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Starved Rock Lock and Dam
Starved Rock Lock and Dam is a lock and gated dam on the Illinois River near Utica, Illinois, opened in 1933 as part of the Illinois Waterway.
State Hydraulic Works (Turkey)
State Hydraulic Works (Devlet Su İşleri, DSİ) is the Turkish state agency managing water resources, headquartered in Ankara and established in 1953, best known for building dams.
Static load test
A static load test is a structural engineering test that applies a gradually increasing, non-varying load to a foundation element to measure its deformation, capacity, and stiffness.
Statically determinate structure
A statically determinate structure is a structure whose support reactions and internal forces can be calculated from the equations of static equilibrium alone, without information about material stiffness or deformation.
Statue of B. R. Ambedkar, Hyderabad
The Statue of B. R. Ambedkar in Hyderabad is a 125-foot bronze statue unveiled in April 2023, described as the tallest Ambedkar statue in India.
Stave church
Stave church (stavkirke): medieval Norwegian timber church built on load-bearing vertical staves; most erected 1150–1350; about 1,300 indexed, 28 preserved, Urnes the oldest and a UNESCO site.
Stay cable
A stay cable is a tensioned steel member running directly from a bridge tower to the deck, the defining element of cable-stayed bridges since Sweden's Strömsund Bridge of 1955.
Stay cable systems
A stay cable system is the complete engineered product that carries a cable-stayed or extradosed bridge deck in tension from deck to pylon, including strands, anchorages, and dampers.
Stay-cable maintenance and monitoring
Stay-cable maintenance and monitoring is the inspection, condition assessment, and replacement of stay cables on cable-stayed bridges, where corrosion hidden inside anchorages threatens service life.
Steel dam
A steel dam is a fixed wall built as a steel deck supported by inclined steel struts. Only three were constructed in the United States between 1897 and 1910.
Steel frame
A steel frame, also called skeleton frame construction, is a building structure of vertical steel columns and horizontal beams carrying the entire load, so walls need not bear weight.
Steel Pier (Atlantic City)
Steel Pier is an amusement pier on the Boardwalk in Atlantic City, New Jersey, opened in 1898 and once billed as the Showplace of the Nation.
Stepped spillway
A stepped spillway is a dam spillway whose chute is built as a series of steps that dissipate flowing water's energy before it reaches the downstream channel.
Stepwell
A stepwell, also called a baoli or bawdi, is a well or pond reached by a descending staircase, giving year-round access to groundwater in India.
Stereotomy
Stereotomy is the art and science of cutting stones into precisely shaped pieces that assemble into walls, arches, and vaults, codified in Renaissance treatises from 1567.
Stickney Water Reclamation Plant
The Stickney Water Reclamation Plant in Cicero, Illinois, near Chicago, is widely considered the world's largest wastewater treatment plant, cleaning about 700 million gallons of wastewater daily since 1930.
Stilling basin
A stilling basin is a concrete pool at the toe of a spillway that forces a hydraulic jump to slow fast release flow, protecting the riverbed from scour.
Stilt house
A stilt house, also called a pile dwelling or palafito, is a house raised on posts or piles above ground or water to cope with flooding.
Stirling Castle
Stirling Castle is a royal castle in Scotland, first recorded around 1110 and a principal royal seat until the Union of the Crowns in 1603.
Stockholm City Hall
Stockholm City Hall (Stockholms stadshus) is the red-brick seat of Stockholm's municipal government on Kungsholmen, built 1911 to 1923 and host of the Nobel banquet.
Stockholm Palace
Stockholm Palace (Stockholms slott), officially the Royal Palace of Stockholm, is the official residence of the King of Sweden, built after the Tre Kronor castle burned in 1697.
Stockholm water supply
Stockholm water supply delivers drinking water from Lake Mälaren to about 2 million people, treated at the Norsborg and Lovö waterworks and distributed through some 2,200 km of pipes.
Stoclet House
Stoclet House (Palais Stoclet, Stocletpaleis), Brussels mansion built 1905–1911 by Josef Hoffmann for banker Adolphe Stoclet; Vienna Secession Gesamtkunstwerk with Klimt's Stoclet Frieze; UNESCO World Heritage Site since 2009, closed to the public.
Stone Arch Bridge (Minneapolis)
The Stone Arch Bridge is a 2,100-foot stone railroad bridge with 23 arches crossing the Mississippi River in Minneapolis, built for James J. Hill between 1881 and 1883.
Stone cladding
Stone cladding is the application of thin, non-load-bearing panels of natural stone, such as granite, marble, and limestone, to a building's facade for appearance and weather protection.
Stonecutters Bridge
Stonecutters Bridge is a cable-stayed road bridge in Hong Kong carrying Route 8 across the Rambler Channel between Stonecutters Island and Tsing Yi, opened in December 2009.
Stonemasonry
Stonemasonry, also known as stonecutting, is the craft of building structures from natural stone, shaping blocks laid with mortar or dry stacked without it, one of the oldest construction methods, first seen in ancient Egyptian temples.
Storefront (architecture)
A storefront is the ground-floor, non-load-bearing glazed frontage of a commercial building, typically an aluminum system lighter than curtain wall, used for retail and entrances.
Storey
A storey, spelled story in American English, is a level of a building with a usable floor, used mainly when counting a building's levels, as in a 43-storey tower.
Storm drain
A storm drain, also called a storm sewer, is an engineered system that collects street runoff through grated inlets and carries it by pipes to streams, usually untreated.