
Tender Category: Infrastructure - Tunnels
Description: United Kingdom : And they’re off: Hinkley Point C reaches another key milestone
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Tunnels are dug in various types of materials, from soft clay to hard rock, and the method of excavation depends on the ground conditions.

Cut-and-cover is a simple method of construction for shallow tunnels where a trench is excavated and roofed over. A strong overhead support system is required to carry the load of the covering material.

The Seikan Tunnel in Japan is the longest rail tunnel in the world at 53.9 km (33.5 mi), of which 23.3 km (14.5 mi) is under the sea.

The Channel Tunnel between France and the United Kingdom under the English Channel is the second-longest, with a total length of 50 km (31 mi), of which 39 km (24 mi) is under the sea.

The Lötschberg Base Tunnel in Switzerland is the longest land tunnel, with a total of 34.5 km (21.4 mi).
 
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