prestressed compression

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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

• 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

• prestressed concrete — concrete reinforced with wire strands, pretensioned or post tensioned within their elastic limit to give an active resistance to loads. [1935 40] * * * Concrete reinforced by either pretensioning or posttensioning, allowing it to carry a greater… …   Universalium

• bridge — bridge1 bridgeable, adj. bridgeless, adj. bridgelike, adj. /brij/, n., v., bridged, bridging, adj. n. 1. a structure spanning and providing passage over a river, chasm, road, or the like. 2. a connecting, transitional, or intermediate route or… …   Universalium

• 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

• Structural engineering — is a field of engineering dealing with the analysis and design of structures that support or resist loads. Structural engineering is usually considered a speciality within civil engineering, but it can also be studied in its own right. [cite… …   Wikipedia

• Truss bridge — for a single track railway, converted to pedestrian use and pipeline support Ancestor Beam bridge[ …   Wikipedia

• History of structural engineering — The history of structural engineering dates back to at least 2700 BC when the step pyramid for Pharaoh Djoser was built by Imhotep, the first engineer in history known by name. Pyramids were the most common major structures built by ancient… …   Wikipedia

• Cantilever bridge — BridgeTypePix type name=Cantilever bridge image title=The Firth of Forth rail bridge with its three double cantilevers sibling names=None descendent names=None ancestor names=Beam bridge, Truss bridge carries=Pedestrians, automobiles, trucks,… …   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