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precast reinforced-concrete pipe

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  • 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

  • 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

  • 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

  • environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …   Universalium

  • Hickory Log Creek — is a stream which runs from northest and north central Cherokee County, Georgia, south southwest to the northeastern part of Canton, the county seat. It is a tributary of the Etowah River, which it meets shortly after crossing under Riverstone… …   Wikipedia

  • Liffey Service Tunnel — Infobox tunnel name = River Liffey Service Tunnel location = Dublin, Ireland coordinates = startwork = 2007 owner = Dublin City Council construction= Pipe Jacking length = 260m height = 2.5m IDThe Liffey Service Tunnel is a service tunnel for… …   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

  • Edward Giles Stone — (17 February 1873 (1876?) – ?) was an Australian engineer prominent in many innovative, often daringly and spectacular, aspects of early reinforced concrete constructions in Australia. He was also involved in cement manufacture. Early life Stone… …   Wikipedia

  • British hardened field defences of World War II — Hexagonal pillbox (type 22) British hardened field defences of World War II were small fortified structures constructed as a part of British anti invasion preparations. They were popularly known as pillboxes by reference to their shape.[1] Con …   Wikipedia

  • Eastern span replacement of the San Francisco — San Francisco – Oakland Bay Bridge (eastern span replacement) Artistic rendition of the new eastern span of the Bay Bridge seen from Treasure Island (ca. 2014) Official name To be determ …   Wikipedia

  • tunnels and underground excavations — ▪ engineering Introduction        Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …   Universalium

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