CN106906747A - A kind of column and bent cap splicing structure - Google Patents
A kind of column and bent cap splicing structure Download PDFInfo
- Publication number
- CN106906747A CN106906747A CN201710082481.9A CN201710082481A CN106906747A CN 106906747 A CN106906747 A CN 106906747A CN 201710082481 A CN201710082481 A CN 201710082481A CN 106906747 A CN106906747 A CN 106906747A
- Authority
- CN
- China
- Prior art keywords
- column
- bent cap
- metal bellows
- splicing
- reinforcing bar
- 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.)
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Classifications
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- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a kind of column and bent cap splicing structure, for the splicing of column and bent cap, the bottom of the column is fixed on cushion cap, and some reinforcing bars are stretched out at the top of the column；Pre-buried some metal bellows in the bent cap, the bottom of the metal bellows flushes with the bottom surface of the bent cap；The position of the metal bellows is corresponding with the position of the reinforcing bar；Splicing seams between the column and the bent cap are connect using high-strength mortar or epoxy piece splicing；Mud jacking passage is provided with the bent cap, the every two ends of the metal bellows are connected by the mud jacking passage with pulp inlet and grout outlet respectively.The present invention changes traditional bridge construction mode, and job site, without template, substantially reduces the live duration without support, alleviates labor strength, reduces the requirement to construction site；Eliminate live bracket basis treatment and set up the operation of rack template, good economy performance；The negative effect to surrounding environment is reduced simultaneously.
Description
Technical field
The present invention relates to bridge structure construction field, more particularly to a kind of column and bent cap splicing structure.
Background technology
At present, bridge coping is cast-in-place generally using Support Method with the connection of column, that is, support and template are set up, on cushion cap
Colligation column reinforcing bar, after completing the cast of column concrete and maintenance, rotary ligating cover beam steel, then the cast of bent cap concrete is carried out,
A general construction period is at least 2~3 weeks.
Its drawback is long construction period, and field procedure is more, high to site requirements, and strutting system is high to fundamental importance, peace
Full property is poor, seriously polluted, big on surrounding enviroment influence.
The content of the invention
The present invention provides a kind of column and bent cap splicing structure, to solve above-mentioned technical problem.
In order to solve the above technical problems, the present invention provides a kind of column and bent cap splicing structure, for column and bent cap
Splicing, the bottom of the column is fixed on cushion cap, and some reinforcing bars are stretched out at the top of the column；It is pre-buried some in the bent cap
Metal bellows, the bottom of the metal bellows flushes with the bottom surface of the bent cap；The position of the metal bellows and institute
State the position correspondence of reinforcing bar；Splicing seams between the column and the bent cap are connect using high-strength mortar or epoxy piece splicing；
Be provided with mud jacking passage in the bent cap, every two ends of the metal bellows respectively by the mud jacking passage and pulp inlet and
Grout outlet is connected.
It is preferred that the reinforcing bar with diameter greater than equal to 22mm.
It is preferred that a diameter of 22mm, 25mm, 28mm, 32mm, 36mm, 40mm of the reinforcing bar or more.
It is preferred that the length that the reinforcing bar stretches out the part of the column is 20~50 times of the diameter of the reinforcing bar.
It is preferred that the wall thickness of the metal bellows is 0.4~2mm, rib 3.1~5mm high, embedded depth is the reinforcing bar
20~50 times of diameter, the big 20~40mm of diameter of the internal diameter reinforcing bar.
It is preferred that slurry check ring is equipped with the every reinforcing bar, the diameter metal bellows of the slurry check ring
The big 1cm of nozzle diameter.
It is preferred that the splicing seams between the column and the bent cap are highly 20~30mm, the top surface four of the column
Rubber cushion blocks are respectively equipped with angle, the section of the rubber cushion blocks is the square of 100 × 100mm, the thickness of the rubber cushion blocks
It is 20~31mm to spend, and the top edge of the column is enclosed and is provided with block pulp template, and the high-strength sand is laid in the block pulp template
Slurry, paving slurry thickness is higher by more than the rubber cushion blocks 5mm.
It is preferred that the splicing seams between the column and the bent cap are highly 2~5mm, the top surface corner of the column
Place is respectively equipped with pad, and the section of the pad is the square of 100 × 100mm, and the thickness of the pad is 2~5mm, described
The top edge of column is enclosed and is provided with block pulp template, and the epoxy piece glue is laid in the block pulp template, and paving glue thickness is higher by
More than the pad 2mm.
It is preferred that the bottom of the metal bellows connects with the pulp inlet, the top of the metal bellows and institute
State grout outlet connection.
Compared with prior art, the column that the present invention is provided has the following advantages that with bent cap splicing structure：
1. the present invention changes traditional bridge construction mode, job site without support, without template, a large amount of field cast-in-place quantities
Switch to prefabricated completion in factory, thus be substantially shorter the live duration, reduce construction site；Eliminate live bracket basis treatment
With the operation for setting up rack template, overall economics are good；
2. work on the spot amount is reduced, the labour intensity of field worker is alleviated, it is ensured that the safety work of workmen；
3. metal bellows and bar connecting are used, and material price is cheap, it is possible to decrease construction costs；
4. the factor such as noise, dust, light, sewage is to surrounding enviroment when can reduce construction, and traffic is produced it is negative
Influence.
5., due to being that plant produced makes, component quality is good, it is advantageously ensured that the quality and dimensional accuracy of component, and to the greatest extent may be used
Use mechanized construction more than energy；By after element precast due to deposit a period of time, therefore existing certain age when mounted,
Concrete shrinkage can be reduced, the deformation for causing of creeping.
Brief description of the drawings
Fig. 1 is structural representation of one embodiment of the invention central post with bent cap after assembled；
Fig. 2 is the structural representation at one embodiment of the invention central post and bent cap splicing seams；
Fig. 3 is the sectional view at 1-1 in Fig. 2；
Fig. 4 is the structural representation of one embodiment of the invention central post；
Fig. 5 a to Fig. 5 c are followed successively by the construction procedure schematic diagram of one embodiment of the invention central post and bent cap splicing structure.
In figure：10- columns, 11- reinforcing bars, 20- bent caps, 21- metal bellows, 22- mud jacking passage, 23- pulp inlets, 24-
Grout outlet, 30- cushion caps, 40- splicing seams, 41- rubber cushion blocks or pad, 42- slurry check rings, 43- block pulp templates.
Specific embodiment
To enable the above objects, features and advantages of the present invention more obvious understandable, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.It should be noted that, accompanying drawing of the present invention is in the form of simplification and using non-essence
Accurate ratio, is only used to conveniently, lucidly aid in illustrating the purpose of the embodiment of the present invention.
The column that the present invention is provided and bent cap splicing structure, as shown in Fig. 1 to Fig. 5 c, for the spelling of column 10 and bent cap 20
Connect, the bottom of the column 10 is fixed on cushion cap 30, some reinforcing bars 11 are stretched out at the top of the column 10；In the bent cap 20
Pre-buried some metal bellows 21, the bottom of the metal bellows 21 flushes with the bottom surface of the bent cap 20；The metal wave
The position of line pipe 21 is corresponding with the position of the reinforcing bar 11；Splicing seams 40 between the column 10 and the bent cap 20 are using high
Strength mortar or epoxy piece splicing connect；Mud jacking passage 22, the every two ends of the metal bellows 21 are provided with the bent cap 20
It is connected with pulp inlet 23 and grout outlet 24 by the mud jacking passage 22 respectively.The present invention proposes a kind of and traditional pouring procedure
Entirely different construction, can shorten construction period, and can reduce the influence to surrounding enviroment, and can preferably control to mix
Solidifying soil casting quality, and the relatively low construction technology of cost, in all many-sides such as applicability, economy, crudy, construction period
There is promotional value higher.
It is preferred that asking emphasis to refer to Fig. 3 and Fig. 4, the column 10 in the present invention can be using prefabrication also using cast-in-place
Construction, the section of column 10 can be any form, depending on bar diameter ds is calculated according to design, typically according to design requirements
Not less than 22mm, generally can be using 22mm, 25mm, 28mm, 32mm, 36mm, 40mm or more；Reinforcing bar 11 can using HRB500 and
HRB400；The length that the reinforcing bar 11 stretches out the part of the column 10 is 20~50 times of the bar diameter ds, i.e., described
The length that reinforcing bar 11 stretches out the part of the column 10 is 20ds~50ds.
It is preferred that the bent cap 20 in the present invention uses prefabrication, can be any form, the gold according to design needs
The wall thickness for belonging to bellows 21 is 0.4~2mm, and rib 3.1~5mm high, embedded depth is 20~50 times of the diameter of the reinforcing bar 11,
I.e. embedded depth is 50ds~20ds, and the big 20~40mm of diameter of the internal diameter reinforcing bar 11, i.e. internal diameter are that the reinforcing bar of column 10 is straight
Footpath ds+20mm~40mm.
It is preferred that asking emphasis to refer to Fig. 4, slurry check ring 42 is equipped with the every reinforcing bar 11, the slurry check ring 42 is arranged
In on the reinforcing bar 11, and fitted with the Mosaic face of the column 10, the diameter metal bellows of the slurry check ring 42
The 21 big 1cm of nozzle diameter, to prevent during to irrigating high-strength mortar in metal bellows 21, high-strength mortar flows out from the mouth of pipe.
It is preferred that in the present invention corresponding paver can be chosen, and choose correspondence by the height of required splicing seams 40
Rubber cushion blocks or pad 41, specifically, the height of splicing seams 40 between the column 10 and the bent cap 20 is 20~30mm,
Rubber cushion blocks are respectively equipped with the top surface corner of the column 10, the section of the rubber cushion blocks is the pros of 100 × 100mm
Shape, or other sizes and shape, the thickness of the rubber cushion blocks is 20~31mm, and the top edge of the column 10 is enclosed and set
There is block pulp template 43, the laying high-strength mortar label should be higher than that 20 liang of the column 10 and bent cap in the block pulp template 43
It is more than one grade of person's label high level, paving slurry thickness is higher by more than the rubber cushion blocks 5mm.
It is preferred that the height of splicing seams 40 between the column 10 and the bent cap 20 is 2~5mm, the column 10
It is respectively equipped with pad at top surface corner, the section of the pad is the square of 100 × 100mm, or other sizes and shape
Shape, the thickness of the pad is 2~5mm, and the top edge of the column 10 is enclosed and is provided with block pulp template 43, in the block pulp template
The laying epoxy piece glue in 43, paving glue thickness is higher by more than the pad 2mm.
It is preferred that the bottom of the metal bellows 21 connects with the pulp inlet 23, the top of the metal bellows 21
Portion connects with the grout outlet 24, high-strength mortar is flowed from bottom to top using pressure, improves mud jacking intensity.
Please emphasis refer to Fig. 5 a to 5c, the construction method of column 10 and the splicing structure of bent cap 20 that the present invention is provided is included such as
Lower step：
S1：The prefabricated column 10, as shown in Figure 5 a, and the pre-buried reinforcing bar 11 in the column 10, in the steel
Slurry check ring 42 is installed on muscle 11；The prefabricated bent cap 20, and (the metal wave of the metal bellows 21 is reserved in the bent cap 20
Line pipe 21 inserts provisions for grouting), while setting the mud jacking passage 22 in the bent cap 20；Clean and measure the column 10 and institute
State the Mosaic face of bent cap 20, it is ensured that the flatness of the top surface of column 10 and the bottom surface of bent cap 20；
S2：Preassembling, is directed at the duct of the metal bellows 21 reinforcing bar 11 and is inserted in, as shown in Figure 5 b, utilizes
The perpendicularity and absolute altitude of rubber cushion blocks or pad 41 the regulation bent cap 20 on the column 10, specifically, using to the rubber
The thickness of the regulating guarantee splicing seams 40 of rubber cushion block or pad 41 simultaneously adjusts the positional precision of bent cap 20, after the completion of regulation, lifting
The bent cap 20, carries out the construction of splicing seams 40；
S3：The column 10 is laid using seat slurry processes (correspondence rubber cushion blocks) or epoxy piece gemel connection method (correspondence pad)
With the splicing seams 40 between the bent cap 20, after the completion of paving slurry/paving glue, the bent cap 20 is dropped down onto the rubber cushion blocks that regulate or
On pad 41, after the material at the splicing seams 40 reaches intensity requirement, the high-strength of M80 is not less than to the press-in of the pulp inlet 23
Mortar, until the pulp of the grout outlet 24, after all the mud jacking of metal bellows 21 terminates, assembling construction is completed.
Above-mentioned construction method is convenient and swift, substantially reduces construction period, and assembled process several hours can complete；Save
Live bracket basis treatment and the operation of rack template is set up, overall economics are good；Work on the spot amount is reduced, is alleviated existing
The labour intensity of field workman, it is ensured that the safety work of workmen.
In sum, the present invention is provided column and bent cap splicing structure, it is described for the splicing of column 10 and bent cap 20
The bottom of column 10 is fixed on cushion cap 30, and some reinforcing bars 11 are stretched out at the top of the column 10；If pre-buried in the bent cap 20
Dry metal bellows 21, the bottom of the metal bellows 21 flushes with the bottom surface of the bent cap 20；The metal bellows 21
Position it is corresponding with the position of the reinforcing bar 11；Splicing seams 40 between the column 10 and the bent cap 20 use high-strength mortar
Or epoxy piece splicing connects；Mud jacking passage 22 is provided with the bent cap 20, the two ends of the every metal bellows 21 lead to respectively
The mud jacking passage 22 is crossed to be connected with pulp inlet 23 and grout outlet 24.The present invention changes traditional bridge construction mode, and construction is existing
Field, without template, substantially reduces the live duration without support, alleviates labor strength, reduces the requirement to construction site；
Eliminate live bracket basis treatment and set up the operation of rack template, good economy performance；Reduce simultaneously and surrounding environment is born
Face rings.
In addition, the splicing structure that the present invention is provided is applicable not only to prefabricated stand column 10 and is also applied for cast-in-place column 10.
Obviously, those skilled in the art can carry out various changes and modification without deviating from spirit of the invention to invention
And scope.So, if these modifications of the invention and modification belong to the claims in the present invention and its equivalent technologies scope it
Interior, then the present invention is also intended to including including these changes and modification.
Claims (9)
1. a kind of column and bent cap splicing structure, for the splicing of column (10) and bent cap (20), it is characterised in that the column
(10) bottom is fixed on cushion cap (30), and some reinforcing bars (11) are stretched out at the top of the column (10)；In the bent cap (20)
Pre-buried some metal bellows (21), the bottom of the metal bellows (21) flushes with the bottom surface of the bent cap (20)；It is described
The position of metal bellows (21) is corresponding with the position of the reinforcing bar (11)；Between the column (10) and the bent cap (20)
Splicing seams (40) are connect using high-strength mortar or epoxy piece splicing；Mud jacking passage (22), every institute are provided with the bent cap (20)
The two ends for stating metal bellows (21) are connected by the mud jacking passage (22) with pulp inlet (23) and grout outlet (24) respectively.
2. column as claimed in claim 1 and bent cap splicing structure, it is characterised in that the reinforcing bar (11) with diameter greater than etc.
In 22mm.
3. column as claimed in claim 2 and bent cap splicing structure, it is characterised in that the reinforcing bar (11) it is a diameter of
22mm, 25mm, 28mm, 32mm, 36mm, 40mm or more.
4. column as claimed in claim 2 and bent cap splicing structure, it is characterised in that the reinforcing bar (11) stretches out the column
(10) length of part is 20~50 times of the diameter of the reinforcing bar (11).
5. column as claimed in claim 1 and bent cap splicing structure, it is characterised in that the wall thickness of the metal bellows (21)
It is 0.4~2mm, rib 3.1~5mm high, embedded depth is 20~50 times of the diameter of the reinforcing bar (11), the internal diameter reinforcing bar
(11) the big 20~40mm of diameter.
6. column as claimed in claim 1 and bent cap splicing structure, it is characterised in that be equipped with the every reinforcing bar (11)
Slurry check ring (42), the big 1cm of nozzle diameter of the diameter metal bellows (21) of the slurry check ring (42).
7. column as claimed in claim 1 and bent cap splicing structure, it is characterised in that the column (10) and the bent cap
(20) splicing seams (40) between are highly 20~30mm, and rubber cushion blocks are respectively equipped with the top surface corner of the column (10),
The section of the rubber cushion blocks is the square of 100 × 100mm, and the thickness of the rubber cushion blocks is 20~31mm, the column
(10) top edge is enclosed and is provided with block pulp template (43), and the laying high-strength mortar in the block pulp template (43), paving slurry is thick
Degree is higher by more than the rubber cushion blocks 5mm.
8. column as claimed in claim 1 and bent cap splicing structure, it is characterised in that the column (10) and the bent cap
(20) splicing seams (40) between are highly 2~5mm, and pad, the pad are respectively equipped with the top surface corner of the column (10)
The section of piece is the square of 100 × 100mm, and the thickness of the pad is 2~5mm, and the top edge of the column (10) is enclosed
Block pulp template (43) is provided with, the laying epoxy piece glue in the block pulp template (43), paving glue thickness is higher by the pad
More than 2mm.
9. column as claimed in claim 1 and bent cap splicing structure, it is characterised in that the bottom of the metal bellows (21)
Connected with the pulp inlet (23), the top of the metal bellows (21) connects with the grout outlet (24).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016109705632 | 2016-10-28 | ||
| CN201610970563 | 2016-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106906747A true CN106906747A (en) | 2017-06-30 |
Family
ID=59208415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710082481.9A Pending CN106906747A (en) | 2016-10-28 | 2017-02-16 | A kind of column and bent cap splicing structure |
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| Country | Link |
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| CN (1) | CN106906747A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108103936A (en) * | 2017-11-03 | 2018-06-01 | 上海公路桥梁（集团）有限公司 | The method that prefabricated bent cap is installed on column |
| CN108677716A (en) * | 2018-08-03 | 2018-10-19 | 同济大学 | A kind of group's nail attachment device with corrugated sleeve |
| CN108824191A (en) * | 2018-08-03 | 2018-11-16 | 同济大学 | A kind of group with corrugated sleeve follows closely the construction technology of attachment device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100804125B1 (en) * | 2007-02-28 | 2008-02-19 | 진성토건 주식회사 | Connecting apparatus for precast concrete members, and fabricated bridge pier using the apparatus, and constructing method thereof |
| CN104018422A (en) * | 2014-06-18 | 2014-09-03 | 上海市城市建设设计研究总院 | Wet joint structure for prefabrication and splicing of joint part between bridge pier column and cover beam |
| CN105484157A (en) * | 2015-11-19 | 2016-04-13 | 宁波交通工程建设集团有限公司 | Positioning device and construction method of capping beam of prefabricated bridge |
| CN205576723U (en) * | 2016-02-15 | 2016-09-14 | 上海应用技术学院 | Adoption is excelled in prefabrication of fibre mortar and bellows joint and is assembled pier |
| CN206189279U (en) * | 2016-10-28 | 2017-05-24 | 上海市政工程设计研究总院（集团）有限公司 | Structure is assembled with bent cap to stand |
-
2017
- 2017-02-16 CN CN201710082481.9A patent/CN106906747A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100804125B1 (en) * | 2007-02-28 | 2008-02-19 | 진성토건 주식회사 | Connecting apparatus for precast concrete members, and fabricated bridge pier using the apparatus, and constructing method thereof |
| CN104018422A (en) * | 2014-06-18 | 2014-09-03 | 上海市城市建设设计研究总院 | Wet joint structure for prefabrication and splicing of joint part between bridge pier column and cover beam |
| CN105484157A (en) * | 2015-11-19 | 2016-04-13 | 宁波交通工程建设集团有限公司 | Positioning device and construction method of capping beam of prefabricated bridge |
| CN205576723U (en) * | 2016-02-15 | 2016-09-14 | 上海应用技术学院 | Adoption is excelled in prefabrication of fibre mortar and bellows joint and is assembled pier |
| CN206189279U (en) * | 2016-10-28 | 2017-05-24 | 上海市政工程设计研究总院（集团）有限公司 | Structure is assembled with bent cap to stand |
Non-Patent Citations (1)
| Title |
|---|
| 佚名: "预制拼装桥墩技术规程", 《HTTPS://WENKU.BAIDU.COM/VIEW/BAA8FE3289EB172DEC63B772.HTML?PN=51》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108103936A (en) * | 2017-11-03 | 2018-06-01 | 上海公路桥梁（集团）有限公司 | The method that prefabricated bent cap is installed on column |
| CN108677716A (en) * | 2018-08-03 | 2018-10-19 | 同济大学 | A kind of group's nail attachment device with corrugated sleeve |
| CN108824191A (en) * | 2018-08-03 | 2018-11-16 | 同济大学 | A kind of group with corrugated sleeve follows closely the construction technology of attachment device |
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Application publication date: 20170630 |