Combined-type cable dome structure for elliptic plane with unequal-height boundary

A composite, cable dome technology, applied in the direction of roof, building components, building structure, etc., can solve the problems of reducing the mid-span deflection of the secondary structure and the small spanning capacity of the rigid roof, so as to reduce the cost and construction difficulty, and balance the cable. The effect of unbalanced force, reducing adverse effects

Active Publication Date: 2015-10-14
TIANJIN UNIV RES INST OF ARCHITECTRUAL DESIGN & URBAN PLANNING +1
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  • Abstract
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AI Technical Summary

Problems solved by technology

However, the spanning capacity of the rigid roof is small, and it is necessary to add a secondary structure to support the roof and transmit the roof load to the main structure of the cable dome. Since the ridge cable has only axial stiffness but no bendi

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  • Combined-type cable dome structure for elliptic plane with unequal-height boundary
  • Combined-type cable dome structure for elliptic plane with unequal-height boundary
  • Combined-type cable dome structure for elliptic plane with unequal-height boundary

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[0025] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples, and detailed descriptions are as follows with accompanying drawings:

[0026] See Figure 1 ~ Figure 7 , An elliptical plane composite cable dome structure with unequal-height boundaries, including an outer ring beam 1 applied to the top of a unequal-height column of a substructure. The outer ring beam 1 adopts a spatial curve that changes with the elevation of the column top of the substructure Form, the horizontal projection of the outer ring beam 1 is an ellipse. The outer ring beam 1 may adopt a concrete or steel structure. In this embodiment, the long axis of the ellipse is 102m, the short axis is 81m, the top of the substructure column is not equal in height, and the difference between the lowest point of the long axis and the highest point of the short axis is 5.7m.

[0027] An inner ring beam 2 is provided above the middle of t...

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Abstract

The invention discloses a combined-type cable dome structure for an elliptic plane with an unequal-height boundary. The combined-type cable dome structure comprises an outer-ring beam arranged on unequal-height capitals of a lower structure. The outer-ring beam adopts a space-curve form which changes along with the elevation of capitals of the lower structure. The horizontal projection of the outer-ring beam is ellipse. An inner-ring beam is arranged above the middle portion of the outer-ring beam. Inhaul cables and ridge cables are arranged on the outermost ring of the outer-ring beam and the inner-ring beam through a levy-type structure, and inhaul cables and ridge cables are arranged within the outermost ring through a Geiger-type structure. A connecting beam for a balancing cable is arranged on the inner-ring beam additionally, and the balancing cable is arranged between the inner-ring beam and the outer-ring beam additionally. The combined-type cable dome structure can be applied to a structural engineering of which unequal-height horizontal projection of the boundary is an ellipse plane, the structure is forced uniformly, and the stability is strong; node structure is simple, the manufacturing cost is low, and construction is convenient; laying requirements of rigid roofing material can be met.

Description

technical field [0001] The invention relates to a cable dome structure, in particular to a composite cable dome structure with unequal boundaries and elliptical planes. Background technique [0002] The cable dome structure is a large-span space structure with extremely high structural efficiency developed on the basis of the tensegrity idea proposed by the American engineer Geiger in R.B.Fuller, and further developed by M.P.Levy and others It has been successfully applied to some large-span and ultra-long-span structural engineering once it came out. [0003] The conventional cable dome structure is a flexible space full-tension structure composed of ridge cables, oblique cables, ring cables and struts. It has a simple structure, clear force transmission, light weight, and strong space spanning ability. The cable dome structure can be divided into Geiger system cable dome, Levy system cable dome, sunflower type cable dome, Kaiwitt system cable dome, bird's nest type cable ...

Claims

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Application Information

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IPC IPC(8): E04B7/14
Inventor 闫翔宇陈志华于敬海马青贾莉韩芳冰王鑫王丹妮何彩云
Owner TIANJIN UNIV RES INST OF ARCHITECTRUAL DESIGN & URBAN PLANNING
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