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Sunflower three-strut single-inclined-cable cable dome structure

A single oblique cable type and cable dome technology, applied in the field of architecture, can solve the problems of poor stability, insufficient torsional stiffness and stability, and achieve the effects of improving stability, reducing the amount of cable materials and reducing project cost.

Pending Publication Date: 2019-11-22
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the horizontal projection of the pressure rod is a point, the projection of the same ring of pressure rods forms a point ring, that is, the pressure rods are perpendicular to the horizontal plane and are not connected to each other, resulting in poor stability
Especially for the rib-ring cable dome structure, the upper chord node has no ring members to constrain it, resulting in obvious deficiencies in the torsional stiffness and stability of the structure

Method used

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  • Sunflower three-strut single-inclined-cable cable dome structure
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  • Sunflower three-strut single-inclined-cable cable dome structure

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Embodiment Construction

[0026] like figure 1 and 2 As shown, a sunflower three-strut single-cable cable dome structure includes a symmetrical space basic unit ( figure 1 middle shaded part), lower chord ring cable, inner ring cable, outer ring beam.

[0027] like image 3 , 4 , 5, each symmetrical space basic unit includes four upper string notches 1 (solid lines in the figure), three struts 2 (dense dotted lines in the figure), and a diagonal cable 3 (dotted line in the figure).

[0028] The four upper-chord notochords 1 are connected end to end to form a three-dimensional quadrilateral in space. The horizontal projection of the three-dimensional quadrilateral in space is a free isosceles quadrilateral composed of two isosceles triangles with a common base, and its horizontal projection is a free isosceles quadrilateral composed of two isosceles triangles with a common base. isosceles quadrilateral. Two adjacent notochords 1 intersect at a notochord node, including a notochord top node A, a not...

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Abstract

The invention discloses a sunflower three-strut single-inclined-cable cable dome structure. In the prior art, the difficulty of structure construction is high, a joint structure is complex, and sensitivity to the construction error and the component processing error is very poor. The sunflower three-strut single-inclined-cable cable dome structure comprises symmetrical space basic units, lower chord ring cables, inner ring cables and outer ring beams. The symmetrical space basic unitsare space three-dimensionalquadrangles, and comprisefour upper chord spinal cables, three struts and inclined cables, one ends of the three struts are connected to top joints of the spinal cables and side joints of the twospinal cables, one ends of the inclined cablesare connected to bottom joints of the spinal cables, and the struts andthe other end of the inclined cables are connectedto lower chord joints of the symmetrical space basic units. The symmetrical space basic units extend in circumferential directions, the lower chord joints of every two adjacent symmetrical space basic units are connected through ring cable sections, and the lower chord ring cables are formed; and circumferential direction substructures extend in radial directions, the circumferential direction substructures at the bottoms aresupported on the outer ring beams, and the tops of the circumferential direction substructures are provided with the inner ring cables. According to the sunflower three-strut single-inclined-cable cable dome structure, the structure is stable, an architectural image is concise and beautiful,and the space effect is high.

Description

technical field [0001] The invention belongs to the technical field of architecture, and in particular relates to a sunflower three-strut single-cable cable dome structure. Background technique [0002] The cable dome structure has excellent mechanical performance, beautiful structural shape and outstanding economic indicators. The current research and practice are based on the Fuller concept of "an ocean of cables and an island of compression rods", that is, each upper and lower chord node in the cable dome is equipped with only one vertical compression rod to form a tension field pressure "islands" in Since the horizontal projection of the pressure rod is a point, the projection of the same ring of pressure rods forms a point ring, that is, the pressure rods are perpendicular to the horizontal plane and are not connected to each other, resulting in poor stability. Especially for the rib-ring cable dome structure, the upper chord node has no ring members to constrain it, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B7/08
CPCE04B7/08
Inventor 董石麟刘宏创涂源朱谢联陈伟刚苗峰
Owner ZHEJIANG UNIV
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