CN110258310B - Pier and bridge substructure - Google Patents
Pier and bridge substructure Download PDFInfo
- Publication number
- CN110258310B CN110258310B CN201910617613.2A CN201910617613A CN110258310B CN 110258310 B CN110258310 B CN 110258310B CN 201910617613 A CN201910617613 A CN 201910617613A CN 110258310 B CN110258310 B CN 110258310B
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- pier
- concrete
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- limb
- columns
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- 239000004567 concrete Substances 0.000 claims abstract description 101
- 238000011065 in-situ storage Methods 0.000 claims description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 19
- 239000003292 glue Substances 0.000 claims description 9
- 241000719178 Carangoides ruber Species 0.000 claims description 8
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000704 physical effect Effects 0.000 abstract description 3
- 230000000007 visual effect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 21
- 230000010485 coping Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 7
- 239000011178 precast concrete Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a pier, which comprises pier columns and pier caps, wherein the pier columns comprise a plurality of concrete limb columns, the concrete limb columns are integrated, the concrete limb columns are connected through a transverse connection system, and the pier caps are supported at the tops of the concrete limb columns. In addition, the lower part structure of the bridge comprises a bearing platform and the bridge piers, and each concrete limb column is supported on the bearing platform. In the invention, the bridge pier is decomposed into a plurality of concrete limb columns, compared with the traditional bridge pier, the body quantity is obviously reduced, the form is simple, the manufacturing cost is lower, the transverse rigidity of the bridge pier is ensured by the transverse connection system, and the adaptability to the rail transit bridge is better; the seam of the bridge pier is less, so that the vulnerable part and weak links of the bridge pier are reduced; the large-area physical effect is avoided, the space under the beam is obviously increased, the visual body sense of the bridge pier is reduced, and the landscape requirements of urban railway bridges and urban bridges can be met.
Description
Technical Field
The invention belongs to the technical field of bridges, and particularly relates to a bridge pier and a bridge lower structure comprising the bridge pier.
Background
The railway bridge generally adopts round-end type solid bridge piers, is designed according to plain concrete structures, has larger bridge pier size, adopts cast-in-situ construction, requires a great deal of labor force for site operation, has low construction efficiency and long construction period, has larger influence on the existing road traffic and social influence area, and is difficult to meet the requirements of the public society in civilized construction. In addition, a large number of scaffolds are required to be erected on a construction site, and important procedures such as binding of reinforcing steel bars, pouring of concrete and the like are completed through the scaffolds, so that the construction safety is also a challenge.
At present, bridge engineering accounts for higher and higher proportion in domestic highway and railway construction, and bridge assembly construction becomes a development trend, but bridge prefabrication assembly technology is mostly used for bridge upper structures, and the application in lower structures is late in starting and slow in development. The prefabricated concrete bridge pier is characterized in that each component of the bridge pier is prefabricated in sections and then assembled and connected to form an integral structure, the size and the weight of the prefabricated sections are limited by road transportation conditions, on-site hoisting capacity and the like, in addition, the splicing parts of the prefabricated components are often overlapped with the least favorable stress parts of the structure, so that splicing seams are easy-damaged parts and weak links of the assembled bridge pier, and the requirements on factory prefabrication and on-site construction are high.
In view of landscapes, urban railways and the like are generally laid in urban road ways or on road sides, the space is narrow, the requirements on bridge landscapes are high, piers are used as important components of bridges, the design of the piers aims at being slim and attractive, the texture of the traditional concrete piers is clumsy, the volume is large, the bridge is an important unit for affecting the vision of pedestrians and vehicles, and the space under the bridge is easy to give people the sense of oppression and clumsy, so that people cannot neglect the bridge.
Disclosure of Invention
The embodiment of the invention relates to a bridge pier and a bridge lower structure comprising the bridge pier, which at least can solve part of defects in the prior art.
The pier comprises a pier column and a pier cap, wherein the pier column comprises a plurality of concrete limb columns, each concrete limb column is an integrated limb column, the concrete limb columns are connected through a transverse connection system, and the pier cap is supported at the top of each concrete limb column.
As one of the embodiments, each of the concrete limbs is a prefabricated member.
As one embodiment, the transverse connection is a steel structure, steel connection parts are pre-embedded at the corresponding positions of the concrete limb columns, and the transverse connection is welded or bolted with each steel connection part respectively;
or the transverse connection system is of a concrete structure, a reinforcing steel bar joint is reserved at the position corresponding to the concrete limb column, and the transverse connection system is connected with each reinforcing steel bar joint through a cast-in-situ wet joint or a glue joint respectively.
As one embodiment, each of the cross connection members between two arbitrarily connected concrete limbs includes at least one of a straight shape, a triangle shape and an N-shape.
As one of the embodiments, each of the concrete limbs is a hollow reinforced concrete member.
As one of the embodiments, the coping is a preform.
As one embodiment, the top of each concrete limb column is reserved with a top dowel bar, the bottom of the pier cap is provided with a plurality of pier cap steel bar jacks, and each top dowel bar is inserted into each pier cap steel bar jack in a one-to-one correspondence manner and connected through a glue joint;
Or the top cast-in-situ reinforcing steel bars are reserved at the top of each concrete limb column, a plurality of pier cap cast-in-place holes are formed in the bottom of the pier cap, the pier cap cast-in-place holes are identical in number and are configured in one-to-one correspondence with the concrete limb columns, and each top cast-in-situ reinforcing steel bar is respectively inserted into the corresponding pier cap cast-in-place hole and is solidified through cast-in-place concrete.
As one of the embodiments, the bottom of the pier cap is provided with a plurality of cap legs, and the cap legs and the concrete limb columns are in the same number and are in one-to-one correspondence connection.
The embodiment of the invention also relates to a bridge lower structure, which comprises a bearing platform and the bridge piers, wherein each concrete limb column is supported on the bearing platform.
As one embodiment, the bottom of each concrete limb column is reserved with a bottom dowel bar, the top of the bearing platform is provided with a plurality of bearing platform steel bar jacks, and each bottom dowel bar is correspondingly inserted into each bearing platform steel bar jack one by one and is connected through a glue joint;
Or the bottom cast-in-situ reinforcing steel bars are reserved at the bottoms of the concrete limb columns, a plurality of bearing platform cast-in-place holes are formed in the tops of the bearing platforms, the bearing platform cast-in-place holes and the concrete limb columns are identical in number and are in one-to-one correspondence configuration, and the bottom cast-in-situ reinforcing steel bars are respectively inserted into the corresponding bearing platform cast-in-place holes and are solidified through cast-in-place concrete.
The embodiment of the invention has at least the following beneficial effects:
Compared with the traditional bridge pier, the bridge pier provided by the invention has the advantages that the bridge pier is decomposed into a plurality of concrete limb columns, the volume is obviously reduced, the form is simple, the manufacturing cost is lower, the transverse rigidity of the bridge pier is ensured by a transverse connection system, and the adaptability to a rail transit bridge is better; the integrated concrete limb column is adopted, and the seam of the bridge pier is less, so that the vulnerable part and weak links of the bridge pier are reduced; the large-area physical effect is avoided, the space under the beam is obviously increased, the visual body sense of the bridge pier is reduced, and the landscape requirements of urban railway bridges and urban bridges can be met.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a bridge substructure according to an embodiment of the present invention;
FIG. 2 is a schematic view of the shape of a transverse connection according to an embodiment of the present invention; wherein fig. 2a is a cross-connect system employing in-line cross-connect members, fig. 2b is a cross-connect system employing triangular cross-connect members, and fig. 2c is a cross-connect system employing N-shaped cross-connect members;
Fig. 3 and fig. 4 are schematic diagrams of two connection structures of a bridge pier and a bearing platform according to an embodiment of the present invention;
fig. 5 and 6 are schematic views of two connection structures of a pier and a coping according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-6, an embodiment of the present invention provides a pier, which includes pier columns 3 and pier caps 2, wherein the pier columns 3 include a plurality of concrete limb columns 31, each concrete limb column 31 is an integral limb column, each concrete limb column 31 is connected by a transverse connection system 32, and the pier caps 2 are supported on top of each concrete limb column 31.
In this embodiment, the pier stud 3 preferably includes two concrete limbs 31, and in one embodiment, the two concrete limbs 31 are arranged at intervals along the transverse bridge, and are connected by the transverse connection system 32. The cross section of the concrete limb column 31 can be square, round or polygonal according to the stress and landscape requirements.
The concrete limb column 31 is an integrated limb column which is different from the existing pier column 3 in a segmented prefabricated and assembled structure from bottom to top, so that the seam of the pier is less, and the vulnerable part and weak links of the pier are reduced. It will be appreciated that the concrete columns 31 are preferably of equal height, with the top and bottom ends being flush, and that a standardized design may be achieved, with the concrete columns 31 being spaced apart in the horizontal plane.
The pier provided by the embodiment is characterized in that the pier column 3 is decomposed into the plurality of concrete limb columns 31, compared with the traditional pier, the pier has the advantages of remarkably reduced volume, simple form and lower manufacturing cost, and the transverse connection system 32 ensures the transverse rigidity of the pier, so that the pier has better adaptability to rail transit bridges; the large-area physical effect is avoided, the space under the beam is obviously increased, the visual body sense of the bridge pier is reduced, and the landscape requirements of urban railway bridges and urban bridges can be met.
The concrete limb columns 31 can be constructed in a cast-in-place mode, but preferably, each concrete limb column 31 is a prefabricated member, standardized design, factory manufacturing and assembly construction can be realized, the construction process of a pier is simplified, the construction efficiency is effectively improved, the construction period is shortened, the construction safety is improved, and the influence on the existing road traffic is small; the number of seams of pier components is small, the vulnerable parts and weak links of the assembled pier are reduced, and the appearance and the internal quality are both ensured and improved.
In another embodiment, one of the two concrete columns 31 is constructed in a cast-in-situ manner, and the other concrete column 31 is constructed in a prefabricated manner, and the two concrete columns are connected by a transverse connection system 32, so that the bridge pier has better structural stress capability and transverse structural rigidity.
The concrete limb 31 is preferably a hollow reinforced concrete structure, and the weight of the member is reduced so as to facilitate transportation and hoisting under the premise of meeting the stress of the structure, thereby having high economy.
Further optimize the structure of the pier, the transverse connection system 32 can be a steel structure or a concrete structure, and of course, other structural forms can be adopted, so that the transverse rigidity of the pier can be ensured:
for the transverse connection system 32 of steel structure, correspondingly, steel connection parts are pre-embedded at the corresponding positions of the concrete limb columns 31, and the transverse connection system 32 is respectively welded or bolted with each steel connection part;
for the concrete structural type transverse connection system 32, correspondingly, reinforcing steel bar joints are reserved at the corresponding positions of the concrete limb columns 31, and the transverse connection system 32 is respectively connected with the reinforcing steel bar joints through cast-in-situ wet joints or glue joints.
Both of the above-described connection methods can ensure reliable lateral connection between the two concrete limbs 31, which are cooperatively stressed, and the overall lateral rigidity of the pier 3 is increased.
It will be appreciated that for two concrete limbs 31 connected by a transverse connection 32, the two concrete limbs 31 are preferably connected by a plurality of transverse connection members 321 arranged one after the other. As shown in fig. 2, each cross connecting member 321 between two arbitrarily connected concrete limbs 31 includes at least one of a straight shape, a triangle shape and an N-shape, that is, a straight shape cross connecting member 321, a triangle cross connecting member 321, an N-shape cross connecting member 321 or a combination of multiple structural forms. It can be seen that the transverse connection system 32 not only can improve the transverse structural rigidity of the bridge pier, but also can improve the aesthetic degree of the bridge pier through the structural design thereof.
Further optimizing the structure of the pier, the coping 2 may be cast-in-situ on the pier column 3 of the multi-concrete limb column 31, but preferably, the coping 2 is a prefabricated member, which is assembled with the pier column 3, so as to further simplify the construction process of the pier, further improve the construction efficiency, shorten the construction period, and improve the construction safety.
The pier cap 2 can meet the design requirement of the landscape, and adopts various forms such as vase shape, inverted T shape, rectangle and the like.
For the connection of the coping 2 and the abutment 3 described above, in particular, the connection between the precast concrete limb 31 and the precast coping 2, the following manner may be adopted:
(1) As shown in fig. 5, top dowel bars 311 are reserved at the top of each concrete limb column 31, a plurality of pier cap steel bar insertion holes 22 are formed at the bottom of the pier cap 2, and each top dowel bar 311 is inserted into each pier cap steel bar insertion hole 22 in a one-to-one correspondence manner and connected through a glue joint, so that the pier cap 2 and each concrete limb column 31 are connected into a complete pier;
(2) As shown in fig. 6, top cast-in-situ reinforcing steel bars 314 are reserved at the top of each concrete limb column 31, a plurality of pier cap cast-in-situ holes 23 are formed in the bottom of the pier caps 2, the pier cap cast-in-situ holes 23 and the concrete limb columns 31 are arranged in the same number and in one-to-one correspondence, and each top cast-in-situ reinforcing steel bar 314 is inserted into the corresponding pier cap cast-in-situ hole 23 and is solidified through cast-in-situ concrete.
In the above connection structure, each top dowel bar 311 or each top cast-in-situ steel bar 314 is preferably in one-to-one correspondence with the stressed main bar of the precast concrete limb 31, and is preferably arranged in a ring shape, for example in a ring shape, at the top of the precast concrete limb 31, so as to ensure the stability and reliability of the connection structure.
Further preferably, as shown in fig. 1 and 5, a plurality of cap legs 21 are provided at the bottom of the coping 2, and the number of the cap legs 21 is the same as that of the concrete limbs 31 and are connected in a one-to-one correspondence. Based on the structure, on one hand, the weight of the pier cap 2 can be reduced, the lightweight design of the pier is further promoted, and the pier cap is matched with the shape design of the pier cap 2, so that the pier cap is more attractive; on the other hand, the cap legs 21 and the concrete limb columns 31 are connected into a whole, the force transmission path is clear, the integrally formed structure of the cap body of the pier cap 2 and the cap legs 21 can further improve the cooperative stress property of the concrete limb columns 31, and the pier cap 2 uniformly transmits the load to the concrete limb columns 31.
The two connecting modes are simple to operate, the joint form is simple, the construction efficiency is high, and reliable connection between the concrete limb column 31 and the pier cap 2 can be ensured.
The pier provided by this embodiment, prefabricated component partitioning is few, only includes each concrete limb post 31 and pier cap 2, and the whole seam is less, only includes the joint seam of each concrete limb post 31 and pier cap 2, and each seam has obviously avoided the most unfavorable atress position of pier structure, improves and reduces the vulnerable position and the weak link of pier.
Example two
The embodiment of the invention provides a bridge lower structure, which comprises a bearing platform 4 and the bridge pier provided by the first embodiment, wherein each concrete limb column 31 is supported on the bearing platform 4.
The above-mentioned bearing platform 4 is also preferably a prefabricated member, so that the construction is further simplified and the construction efficiency is improved.
Obviously, each concrete limb 31 needs to be connected to the lower support 4, and the connection method between the support 4 and each concrete limb 31, particularly the connection between the precast concrete limb 31 and the precast support 4, may be as follows:
(1) As shown in fig. 3, bottom dowel bars 312 are reserved at the bottom of each concrete limb column 31, a plurality of bearing platform steel bar insertion holes 41 are formed in the top of the bearing platform 4, and each bottom dowel bar 312 is inserted into each bearing platform steel bar insertion hole 41 in a one-to-one correspondence manner and connected through glue joints;
(2) As shown in fig. 4, the bottom cast-in-situ reinforcing steel bars 313 are reserved at the bottom of each concrete limb column 31, a plurality of bearing platform cast-in-situ holes 42 are formed at the top of the bearing platform 4, the bearing platform cast-in-situ holes 42 and the concrete limb columns 31 are arranged in the same number and in one-to-one correspondence, and each bottom cast-in-situ reinforcing steel bar 313 is respectively inserted into the corresponding bearing platform cast-in-situ hole 42 and is solidified through cast-in-situ concrete.
In the same way, in the above connection structure, each bottom dowel bar 312 or each bottom cast-in-situ steel bar 313 corresponds to the stressed main bar of the precast concrete limb 31 one by one, and is preferably arranged in a ring shape, for example in a ring shape, at the bottom of the precast concrete limb 31, so as to ensure the stability and reliability of the connection structure.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (6)
1. Pier, including pier stud and pier cap, its characterized in that: the pier stud comprises a plurality of concrete limb studs, each concrete limb stud is an integrated limb stud, the concrete limb studs are connected through a transverse connection system, and the pier cap is supported at the top of each concrete limb stud;
For two concrete limb columns connected through a transverse connection system, the two concrete limb columns are connected through a plurality of transverse connection members which are sequentially arranged from top to bottom;
one of the two arbitrarily connected concrete limb columns is constructed in a cast-in-situ mode, the other concrete limb column is in a prefabricated part mode, and the two concrete limb columns are connected through a transverse connection system;
the transverse connection system is of a steel structure, steel connection parts are embedded in the corresponding positions of the concrete limb columns, and the transverse connection system is welded or bolted with the steel connection parts respectively; or the transverse connection system is of a concrete structure, a reinforcing steel bar joint is reserved at the corresponding position of the concrete limb column, and the transverse connection system is respectively connected with each reinforcing steel bar joint through a cast-in-situ wet joint or a glue joint;
The pier caps are prefabricated members, a plurality of cap legs are arranged at the bottoms of the pier caps, and the cap legs are connected with the concrete limb columns in the same number in a one-to-one correspondence mode.
2. The pier of claim 1, wherein: each transverse connecting member between two arbitrarily connected concrete limbs comprises at least one of a straight shape, a triangle shape and an N shape.
3. The pier of claim 1, wherein: each concrete limb column is a hollow reinforced concrete member.
4. The pier of claim 1, wherein: the top of each concrete limb column is reserved with a top dowel bar, the bottom of each pier cap is provided with a plurality of pier cap steel bar jacks, and each top dowel bar is inserted into each pier cap steel bar jack in a one-to-one correspondence manner and connected through a glue joint;
Or the top cast-in-situ reinforcing steel bars are reserved at the top of each concrete limb column, a plurality of pier cap cast-in-place holes are formed in the bottom of the pier cap, the pier cap cast-in-place holes are identical in number and are configured in one-to-one correspondence with the concrete limb columns, and each top cast-in-situ reinforcing steel bar is respectively inserted into the corresponding pier cap cast-in-place hole and is solidified through cast-in-place concrete.
5. The utility model provides a bridge substructure, includes cushion cap, its characterized in that: the pier of any one of claims 1 to 4, wherein each of said concrete limbs is supported on said deck.
6. The bridge substructure of claim 5 wherein: the bottom of each concrete limb column is reserved with a bottom dowel bar, the top of the bearing platform is provided with a plurality of bearing platform steel bar jacks, and each bottom dowel bar is correspondingly inserted into each bearing platform steel bar jack one by one and is connected through a glue joint;
Or the bottom cast-in-situ reinforcing steel bars are reserved at the bottoms of the concrete limb columns, a plurality of bearing platform cast-in-place holes are formed in the tops of the bearing platforms, the bearing platform cast-in-place holes and the concrete limb columns are identical in number and are in one-to-one correspondence configuration, and the bottom cast-in-situ reinforcing steel bars are respectively inserted into the corresponding bearing platform cast-in-place holes and are solidified through cast-in-place concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910617613.2A CN110258310B (en) | 2019-07-10 | 2019-07-10 | Pier and bridge substructure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910617613.2A CN110258310B (en) | 2019-07-10 | 2019-07-10 | Pier and bridge substructure |
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| Publication Number | Publication Date |
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| CN110258310A CN110258310A (en) | 2019-09-20 |
| CN110258310B true CN110258310B (en) | 2024-07-23 |
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| CN201910617613.2A Active CN110258310B (en) | 2019-07-10 | 2019-07-10 | Pier and bridge substructure |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188258A (en) * | 2020-02-17 | 2020-05-22 | 河南省交通规划设计研究院股份有限公司 | Novel assembled bridge substructure |
| CN113202023A (en) * | 2020-03-14 | 2021-08-03 | 中国国家铁路集团有限公司 | Prefabricated assembled hollow pier with concrete vertical splicing seams and construction method |
| CN112982147A (en) * | 2021-04-30 | 2021-06-18 | 段文吉 | View bridge |
| CN114960409A (en) * | 2022-05-23 | 2022-08-30 | 上海市政工程设计研究总院（集团）有限公司 | Vertical continuous bridge stand column prefabricated assembly structure and construction method thereof |
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| CN103835227A (en) * | 2012-11-27 | 2014-06-04 | 中铁第四勘察设计院集团有限公司 | Double-rectangular column type pier of high speed railway |
| CN106677056A (en) * | 2017-02-16 | 2017-05-17 | 上海市城市建设设计研究总院（集团）有限公司 | Prefabricated double-column vase bridge pier and assembling construction method thereof |
| CN109457625A (en) * | 2019-01-15 | 2019-03-12 | 兰州理工大学 | The combination assembled bridge framed bent pier system of steel-concrete and construction method |
| CN210657958U (en) * | 2019-07-10 | 2020-06-02 | 中铁第四勘察设计院集团有限公司 | Pier and bridge substructure |
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| CN104612039B (en) * | 2015-02-04 | 2016-07-06 | 邢台路桥建设总公司 | Assembled steel one bridge |
| CN205821987U (en) * | 2016-07-08 | 2016-12-21 | 南京工业大学 | Prefabricated frame pier stud structure of assembling |
| CN207419230U (en) * | 2017-07-27 | 2018-05-29 | 长安大学 | More limb hollow combination tower piers |
| CN109056510A (en) * | 2018-09-26 | 2018-12-21 | 中铁二院工程集团有限责任公司 | The queen post superelevation frame pier of multiple steel member connection |
| CN109183606A (en) * | 2018-10-19 | 2019-01-11 | 中铁十八局集团有限公司 | A kind of sand concrete transom pier cap beam |
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Patent Citations (4)
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| CN103835227A (en) * | 2012-11-27 | 2014-06-04 | 中铁第四勘察设计院集团有限公司 | Double-rectangular column type pier of high speed railway |
| CN106677056A (en) * | 2017-02-16 | 2017-05-17 | 上海市城市建设设计研究总院（集团）有限公司 | Prefabricated double-column vase bridge pier and assembling construction method thereof |
| CN109457625A (en) * | 2019-01-15 | 2019-03-12 | 兰州理工大学 | The combination assembled bridge framed bent pier system of steel-concrete and construction method |
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| CN110258310A (en) | 2019-09-20 |
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