CN210122826U - Jacking formula carbon cloth reinforced structure - Google Patents
Jacking formula carbon cloth reinforced structure Download PDFInfo
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- CN210122826U CN210122826U CN201920780479.3U CN201920780479U CN210122826U CN 210122826 U CN210122826 U CN 210122826U CN 201920780479 U CN201920780479 U CN 201920780479U CN 210122826 U CN210122826 U CN 210122826U
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Abstract
The utility model discloses a jacking formula carbon cloth reinforced structure, include: structural framework, the jacking body, carbon cloth and displacement detection device, wherein, structural framework includes the frame post and by the frame roof beam of frame post support, the jacking body is a plurality ofly, and the interval sets up in the below of frame roof beam for establish prestressing force to the frame roof beam, every jacking body all includes from top to bottom fixed connection's shaped steel roof beam, jack and steel shotcrete in proper order, displacement detection device is fixed in the bottom of frame roof beam for the displacement of striding of monitoring the frame roof beam, carbon cloth pastes in the bottom and the lateral wall of frame roof beam through the glue film. This jacking formula carbon cloth reinforced structure, the construction speed is fast, and the displacement of striding through the real-time monitoring of displacement detection device can play accurate guide effect to the displacement of jack, and then establishes to the frame roof beam and predetermines prestressing force, finally realizes carbon cloth and structural frame's collaborative work.
Description
Technical Field
The utility model relates to a structural reinforcement technical field provides a jacking formula carbon cloth reinforced structure very much.
Background
The traditional structure reinforcing method comprises a section enlarging method, a carbon fiber cloth reinforcing method and the like, wherein the carbon fiber cloth is light, high in strength and easy to construct and is widely applied to structure reinforcing. However, since the stress distribution of the original structure is completed before reinforcement, the newly added structure is difficult to bear the existing load, and the reinforced structure belongs to a secondary stress structure. In general, in a structure reinforced by carbon fiber cloth, in a secondary loading stress process, stress and strain of a newly added part always lag behind those of an original structure, so that the carbon fiber cloth cannot fully exert the characteristic of high strength.
Therefore, a novel jacking type carbon fiber cloth reinforcing structure is provided, so that the high-strength characteristic of the carbon fiber cloth is fully exerted, the cooperative work of the carbon fiber cloth and the existing structure is realized, and the problem to be solved is urgently solved.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a jacking formula carbon cloth reinforced structure to solve the unable problem that realizes carbon cloth and existing structure collaborative work of current carbon cloth reinforcing method.
The utility model provides a technical scheme is: jacking formula carbon cloth reinforced structure includes: the structure comprises a structure frame, a plurality of jacking bodies, carbon fiber cloth and a displacement detection device, wherein the structure frame comprises a frame column and a frame beam supported by the frame column, the jacking bodies are arranged below the frame beam at intervals, used for building prestress on the frame beam, each jacking body comprises a section steel beam, a jack and a steel support which are fixedly connected from top to bottom in sequence, the steel support is used for supporting a jack, the jack is used for pushing the section steel beam, the displacement detection device is fixed at the bottom of the frame beam, used for monitoring the midspan displacement of the frame beam, the carbon fiber cloth is adhered to the bottom and the side wall of the frame beam through a glue layer, wherein the carbon fiber cloth is adhered to the bottom and the side wall of the frame beam when the prestress applied to the frame beam by the jacking body reaches a preset value, the prestress applied to the frame beam by the jacking body is obtained by calculating the midspan displacement detected by the displacement detection device.
Preferably, the jacking bodies are uniformly distributed below the frame beam.
Preferably, the section of the section steel beam is in an I shape.
Preferably, the jack is a 150-ton hydraulic jack, and the section of the steel support is in an open rectangle shape.
Preferably, the section steel beam is fixedly connected with the jack through a high-strength bolt.
More preferably, the carbon fiber cloth is 0.167mm (300g) carbon fiber cloth.
Further preferably, the thickness of the glue layer is less than 0.5mm, and the elastic modulus is more than 150 GPa.
Further preferably, the displacement detecting device is a micrometer or a displacement sensor.
More preferably, the displacement detecting means has an accuracy of 0.01 mm.
The utility model provides a jacking formula carbon cloth reinforced structure can consolidate the structural framework through the jacking body and carbon cloth, wherein, carries out reinforced (rfd) process as follows to the structural framework: the span displacement change of the frame beam is monitored in real time through a displacement detection device fixedly arranged at the bottom of the frame beam, and then the displacement control of a jack is guided, so that the specified prestress is established on the frame beam, when the specified prestress is reached, carbon fiber cloth is adhered to the bottom and the side wall of the frame beam through a glue layer, the carbon fiber cloth is reinforced, when the glue layer between the carbon fiber cloth and the frame beam is completely cured, the jack is unloaded, so that the section steel beam is separated from the bottom of the frame beam, at the moment, the carbon fiber cloth bears the tensile load of the structural frame, the tensile load of the lower section of concrete of the frame beam is effectively reduced, the concrete cracking of the frame beam is avoided, wherein after the jack is unloaded, a jacking body can be moved away for jacking other structural frames, the displacement detection device monitors the span displacement change of the frame beam in real time, and in the jacking and unloading processes of the jack, can play the effect of guiding to the lift displacement of jack, this jacking formula carbon cloth reinforced structure can effectively guarantee the safe operation of secondary combination collaborative work and structure.
The utility model provides a jacking formula carbon cloth reinforced structure, the construction speed is fast, through the displacement of striding of displacement detection device real-time monitoring, can play accurate guide effect to the displacement of jack, and then establishes to the frame roof beam and predetermines prestressing force, finally realizes carbon cloth and structural framework's collaborative work.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and embodiments:
fig. 1 is the utility model provides a jacking formula carbon cloth reinforced structure's schematic structure.
Detailed Description
The invention will be further explained below with reference to specific embodiments, without limiting the invention.
As shown in fig. 1, the utility model provides a jacking formula carbon cloth reinforced structure, include: the structure comprises a structure frame, a plurality of jacking bodies, carbon fiber cloth 3 and a displacement detection device 4, wherein the structure frame comprises a frame column 11 and a frame beam 12 supported by the frame column 11, the jacking bodies are arranged below the frame beam 12 at intervals and used for establishing prestress on the frame beam 12, each jacking body comprises a section steel beam 21, a jack 22 and a steel support 23 which are sequentially and fixedly connected from top to bottom, the steel supports 23 are used for supporting the jacks 22, the jacks 22 are used for pushing the section steel beams 21, the displacement detection device 4 is fixed at the bottom of the frame beam 12 and used for monitoring midspan displacement of the frame beam 12, the carbon fiber cloth 3 is adhered to the bottom and the side wall of the frame beam 12 through a glue layer, wherein the carbon fiber cloth 3 is adhered to the bottom and the side wall of the frame beam 12 when the prestress applied to the frame beam 12 by the jacking bodies reaches a preset value, the prestress applied to the frame beam 12 by the jacking body is obtained by calculating the midspan displacement detected by the displacement detection device 4, wherein the calculation method can be realized by adopting the existing method.
This jacking formula carbon cloth reinforced structure can consolidate the structural framework through the jacking body and carbon cloth, and wherein, carries out reinforced (rfd) process as follows to the structural framework: the span displacement change of the frame beam is monitored in real time through a displacement detection device fixedly arranged at the bottom of the frame beam, and then the displacement control of a jack is guided, so that the specified prestress is established on the frame beam, when the specified prestress is reached, carbon fiber cloth is adhered to the bottom and the side wall of the frame beam through a glue layer, the carbon fiber cloth is reinforced, when the glue layer between the carbon fiber cloth and the frame beam is completely cured, the jack is unloaded, so that the section steel beam is separated from the bottom of the frame beam, at the moment, the carbon fiber cloth bears the tensile load of the structural frame, the tensile load of the lower section of concrete of the frame beam is effectively reduced, the concrete cracking of the frame beam is avoided, wherein after the jack is unloaded, a jacking body can be moved away for jacking other structural frames, the displacement detection device monitors the span displacement change of the frame beam in real time, and in the jacking and unloading processes of the jack, can play the effect of guiding to the lift displacement of jack, this jacking formula carbon cloth reinforced structure can effectively guarantee the safe operation of secondary combination collaborative work and structure.
As the improvement of the technical scheme, the jacking bodies are uniformly distributed below the frame beam 12.
As the improvement of the technical scheme, the section of the section steel beam 21 is in an I shape.
As a technical improvement, the jack 22 is a 150-ton hydraulic jack, and the section of the steel support 23 is in an open rectangle shape.
As an improvement of the technical scheme, the section steel beam 21 is fixedly connected with the jack 22 through a high-strength bolt.
As the improvement of the technical proposal, the carbon fiber cloth 3 is 0.167mm (300g) carbon fiber cloth.
As an improvement of the technical scheme, the thickness of the glue layer 4 is less than 0.5mm, and the elastic modulus is more than 150 GPa.
As an improvement of the technical solution, the displacement detecting device 4 is a micrometer or a displacement sensor.
As an improvement of the technical scheme, the precision of the displacement detection device 4 is 0.01 mm.
The embodiments of the present invention are written in a progressive manner, emphasizing the differences of the various embodiments, and similar parts can be referred to each other.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (9)
1. Jacking formula carbon cloth reinforced structure, its characterized in that includes: structural framework, the jacking body, carbon cloth (3) and displacement detection device (4), wherein, structural framework includes frame post (11) and frame roof beam (12) by frame post (11) support, the jacking body is a plurality of, and the interval sets up in the below of frame roof beam (12) for to frame roof beam (12) set up prestressing force, every jacking body all includes from top to bottom fixed connection's shaped steel roof beam (21), jack (22) and steel shotcrete (23) in proper order, steel shotcrete (23) are used for supporting jack (22), jack (22) are used for promoting shaped steel roof beam (21), displacement detection device (4) are fixed in the bottom of frame roof beam (12) for monitoring frame roof beam (12) the displacement of striding in, carbon cloth (3) are pasted in the bottom and the lateral wall of frame roof beam (12) through the glue film, wherein, carbon cloth (3) are when the prestressing force that the jacking body was applyed frame roof beam (12) reaches the default in the frame roof beam (12) and paste The prestress applied by the jacking body to the frame beam (12) is obtained by calculating the midspan displacement detected by the displacement detection device (4).
2. The lift-up carbon fiber cloth reinforced structure of claim 1, wherein: the jacking bodies are uniformly distributed below the frame beam (12).
3. The lift-up carbon fiber cloth reinforced structure of claim 1, wherein: the section of the section steel beam (21) is I-shaped.
4. The lift-up carbon fiber cloth reinforced structure of claim 1, wherein: the jack (22) is a 150-ton hydraulic jack, and the section of the steel support (23) is in an open rectangle shape.
5. The lift-up carbon fiber cloth reinforced structure of claim 1, wherein: the section steel beam (21) is fixedly connected with the jack (22) through a high-strength bolt.
6. The lift-up carbon fiber cloth reinforced structure of claim 1, wherein: the carbon fiber cloth (3) is 0.167mm (300g) of carbon fiber cloth.
7. The lift-up carbon fiber cloth reinforced structure of claim 1, wherein: the thickness of the glue layer is less than 0.5mm, and the elastic modulus is more than 150 GPa.
8. The lift-up carbon fiber cloth reinforced structure of claim 1, wherein: the displacement detection device (4) is a micrometer or a displacement sensor.
9. The lift-up carbon fiber cloth reinforced structure of claim 8, wherein: the precision of the displacement detection device (4) is 0.01 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920780479.3U CN210122826U (en) | 2019-05-28 | 2019-05-28 | Jacking formula carbon cloth reinforced structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920780479.3U CN210122826U (en) | 2019-05-28 | 2019-05-28 | Jacking formula carbon cloth reinforced structure |
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| CN210122826U true CN210122826U (en) | 2020-03-03 |
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| CN201920780479.3U Active CN210122826U (en) | 2019-05-28 | 2019-05-28 | Jacking formula carbon cloth reinforced structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941454A (en) * | 2022-06-29 | 2022-08-26 | 中铁二十四局集团福建铁路建设有限公司 | Intelligent repairing equipment for frame beam damage |
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2019
- 2019-05-28 CN CN201920780479.3U patent/CN210122826U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941454A (en) * | 2022-06-29 | 2022-08-26 | 中铁二十四局集团福建铁路建设有限公司 | Intelligent repairing equipment for frame beam damage |
| CN114941454B (en) * | 2022-06-29 | 2024-01-16 | 中铁二十四局集团福建铁路建设有限公司 | Intelligent repairing equipment for frame beam damage |
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