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Bolt-assembled double-layer aluminum alloy latticed shell structure

A technology of aluminum alloy mesh and shell structure, applied in the direction of arch structure, dome roof structure, building components, etc., can solve the problems of reduced material utilization rate, small distance between upper and lower layers of rods, weak shear stiffness of joints, etc. Achieve the effect of improving material utilization, improving overall stability, and enriching node forms

Active Publication Date: 2014-02-19
TIANJIN UNIV
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  • Application Information

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Problems solved by technology

[0003] 1. The nodes in the H-type single-layer aluminum alloy reticulated shell structure are only connected to the upper and lower flanges of the H-type aluminum alloy rods, and are not connected to the web, resulting in weak shear stiffness of the nodes and reducing the stable bearing capacity of the structure
[0004] 2. The H-type single-layer aluminum alloy reticulated shell structure belongs to the single-layer reticulated shell structure, and its bearing capacity is mainly controlled by stability, so it is difficult to fully exert the strength of the aluminum alloy material, which reduces the material utilization rate
[0005] 3. The nodes of the Frentier small double-layer aluminum alloy reticulated shell structure are hub-type nodes, and the bending rigidity is weak, resulting in poor overall stability of the structural system
[0006] 4. Although the Frentier small double-layer aluminum alloy reticulated shell structure includes upper and lower layers of rods, due to the limitations of the hub-type joint itself, the distance between the upper and lower layers of rods is small. The height of the upper and lower rods of the Florentier small double-layer aluminum alloy reticulated shell structure is generally about 0.5 meters, resulting in poor overall stability of the structural system, so it is difficult to fully exert the strength of the aluminum alloy material, reducing the Material utilization

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Embodiment Construction

[0026] The present invention will be described below in conjunction with the accompanying drawings and embodiments.

[0027] Such as figure 1 , figure 2 and image 3 As shown, the bolt-assembled double-layer aluminum alloy reticulated shell structure in this embodiment includes the upper H-shaped aluminum alloy rod 1, the lower H-shaped aluminum alloy rod 2, the upper bolt assembly node 3, the lower bolt assembly node 4, and the vertical aluminum alloy rod. Round web bar 5 and bolt 8. In the present invention, the upper bolt assembly node 3 and the lower bolt assembly node 4 are basically the same in structure, the main difference is that the former is located at the upper part of the vertical aluminum alloy round web bar 5, and the latter is located at the lower part of the vertical aluminum alloy round web bar 5 .

[0028] The arrangement of the upper H-shaped aluminum alloy rod 1 and the lower H-shaped aluminum alloy rod 2 of the bolt-assembled double-layer aluminum al...

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Abstract

The invention belongs to the technical field of building structures and relates to a bolt-assembled double-layer aluminum alloy latticed shell structure. The bolt-assembled double-layer aluminum alloy latticed shell structure comprises a plurality of H-type aluminum alloy bars. The H-type aluminum alloy bars on the upper layer are connected with the upper end of a vertical aluminum alloy circular web member through a bolt assembly joint on the upper layer, and the H-type aluminum alloy bars on the lower layer are connected with the lower end of the vertical aluminum alloy circular web member through a bolt assembly joint on the lower layer. Each bolt assembly joint comprises an upper cover plate, a lower cover plate, a center ribbed tube and a ribbed plate, wherein the ribbed plate is connected the center ribbed tube, and the center ribbed tube is connected with the upper cover plate and the lower cover plate through bolts. The upper flanges of the H-type aluminum alloy bars are connected with the upper cover plates of the bolt assembly joints through bolts, and the lower flanges of the H-type aluminum alloy bars are connected with the lower cover plates of the bolt assembly joints through bolts. Webs of the H-type aluminum alloy bars are connected with the ribbed plates of the bolt assembly joints through bolts. In this way, the bolt-assembled double-layer aluminum alloy latticed shell structure is formed. According to the bolt-assembled double-layer aluminum alloy latticed shell structure, the overall stability of a structural system and the utilization ratio of materials can be improved.

Description

technical field [0001] The invention relates to an aluminum alloy reticulated shell structure, in particular to a bolt-assembled double-layer aluminum alloy reticulated shell structure. Background technique [0002] With its excellent anti-corrosion ability, the aluminum alloy reticulated shell structure has been widely used in fields such as swimming pools, factories and warehouses in the chemical industry and coal industry, and structures under marine climate conditions. At present, the commonly used aluminum alloy reticulated shell structures are mainly H-shaped single-layer aluminum alloy reticulated shell structure and Florentier small double-layer aluminum alloy reticulated shell structure. With the application in engineering, these two aluminum alloy reticulated shell structures have exposed some of their own shortcomings, mainly in the following aspects: [0003] 1. The nodes in the H-type single-layer aluminum alloy reticulated shell structure are only connected to...

Claims

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Application Information

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IPC IPC(8): E04B1/32E04B1/58
Inventor 刘红波陈志华王小盾何永禹周婷
Owner TIANJIN UNIV
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