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Dual-strut cable dome structure

A cable dome and double strut technology, which is applied to roofs, building components, building structures, etc., can solve the problems of low overall stiffness and multiple construction difficulties for flexible cable components, and achieve easy construction and installation, good geometric stability, and transmission. The effect of force and simplicity

Inactive Publication Date: 2016-09-21
BEIJING UNIV OF TECH
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Problems solved by technology

[0004] Technical problem: The invention solves the shortcomings of the traditional cable dome structure, such as low overall rigidity, many flexible cable components and difficult construction, and proposes a new type of full-tension structure system—double-strut cable dome

Method used

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Embodiment 1

[0031] A double-strut cable dome structure, see Figure 1-3 , all the rods except the central strut are connected through the spherical joint 5, and the struts 4 are arranged continuously in the ring direction, that is, the projection coincides with the hoop 3. The upper ends of the struts 4 and the oblique cables 2 are hingedly connected with the ridge cord 1, the oblique cables 2 are connected to the hinge points of the upper and lower folds of the adjacent ring struts 4, and the hoops 3 are connected to the continuous struts 4 of the same ring. The lower end is arranged in a closed loop. The outermost ridge cable 1 and oblique cable 2 are anchored to the ball joint support of the edge ring beam.

[0032] The strut 4 is made of high-strength seamless round steel pipe. The elevation of the central strut is the highest, the elevation of the top of the continuous struts is the same in the circumferential direction, and decreases radially from the inside to the outside. The n...

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Abstract

The utility model relates to a double-strut cable dome structure, which belongs to the technical field of space structure of civil engineering. A double-strut cable dome structure is mainly composed of ridge cables, oblique cables, continuous struts and ring cables. The new structure is that the struts are arranged continuously from end to end, that is, the projection coincides with the hoop, and all the struts except the central strut are connected through spherical joints. The upper ends of the struts and oblique cables are hingedly connected with the ridge cables, the oblique cables connect the upper and lower ends of the adjacent ring struts, and the hoop cables connect the lower ends of the continuous struts of the same ring, and are arranged in a closed ring direction. Through prestress tension, prestress is established in the ridge cables, ring cables, oblique cables and struts, which belong to the full tension structure system. Compared with the traditional cable dome structure, the double-strut cable dome has the characteristics of light weight, high overall rigidity, and fewer oblique cables. At the same time, it has better mechanical performance, convenient construction, and good comprehensive economic benefits. The roof suitable for large-span buildings is a prestressed space structure form with broad development prospects.

Description

technical field [0001] The invention discloses a novel full-tension structure, in particular relates to a double-strut cable dome structure, and belongs to the technical field of space structures of civil engineering. Background technique [0002] In recent years, with the development of economy and the progress of civilization, social demands pose new challenges to structural engineering. Due to the development of public activity places such as production, sports, and exhibitions to the requirements of large spans and large spaces, engineers have also made continuous breakthroughs and proposed various new structural forms. The new structural forms derived from the combination of prestressing technology and steel structure system, such as string beams, cable nets, cable-stayed structures, cable arches, prestressed trusses, suspension domes, cable domes, etc., meet these needs. The prestressed steel structure can create a new system with reasonable force and beautiful shape,...

Claims

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Application Information

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IPC IPC(8): E04B7/14E04B1/19E04B1/58
CPCE04B7/14E04B1/19E04B1/1906E04B2001/1996
Inventor 张爱林孙超白羽
Owner BEIJING UNIV OF TECH
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