pavement classification number — A number expressing the bearing strength of a pavement for unrestricted operation (ICAO). PCNs are calculated in terms of a standard single wheel load. The values of PCNs for runways and other operating areas are published in relevant aerodrome… … Aviation dictionary
Track (rail transport) — Permanent way redirects here. For other uses, see Permanent way (disambiguation). Twin rail tracks in a wooded area … Wikipedia
airport — airport1 /air pawrt , pohrt /, n. a tract of land or water with facilities for the landing, takeoff, shelter, supply, and repair of aircraft, esp. one used for receiving or discharging passengers and cargo at regularly scheduled times. [1915 20;… … Universalium
Pavement Classification Number — The Pavement Classification Number (PCN) is an International Civil Aviation Organization standard used in combination with the Aircraft Classification Number (ACN) to indicate the strength of a runway, taxiway or airport ramp (or apron). This… … Wikipedia
road — roadless, adj. roadlessness, n. /rohd/, n. 1. a long, narrow stretch with a smoothed or paved surface, made for traveling by motor vehicle, carriage, etc., between two or more points; street or highway. 2. a way or course: the road to peace. 3. a … Universalium
Railroad tie — While wooden ties dominate North American railways, concrete is widely used in other parts of the world. A railroad tie/railway tie (North America), or railway sleeper (Europe) is a rectangular item used to support the rails in railroad tracks.… … Wikipedia
macadam — /meuh kad euhm/, n. 1. a macadamized road or pavement. 2. the broken stone used in making such a road. [1815 25; named after J. L. McAdam (1756 1836), Scottish engineer who invented it] * * * Form of pavement invented by John McAdam. McAdam s… … Universalium
Geoprofessions — is a term coined by ASFE/The Geoprofessional Business Association to connote various technical disciplines that involve engineering, earth and environmental services applied to below ground (“subsurface”), ground surface, and ground surface… … Wikipedia
Crocodile cracking — Crocodile cracking, also called fatigue cracking or alligator cracking, is a common type of distress in asphalt pavement. It is usually studied under the transportation section of civil engineering. Crocodile cracking is characterized by… … Wikipedia
Infrastructure — Public infrastructure Assets and facilities Airports · Bridges · Broadband … Wikipedia
Admiralty Islands campaign — Admiralty Islands Part of World War II, Pacific War … Wikipedia