pretensioned concrete constructions

pretensioned concrete constructions: струбетонные конструкции (сборные предварительно напряжённые железобетонные конструкции с проволочной арматурой, натягиваемой на упоры)

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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
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

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