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shotcrete gun

См. также в других словарях:

  • Shotcrete — and gunite are two commonly used terms for substances applied via pressure hoses. Shotcrete is mortar or (usually) concrete conveyed through a hose and pneumatically projected at high velocity onto a surface. Shotcrete undergoes placement and… …   Wikipedia

  • shotcrete — or gunite Concrete applied by spraying. Shotcrete is a mixture of portland cement, aggregate, and water conveyed by compressed air to a spray gun. For structural uses, shotcrete is usually sprayed over a framework of reinforcing bars and steel… …   Universalium

  • gunite — /ˈgʌnaɪt/ (say gunuyt) noun a dry mixture of cement and sand which is conveyed through a hose with water added as the mix passes through the nozzle, the output being applied under pressure to a surface. Compare shotcrete. {gun (def. 4) + ite1} …  

  • 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

  • Эйкли, Карл Итан — Карл Эйкли англ. Carl Ethan Akeley …   Википедия

  • Carl Akeley — Infobox Scientist name = Carl Akeley box width = image width =150px caption = Carl Akeley birth date = 19 May 1864 birth place = Clarendon, New York death date = 18 November 1926 death place = residence = citizenship = nationality = ethnicity =… …   Wikipedia

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