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A large-span space suspension spoke truss structure system and its construction method

A truss structure and spoke-type technology, applied in special structures, building components, building structures, etc., can solve problems such as increasing the difficulty of design and construction, increasing the difficulty of prestressed construction, and decreasing structural stability, and achieves enhanced overall stability. performance and bearing capacity, easy synchronous control, and high in-position accuracy

Active Publication Date: 2022-03-15
陕西建工集团股份有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the domestic research and application of suspen dome structure is mainly concentrated in the span of 150m. The stiffness of the upper single-layer reticulated shell of suspen dome structure is small. As the span increases, the structural stability will decrease, and the difficulty of prestressed construction will increase. The self-weight of the structure will increase significantly; if the upper structure is replaced by a double-layer reticulated shell with higher rigidity, the cost will be higher and the construction process will be complicated; and the use of a cable dome structure with a span of up to 200m will increase the difficulty of design and construction

Method used

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  • A large-span space suspension spoke truss structure system and its construction method
  • A large-span space suspension spoke truss structure system and its construction method
  • A large-span space suspension spoke truss structure system and its construction method

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Embodiment 1

[0056] like Figures 1 to 9 As shown, this embodiment provides a long-span space suspend-spoke truss structure system, including a dome portion, the dome portion includes a superstructure and a substructure; the substructure is arranged below the superstructure;

[0057] The superstructure includes a central ring truss 1, a middle ring truss 2, and an outer ring truss 3 arranged concentrically, and is arranged between the central ring truss 1 and the outer ring truss 3 along the radial direction and runs through the middle ring truss. Inverted triangular truss 4 and secondary truss 5 of 2;

[0058] The lower structure includes hoop cables 7, radial cables 8, stabilizing cables 9 and struts 10; The bottom end of the rod 10 is connected; one end of the radial cable 8 is connected to the upper structure, the other end of the radial cable 8 is connected to the bottom end of the strut 10, and the radial cable 8 It is arranged along the horizontal direction; the stable cable 9 is ...

Embodiment 2

[0068] like Figures 10 to 13 As shown, the invention discloses a construction method of a large-span space chord-supported-spoke truss structure system, comprising the following steps:

[0069] The first step: excavate the site, foundation construction, install the first column, install the central temporary support tire frame at the center of the structural system, and install the center point support tire frame of the inner ring using a prefabricated support frame to assemble the center temporary support tire frame and the inner ring The wind ropes are installed symmetrically around the central point support tire frame; the temporary support tire frame is erected in sections at the mid-span position of the truss;

[0070] Step 2: The steel structure is processed by the prefabrication factory, and the ground is pre-assembled on the site to form the central ring truss 1 and the unit main truss. The unit main truss includes inverted triangle truss 4 and secondary truss 5; the ...

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Abstract

The invention discloses a long-span space suspend-spoke truss structure system and a construction method, and relates to the technical field of civil engineering, including a dome part, the dome part includes a superstructure and a substructure; the substructure is arranged below the superstructure; the superstructure includes Central ring trusses, middle ring trusses, outer ring trusses, inverted triangle trusses and secondary trusses; the substructure includes hoop cables, radial cables, stabilizing cables and struts. The stability and bearing capacity of the structure are enhanced, so that the structure can realize the advantages of convenient construction, high structural bearing capacity and good stability while increasing the span. The hydraulic synchronous sliding technology is adopted in the construction. This technology can abandon the reaction force frame, save the reinforcement problem of the reaction force point, save time and effort, and be rigidly connected with the moved component. The synchronous control is easy to realize and the positioning accuracy is high. The lower part is composed of hoop cables and radial cables, and the prestressed cables are tensioned by a two-stage cyclic tension method, in which the hoop cables are passive tension cables, and the radial cables are active tension cables.

Description

technical field [0001] The invention relates to the technical field of civil engineering, in particular to a large-span space suspend-supported-spoke truss structure system and a construction method. Background technique [0002] In recent years, with the rapid development of my country's economy and technology, the structural adjustment of the construction industry and the acceleration of technological transformation, people have gradually put forward higher requirements for buildings such as excellent performance, beautiful shape, and large coverage space; The quantity and specifications have also been greatly improved, which not only provides the basic conditions for the country to hold various sports competitions, but also greatly promotes the application and development of large-span spatial structures. [0003] At present, the basic structural types commonly used in large-span spatial structures include grid structure, reticulated shell structure, suspension cable struc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/342E04B1/34E04B7/14E04B1/35
CPCE04B1/342E04B1/3404E04B7/14E04B1/35E04B2001/3583E04B2001/3577
Inventor 柳明亮纪志强吴延胡晓斌韩大富李成卜延渭曾珂魏超琪周春娟张飞
Owner 陕西建工集团股份有限公司
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