concrete lined shaft

См. также в других словарях:

• Shaft mining — Abandoned mine shafts in Marl, Germany. A …   Wikipedia

• Zero Gravity Research Facility (B-2) — Infobox nrhp | name =Zero Gravity Research Facility (B 2) nrhp type = nhl caption = location= Cleveland, Ohio lat degrees = 41 lat minutes = 24 lat seconds = 44 lat direction = N long degrees = 81 long minutes = 51 long seconds = 51 long… …   Wikipedia

• Glenn Research Center — NASA John H. Glenn Research Center at Lewis Field …   Wikipedia

• 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

• MetroWest Water Supply Tunnel — Official name MWWST Begins Marlborough Ends Weston Maintained by MWRA …   Wikipedia

• New York City Water Tunnel No. 3 — is the largest capital construction project in New York state s history and among the most complex engineering projects in the world today. It is being constructed by the New York City Department of Environmental Protection (DEP), and is intended …   Wikipedia

• Spangler, Pennsylvania — was a former borough located in Cambria County, Pennsylvania, USA, and named for a Colonel Spangler. The area was first settled by Europeans in the early to middle 1800s. The presence of the West Branch of the Susquehanna River allowed loggers to …   Wikipedia

• environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …   Universalium

• Western architecture — Introduction       history of Western architecture from prehistoric Mediterranean cultures to the present.       The history of Western architecture is marked by a series of new solutions to structural problems. During the period from the… …   Universalium

• steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …   Universalium

• metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …   Universalium