Fabricated specially-shaped roof structural system and construction method thereof

Abstract

The invention discloses a fabricated specially-shaped roof structural system and a construction method thereof. The fabricated specially-shaped roof structural system comprises multiple prefabricatedassembling units of independent structures, wherein the multiple prefabricated assembling units are disposed according to a predetermined order; two adjacent prefabricated assembling units are connected in a fabricated manner; each of the prefabricated assembling units comprises a polygonal-structured frame body; a first connection plate and a second connection plate are respectively arranged on apair of opened surfaces of the frame body; the first connection plate and the second connection plate are fixedly connected with the frame body respectively; a filling body is arranged among the first connection plate, the second connection plate and the frame body; the frame body comprises multiple assembling ribbed plates connected end to end; and mounting holes for connection are formed in theassembling ribbed plates. The fabricated specially-shaped roof structural system is reasonable in structural stress and high in structural rigidity; a node can be simplified; an internal force is uniformly distributed, and a spatial effect is obvious; the construction period can be shortened; the weight of the structure is reduced; materials and energy are saved, so the whole construction cost isreduced; and the fabricated specially-shaped roof structural system is high in practicability and worthy of being popularized.

Description

technical field [0001] The invention belongs to the technical field of buildings, and in particular relates to an assembled special-shaped roof structure system and a construction method thereof. Background technique [0002] As people's requirements for building span and building shape are getting higher and higher, the application of large-span space structure and special-shaped space structure is also increasing. The structure is flexible and diverse, and the shape is beautiful. Special-shaped roof structures emerge in endlessly, and their spatial effects obviously meet the requirements of large-scale gymnasiums, airports and other public buildings with unique shapes that have high requirements for spatial modeling. high demands. [0003] At present, the large-span space structure and special-shaped space structure mainly adopt the grid shell and pipe truss structure system, but there are the following problems: [0004] 1. In the grid shell structure, there are many pr...

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Problems solved by technology

[0004] 1. In the grid shell structure, there are many problems of "false screwing" in the bolt connection of the bolt ball grid, the connection is weak, the structure is heavy due to the large proportion of the bolt ball's own weight, and the overall deformation of the structure caused by the welding ball is difficult to control;

[0005] 2. Pipe truss structure, difficult processing, large amount of welding, welding deformation is difficult to control

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