Large cantilever rigid-flexible combined space structure system

Abstract

The utility model provides a kind of big overhanging rigid-flexible combination space structure system, belong to building construction field.Its technical scheme is: including big overhanging steel structure, internal cable structure and the movable support of the rigid-flexible combination place connecting both, big overhanging steel structure is by outer pipe truss ring beam structure, inner pipe truss ring beam structure, star truss structure and net shell structure constitute, form the whole stiffness very big overhanging main body, internal cable structure is connected with the inner pipe truss ring beam structure of big overhanging steel structure by movable support.The utility model has the beneficial effect that: using rigid structure and flexible structure cooperate, with the coupling stress effect of "rigid-flexible", not only can significantly reduce the seismic response of overall structure, can also improve the wind-induced dynamic response of flexible structure part, simultaneously, big overhanging rigid-flexible combination space structure system effectively improves the structure span capacity, reduces structure deadweight.

Description

Technical Field

[0001] This utility model relates to the field of building construction, and in particular to a large cantilever rigid-flexible combined spatial structure system. Background Technology

[0002] Cable structures are widely used in major national projects such as large stadiums, exhibition halls, glass curtain walls, and astronomical monitoring facilities. These structures have many advantages, such as low self-weight, strong span capacity, fast construction speed, and beautiful shape. Therefore, more and more designers prefer to use large-span spatial cable structures as load-bearing structures. How to design a structural building that can improve the span capacity of the structure, reduce the self-weight of the structure, and increase the structure's resistance to progressive collapse has become a technical problem that needs to be solved by those skilled in the art. Utility Model Content

[0003] The purpose of this utility model is to provide a system that uses a rigid structure and a flexible structure to work together, achieving a "rigid-flexible" coupled force effect. This system can significantly reduce the seismic response of the overall structure and improve the wind-induced dynamic response of the flexible structure. At the same time, the large cantilever rigid-flexible combined spatial structure system effectively improves the structural spanning capacity and reduces the structural self-weight.

[0004] This utility model is achieved through the following measures:

[0005] A large cantilevered rigid-flexible spatial structure system, characterized in that it includes a large cantilevered steel structure, an internal cable structure, and a movable support at the rigid-flexible junction connecting the two.

[0006] The large cantilever steel structure is composed of an outer tube truss ring beam structure, an inner tube truss ring beam structure, a star-shaped truss structure, and a grid shell structure, forming a cantilever main body with extremely high overall rigidity.

[0007] The internal cable structure is connected to the internal tube truss ring beam structure of the large cantilever steel structure via movable supports.

[0008] Both the outer tube truss ring beam structure and the inner tube truss ring beam structure are spatial tube truss structures formed by welding steel pipes. The star-shaped truss structure connects the outer tube truss ring beam structure and the inner tube truss ring beam structure. The reticulated shell structure is set on the outer tube truss ring beam structure, the inner tube truss ring beam structure, and the star-shaped truss structure.

[0009] The cross-sectional height of the outer tube truss ring beam structure is greater than that of the inner tube truss ring beam structure.

[0010] The specific features of this utility model also include:

[0011] The internal cable structure includes upper and lower double-layer closed ring cable nets, which are supported by flying columns. The two ends of the flying columns are connected to the upper and lower ring cables by cable clamps.

[0012] The flying column section is used to support the upper and lower ring cable sections in the double-layer cable net structure, forming a spatial cable net system.

[0013] The movable support is connected to the upper and lower ring cables via upper radial cables and lower radial cables, respectively.

[0014] The upper radial cable and the lower radial cable are hinged to the movable support through the cable head.

[0015] The movable support includes a ball joint support disposed on the inner tube truss ring beam structure, and a pressure ring beam is disposed on the ball joint support. The upper radial cable and the lower radial cable are hinged to the pressure ring beam through cable heads.

[0016] The movable support releases displacement constraints after the internal cable structure is tensioned, thus achieving deformation coordination between the large cantilever steel structure and the internal cable structure.

[0017] A sling or strut is provided between the upper radial cable and the lower radial cable.

[0018] The slings or struts are vertically or inclined cables or rigid rods that connect the upper and lower radial cable sections to form a spatially stable cable net.

[0019] The upper radial cable, the lower radial cable, and the ring cable section are all made of high vanadium closed cable or steel strand.

[0020] The star-shaped truss structure is composed of welded steel pipes arranged radially or in a grid pattern. It connects the outer tube truss ring beam structure, the inner tube truss ring beam structure, and the grid shell structure to form a cantilevered force transmission skeleton.

[0021] The reticulated shell structure is a single-layer or double-layer irregular steel reticulated shell, and the reticulated shell structure is a curved surface structure with rigid or semi-rigid node connections.

[0022] The beneficial effects of this utility model are as follows: by using rigid and flexible structures to work together, it has a "rigid-flexible" coupled force effect, which can not only significantly reduce the seismic response of the overall structure, but also improve the wind-induced dynamic response of the flexible structure. At the same time, the large cantilever rigid-flexible combined spatial structure system effectively improves the structural spanning capacity and reduces the structural self-weight. Attached Figure Description

[0023] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model.

[0024] Figure 2 This is a structural schematic diagram of an embodiment of the present utility model.

[0025] Figure 3 This is a schematic diagram of the internal cable structure in an embodiment of the present invention.

[0026] Figure 4 This is a schematic diagram of the connection structure of the movable support in an embodiment of this utility model.

[0027] The attached diagrams are labeled as follows: 1. Outer tube truss ring beam structure; 2. Inner tube truss ring beam structure; 3. Star truss structure; 4. Grid shell structure; 5. Internal cable structure; 6. Upper ring cable; 7. Lower ring cable; 8. Upper radial cable; 9. Lower radial cable; 10. Suspension cable; 11. Flying column; 12. Ball joint support; 13. Pressure ring beam. Detailed Implementation

[0028] To clearly illustrate the technical features of this solution, the following detailed implementation method will be used to explain the solution.

[0029] See Figure 1-4 A large cantilever rigid-flexible spatial structure system includes a large cantilever steel structure, an internal cable structure 5, and a movable support at the rigid-flexible junction connecting the two.

[0030] The large cantilever steel structure consists of an outer tube truss ring beam structure 1, an inner tube truss ring beam structure 2, a star-shaped truss structure 3, and a grid shell structure 4, forming a cantilever main body with extremely high overall rigidity.

[0031] The internal cable structure 5 is connected to the internal tube truss ring beam structure 2 of the large cantilever steel structure via movable supports;

[0032] Both the outer tube truss ring beam structure 1 and the inner tube truss ring beam structure 2 are spatial tube truss structures formed by welding steel pipes. The star-shaped truss structure 3 connects the outer tube truss ring beam structure 1 and the inner tube truss ring beam structure 2. The grid shell structure 4 is set on the outer tube truss ring beam structure 1, the inner tube truss ring beam structure 2, and the star-shaped truss structure 3.

[0033] The cross-sectional height of the outer tube truss ring beam structure 1 is greater than that of the inner tube truss ring beam structure 2.

[0034] The internal cable structure 5 includes upper and lower double-layer closed ring cable nets, which are supported by flying columns 11. The two ends of the flying columns 11 are connected to the upper ring cable 6 and the lower ring cable 7 by cable clamps.

[0035] The flying column 11 section is used to support the upper and lower ring cables in the double-layer cable net structure, forming a spatial cable net system.

[0036] The movable support is connected to the upper and lower ring cables 7 by the upper radial cable 8 and the lower radial cable 9, respectively;

[0037] The upper radial cable 8 and the lower radial cable 9 are hinged to the movable support through the cable head.

[0038] The movable support includes a ball joint support 12 installed on the inner tube truss ring beam structure 2. A pressure ring beam 13 is installed on the ball joint support 12. The upper radial cable 8 and the lower radial cable 9 are hinged to the pressure ring beam 13 through the cable heads.

[0039] The movable support releases displacement constraints after the internal cable structure 5 is tensioned, thus achieving deformation coordination between the large cantilever steel structure and the internal cable structure 5.

[0040] A sling 10 or a strut is provided between the upper radial cable 8 and the lower radial cable 9.

[0041] The slings 10 or struts are vertically or inclined cables or rigid members that connect the upper and lower radial cable sections to form a spatially stable cable net.

[0042] The upper radial cable 8, the lower radial cable 9, and the ring cable section all use high vanadium closed cables or steel strands.

[0043] The star-shaped truss structure 3 is composed of welded steel pipes arranged radially or in a grid pattern. It connects the outer tube truss ring beam structure 1, the inner tube truss ring beam structure 2, and the grid shell structure 4 to form a cantilevered force transmission skeleton.

[0044] The reticulated shell structure 4 is a single-layer or double-layer irregular steel reticulated shell, and the reticulated shell structure 4 is a curved surface structure with rigid or semi-rigid node connections.

[0045] The technical features of this utility model not described can be implemented by or by using existing technology, and will not be repeated here. Of course, the above description is not a limitation of this utility model, and this utility model is not limited to the examples above. Any changes, modifications, additions or substitutions made by those skilled in the art within the scope of this utility model should also be within the protection scope of this utility model.

Claims

1. A large cantilevered rigid-flexible combined spatial structure system, characterized in that, It includes a large cantilever steel structure, an internal cable structure, and a movable support at the rigid-flexible joint connecting the two. The large cantilever steel structure is composed of an outer tube truss ring beam structure, an inner tube truss ring beam structure, a star-shaped truss structure, and a grid shell structure, forming a cantilever main body with extremely high overall rigidity. The internal cable structure is connected to the internal tube truss ring beam structure of the large cantilever steel structure via movable supports. Both the outer tube truss ring beam structure and the inner tube truss ring beam structure are spatial tube truss structures formed by welding steel pipes. The star-shaped truss structure connects the outer tube truss ring beam structure and the inner tube truss ring beam structure. The reticulated shell structure is set on the outer tube truss ring beam structure, the inner tube truss ring beam structure, and the star-shaped truss structure.

2. The large cantilever rigid-flexible combined spatial structure system according to claim 1, characterized in that, The internal cable structure includes upper and lower double-layer closed ring cable nets, which are supported by flying columns. The two ends of the flying columns are connected to the upper and lower ring cables by cable clamps.

3. The large cantilever rigid-flexible combined spatial structure system according to claim 2, characterized in that, The movable support is connected to the upper and lower ring cables via upper radial cables and lower radial cables, respectively. The upper radial cable and the lower radial cable are hinged to the movable support through the cable head.

4. The large cantilever rigid-flexible combined spatial structure system according to claim 3, characterized in that, The movable support includes a ball joint support disposed on the inner tube truss ring beam structure, and a pressure ring beam is disposed on the ball joint support. The upper radial cable and the lower radial cable are hinged to the pressure ring beam through cable heads.

5. The large cantilever rigid-flexible combined spatial structure system according to claim 4, characterized in that, A sling or strut is provided between the upper radial cable and the lower radial cable.

6. The large cantilever rigid-flexible combined spatial structure system according to claim 5, characterized in that, The upper radial cable, the lower radial cable, and the ring cable section are all made of high vanadium closed cable or steel strand.

7. The large cantilever rigid-flexible combined spatial structure system according to claim 6, characterized in that, The star-shaped truss structure is composed of welded steel pipes arranged radially or in a grid pattern.

8. The large cantilever rigid-flexible combined spatial structure system according to claim 7, characterized in that, The reticulated shell structure is a single-layer or double-layer irregular steel reticulated shell, and the reticulated shell structure is a curved surface structure with rigid or semi-rigid node connections.

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