Freyssinet Test Arch
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Freyssinet Test Arch
The Freyssinet Test Arch (in French ''Arche d'essai Freyssinet'') is a prestressed concrete arch built in 1909 in Moulins, Allier by Eugène Freyssinet. Its purpose was to test the resistance of this material to traction exerted on very flat and long-range arches. Freyssinet wanted to validate this prestressed concrete technique which he had perfected before the construction of three road bridges over the Allier river which he was to undertake in the following years: the , the and the Châtel-de-Neuvre bridge. As the first testimony to this innovative technique, the arch has been registered as a Monument historique () is a designation given to some national heritage sites in France. It may also refer to the state procedure in France by which national heritage protection is extended to a building, a specific part of a building, a collection of buildings, ... since October 2021 with Boutiron Bridge, the only existing original bridge of the three. References {{Authority co ...
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Moulins, Allier
Moulins (, ''Molins'' in Bourbonnais oïl dialect); is a commune in central France, capital of the Allier department. It is located on the river Allier. Among its many tourist attractions are the Maison Mantin, the Anne de Beaujeu Museum, and The National Center of Costume and Scenography. Geography Moulins is located on the banks of the river Allier. Moulins-sur-Allier station, in the centre of the town, has direct trains to Paris ( Gare de Bercy), which take about 2 hours 25 minutes. The A79 motorway passes south of the town. Montbeugny Airport is a small airport located near Moulins. History Before the French Revolution, Moulins was the capital of the province of Bourbonnais and the seat of the Dukes of Bourbon. It appears in documented records at least as far back as the year 990. In 1232, Archambaud VIII, Sire de Bourbon granted a franchise to the village's inhabitants. The town achieved greater prominence in 1327, when Charles IV elevated Louis I de Clerm ...
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Eugène Freyssinet
Eugène Freyssinet () (13 July 1879 – 8 June 1962) was a French structural and civil engineer. He was the major pioneer of prestressed concrete. Biography Freyssinet was born in at Objat, Corrèze, France. He worked in the ''École Nationale des Ponts et Chaussées'' in Paris, France where he designed several bridges until the First World War intervened. His tutors included Charles Rabut. He served in the French Army from 1904 to 1907 and again from 1914 to 1918 as a road engineer. His most significant early bridge was the three span Pont le Veurdre near Vichy, built in 1911. At the time, the 72.5 metre (238 ft) spans were the longest so far constructed in France although Grafton Bridge a 97.6 metre reinforced concrete bridge had been opened in April 1910 and the Rocky River Bridge in Cleveland Ohio, an 85.34 metre unreinforced bridge had been opened in October 1910. Freyssinet's proposal was for three reinforced concrete truss spans, and was significantly less expen ...
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Prestressed Concrete
Prestressed concrete is a form of concrete used in construction. It is substantially prestressed (Compression (physics), compressed) during production, in a manner that strengthens it against tensile forces which will exist when in service. Post-tensioned concreted is "structural concrete in which internal stresses have been introduced to reduce potential tensile stresses in the concrete resulting from loads." It was patented by Eugène Freyssinet in 1928. This compression is produced by the Tension (physics), tensioning of high-strength ''tendons'' located within or adjacent to the concrete and is done to improve the performance of the concrete in service. Tendons may consist of single wires, multi-wire Wire rope, strands or threaded bars that are most commonly made from high-tensile steels, carbon fiber or aramid fiber. The essence of prestressed concrete is that once the initial compression has been applied, the resulting material has the characteristics of high-strength concre ...
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Allier (river)
The Allier ( , , ; ) is a river in central France. It is a left tributary of the Loire. Its source is in the Massif Central, in the Lozère department, east of Mende. It flows generally north. It joins the Loire west of the city of Nevers. It is long, and has a drainage basin of . Departments and towns The Allier flows through the following departments, and along the following towns, from source to mouth: * Lozère: La Bastide-Puylaurent, Langogne; * Ardèche - the river runs along the border between this department and Lozère; * Haute-Loire: Monistrol-d'Allier, Langeac, Brioude; * Puy-de-Dôme: Brassac-les-Mines, Auzat-la-Combelle, Issoire, Cournon-d'Auvergne, Pont-du-Château; * Allier: Saint-Yorre, Vichy, Varennes-sur-Allier, Moulins, Château-sur-Allier; * Cher: Mornay-sur-Allier; * Nièvre. Tributaries The main tributaries of the Allier are: * Chapeauroux (left side); * Senouire (right side); * Alagnon (left side); * (left side); * (left side); ...
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Châtel-de-Neuvre
Châtel-de-Neuvre () is a commune in the Allier department in central France. Population See also *Communes of the Allier department The following is a list of the 317 Communes of France, communes of the Allier Departments of France, department of France. Intercommunalities The communes cooperate in the following Communes of France#Intercommunality, intercommunalities (a ... References Communes of Allier Allier communes articles needing translation from French Wikipedia {{Allier-geo-stub ...
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Monument Historique
() is a designation given to some national heritage sites in France. It may also refer to the state procedure in France by which national heritage protection is extended to a building, a specific part of a building, a collection of buildings, a garden, a bridge, or other structure, because of their importance to France's architectural and historical cultural heritage. Both public and privately owned structures may be listed in this way, as well as movable objects. there were 44,236 monuments listed. The term "classification" is reserved for designation performed by the French Ministry of Culture for a monument of national-level significance. Monuments of lesser significance may be "inscribed" by various regional entities. Buildings may be given the classification (or inscription) for either their exteriors or interiors. A monument's designation could be for a building's décor, its furniture, a single room, or even a staircase. An example is the classification of the déco ...
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Prestressed Concrete Construction
Prestressed concrete is a form of concrete used in construction. It is substantially prestressed ( compressed) during production, in a manner that strengthens it against tensile forces which will exist when in service. Post-tensioned concreted is "structural concrete in which internal stresses have been introduced to reduce potential tensile stresses in the concrete resulting from loads." It was patented by Eugène Freyssinet in 1928. This compression is produced by the tensioning of high-strength ''tendons'' located within or adjacent to the concrete and is done to improve the performance of the concrete in service. Tendons may consist of single wires, multi-wire strands or threaded bars that are most commonly made from high-tensile steels, carbon fiber or aramid fiber. The essence of prestressed concrete is that once the initial compression has been applied, the resulting material has the characteristics of high-strength concrete when subject to any subsequent compression fo ...
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Buildings And Structures In Moulins, Allier
A building or edifice is an enclosed structure with a roof, walls and windows, usually standing permanently in one place, such as a house or factory. Buildings come in a variety of sizes, shapes, and functions, and have been adapted throughout history for numerous factors, from building materials available, to weather conditions, land prices, ground conditions, specific uses, prestige, and aesthetic reasons. To better understand the concept, see ''Nonbuilding structure'' for contrast. Buildings serve several societal needs – occupancy, primarily as shelter from weather, security, living space, privacy, to store belongings, and to comfortably live and work. A building as a shelter represents a physical separation of the human habitat (a place of comfort and safety) from the ''outside'' (a place that may be harsh and harmful at times). buildings have been objects or canvasses of much artistic expression. In recent years, interest in sustainable planning and building practi ...
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