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Tunnel

A tunnel is an underground or undersea passageway. It is dug through surrounding soil, earth or rock, or laid under water, and is usually completely enclosed except for the two portals common at each end, though there may be access and ventilation openings at various points along the length. A pipeline differs significantly from a tunnel,[clarification…

History, Applications & Art

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Overview

Etymology

History

Geotechnical investigation and design

Construction

Variant tunnel types

Safety and security

Examples

Mining

Military use

Secret tunnels

Natural tunnels

Major accidents

Bibliography

Advanced semantic analysis

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Map overview Semantic statistics

Tunnel

Nodes454
Edges453
Triples570
Avg. degree2
Density0.004405
Components1

How this topic connects Entity context

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Tunnel

Top relations

related to history · 213
Tunnel → Abercynon, Above, AD, Alpine, Apennines, Appennini Mounts, As, At, Austro-Hungarian Empire, Babylon, Bank, BC, Belos, Birkenhead, Birkenhead Park, Bourne's Tunnel, Box Tunnel, Boyabat, Built, Butterley
related to Notable · 74
Tunnel → Abandoned Pennsylvania Turnpike, Allegheny Mountain, Alpine Tunnel, Americas, Asia, Big Dig, Blue Mountain, Bogotá, Boston, Boston's, Both, Chicago, Colombia, Colombian Pacific, Colorado, Continental Divide, During, E69, England, European
related to Longest · 38
Tunnel → Asia, Aurland, China, English Channel, Europe, France, Gotthard Base Tunnel, Gotthard Massif, Hokkaido, Honshu, It, January, Japan, Lærdal, North, North West England, Norway, People's Republic, Rove Tunnel, Solbakktunnelen
related to Major accidents · 26
Tunnel → Alma, Balvano, Big Dig, Big Dig Ceiling, Boston, Caldecott Tunnel, Car, Channel Tunnel, Church Hill Tunnel, Clayton Tunnel, Concrete, Couronnes, Death, Diana, Fort Point, Heavy Good Vehicles, HGV, Mont Blanc Tunnel, Paris, Paris Metro
related to Secret tunnels · 20
Tunnel → Although, Berlin Wall, Border Security Forces, Cold War, Control, Cu Chi Tunnels, Egypt, Elaborately, Gaza Strip, India-Pakistan, Indian, Jammu, Kashmir, Line, Mexico-US, Secret, Several, Smugglers, Some, Underground Railroad
related to Bibliography · 18
Tunnel → August, Brian Webber, Ellis, Ellis' British Railway Engineering, Encyclopaedia, Iain, Interest In Great Tunnels, ISBN, June, Lulu, Progress In Technology Revives, Queensland, Railway Tunnels, Retrieved, Revised, Sullivan, The New York Times, Walter
related to Natural tunnels · 16
Tunnel → Hestmannen, Hindu, Hindus, India, Kerala, Lava, Lekamøya, Natural Tunnel State Park, Norwegian, Only, Punarjani Guha, Sømna, The, Torghatten, US, Virginia
related to Project planning and cost estimates · 16
Tunnel → Also, Civil, Government, However, Increased, Large, New Jersey, New York, New York Harbor, Political, Port Authority, Representatives, The, Understanding, US House, When
related to Enlargement · 15
Tunnel → Auburn Tunnel, Edge Hill, England, Gib Tunnel, ISO, Lime Street, Liverpool, Mittagong, TBM, The, The Farnworth Tunnel, The Rhyndaston Tunnel, There, Train, Tunnels
related to Safety and security · 13
Tunnel → Balvano, Caldecott Tunnel, Carbon, Fires, Gotthard, In, Italy, Likewise, Motor, Over, Owing, Paris Metro, The

Important terminology Word statistics

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Important terminology

tunnels mi used km built railway long construction water road opened ft may rail world liverpool ground rock two underground

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Tunnelis aunderground or undersea passageway0.90text
Tunnelis a2.59 km0.90text
Tunnelis aworld's oldest railway tunnel traversed by rail wagons0.90text
Tunnelis aRove Tunnel in France0.90text
Tunnelis alongest stormwater drainage tunnel in South East Asia and second longest in Asia0.90text
a tunnel must be identifiedinstance ofusually through issuance of bonds.The costs and benefits for an infrastructure0.80text
Tunnelused forgrowing mushrooms.The 1832 double-track 1.6-kilometre0.80text
Tunnelrelated to Antiquity and Early Middle AgesPredecessors0.60section
Tunnelrelated to Antiquity and Early Middle AgesThe0.60section
Tunnelrelated to Antiquity and Early Middle AgesBC0.60section
Tunnelrelated to Antiquity and Early Middle AgesSiloam Tunnel0.60section
Tunnelrelated to Antiquity and Early Middle AgesJerusalem0.60section

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