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Tunnel Construction Tenders


128 Record Matches Your Request
Showing 1 - 10 Records
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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Tender Notice Type: Procurement News Country : Australia
Tender Category: Infrastructure - Tunnels , Transportation
Description: Australia : Keeping Young People Out Of The Justice System For Good
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Tender Notice Type: Procurement News Country : Australia
Tender Category: Banking, Finance, Insurance and Securities (BFIS) , Industry , Infrastructure - Tunnels , Transportation - Railways
Description: Australia : First Metro Breakthrough at North Sydney
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Tender Notice Type: Procurement News Country : United Kingdom
Tender Category: Banking, Finance, Insurance and Securities (BFIS) , Defence , Infrastructure - Tunnels
Description: United Kingdom : DIO supports further renovation of RAF Lakenheath
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Tender Notice Type: Procurement News Country : Australia
Tender Category: Banking, Finance, Insurance and Securities (BFIS) , Infrastructure - Tunnels
Description: Australia : Community event to celebrate new bypass
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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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