pre-post-tensioning

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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

• On-Grade Mat Foundation for Expansive Soils — An on grade mat foundation is an above ground type of foundation used to provide load bearing capacity in expansive, rocky or hydro collapsible soils. The foundation, or “Wafflemat,” is created by connecting a series of 8½” or 12” high, 19” x 19” …   Wikipedia

• Seismic retrofit — Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes. Other retrofit techniques are applicable to areas subject to tropical cyclones,… …   Wikipedia

• Earthquake engineering — is the study of the behavior of buildings and structures subject to seismic loading. It is a subset of both structural and civil engineering.The main objectives of earthquake engineering are: * Understand the interaction between buildings or… …   Wikipedia

• Runway — This article is about the aircraft take off and landing area. For other uses, see Runway (disambiguation). Landing strip redirects here. For the pubic hairstyle, see Bikini waxing. RWY redirects here. For the audio/video connectors, see RCA… …   Wikipedia

• Prestressed structure — is the one whose overall integrity, stability and security depend, primarily, on a prestressing . Prestressing means the intentional creation of permanent stresses in a structure for the purpose of improving its performance under various service… …   Wikipedia

• Mercedes-Benz S-Class — Manufacturer Mercedes Benz Production 1954–present Assembly Berlin Frankfurt, Ge …   Wikipedia

• Seat belt — This article is about the safety device. For the band, see The Seatbelts. A 3 point seat belt …   Wikipedia

• Marlon Brando — Publicity photo for The Wild One (1953) Born Marlon Brando, Jr. April 3, 1924(1924 04 03) Omaha, Nebraska …   Wikipedia

• Kawasaki Ninja 500R — Manufacturer Kawasaki Also called EX500 GPZ500 Production 1987–2009 …   Wikipedia

• Movie camera — The Panavision Genesis, a popular 35 mm camera currently used on major productions. This article is about motion picture film cameras. See video camera for cameras which record images electronically. The movie camera is a type of photographic… …   Wikipedia