CN206448151U - Overhead road of city precast pier - Google Patents
Overhead road of city precast pier Download PDFInfo
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- CN206448151U CN206448151U CN201720017101.9U CN201720017101U CN206448151U CN 206448151 U CN206448151 U CN 206448151U CN 201720017101 U CN201720017101 U CN 201720017101U CN 206448151 U CN206448151 U CN 206448151U
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Abstract
The utility model discloses a kind of overhead road of city precast pier, aim to provide it is a kind of have be easy to carry and convey, the overhead road of city precast pier of advantage easy for installation, its drip irrigation device is, the bridge pier bottom includes cushion cap, the prefabricated stand column and prefabricated bent cap being fixed on cushion cap, cushion cap is provided with the preformed groove of size and prefabricated stand column to cooperation, some cushion cap cage bars are fixed with preformed groove, the side that prefabricated stand column is connected with cushion cap is provided with several column sleeves, main bar upright column is additionally provided with prefabricated stand column, main bar upright column is located in column sleeve with cushion cap cage bar, and fixed by grout layer, speed of application can be increased, and make its quality more stable, it is difficult to leave defect, can also be cost-effective, the installation of scaffold can be reduced when mounted, reduce the destruction to environment, the overall size of bridge pier can also be reduced, it is carried and conveyed so as to convenient, reduce the engineering time.
Description
Technical field
The utility model is related to urban road construction field, more particularly to a kind of overhead road of city precast pier.
Background technology
Overpass is overbridge, is espespecially rested on a series of narrow armored concrete or bricklaying arch, the tower with height support
Or pillar, across the bridge of mountain valley, river, road or other lower barriers, congested in traffic after urban development, building is close
Collection, and street is difficult to widen, and uses this bridge to improve conevying efficiency with relief of traffic density.
In addition, in intercity highway or railway, to avoid and All other routes level-crossing, saving land used, reduction
The roadbed settlement of certain areas, can also use this bridge without embankment.
Due to intercity overhead landform, linear complexity, road end face width is continually changing, therefore the bridge pier of overhead road of city
Typically all cast in situs, yet with cast in situs bridge pier not only expends cycle length, big to surrounding environment influence, also
There is the defect that quality is unstable, cost is high, therefore people carry out overhead construction using precast pier.
At present, Publication No. CN203200773U Chinese patent discloses a kind of integrated precast bridge pier and basis knot
Structure, it includes pier base, stub body, and described stub body releasably can be arranged on described pier base, institute
The pier base stated includes pedestal, the first connecting plate and spiral, and described pedestal is embedded in subsurface, described screw thread
Reinforcing bar passes vertically through the first described connecting plate, is fixed on described pedestal and stretches out the first described connecting plate top
One segment distance；Described stub body bottom portion is connected with the second connecting plate, when described stub body is arranged on described stub
On the basis of when, described spiral is stretched out in partial insertion to the second described connecting plate of the first described connecting plate.
Although this integrated precast bridge pier and foundation structure can realize rapid construction to a certain extent, do not influence just
The influence of normal road, but be due to that its pier stud body is integral type, and the height of overhead road of city can reach more than ten meters,
Pier stud for this integral type is difficult to be carried and conveyed, also more difficult when mounted.
Utility model content
The purpose of this utility model is to provide a kind of overhead road of city precast pier, and it, which has, is easy to carry and conveys, and pacifies
Fill convenient advantage.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of overhead road of city precast pier, includes the bridge pier top and bridge pier bottom of interconnection, the bridge pier bottom
Including cushion cap, the prefabricated stand column being fixed on cushion cap and prefabricated bent cap, cushion cap is provided with size and prefabricated stand column to the pre- of cooperation
Stay and some cushion cap cage bars be fixed with groove, preformed groove, the side that prefabricated stand column is connected with cushion cap is provided with several column sleeves,
Main bar upright column is additionally provided with prefabricated stand column, main bar upright column is located in column sleeve with cushion cap cage bar, and passes through grout layer
It is fixed.
It is arranged such, because cushion cap needs to fix with ground, therefore carrying can only be made by way of cast in situs
Make, and prefabricated stand column and prefabricated bent cap can in the factory pre-production it is good, such industrialized mass production can increase it and apply
Work speed, and make its quality more stable, it is difficult to leave defect, additionally it is possible to cost-effective, pin hand can be reduced when mounted
The installation of frame, reduces the destruction to environment, and bridge pier bottom is divided into cushion cap, prefabricated stand column and the part of prefabricated case beam three to subtract
The overall size of small bridge pier, so that convenient carried and conveyed to it, directly passes through preformed groove, column sleeve and cage bar in addition
Cooperation easily three parts can be installed and fixed, reduce the engineering time.
Further set：Bent cap sleeve and bent cap cage bar are provided with the prefabricated bent cap, bent cap cage bar and main bar upright column are worn
It is located in bent cap sleeve and is fixed by grout layer.
It is arranged such, is only needed to bent cap cage bar, main bar upright column cover alignment beam casing cylinder during installation and wear entrance wherein,
Then being fixed just can tively firm connect two parts, can so facilitate operating personnel to precast pier
Installation, increase operating efficiency.
Further set：The junction of the prefabricated bent cap, prefabricated stand column and cushion cap is provided with provided with regulation cushion block
For the joint grouting layer being fixedly connected.
It is arranged such, regulation cushion block can adjust the relative distance between prefabricated bent cap, prefabricated stand column and cushion cap, and adjust
Save the perpendicularity of column, flow out hole between them, operating personnel can in hole casting cement, form joint grouting
Layer, makes its connection more firm.
Further set：Provided with the limited block that several are used to adjust prefabricated stand column position in the preformed groove.
It is arranged such, limited block is arranged on the periphery of column, the perpendicularity of prefabricated stand column can be entered with assist operators
Row calibration, while the movement of prefabricated stand column can be limited, the slip of prefabricated stand column causes to install inaccurate during preventing from installing.
Further set：Pass through epoxy resin mortar layer fixing seal between the limited block and preformed groove.
It is arranged such, the setting of epoxy resin mortar layer can prevent the moisture in the external world from entering prefabricated stand column and cushion cap from gap
Between, erosion of the environment to connecting portion is reduced, strengthens the fastness of its connection, increases the service life of whole precast pier.
Further set：The prefabricated stand column includes column epimere and column hypomere, between column epimere and column hypomere
Connected by connecting portion.
It is arranged such, prefabricated stand column is divided into column epimere and column lower end, can be split and then be carried, entered
One step facilitates carrying of the operating personnel to it, while fixed peace can just be connected by only needing to less scaffold when mounted
Dress, reduces the destruction to surrounding environment.
Further set：The connecting portion includes shear connector and the splicing groove being adapted to therewith.
It is arranged such, shear connector protrusion is set, shear connector can be placed in splicing groove during connection, and so one side can be with
Two-part Relative sliding when installing is placed, the effect of fixed position is reached, its connection on the other hand can be facilitated to install,
Reach more preferable installation effectiveness.
Further set：The prefabricated bent cap includes bent cap stage casing and is fixed on the bent cap side section of bent cap stage casing both sides, its
Connected by connecting portion and aid in fixing by spiral.
It is arranged such, likewise, prefabricated bent cap is divided into bent cap middle-end and bent cap side section, it can be reduced in transportation
In shared space and required length, facilitate operating personnel to carry it, reduction cost of transportation and the cost installed, together
When spiral it can be aided in be fixed, reach more preferable connection effect.
Preferably, the bridge pier top is prefabricated small box girder.
It is arranged such, box beam is one kind of science of bridge building central sill, inside is hollow shape, and there are the edge of a wing, similar case in top both sides
Son, thus gain the name, it is the conventional structure type of Large Span Bridges, can be largely saved into using prefabricated small box girder
This, shortens the duration.
In summary, the utility model has the advantages that：
Speed of application can be increased, and make its quality more stable, be difficult to leave defect, additionally it is possible to cost-effective,
The installation of scaffold can be reduced during installation, the destruction to environment is reduced, the overall size of bridge pier can also be reduced, so that convenient
It is carried and conveyed, the engineering time is reduced.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment 1；
Fig. 2 is the connection diagram of cushion cap and column in embodiment 1；
Fig. 3 is the structural representation of the central post of embodiment 1；
Fig. 4 is the structural representation of bent cap in embodiment 1.
In figure, 1, grout layer；2nd, bridge pier bottom；21st, cushion cap；211st, preformed groove；212nd, cushion cap cage bar；22nd, it is prefabricated vertical
Post；221st, column sleeve；222nd, main bar upright column；223rd, column epimere；224th, column hypomere；23rd, prefabricated bent cap；231st, bent cap set
Cylinder；232nd, bent cap cage bar；233rd, bent cap side section；234th, bent cap stage casing；3rd, cushion block is adjusted；4th, joint grouting layer；5th, limited block；6、
Epoxy resin mortar layer；7th, connecting portion；71st, shear connector；72nd, groove is spliced；8th, spiral；81st, projection.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment 1：A kind of overhead road of city precast pier, it includes bridge pier top and bridge pier bottom 2, and bridge pier top is used
Prefabricated small box girder, because the preparation method of prefabricated small box girder and application are more ripe, is not repeated, its concrete structure can join herein
Examine Publication No. CN105365042A Chinese patent.
As depicted in figs. 1 and 2,2 points of bridge pier bottom is three parts, is prefabricated bent cap 23 successively under upper, prefabricated vertical
Post 22 and cushion cap 21, cushion cap 21 are that cast in situs is formed in construction period, and it is shaped as cuboid, and the top of cushion cap 21 is provided with pre-
Groove 211 is stayed, preformed groove 211 is rectangle, and its shape is identical with the shape of cross section of prefabricated stand column 22, and prefabricated stand column 22 can during installation
To be placed in preformed groove 211, then it is fixed.
As shown in Fig. 2 the both sides in cushion cap 21 positioned at preformed groove 211 are fixed with two cage bars of cushion cap 21, prefabricated stand column 22
Correspondence position be provided with main bar upright column 222, be fixed with column sleeve 221 in prefabricated stand column 22, the bottom surface of column sleeve 221 with
The bottom surface of prefabricated stand column 22 is in same level, and main bar upright column 222 is located in column sleeve 221, referring to Fig. 3, connection
The cage bars of Shi Chengtai 21 are located in column sleeve 221 together with main bar upright column 222, and form grout layer by casting cement
1 main bar upright column 222, the cage bar of cushion cap 21 and column sleeve 221 are fixed.
As shown in Fig. 2 by being provided with regulation cushion block 3, regulation between preformed groove 211 on prefabricated stand column 22 and cushion cap 21
Cushion block 3 keeps apart prefabricated stand column 22 and cushion cap 21, it is flowed out gap, operating personnel can pour into water into gap during connection
Mud, forms joint grouting layer 4, prefabricated stand column 22 and cushion cap 21 can so be connected more close and firmly, prefabricated stand column
22 left and right sides is provided with limited block 5, and limited block 5 is embedded between preformed groove 211 and prefabricated stand column 22, prefabricated stand column 22 is blocked
Firmly, prevent it from being rocked, limited block 5 is outer to be sealed its whole junction by epoxy resin mortar layer 6, can prevent the external world
Rainwater it is destroyed into junction, extend the service life of whole precast pier.
As shown in figure 1, the top of prefabricated stand column 22 is prefabricated case beam, bent cap sleeve 231 and bent cap are provided with prefabricated case beam
Cage bar 232, bent cap cage bar 232 and main bar upright column 222 are set in bent cap sleeve 231, and are filled by grout layer 1 and seam
Pulp layer 4 is fixed, so that prefabricated bent cap 23 be fixedly connected with prefabricated stand column 22.
As shown in figure 3, prefabricated stand column 22 includes column epimere 223 and column hypomere 224, it is connected by connecting portion 7
Connect, connecting portion 7 includes the shear connector 71 for being fixed on the bottom surface of column epimere 223, the top surface of column hypomere 224 is corresponding with shear connector 71
Column epimere 223 and column hypomere 224 are alignd during installation provided with splicing groove 72 in position, shear connector 71 is placed in splicing groove 72
It is interior, the matching construction of Mosaic face is carried out, then be fixed, it can largely reduce the cost needed for transporting and installation when institute
The quantity of scaffold is needed, is speeded up the work.
Referring to Fig. 4, prefabricated case beam includes three parts, and centre is bent cap stage casing 234, and its left and right sides is bent cap side section
233, connected between bent cap side section 233 and bent cap stage casing 234 by shear connector 71 and splicing groove 72, bent cap stage casing 234 and bent cap
Side 233 top correspondence positions of section are provided between several projections 81, projection 81 carries out auxiliary connection by spiral 8, so
Greatly reduce manpower required during installation and time.
The above embodiments are only to explain of the present utility model, and it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected in right of the present utility model by Patent Law.
Claims (9)
1. a kind of overhead road of city precast pier, includes the bridge pier top and bridge pier bottom (2) of interconnection, it is characterised in that：
The bridge pier bottom (2) includes cushion cap (21), the prefabricated stand column (22) and prefabricated bent cap (23) being fixed on cushion cap (21), cushion cap
(21) provided with size and prefabricated stand column (22) to the preformed groove (211) of cooperation, preformed groove (211) is interior to be fixed with some cushion caps
(21) cage bar, the side that prefabricated stand column (22) is connected with cushion cap (21) is provided with several column sleeves (221), prefabricated stand column (22)
Main bar upright column (222) is inside additionally provided with, main bar upright column (222) is located in column sleeve (221) with cushion cap (21) cage bar, and is led to
Cross grout layer (1) fixed.
2. overhead road of city precast pier according to claim 1, it is characterised in that：It is provided with the prefabricated bent cap (23)
Bent cap sleeve (231) and bent cap cage bar (232), bent cap cage bar (232) and main bar upright column (222) are located in bent cap sleeve (231)
It is interior and fixed by grout layer (1).
3. overhead road of city precast pier according to claim 2, it is characterised in that：It is the prefabricated bent cap (23), prefabricated
The junction of column (22) and cushion cap (21) is provided with regulation cushion block (3), and is provided with the joint grouting layer for being fixedly connected
(4)。
4. overhead road of city precast pier according to claim 1, it is characterised in that：It is provided with the preformed groove (211)
Several are used for the limited block (5) for adjusting prefabricated stand column (22) position.
5. overhead road of city precast pier according to claim 4, it is characterised in that：The limited block (5) and preformed groove
(211) epoxy resin mortar layer (6) fixing seal is passed through between.
6. overhead road of city precast pier according to claim 1, it is characterised in that：The prefabricated stand column (22) includes vertical
Post epimere (223) and column hypomere (224), are connected between column epimere (223) and column hypomere (224) by connecting portion (7).
7. overhead road of city precast pier according to claim 6, it is characterised in that：The connecting portion (7) includes shearing
Key (71) and the splicing groove (72) being adapted to therewith.
8. overhead road of city precast pier according to claim 7, it is characterised in that：The prefabricated bent cap (23) includes lid
Beam stage casing (234) and the bent cap side section (233) for being fixed on bent cap stage casing (234) both sides, it is connected and led to by connecting portion (7)
Cross spiral (8) auxiliary fixation.
9. overhead road of city precast pier according to claim 1, it is characterised in that：The bridge pier top is Small Precast Box
Beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720017101.9U CN206448151U (en) | 2017-01-06 | 2017-01-06 | Overhead road of city precast pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720017101.9U CN206448151U (en) | 2017-01-06 | 2017-01-06 | Overhead road of city precast pier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206448151U true CN206448151U (en) | 2017-08-29 |
Family
ID=59670762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720017101.9U Active CN206448151U (en) | 2017-01-06 | 2017-01-06 | Overhead road of city precast pier |
Country Status (1)
| Country | Link |
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| CN (1) | CN206448151U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108103936A (en) * | 2017-11-03 | 2018-06-01 | 上海公路桥梁（集团）有限公司 | The method that prefabricated bent cap is installed on column |
| CN108442237A (en) * | 2018-04-27 | 2018-08-24 | 福建工程学院 | The construction and its construction method that a kind of precast pier and prefabricated cushion cap quickly splice |
| CN108547217A (en) * | 2018-06-12 | 2018-09-18 | 北京市市政工程设计研究总院有限公司 | Unit construction bridge formed precast concrete pier stud and bent cap bell and spigot frame and construction method |
| CN108660908A (en) * | 2018-06-19 | 2018-10-16 | 中国铁路总公司 | A kind of prestressed concrete cable-stayed bridge of the beam prefabricated pin-connected panel of tower |
| CN109183629A (en) * | 2018-10-31 | 2019-01-11 | 上海城建市政工程（集团）有限公司 | A kind of great cantilever bent cap precast assembly method |
| CN110284421A (en) * | 2019-07-10 | 2019-09-27 | 上海市浦东新区建设(集团)有限公司 | A kind of column and bent cap splicing structure and its construction method |
| CN110820533A (en) * | 2019-10-18 | 2020-02-21 | 同济大学 | Bridge design method capable of realizing repeated disassembly and assembly and novel bridge thereof |
| CN111335151A (en) * | 2018-12-19 | 2020-06-26 | 比亚迪股份有限公司 | Pier and bridge with same |
| CN112144327A (en) * | 2019-06-28 | 2020-12-29 | 比亚迪股份有限公司 | Track support assembly, assembly method thereof, track and track traffic system |
| CN112211106A (en) * | 2020-10-29 | 2021-01-12 | 中铁四局集团第一工程有限公司 | Method for installing prefabricated bent cap of viaduct |
| CN112323654A (en) * | 2020-11-17 | 2021-02-05 | 上海市基础工程集团有限公司 | Bridge full-prefabrication widening method |
| CN112854026A (en) * | 2021-01-18 | 2021-05-28 | 荀敬川 | Gap sealing anti-corrosion structure for bridge splicing and construction method thereof |
-
2017
- 2017-01-06 CN CN201720017101.9U patent/CN206448151U/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108103936A (en) * | 2017-11-03 | 2018-06-01 | 上海公路桥梁（集团）有限公司 | The method that prefabricated bent cap is installed on column |
| CN108442237A (en) * | 2018-04-27 | 2018-08-24 | 福建工程学院 | The construction and its construction method that a kind of precast pier and prefabricated cushion cap quickly splice |
| CN108547217A (en) * | 2018-06-12 | 2018-09-18 | 北京市市政工程设计研究总院有限公司 | Unit construction bridge formed precast concrete pier stud and bent cap bell and spigot frame and construction method |
| CN108547217B (en) * | 2018-06-12 | 2023-09-19 | 北京市市政工程设计研究总院有限公司 | Prefabricated bridge precast concrete pier column and cover beam socket structure and construction method |
| CN108660908A (en) * | 2018-06-19 | 2018-10-16 | 中国铁路总公司 | A kind of prestressed concrete cable-stayed bridge of the beam prefabricated pin-connected panel of tower |
| CN109183629A (en) * | 2018-10-31 | 2019-01-11 | 上海城建市政工程（集团）有限公司 | A kind of great cantilever bent cap precast assembly method |
| CN109183629B (en) * | 2018-10-31 | 2020-04-28 | 上海城建市政工程（集团）有限公司 | Large cantilever bent cap prefabrication and assembly method |
| CN111335151A (en) * | 2018-12-19 | 2020-06-26 | 比亚迪股份有限公司 | Pier and bridge with same |
| CN112144327A (en) * | 2019-06-28 | 2020-12-29 | 比亚迪股份有限公司 | Track support assembly, assembly method thereof, track and track traffic system |
| CN110284421A (en) * | 2019-07-10 | 2019-09-27 | 上海市浦东新区建设(集团)有限公司 | A kind of column and bent cap splicing structure and its construction method |
| CN110820533A (en) * | 2019-10-18 | 2020-02-21 | 同济大学 | Bridge design method capable of realizing repeated disassembly and assembly and novel bridge thereof |
| CN112211106A (en) * | 2020-10-29 | 2021-01-12 | 中铁四局集团第一工程有限公司 | Method for installing prefabricated bent cap of viaduct |
| CN112323654A (en) * | 2020-11-17 | 2021-02-05 | 上海市基础工程集团有限公司 | Bridge full-prefabrication widening method |
| CN112854026A (en) * | 2021-01-18 | 2021-05-28 | 荀敬川 | Gap sealing anti-corrosion structure for bridge splicing and construction method thereof |
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