- Greathead shield
- щит для проходки тоннелей (конструкции инженера Грейтхеда)
Англо-русский строительный словарь. 2013.
Greathead shield
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Greathead, James Henry — ▪ British engineer born Aug. 6, 1844, Grahamstown, S.Af. died Oct. 21, 1896, London, Eng. British civil engineer who improved the tunneling shield, the basic tool of underwater tunneling, essentially to its modern form. Greathead arrived… … Universalium
James Henry Greathead — Infobox Engineer image size = caption = Statue of Greathead in London which was only erected in 1994 name = James Henry Greathead nationality = birth date = 6 August 1844 birth place = Grahamstown, South Africa death date = 21 October1896 death… … Wikipedia
Tunnelling shield — A tunnelling shield is a protective structure used in the excavation of tunnels through soil that is too soft or fluid to remain stable during the time it takes to line the tunnel with a support structure of concrete, cast iron or steel. In… … Wikipedia
tunneling shield — ▪ engineering machine for driving tunnels in soft ground, especially under rivers or in water bearing strata. The problem of tunneling under a river had defied the engineering imagination for centuries because of the difficulty of preventing mud … Universalium
James Henry Greathead — Naissance 6 août 1844 Grahamstown, Afrique du Sud Décès 21 octobre 1896 … Wikipédia en Français
tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening … Universalium
Tower Subway — The Tower Subway is a tunnel beneath the River Thames in central London, close as the name suggests to the Tower of London. Its alignment runs between Tower Hill on the north side of the river and Vine Lane (off Tooley Street) to the south. Its… … Wikipedia
London Post Office Railway — Mail rail cars on the London Post Office Railway The Post Office Railway, also known as Mail Rail, was a narrow gauge driverless private underground railway in London built by the Post Office with assistance from the Underground Electric Railways … Wikipedia
City and South London Railway — A picture of a City South London Railway train from the Illustrated London News, 1890 The City and South London Railway (C SLR) was the first deep level underground tube railway in the world,[1][note 1 … Wikipedia
Tunnel — This article is about underground passages. For other uses, see Tunnel (disambiguation). Underground tunnel for heatpipes between Rigshospitalet and Amagerværket in Denmark … Wikipedia
Waterloo & City line — Infobox TfL line Line=Waterloo City ColourName=Teal TextColour=White YearOpened=1898 DeepOrSurface=Deep Tube RollingStock=1992 Tube Stock StationsServed=2 LengthKm=2.5 LengthMiles=1.5 AnnualPassengers=9,616,000 Depots=Waterloo The Waterloo City… … Wikipedia
