2,617 articles
I-40 bridge disaster
The I-40 bridge disaster, also known as the Webbers Falls bridge collapse, killed 14 people near Webbers Falls, Oklahoma, when a barge struck the bridge in 2002.
I-beam
An I-beam, also called a universal beam or rolled steel joist, is a structural beam with an I-shaped cross-section whose flanges and web make it efficient in bending.
Ibrahimiya Canal
The Ibrahimiya Canal is a major irrigation canal in Egypt that draws water from the Nile at Assiut, built from 1867 to 1873 under Isma'il Pasha.
ICC Forensics
ICC Forensics is a forensic engineering firm in Sugar Land, Texas, founded in 2020 by Matt Gardiner and Jim Wiethorn to serve the crane, rigging, and construction industry.
Idukki Dam (ഇടുക്കി അണക്കെട്ട്)
Idukki Dam (ഇടുക്കി അണക്കെട്ട്), also known as Idukki arch dam, is a 168.91 m concrete arch dam on the Periyar River in Kerala, India, completed in 1974.
Ikadatsu Dam (筏津ダム)
Ikadatsu Dam is a concrete gravity dam on the Niyodo River in Kōchi Prefecture, Japan, built between 1956 and 1958 and operated by Shikoku Electric Power for hydroelectric generation.
Ilısu Dam
Ilısu Dam (Ilısu Barajı) is a concrete-faced rock-fill dam on the Tigris River in southeastern Turkey, completed in 2020 with 1,208.6 MW, the largest dam on the Tigris.
Illinois and Michigan Canal
The Illinois and Michigan Canal is a 96-mile waterway in northeastern Illinois, opened in 1848 to link Lake Michigan at Chicago with the Illinois River at LaSalle.
Illinois Structural Health Monitoring Project
The Illinois Structural Health Monitoring Project is a University of Illinois research program developing wireless smart sensor systems for civil infrastructure, deployed on the Jindo Bridge in South Korea.
Illinois Waterway locks and dams
The Illinois Waterway locks and dams are federal structures on a 268-mile, 9-foot channel from Joliet to near Beardstown, carrying barge traffic between Lake Michigan and the Mississippi.
Imhoff tank
The Imhoff tank, patented as the Emscherbrunnen in 1906, is a two-story wastewater treatment tank that settles sewage in an upper compartment and digests the sludge anaerobically below.
Immersed tube
An immersed tube, also called an immersed tunnel, is a subaqueous tunnel of prefabricated elements floated out, sunk into a dredged trench, and joined underwater.
Immersed tube tunnel
An immersed tube tunnel is an underwater tunnel built by sinking prefabricated tube elements into a trench and joining them underwater, first used in Boston Harbor in 1893.
Imnam Dam (임남댐)
Imnam Dam, also called Geumgangsan Dam, is a dam on the upper Bukhan River in Kangwon-do, North Korea, built for hydroelectric generation and completed in 2003.
Impact damper
An impact damper is a passive vibration-control device in which a free mass moving between stops collides with the structure, dissipating energy as heat and noise.
Impeller
An impeller is the rotating, vaned component of a pump, compressor, or water turbine that transfers energy from the drive shaft to a fluid, raising its velocity and pressure.
Imperial Canal (California–Mexico)
The Imperial Canal, also known as the Alamo Canal, was a gravity-diversion canal built in 1900 and 1901 to bring Colorado River water into California's Imperial Valley.
Imperial Irrigation District
The Imperial Irrigation District is a publicly chartered irrigation and electric utility in Imperial County, California, formed in 1911 and the largest single user of Colorado River water.
Implenia
Implenia is a Swiss construction and real estate company formed in 2006 by the merger of Batigroup and Zschokke, specializing in large-scale tunnelling and underground works.
Impregilo
Impregilo S.p.A. was an Italian construction and civil engineering company headquartered in Milan, formed by merger in 1994, known for dams and metros worldwide, and renamed Salini Impregilo in 2014.
In situ chemical oxidation
In situ chemical oxidation (ISCO) is a groundwater remediation method that injects oxidants such as permanganate, persulfate, hydrogen peroxide, or ozone to destroy organic contaminants in place, without excavation.
Inca rope bridge
An Inca rope bridge was a suspension bridge made entirely of braided plant fiber, built by the Inca Empire to cross the deep gorges and fast rivers of the Andes.
Incheon Bridge
The Incheon Bridge (인천대교) is a 21.38 km toll crossing in Incheon, South Korea, linking Songdo International Business District with Yeongjongdo Island, home of Incheon International Airport, opened in 2009.
Incremental launch
Incremental launch is a bridge construction method in which superstructure segments are cast behind an abutment and jacked over the piers, developed in the early 1960s.
Indira Gandhi Canal (इंदिरा गांधी नहर)
The Indira Gandhi Canal (इंदिरा गांधी नहर), originally the Rajasthan Canal, is one of India's largest canal systems, carrying Ravi and Beas water across the Thar Desert for irrigation.
Indirect potable reuse
Indirect potable reuse (IPR) is the planned addition of purified recycled wastewater to a drinking water supply through an environmental buffer such as an aquifer or reservoir.
Indus Basin Irrigation System
The Indus Basin Irrigation System (IBIS) is Pakistan's network of dams, barrages, and canals diverting Indus River water to farmland, the world's largest contiguous irrigation system.
Industrial Canal
The Industrial Canal, officially the Inner Harbor Navigation Canal (IHNC), is a 5.5-mile waterway in New Orleans connecting Lake Pontchartrain to the Mississippi River, breached during Hurricane Katrina in 2005.
Industrial Canal Lock
The Industrial Canal Lock, formally the Inner Harbor Navigation Canal Lock, is a 1923 navigation lock in New Orleans linking the Mississippi River to the Gulf Intracoastal Waterway.
Industrial heritage
Industrial heritage is the remains of industrial culture of historical, technological, social, architectural, or scientific value, from mines and factories to workers' housing, studied through industrial archaeology.