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, ma

Method used

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  • Dual-strut cable dome structure

Examples

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Example Embodiment

[0030] Example 1

[0031] A double braced cable dome structure, see Figure 1-3 , all rods except the central strut are connected through the ball node 5, and the struts 4 are continuously arranged in the ring direction, that is, the projection coincides with the ring cable 3. The upper ends of the strut 4 and the oblique cable 2 are hingedly connected with the ridge cable 1, the oblique cable 2 connects the upper folding hinge point and the lower folding hinge point of the adjacent ring strut 4, and the ring cable 3 connects the same ring continuous strut 4. The lower end is arranged in a closed loop. The outermost ring ridge cable 1 and oblique cable 2 are anchored with the ball node bearing of the edge ring beam.

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

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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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