CN108286221A - A kind of connecting node and its construction method of bridge substructure precast assembly - Google Patents
A kind of connecting node and its construction method of bridge substructure precast assembly Download PDFInfo
- Publication number
- CN108286221A CN108286221A CN201810102236.4A CN201810102236A CN108286221A CN 108286221 A CN108286221 A CN 108286221A CN 201810102236 A CN201810102236 A CN 201810102236A CN 108286221 A CN108286221 A CN 108286221A
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- China
- Prior art keywords
- groove
- column
- cap
- cushion cap
- bent cap
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Links
- 238000010276 construction Methods 0.000 title claims description 29
- 239000000463 material Substances 0.000 claims abstract description 32
- 239000004570 mortar (masonry) Substances 0.000 claims description 16
- 239000004567 concrete Substances 0.000 claims description 13
- 230000002787 reinforcement Effects 0.000 claims description 12
- 239000003822 epoxy resin Substances 0.000 claims description 10
- 229920000647 polyepoxide Polymers 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 210000003205 muscle Anatomy 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 238000009417 prefabrication Methods 0.000 description 7
- 239000003292 glue Substances 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 239000011374 ultra-high-performance concrete Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000000694 effects Effects 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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of connecting joint structures of bridge substructure precast assembly, the top of the cushion cap or the bottom of bent cap are equipped with groove, the column is located in cushion cap top groove or bent cap bottom groove, column is connect with cushion cap or bent cap by pre-buried rigid connector, and realizes the splicing of column and cushion cap or bent cap in the concave surface of cushion cap top groove or bent cap bottom groove setting spliced materials.The present invention can make prefabricated stand column and the piece of cushion cap, bent cap avoid the interface of component, piece position is set to avoid stress maximum, also make column insertion cushion cap, bent cap certain depth, with good wedge action, greatly improve anti-seismic performance, the deeper anti-seismic performance of groove is better, and groove structure can make piece have better durability.
Description
Technical field
The present invention and bridge structure field, more particularly to a kind of connecting joint structure of bridge substructure precast assembly,
The specially a kind of connecting node and its construction method of precast assembly construction central post and cushion cap, column and bent cap.
Background technology
Domestic bridge prefabrication assembling technique gradually promotes and applies, and one of key of the technology is bridge pier splicing prefabricated components
Connecting node, construction performance will largely effect on integrally-built safety and reliability.More and more areas at present
Start to carry out bridge construction using precast assembly technology, particularly with macroseism area, should more reinforce precast assembly connection
The stress performance of node, to cope with attacking for earthquake.
Bridge pier assembly position is usually the boundary position of column and cushion cap, column and bent cap, and made up joint position is generally set
In column bottom surface and cushion cap top surface junction and column top surface and bent cap bottom surface junction, above-mentioned connecting portion is both bridge
The crucial force part of structure and antidetonation weak link, but in precast assembly construction, the piece positions of two individual members without
Method carries out reinforcing bar reinforcement, therefore conventional joining method edge joint position is exactly stress maximum region, if for macroseism area, there is one
Determine drawback, needs special designing to promote the stress performance of connecting node, patent of the present invention is coped with these connecting nodes and provided more
Reliable safety assurance.
Invention content
The object of the present invention is to provide a kind of connecting joint structures of bridge substructure precast assembly, bridge pier can be made to spell
The piece of dress component avoids the unfavorable region of stress, and can be convenient for the device of construction, while it is pre- preferably to control bridge pier column
The assembled quality of system, and do not increase the structure of cost.
To achieve the goals above, the technical scheme is that：A kind of connection section of bridge substructure precast assembly
Point structure, including cushion cap, bent cap, and the column between cushion cap and bent cap, it is characterised in that：
The top of the cushion cap is equipped with groove, and the bottom of the column is located in cushion cap top groove, and column passes through pre- with cushion cap
Rigid connector connection is buried, and the splicing of column and cushion cap is realized in cushion cap top groove concave surface setting spliced materials；And/or
The bottom of the bent cap is equipped with groove, and the top of the column is located in bent cap bottom groove, and column passes through pre- with bent cap
Rigid connector connection is buried, and the splicing of bent cap and column is realized in bent cap bottom groove concave surface setting spliced materials.
Further, the clear depth of the cushion cap top groove and bent cap bottom groove is not less than 3cm.
Further, the cushion cap top groove and bent cap bottom groove plane should match with column section, with column
The gap of cross dimensions surrounding is more than 1cm.
Further, the pre-buried rigid connector includes the pre- bellows and/or sleeve being embedded in cushion cap or bent cap, or
Person is embedded in the sleeve in column in advance.
Further, the spliced materials are high-strength mortar, piece glue, UHPC or concrete.
Further, calking filleting is also utilized at cushion cap top groove or the gap of bent cap bottom groove and column,
And it is sealed in slit aperture using epoxy resin mortar material.
Further, the section of the column is circle, rectangle, square or polygon.
Further, when clear depth≤50mm of the cushion cap top groove or bent cap bottom groove, cushion cap top layer or
Bent cap bottom avoids groove and places reinforced mesh.
Further, when the clear depth ＞ 50mm of the cushion cap top groove or bent cap bottom groove, cushion cap or bent cap are pressed
Groove constructs provided with recesses reinforcing bar.
It is a further object of the present invention to provide a kind of construction methods of bridge substructure precast assembly, bridge pier can be made to spell
The piece of dress component avoids the unfavorable region of stress, and can be convenient for the device of construction, while it is pre- preferably to control bridge pier column
The assembled quality of system, and do not increase the structure of cost.
To achieve the goals above, the technical scheme is that：A kind of construction party of bridge substructure precast assembly
Method, it is characterised in that the described method comprises the following steps：
A, prefabricated cushion cap, bent cap and column, at the top of cushion cap, bent cap bottom with column stitching portion be arranged groove；
The bottom of column is placed in the groove at the top of cushion cap by the B, splicing of column and cushion cap, first pass through be embedded in column or
Rigid connector in cushion cap realizes rigid connection, realizes the bonding of column and cushion cap by spliced materials again in groove, complete
At the assembly of column and cushion cap, gap uses the material not less than cushion cap concrete strength of parent after the completion of cushion cap and column assembly
Filleting finally may be used epoxy resin mortar material and be sealed in slit aperture；
C, the splicing of column and bent cap, by being placed at the top of column in the groove of bent cap bottom, first pass through be embedded in column or
Rigid connector in bent cap realizes rigid connection, realizes the bonding of column and bent cap by spliced materials again in groove, complete
At the assembly of column and bent cap, gap uses the material not less than bent cap concrete strength of parent after the completion of column and bent cap assembly
Filleting finally may be used epoxy resin mortar material and be sealed in slit aperture.
Further, the clear depth of the cushion cap top groove and bent cap bottom groove is not less than 3cm, the cushion cap top
Portion's groove and bent cap bottom groove plane should match with column section, be more than 1cm with the gap of column cross dimensions surrounding.
Further, when clear depth≤50mm of the cushion cap top groove or bent cap bottom groove, cushion cap top layer or
Bent cap bottom avoids groove and places reinforced mesh.
Further, when the clear depth ＞ 50mm of the cushion cap top groove or bent cap bottom groove, cushion cap or bent cap are pressed
Groove constructs provided with recesses reinforcing bar.
When bridge bearing platform, the bent cap of the present invention use prefabrication or cast in situs, constructively carries out local micromodification and makes,
I.e. at the top of cushion cap, bent cap bottom groove is being set with column stitching portion, column and cushion cap, bent cap first pass through bellows, sleeve
Or after the rigid connection of other pre-embedded devices, spelled using materials such as high-strength mortar, piece glue, UHPC, concrete in groove inner surface
Knot can finally be sealed with epoxy resin mortar material in slit aperture.This groove designs the splicing that can make column and cushion cap, column and bent cap
Stress maximum region is avoided in face, more can apply this structure in meizoseismal area, the deeper anti-seismic performance of groove is better, and groove structure makes bridge
The connecting node stress of precast assembly is safer reliable, and does not increase difficulty of construction and cost substantially.
The advantage of the invention is that：
1, at the top of cushion cap and bent cap bottom, opens the groove of certain depth, splices with column on concave surface, can make prefabricated stand column and hold
Platform, bent cap piece avoid the interface of component, so that piece position is avoided stress maximum, also make column insertion cushion cap, bent cap
Certain depth has good wedge action, greatly improves anti-seismic performance.
2, this groove structure is suitable for the precast assembly construction technology that the various ways such as bellows, sleeve connect.
3, this groove structure is suitable for only columnar pier and polystyle bridge pier.
4, this groove structure can make piece not exposed, and precast assembly component is made to have more good appearance.
5, this groove structure can make piece be located inside configuration, have better durability.
6, at the top of cushion cap, bent cap bottom only needs differential trench open, and without increase manually and material be can reach it is more reliable
Anti-seismic performance, safe, convenient and quick construction, good economy performance manufactures convenient for workshop, is convenient for mechanized construction.
7, the present apparatus is applicable not only to bridge prefabrication splicing structure, is also applied for the company of all kinds of concrete prefabricated splicing structures
Socket part position.
Description of the drawings
Fig. 1 is for prefabricated stand column and with groove cushion cap construction diagrams.
Fig. 2 is the plan view of Mosaic face in Fig. 1.
Fig. 3 is that prefabricated stand column is completed to scheme with the prefabricated bent cap assembly of groove.
Fig. 4 is the plan view of Mosaic face in Fig. 3.
Fig. 5 is that band groove cushion cap splices detail drawing one（Conducting wire rigid-connecting device is embedded in cushion cap）.
Fig. 6 is the plan view of Mosaic face in Fig. 5.
Fig. 7 is that band groove cushion cap splices detail drawing two（Conducting wire rigid-connecting device is embedded in column）.
Fig. 8 is that band groove bent cap splices detail drawing one（Conducting wire rigid-connecting device is embedded in bent cap）.
Fig. 9 is the plan view of Mosaic face in Fig. 8.
Figure 10 is that band groove bent cap splices detail drawing two（Conducting wire rigid-connecting device is embedded in column）.
Figure 11 is band groove cushion cap reinforcement drawing（Groove≤50mm）.
Figure 12 is band groove cushion cap reinforcement drawing（Groove ＞ 50mm）.
Figure 13 is band recess cover beam steel figure（Groove≤50mm）.
Figure 14 is band recess cover beam steel figure（Groove ＞ 50mm）.
Figure 15 is that band groove cushion cap bent cap is completed to scheme with column assembly.
Figure includes：Band groove cushion cap 1, prefabricated stand column 2, band groove bent cap 3, groove 4, stake 5, piece material 6, rigidity connect
Connection device 8, calking 9, epoxy resin mortar material 10, reinforced mesh 11, cushion cap reinforcing bar 12, groove reinforcing bar 13, bent cap reinforcing bar 14.
Specific implementation mode
As depicted in figs. 1 and 2 for prefabricated stand column 2 with 1 construction diagrams of groove cushion cap, band groove cushion cap 1, can prefabrication,
Can cast in situs, local template can be used in groove 4 or the mode of integral mold plate is realized, prefabricated stand column 2 use prefabrication, it is prefabricated
Column 2 with groove cushion cap 1, there are splicing in the groove 4 of certain depth, column first passes through pre-embedded device 8 with cushion cap and completes just
Property connection after, in groove again by the spliced materials 6 such as high-strength mortar, piece glue, UHPC, concrete be bonded, complete column with
The connection of cushion cap.
Column section can be round, long（Just）Any shapes such as rectangular, it is illustrated that be circular cross section column.
As shown in Figure 3 and Figure 4 for prefabricated stand column 2 and with prefabricated 3 construction diagrams of bent cap of groove, prefabricated stand column 2 is pre- using factory
System, band groove bent cap 3 use prefabrication, and local template can be used for groove 4 or the mode of integral mold plate is realized, prefabricated stand column 2
Splice in the groove there are certain depth with groove bent cap 3, bent cap first passes through pre-embedded device 8 with column and completes to be rigidly connected
Afterwards, it is bonded again by spliced materials 6 such as high-strength mortar, piece glue, UHPC in groove inner top surface, completes the company of column and bent cap
It connects.
Column section can be round, long（Just）Any shapes such as rectangular, it is illustrated that be circular cross section column.
Splice detail drawing as Fig. 5 ~ Fig. 7 show band groove cushion cap, conducting wire rigid-connecting device 8 can be embedded in cushion cap（Fig. 5 and Fig. 6）,
Also column can be embedded in（Fig. 7）.
The conducting wire rigid-connecting device for being embedded in cushion cap can be bellows, sleeve, or other devices are embedded in column
Conducting wire rigid-connecting device can be sleeve, or other devices.
4 clear depth of groove of cushion cap is not less than cm（Disregard piece thickness）, groove inner surface is horizontal, needs to control smooth
Degree, and have certain roughness, cushion cap first passes through pre-embedded device with column and completes after being rigidly connected, and is used in groove inner surface
The splicings such as high-strength mortar, piece glue, UHPC, concrete, seat slurry can be used in piece, the methods of mud jacking is completed, and groove plane should be with
Column section matches, and groove should be greater than 1cm with column surrounding gap b, should use to be not less than with gap after the completion of column assembly and hold
The material filleting of platform concrete strength of parent finally may be used epoxy resin mortar material and be sealed in slit aperture.
Splice detail drawing as Fig. 8 ~ Figure 10 show band groove bent cap, conducting wire rigid-connecting device 8 can be embedded in bent cap（Fig. 8, Fig. 9）,
Also column can be embedded in（Figure 10）.
The conducting wire rigid-connecting device 8 for being embedded in bent cap can be bellows, sleeve, or other devices are embedded in column
Conducting wire rigid-connecting device can be sleeve, or other devices.
4 clear depth of groove of bent cap is not less than cm（Disregard piece thickness）, groove inner surface is horizontal, needs to control smooth
Degree, and have certain roughness, bent cap first passes through pre-embedded device with column and completes after being rigidly connected, and is used in groove inner surface
The splicings such as high-strength mortar, piece glue, UHPC, concrete, seat slurry can be used in piece, the methods of mud jacking is completed, and groove plane should be with
Column section matches, and groove surrounding gap should be greater than 1cm, should be used with gap after the completion of column assembly and be not less than bent cap concrete
The material filleting of strength of parent can finally be sealed with epoxy resin mortar material in slit aperture.
Be as shown in figure 11 band groove cushion cap reinforcement drawing, reinforcement drawing do not illustrate conducting wire rigid-connecting device, when depth of groove≤
When 50mm, when cushion cap top layer arrangement of reinforcement, visual top layer 50mm is that protective layer thickness avoids groove to prevent top layer from cracking in top layer
Place reinforced mesh 11.
It is as shown in figure 12 band groove cushion cap reinforcement drawing, reinforcement drawing does not illustrate conducting wire rigid-connecting device, as depth of groove ＞
When 50mm, cushion cap can press groove construction provided with recesses reinforcing bar 13.
Be as shown in figure 13 band recess cover beam steel figure, reinforcement drawing do not illustrate conducting wire rigid-connecting device, when depth of groove≤
When 50mm, when the arrangement of reinforcement of bent cap bottom, visual bottom 50mm is that protective layer thickness is avoided groove in bottom and put to prevent bottom from cracking
Set reinforced mesh 11.
It is as shown in figure 14 band recess cover beam steel figure, reinforcement drawing does not illustrate conducting wire rigid-connecting device, as depth of groove ＞
When 50mm, bent cap can press groove construction provided with recesses reinforcing bar 13.
It completes to scheme for band groove cushion cap, beam and column assembly as shown in figure 15, the splicing with groove cushion cap bent cap and column
It can implement simultaneously, can also be performed separately, groove structure keeps the piece of bridge pier not exposed, has more good appearance.
The advantages of key node structure of precast assembly structure of the present invention, is at the top of cushion cap and bent cap bottom, opens a depthkeeping
The groove of degree splices on concave surface with column, and prefabricated stand column and the piece of cushion cap, bent cap can be made to avoid the interface of component, made
Stress maximum is avoided in piece position, also makes column insertion cushion cap, bent cap certain depth, has good wedge action, significantly
Improve anti-seismic performance.This groove structure can make piece have better durability.It is more that groove structure is suitable for bellows, sleeve etc.
In the precast assembly construction technology of kind mode.Groove structure is suitable for only columnar pier and polystyle bridge pier.Cushion cap top, bent cap
Bottom only needs differential trench open, without increasing artificial and material, you can reaches more structurally sound anti-seismic performance, safe, construction
Convenient and efficient, good economy performance is manufactured convenient for workshop, is convenient for mechanized construction.This structure is applicable not only to bridge prefabrication spelling
Assembling structure is also applied for the stress key position of all kinds of concrete prefabricated splicing structures, also piece can be made not exposed, makes prefabricated spelling
Filling component has more good appearance.
Claims (10)
1. a kind of connecting joint structure of bridge substructure precast assembly, including cushion cap, bent cap, and it is located at cushion cap and bent cap
Between column, it is characterised in that：
The top of the cushion cap is equipped with groove, and the bottom of the column is located in cushion cap top groove, and column passes through pre- with cushion cap
Rigid connector connection is buried, and the splicing of column and cushion cap is realized in cushion cap top groove concave surface setting spliced materials；And/or
The bottom of the bent cap is equipped with groove, and the top of the column is located in bent cap bottom groove, and column passes through pre- with bent cap
Rigid connector connection is buried, and the splicing of bent cap and column is realized in bent cap bottom groove concave surface setting spliced materials.
2. a kind of connecting joint structure of bridge substructure precast assembly as described in claim 1, it is characterised in that described
The clear depth of cushion cap top groove and bent cap bottom groove is not less than 3cm.
3. a kind of connecting joint structure of bridge substructure precast assembly as described in claim 1, which is characterized in that described
Cushion cap top groove and bent cap bottom groove plane should match with column section, be more than with the gap of column cross dimensions surrounding
1cm。
4. a kind of connecting joint structure of bridge substructure precast assembly as described in claim 1, which is characterized in that holding
Calking filleting is also utilized at platform top groove or the gap of bent cap bottom groove and column, and using epoxy resin mortar material in gap
Mouth sealing.
5. a kind of connecting joint structure of bridge substructure precast assembly as described in claim 1, which is characterized in that described
When clear depth≤50mm of cushion cap top groove or bent cap bottom groove, cushion cap top layer or bent cap bottom avoid groove and place steel
Muscle mesh sheet.
6. a kind of connecting joint structure of bridge substructure precast assembly as described in claim 1, which is characterized in that described
When the clear depth ＞ 50mm of cushion cap top groove or bent cap bottom groove, cushion cap or bent cap press groove construction provided with recesses reinforcing bar.
7. a kind of construction method of bridge substructure precast assembly, it is characterised in that the described method comprises the following steps：
A, prefabricated cushion cap, bent cap and column, at the top of cushion cap, bent cap bottom with column stitching portion be arranged groove；
The bottom of column is placed in the groove at the top of cushion cap by the B, splicing of column and cushion cap, first pass through be embedded in column or
Rigid connector in cushion cap realizes rigid connection, realizes the bonding of column and cushion cap by spliced materials again in groove, complete
At the assembly of column and cushion cap, gap uses the material not less than cushion cap concrete strength of parent after the completion of cushion cap and column assembly
Filleting finally may be used epoxy resin mortar material and be sealed in slit aperture；
C, the splicing of column and bent cap, by being placed at the top of column in the groove of bent cap bottom, first pass through be embedded in column or
Rigid connector in bent cap realizes rigid connection, realizes the bonding of column and bent cap by spliced materials again in groove, complete
At the assembly of column and bent cap, gap uses the material not less than bent cap concrete strength of parent after the completion of column and bent cap assembly
Filleting finally may be used epoxy resin mortar material and be sealed in slit aperture.
8. a kind of construction method of bridge substructure precast assembly as claimed in claim 7, which is characterized in that the cushion cap
The clear depth of top groove and bent cap bottom groove is not less than 3cm, the cushion cap top groove and bent cap bottom groove plane
It should match with column section, be more than 1cm with the gap of column cross dimensions surrounding.
9. a kind of construction method of bridge substructure precast assembly as claimed in claim 7, which is characterized in that the cushion cap
When clear depth≤50mm of top groove or bent cap bottom groove, cushion cap top layer or bent cap bottom avoid groove and place bar-mat reinforcement
Piece.
10. a kind of construction method of bridge substructure precast assembly as claimed in claim 7, which is characterized in that described to hold
When the clear depth ＞ 50mm of platform top groove or bent cap bottom groove, cushion cap or bent cap press groove construction provided with recesses reinforcing bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810102236.4A CN108286221A (en) | 2018-02-01 | 2018-02-01 | A kind of connecting node and its construction method of bridge substructure precast assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810102236.4A CN108286221A (en) | 2018-02-01 | 2018-02-01 | A kind of connecting node and its construction method of bridge substructure precast assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108286221A true CN108286221A (en) | 2018-07-17 |
Family
ID=62836317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810102236.4A Pending CN108286221A (en) | 2018-02-01 | 2018-02-01 | A kind of connecting node and its construction method of bridge substructure precast assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108286221A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501525A (en) * | 2020-03-26 | 2020-08-07 | 上海市政工程设计研究总院（集团）有限公司 | Prefabricated bridge pier column and bearing platform connecting structure with pier base and construction method thereof |
| CN113062203A (en) * | 2021-03-01 | 2021-07-02 | 中铁大桥局上海工程有限公司 | Construction method for splicing bridge prefabricated stand column and prefabricated capping beam |
| CN114164748A (en) * | 2022-01-07 | 2022-03-11 | 广西交科集团有限公司 | Novel prefabricated bent cap and construction method thereof |
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| CN205223839U (en) * | 2015-12-21 | 2016-05-11 | 上海市城市建设设计研究总院 | Bridge prefabrication stand and prefabricated bent cap slot -in type connection structure |
| CN106120542A (en) * | 2016-08-18 | 2016-11-16 | 福州大学 | Can be applicable to assembled pier and the construction technology thereof of seismic fortification intensity upper zone |
| CN106368117A (en) * | 2016-09-29 | 2017-02-01 | 上海市政工程设计研究总院（集团）有限公司 | Assembling method for bridge stand column and bearing platform |
| CN107338728A (en) * | 2017-02-16 | 2017-11-10 | 上海市政工程设计研究总院（集团）有限公司 | A kind of column and bent cap splicing structure |
| CN208857666U (en) * | 2018-02-01 | 2019-05-14 | 上海市政工程设计研究总院（集团）有限公司 | A kind of connecting joint structure of bridge substructure precast assembly |
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- 2018-02-01 CN CN201810102236.4A patent/CN108286221A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205223839U (en) * | 2015-12-21 | 2016-05-11 | 上海市城市建设设计研究总院 | Bridge prefabrication stand and prefabricated bent cap slot -in type connection structure |
| CN106120542A (en) * | 2016-08-18 | 2016-11-16 | 福州大学 | Can be applicable to assembled pier and the construction technology thereof of seismic fortification intensity upper zone |
| CN106368117A (en) * | 2016-09-29 | 2017-02-01 | 上海市政工程设计研究总院（集团）有限公司 | Assembling method for bridge stand column and bearing platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111501525A (en) * | 2020-03-26 | 2020-08-07 | 上海市政工程设计研究总院（集团）有限公司 | Prefabricated bridge pier column and bearing platform connecting structure with pier base and construction method thereof |
| CN113062203A (en) * | 2021-03-01 | 2021-07-02 | 中铁大桥局上海工程有限公司 | Construction method for splicing bridge prefabricated stand column and prefabricated capping beam |
| CN114164748A (en) * | 2022-01-07 | 2022-03-11 | 广西交科集团有限公司 | Novel prefabricated bent cap and construction method thereof |
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