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The Arrigoni Bridge, also known locally as the Portland Bridge is a steel through arch bridge carrying Route 17 and Route 66 across the Connecticut River, connecting Middletown, Connecticut, to Portland, Connecticut. When it opened in 1938, the 1,200 feet (370 m) bridge was the most expensive bridge ever built in Connecticut, at a cost of $3.5 ...
Attempts have been made to increase the safety of bridges with pin and hanger assemblies by adding some form of redundancy to the assembly. Retrofits that add redundancy to pin and hanger assemblies include adding a "catcher's mitt"—a short steel beam attached to the bottom of the cantilevered girder that extends out beneath the suspended girder to "catch" the suspended girder should ...
An American example of a Melan bridge. Josef Melan (1854–1941) was an Austrian engineer. [1] [2] [3] He is regarded as one of the most important pioneers of reinforced concrete bridge-building at the end of the 19th century. [4] Josef Melan is credited as the inventor of the Melan System, a method for the construction of reinforced bridges. [4]
% of sphere Location Completed Removed Held record m ft Sphere: 157 515 71% Las Vegas, Nevada: 29 September 2023 – 29 September 2023 - current Avicii Arena (Globen) 110.40 362.2 77.2 % Stockholm, Sweden 19 February 1989 – 19 February 1989 – 29 September 2023 Kazakhstan Pavilion and Science Museum (Nur Alem) 80 262 ~100 % Astana, Kazakhstan
A cantilever bridge is a bridge built using structures that project horizontally into space, supported on only one end (called cantilevers).For small footbridges, the cantilevers may be simple beams; however, large cantilever bridges designed to handle road or rail traffic use trusses built from structural steel, or box girders built from prestressed concrete.
Left Coast Lifter made its first lift on the new Tappan Zee bridge in April 2015, [22] a steel-reinforced concrete pile cap which formed part of the bridge's foundation. The massive crane was being used for heavy lifts of large bridge sections, [ 23 ] and placed the final steel girder for the new Rockland-bound (westbound) span in October 2016 ...
A Horton sphere (sometimes spelled Hortonsphere), also referred to as a spherical tank or simply sphere, is a spherical pressure vessel, which is used for industrial-scale storage of liquefied gases. Example of materials that can be stored in Horton spheres are liquefied petroleum gas (LPG), liquefied natural gas (LNG), and anhydrous ammonia .
A well-known example of this type is the Sydney Harbour Bridge in Australia, which is based on the Hell Gate Bridge in New York City. [2] Other bridges include the Chaotianmen Bridge in China, the world's longest through arch bridge; [3] Tyne Bridge of Newcastle upon Tyne; the Bayonne Bridge that connects New York City to New Jersey, which is longer than the Sydney Harbour Bridge; the Ahwaz ...