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Construction method for integrally lifting upper layer and lower layer of spoke type double-layer cable net structure

A cable-net structure and overall lifting technology, applied in building components, building structures, roofs, etc., can solve problems such as complex installation procedures

Active Publication Date: 2021-06-15
BEIJING ACAD OF BUILDING ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In addition, the double-layer spoke-type cable truss structure in the patent CN112127480A adopts the form of rigid compression rod connection between the upper radial cable and the lower radial cable, and the installation process is more complicated

Method used

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  • Construction method for integrally lifting upper layer and lower layer of spoke type double-layer cable net structure
  • Construction method for integrally lifting upper layer and lower layer of spoke type double-layer cable net structure
  • Construction method for integrally lifting upper layer and lower layer of spoke type double-layer cable net structure

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Embodiment 1

[0052] like Figure 1 to Figure 3 As shown, the preferred embodiment of the present invention provides a spoke type double-layer cable net structure, the double-layer cable net structure includes a radial cable truss 2, an upper hoop cable 3, a lower hoop cable 5, a fly column 6 and an inner ring Cross stay cables 4, wherein the outer side of the radial cable truss is anchored on the outer pressure ring 1, and the inner side is connected with the upper hoop cable 3 and the lower hoop cable 5. Each radial cable truss 2 is composed of an upper radial cable 8 and a lower radial cable 13, and seven slings 10 are arranged between the upper radial cable 8 and the lower radial cable 13, and the slings 10 pass through the upper radial cable. The clamp 9 and the lower radial cable clamp 14 are respectively connected with the upper radial cable 8 and the lower radial cable 13 . The upper radial cable 8 and the lower radial cable 13 are respectively connected with the upper circular cab...

Embodiment 2

[0057] In a preferred embodiment, as Figures 6A-6B As shown, the upper hoop cable clip 11 includes two forms of the first upper hoop cable clip 111 and the second upper hoop cable clip 112, wherein the first upper hoop cable clip 111 includes an upper hoop cable clip body 120, The upper circular cableway 121, the first flying column connecting part 122 and the upper radial cable connecting part 123, wherein the upper circular cableway 121 is symmetrically set on the upper and lower parts of the upper circular cable clamp body 120, and the upper radial cable connecting part 123 is disposed on one side of the upper hoop cable clamp body 120 , and the first flying post connecting portion 122 is disposed on the bottom of the upper hoop cable clamp body 120 . The second upper hoop cable clip 112 includes an upper hoop cable clip body 120, an upper hoop cable connecting portion 121, a first flying column connecting portion 122, an upper radial cable connecting portion 123 and an in...

Embodiment 3

[0060] like Figure 10 As shown, the construction method of the double-layer integral lifting of the spoke type double-layer cable net structure of the present invention comprises the following steps:

[0061] Step S1. Determine the double-layer cable net structure, and according to the determined mechanical characteristics of the double-layer cable net structure, by analyzing and comparing the advantages and disadvantages and feasibility of various methods of applying steel cable prestressing, it is determined that the lower layer should be assembled first. Cable system (lower radial cable + lower circular cable), then assemble the upper layer cable system (upper radial cable + upper circular cable), through the overall lifting of the upper and lower layers, first install the upper radial cable as a whole, and then install the lower cable as a whole Radial cables form the cable net at one time to complete the construction plan of the construction.

[0062] Step S2. Based on ...

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Abstract

The invention discloses a construction method for integrally lifting an upper layer and a lower layer of a spoke type double-layer cable net structure. The construction method comprises the following steps that S1, the double-layer cable net structure is determined, analysis and comparison are carried out according to the stress characteristics of the double-layer cable net structure, and a construction scheme is determined; S2, based on the determined double-layer cable net structure, an overall structure calculation model of the double-layer cable net structure is established, and simulation calculation of each construction stage is carried out; S3, a splicing jig frame is erected on a construction site, and the double-layer cable net structure is assembled; S4, an upper-layer cable system and a lower-layer cable system are integrally lifted through a tool cable and a lifting device; S5, an upper radial cable of a radial cable truss is integrally installed, and cable force adjustment is conducted; S6, a lower radial cable of the radial cable truss is integrally installed, and cable force adjustment is conducted; S7, slings of the radial cable truss are installed, comparative analysis on coordinates of key parts of the cable net and theoretical cable net forming coordinates is carried out, and the lower radial cable is correspondingly adjusted to form the double-layer cable net structure; and S8, relevant tools and jig frames are dismantled to complete construction.

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to a construction method for overall lifting of the upper and lower layers of a spoke-type double-layer cable net structure. Background technique [0002] The hub-and-spoke cable net structure is one of the large-span prestressed steel structure systems. It is mainly composed of tensioned inner ring cables, compression outer ring beams and radial cable trusses connecting the inner and outer rings, forming an overall self-balancing system. , is a novel structure. The cable does not need additional foundation anchorage, and the force transmission is direct and efficient. The roof of this type of structure is often covered with membrane materials, which has the characteristics of light weight, strong spanning ability, rapid on-site construction, and simple and beautiful appearance. [0003] The spoke-type double-layer cable-net structure is a typical structure of the sp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B7/14E04B1/342E04B1/35
CPCE04B1/342E04B1/3511E04B7/14E04B2001/3583
Inventor 卢立飞司波高晋栋尤德清尧金金喻馨张致豪张晓迪杨越张维廉鲍敏马健张书欣
Owner BEIJING ACAD OF BUILDING ENG
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