A Deployable Cylindrical Reticulated Shell Structure with Folded Rigid Roof Panels

Abstract

The invention discloses an expandable column surface structure with a foldable rigid roof plate. The expandable column surface structure is formed by connecting a plurality of truss folding arch units along the length direction, wherein the foldable rigid roof plate is arranged on each truss folding arch unit; each truss folding arch unit is formed by connecting n pyramid basic units along the structure span direction, each pyramid basic unit consists of four positive folding rod shear type units, the two adjacent truss folding arch units are connected by a reverse folding shear type unit, and a rigid roof consists of n strip-shaped foldable rigid plate units; four nodes of the upper layer of each pyramid basic unit are hinged to four top points of the outermost circle of the corresponding foldable rigid plate unit. Compared with the prior art, the expandable column surface structure has the advantages that the structure is opened and closed according to requirements, and the opening and closing process is convenient; the sizes of the folding rod shear type units are uniform, the manufacturing is convenient, and the structure stability is good; by arranging the rigid roof structure, the self weight of the structure is lighter, the opening and closing are flexible, the rigidity of the structure is improved, the structure is simple, the design and construction are convenient, and the expandable column surface structure is especially suitable for buildings with medium and small spans.

Description

technical field [0001] The invention relates to an expandable cylindrical reticulated shell structure, in particular to an expandable cylindrical structure with folded rigid roof panels. Background technique [0002] The folding structure roof conforms to the contemporary architectural concept, and is a major development trend of the large-span space structure, and it is more and more favored by people. Folding structures have aroused great interest of modern architects because of their advantages such as short construction period, easy relocation and reusability. However, it is rarely used in long-span structures. The main reasons are as follows: (1) The node design of the folded grid structure is generally more complicated, and there is still a lack of simple, practical, and low-cost node designs suitable for engineering applications; (2) In addition to the axial force, the members of the folded grid structure are subject to a certain bending moment, the mechanical perfor...

AI Technical Summary

Problems solved by technology

However, it is rarely used in long-span structures. The main reasons are as follows: (1) The node design of the folded grid structure is generally more complicated, and there is still a lack of simple, practical, and low-cost node designs suitable for engineering applications; (2) In addition to the axial force, the members of the folded grid structure are subject to a certain bending moment, the mechanical performance is not good, and the cost is high; (3) the stiffness of the folded grid structure is very poor, and the displacement is difficult to meet the use requirements

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