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Single-layer aluminum alloy latticed shell box type modular assembly node and construction process thereof

A technology of aluminum alloy mesh and construction technology, which is applied in the direction of architecture and building construction, can solve the problems of the span limitation of reticulated shell structures, and achieve the effects of convenient and fast assembly, reduced workload, and increased span

Active Publication Date: 2020-04-21
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Because the existing traditional aluminum alloy plate joints usually only use two upper and lower circular cover plates to connect the flanges of the H-shaped aluminum alloy beams, and the web is discontinuous in the joint domain, so the traditional joints only rely on the upper and lower cover plates , the bending moment and limited shear force borne by the transmission nodes cannot provide enough bearing capacity and overall stiffness for the structure, resulting in the limitation of the structural span of the reticulated shell

Method used

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  • Single-layer aluminum alloy latticed shell box type modular assembly node and construction process thereof
  • Single-layer aluminum alloy latticed shell box type modular assembly node and construction process thereof
  • Single-layer aluminum alloy latticed shell box type modular assembly node and construction process thereof

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Embodiment 1

[0039] (1) For rapid construction, the present invention designs modular aluminum alloy assembly nodes and their construction techniques. The upper and lower circular cover plates in the existing traditional plate-type joints are canceled, and the connecting joints are designed as several integral "modular joints". This modular joint has a high degree of "universality". The modular node consists of 6 pentahedron semi-closed box structures and a reinforcing ring 9 in the middle as a whole (excluding the I-shaped beam 6, the six I-shaped beams are connected structures, and every six beams intersect at a node , that is, each node connects six beams), the shape of the pentahedron semi-closed box structure is a pentahedron semi-closed box structure, and the plane projection is fan-shaped (see figure 1 ). It is formed by machining in the factory, and it can also be cast into an integrated cast aluminum node by mold casting.

[0040] First, three I-shaped beams 6 are connected with...

Embodiment 2

[0045] Different from Example 1, as Figure 10 As shown, four hexagonal "module units 2" are connected to form a large triangular "expanded module unit 2" through channel beams. Also hoist an "expanded modular unit 2" to the central area of ​​the reticulated shell structure, expand along the three sides in the direction of the arrow in the figure, and continuously form an adjustment area during the assembly process. The triangular boundary condition of the reticulated shell can be satisfied by extending to the boundary. Install corresponding I-shaped beams and nodes in the adjustment area to complete the adjustment of the overall stiffness.

Embodiment 3

[0047] Following a similar approach, such as Figure 11 As shown, three hexagonal "module units 2" are connected to the webs of the outer channel beams to form a parallelogram "expanded module unit 3". Expanding in the direction of the arrow in the figure can satisfy the parallelogram or rhombus boundary conditions of the reticulated shell.

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Abstract

The invention discloses a single-layer aluminum alloy latticed shell box type modular assembly node. The modular assembly node comprises six pentahedral semi-closed box body structures and a central reinforcing ring, wherein each pentahedral semi-closed box body structure comprises a top plate, a bottom plate, a left side plate, a right side plate and a back plate, an upper surface plate and a lower surface plate are fan-shaped, the central reinforcing ring is a hexagonal hollow prism, connecting holes are formed in the each surface of the six pentahedral semi-closed box body structures and the central reinforcing ring, and the back plates of the six pentahedral semi-closed box body structures are connected with six side plates of the central reinforcing ring. According to the single-layeraluminum alloy latticed shell box type modular assembly node, the anti-bending and shear-resistant bearing capacity of the node is remarkably enhanced, the rigidity of the node and the overall stability of a latticed shell are improved, and therefore the node can be applied to a single-layer aluminum alloy latticed shell structure with a larger span; and meanwhile, connecting nodes are designed into a plurality of integral box type "modular nodes", and the modular nodes have the high "universality", so that the installation is more convenient and faster.

Description

technical field [0001] The invention belongs to the field of civil engineering, and relates to a space grid structure node, in particular to a box-type modular assembly node of a single-layer aluminum alloy reticulated shell and a construction process thereof. Background technique [0002] Compared with the steel reticulated shell structure, the aluminum alloy reticulated shell has the characteristics of light weight and corrosion resistance, and is widely used in swimming pools and other buildings that require high corrosion resistance. The connection nodes of the single-layer aluminum alloy reticulated shell are the key components of this type of structure. [0003] Because the existing traditional aluminum alloy plate joints usually only use two upper and lower circular cover plates to connect the flanges of the H-shaped aluminum alloy beams, and the web is discontinuous in the joint domain, so the traditional joints only rely on the upper and lower cover plates , the be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/19E04B1/58
CPCE04B1/19E04B1/1906E04B2001/1918E04B2001/1936E04B2001/1963E04B2001/1978
Inventor 赵才其周赟文赵雅婷马军
Owner SOUTHEAST UNIV
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