5,208 articles
Gargoyle
A gargoyle is a carved stone waterspout that projects from a building and throws rainwater clear of its walls; decorative carvings without this drainage function are called grotesques.
Gariep Dam
Gariep Dam, formerly the Hendrik Verwoerd Dam, is South Africa's largest dam by storage, a concrete arch dam on the Orange River begun in 1965 and storing water from 1971.
Garret P. Westerhoff
Garret P. Westerhoff is an American environmental engineer who spent 34 years at Malcolm Pirnie, rising to chairman and CEO, and joined the National Academy of Engineering in 2000.
Garrison Dam
Built by the U.S. Army Corps of Engineers, Garrison Dam is a rolled earthfill dam on the Missouri River near Riverdale, North Dakota, which was completed in 1955.
Garrison Diversion Unit
The Garrison Diversion Unit is a Bureau of Reclamation project in North Dakota, authorized in 1965 to divert Missouri River water for irrigation and water supply.
Gas Street Basin
Gas Street Basin is a canal basin in central Birmingham where the Worcester & Birmingham Canal meets the Birmingham Canal Navigations Main Line, once separated by the Worcester Bar.
Gaston Dam
Gaston Dam is a hydroelectric dam on the Roanoke River in Halifax County, North Carolina, completed in 1963 by Virginia Electric and Power Company, impounding the 34-mile Lake Gaston.
Gatcombe Park
Gatcombe Park is a Georgian country house and 730-acre estate in Gloucestershire, England, built in the 1770s and the private country home of Anne, Princess Royal since 1976.
Gate valve
A gate valve, also called a sluice valve, is a valve that starts or stops flow by sliding a flat gate across the passage, used fully open or fully closed.
Gatehouse (waterworks)
A gatehouse, also called a gate house or valve house, is a structure at a dam or reservoir housing the gates, valves, or pumps that regulate stored water.
Gateway Program (Northeast Corridor)
The Gateway Program, also called the Gateway Tunnel Project, is a set of rail projects on the 10-mile Northeast Corridor between Newark, New Jersey, and New York Penn Station.
Gatun Lake
Gatun Lake (Lago Gatún) is an artificial lake in Panama formed in 1913 as the central part of the Panama Canal, 26 meters above sea level.
Gatun Locks
The Gatun Locks are a three-step flight of paired chambers on the Atlantic side of the Panama Canal, lifting ships 85 feet from sea level to Gatun Lake.
Gaunless Bridge
Gaunless Bridge was an iron railway bridge over the River Gaunless in County Durham, built 1823–1825 for the Stockton & Darlington Railway to George Stephenson's design.
Gavins Point Dam
Gavins Point Dam is an earth and chalk-fill dam on the Missouri River near Yankton, South Dakota, operated by the U.S. Army Corps of Engineers since 1955.
Gawdawpalin Temple
Gawdawpalin Temple (ဂေါတော့ပလ္လင်) is a large two-storey Theravada Buddhist temple in Old Bagan, Myanmar, begun by King Narapatisithu in the late 12th century and completed by his son Htilominlo.
Gaylord Opryland Resort & Convention Center
Gaylord Opryland Resort & Convention Center, also known as Opryland Hotel, is a large hotel and convention complex in Nashville, Tennessee, opened in 1977 and known for its glass-roofed indoor garden atriums, waterfalls, and indoor river.
Gazebo
A gazebo is a roofed structure, usually open on the sides, built in gardens and parks for shade and views; the word first appeared in English in 1752.
Gazi Husrev-beg Mosque
The Gazi Husrev-beg Mosque (Bosnian: Gazi Husrev-begova džamija), locally Begova Mosque, is a 16th-century Ottoman mosque in Sarajevo built in 1530/31 by Gazi Husrev-beg, one of Bosnia's largest.
GB 50010
GB 50010 is China's national standard for the design of concrete structures, issued by the Ministry of Housing and Urban-Rural Development and first effective in 2011.
GB 50011
GB 50011, the Standard for Seismic Design of Buildings, is China's national standard for the seismic, isolation, and energy-dissipation design of buildings, mandatory at intensity 6 or above.
General contractor
A general contractor, also called a main or building contractor, holds the primary contract for constructing an entire project and subcontracts specialized trades such as electrical and plumbing.
Gensler
Gensler is a global architecture, design, and planning firm founded in San Francisco in 1965 by Art Gensler, now the largest architecture firm in the United States by revenue.
Geodesic dome
A geodesic dome, also called a geodome, is a lightweight spherical structure of triangular struts, first built for a German planetarium in 1922 and popularized by Buckminster Fuller.
Geological strength index
The geological strength index (GSI) is a rock mass characterization system developed by Evert Hoek in 1994, estimating strength of jointed rock masses for tunnel, slope, and foundation design.
Geomembrane canal lining
Geomembrane canal lining is the use of welded impermeable polymer sheets to seal irrigation canals against seepage, cutting losses that can reach 30 to 50 percent of carried water.
Geopolymer concrete
Geopolymer concrete (GPC, also called geocrete) is concrete whose binder comes from alkali-activated fly ash, slag, or metakaolin, cutting CO2 emissions by up to 70%.
George Clarke (architect)
George Clarke, born 1974 in Sunderland, is a British architect and television presenter known for Channel 4 programs including The Home Show and George Clarke's Amazing Spaces.
George Evangelos Leventis
George Evangelos Leventis is a Greek-American geotechnical engineer who leads Langan Engineering's international practice and was elected to the National Academy of Engineering's Class of 2026.
George Washington Bridge
The George Washington Bridge, also called the GW Bridge, is a double-decked suspension bridge carrying Interstate 95 across the Hudson River between Manhattan and Fort Lee, New Jersey.