CN207878263U - Half precast pier segment and bridge pier - Google Patents
Half precast pier segment and bridge pier Download PDFInfo
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- CN207878263U CN207878263U CN201721866535.2U CN201721866535U CN207878263U CN 207878263 U CN207878263 U CN 207878263U CN 201721866535 U CN201721866535 U CN 201721866535U CN 207878263 U CN207878263 U CN 207878263U
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- toroidal cavity
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Abstract
The utility model discloses a kind of half precast pier segment and bridge pier, half precast pier segments comprising：Shell comprising inner casing and shell, the inner casing and shell are fixedly connected by polylith floor, form toroidal cavity, polylith floor is along one circle of toroidal cavity circumferential direction uniform intervals setting, and the height of floor and toroidal cavity is highly consistent；Lengthways main steel bar, by the supporting rack that is set in toroidal cavity, homogeneous vertical is arranged more in toroidal cavity, and the upper and lower ends of longitudinal reinforcement protrude from outside shell；Bridge pier is formed by fixedly connecting by the lengthways main steel bar of multiple half precast piers segment.The half precast pier segment of the utility model and bridge pier can effectively solve the problems, such as bridge pier rapid construction in the case that site condition is poor.
Description
Technical field
The utility model is related to the bridge substructure technical field of construction in field of civil engineering.More specifically, originally
Utility model is related to half precast pier segment of one kind and bridge pier.
Background technology
In Short/Medium Span Bridge work progress, substructure construction duration accounting is larger.Effectively improve substructure construction
Speed is the key that shorten one of bridge integral construction duration.
Currently, Short/Medium Span Bridge pier construction method is mainly cast-in-place method and preassembly method.Cast-in-place method sets up branch
Frame, template, the then casting concrete in mould.Preassembly method is i.e. precast plant's precast pier (whole segment is segmented), so
After transport to construction site carry out segment connection, assembly.
Practice have shown that the cast-in-place method of tradition is because there is processes such as formwork, form removals, construction period is longer, and after form removal
Presentation quality is difficult to obtain guarantee.And preassembly method requires the road conditions of the crane capacity of hanging device, transportation route and
The requirement for bearing capacity in live place is higher.For this reason, it is necessary to develop a kind of bridge pier of the energy rapid construction under poor space enrironment
Structure type.
Utility model content
One purpose of the utility model is to provide half precast pier segment of one kind and bridge pier, can effectively solve site condition
In the case of poor the problem of bridge pier rapid construction.
In order to realize these purposes and other advantages according to the present utility model, a kind of half precast pier segment is provided,
Including：Shell comprising inner casing and shell, the inner casing and shell are fixedly connected by polylith floor, form toroidal cavity, more
Block floor is along one circle of toroidal cavity circumferential direction uniform intervals setting, and the height of floor and toroidal cavity is highly consistent；It is longitudinal
Main reinforcement, by the supporting rack that is set in toroidal cavity, homogeneous vertical is arranged more in toroidal cavity, and longitudinal reinforcement
Both ends protrude from outside shell.
Preferably, support frame as described above is ring-shaped stirrup, is secured across floor, ring-shaped stirrup is in the same water of toroidal cavity
Setting multi-turn in interval in plane, and uniform intervals setting is multiple in the same vertical plane of toroidal cavity, on same vertical plane
More lengthways main steel bars are fixed on multiple ring-shaped stirrups, along one circle of ring-shaped stirrup circumferential direction uniform intervals setting.
Preferably, ring-shaped stirrup is spaced two circle of setting in toroidal cavity same level, and inner ring is set close to inner casing
It sets, outer ring is arranged close to shell.
Preferably, the both ends of lengthways main steel bar are respectively and fixedly provided with integrally formed weldment, are truncated cone-shaped structure, described
The smaller bottom surface of weldment diameter overlaps fixation with the end of lengthways main steel bar, so that weldment is overlapped with the axis of lengthways main steel bar.
Preferably, it is located at the weldment of lengthways main steel bar one end, the bottom surface setting being relatively large in diameter is fluted, is located at vertical
To the weldment of main reinforcement the other end, the bottom surface being relatively large in diameter is provided with protrusion, and the height of projection is slightly larger than the groove
Depth, and the protrusion can be matched far from the front end of lengthways main steel bar with the groove just, so that the central shaft of weldment
Line overlaps.
The utility model also provides a kind of bridge pier including multiple half precast pier described in any one of the above embodiments segments, and half is pre-
The lengthways main steel bar of bridge pier segment processed is corresponded and is welded and fixed, toroidal cavity and the adjacent intersegmental space of half precast pier
Filled with concrete.
Preferably, it is fixed with multi-ring annular spacer bar on the lengthways main steel bar between adjacent half precast pier segment,
It corresponds with multi-ring annular stirrup and in same perpendicular.
The utility model includes at least following advantageous effect：
1, problem long in time limit for existing cast-in-place Bridge Pier Construction, prefabricated assembled bridge pier is high to equipment and site requirements,
The novel bridge pier structure form of the utility model, can realize rapid construction in the case where space enrironment is poor.
2, a small amount of mould need to be only set between segment when the half precast pier segment of the utility model and bridge pier are constructed at the scene
Plate greatly reduces Site Template installation.
3, all structural materials in the half precast pier segment of the utility model are UHPC, light-weight, transport and lifting
It is all convenient, while making bridge pier that there is good durability.
4, the novel bridge pier form and construction method of the utility model are, it can be achieved that few templating of live Bridge Pier Construction and fast
Speedization, cost-effective, raising construction efficiency.
Part is illustrated to embody by the further advantage, target and feature of the utility model by following, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the vertical view of half precast pier segment of the utility model；
Fig. 2 is the front view of the utility model bridge pier；
Lengthways main steel bar matched structural schematic diagrams of the Fig. 3 between the utility model adjacent half precast pier segment.
Specific implementation mode
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art with reference to explanation
Book word can be implemented according to this.
It should be noted that in the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, and is not instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the utility model.
As shown in Figures 1 to 3, the utility model provides a kind of half precast pier segment, including：Shell comprising 2 He of inner casing
Shell 1, the inner casing 2 and shell 1 are fixedly connected by polylith floor 3, form toroidal cavity, polylith floor 3 is along annular empty
One circle of chamber circumferential direction uniform intervals setting, and the height of floor 3 and toroidal cavity is highly consistent；Lengthways main steel bar 5 passes through setting
In the supporting rack in toroidal cavity, homogeneous vertical is arranged more in toroidal cavity, and the both ends of longitudinal reinforcement protrude from shell
Outside.
In the above-mentioned technical solutions, half precast pier segment includes diameter is different but the center of circle overlaps annular inner casing 2 and outer
Shell 1, the toroidal cavity between inner casing 2 and shell 1 are provided with polylith floor 3, are one for being fixedly connected with inner casing 2 and shell 1
It is whole, it is also uniformly arranged more vertical lengthways main steel bars 5 in toroidal cavity, is fixed by supporting rack, as long as supporting rack is set
It is placed in toroidal cavity and can play the role of stablizing support lengthways main steel bar 5, the upper and lower ends of lengthways main steel bar 5 protrude from
Outside shell, the convenient lengthways main steel bar 5 subsequently through protrusion is welded and fixed to reach the assembly that is fixed to each other of half precast pier segment.
In another technical solution, support frame as described above is ring-shaped stirrup 4, is secured across floor 3, ring-shaped stirrup 4 exists
Setting multi-turn in interval in toroidal cavity same level, and uniform intervals setting is multiple in the same vertical plane of toroidal cavity,
It is fixed with more lengthways main steel bars 5 on multiple ring-shaped stirrups 4 on same vertical plane, is set along the circumferential uniform intervals of ring-shaped stirrup 4
Set a circle.The supporting rack of fixed lengthways main steel bar 5 is ring-shaped stirrup 4, passes through polylith floor 3 to fix, ring-shaped stirrup 4 is in horizontal plane
Interior setting multi-turn is equivalent to the ring-shaped stirrup 4 including multiple concentrics, and ring-shaped stirrup 4 is in perpendicular along toroidal cavity
Longitudinal direction be uniformly arranged multiple, and lengthways main steel bar 5 is fixed on the ring-shaped stirrup 4 in same perpendicular, and in each circle
It is respectively provided on ring-shaped stirrup 4.
In another technical solution, ring-shaped stirrup 4 is spaced two circle of setting, and inner ring in toroidal cavity same level
It is arranged close to inner casing 2, outer ring is arranged close to shell 1.
In another technical solution, the both ends of lengthways main steel bar 5 are respectively and fixedly provided with integrally formed weldment, are round platform
Shape structure, the smaller bottom surface of the weldment diameter overlaps fixation with the end of lengthways main steel bar 5, so that weldment and lengthways main steel bar
5 axis overlaps.The matched 5 weldment end area of lengthways main steel bar in adjacent half precast pier segment is compared with 5 end of lengthways main steel bar
Area is big, and welding operation is easier and overally supports intensity bigger after the completion of welding.
In another technical solution, it is located at the weldment of 5 one end of lengthways main steel bar, the bottom surface being relatively large in diameter is provided with
Groove 7, is located at the weldment of 5 the other end of lengthways main steel bar, and the bottom surface being relatively large in diameter is provided with protrusion 8, raised 8 height
Slightly larger than the depth of the groove 7, and raised 8 front end far from lengthways main steel bar 5 can match just with the groove 7,
So that the central axis of weldment overlaps.The tool of the matched 5 weldment end of lengthways main steel bar in adjacent half precast pier segment one
There is inside groove 7, another is with matched protrusion 8, and the height of protrusion 8 is more than the depth of groove 7, on the one hand convex
Playing 8 can make to be easier to be aligned assembly when adjacent half precast pier section assembling with the cooperation of groove 7, and on the other hand protrusion 8 enters
After engaging in groove 7, also there are certain spaces between the two, and there are weld seams appropriate.
The utility model also provides a kind of bridge pier including multiple half precast pier described in any one of the above embodiments segments, and half is pre-
The lengthways main steel bar 5 of bridge pier segment processed is corresponded and is welded and fixed, toroidal cavity and the adjacent intersegmental sky of half precast pier
Between be filled with concrete.Entire bridge pier, adjacent half prefabricated bridge are formed after multiple half precast pier section assemblings and filling concrete
Pier segment corresponds solder bond by lengthways main steel bar 5 and gets up, and is follow-up toroidal cavity and adjacent half precast pier segment
Between space fill concrete one independently stable space is provided so that multiple half precast piers segment is at the construction field (site)
The construction of entire bridge pier is completed in rapid construction, the advantages of combining cast-in-place bridge pier and full precast pier construction method.
In another technical solution, multi-turn ring is fixed on the lengthways main steel bar 5 between adjacent half precast pier segment
Shape spacer bar is corresponded with multi-ring annular stirrup 4 and in same perpendicular.It is pre- that spacer bar is located at adjacent half
Between the ring-shaped stirrup 4 of bridge pier segment processed, and the two is parallel, and spacer bar is identical as the number of turns of ring-shaped stirrup 4, and longitudinal direction can be improved
The intensity of main reinforcement 5.
Steps are as follows for the bridge pier Specific construction of the utility model：
(1) in precast plant's prefabricated U HPC bridge piers inner casing 2 and shell 1, arrangement fix ring-shaped stirrup 4 in toroidal cavity and
Lengthways main steel bar 5；
(2) half precast pier segment is transported to construction site and carries out assembly；
(3) at the scene assembled half precast pier segment when, there are gap, half prefabricated bridges between half precast pier segment and segment
Temporary support 6 is set between pier segment first between inner casing 2 and shell 1, it is intersegmental longitudinal main then to weld half precast pier
Muscle 5；The intersegmental seam side form of half precast pier is finally installed again；
(4) it is completed and side form is after installation is complete after half precast pier section assembling, to toroidal cavity and half precast pier
Casting concrete in intersegmental space is vibrated, is conserved, and Bridge Pier Construction is completed.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (7)
1. a kind of half precast pier segment, which is characterized in that including：
Shell comprising inner casing and shell, the inner casing and shell are fixedly connected by polylith floor, form toroidal cavity, more
Block floor is along one circle of toroidal cavity circumferential direction uniform intervals setting, and the height of floor and toroidal cavity is highly consistent；
Lengthways main steel bar, by the supporting rack that is set in toroidal cavity, homogeneous vertical is arranged more in toroidal cavity, and vertical
It is protruded from outside shell to the both ends of reinforcing bar.
2. half precast pier as described in claim 1 segment, which is characterized in that support frame as described above is ring-shaped stirrup, is fixed
Across floor, ring-shaped stirrup is spaced setting multi-turn in toroidal cavity same level, and in the same vertical plane of toroidal cavity
Interior uniform intervals setting is multiple, more lengthways main steel bars is fixed on multiple ring-shaped stirrups on same vertical plane, along circumferential band
One circle of muscle circumferential direction uniform intervals setting.
3. half precast pier as claimed in claim 2 segment, which is characterized in that ring-shaped stirrup is in toroidal cavity same level
Interior two circle of interval setting, and inner ring is arranged close to inner casing, outer ring is arranged close to shell.
4. half precast pier as described in claim 1 segment, which is characterized in that the both ends of lengthways main steel bar are respectively and fixedly provided with one
Molding weldment is truncated cone-shaped structure, and the smaller bottom surface of the weldment diameter overlaps fixation with the end of lengthways main steel bar,
So that weldment is overlapped with the axis of lengthways main steel bar.
5. half precast pier as claimed in claim 4 segment, which is characterized in that it is located at the weldment of lengthways main steel bar one end,
The setting of its bottom surface being relatively large in diameter is fluted, is located at the weldment of lengthways main steel bar the other end, the bottom surface setting being relatively large in diameter
Have a protrusion, the height of projection is slightly larger than the depth of the groove, and front end of the protrusion far from lengthways main steel bar with it is described recessed
Slot can match just, so that the central axis of weldment overlaps.
6. a kind of including multiple bridge piers such as half precast pier segment of Claims 1 to 5 any one of them, which is characterized in that
The lengthways main steel bar of half precast pier segment is corresponded and is welded and fixed, and toroidal cavity and adjacent half precast pier are intersegmental
Space is filled with concrete.
7. bridge pier as claimed in claim 6, which is characterized in that solid on the lengthways main steel bar between adjacent half precast pier segment
Surely there is multi-ring annular spacer bar, corresponded with multi-ring annular stirrup and in same perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721866535.2U CN207878263U (en) | 2017-12-27 | 2017-12-27 | Half precast pier segment and bridge pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721866535.2U CN207878263U (en) | 2017-12-27 | 2017-12-27 | Half precast pier segment and bridge pier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207878263U true CN207878263U (en) | 2018-09-18 |
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ID=63504630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201721866535.2U Active CN207878263U (en) | 2017-12-27 | 2017-12-27 | Half precast pier segment and bridge pier |
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| CN (1) | CN207878263U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130212A (en) * | 2019-04-18 | 2019-08-16 | 广州容联建筑科技有限公司 | A kind of assembled steel reinforced concrete pier and its construction method |
| CN110205919A (en) * | 2019-06-12 | 2019-09-06 | 建华建材（中国）有限公司 | Prefabricated high-strength concrete modular bridge pier structure and its construction method |
| CN110886234A (en) * | 2019-12-17 | 2020-03-17 | 中交路桥建设有限公司 | Lengthening template for bridge pier column and construction method |
| CN114427188A (en) * | 2022-01-18 | 2022-05-03 | 中交第二航务工程局有限公司 | Pier column structure adopting segment prefabricated shell and construction method thereof |
-
2017
- 2017-12-27 CN CN201721866535.2U patent/CN207878263U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130212A (en) * | 2019-04-18 | 2019-08-16 | 广州容联建筑科技有限公司 | A kind of assembled steel reinforced concrete pier and its construction method |
| WO2020211175A1 (en) * | 2019-04-18 | 2020-10-22 | 广州容联建筑科技有限公司 | Fabricated reinforced concrete bridge pier and construction method therefor |
| CN110205919A (en) * | 2019-06-12 | 2019-09-06 | 建华建材（中国）有限公司 | Prefabricated high-strength concrete modular bridge pier structure and its construction method |
| WO2020248313A1 (en) * | 2019-06-12 | 2020-12-17 | 建华建材（中国）有限公司 | Precast high-strength concrete composite bridge pier structure and construction method therefor |
| CN110205919B (en) * | 2019-06-12 | 2024-06-07 | 建华建材（中国）有限公司 | Prefabricated high-strength concrete combined pier structure and construction method thereof |
| CN110886234A (en) * | 2019-12-17 | 2020-03-17 | 中交路桥建设有限公司 | Lengthening template for bridge pier column and construction method |
| CN114427188A (en) * | 2022-01-18 | 2022-05-03 | 中交第二航务工程局有限公司 | Pier column structure adopting segment prefabricated shell and construction method thereof |
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