2,617 articles
Albert R. Marschall
Albert R. Marschall (1921–2008) was a US Navy rear admiral and civil engineer who commanded the Naval Facilities Engineering Command and served as chief of civil engineers from 1973 to 1977.
Alcántara Bridge
The Puente de Alcántara is a Roman stone arch bridge over the Tajo at Alcántara, Extremadura, Spain, completed about 104 AD and still remarkably intact.
Alfred A. Yee
Alfred A. Yee (1925–2017) was an American structural engineer from Honolulu who pioneered precast, prestressed concrete construction and was elected to the National Academy of Engineering in 1976.
All-American Canal
The All-American Canal is an 80-mile gravity-fed irrigation canal in southeastern California, authorized in 1928 and delivering Colorado River water to the Imperial Valley since 1940.
Allegheny and Monongahela River locks and dams
The Allegheny and Monongahela River locks and dams are U.S. Corps of Engineers structures that allow deep nine-foot barge navigation, making Pittsburgh the second busiest inland port.
Alligator cracking
Alligator cracking, also called fatigue cracking, is a network of interconnecting cracks in asphalt pavement resembling alligator skin, caused by fatigue failure from repeated heavy traffic loading.
Almatti Dam
The Almatti Dam (ಆಲಮಟ್ಟಿ), officially the Lal Bahadur Shastri Dam, is a hydroelectric dam on the Krishna River in North Karnataka, India, and the main storage dam of the Upper Krishna Project.
Alqueva Dam
The Alqueva Dam is a 96-meter concrete arch dam on the Guadiana River in Alentejo, southern Portugal, closed in 2002 to store water for irrigation and supply.
Ambassador Bridge
The Ambassador Bridge, opened in 1929, is a privately owned suspension bridge over the Detroit River linking Detroit, Michigan, and Windsor, Ontario, and carries major U.S.-Canada truck trade.
American Bridge Company
American Bridge Company is an American construction contractor specializing in complex steel structures, formed by J. P. Morgan in 1900 and known for bridges like the Verrazzano-Narrows.
American Society of Civil Engineers
The American Society of Civil Engineers, founded in 1852, is the oldest national civil engineering society in the United States, representing more than 160,000 members in 177 countries.
Amistad Reservoir
Amistad Reservoir is a reservoir on the Rio Grande impounded in 1969 by Amistad Dam, operated jointly by the United States and Mexico near Del Rio, Texas.
Amsterdam Water Supply
The Amsterdam water supply is the public drinking water system of Amsterdam, the Netherlands, begun in 1853 as the country's first piped supply and now operated by Waternet.
Amsterdam–Rhine Canal
The Amsterdam–Rhine Canal (Amsterdam-Rijnkanaal) is a 72-kilometer ship canal in the Netherlands connecting Amsterdam's port with the Rhine and Germany's Ruhr, opened in 1952 and carrying about 80,000 vessels yearly.
Anaerobic lagoon
Anaerobic lagoon: an earthen impoundment treating livestock manure and wastewater without oxygen, also called a covered lagoon digester when capped for methane capture; sized at 0.04–0.30 kg/m³/d loading, 2.4–6 m deep.
Anaerobic membrane bioreactor
An anaerobic membrane bioreactor (AnMBR) is a wastewater treatment system pairing anaerobic digestion with membrane filtration, first introduced in South Africa in the 1980s and used mainly for industrial wastewater.
Anchorage (bridge)
An anchorage is a massive concrete or rock structure at each end of a suspension bridge that secures the main cables and transfers their tension to the ground.
Ancient conduit engineering and technology
Ancient conduit engineering and technology covers the surveying, tunnelling, lining, and maintenance methods pre-modern non-Roman builders used to move water through qanats, Hellenistic tunnels, Nasca puquios, and Chimú canals.
Ancient Mesopotamian canal administration
Ancient Mesopotamian canal administration is the set of institutions by which early southern Mesopotamian and Assyrian states organized construction, maintenance, and taxation of irrigation canals.
Ancient non-Roman water conduits
Ancient non-Roman water conduits are engineered channels, tunnels, and pipes that civilizations outside the Roman tradition used to move water, from Persian qanats to Peru's Cumbe Mayo aqueduct.
Ancient Sri Lankan irrigation systems
Ancient Sri Lankan irrigation systems are networks of earthen-bund reservoirs, canals, and sluices built in Sri Lanka's dry zone, starting with the Basavakkulama tank around 300 BC.
Anglian Water
Anglian Water is the regulated water and water recycling company for most of eastern England, serving around 7 million customers and supplying over 1.2 billion liters of drinking water daily.
Anichkov Bridge (Аничков мост)
Anichkov Bridge (Аничков мост) is a stone bridge on Nevsky Prospekt over the Fontanka River in Saint Petersburg, built in 1841 and famous for Klodt's four Horse Tamer sculptures.
Animas–La Plata Project
The Animas–La Plata Project is a Bureau of Reclamation water project in southwestern Colorado that stores Animas River water in Lake Nighthorse near Durango to settle Ute tribal water rights claims.
Anji Bridge (安济桥)
The Anji Bridge, also known as the Zhaozhou Bridge or Big Stone Bridge, is a stone arch bridge over the Xiao River in Hebei, China, built during the Sui dynasty around 595 to 605 AD.
Antonivka Road Bridge
The Antonivka Road Bridge was a road bridge across the Dnipro at Kherson, Ukraine, opened in 1985 and blown up by retreating Russian troops in November 2022.
API RP 2A
API RP 2A is the American Petroleum Institute's recommended practice for planning, designing, and constructing fixed offshore platforms, first issued in 1969 and used as the basis for US regulation in federal waters.
Apollodorus of Damascus
Apollodorus of Damascus (Ἀπολλόδωρος ὁ Δαμασκηνός) was a Greek engineer and architect active c. AD 98–125, Trajan's chief military engineer, credited with Trajan's Forum and a bridge over the Danube.
Applications of NATM and drill-and-blast excavation
Applications of NATM and drill-and-blast excavation cover tunnels too short or geologically difficult for a tunnel boring machine, including caverns, stations, cross passages, and squeezing fault zones.
Aqua Alexandrina
The Aqua Alexandrina (Italian: Acquedotto Alessandrino) was the last of ancient Rome's great aqueducts, built in 226 AD by Emperor Alexander Severus to feed his baths.