5,208 articles
Fecal coliform
Fecal coliform bacteria are a subgroup of coliforms that ferment lactose at 44.5 °C and were long used as water quality indicators, including the EPA's 1976 recreational criteria.
Federal architecture
Federal architecture, also called the Adam style, is an American building style dominant from about 1780 to 1820 that refined the Georgian style with delicate classical ornament.
Federal Bridge Gross Weight Formula
The Federal Bridge Gross Weight Formula, or Bridge Formula B, is a US formula limiting the weight of consecutive truck axles on Interstate highways, enacted in 1975.
Federal canal legislation in the United States
Federal canal legislation in the United States encompasses statutes directed at canals, including the 1824 General Survey Act and the Rivers and Harbors Act of 1899.
Federation Tower (Башня «Федерация»)
Federation Tower (Башня «Федерация») is a two-tower skyscraper complex in the Moscow International Business Center, built from 2004 to 2017; its Vostok tower reaches 374 meters.
Fehmarn Belt fixed link
The Fehmarn Belt fixed link (Femern Bælt-forbindelsen) is an 18-kilometer immersed road-and-rail tunnel under construction between Lolland, Denmark, and Fehmarn, Germany, expected to open in 2029.
FEMA P-695
FEMA P-695, Quantification of Building Seismic Performance Factors, is a 2009 FEMA report that sets a probabilistic methodology for quantifying seismic performance factors of building lateral systems.
Fence
A fence is a structure built to mark a boundary or enclose land on which stock is kept, ranging from hedges and stone walls to wire and electric fencing.
Ferdinand de Lesseps
Ferdinand de Lesseps (1805–1894) was a French diplomat and entrepreneur who organized the construction of the Suez Canal, opened in 1869, and later led the failed French Panama canal attempt.
Ferrocement
Ferrocement is a thin-wall reinforced concrete in which cement mortar is reinforced with closely spaced layers of steel wire mesh, invented by Joseph-Louis Lambot in 1855 and used for boats, water tanks, and low-cost construction.
Fiber cement siding
Fiber cement siding is an exterior cladding made from sand, cement, and cellulose fibers, used on homes and businesses since the 1970s for its fire, rot, and insect resistance.
Fiber-reinforced concrete
Fiber-reinforced concrete (FRC) is a composite of hydraulic cement, aggregate, and discontinuous fibers, usually steel, glass, synthetic, or natural, that bridges cracks and adds post-cracking strength.
Fiber-reinforced plastic rebar
Fiber-reinforced plastic rebar, also called fiber-reinforced polymer or FRP rebar, is a noncorrosive concrete reinforcing bar made of glass, carbon, or basalt fibers in a polymer resin, used where steel would corrode.
FIDIC
FIDIC, the International Federation of Consulting Engineers, is the global body for national consulting engineering associations, known for its standard construction contracts like the Red Book.
Filippo Brunelleschi
Filippo Brunelleschi, also known as Pippo Brunelleschi, was a Florentine architect and engineer who engineered the dome of Florence Cathedral, the largest masonry dome ever built.
Finial
A finial, also called a hip-knob, is a small ornamental terminal placed at the top of a gable, spire, roof ridge, or furniture, defined by position rather than shape.
Fink truss
The Fink truss is a bridge and roof truss patented by engineer Albert Fink in 1854, in which paired wrought-iron tension diagonals support the feet of vertical compression posts.
Finland Railway Bridge (Финляндский железнодорожный мост)
The Finland Railway Bridge (Финляндский железнодорожный мост) is a bascule railway bridge over the Neva in Saint Petersburg, opened in 1913 and actually two parallel single-track bridges.
Fire alarm system
A fire alarm system, also known as fire alarms, senses fire or smoke and warns people in a building, automatically signaling a monitoring station where configured.
Fire door
A fire door is a door assembly tested to resist fire, heat, and toxic gases for a rated period, installed in a fire wall to protect the opening.
Fire hydrant
A fire hydrant, also called a fire plug, is a connection point on a pressurized water main that lets firefighters draw large volumes of water.
Fire lookout
A fire lookout is a person or tower used to detect wildfires early by watching for smoke, a system the US Forest Service built after 1910.
Fire risk assessment
A fire risk assessment is a systematic evaluation of the risks fire poses to people, property, and the environment, combining the likelihood of fire with its consequences.
Fire safety
Fire safety is the set of practices, systems, and regulations intended to prevent fire, limit its growth and spread, and protect people, property, and the environment from its effects.
Fire sprinkler system
A fire sprinkler system is a fixed water-based fire protection system in which sprinkler heads open individually when heat reaches their activation temperature, controlling fires before the fire department arrives.
Firestone and Ford tire controversy
The Firestone and Ford tire controversy was a product-safety crisis in which Firestone tires on the Ford Explorer suffered tread separations, causing hundreds of deaths and a 2000 recall.
Firewall (construction)
A fire wall is a fire-resistance-rated wall that separates buildings or subdivides one building, remaining standing under fire even if construction on either side collapses.
First Canadian Place
First Canadian Place is a 72-storey office tower in Toronto's Financial District, built for the Bank of Montreal and the tallest building in Canada since 1975 at 298 meters.
First Horizon Coliseum
First Horizon Coliseum, formerly Greensboro Coliseum, is a 22,000-seat multi-purpose arena in Greensboro, North Carolina, opened in 1959 and renamed in 2024. It anchors the nine-building Greensboro Complex.
First National Architectural Movement
The First National Architectural Movement (Birinci Ulusal Mimarlık Akımı) was a Turkish architectural style, prevalent from 1908 to 1930, that applied Ottoman and Seljuk elements to modern buildings.