CN110847014A - Be used for assembled bridge pier column and bent cap connection structure - Google Patents
Be used for assembled bridge pier column and bent cap connection structure Download PDFInfo
- Publication number
- CN110847014A CN110847014A CN201911344352.8A CN201911344352A CN110847014A CN 110847014 A CN110847014 A CN 110847014A CN 201911344352 A CN201911344352 A CN 201911344352A CN 110847014 A CN110847014 A CN 110847014A
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- joint
- pier stud
- plate
- assembled bridge
- end surface
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- 239000002184 metal Substances 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000011440 grout Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 5
- 230000010485 coping Effects 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010008 shearing Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a connecting structure for an assembled bridge pier stud and a cover beam, which relates to the technical field of assembled bridge construction and is used for connecting the pier stud and the cover beam, and comprises a first joint and a second joint, wherein the first joint is embedded in the pier stud, the side surface of the first joint is flush with the side surface of the pier stud, the second joint is embedded in the cover beam, and the lower end surface of the second joint is flush with the lower end surface of the cover beam; the angle base plate comprises a first plate and a second plate which are connected in a mutually perpendicular mode, the first plate is abutted to the side face of the first joint, and the second plate is abutted to the lower end face of the second joint. When the pier stud and the capping beam are installed, the capping beam is installed on the pier stud, the first joint and the second joint are connected by additionally arranging the angle base plate, so that the capping beam is fixed and in place quickly and conveniently, and finally, the large-diameter metal corrugated pipe in the capping beam is grouted and anchored, so that the connection is stable.
Description
Technical Field
The invention relates to the technical field of assembled bridges, in particular to a connecting structure for an assembled bridge pier column and a bent cap.
Background
The fabricated bridge is a novel bridge construction mode, wherein the connection of the pier stud and the capping beam is extremely important for the overall construction of the bridge. For the splicing of the pier stud and the capping beam, there are mainly three ways in the prior art: grouting sleeve connection, grouting metal corrugated pipe connection and slot type connection.
The above methods cannot simultaneously give consideration to both the connection reliability and the construction convenience.
Disclosure of Invention
In view of the above technical problems, the present invention is directed to provide a connection structure of a pier stud and a cap beam, which can simultaneously achieve both connection reliability and construction convenience.
In order to solve the technical problem, the embodiment of the invention adopts the following technical scheme to realize:
the invention provides a connecting structure for an assembled bridge pier column and a coping, which is used for connecting the pier column and the coping and comprises a first joint and a second joint, wherein the first joint is embedded into the pier column, the side surface of the first joint is flush with the side surface of the pier column, the second joint is embedded into the coping, and the lower end surface of the second joint is flush with the lower end surface of the coping; the angle base plate comprises a first plate and a second plate which are connected in a mutually perpendicular mode, the first plate is abutted to the side face of the first joint, and the second plate is abutted to the lower end face of the second joint.
Advantageously or exemplarily, the first joint and the second joint are cross-shaped frames, and comprise four side surfaces, the four side surfaces are arranged at four ends of the cross-shaped frames, and the first joint and the second joint are internally filled with concrete integrated with the pier stud or the capping beam; wherein, two at least sides of first joint with the side parallel and level of pier stud.
Beneficially or exemplarily, a screw rod matched with the corner base plate is embedded in the side surface of the first joint and the lower end surface of the second joint, the screw rod protrudes out of the embedded end surface of the first joint, and bolt holes corresponding to the embedded screw rod are formed in the first plate and the second plate.
Beneficially or exemplarily, the joint further comprises a plurality of reserved steel bars protruding from the upper end surface of the first joint, a metal corrugated pipe is arranged at a position, corresponding to the reserved steel bars, of the lower end surface of the second joint, the metal corrugated pipe extends into the second joint, the upper end of the reserved steel bars is inserted into the metal corrugated pipe and is close to the upper end of the metal corrugated pipe, and grouting material is filled in the metal corrugated pipe.
Advantageously or exemplarily, the upper end of the metal corrugated pipe extends to the top of the second joint, and the inner diameter of the metal corrugated pipe is 3-5 times of the reserved steel bar.
Beneficially or exemplarily, the joint further comprises a plurality of shear nails, and the shear nails are arranged on the first joint inner surface and/or the second joint inner surface.
Beneficially or exemplarily, further comprises a bedding layer, and the bedding layer is arranged between the first joint and the second joint.
Beneficially or exemplarily, the pier further comprises a first lifting point and a second lifting point, wherein the first lifting point and the second lifting point are respectively used for lifting the pier stud and the cover beam, the first lifting point is arranged on the upper end surface or the side surface of the first joint, the upper end surface of the second joint is flush with the upper end surface of the cover beam, and the second lifting point is arranged on the upper end surface of the second joint; or: the side of second joint with the side parallel and level of bent cap, the second hoisting point is located the side of second joint.
In a second aspect of the present invention, there is provided an assembled bridge, pier stud and cap beam connected using the above-described connection structure.
The various embodiments of the invention have the following beneficial effects:
1. the connecting structure is simple, the connection is stable, the first connector and the second connector form a hoop effect, so that the strength and the rigidity of the first connector and the second connector are higher, the isotropy performance of concrete is enhanced, and the connecting stability of the pier column and the capping beam is improved.
2. The angle base plate is arranged and connected with the pier column and the capping beam in a bolt connection mode, wherein the angle base plate is arranged at the corner where the pier column and the capping beam are connected and exposed outside, so that the maintenance and the replacement are convenient, the maintenance in the operation period of the bridge is greatly facilitated, and the capping beam can be conveniently and temporarily fixed quickly in the installation process.
3. The connection of the pier stud and the capping beam is realized through the connection of a bolt and a large-diameter grouting metal corrugated pipe; compared with the existing connection mode of the grouting metal corrugated pipe, the connection mode of the grouting metal corrugated pipe has the advantages that the length of the reserved steel bar can be reduced, the diameter of the metal corrugated pipe is increased, the allowable error of installation is increased, the precision requirement is reduced, and the installation is convenient and fast under the condition of connection with the same strength.
4. During installation, after the bent cap is installed on the pier stud, temporary fixation is achieved through the bolt connection of the angle base plate, and the bent cap is fast, convenient and stable in connection.
5. The invention is also provided with the shear nails, so that the occlusion effect of the joint and the concrete is enhanced, the integrity is enhanced, the shearing resistance of the pier column and the capping beam is enhanced, and further the cracking resistance and the seismic resistance of the pier column and the capping beam are enhanced.
6. According to the invention, the first joint is sleeved on the upper end face of the pier column, and the four side faces of the first joint wrap the upper end of the pier column, so that the generation of cracks at four corners of the upper end face of the pier column is avoided.
7. In the invention, the arrangement of the first joint and the second joint is also convenient for pre-burying and installing the lifting points and hoisting the pier stud and the bent cap.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
Fig. 1 is a schematic view of a first coupling structure for an assembled pier stud and capping beam coupling structure according to an exemplary embodiment of the present invention;
fig. 2 is a schematic view of a second coupling structure for an assembled pier stud and capping beam connection according to an exemplary embodiment of the present invention;
fig. 3 is a schematic connection diagram of first and second joints for an assembled pier stud and capping beam connection structure according to an exemplary embodiment of the present invention;
fig. 4 is a schematic view of the connection of an pier stud and a cap beam for an assembled bridge pier stud and cap beam connection according to an exemplary embodiment of the present invention;
fig. 5 is a top view of an abutment for an assembled bridge abutment and capping beam connection according to an exemplary embodiment of the present invention;
fig. 6 is a plan view of a cap beam for an assembled pier stud and cap beam connection structure according to an exemplary embodiment of the present invention.
Reference numerals: 10-pier stud; 20-a capping beam; 30-a first joint; 40-a second linker; 50-angle backing plate; 51-a first plate; 52-a second plate; 60-screw rod; 70-reserving reinforcing steel bars; 80-shear pins; 90-sitting on the pulp layer.
Detailed Description
The invention is further described below with reference to the following examples in conjunction with the accompanying drawings.
As shown in fig. 1 to 4, a first aspect of the embodiments of the present invention provides a connection structure for an assembled bridge pier stud and a coping, for connecting a pier stud 10 and a coping 20, comprising a first joint 30 and a second joint 40, wherein the first joint 30 is embedded in the pier stud 10, the side surface thereof is flush with the side surface of the pier stud 10, the second joint 40 is embedded in the coping 20, and the lower end surface thereof is flush with the lower end surface of the coping 20; the corner support plate 50 comprises a first plate 51 and a second plate 52 which are vertically connected with each other, the first plate 51 abuts against the side face of the first joint 30, and the second plate 52 abuts against the lower end face of the second joint 40.
Before prefabricating the pier stud 10 and the capping beam 20, prefabricating the first joint 30 and the second joint 40, and when prefabricating the first joint 30 and the second joint 40 by combining a steel bar design layout, paying attention to reserving holes at corresponding positions of a steel plate.
When prefabricating pier stud 10, first joint 30 ligature reinforcing bar is fixed in the template of pier stud 10 corresponding position, and concrete placement forms pier stud 10, and the in-process needs fully to vibrate, and especially at the concrete of first joint 30 department, it is closely knit to need to pay attention to vibrate to improve the adhesive property of first joint 30 and concrete. After pouring, covering the pier column with canvas, arranging a steam maintenance shed, performing multi-azimuth synchronous maintenance on the poured pier column 10, stopping maintenance when the prefabricated pier column 10 reaches 75% of the design strength, removing the template, and completing the prefabricated pier column 10.
The process of prefabricating the capping beam 20 is similar to prefabricating the pier stud 10.
During splicing, the bent cap 20 is hoisted to the upper side of the pier stud 10, and the first joint 30 and the second joint 40 are connected through the angle pad 50 to complete splicing and positioning of the pier stud 10 and the bent cap 20.
During splicing, after the bent cap 20 is in place, the corner pad 50 is temporarily fixed, specifically: mounting the first plate 51 of the corner pad 50 on the side of the first joint 30 such that the upper surface of the second plate 52 is flush with the upper surface of the pier stud 10; then, the second plate 52 is mounted on the lower end surface of the second joint 40, and the temporary fixation is quickly completed for the subsequent operation.
In this embodiment, when installing, install back to pier stud 10 with bent cap 20, the temporary fixation can be realized through the bolted connection of angle backing plate 50, and is convenient fast, connects stably. The connection structure of the embodiment is simple, the connection is stable, the first connector 30 and the second connector 40 form a hoop effect, so that the strength and rigidity of the first connector 30 and the second connector 40 are higher, the isotropy performance of concrete is enhanced, and the connection stability of the pier stud 10 and the cover beam 20 is improved.
In one embodiment, the first joint 30 and the second joint 40 are steel frame joints.
In one embodiment, the first joint 30 and the second joint 40 are cross-shaped frames, which include four side surfaces disposed at four ends of the cross-shaped frames, and the first joint 30 and the second joint 40 are internally filled with concrete integrated with the pier stud 10 or the cap beam 20; wherein at least two sides of the first joint 30 are flush with the sides of the pier stud 10. In one embodiment, as shown in fig. 6, four sides of the first connector 30 are flush with the sides of the pier stud 10.
In one embodiment, the side surface of the first joint 30 and the lower end surface of the second joint 40 are embedded with screws 60 matched with the angle pad 50, the screws 60 protrude out of the embedded end surfaces, and the first plate 51 and the second plate 52 are provided with bolt holes corresponding to the embedded screws 60. In a further embodiment, due to the possibility of error in the splicing of the capping beam 20 and the pier stud 10, to avoid the difficulty in mounting the corner spacer 50 due to the error, the bolt holes of the second plate 52 are reproduced as field holes after the butt mounting of the first plate 51 is completed.
In this embodiment, set up angle backing plate 50, adopt bolted connection's mode to connect pier stud 10 and bent cap 20, wherein, angle backing plate 50 sets up in the corner that pier stud 10 and bent cap 20 are connected, exposes outside, and convenient maintenance and change have made things convenient for the maintenance of bridge operation phase greatly.
In an embodiment, the joint further includes a plurality of reserved steel bars 70 protruding from the upper end surface of the first joint 30, a metal corrugated pipe is upwardly opened at a position corresponding to the reserved steel bars 70 at the lower end surface of the second joint 40, the upper end of the metal corrugated pipe extends into the second joint 40, the upper end of the reserved steel bars 70 is inserted into the metal corrugated pipe close to the upper end of the metal corrugated pipe, and the metal corrugated pipe is filled with grouting material.
And after the temporary fixation is finished, grouting is carried out in the metal corrugated pipe, and after the grouting is full, the splicing of the prefabricated pier stud 10 and the coping 20 is finished.
The pier column and the capping beam are connected through the bolt connection and the grouting metal corrugated pipe connection; compare with current grout corrugated metal pipe connected mode, under the connection of equal intensity, this embodiment can reduce the length of reserving reinforcing bar 70, and corrugated metal pipe's diameter can further increase simultaneously, and the error increase that the installation was allowed, and the required precision reduces, and it is convenient to install.
In order to reduce the length of the reinforcing bar 70 and reduce the installation accuracy, a practical embodiment is provided in which the upper end of the large-diameter metal bellows extends to the top of the second connector 40, and the inner diameter of the large-diameter metal bellows is 3 to 5 times that of the reinforcing bar 70.
In one embodiment, a plurality of shear pins 80 are included, the shear pins 80 being disposed on an inner surface of the first connector 30 and/or an inner surface of the second connector 40.
Wherein the shear pins 80 are fabricated when the first joint 30 and the second joint 40 are prefabricated.
In this embodiment, the shear nails 80 are further provided, so that the engagement effect of the first joint 30, the second joint 40 and the concrete is enhanced, the integrity is enhanced, the shearing resistance of the pier stud 10 and the capping beam 20 is enhanced, and further, the crack resistance and the seismic resistance of the pier stud 10 and the capping beam 20 are enhanced.
In one embodiment, a bedding layer 90 is also included, the bedding layer 90 being disposed between the first joint 30 and the second joint 40.
In the present embodiment, the grout blanket 90 is provided on the joint surface between the first joint 30 and the second joint 40, so that the bonding effect between the concrete can be achieved, and the reliability of the joint can be further improved.
In one embodiment, the lifting device further comprises a first lifting point and a second lifting point, wherein the first lifting point and the second lifting point are respectively used for lifting the pier stud 10 and the cover beam 20, the first lifting point is arranged on the upper end surface or the side surface of the first connector 30, the upper end surface of the second connector 40 is flush with the upper end surface of the cover beam 20, and the second lifting point is arranged on the upper end surface of the second connector 40; or: the side of the second joint 40 is flush with the side of the lid beam 20 and the second suspension point is provided at the side of the second joint 40.
In this embodiment, the first joint 30 and the second joint 40 are provided to facilitate installation of a lifting point, so as to facilitate lifting of the pier stud 10 and the cap beam 20.
A second aspect of the embodiment of the present invention provides an assembled bridge in which the pier stud 10 and the capping beam 20 are connected using the connection structure provided in the first aspect described above.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. The connecting structure for the assembled bridge pier column and the cover beam is characterized by being used for connecting a pier column (10) and the cover beam (20) and comprising a first joint (30) and a second joint (40), wherein the first joint (30) is embedded into the pier column (10), the side surface of the first joint is flush with the side surface of the pier column (10), the second joint (40) is embedded into the cover beam (20), and the lower end surface of the second joint is flush with the lower end surface of the cover beam (20);
the corner base plate (50) comprises a first plate (51) and a second plate (52) which are connected perpendicularly to each other, the first plate (51) abuts against the side face of the first joint (30), and the second plate (52) abuts against the lower end face of the second joint (40).
2. The structure for connecting assembled bridge piers and capping beams according to claim 1, wherein the first joint (30) and the second joint (40) are cross-shaped frames including four side surfaces provided at four ends of the cross-shaped frames, and the first joint (30) and the second joint (40) are internally filled with concrete integrated with the piers (10) or capping beams (20);
wherein at least two sides of the first joint (30) are flush with the sides of the pier stud (10).
3. The structure for connecting an assembled bridge pier stud and a cap beam according to claim 1, wherein a screw (60) matched with the corner base plate (50) is embedded in the side surface of the first joint (30) and the lower end surface of the second joint (40), the screw (60) protrudes out of the embedded end surface, and bolt holes corresponding to the embedded screw (60) are formed in the first plate (51) and the second plate (52).
4. The structure for connecting an assembled bridge pier stud and a cap beam according to claim 1, further comprising a plurality of reserved steel bars (70) protruding from the upper end surface of the first joint (30), wherein a large-diameter metal corrugated pipe is upwardly opened at a position corresponding to the reserved steel bars (70) at the lower end surface of the second joint (40), the upper end of the metal corrugated pipe extends into the second joint (40), the upper end of the reserved steel bars (70) is inserted into the metal corrugated pipe, and grouting material is filled in the metal corrugated pipe.
5. The connection structure for the assembled pier stud and cap girder according to claim 4, wherein the upper end of the metal bellows having an inner diameter 3-5 times that of the rebar (70) extends to the top of the second connector (40).
6. The structure for connecting an assembled bridge pier stud and a cap beam according to claim 1, further comprising a plurality of shear pins (80), wherein the shear pins (80) are arranged on the inner surface of the first joint (30) and/or the inner surface of the second joint (40).
7. The structure for connecting an assembled bridge pier stud and a cap beam according to claim 1, further comprising a grout blanket (90), wherein the grout blanket (90) is provided between the first joint (30) and the second joint (40).
8. The assembled bridge pier column and capping beam connecting structure according to claim 1, further comprising a first hanging point and a second hanging point for hanging the pier column (10) and the capping beam (20), respectively, wherein the first hanging point is provided on the upper end surface or the side surface of the first joint (30),
the upper end face of the second joint (40) is flush with the upper end face of the cover beam (20), and the second lifting point is arranged on the upper end face of the second joint (40); or: the side surface of the second joint (40) is flush with the side surface of the cover beam (20), and the second lifting point is arranged on the side surface of the second joint (40).
9. An assembled bridge, characterized in that the pier stud (10) and the capping beam (20) are connected using the connecting structure according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344352.8A CN110847014B (en) | 2019-12-24 | 2019-12-24 | Be used for assembled bridge pier column and bent cap connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344352.8A CN110847014B (en) | 2019-12-24 | 2019-12-24 | Be used for assembled bridge pier column and bent cap connection structure |
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| Publication Number | Publication Date |
|---|---|
| CN110847014A true CN110847014A (en) | 2020-02-28 |
| CN110847014B CN110847014B (en) | 2024-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911344352.8A Active CN110847014B (en) | 2019-12-24 | 2019-12-24 | Be used for assembled bridge pier column and bent cap connection structure |
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| Country | Link |
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| CN (1) | CN110847014B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005903A (en) * | 2021-02-09 | 2021-06-22 | 浙江交工集团股份有限公司 | Grouting sleeve connection type bent cap assembling construction process |
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| JPH0827734A (en) * | 1994-07-13 | 1996-01-30 | Sekisui Jushi Co Ltd | Beam structure for shielding elevated bridge central reserve |
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| CN101613989A (en) * | 2009-07-16 | 2009-12-30 | 南京工业大学 | Seismic isolation and reduction method and structure applied to assembled or prefabricated beam bridge |
| US20140090771A1 (en) * | 2012-10-02 | 2014-04-03 | Shin-Etsu Chemical Co., Ltd. | Waterproof sheet for use in bridge pier repair and waterproof working method using the same |
| CN105484157A (en) * | 2015-11-19 | 2016-04-13 | 宁波交通工程建设集团有限公司 | Positioning device and construction method of capping beam of prefabricated bridge |
| 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 |
| CN208415082U (en) * | 2018-06-12 | 2019-01-22 | 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 |
| CN110205921A (en) * | 2019-07-17 | 2019-09-06 | 福州大学 | The precast assembly pier stud construction and construction method of bellows connection are inserted by reinforcing bar |
| CN110373986A (en) * | 2019-08-09 | 2019-10-25 | 沈阳建筑大学 | A kind of large span unit construction bridge girder construction |
| CN212000585U (en) * | 2019-12-24 | 2020-11-24 | 广州市市政集团有限公司 | Be used for assembled bridge pier column and bent cap connection structure |
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2019
- 2019-12-24 CN CN201911344352.8A patent/CN110847014B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0827734A (en) * | 1994-07-13 | 1996-01-30 | Sekisui Jushi Co Ltd | Beam structure for shielding elevated bridge central reserve |
| CN101451357A (en) * | 2008-12-31 | 2009-06-10 | 童常荣 | Anti-corrosive method of prestressing concrete pipe pile joint and concrete pipe pile prepared thereby |
| CN101613989A (en) * | 2009-07-16 | 2009-12-30 | 南京工业大学 | Seismic isolation and reduction method and structure applied to assembled or prefabricated beam bridge |
| US20140090771A1 (en) * | 2012-10-02 | 2014-04-03 | Shin-Etsu Chemical Co., Ltd. | Waterproof sheet for use in bridge pier repair and waterproof working method using the same |
| CN105484157A (en) * | 2015-11-19 | 2016-04-13 | 宁波交通工程建设集团有限公司 | Positioning device and construction method of capping beam of prefabricated bridge |
| 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 |
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| CN110373986A (en) * | 2019-08-09 | 2019-10-25 | 沈阳建筑大学 | A kind of large span unit construction bridge girder construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005903A (en) * | 2021-02-09 | 2021-06-22 | 浙江交工集团股份有限公司 | Grouting sleeve connection type bent cap assembling construction process |
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| Publication number | Publication date |
|---|---|
| CN110847014B (en) | 2024-08-09 |
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