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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.
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.
Today, the concept of a prestressed structure is widely employed in the design of buildings, underground structures, TV towers, power stations, floating storage and offshore facilities, nuclear reactor vessels, and numerous bridge systems. [2] It is especially prominent in construction using concrete (see pre-stressed concrete).
For example, his Crestawald Bridge (1959) was a reinforced concrete bridge with a two-hinged arch. [4] But with the revolutionary new material — prestressed concrete — Menn saw that prestressing could actually replace the arch itself. The prestressed deck of his arch bridge could become the main supporting member without the arch.
Diagram of a concrete slab of hollow core construction Photograph of a hollowcore assembly. A hollow core slab, also known as a voided slab, hollow core plank or simply a concrete plank is a precast slab of prestressed concrete typically used in the construction of floors in multi-story apartment buildings.
Structural concrete is an alternative for flat roof construction. There are three main categories for such method: precast/prestressed, cast-in-place and shell. Within the precast/prestressed concrete roofing, the double tees are the most common products used for roof span up to 60 feet (18 m). [5]
Category for construction with prestressed concrete. Pages in category "Prestressed concrete construction" The following 8 pages are in this category, out of 8 total.
A method of prestressing concrete where the tendons are tensioned after the concrete has attained a specified minimum strength or age. [1]: 50 prestress level The level of compressive stress created within a prestressed concrete member as a result of prestressing. Prestressed concrete
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