CN208668249U - A kind of connecting structure of prefabricated bent cap and Precast Pier Columns - Google Patents
A kind of connecting structure of prefabricated bent cap and Precast Pier Columns Download PDFInfo
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- CN208668249U CN208668249U CN201821058879.5U CN201821058879U CN208668249U CN 208668249 U CN208668249 U CN 208668249U CN 201821058879 U CN201821058879 U CN 201821058879U CN 208668249 U CN208668249 U CN 208668249U
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- bent cap
- slot
- pier columns
- precast pier
- precast
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Abstract
The utility model discloses the connecting structure of a kind of prefabricated bent cap and Precast Pier Columns, including prefabricated bent cap and Precast Pier Columns, slot is poured after being provided with pier stud at the top of Precast Pier Columns, it is provided in prefabricated bent cap and pours slot with being poured after slot is coaxial and the bent cap that communicates after pier stud, slot is poured after bent cap to penetrate through to the top surface of precast beam, is poured to pour after slot and bent cap after pier stud and has been poured concrete in slot；Several vertical prestressed thick reinforcements are provided in Precast Pier Columns, the bottom end of prestressed thick reinforcement is located in Precast Pier Columns, top passes through prefabricated bent cap, and the top of prestressed thick reinforcement carries out sealing off and covering anchorage using sealing off and covering anchorage block.The prefabricated bent cap of the utility model and the installation accuracy of the connecting structure of Precast Pier Columns are high, high-efficient, connection reliability is high, and the occupancy hanging device time is short, influence on urban landscape small.
Description
Technical field
The utility model relates to the technical fields that builds a bridge, more particularly to the connection of a kind of prefabricated bent cap and Precast Pier Columns
Construction.
Background technique
Precast Pier Columns and prefabricated bent cap are structures common in packaged type bridges, in the prior art Precast Pier Columns and preform lid
Generally using insertion slot type connection or the connection of wet seam between beam, but the construction of both connecting structure is required to take at the construction field (site)
Bracket is built, and is needed using template, setting support and independent formwork erection are required to not only apply using hanging device for a long time at the scene
It is long between working hour, construction procedure is complicated, installation accuracy is low, can also seriously affect urban landscape.
Utility model content
The purpose of the utility model is to provide the connecting structure of a kind of prefabricated bent cap and Precast Pier Columns, above-mentioned existing to solve
Technology there are the problem of, improve the installation accuracy and construction efficiency between prefabricated bent cap and Precast Pier Columns, and avoid Precast Pier Columns
Urban landscape is influenced with the connection construction of prefabricated bent cap.
To achieve the above object, the utility model provides following scheme: the utility model provide a kind of prefabricated bent cap with
The connecting structure of Precast Pier Columns, including prefabricated bent cap and Precast Pier Columns pour slot after being provided with pier stud at the top of the Precast Pier Columns,
It is provided in the prefabricated bent cap and pours slot with being poured after slot is coaxial and the bent cap that communicates after the pier stud, slot perforation is poured after the bent cap
To the top surface of the precast beam, pours after the pier stud to pour after slot and the bent cap and poured concrete in slot；The Precast Pier Columns
In be provided with several vertical prestressed thick reinforcements, the bottom end of the prestressed thick reinforcement is located in the Precast Pier Columns, pushes up
End is across the prefabricated bent cap, and the top of the prestressed thick reinforcement carries out sealing off and covering anchorage using sealing off and covering anchorage block.
Preferably, poured after the bent cap pour after slot and the bridge pier be provided in slot several vertical connection reinforcing bars with
And stirrup that reinforcing bar is linked, horizontal is connected with described.
Preferably, the prestressed thick reinforcement is uniformly arranged along the circumferential direction of the Precast Pier Columns.
Preferably, the prestressed thick reinforcement is four.
Preferably, the Precast Pier Columns are cylinder pier or rectangle pier.
Preferably, the cross sectional shape that slot is poured after the pier stud is identical as the cross sectional shape of the Precast Pier Columns.
Preferably, the section that slot is poured after the bent cap is rectangle.
Preferably, the prestressed thick reinforcement is located at different from the Precast Pier Columns for pouring slot after the bridge pier.
Preferably, the lid for being additionally provided with bent cap stress main reinforcement on the prefabricated bent cap and being coupled with the bent cap stress main reinforcement
Beam stirrup.
The utility model also provides a kind of construction method of the connecting structure of prefabricated bent cap and Precast Pier Columns, including following step
It is rapid:
(1) construction bridges pile foundation and cushion cap；
(2) above-mentioned prefabricated bent cap and Precast Pier Columns are manufactured in factory: is reserved in prefabricated bent cap and pours slot and pre- after bent cap
Prestressed thick reinforcement pipeline is buried, bent cap stress main reinforcement and bent cap stirrup are arranged in prefabricated bent cap；It is pre- at the top of prefabricated pier top
Slot and pre-buried connection reinforcing bar, stirrup, prestressed thick reinforcement fixing end, prestressed thick reinforcement and prestressing force crude steel are poured after reserving pier stud
Muscle pipeline；
(3) by prefabricated bent cap and Precast Pier Columns transportation warrant construction site, and Precast Pier Columns are lifted, makes Precast Pier Columns and holds
Platform connection；
(4) high-strength mortar is smeared on the pier top annular surface of Precast Pier Columns；
(5) hoisting prefabricated bent cap: the prestressed thick reinforcement pipeline on prefabricated bent cap is made to be directed at the prestressing force in Precast Pier Columns
Prestressed thick reinforcement stretching end, stretch-draw prestressing force bar reinforcement sealing off and covering anchorage is arranged in bar reinforcement at the top of bent cap；
(6) slot is poured after pouring slot and bent cap after pouring pier stud with ungauged regions pea gravel concreten, and is conserved.
The prefabricated bent cap of the utility model and the connecting structure of Precast Pier Columns achieve following technology effect compared with the existing technology
Fruit:
The principle of the prefabricated bent cap of the utility model and the connecting structure of Precast Pier Columns is simple, connection reliability is high, without single
Only setting support and formwork erection, occupy that the hanging device time is short, and installation accuracy is high, high-efficient, especially suitable for landscape require compared with
High city packaged type bridges.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without any creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the connecting structure of the prefabricated bent cap of the utility model and Precast Pier Columns；
Fig. 2 is the structural schematic diagram of prefabricated bent cap in the prefabricated bent cap of the utility model and the connecting structure of Precast Pier Columns；
Fig. 3 is the structural schematic diagram of Precast Pier Columns in the prefabricated bent cap of the utility model and the connecting structure of Precast Pier Columns；
Wherein, 1- prefabricated bent cap pours slot, 3- bent cap stress main reinforcement, 4- bent cap stirrup, 5- Precast Pier Columns, 6- after 2- bent cap
Slot, 7- high-strength mortar, 8- prestressed thick reinforcement, 9- prestressed thick reinforcement fixing end, 10- prestressed thick reinforcement tensioning are poured after pier stud
End, 11- connection reinforcing bar, 12- stirrup, 13- sealing off and covering anchorage block.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The purpose of the utility model is to provide the connecting structure of a kind of prefabricated bent cap and Precast Pier Columns, to solve the prior art
There are the problem of, improve the installation accuracy and construction efficiency between prefabricated bent cap and Precast Pier Columns, and avoid Precast Pier Columns and pre-
The connection construction of bent cap processed influences urban landscape.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
As shown in Figure 1-3, the prefabricated bent cap of the present embodiment and the connecting structure of Precast Pier Columns include prefabricated bent cap 1 and prefabricated pier
Column 5, there are four vertical prestressed thick reinforcements 8 for setting in Precast Pier Columns 5, and four prestressed thick reinforcements 8 are after different from pier stud
The ring portion for pouring the Precast Pier Columns 5 of slot 6 is circumferentially uniformly distributed, and the wall thickness of the annulated column at 5 top of Precast Pier Columns is 25cm~30cm；It answers in advance
The bottom end of power bar reinforcement 8 is located in Precast Pier Columns 5, top passes through prefabricated bent cap 1, corresponds to prestressed thick reinforcement 8 in Precast Pier Columns 5
Bottom end be provided with fixing end 9, to fix prestressed thick reinforcement 8, prefabricated bent cap 1 is located at the top of Precast Pier Columns 5, prefabricated bent cap
The top that 1 top corresponds to prestressed thick reinforcement 8 is provided with prestressed thick reinforcement stretching end 10, and the top of prestressed thick reinforcement 8
End carries out sealing off and covering anchorage using sealing off and covering anchorage block 13.
The bent cap stirrup 4 for being provided with bent cap stress main reinforcement 3 on prefabricated bent cap 1 and being coupled with bent cap stress main reinforcement 3, bent cap by
Advocate muscle 3 and bent cap stirrup 4 is poured after and is not truncated at the range of slot, the horizontal layout of bent cap stress main reinforcement 3 and bent cap stirrup 4 is answered
Avoid connection reinforcing bar 11 and prestressed thick reinforcement 8.Slot 6 is poured after being provided with pier stud in the top of Precast Pier Columns 5, sets in prefabricated bent cap 1
It is equipped with and pours slot 2 with being poured after slot 6 is coaxial and the bent cap that communicates after pier stud, the perforation of slot 2 is poured after bent cap to the top surface of precast beam, after pier stud
It pours to pour after slot 6 and bent cap and has poured concrete in slot 2, the sectional dimension that slot 6 is poured after pier stud should be less than the section ruler of Precast Pier Columns 5
It is very little；Poured after bent cap pour after slot 2 and bridge pier be provided in slot several vertical connection reinforcing bars 11 and with connect 11 phase of reinforcing bar
Stirrup 12 be coupled, horizontal, the extension elongation of connection reinforcing bar 11 should meet anchorage length requirement, and stirrup 12 should be in connection reinforcing bar
Arrangement in 11 length range.
It should be noted that the cross sectional shape that slot 6 is poured after pier stud is identical as the cross sectional shape of Precast Pier Columns 5, Precast Pier Columns 5
For cylinder pier or rectangle pier, Precast Pier Columns 5 are cylinder pier in the present embodiment, and the cross sectional shape of slot 6 is poured after pier stud as circle, is covered
The section that slot 2 is poured after beam is rectangle.
The present embodiment also provides a kind of construction method of the connecting structure of prefabricated bent cap and Precast Pier Columns, including following step
It is rapid:
(1) construction bridges pile foundation and cushion cap；
(2) above-mentioned prefabricated bent cap 1 and Precast Pier Columns 5 are manufactured in factory: pours slot 2 after reserving bent cap in prefabricated bent cap 1
And pre-buried 8 pipeline of prestressed thick reinforcement, bent cap stress main reinforcement 3 and bent cap stirrup 4 are arranged in prefabricated bent cap 1；In prefabricated pier top
Top reserve pier stud after pour slot 6 and pre-buried connection reinforcing bar 11, stirrup 12, prestressed thick reinforcement fixing end 9, prestressing force crude steel
8 pipeline of muscle 8 and prestressed thick reinforcement；
(3) by 5 transportation warrant construction site of prefabricated bent cap 1 and Precast Pier Columns, and Precast Pier Columns 5 are lifted, makes Precast Pier Columns 5
It is connect with cushion cap, is necessary to ensure that the verticality of Precast Pier Columns 5 meets construction requirement in the construction process；
(4) high-strength mortar 7 is smeared on the pier top annular surface of Precast Pier Columns 5；
(5) hoisting prefabricated bent cap 1: it is directed at 8 pipeline of prestressed thick reinforcement on prefabricated bent cap 1 pre- in Precast Pier Columns 5
Prestressed thick reinforcement stretching end 10,8 sealing off and covering anchorage of stretch-draw prestressing force bar reinforcement is arranged in stress bar reinforcement 8 at the top of bent cap；
(6) slot 2 is poured after pouring slot 6 and bent cap after pouring pier stud with ungauged regions pea gravel concreten, and is conserved, maintenance is completed
Being reliably connected for prefabricated bent cap 1 and Precast Pier Columns 5 is formed afterwards.
In the description of the present invention, it should be noted that the instructions such as term "top", "bottom", "vertical", "horizontal"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
Specific case is applied in the utility model to be expounded the principles of the present invention and embodiment, it is above
The explanation of embodiment is merely used to help understand the method and its core concept of the utility model；Meanwhile for the one of this field
As technical staff, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.To sum up
Described, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. a kind of connecting structure of prefabricated bent cap and Precast Pier Columns, it is characterised in that: described including prefabricated bent cap and Precast Pier Columns
Slot is poured after being provided with pier stud at the top of Precast Pier Columns, is provided in the prefabricated bent cap and to pour slot after the pier stud coaxial and communicate
Bent cap after pour slot, slot is poured after the bent cap and is penetrated through to the top surface of the prefabricated bent cap, pours slot and the bent cap after the pier stud
After pour and poured concrete in slot；Several vertical prestressed thick reinforcements, the prestressing force are provided in the Precast Pier Columns
The bottom end of bar reinforcement is located in the Precast Pier Columns, top passes through the prefabricated bent cap, and the top of the prestressed thick reinforcement
Sealing off and covering anchorage is carried out using sealing off and covering anchorage block.
2. the connecting structure of prefabricated bent cap and Precast Pier Columns according to claim 1, it is characterised in that: poured after the bent cap
It is poured after slot and the pier stud and is provided with several vertical connection reinforcing bars in slot and connects reinforcing bar is linked, water with described
Flat stirrup.
3. the connecting structure of prefabricated bent cap and Precast Pier Columns according to claim 1, it is characterised in that: the prestressing force is thick
Reinforcing bar is uniformly arranged along the circumferential direction of the Precast Pier Columns.
4. the connecting structure of prefabricated bent cap and Precast Pier Columns according to claim 3, it is characterised in that: the prestressing force is thick
Reinforcing bar is four.
5. the connecting structure of prefabricated bent cap and Precast Pier Columns according to claim 1, it is characterised in that: the Precast Pier Columns
For cylinder pier or rectangle pier.
6. the connecting structure of prefabricated bent cap and Precast Pier Columns according to claim 5, it is characterised in that: poured after the pier stud
The cross sectional shape of slot is identical as the cross sectional shape of the Precast Pier Columns.
7. the connecting structure of prefabricated bent cap and Precast Pier Columns according to claim 1, it is characterised in that: poured after the bent cap
The section of slot is rectangle.
8. the connecting structure of prefabricated bent cap and Precast Pier Columns according to claim 1, it is characterised in that: the prestressing force is thick
Reinforcing bar is located at different from the Precast Pier Columns for pouring slot after the pier stud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821058879.5U CN208668249U (en) | 2018-07-04 | 2018-07-04 | A kind of connecting structure of prefabricated bent cap and Precast Pier Columns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821058879.5U CN208668249U (en) | 2018-07-04 | 2018-07-04 | A kind of connecting structure of prefabricated bent cap and Precast Pier Columns |
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| Publication Number | Publication Date |
|---|---|
| CN208668249U true CN208668249U (en) | 2019-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821058879.5U Active CN208668249U (en) | 2018-07-04 | 2018-07-04 | A kind of connecting structure of prefabricated bent cap and Precast Pier Columns |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108532445A (en) * | 2018-07-04 | 2018-09-14 | 深圳市市政设计研究院有限公司 | A kind of connecting structure and its construction method of prefabricated bent cap and Precast Pier Columns |
| CN110004821A (en) * | 2019-05-23 | 2019-07-12 | 福州大学 | A kind of precast pier connection structure and its construction method |
-
2018
- 2018-07-04 CN CN201821058879.5U patent/CN208668249U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108532445A (en) * | 2018-07-04 | 2018-09-14 | 深圳市市政设计研究院有限公司 | A kind of connecting structure and its construction method of prefabricated bent cap and Precast Pier Columns |
| CN110004821A (en) * | 2019-05-23 | 2019-07-12 | 福州大学 | A kind of precast pier connection structure and its construction method |
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