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Prestressed concrete is a highly versatile construction material as a result of it being an almost ideal combination of its two main constituents: high-strength steel, pre-stretched to allow its full strength to be easily realised; and modern concrete, pre-compressed to minimise cracking under tensile forces.
The inventor of prestressed concrete is Eugene Freyssinet of France. Lin retired in 1976 to work full-time at T.Y. Lin International , a firm he founded in 1954. After selling that firm, he left it to found Lin Tung-Yen China on June 1, 1992, which oversees engineering projects in China.
Logo of Eurocode 2 An example of a concrete structure. In the Eurocode series of European standards (EN) related to construction, Eurocode 2: Design of concrete structures (abbreviated EN 1992 or, informally, EC 2) specifies technical rules for the design of concrete, reinforced concrete and prestressed concrete structures, using the limit state design philosophy.
Naturally precompressed exterior wall of Colosseum, Rome Cable-stayed prestressed concrete bridge over Yangtze river. In structural engineering, a prestressed structure is a load-bearing structure whose overall integrity, stability and security depend, primarily, on prestressing: the intentional creation of permanent stresses in the structure for the purpose of improving its performance under ...
A device that tensions prestressed concrete tendons. [1]: 36 [3]: 35–36 stressing stool A device interposed between the stressing jack and the concrete member during tensioning operations, to allow manipulation of the anchor block and seating wedges. Often used during lift-off testing. swage
For instance, he was the first person to use prestressed continuous beams – in his design for Sclayn Bridge near Andenne; and it was Magnel’s Walnut Lane Memorial Bridge that inaugurated the use of prestressed concrete in the USA. Magnel’s monograph on prestressed concrete was therefore unique because it provided a comprehensive ...
A precast concrete walled house under construction An example of low-quality precast concrete with exposed dowels, connectors, indications of cracks, and malformations, even during its installation, Barangay Lantic, Carmona, Cavite, Philippines Interior view of the walls, supports, and roof of a precast commercial shop in Williston, North Dakota, US.
The International Federation for Structural Concrete (fib – Fédération internationale du béton)Formation: 1998: Legal status: Not-for-profit organization: Purpose: To develop at an international level the study of scientific and practical matters capable of advancing the technical, economic, aesthetic and environmental performance of concrete construction
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