CN109898540B - Wet joint structure among bridge pier, bearing platform and pile foundation and construction process thereof - Google Patents
Wet joint structure among bridge pier, bearing platform and pile foundation and construction process thereof Download PDFInfo
- Publication number
- CN109898540B CN109898540B CN201910301607.6A CN201910301607A CN109898540B CN 109898540 B CN109898540 B CN 109898540B CN 201910301607 A CN201910301607 A CN 201910301607A CN 109898540 B CN109898540 B CN 109898540B
- Authority
- CN
- China
- Prior art keywords
- bearing platform
- prefabricated
- pile foundation
- hole part
- pier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010276 construction Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000011376 self-consolidating concrete Substances 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 46
- 239000010959 steel Substances 0.000 claims description 46
- 239000004567 concrete Substances 0.000 claims description 26
- 239000004593 Epoxy Substances 0.000 claims description 14
- 239000004570 mortar (masonry) Substances 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000003466 welding Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 238000005056 compaction Methods 0.000 description 4
- 239000004574 high-performance concrete Substances 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
Abstract
The invention relates to a wet joint structure among bridge piers, a bearing platform and a pile foundation and a construction process thereof. The self-compacting concrete self-compacting pile head has the advantages of simple and reasonable structure, no need of pre-burying more embedded parts in the prefabricated pier column or the prefabricated bearing platform, no need of vibrating and short construction period after the self-compacting concrete is adopted, low requirements on site construction positioning accuracy, low requirements on construction machinery, equipment and manufacturing and processing, no need of binding reinforcing steel bars and welding on site, convenient site installation and small workload.
Description
Technical field:
the invention relates to a wet joint structure among bridge piers, bearing platforms and pile foundations and a construction process thereof.
The background technology is as follows:
in the prior art, the connection between the bearing platform and the pile foundation is usually in a cast-in-place concrete mode, the connection between the bridge prefabrication pier and the bearing platform is usually formed by embedding sleeves and bellows in pier columns or bearing platforms and adopting prestressed reinforcement, and pouring high-strength cement paste into the pile pier columns to be connected into a whole after the bearing platform and the connecting reinforcement in the pier columns are accurately positioned and sleeved.
Because the common connection mode needs to pre-embed a large number of embedded parts such as sleeves, corrugated pipes or prestressed pipes in the pier columns and the bearing platforms, and has higher requirements on construction positioning accuracy of connecting reinforcing steel bars and the embedded parts in the prefabricated parts, and has very high requirements on construction machinery, equipment, manufacturing and processing and the like, the connection mode of adopting the cast-in-place bearing platforms needs to perform formwork erection, reinforcing steel bar binding, welding and concrete casting on site, and has large site workload and longer construction period.
The invention comprises the following steps:
the invention aims at improving the problems in the prior art, namely the technical problem to be solved by the invention is to provide a wet joint structure among bridge piers, bearing platforms and pile foundations and a construction process thereof, which are reasonable in structure, efficient and convenient.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the utility model provides a wet joint structure between bridge pier, cushion cap and pile foundation, includes from last prefabricated pier stud, prefabricated cushion cap and the pile foundation that sets gradually down, be equipped with vertical through-hole of connection on the prefabricated cushion cap, in the lower extreme of prefabricated pier stud stretches into the connection through-hole, in the upper end of pile foundation stretches into the connection through-hole, it has self-compaction concrete to fill between the bottom surface of prefabricated pier stud and the top surface of pile foundation in the connection through-hole.
Further, the connecting through hole comprises an upper hole part, a middle hole part and a lower hole part which are sequentially arranged from top to bottom, the section shape of the upper hole part is matched with that of the prefabricated pier column, and the lower end of the prefabricated pier column extends into the upper hole part; the section shape of the lower hole part is adapted to the section shape of the pile foundation, and the upper end of the pile foundation extends into the lower hole part.
Further, the upper hole part is in a stepped hole shape, an epoxy mortar leveling layer A is arranged on the stepped surface of the upper hole part, and a plurality of pier stud positioning blocks are arranged on the stepped surface of the upper hole part in a ring manner; the lower extreme of prefabricated pier stud is equipped with the column foot bracket, the column foot bracket is embedded into in the upper end of upper hole portion via a plurality of pier stud locating piece.
Furthermore, the column base bracket is provided with a plurality of pouring inlets for pouring self-compacting concrete in a surrounding manner.
Further, vertical steel bars inside the prefabricated pier column extend downwards to the lower hole portion to form upper connecting steel bars, vertical steel bars inside the pile foundation extend upwards to the middle hole portion to form lower connecting steel bars, and the lower connecting steel bars are distributed with the upper connecting steel bars in a staggered mode.
Further, the aperture of the lower end of the upper hole is smaller than that of the lower hole and larger than that of the middle hole, and the middle hole and the lower end of the upper hole and the middle hole and the lower hole are transited through conical surfaces.
Further, the inner wall of the lower hole part is provided with a plurality of shear steel bars, one ends of the shear steel bars extend into the self-compacting concrete, and the shear steel bars are horizontally arranged.
Further, the below of prefabricated cushion cap is equipped with the cushion cap concrete cushion, the top surface edge of cushion cap concrete cushion is provided with the cushion cap locating piece, the bottom surface of prefabricated cushion cap be equipped with be used for with cushion cap locating piece matched with location concave part, be equipped with epoxy mortar leveling layer B between the bottom surface of prefabricated cushion cap and the top surface of cushion cap concrete cushion.
Furthermore, the prefabricated bearing platform is internally provided with a prestress steel beam.
The invention adopts another technical scheme that: a construction process of a wet joint structure among bridge piers, bearing platforms and pile foundations comprises the following steps:
step S1: completing construction of pile foundations and bearing platform concrete cushion layers, and arranging bearing platform positioning blocks on the top surface of the bearing platform concrete layers;
step S2: constructing a prefabricated bearing platform, and forming a connecting through hole and a bearing platform positioning concave part on the prefabricated bearing platform;
step S3: constructing a prefabricated pier column, wherein vertical steel bars in the prefabricated pier extend downwards to form upper connecting steel bars, and the lower end of the prefabricated pier forms a column foot bracket;
step S4: setting an epoxy mortar leveling layer B on the top surface of the bearing platform concrete cushion layer, and horizontally placing the prefabricated bearing platform according to the position of the bearing platform positioning block;
step S5: setting an epoxy mortar leveling layer A on the step surface of the upper hole part in the connecting through hole, embedding the column foot bracket of the prefabricated pier column into the upper hole part according to the position of the pier column positioning block, and setting temporary fixing measures;
step S6: and pouring self-compacting concrete through a pouring inlet on a column foot bracket of the prefabricated pier column, and connecting the prefabricated pier column, the prefabricated bearing platform and the pile foundation into a whole after the self-compacting concrete is solidified.
Compared with the prior art, the invention has the following effects: the self-compacting concrete self-compacting pile head has the advantages of simple and reasonable structure, no need of pre-burying more embedded parts in the prefabricated pier column or the prefabricated bearing platform, no need of vibrating and short construction period after the self-compacting concrete is adopted, low requirements on site construction positioning accuracy, low requirements on construction machinery, equipment and manufacturing and processing, no need of binding reinforcing steel bars and welding on site, convenient site installation and small workload.
Description of the drawings:
FIG. 1 is a schematic diagram of a front view configuration of an embodiment of the present invention;
FIG. 2 is a schematic top view of an embodiment of the present invention;
FIG. 3 is a schematic top view of a prefabricated pier stud in an embodiment of the present invention.
In the figure:
1-prefabricating pier columns; 2-prefabricating a bearing platform; 3-pile foundation; 4-connecting through holes; 401-upper aperture portion; 402-an intermediate hole portion; 403-lower hole portion; 5-self-compacting concrete; 6-leveling a layer A of epoxy mortar; 7-pier column positioning blocks; 8-column foot bracket; 9-priming an inlet; 10-upper connecting steel bars; 11-lower connecting steel bars; 12-shear steel bars; 13-bearing platform concrete cushion; 14-a bearing platform positioning block; 15-an epoxy mortar leveling layer B; 16-prestress steel bundles; 17-angle steel; 19-positioning recesses.
The specific embodiment is as follows:
the invention will be further described with reference to the drawings and examples for the purpose of more clearly explaining the invention, it being apparent that the drawings are only some of the embodiments of the invention.
As shown in fig. 1 to 3, the wet joint structure between a bridge pier, a bearing platform and a pile foundation comprises a prefabricated pier column 1, a prefabricated bearing platform 2 and a pile foundation 3 which are sequentially arranged from top to bottom, wherein a vertical through connecting through hole 4 is formed in the prefabricated bearing platform 2, the lower end of the prefabricated pier column 1 stretches into the connecting through hole 4, the upper end of the pile foundation 3 stretches into the connecting through hole 4, and self-compacting concrete 5 is poured between the bottom surface of the prefabricated pier column 1 and the top surface of the pile foundation 2 in the connecting through hole 4.
In this embodiment, the connecting through hole 4 includes an upper hole 401, a middle hole 402, and a lower hole 403 sequentially disposed from top to bottom, where the cross-sectional shape of the upper hole 401 is adapted to the cross-sectional shape of the prefabricated pier 1, and the lower end of the prefabricated pier 1 extends into the upper hole; the cross-sectional shape of the lower hole 403 is adapted to the cross-sectional shape of the pile foundation 3, and the upper end of the pile foundation 3 extends into the lower hole 403. Preferably, the aperture of the lower hole is 10-20 cm larger than the section size of the pile foundation.
In this embodiment, the upper hole 401 is in a stepped hole shape, the width of the upper end of the upper hole 401 is 10-30 cm, the stepped surface of the upper hole 401 is provided with an epoxy mortar leveling layer A6, and the stepped surface of the upper hole 401 is provided with a plurality of pier stud positioning blocks 7 in a ring; the lower extreme of prefabricated pier stud 1 is equipped with cyclic annular column foot bracket 8, column foot bracket 8 is embedded into in the upper end of upper hole portion 401 via a plurality of pier stud locating piece 7. Preferably, the number of the pier stud positioning blocks is four, and the four pier stud positioning blocks are uniformly distributed in a ring shape. Preferably, the column foot bracket can adopt a concrete structure or a steel structure, and a gap between the outer wall of the column foot bracket and the inner wall of the upper hole part is more than or equal to 2cm.
In this embodiment, the column base bracket 8 is provided with a plurality of pouring inlets 9 for pouring self-compacting concrete. Preferably, the number of the filling inlets is four, and the four filling inlets are uniformly distributed in a ring shape.
In this embodiment, the vertical steel bar inside the prefabricated pier stud 1 extends downwards to the lower hole portion to form an upper connecting steel bar 10, the vertical steel bar inside the pile foundation 3 extends upwards to the middle hole portion to form a lower connecting steel bar 11, and the lower connecting steel bar 11 and the upper connecting steel bar are distributed in 10 positions. The upper connecting steel bars and the lower connecting steel bars are wrapped by self-compacting concrete.
In this embodiment, the aperture of the lower end of the upper hole 401 is smaller than the aperture of the lower hole 403 and larger than the aperture of the middle hole 402, and the transition between the middle hole 402 and the lower end of the upper hole 401 and between the middle hole 402 and the lower hole 403 is via conical surfaces. Since the aperture of the middle hole is the smallest, an inward convex structure is formed.
In this embodiment, the inner wall of the lower hole 403 is provided with a plurality of shear steel bars 12 with one end extending into the self-compacting concrete, and the shear steel bars 12 are horizontally arranged to improve the shear strength.
In this embodiment, a cushion cap concrete cushion layer 13 is disposed below the prefabricated cushion cap 3, a cushion cap positioning block 14 is disposed at the edge of the top surface of the cushion cap concrete cushion layer 13, a positioning concave portion 19 for being matched with the cushion cap positioning block 13 is disposed on the bottom surface of the prefabricated cushion cap 2, and an epoxy mortar leveling layer B15 is disposed between the bottom surface of the prefabricated cushion cap 2 and the top surface of the cushion cap concrete cushion layer 13.
In this embodiment, the prefabricated base 2 is internally provided with a pre-stressing steel beam 16 to form a pre-stressing force.
In this embodiment, the self-compacting concrete is self-compacting non-shrinkage high-strength high-performance concrete, and the self-compacting non-shrinkage high-strength high-performance concrete is poured on site, and the 1 day strength is not less than 25Mpa.
In this embodiment, a reinforced bar and a concrete shear key are disposed in the middle hole portion of the connecting through hole, so as to enhance structural integrity.
In this embodiment, the edge of the stepped surface of the upper hole 401 is provided with an angle 17 for protection.
The invention has the advantages that: the method has the advantages that no embedded parts with a large number are needed to be embedded in the prefabricated pier stud or the prefabricated bearing platform, vibration is needed after self-compaction non-shrinkage high-strength high-performance concrete is adopted, the construction period is short, the requirement on site construction positioning accuracy is low, the requirements on construction machinery, equipment and manufacturing and processing are not high, binding steel bars and welding are not needed on site, the site installation is convenient, the workload is small, a new design theory is not needed, and the method is applicable to high seismic intensity areas. The structure overcomes the defects of high requirements on the positioning accuracy of the construction of the cast-in-place bearing platform and the pier stud, small redundancy of the adjustment of the construction site, high requirements on construction equipment, long construction period and the like in the prior art.
The invention adopts another technical scheme that: a construction process of a wet joint structure among bridge piers, bearing platforms and pile foundations comprises the following steps:
step S1: finishing the construction of pile foundations and bearing platform concrete cushion layers, arranging bearing platform positioning blocks on the top surface of the bearing platform concrete layers, and enabling the depth of embedding the top of the pile foundations into the prefabricated bearing platform and the length of the lower connecting steel bars extending into the connecting through holes to meet all technical requirements specified in the specification;
step S2: constructing a prefabricated bearing platform, forming a connecting through hole and a bearing platform positioning concave part on the prefabricated bearing platform, and setting prestress on the prefabricated bearing platform, wherein the size of the prestress meets the bearing capacity and normal use requirements of a bridge structure, and if the bearing platform is prefabricated in a segmented mode, the prestress needs to be stretched on site;
step S3: constructing a prefabricated pier column, wherein vertical steel bars in the prefabricated pier extend downwards to form upper connecting steel bars, the lower end of the prefabricated pier is provided with a column foot bracket, and a concrete pouring inlet is reserved on the column foot bracket;
step S4: setting an epoxy mortar leveling layer B on the top surface of the bearing platform concrete cushion layer, horizontally placing the prefabricated bearing platform according to the position of a bearing platform positioning block, leveling by means of a thin cushion block during placing, and enabling pile foundations and lower connecting steel bars to enter connecting through holes on the bearing platform through the bearing platform positioning block;
step S5: setting an epoxy mortar leveling layer A on the step surface of the upper hole part in the connecting through hole, embedding the column foot bracket of the prefabricated pier column into the upper hole part according to the position of the pier column positioning block, and setting temporary fixing measures;
step S6: and pouring self-compaction non-shrinkage high-strength high-performance concrete through a pouring inlet on a column foot bracket of the prefabricated pier column, and connecting the prefabricated pier column, the prefabricated bearing platform and the pile foundation into a whole after the self-compaction concrete is solidified.
The foregoing description is only of the preferred embodiments of the invention, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (8)
1. The utility model provides a wet-type connects structure between bridge pier, cushion cap and pile foundation which characterized in that: the pile foundation comprises a prefabricated pier column, a prefabricated bearing platform and a pile foundation which are sequentially arranged from top to bottom, wherein a vertical penetrating connecting through hole is formed in the prefabricated bearing platform, the lower end of the prefabricated pier column stretches into the connecting through hole, the upper end of the pile foundation stretches into the connecting through hole, and self-compacting concrete is poured between the bottom surface of the prefabricated pier column and the top surface of the pile foundation in the connecting through hole;
a bearing platform concrete cushion layer is arranged below the prefabricated bearing platform, a bearing platform positioning block is arranged at the edge of the top surface of the bearing platform concrete cushion layer, a positioning concave part matched with the bearing platform positioning block is arranged on the bottom surface of the prefabricated bearing platform, and an epoxy mortar leveling layer B is arranged between the bottom surface of the prefabricated bearing platform and the top surface of the bearing platform concrete cushion layer;
and a prestress steel beam is arranged in the prefabricated bearing platform.
2. The wet joint structure between bridge pier, cap and pile foundation according to claim 1, wherein: the connecting through hole comprises an upper hole part, a middle hole part and a lower hole part which are sequentially arranged from top to bottom, the section shape of the upper hole part is matched with that of the prefabricated pier column, and the lower end of the prefabricated pier column extends into the upper hole part; the section shape of the lower hole part is adapted to the section shape of the pile foundation, and the upper end of the pile foundation extends into the lower hole part.
3. The wet joint structure between bridge pier, cap and pile foundation according to claim 2, wherein: the upper hole part is in a stepped hole shape, an epoxy mortar leveling layer A is arranged on the stepped surface of the upper hole part, and a plurality of pier stud positioning blocks are arranged on the stepped surface of the upper hole part in a ring manner; the lower extreme of prefabricated pier stud is equipped with the column foot bracket, the column foot bracket is embedded into in the upper end of upper hole portion via a plurality of pier stud locating piece.
4. The wet joint structure between bridge pier, cap and pile foundation according to claim 3, wherein: the column foot bracket is provided with a plurality of pouring inlets for pouring self-compacting concrete in a surrounding manner.
5. The wet joint structure between bridge pier, cap and pile foundation according to claim 2, wherein: vertical steel bars inside the prefabricated pier column extend downwards to the lower hole portion to form upper connecting steel bars, vertical steel bars inside the pile foundation extend upwards to the middle hole portion to form lower connecting steel bars, and the lower connecting steel bars are distributed with the upper connecting steel bars in a staggered mode.
6. The wet joint structure between bridge pier, cap and pile foundation according to claim 2, wherein: the aperture of the lower end of the upper hole part is smaller than that of the lower hole part and larger than that of the middle hole part, and the middle hole part and the lower end of the upper hole part and the middle hole part and the lower hole part are transited through conical surfaces.
7. The wet joint structure between bridge pier, cap and pile foundation according to claim 2, wherein: the inner wall of the lower hole part is provided with a plurality of shear steel bars, one ends of the shear steel bars extend into the self-compacting concrete, and the shear steel bars are horizontally arranged.
8. A construction process of a wet joint structure among bridge piers, bearing platforms and pile foundations is characterized by comprising the following steps: a wet joint structure between a bridge pier, a bearing and a pile foundation according to any one of claims 1 to 7, comprising the steps of:
step S1: completing construction of pile foundations and bearing platform concrete cushion layers, and arranging bearing platform positioning blocks on the top surface of the bearing platform concrete layers;
step S2: constructing a prefabricated bearing platform, and forming a connecting through hole and a bearing platform positioning concave part on the prefabricated bearing platform;
step S3: constructing a prefabricated pier column, wherein vertical steel bars in the prefabricated pier extend downwards to form upper connecting steel bars, and the lower end of the prefabricated pier forms a column foot bracket;
step S4: setting an epoxy mortar leveling layer B on the top surface of the bearing platform concrete cushion layer, and horizontally placing the prefabricated bearing platform according to the position of the bearing platform positioning block;
step S5: setting an epoxy mortar leveling layer A on the step surface of the upper hole part in the connecting through hole, embedding the column foot bracket of the prefabricated pier column into the upper hole part according to the position of the pier column positioning block, and setting temporary fixing measures;
step S6: and pouring self-compacting concrete through a pouring inlet on a column foot bracket of the prefabricated pier column, and connecting the prefabricated pier column, the prefabricated bearing platform and the pile foundation into a whole after the self-compacting concrete is solidified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910301607.6A CN109898540B (en) | 2019-04-16 | 2019-04-16 | Wet joint structure among bridge pier, bearing platform and pile foundation and construction process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910301607.6A CN109898540B (en) | 2019-04-16 | 2019-04-16 | Wet joint structure among bridge pier, bearing platform and pile foundation and construction process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109898540A CN109898540A (en) | 2019-06-18 |
| CN109898540B true CN109898540B (en) | 2023-12-15 |
Family
ID=66955792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910301607.6A Active CN109898540B (en) | 2019-04-16 | 2019-04-16 | Wet joint structure among bridge pier, bearing platform and pile foundation and construction process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109898540B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455804A (en) * | 2020-04-24 | 2020-07-28 | 邢台路桥建设总公司 | Assembled bridge and construction method thereof |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007192017A (en) * | 2005-12-21 | 2007-08-02 | Topy Ind Ltd | Bridge pier anchoring structure and bridge pier construction method |
| WO2012149670A1 (en) * | 2011-04-30 | 2012-11-08 | 安徽省高速公路控股集团有限公司 | Construction method for root-type foundation anchorage and bored, root-type cast in-situ pile with anchor bolts |
| CN202672029U (en) * | 2012-06-15 | 2013-01-16 | 福州市规划设计研究院 | Continuous girder bridge structure with large span and large bridging and short piers |
| KR101388521B1 (en) * | 2014-01-28 | 2014-04-23 | 김동수 | Construction method of underground structure under the pier with supporting piles |
| CN105421222A (en) * | 2015-12-21 | 2016-03-23 | 上海市城市建设设计研究总院 | Socket and spigot joint type connection structure for bridge prefabricated pier stand column and bearing platform and splicing method of socket and spigot joint type connection structure |
| KR20160147502A (en) * | 2015-06-15 | 2016-12-23 | (주)지아이건설 | Coping connecting apparatus and a pier construction method using thereof. |
| WO2017045223A1 (en) * | 2015-09-18 | 2017-03-23 | 河海大学 | Prefabricated pier column member with steel-concrete composite structure |
| CN106638329A (en) * | 2017-01-25 | 2017-05-10 | 上海市政工程设计研究总院（集团）有限公司 | Assembling type bridge girder lower structure |
| CN206408639U (en) * | 2017-01-10 | 2017-08-15 | 杭州市交通规划设计研究院 | Assembled steel reinforced concrete composite bridge |
| CN206521694U (en) * | 2017-02-15 | 2017-09-26 | 重庆交通大学 | A kind of precast pier structure |
| CN108049305A (en) * | 2018-01-31 | 2018-05-18 | 福建工程学院 | The splicing construction and joining method of a kind of precast pier and prefabricated cushion cap |
| 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 |
| CN209907420U (en) * | 2019-04-16 | 2020-01-07 | 福州市规划设计研究院 | Wet joint structure among bridge pier, bearing platform and pile foundation |
-
2019
- 2019-04-16 CN CN201910301607.6A patent/CN109898540B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007192017A (en) * | 2005-12-21 | 2007-08-02 | Topy Ind Ltd | Bridge pier anchoring structure and bridge pier construction method |
| WO2012149670A1 (en) * | 2011-04-30 | 2012-11-08 | 安徽省高速公路控股集团有限公司 | Construction method for root-type foundation anchorage and bored, root-type cast in-situ pile with anchor bolts |
| CN202672029U (en) * | 2012-06-15 | 2013-01-16 | 福州市规划设计研究院 | Continuous girder bridge structure with large span and large bridging and short piers |
| KR101388521B1 (en) * | 2014-01-28 | 2014-04-23 | 김동수 | Construction method of underground structure under the pier with supporting piles |
| KR20160147502A (en) * | 2015-06-15 | 2016-12-23 | (주)지아이건설 | Coping connecting apparatus and a pier construction method using thereof. |
| WO2017045223A1 (en) * | 2015-09-18 | 2017-03-23 | 河海大学 | Prefabricated pier column member with steel-concrete composite structure |
| CN105421222A (en) * | 2015-12-21 | 2016-03-23 | 上海市城市建设设计研究总院 | Socket and spigot joint type connection structure for bridge prefabricated pier stand column and bearing platform and splicing method of socket and spigot joint type connection structure |
| CN206408639U (en) * | 2017-01-10 | 2017-08-15 | 杭州市交通规划设计研究院 | Assembled steel reinforced concrete composite bridge |
| CN106638329A (en) * | 2017-01-25 | 2017-05-10 | 上海市政工程设计研究总院（集团）有限公司 | Assembling type bridge girder lower structure |
| CN206521694U (en) * | 2017-02-15 | 2017-09-26 | 重庆交通大学 | A kind of precast pier structure |
| CN108049305A (en) * | 2018-01-31 | 2018-05-18 | 福建工程学院 | The splicing construction and joining method of a kind of precast pier and prefabricated cushion cap |
| 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 |
| CN209907420U (en) * | 2019-04-16 | 2020-01-07 | 福州市规划设计研究院 | Wet joint structure among bridge pier, bearing platform and pile foundation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109898540A (en) | 2019-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104294753B (en) | A kind of hollow pier stud syndeton of bridge prefabrication and construction | |
| CN110847044B (en) | Semi-prefabricated assembled bent cap construction method | |
| CN110541354B (en) | Single-section prefabricated anti-seismic pier and construction method thereof | |
| CN109837831A (en) | A kind of centrifugation prefabricated assembled concrete bridge pier and construction method | |
| CN211036679U (en) | Socket joint connection structure of prefabricated pier stud of assembled bridge and cushion cap | |
| CN110205918B (en) | Assembled bridge pile splicing structure and connecting method thereof | |
| KR102166504B1 (en) | Landing pier structure and its construction method | |
| CN104532740A (en) | Energy-consuming rebar-attached unbonded post-tensioning prestressed concrete filled double-wall steel tube prefabricated assembly bridge pier | |
| CN104612036A (en) | Unbonded post-tensioning prestress concrete-filled double-wall steel pipe prefabricated assembly piers with additional dampers | |
| CN108532445A (en) | A kind of connecting structure and its construction method of prefabricated bent cap and Precast Pier Columns | |
| CN103088939B (en) | Assembly interlocking prestressing force shear wall system and construction method thereof | |
| CN103469732A (en) | Construction method of preformed holes for foundation bolts of bridge support | |
| CN109989339B (en) | Prefabricated segment pier and application thereof in bridge construction | |
| CN114411535A (en) | Full-prestress double-column type segment assembled pier with external energy dissipation damper and design and construction method thereof | |
| CN209907420U (en) | Wet joint structure among bridge pier, bearing platform and pile foundation | |
| CN113718753B (en) | Anchor underground continuous wall foundation assembled type intermediate wall and construction method | |
| CN109898540B (en) | Wet joint structure among bridge pier, bearing platform and pile foundation and construction process thereof | |
| KR102268423B1 (en) | Precaste Bridge | |
| CN112030720A (en) | Prefabricated bent cap and pier stud socket type connecting structure and construction method | |
| CN204780635U (en) | Super wide nonprismatic continuous beam 0# piece concreties and relieves construction structures | |
| CN208668249U (en) | A kind of connecting structure of prefabricated bent cap and Precast Pier Columns | |
| CN204475149U (en) | A kind of soap-free emulsion polymeization post-tensioned prestressed concrete of additional power consumption reinforcing bar fills double-walled steel pipe precast assembly bridge pier | |
| CN114737608B (en) | Superimposed underground structure earthquake-resistant system based on self-resetting truncated column and construction method | |
| CN110792032A (en) | Steel hoop structure for additionally arranging steel bent cap on pier stand column and installation method | |
| CN106978816B (en) | A kind of Integral tower post case type computer room basis and its construction method and signal of communication tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 350108 No.1, Gaoxin Avenue, high tech Zone, Minhou County, Fuzhou City, Fujian Province Applicant after: Fuzhou planning and Design Institute Group Co.,Ltd. Address before: 350108 No.1, Gaoxin Avenue, high tech Zone, Minhou County, Fuzhou City, Fujian Province Applicant before: FUZHOU PLANNING DESIGN & Research Institute |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |