CN207538323U - Reinforcement type subway prestressing force beam body - Google Patents
Reinforcement type subway prestressing force beam body Download PDFInfo
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- CN207538323U CN207538323U CN201721620372.XU CN201721620372U CN207538323U CN 207538323 U CN207538323 U CN 207538323U CN 201721620372 U CN201721620372 U CN 201721620372U CN 207538323 U CN207538323 U CN 207538323U
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- pore passage
- reinforced hole
- prestressed pore
- prestressing force
- beam body
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Abstract
The utility model discloses a kind of reinforcement type subway prestressing force beam body, wherein, reinforcement type subway prestressing force beam body includes prestressed concrete beam and prestressed pore passage；One end of the prestressed pore passage is provided with the prestressed pore passage cavity of a segment length and solid insulation protective layer；And reserved reinforced hole is provided on the prestressed pore passage cavity；Insulation reinforcing slurry is filled to the prestressed pore passage cavity inner cavity of one end of the prestressed pore passage by reserved reinforced hole can form solid insulation protective layer.Reinforcement type subway prestressing force beam body provided by the utility model, has that structure construction is simple reasonable, easily manufactured, various technical advantages such as stabilized structure is reliable, and durability is strong.
Description
Technical field
The utility model is related to subway Prestressed Concrete Bridges field of engineering technology more particularly to a kind of reinforcement type subways
Prestressing force beam body.
Background technology
At present, presstressed reinforcing steel corrosion is to cause the decline of prestressed reinforced concrete construction durability and structural life-time that cannot reach
The main reason for target.
Presstressed reinforcing steel corrosion is since presstressed reinforcing steel and the oxygen gas and water in duct and aggressive chemistry ion react
Caused by.In general, filled in the case that presstressed reinforcing steel wraps up completely by cement slurry in prestressed pore passage grouting, this
Corrosion process is very slow.But in Practical Project, due to execution conditions are poor, operation is lack of standardization etc., most of prestress hole
Road grouting cannot reach completely dense, and the presstressed reinforcing steel for having portion is directly exposed in duct, is protected without slurry.Together
When, since there are stray electrical currents in metro operation environment, infiltration of the corrosive ions to concrete structure in environment can be greatly speeded up
Effect causes the corrosion of presstressed reinforcing steel in concrete structure within a short period of time, seriously endangers subway prestressed reinforced concrete construction
Durability and safety.
For existing prestressed concrete member, existing reinforcing and method for maintaining are concentrated mainly on body structure surface, such as
The modes such as surface spraying and stickup fiber cloth, mainly for diseases such as body structure surface breakage crackings.For construction pre-stress hole
The uncompacted hidden disease of slurry inside road, can't solve very well.
In conclusion how to overcome above-mentioned technological deficiency of the prior art is that those skilled in the art are badly in need of asking for solution
Topic.
Utility model content
The purpose of this utility model is to provide a kind of reinforcement type subway prestressing force beam body, to solve the above problems.
In order to achieve the above object, the technical solution of the utility model is realized in：
The utility model additionally provides a kind of reinforcement type subway prestressing force beam body, including prestressed concrete beam 1 and runs through
The prestressed pore passage 2 of the prestressed concrete beam 1；
One end of the prestressed pore passage 2 is provided with the prestressed pore passage cavity 3 of a segment length and solid insulation protective layer
5；And reserved reinforced hole 4 is provided on the prestressed pore passage cavity 3；The reserved reinforced hole 4 is used for through the reserved of itself
Reinforced hole is filled insulation to empty 3 inner cavities of the prestressed pore passage of one end of the prestressed pore passage 2 and reinforces slurry formation institute
State solid insulation protective layer 5.
It preferably, can embodiment as one kind；It is pre- that the reserved reinforced hole 4 includes the first reserved reinforced hole 41 and second
Stay reinforced hole 42.
It preferably, can embodiment as one kind；The first reserved reinforced hole 41 and the second reserved reinforced hole 42
It is disposed on the prestressed pore passage cavity 3.
It preferably, can embodiment as one kind；The diameter dimension ranging from 8 of the first reserved reinforced hole 41~
20mm。
It preferably, can embodiment as one kind；The diameter dimension ranging from 8 of the second reserved reinforced hole 42~
20mm。
It preferably, can embodiment as one kind；The solid insulation protective layer 5 is specially epoxy resin protective layer.
Compared with prior art, it is the advantages of the utility model embodiment：
A kind of reinforcement type subway prestressing force beam body provided by the utility model, analyzes above-mentioned reinforcement type subway prestressing force beam body
Main technical content understand：
On the one hand, the utility model provides a kind of reinforcement type subway prestressing force beam body, mainly includes prestressed concrete
Native beam 1 and the prestressed pore passage 2 through the prestressed concrete beam 1；One end of the prestressed pore passage 2 is provided with one section long
The prestressed pore passage cavity 3 of degree and solid insulation protective layer 5；And reserved reinforced hole is provided on the prestressed pore passage cavity 3
4；The reserved reinforced hole 4 is used for the prestressed pore passage to one end of the prestressed pore passage 2 by the reserved reinforced hole of itself
Empty 3 inner cavities are filled insulation reinforcing slurry and form the solid insulation protective layer 5.
It will be apparent that provided by the utility model have above-mentioned reinforcement type subway prestressing force beam body, add using by reserved
Solid hole 4 reinforces slurry to the lumen loading insulation in prestressed pore passage cavity 3；Insulation reinforces slurry and forms solid insulation at normal temperatures
Protective layer 5, protection presstressed reinforcing steel improve the durability of structure from corrosion.It is provided by the utility model that there is above-mentioned reinforcement type
Subway prestressing force beam body, easily manufactured with simple structure, stabilized structure is reliable and various technologies such as durability are excellent
Gesture.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
Under the premise of labour, other attached drawings are can also be obtained according to these attached drawings.
Structural representations of the Fig. 1 for the reinforcement type subway prestressing force beam body that the utility model embodiment provides before implementing to reinforce
Figure；
Structural representations of the Fig. 2 for the reinforcement type subway prestressing force beam body that the utility model embodiment provides after implementing to reinforce
Figure.
Label：1- prestressed concrete beams；2- prestressed pore passages；3- prestressed pore passages cavity；4- reserves reinforced hole；41-
First reserved reinforced hole；42- second reserves reinforced hole；5- solid insulation protective layers.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected range.
In the description of the present invention, it should be noted that the word of the orientation of certain instructions or position relationship, only
It is that the utility model must have spy with the device or element for simplifying description rather than instruction or hint meaning for ease of description
Fixed orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In the description of the present invention, it should be noted that " connection " should be interpreted broadly, for example, it may be fixed
It connects or is detachably connected or is integrally connected；Can be mechanical connection or electrical connection；Can be direct
It is connected, can also be indirectly connected by intermediary, can be the connection inside two elements.For the ordinary skill of this field
For personnel, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
Referring to Fig. 1, Fig. 2, the utility model embodiment provides a kind of reinforcement type subway prestressing force beam body, including prestressing force
Beams of concrete 1 and the prestressed pore passage 2 through the prestressed concrete beam 1；
One end of the prestressed pore passage 2 is provided with the prestressed pore passage cavity 3 of a segment length and solid insulation protective layer
5；And reserved reinforced hole 4 is provided on the prestressed pore passage cavity 3；The reserved reinforced hole 4 is used for through the reserved of itself
Reinforced hole is filled insulation to empty 3 inner cavities of the prestressed pore passage of one end of the prestressed pore passage 2 and reinforces slurry formation institute
State solid insulation protective layer 5.
Below to the concrete structure and particular technique effect of the reinforcement type subway prestressing force beam body of the utility model body
It does and is described in detail：
It preferably, can embodiment as one kind；It is pre- that the reserved reinforced hole 4 includes the first reserved reinforced hole 41 and second
Stay reinforced hole 42.The first reserved reinforced hole 41 and the second reserved reinforced hole 42 are disposed on the prestressed pore passage
On cavity 3.
It should be noted that in the specific technical solution of the utility model, on prestressed concrete beam 1, using exhausted
Edge reinforces slurry and the cavity in the prestressed pore passage cavity 3 of the at one end of the prestressed pore passage 2 is filled；It waits to insulate
It reinforces slurry and forms solid insulation protective layer 5 at normal temperatures, the solid insulation protective layer 5 is used to protect presstressed reinforcing steel from corruption
Erosion.
Wherein, above-mentioned reserved reinforced hole 4 can be any amount, but it is selected as two in preferred technical solution
It is a.I.e. first reserved 41 and second reserved reinforced hole 42 of reinforced hole；
It preferably, can embodiment as one kind；The diameter dimension ranging from 8 of the first reserved reinforced hole 41~
20mm.Diameter dimension ranging from 8~20mm of the second reserved reinforced hole 42.
It should be noted that the size of above-mentioned reserved reinforced hole has specific design requirement；I.e. first reserved reinforced hole
41 a diameter of 8~20mm, a diameter of 8~20mm of the second reserved reinforced hole 42.
It preferably, can embodiment as one kind；The solid insulation protective layer 5 is specially epoxy resin protective layer.
It should be noted that in the specific technical solution of the utility model, it is epoxy resin that slurry is reinforced in above-mentioned insulation
Slurry.The composition material that slurry is reinforced to insulation is prepared as required, and ensure slurry can reinforcement performance.Above-mentioned technology can repair
Multiple prestressed structure includes subway prestressed reinforced concrete construction.
The utility model additionally provides the manufacturing method of reinforcement type subway prestressing force beam body, including following operating method：
Step S1, the prestressed pore passage cavity 3 of a segment length is processed in one end of prestressed pore passage 2；
Step S2, on the surface in prestressed pore passage cavity 3, processing one diameter dimension ranging from the first of 8~20mm is reserved
The ranging from the second of 8~20mm reserved reinforced hole 42 of reinforced hole 41 and a diameter dimension；
Step S3, on prestressed concrete beam 1, at one end of the slurry to the prestressed pore passage 2 is reinforced using insulation
The cavity in the prestressed pore passage cavity 3 be filled；Treat that insulation reinforces slurry and forms solid insulation protective layer at normal temperatures
Solid insulation protective layer 5, the solid insulation protective layer 5 are used to protect presstressed reinforcing steel from corrosion.
It should be noted that the utility model additionally provides the manufacturing method of reinforcement type subway prestressing force beam body, utilize
Slurry is reinforced to the lumen loading insulation in prestressed pore passage cavity 3 by reserving reinforced hole 4；Slurry shape at normal temperatures is reinforced in insulation
Into solid insulation protective layer 5, finally protect presstressed reinforcing steel from corrosion by solid insulation protective layer 5, improve the durable of structure
Property.Wherein, it should be noted that above-mentioned reserved reinforced hole 4 can be any amount, but in preferred technical solution its
It is selected as two.A diameter of 8~20mm of i.e. first reserved reinforced hole 41, a diameter of 8~20mm of the second reserved reinforced hole 42.
The reinforcement type subway prestressing force beam body that the utility model embodiment provides has the technical advantage of following aspect：
First, the reinforcement type subway prestressing force beam body that the utility model embodiment provides, structure design are more reasonable；Wherein,
Above-mentioned reinforcement type subway prestressing force beam body, the prestressed pore passage including prestressed concrete beam and through prestressed concrete beam；
One end of prestressed pore passage is provided with the prestressed pore passage cavity of a segment length；And reserved add is provided on prestressed pore passage cavity
Solid hole；Reserved reinforced hole is used to fill out the prestressed pore passage cavity inner cavity of one end of prestressed pore passage by reserved reinforced hole
It fills insulation and reinforces slurry.Very sensible heat, above-mentioned prestressed concrete beam, prestressed pore passage, prestressed pore passage cavity, reserved reinforcing
Hole, insulation reinforce slurry etc. all with original design.Therefore the reinforcement type subway prestressing force that the utility model embodiment provides
Beam body, technical construction is more reasonable, and function is more perfect.
2nd, the reinforcement type subway prestressing force beam body that the utility model embodiment provides, insulation reinforce slurry at normal temperatures
Insulation, a closely knit solid protective layer are formed, presstressed reinforcing steel is avoided to corrode under metro stray current environment, improves ground
The durability of iron prestressed structure.It can effectively repair the hidden disease in existing subway prestressed structure prestressed pore passage cavity
Evil can protect presstressed reinforcing steel from the corrosion of metro stray current using insulation reinforcement material.
3rd, the reinforcement type subway prestressing force beam body that the utility model embodiment provides, which overcome skills of the prior art
Art defect carries out epoxy resin wrapped strengthening to the presstressed reinforcing steel for losing cement slurry protection in subway prestressed structure.
At the same time, also there is simple structure, easily manufactured, various technologies such as stable structure is reliable and durability is strong are excellent
Gesture.
Based on above many significant technical advantages, reinforcement type subway prestressing force beam body provided by the utility model will
Bring good market prospects and economic benefit.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify to the technical solution recorded in foregoing embodiments either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacement, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (6)
1. a kind of reinforcement type subway prestressing force beam body, which is characterized in that including prestressed concrete beam (1) and through it is described it is pre- should
The prestressed pore passage (2) of power beams of concrete (1)；
One end of the prestressed pore passage (2) is provided with the prestressed pore passage empty (3) of a segment length and solid insulation protective layer
(5)；And reserved reinforced hole (4) is provided on the prestressed pore passage empty (3)；The reserved reinforced hole (4) for pass through from
The reserved reinforced hole of body is filled insulation to empty (3) inner cavity of the prestressed pore passage of one end of the prestressed pore passage (2) and adds
Stereoplasm body forms the solid insulation protective layer (5).
2. reinforcement type subway prestressing force beam body as described in claim 1, which is characterized in that
The reserved reinforced hole (4) includes the first reserved reinforced hole (41) and the second reserved reinforced hole (42).
3. reinforcement type subway prestressing force beam body as claimed in claim 2, which is characterized in that
It is empty that the first reserved reinforced hole (41) and the second reserved reinforced hole (42) are disposed on the prestressed pore passage
On hole (3).
4. reinforcement type subway prestressing force beam body as claimed in claim 2, which is characterized in that
Diameter dimension ranging from 8~20mm of the first reserved reinforced hole (41).
5. reinforcement type subway prestressing force beam body as claimed in claim 2, which is characterized in that
Diameter dimension ranging from 8~20mm of the second reserved reinforced hole (42).
6. reinforcement type subway prestressing force beam body as described in claim 1, which is characterized in that
The solid insulation protective layer (5) is specially epoxy resin protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721620372.XU CN207538323U (en) | 2017-11-28 | 2017-11-28 | Reinforcement type subway prestressing force beam body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721620372.XU CN207538323U (en) | 2017-11-28 | 2017-11-28 | Reinforcement type subway prestressing force beam body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207538323U true CN207538323U (en) | 2018-06-26 |
Family
ID=62615807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721620372.XU Active CN207538323U (en) | 2017-11-28 | 2017-11-28 | Reinforcement type subway prestressing force beam body |
Country Status (1)
| Country | Link |
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| CN (1) | CN207538323U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795072A (en) * | 2017-11-28 | 2018-03-13 | 北京市地铁运营有限公司地铁运营技术研发中心 | Reinforcement type subway prestressing force beam body and manufacture method |
-
2017
- 2017-11-28 CN CN201721620372.XU patent/CN207538323U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795072A (en) * | 2017-11-28 | 2018-03-13 | 北京市地铁运营有限公司地铁运营技术研发中心 | Reinforcement type subway prestressing force beam body and manufacture method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220608 Address after: 100035 No.2 Xizhimenwai street, Xicheng District, Beijing Patentee after: BEIJING SUBWAY OPERATION Corp. Address before: 100000 building 25, A5 Deshengmenwai West Street, Haidian District, Beijing Patentee before: SUBWAY OPERATION TECHNOLOGY R & D CENTER, BEIJING SUBWAY OPERATION CO.,LTD. |