CN204435927U - A kind of Strengthening by Steel-Packing post pre-applied force device - Google Patents
A kind of Strengthening by Steel-Packing post pre-applied force device Download PDFInfo
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- CN204435927U CN204435927U CN201420831842.7U CN201420831842U CN204435927U CN 204435927 U CN204435927 U CN 204435927U CN 201420831842 U CN201420831842 U CN 201420831842U CN 204435927 U CN204435927 U CN 204435927U
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Abstract
The utility model discloses a kind of Strengthening by Steel-Packing post pre-applied force device, belong to pre-applied force device, its structure comprises the angle steel be arranged on reinforced concrete upright column four angles, between angle steel, anchoring has hoop plate between two, angle steel and hoop plate form supporter jointly, supporter comprises supporter and lower support, upper supporter is connected by 4 lifting bodies with lower support, each lifting body comprises upper connector, lower connector and jack respectively, and upper connector is connected with lower support with upper supporter respectively by plug-in connection with lower connector.Namely the utility model has shares fractional load before secondary loading, former concrete structure stress level and strain level is impelled to reduce, reaching unloading with reinforcing synchronously carries out, and after making reinforcing, new and old part can co-operation under secondary loading, the object of deform in same pace; Its prestress application is easy, is easy to control; It is stressed that Shi Hanzhang can make strut effectively participate in, and shares pillar portion load, play the features such as consolidation effect.
Description
Technical field
The utility model relates to a kind of pre-applied force device, especially a kind of Strengthening by Steel-Packing post pre-applied force device.
Background technology
Reinforced concrete structure is a kind of structure be most widely used in whole world engineering construction, and its development and application has the history of more than 100 year.But in use, passing concrete component in time can constantly damage and aging concrete structure, and its bearing capacity, rigidity, ductility and stability constantly decline, and thus create this branch of concrete structure reinforcement in the sixties.
At present, in Practical Project, the normal reinforcement means adopted has multiple, as section-increased method, displacement method, electrothermal prestressing, increase pivot point technique, reinforced with external steel encased, steel-bonded reinforcement and sticky cloth method etc.
During wherein electrothermal prestressing is reinforced, there is a kind of pre-stressed struts reinforcing method, during reinforcing, be that the angle steel strut arranged by tilted upward by tool-type stretching screw carries out fastening, angle steel strut is compressed to column direction, angle steel strut two ends move up, thus Shi Hanzhang, column is reinforced, but compressive pre-stress is difficult to control, do not know to be applied with great prestressing force, thus limit the application of electrothermal prestressing reinforced concrete compressed member.
Utility model content
Technical assignment of the present utility model provides a kind of Strengthening by Steel-Packing post pre-applied force device for above-mentioned deficiency of the prior art, namely this kind of Strengthening by Steel-Packing post pre-applied force device has shares fractional load before secondary loading, former concrete structure stress level and strain level is impelled to reduce, reaching unloading with reinforcing synchronously carries out, after making reinforcing, new and old part can co-operation under secondary loading, the object of deform in same pace; By lifting body Shi Hanzhang, its prestress application is easy, is easy to control; It is stressed that Shi Hanzhang can make strut effectively participate in, and shares pillar portion load, plays the feature of consolidation effect.
The utility model solves the technical scheme that its technical problem adopts: it comprises the angle steel be arranged on reinforced concrete upright column four angles, between angle steel, anchoring has hoop plate between two, angle steel and hoop plate form supporter jointly, described supporter comprises two, be respectively supporter and lower support, and be separately positioned on the upper and lower of the periphery of reinforced concrete upright column, described upper supporter is connected by lifting body with lower support, described lifting body comprises 4, be separately positioned on the periphery, four faces of reinforced concrete upright column, each lifting body comprises upper connector respectively, lower connector and jack, described jack is provided with pressure meter, jack is arranged between upper connector and lower connector, and be connected with lower connector top with upper connector bottom, described upper connector is connected with lower support with upper supporter respectively with lower connector, described upper connector is identical with lower connecting-piece structure, and be vertically symmetrical arranged, described upper connector is connected with lower support with upper supporter respectively by plug-in connection with lower connector.
Described upper connector and lower connector comprise level board and hang plate respectively, and the rear end of described level board is connected with the rear end of hang plate, and described level board is horizontally disposed with, and hang plate is obliquely installed, and the angle between hang plate and level board is 30-45 degree.
Described each plug-in connection comprises inclination inserted link, horizontal inserted link and jack respectively, described inclination inserted link is arranged on the front center of hang plate, horizontal inserted link comprises two and is symmetricly set on the both sides, front end of level board, with the upper supporter bottom of inclination inserted link and horizontal inserted link corresponding position and lower support top hoop plate on be correspondingly respectively provided with jack, inclination inserted link and horizontal inserted link insert in jack corresponding separately respectively.
Reinforced concrete upright column between described supporter and beam slab is provided with power transmission angle steel, between described power transmission angle steel and supporter, is provided with gripper shoe.
A kind of Strengthening by Steel-Packing post pre-applied force device of the present utility model compared to the prior art, there is following outstanding beneficial effect: before reinforced concrete upright column secondary loading, namely share fractional load, former concrete structure stress level and strain level is impelled to reduce, reaching unloading with reinforcing synchronously carries out, after making reinforcing, new and old part can co-operation under secondary loading, the object of deform in same pace; By lifting body Shi Hanzhang, its prestress application is easy, is easy to control; It is stressed that Shi Hanzhang can make strut effectively participate in, and shares pillar portion load, play consolidation effect; And the feature such as lifting body is connected by plug-in connection with lower support with upper supporter, and dismounting is quick and convenient.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of main TV structure schematic diagram of Strengthening by Steel-Packing post pre-applied force device;
Accompanying drawing 2 is the A-A sectional views shown in Fig. 1;
Accompanying drawing 3 is main TV structure schematic diagrames of lifting body;
Accompanying drawing 4 is left TV structure schematic diagrames of lifting body;
Accompanying drawing 5 is the structural representations after a kind of Strengthening by Steel-Packing post pre-applied force device has applied prestressing force;
Description of reference numerals: 1, reinforced concrete upright column, 2, angle steel, 3, hoop plate, 4, supporter, 41, upper supporter, 42, lower support, 5, lifting body, 51, upper connector, 52, lower connector, 501, level board, 502, hang plate, 53, jack, 54, pressure meter, 55, plug-in connection, 551, inclination inserted link, 552, horizontal inserted link, 553, jack, 6, beam slab, 7, power transmission angle steel, 8, gripper shoe, 9, reinforcing angle.
Detailed description of the invention
With reference to Figure of description 1 to accompanying drawing 5, a kind of Strengthening by Steel-Packing post pre-applied force device of the present utility model is described in detail below.
A kind of Strengthening by Steel-Packing post pre-applied force device of the present utility model, its structure comprises the angle steel 2 be arranged on reinforced concrete upright column 1 four angles, between angle steel 2, anchoring has hoop plate 3 between two, angle steel 2 and hoop plate 3 composition supporter 4 jointly, described supporter 4 comprises two, be respectively supporter 41 and lower support 42, and be separately positioned on the upper and lower of the periphery of reinforced concrete upright column 1, described upper supporter 41 is connected by lifting body 5 with lower support 42, described lifting body 5 comprises 4, be separately positioned on the periphery, four faces of reinforced concrete upright column 1, each lifting body 5 comprises upper connector 51 respectively, lower connector 52 and jack 53, described jack 53 is provided with pressure meter 54, the prestressing force applied is controlled, jack 53 is arranged between upper connector 51 and lower connector 52, and be connected with lower connector 52 top with upper connector 51 bottom, described upper connector 51 is connected with lower support 42 with upper supporter 41 respectively with lower connector 52, described upper connector 51 is identical with lower connector 52 structure, and be vertically symmetrical arranged, described upper connector 51 is connected with lower support 42 with upper supporter 41 respectively by plug-in connection 55 with lower connector 52.
Described upper connector 51 and lower connector 52 comprise level board 501 and hang plate 502 respectively, the rear end of described level board 501 is connected with the rear end of hang plate 502, described level board 501 is horizontally disposed with, hang plate 502 is obliquely installed, and the angle between hang plate 502 and level board 501 is 45 degree.
Described each plug-in connection 55 comprises inclination inserted link 551, horizontal inserted link 552 and jack 553 respectively, described inclination inserted link 551 is arranged on the front center of hang plate 502, horizontal inserted link 552 comprises two and is symmetricly set on the both sides, front end of level board 501, with upper supporter 41 bottom of inclination inserted link 551 and horizontal inserted link 552 corresponding position and lower support 42 top hoop plate 3 on be correspondingly respectively provided with jack 553, inclination inserted link 551 and horizontal inserted link 552 insert in jack 553 corresponding separately respectively.
Reinforced concrete upright column 1 between described supporter 4 and beam slab 6 is provided with power transmission angle steel 7, between described power transmission angle steel 7 and supporter 4, is provided with gripper shoe 8.Be provided with gripper shoe 8 and power transmission angle steel 7 between supporter 4 and beam slab 6, increase the contact area of supporter 4 and beam slab 6.
When reinforcing reinforced concrete upright column 1, respectively upper supporter 41 and lower support 42 are placed in reinforced concrete upright column 1 upper and lower, then 4 lifting bodies 5 are placed in respectively four faces of reinforced concrete upright column 1, and be connected with lower support 42 with upper supporter 41 respectively by plug-in connection 55, insert in corresponding jack 553 respectively by the hang plate 502 of lifting body 5 and the inclination inserted link 551 of level board 501 front end and horizontal inserted link 552; Then jack 53 is started, the power applied by jack 53 reaches supporter 4, gripper shoe 8 and power transmission angle steel 7 by upper connector 51 and lower connector 52, by jack 53 Shi Hanzhang, reinforced concrete upright column 1 is reinforced, when making prestressing force reach setting value by jack 53, insert reinforcing angle 9 by between upper supporter 41 and lower support 42, then lifting body 5 is removed respectively from upper connector 51 and lower connector 52.
Except the technical characteristic described in manual, be the known technology of those skilled in the art.
Claims (4)
1. a Strengthening by Steel-Packing post pre-applied force device, comprise the angle steel be arranged on reinforced concrete upright column four angles, between angle steel, anchoring has hoop plate between two, angle steel and hoop plate form supporter jointly, it is characterized in that: described supporter comprises two, be respectively supporter and lower support, and be separately positioned on the upper and lower of the periphery of reinforced concrete upright column, described upper supporter is connected by lifting body with lower support, described lifting body comprises 4, be separately positioned on the periphery, four faces of reinforced concrete upright column, each lifting body comprises upper connector respectively, lower connector and jack, described jack is provided with pressure meter, jack is arranged between upper connector and lower connector, and be connected with lower connector top with upper connector bottom, described upper connector is connected with lower support with upper supporter respectively with lower connector, described upper connector is identical with lower connecting-piece structure, and be vertically symmetrical arranged, described upper connector is connected with lower support with upper supporter respectively by plug-in connection with lower connector.
2. a kind of Strengthening by Steel-Packing post pre-applied force device according to claim 1, it is characterized in that: described upper connector and lower connector comprise level board and hang plate respectively, the rear end of described level board is connected with the rear end of hang plate, described level board is horizontally disposed with, hang plate is obliquely installed, and the angle between hang plate and level board is 30-45 degree.
3. a kind of Strengthening by Steel-Packing post pre-applied force device according to claim 2, it is characterized in that: described each plug-in connection comprises inclination inserted link, horizontal inserted link and jack respectively, described inclination inserted link is arranged on the front center of hang plate, horizontal inserted link comprises two and is symmetricly set on the both sides, front end of level board, with the upper supporter bottom of inclination inserted link and horizontal inserted link corresponding position and lower support top hoop plate on be correspondingly respectively provided with jack, inclination inserted link and horizontal inserted link insert in jack corresponding separately respectively.
4. a kind of Strengthening by Steel-Packing post pre-applied force device according to claim 1, is characterized in that: the reinforced concrete upright column between described supporter and beam slab is provided with power transmission angle steel, is provided with gripper shoe between described power transmission angle steel and supporter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420831842.7U CN204435927U (en) | 2014-12-24 | 2014-12-24 | A kind of Strengthening by Steel-Packing post pre-applied force device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420831842.7U CN204435927U (en) | 2014-12-24 | 2014-12-24 | A kind of Strengthening by Steel-Packing post pre-applied force device |
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| Publication Number | Publication Date |
|---|---|
| CN204435927U true CN204435927U (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420831842.7U Withdrawn - After Issue CN204435927U (en) | 2014-12-24 | 2014-12-24 | A kind of Strengthening by Steel-Packing post pre-applied force device |
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| Country | Link |
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| CN (1) | CN204435927U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533105A (en) * | 2014-12-24 | 2015-04-22 | 宋双阳 | Steel-encased reinforcing column pre-tension device |
| CN109944174A (en) * | 2019-04-30 | 2019-06-28 | 厦门合诚工程技术有限公司 | A kind of bridge maintaining reinforcing operating device |
| CN109958229A (en) * | 2019-02-24 | 2019-07-02 | 郑秀平 | A kind of Covered with Angles-beams of concrete or column and its construction method |
-
2014
- 2014-12-24 CN CN201420831842.7U patent/CN204435927U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533105A (en) * | 2014-12-24 | 2015-04-22 | 宋双阳 | Steel-encased reinforcing column pre-tension device |
| CN109958229A (en) * | 2019-02-24 | 2019-07-02 | 郑秀平 | A kind of Covered with Angles-beams of concrete or column and its construction method |
| CN109958229B (en) * | 2019-02-24 | 2021-04-20 | 萍乡市景华建筑有限公司 | Steel-concrete beam or column wrapped outside and construction method thereof |
| CN109944174A (en) * | 2019-04-30 | 2019-06-28 | 厦门合诚工程技术有限公司 | A kind of bridge maintaining reinforcing operating device |
| CN109944174B (en) * | 2019-04-30 | 2020-07-17 | 厦门合诚工程技术有限公司 | Bridge maintenance is with consolidating operating means |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150701 Effective date of abandoning: 20160420 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |