CN210658887U - Novel prestressed arch corrugated steel roof system for enhancing bearing capacity through inhaul cables and rigid supporting rods - Google Patents
Novel prestressed arch corrugated steel roof system for enhancing bearing capacity through inhaul cables and rigid supporting rods Download PDFInfo
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- CN210658887U CN210658887U CN201920770419.3U CN201920770419U CN210658887U CN 210658887 U CN210658887 U CN 210658887U CN 201920770419 U CN201920770419 U CN 201920770419U CN 210658887 U CN210658887 U CN 210658887U
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- corrugated steel
- steel roof
- bearing capacity
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- roof
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Abstract
The utility model provides a novel prestressing force arch corrugated steel roof system through cable, rigidity branch reinforcing bearing capacity, includes longeron 7 on stand 8, stand top, the arch corrugated steel roof 1 of sitting on longeron 7, characterized by: a horizontal lower stay cable 3 is arranged between the upright posts 8 at the two sides, an upper stay cable 2 connected with the arch springing is arranged at the upper part of the arched steel roof, and a rigid strut 4 is arranged between the lower stay cable 3 and the arched corrugated steel roof 1. The utility model discloses not only can improve the bearing capacity under snow load, can improve the bearing capacity under wind load moreover, perhaps increase the span of roof under equal bearing capacity to be favorable to reducing substructure's component cross-section, gain better economic benefits.
Description
Technical Field
The utility model relates to an arch corrugated steel roof structure, the arch corrugated steel roof through cable and rigidity branch reinforcing bearing capacity specifically says so.
Background
The arched corrugated steel roof structure is formed by pressing a color-coated plate into an arched steel channel plate with corrugated corrugations by using a special forming unit, is connected by locking seams and installed in place to form the roof structure, is introduced into China at the end of the eighties of the last century, has the advantages of good internal space, good waterproof effect, high construction speed and the like, and is widely applied to buildings requiring open spaces, such as plants, warehouses, stadiums, trade markets, military facilities and the like.
Since the application, the arch corrugated steel roof structure has many collapse accidents, one is that the snow load greatly exceeds the bearing capacity of the roof, and the other is that the wind load greatly exceeds the bearing capacity of the roof, so how to improve the bearing capacity of the structure is a problem to be solved by technical personnel; in addition, the roof is frequently required to be applied to a structure with larger span, and how to meet the load requirement under the condition of large span is a problem which needs to be solved.
Technical solutions are proposed by technicians to improve the bearing capacity of roofs, but these solutions usually only pay attention to the influence of snow load, ignore the influence of wind load and are also the main cause of collapse accidents, and in addition, these solutions usually ignore the combined action of roofs and understructures, and cause the structural member design of understructures to have a large cross section.
Disclosure of Invention
Summary of the invention
The utility model discloses prestressing force arch corrugated steel roof provides an upper portion roof, upper and lower cable, rigidity branch, substructure combined action's roof system, not only increases the bearing capacity to snow load, increases the bearing capacity to wind load moreover, and on the other hand can increase the span of roof through these measures under the equal bearing capacity, is favorable to reducing substructure's component cross-section in addition, makes structural scheme more economical and reasonable.
Technical problem to be solved and technical scheme adopted
The utility model discloses prestressing force arch corrugated steel roof system includes longeron, arch corrugated steel roof, upper portion cable, lower part cable, the rigidity branch on stand, stand top.
The lower part of the guy cable can be provided with a steel bar and a steel wire rope, and the middle part of the lower part of the guy cable is provided with a tightening device which can be a turn buckle.
The upper inhaul cable is arranged on the upper portion of the roof, a single-hole clamping piece type anchorage device is arranged at the connecting position of the end portion and the longitudinal beam and used for tensioning the upper inhaul cable, the upper inhaul cable is made of unbonded steel strands, the end portion of each steel strand is fixed on the anchorage device, and the plastic pipes on the outer sides of the steel strands are bonded to the bottom of the groove-shaped plate of the steel roof through silicone rubber.
The upper end of the rigid supporting rod is connected to the bottom of the steel roof, the lower end of the rigid supporting rod is connected to the lower inhaul cable, and the rigid supporting rod is generally made of circular steel tubes. The upper part of the rigid supporting rod is connected with the arched corrugated steel roof through a connecting plate and a bolt, and the lower part of the rigid supporting rod is connected with a lower inhaul cable through a bolt and a bolt ball.
After the installation is finished, the upper and lower inhaul cables are both applied with proper prestress.
Advantageous effects of the invention
The utility model discloses each part interact of prestressing force arch corrugated steel roof system constitution has wholly improved the bearing capacity of roof, has reduced the deformation, makes lower part beam column design more economical and reasonable.
Drawings
Fig. 1 is a schematic structural view of the cross section of the present invention.
FIG. 2 is an enlarged view of a portion of the connection A between the roof and the upper end of the rigid strut shown in FIG. 1.
FIG. 3 is an enlarged view of a portion of the lower cable of FIG. 1 at the lower end of the rigid strut B.
Fig. 4 is a partially enlarged view of the upper and lower cables of fig. 1 connected at the arch C.
In the figure: 1-arched corrugated steel roof, 2-upper bracing cable, 3-lower bracing cable, 4-rigid strut, 5-turnbuckle, 6-anchorage device, 7-longitudinal beam, 8-upright column, 9-roofing external connecting plate (rubber sheet adhered to roofing contact side), 10-roofing internal connecting plate (rubber sheet adhered to roofing contact side), 11-roofing internal and external connecting plate fastening bolt, 12-connecting plate perpendicular to roofing internal connecting plate, 13-connecting plate perpendicular to strut upper end sealing plate, 14-strut upper end sealing plate, 15-strut upper end connecting bolt, 16-strut lower end connecting bolt, 17-strut lower end sealing plate, 18-jackscrew, 19-bolt ball, 20-fastening bolt, 21-sleeve, 22-roofing arch foot connecting plate, 23-steel beam stiffening plate.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings: the prestressed arch corrugated steel roof system shown in fig. 1-4 comprises a vertical column 8, a longitudinal beam 7 at the top end of the vertical column, and an arch corrugated steel roof 1 located on the longitudinal beam 7, and is characterized in that: a horizontal lower stay cable 3 is arranged between the upright posts 8 at the two sides, an upper stay cable 2 connected with the arch springing is arranged at the upper part of the arched steel roof, and a rigid strut 4 is arranged between the lower stay cable 3 and the arched corrugated steel roof 1. The upright posts 8 and the longitudinal beams 7 are steel members.
The middle part of the lower inhaul cable 3 is provided with a turn buckle bolt 5 for tensioning the lower inhaul cable.
An anchorage device 6 is arranged at the arch springing position and is used for anchoring and tensioning the upper inhaul cable.
The connection between the rigid support rod 4 and the lower inhaul cable 3 is completed through a support rod lower end connecting bolt 16, a support rod lower end sealing plate 17, a jackscrew 18, a bolt ball 19, a fastening bolt 20 and a sleeve 21: when a sealing plate 17 at the lower end part of the support rod is welded, a tie rod lower end connecting bolt 16 is placed in the support rod, a sleeve 21 is added on the outer side of the tie rod lower end connecting bolt 16, the sleeve 21 is connected with the support rod lower end connecting bolt 16 through a jackscrew 18, the tie rod lower end connecting bolt 16 can be rotated by rotating the sleeve 21, the tie rod lower end connecting bolt 16 is screwed into a bolt hole of a bolt ball 19 to form connection, a steel wire rope 3 penetrates into a through hole in the middle of the bolt ball, and after the position is adjusted, the steel wire rope is fixed by a fastening.
Under the action of downward snow load, the lower stay cable 3 limits the horizontal displacement of the fulcrum of the arched steel roof 1, and meanwhile, the rigid strut 4 increases the fulcrum in the span direction and limits the inward deformation of the roof; under the action of upward wind load, the upper inhaul cable limits outward deformation of the roof, so that the bearing capacity of the arched corrugated steel roof under the action of snow load and wind load is improved.
Claims (5)
1. The utility model provides a novel prestressing force arch corrugated steel roof system through cable, rigidity branch reinforcing bearing capacity, includes longeron (7) on stand (8), stand top, the arch corrugated steel roof (1) of sitting on longeron (7), characterized by: a horizontal lower stay cable (3) is arranged between the upright posts (8) at the two sides, and an upper stay cable (2) connected with the arch springing is arranged at the upper part of the arched steel roof.
2. The new prestressed arch corrugated steel roof system with enhanced bearing capacity by means of guy cables and rigid struts according to claim 1, wherein: a rigid support rod (4) is arranged between the lower inhaul cable (3) and the arched corrugated steel roof (1).
3. The new prestressed arch corrugated steel roof system with enhanced bearing capacity by means of guy cables and rigid struts according to claim 1, wherein: a roof outer side connecting plate (9) and a roof inner side connecting plate (10) are arranged at the joint of the rigid supporting rod (4) and the arched corrugated steel roof (1), and rubber sheets are pasted on the contact surfaces of the connecting plates and the arched corrugated steel roof (1).
4. The new prestressed arch corrugated steel roof system with enhanced bearing capacity by means of guy cables and rigid struts according to claim 1, wherein: the connection between the rigid support rod (4) and the lower cable (3) is provided with a support rod lower end connecting bolt (16) which rotates through a sleeve (21) and a jackscrew (18), and is provided with a bolt ball (19), and the lower cable passes through a through hole of the bolt ball (19) and is fixed by a fastening bolt (20).
5. The new prestressed arch corrugated steel roof system with enhanced bearing capacity by means of guy cables and rigid struts according to claim 1, wherein: the upper inhaul cable (2) adopts an unbonded steel strand, and the end part of the steel strand is anchored by a single-hole clip type anchorage device (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920770419.3U CN210658887U (en) | 2019-05-29 | 2019-05-29 | Novel prestressed arch corrugated steel roof system for enhancing bearing capacity through inhaul cables and rigid supporting rods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920770419.3U CN210658887U (en) | 2019-05-29 | 2019-05-29 | Novel prestressed arch corrugated steel roof system for enhancing bearing capacity through inhaul cables and rigid supporting rods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210658887U true CN210658887U (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920770419.3U Expired - Fee Related CN210658887U (en) | 2019-05-29 | 2019-05-29 | Novel prestressed arch corrugated steel roof system for enhancing bearing capacity through inhaul cables and rigid supporting rods |
Country Status (1)
| Country | Link |
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| CN (1) | CN210658887U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431449A (en) * | 2020-11-26 | 2021-03-02 | 湖南鸿阳钢结构有限公司 | Large-span steel structure factory building |
-
2019
- 2019-05-29 CN CN201920770419.3U patent/CN210658887U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431449A (en) * | 2020-11-26 | 2021-03-02 | 湖南鸿阳钢结构有限公司 | Large-span steel structure factory building |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200602 Termination date: 20210529 |