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Layer-by-layer double-ring rib-ring type cable dome structure and construction forming method

A cable dome and ring rib technology is applied in the field of layer-by-layer double ring rib ring type cable dome structure and construction forming, which can solve problems such as inability to build and cannot be built well, and achieves reduced construction costs, simple tensioning equipment and control methods, Sensitivity reduction effect

Inactive Publication Date: 2011-09-28
ZHEJIANG UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Otherwise, it cannot be built well, or even

Method used

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  • Layer-by-layer double-ring rib-ring type cable dome structure and construction forming method
  • Layer-by-layer double-ring rib-ring type cable dome structure and construction forming method
  • Layer-by-layer double-ring rib-ring type cable dome structure and construction forming method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0053] 1. Construction and production of cable-strut joints:

[0054] by Figure 4 The layer-by-layer double-ring rib ring cable dome structure shown is an example, and the components associated with the cable-strut nodes include upper and lower ring cables 1, 1', upper and lower inclined cables (rods) 2, 2', and struts 3 .

[0055] The manufacturing process of the upper cable rod node is as follows: Figure 5 a. Figure 5 b. Figure 5 c. Figure 5 d. Figure 5 e. Figure 5 f. Figure 5 g. Figure 12 , Figure 13 shown. Process an elliptical steel ring 4 by casting or cutting process; drill a bolt hole 5 on a narrow side of the elliptical steel ring 4; drill a round hole 6 in the middle of a wide side of the elliptical steel ring 4 until the other wide side; Be processed into screw hole 7 at the round hole 6 tops of a broadside of oval steel ring 4; Weld the lug plate 8 of oblique cable (rod) 2 on this layer at one end of a narrow side of oval steel ring 4; One end...

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Abstract

The invention discloses a layer-by-layer double-ring rib-ring type cable dome structure and a construction forming method. A circle of brace struts in a vertical surface is taken as one layer, each layer other than a top layer comprises a plurality of elements which are the same in geometrical characteristic and quantity, and every two adjacent layer are arranged at equal intervals. The upper endand the lower end of one brace strut of each element are respectively provided with an upper cable strut joint and a lower cable strut joint; one side of the upper cable strut joint is connected withan upper stayed cable of the same layer, and the other side of the upper cable strut joint is respectively connected with an upper stayed cable of an upper layer, a lower stayed cable of the upper layer and an upper hoop cable through the middle of the upper cable strut joint; the lower cable strut joint at the same side of upper stayed cable of the same layer is connected with a lower stayed cable of the same layer and a lower hoop cable through the middle of the lower cable strut joint; and the top layer comprises the upper cable strut joint, the lower cable strut joint and a retractable brace strut, the upper cable strut joint is connected with all the upper stayed cables at the top layer, and the lower cable strut joint is connected with all the lower stayed cables at the top layer. The invention has the advantages of high construction accuracy, convenient construction method, low construction cost and safe structure use.

Description

technical field [0001] The invention relates to a rib-ring type cable dome structure system and a construction forming method, in particular to a layer-by-layer double-ring rib-ring type cable dome structure and a construction forming method. Background technique [0002] The existing rib-ring cable dome structure is a flexible system composed of ring cables, ridge cables (upper chord cables), oblique cables (lower chord cables), struts, and cable-rod nodes, which rely on prestressing to provide stiffness. The generation of prestress and the shaping of the structure are completed along with the construction process. There is only one ring rope in each circle, which is connected with the lower cable rod node of the strut. The connection relationship between the cable-rod node and the notochord (rod), oblique cable (rod), and ring cable is a rotatable hinged relationship. The completed rib-ring cable dome structure engineering generally adopts the prestressing construction m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B7/08E04B1/342E04B1/32E04G21/14
CPCE04B7/14E04B2001/1996E04B7/08
Inventor 卓新王苗夫董石麟
Owner ZHEJIANG UNIV