CN218233799U - Prestressed stay cable reinforced space structure - Google Patents
Prestressed stay cable reinforced space structure Download PDFInfo
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- CN218233799U CN218233799U CN202222258997.3U CN202222258997U CN218233799U CN 218233799 U CN218233799 U CN 218233799U CN 202222258997 U CN202222258997 U CN 202222258997U CN 218233799 U CN218233799 U CN 218233799U
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- 239000000725 suspension Substances 0.000 claims abstract description 35
- 238000009434 installation Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a prestressing force suspension cable consolidates spatial structure, it is located head tree and radial girder top, and the head tree top is located in radial girder slope, and the bottom of head tree buries ground, and includes auxiliary stand and a plurality of suspension cable, main stand and radial girder top are located to the auxiliary stand, auxiliary stand and head tree are at same perpendicular line, radial girder is connected to suspension cable one end, and auxiliary stand is connected to the other end of suspension cable, just radial girder's both ends are located to the suspension cable, and the suspension cable provides middle elastic support for overall structure, becomes high order hyperstatic structure, has changed original structure atress system, and through the both ends of the radial girder of suspension cable, the internal force of the coordinated structure and amount of deflection of stretching-draw can be initiatively offset, and the partial external load internal force and the amount of deflection are offset, make the too big problem of original structure amount of deflection obtain solving.
Description
Technical Field
The utility model belongs to the technical field of large-span space steel structure consolidates and reforms transform, especially, relate to a spatial structure is consolidated to prestressing force suspension cable.
Background
Referring to fig. 1, the schematic diagram of the original large-span overhanging steel structure comprises a stand column and a radial main beam, and the large-span spatial steel structure is easy to generate structural performance degradation, deflection increase, purline downwarping, main structure deformation and the like under the action of long-term wind load or other loads, so that seams of roof boards arranged on the radial main beam are cracked and water leakage is indirectly caused, and reinforcement measures are needed to restore the structure to the original stress state.
However, the reinforcing and improving performance of the large-span space structure in China mainly adopts the steps of replacing structural rods, replacing a roof, applying prestress inside the roof and the like. In some overhanging large-span structures, the methods have a certain performance improving effect, but the problems of structural performance degradation, deflection increase, purline downwarping, main structure deformation and the like cannot be fundamentally solved.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a prestressing force suspension cable consolidates spatial structure.
The technical scheme of the utility model lies in:
the utility model relates to a prestressing force suspension cable consolidates spatial structure, it is located head tree and radial girder top, and the head tree top is located in radial girder slope, and the bottom of head tree buries ground, and includes vice stand and a plurality of suspension cable, head tree and radial girder top are located to vice stand, vice stand is at same plumb line with the head tree, radial girder is connected to suspension cable one end, and vice stand is connected to the other end of suspension cable, just the both ends of radial girder are located to the suspension cable, through the both ends of suspension cable stretch-draw radial girder.
Further, the suspension cable includes fore-cable and backstay, radial girder is including the span length end of encorbelmenting and span stub, the fore-cable links to each other with the span length end of encorbelmenting, the backstay links to each other with the span stub of encorbelmenting.
Further, the installation distance between the front cables is larger than that between the rear cables.
Furthermore, a plurality of lug plates are respectively arranged on the radial main beam and the auxiliary upright post, through holes are arranged on the lug plates, and stay cables penetrate into the through holes.
And furthermore, a pull rod is arranged below the radial main beam, one end of the pull rod is fixedly connected with the cantilever span short end, the other end of the pull rod is embedded into the ground, and the load of the stay cable is transmitted to the ground through the pull rod.
Furthermore, the radial main beam is also connected with a plurality of connecting beams and a plurality of inclined struts, and the radial main beam, the connecting beams and the inclined struts are intersected and erected to form a grid shape.
The beneficial effects of the utility model reside in that: on original large-span cantilever steel structure basis, the design is including the prestressing force suspension cable reinforcement spatial structure of auxiliary standing pillar and a plurality of suspension cable, and suspension cable provides middle elastic support for overall structure, becomes high-order hyperstatic structure, has changed original structure atress system, and through the both ends of the radial girder of suspension cable stretch-draw, structure internal force and amount of deflection can be initiatively coordinated, and external load internal force and amount of deflection are offset to the part, make the too big problem of original structure amount of deflection obtain solving.
Drawings
FIG. 1 is a schematic view of an original large-span cantilever steel structure;
fig. 2 is a schematic structural view of a prestressed stay cable reinforced space structure of the present invention;
fig. 3 is the utility model relates to a spatial structure's roofing unit and radial girder's schematic structure is consolidated to prestressing force suspension cable.
Reference numerals: 1. the main upright post, 2, a radial main beam, 21, an overhanging span long end, 22, an overhanging span short end, 3, an auxiliary upright post, 4, a stay cable, 41, a front cable, 42, a rear cable, 5, an ear plate, 51, a through hole, 6, a pull rod, 7, a connecting beam, 8, an inclined strut, 9 and the ground.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "on" or "secured to" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected" or "fixedly coupled" to another element, it can be directly coupled or indirectly coupled to the other element.
It will be understood that the terms "above," "below," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "vertical," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Please refer to fig. 2, the utility model provides a prestressing force suspension cable consolidates spatial structure, it is located the head tree 1 and radial girder 2 top, and 1 top of head tree is located to radial girder 2 slope, and the bottom of head tree 1 buries ground 9, and includes auxiliary standing pillar 3 and a plurality of suspension cable 4, main standing pillar 1 and radial girder 2 top are located to auxiliary standing pillar 3, auxiliary standing pillar 3 and head tree 1 are at same vertical line, radial girder 2 is connected to suspension cable 4 one end, and auxiliary standing pillar 3 is connected to the other end of suspension cable 4, just radial girder 1's both ends are located to suspension cable 4, and suspension cable 4 provides middle elastic support for overall structure, becomes high order hyperstatic structure, has changed original structure atress system, and through the both ends of suspension cable 4 stretch-draw radial girder 2, can initiatively coordinate structure internal force and amount of deflection, and partly offset external load internal force and amount of deflection, makes the too big problem of original structure amount of deflection obtain solving.
However, the whole structure generates prestress through the stay cable on one hand and also increases load on the other hand; the load added by the stay cables can be transmitted to the ground through the main upright post 11 and the auxiliary upright post 21.
The suspension cable 4 includes anterior chord 41 and back cable 42, radial girder 2 is including the span length end 21 of encorbelmenting and span length end 22, anterior chord 41 links to each other with the span length end 21 of encorbelmenting, back cable 42 links to each other with the span length end 22 of encorbelmenting.
The installation distance between the front cables 41 and the front cables 41 is greater than the installation distance between the rear cables 42 and the rear cables 42.
The radial main beam 1 and the auxiliary upright post 3 are respectively provided with a plurality of ear plates 5, the ear plates 5 are provided with through holes 51, and the stay cables 4 penetrate through the through holes 51. As shown in fig. 2, the overhang span long end 21 and the ear plate 5 on the auxiliary upright post 3 are both triangular, and the overhang span short end 22 has a parallelogram-shaped ear plate 5.
A pull rod 6 is arranged below the radial main beam 2, one end of the pull rod 6 is fixedly connected with the overhanging span short end 22, the other end of the pull rod 6 is embedded into the ground 9, and the load of the stay cable 4 is transmitted to the ground through the pull rod 6. When the bearing capacity of the main upright post 11 and the auxiliary upright post 21 is insufficient, the load of the stay cable 4 is transmitted to the ground 5 through the pull rod 33, the pull rod 33 shares the load, and the stability of the structure is ensured.
Referring to fig. 3, looking up at the radial main beam 2, the radial main beam 2 is further connected with a plurality of connecting beams 7 and a plurality of inclined struts 8, and the radial main beam 2, the connecting beams 7 and the inclined struts 8 are intersected and built into a grid shape, so that the radial main beam 2 is further prevented from being downwarped.
The main upright post 1 and the auxiliary upright post 3 can adopt thick-wall round steel pipes, and the radial main beam 2 can adopt a variable-flange-width welded box beam or a perforated I-shaped steel beam.
The above-mentioned embodiments only represent one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. The utility model provides a prestressing force suspension cable consolidates spatial structure, its locates head mast (1) and radial girder (2) top, and head mast (1) top is located in radial girder (2) slope, and ground (9) are buried to the bottom of head mast (1), its characterized in that, including auxiliary column (3) and a plurality of suspension cable (4), head mast (1) and radial girder (2) top are located in auxiliary column (3), auxiliary column (3) and head mast (1) are at same perpendicular line, radial girder (2) are connected to suspension cable (4) one end, and auxiliary column (3) are connected to the other end of suspension cable (4), just radial girder (2)'s both ends are located in suspension cable (4), through the both ends of suspension cable (4) stretch-draw radial girder (2).
2. The prestressed stay cable reinforced spatial structure according to claim 1, wherein the stay cable (4) comprises a front cable (41) and a rear cable (42), the radial main beam (2) comprises an overhanging span long end (21) and an overhanging span short end (22), the front cable (41) is connected with the overhanging span long end (21), and the rear cable (42) is connected with the overhanging span short end (22).
3. The spatial structure for reinforcing prestressed stay cables according to claim 2, characterized in that the installation distance between the front cables (41) and the front cables (41) is greater than the installation distance between the rear cables (42) and the rear cables (42).
4. The prestressed stay cable reinforced spatial structure according to claim 3, wherein a plurality of ear plates (5) are respectively provided on the radial main beam (2) and the auxiliary upright column (3), through holes (51) are provided on the ear plates (5), and the stay cable (4) penetrates through the through holes (51).
5. The prestressed stay cable reinforced spatial structure according to claim 4, wherein a pull rod (6) is arranged below the radial main beam (2), one end of the pull rod (6) is fixedly connected with the short cantilever span end (22), the other end of the pull rod (6) is embedded into the ground (9), and the load of the stay cable (4) is transmitted to the ground (9) through the pull rod (6).
6. The prestressed stay cable reinforced space structure according to claim 5, wherein the radial main beam (2) is further connected with a plurality of connecting beams (7) and a plurality of inclined struts (8), and the radial main beam (2) is intersected with the connecting beams (7) and the inclined struts (8) to form a grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222258997.3U CN218233799U (en) | 2022-08-26 | 2022-08-26 | Prestressed stay cable reinforced space structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222258997.3U CN218233799U (en) | 2022-08-26 | 2022-08-26 | Prestressed stay cable reinforced space structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218233799U true CN218233799U (en) | 2023-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222258997.3U Active CN218233799U (en) | 2022-08-26 | 2022-08-26 | Prestressed stay cable reinforced space structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218233799U (en) |
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2022
- 2022-08-26 CN CN202222258997.3U patent/CN218233799U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 1908, Chengtou Xin Times Building, No. 2009, Pingshan Avenue, Liulian Community, Pingshan Street, Pingshan District, Shenzhen 518000 Patentee after: China Construction Steel Structure Co.,Ltd. Address before: No. 1908, Chengtou Core Times Building, No. 2009, Pingshan Avenue, Liulian Community, Pingshan Street, Pingshan District, Shenzhen, Guangdong 518118 Patentee before: China Construction Steel Engineering Co.,Ltd. |
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| CP03 | Change of name, title or address |