FIELD: construction.
SUBSTANCE: span with a prefabricated block structure and mesh structure close to cylindrical mesh structure, formed by helical cross-spiral power elements, with arrangement of a pedestrian flooring with a barrier inside the cylindrical surface, as opposed to a prototype, comprises at least three longitudinal power elements arranged in a mesh structure, and at least two of them are arranged in the lower part and are the support of the pedestrian flooring, at the same time the helical cross-spiral power elements are made of a composite material, and have mutual crossings arranged as a whole in process of manufacturing. At the same time each block is made of several radial modules connected along the longitudinal power elements with a glue bolt connection.
EFFECT: reduced weight of a structure, simplification of its assembly and provision of a long-term repair-free operation.
5 cl, 3 dwg
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