prestressed concrete construction

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• Prestressed concrete — diagram Prestressed concrete is a method for overcoming concrete s natural weakness in tension. It can be used to produce beams, floors or bridges with a longer span than is practical with ordinary reinforced concrete. Prestressing tendons… …   Wikipedia

• Construction of Assembly Hall (Champaign) — The construction of the Assembly Hall (Champaign) consisted of building a huge indoor arena with a 400 foot diameter (120 m) concrete dome whose center height is 125 feet (38 m) above the center floor which weighs 10 million pounds.[1]… …   Wikipedia

• Concrete — This article is about the construction material. For other uses, see Concrete (disambiguation). Outer view of the Roman Pantheon, still the largest unreinforced solid concrete dome.[1] …   Wikipedia

• concrete — concretely, adv. concreteness, n. concretive, adj. concretively, adv. /kon kreet, kong , kon kreet , kong / for 1 10, 11, 14, 15; /kon kreet , kong / for 12, 13, adj., n., v., concreted, concreting. adj. 1. constituting an actual thing or… …   Universalium

• Concrete sleeper — A concrete sleeper is a railroad tie made out of steel reinforced concrete. Concrete sleepers …   Wikipedia

• Concrete mixer — This portable concrete/mortar mixer has wheels and a towing tongue so that it can be towed by a motor vehicle and moved around the worksite by hand, and its rotation is powered by mains electricity. The lever allows the concrete/mortar to be… …   Wikipedia

• Reinforced concrete — is concrete in which reinforcement bars ( rebars ), reinforcement grids, plates or fibers have been incorporated to strengthen the concrete in tension. It was invented by French gardener Joseph Monier in 1849 and patented in 1867.[1] The term… …   Wikipedia

• building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …   Universalium

• Offshore concrete structure — Offshore concrete structures have been in use successfully for about 30 years. They serve the same purpose as their steel counterparts in the oil and gas production and storage. The first concrete oil platform has been installed in the North Sea… …   Wikipedia

• Precast concrete — is a form of construction, where concrete is cast in a reusable mold or form which is then cured in a controlled environment, transported to the construction site and lifted into place. In contrast, standard concrete is poured into site specific… …   Wikipedia

• Protection of exposed concrete — is necessary to prolong its service life. A 120 year design life for concrete infrastructure has become increasingly common. Without early preventive maintenance this design life target may be optimistic. The design service life of reinforced… …   Wikipedia