CN108193588A - A kind of assembled steel-mixed bondbeam shear connector - Google Patents
A kind of assembled steel-mixed bondbeam shear connector Download PDFInfo
- Publication number
- CN108193588A CN108193588A CN201711478668.7A CN201711478668A CN108193588A CN 108193588 A CN108193588 A CN 108193588A CN 201711478668 A CN201711478668 A CN 201711478668A CN 108193588 A CN108193588 A CN 108193588A
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- plate
- strength bolt
- shear connector
- nut
- concrete
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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
- 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
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of assembled steel reinforced concrete bondbeam shear connectors, it includes concrete prefabricated board and high-strength bolt shear key, several secondary pouring holes are evenly distributed on concrete prefabricated board, in secondary pouring hole plate is poured filled with secondary, the secondary top for pouring head and screw rod that high-strength bolt is uniformly embedded in plate, it the lower part of high-strength bolt can be with the top flange of girder steel through connection, high-strength bolt is respectively arranged with top nut and bottom nut with the top and bottom at the link position of top flange, top surface fill plate is provided between top nut and top flange, bottom surface fill plate is provided between bottom nut and top flange.Structure of the present invention replaces bolt to weld WELDING STUDS with detachable high-strength bolt, high-strength bolt Shear connection key is set in concrete slab in advance using ultra-high performance concrete (UHPC), construction efficiency can be improved, ensures construction quality, and economical, environmentally protective.
Description
Technical field
The present invention relates to civil engineering technical fields, and in particular to a kind of assembled steel-mixed bondbeam shear connector.
Background technology
Steel-mixed bondbeam refers to connect integral by shear connector with concrete slab by girder steel and consider common
The bridge structure form of stress.In compressive region using concrete structure, tensile region uses steel construction, gives full play to bondbeam
The advantages of two kinds of steel, concrete materials；Meanwhile composite beam bridge, convenient for being factory produced, installation quality is high, operating expenses
It is low, construction speed is fast.In addition to superior mechanical property and workability, steel-mixed bondbeam has good economy, is suitable for
Medium and small span bridge, bondbeam proportion was also gradually increasing in domestic newly building bridge in recent years.
The girder steel and concrete slab of bondbeam are prefabricated in advance in factory, and the wet seam of cast in situs is made by shear connector
Girder steel connects into an entirety with concrete slab and works together.Shear connector is steel-mixed bondbeam connection girder steel and beams of concrete
Key constructs, it is to restrict the bottle of bondbeam industrialization assembling that the concrete in bondbeam shear connector region, which uses cast in situs,
Neck, low construction efficiency, construction quality are difficult to guarantee, it is difficult to meet the big demand that current bondbeam industrialized production assembling is implemented.
And now big precast segment fabricated construction is the industrialized inevitable outcome of bridge industry, meets green, economy, sustainable hair
Exhibition theory.Therefore, it is necessary to a kind of high-performance shear connectors for adapting to Steel-concrete Composite Beams fabricated construction.
Invention content
The present invention is directed to the above-mentioned deficiency of the prior art, provides one kind and adapts to Steel-concrete Composite Beams assembled and applies
The assembled steel of work-mixed bondbeam shear connector.
In order to solve the above technical problems, present invention employs following technical proposals：
A kind of assembled steel-mixed bondbeam shear connector is provided, it is concrete prefabricated including concrete prefabricated board and girder steel
Several secondary pouring holes are evenly distributed on plate, secondary pouring hole is interior to pour plate filled with secondary, and secondary pour in plate is uniformly buried
The top on head and screw rod equipped with high-strength bolt, the lower part of high-strength bolt and the top flange of girder steel are through connection, high-strength bolt
Be respectively arranged with top nut and bottom nut with the top and bottom at the link position of top flange, top nut and top flange it
Between be provided with top surface fill plate, bottom surface fill plate is provided between bottom nut and top flange.
In above-mentioned technical proposal, it is preferred that secondary pouring hole is a rectangular opening, and the secondary plate that pours is one and secondary pouring hole
The identical platy structure of shape.
In above-mentioned technical proposal, it is preferred that the shape of top fill plate is similar to the secondary plate bottom shape that pours, top fill plate
Offer bolt hole in advance.
In above-mentioned technical proposal, it is preferred that bottom surface fill plate is to journey setting and the top flange lower surface of steel beam web plate both sides, bottom
Face fill plate is identical with top fill plate along the length of girder steel radial direction.
In above-mentioned technical proposal, it is preferred that the pre-manufactured hole for installing high-strength bolt is provided on top flange, pre-manufactured hole is in
Ellipse, transverse direction are identical with the longitudinal direction of girder steel.
In above-mentioned technical proposal, it is preferred that the material of concrete prefabricated board be normal concrete, the secondary material for pouring plate
For UHPC concrete；Top fill plate and bottom fill plate are steel plate.
The main advantageous effect of above-mentioned assembled steel provided by the invention-mixed bondbeam shear connector is：
WELDING STUDS is replaced, and high-strength bolt, top nut and top fill plate are passed through into UHPC coagulations by using high-strength bolt
Soil with concreting is hardened merges to form shear connector so that it is live when girder steel is connect with concrete slab, it is only necessary to lead to
It crosses and connect shear connector with girder steel, you can it is quick that girder steel is made to be combined into entirety with concrete slab, construction efficiency can be improved,
Ensure construction quality, and economical, environmentally protective.
By by high-strength bolt bury it is secondary pour in plate, compared in existing shear connector by bolt or WELDING STUDS and coagulation
The separated structure of soil, can significantly improve construction efficiency, and by the secondary head for pouring fully wrapped around high-strength bolt in plate,
And then the secondary frictional force poured between plate and high-strength bolt can be improved, and then improve the shear behavior of shear connector；Meanwhile pass through
High-strength bolt and the secondary interaction poured between plate, moreover it is possible to balance the pulling capacity between girder steel and concrete slab.
By setting top nut and bottom nut, it is unlikely to squeeze shearing in the high-strength bolt for assembling shear connector
Concrete slab around connector, and then ensure that between two pieces of steel fill plates up and down very big precompression can also be generated；By setting
Top set portion fill plate and bottom fill plate can increase friction area, and then increase frictional resistance, improve shear behavior；By will be upper
The pre-manufactured hole on the edge of a wing is set as ellipse, convenient for the assembly of girder steel and shear connector.
Description of the drawings
Fig. 1 is the overall structure diagram of assembled steel-mixed bondbeam shear connector.
Fig. 2 is the structure diagram of concrete prefabricated board.
Fig. 3 is the secondary structure diagram for pouring plate.
Wherein, 1, concrete prefabricated board, 11, it is secondary pour plate, 12, secondary pouring hole, 2, high-strength bolt, 21, top spiral shell
Cap, 22, bottom nut, 3, girder steel, 31, top flange, 311, bolt hole, 32, steel beam web plate, 41, bottom surface fill plate, 42, top surface fills out
Plate.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in Figure 1, its structure diagram for assembled steel-mixed bondbeam shear connector.
The assembled steel of the present invention-mixed bondbeam shear connector includes concrete prefabricated board 1 and girder steel 3, concrete prefabricated board 1
On be evenly distributed with several secondary pouring holes 12, pours plate 11, secondary pouring hole 12 1 filled with secondary in secondary pouring hole 12
As for rectangular opening, pour and install to facilitate, or other shapes, the secondary plate 11 that pours is one and secondary 12 shape of pouring hole
The identical platy structure of shape.
The secondary top for pouring head and screw rod that high-strength bolt 2 is uniformly embedded in plate 12, the lower part of high-strength bolt 2 with
The top flange 31 of girder steel 3 is provided with the pre-manufactured hole 311 for installing high-strength bolt 2 in connection, top flange 31, such as Fig. 3 institutes
Show, pre-manufactured hole 311 is oval, and transverse direction is identical with the longitudinal direction of girder steel 2.
High-strength bolt 2 is respectively arranged with top nut 21 and bottom spiral shell with the top and bottom at 31 link position of top flange
Cap 22, is provided with top surface fill plate 42 between top nut 21 and top flange 31, the shape of top fill plate 42 pours plate 11 with secondary
Bottom shape is similar, and bolt hole is offered in advance on top fill plate 42.
Bottom surface fill plate 42 is provided between bottom nut 22 and top flange 31, bottom surface fill plate 41 is symmetrical arranged and steel beam web plate
31 lower surface of top flange of 32 both sides, bottom surface fill plate 41 is identical with top fill plate 42 along the length of 3 radial direction of girder steel, bottom surface fill plate 41
On equally offer bolt hole in advance.
Wherein, the material of concrete prefabricated board 1 is normal concrete, and the secondary material for pouring plate 11 is UHPC concrete；
Top fill plate 42 and bottom fill plate 41 are steel plate.
In actual use, it makes concrete prefabricated board 1 in the factory first, and reserves secondary pouring hole 12, such as Fig. 2
It is shown, embedment high-strength bolt 2, top nut 21 in secondary pouring hole 12, and filled out at the top of the setting of secondary 12 bottom of pouring hole
After plate 42, UHPC concrete is poured into secondary pouring hole 12, formation is secondary to pour plate 11；High-strength bolt 2, top nut at this time
21 collectively form shear connector with top fill plate 42.
When assembled at the construction field (site), the threaded shank of the high-strength bolt 2 in shear connector is passed through to the top flange 31 of girder steel 3
On pre-manufactured hole 311, be then set with upper bottom portion fill plate 41 again, and tighten bottom nut 22, girder steel 3 made to be formed with concrete whole
Body completes the assembly of steel-mixed bondbeam.
WELDING STUDS is replaced, and high-strength bolt 2, top nut 21 and top fill plate 42 are passed through by using high-strength bolt 2
UHPC concrete is combined with the secondary plate 11 that pours and forms shear connector so that when girder steel 3 is connect by scene with concrete,
It needs by the way that shear connector is connect with girder steel 3, you can it is quick that girder steel 3 is made to be combined into entirety with concrete slab, it can improve
Construction efficiency ensures construction quality, and economical, environmentally protective.
The specific embodiment of the present invention is described above, in order to facilitate understanding by those skilled in the art this hair
It is bright, it should be apparent that the present invention is not limited to the range of specific embodiment, for those skilled in the art,
As long as various change in the spirit and scope of the present invention that appended claim limits and determines, these variations are aobvious and easy
See, all are using the innovation and creation of present inventive concept in the row of protection.
Claims (6)
1. a kind of assembled steel-mixed bondbeam shear connector, which is characterized in that including concrete prefabricated board (1) and girder steel (3), mix
Several secondary pouring holes (12) are evenly distributed on solidifying soil prefabricated board (1), secondary pouring hole (12) is interior to pour plate filled with secondary
(11), the secondary top for pouring head and screw rod that high-strength bolt (2) is uniformly embedded in plate (11), under high-strength bolt (2)
The top flange (31) of portion and girder steel (3) is through connecting, high-strength bolt (2) and the top and bottom at top flange (31) link position
Top nut (21) and bottom nut (22) are respectively arranged with, top surface is provided between top nut (21) and top flange (31) and fills out
Plate (42) is provided with bottom surface fill plate (41) between bottom nut (22) and top flange (31).
2. assembled steel according to claim 1-mixed bondbeam shear connector, which is characterized in that the secondary pouring hole
(12) it is a rectangular opening, the secondary plate (11) that pours is a platy structure identical with secondary pouring hole (12) shape.
3. assembled steel according to claim 2-mixed bondbeam shear connector, which is characterized in that the top fill plate (42)
Shape pour that plate (11) bottom shape is similar, and top fill plate (42) offers bolt hole in advance to secondary.
4. assembled steel according to claim 2-mixed bondbeam shear connector, which is characterized in that the bottom surface fill plate (41)
It is symmetrical arranged top flange (31) lower surface with steel beam web plate (32) both sides, length of the bottom surface fill plate (41) along girder steel (3) radial direction
It is identical with top fill plate (42).
5. assembled steel according to claim 1-mixed bondbeam shear connector, which is characterized in that on the top flange (31)
The pre-manufactured hole (311) for installing high-strength bolt (2) is provided with, pre-manufactured hole (311) is oval, transverse direction and girder steel
(2) longitudinal direction is identical.
6. assembled steel according to claim 1-mixed bondbeam shear connector, which is characterized in that the concrete prefabricated board
(1) material is normal concrete, and the secondary material for pouring plate (11) is UHPC concrete；The top fill plate (42) and bottom are filled out
Plate (41) is steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478668.7A CN108193588A (en) | 2017-12-29 | 2017-12-29 | A kind of assembled steel-mixed bondbeam shear connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478668.7A CN108193588A (en) | 2017-12-29 | 2017-12-29 | A kind of assembled steel-mixed bondbeam shear connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108193588A true CN108193588A (en) | 2018-06-22 |
Family
ID=62586573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711478668.7A Pending CN108193588A (en) | 2017-12-29 | 2017-12-29 | A kind of assembled steel-mixed bondbeam shear connector |
Country Status (1)
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| CN (1) | CN108193588A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108660922A (en) * | 2018-06-30 | 2018-10-16 | 西南交通大学 | Steel-concrete connection structure and its shear connector |
| CN109736198A (en) * | 2018-12-07 | 2019-05-10 | 东南大学 | A kind of combined type interface is tightly connected high-performance steel-UHPC thin plate combined structure system in advance |
| CN109779148A (en) * | 2019-03-06 | 2019-05-21 | 湖南城市学院 | A kind of dismountable assembled steel-concrete composite beam |
| CN109930467A (en) * | 2019-04-10 | 2019-06-25 | 西南交通大学 | Steel-ECC- concrete combination beam and preparation method thereof |
| CN110863428A (en) * | 2019-11-12 | 2020-03-06 | 同济大学 | Assembled steel-UHPC combined structure based on bolted connection |
| CN111749117A (en) * | 2020-06-18 | 2020-10-09 | 苏交科集团股份有限公司 | Dumbbell-shaped stud shear connector and construction method thereof |
| CN113463771A (en) * | 2021-05-21 | 2021-10-01 | 北京航空航天大学 | Steel beam connecting structure, steel-concrete composite slab beam and construction method |
| CN113550445A (en) * | 2021-05-21 | 2021-10-26 | 北京航空航天大学 | Longitudinal connecting structure of steel beam, steel-concrete combined beam and construction method |
| CN114411964A (en) * | 2022-02-25 | 2022-04-29 | 西安建筑科技大学 | Prefabricated steel-concrete composite beam connected by adopting reamed hole bolts and construction method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105239720A (en) * | 2015-11-18 | 2016-01-13 | 湖南大学 | Prefabricated assembled steel-concrete composite beam connected by adopting high-strength bolt |
| CN105256723A (en) * | 2015-09-01 | 2016-01-20 | 中铁大桥勘测设计院集团有限公司 | Multi-girder section steel-doublelayer concrete bridge deck composite beam implementing technology |
| KR101661644B1 (en) * | 2015-07-29 | 2016-10-10 | 한국건설기술연구원 | Girder using precast slab connection block and precast slab construction method therewith |
| CN106968180A (en) * | 2017-04-20 | 2017-07-21 | 崔冰 | A kind of dry type connection method of the concrete slab and girder steel of steel reinforced concrete combination beam |
| CN107190633A (en) * | 2017-07-27 | 2017-09-22 | 长安大学 | A kind of connecting structure of steel-concrete combination beam |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101661644B1 (en) * | 2015-07-29 | 2016-10-10 | 한국건설기술연구원 | Girder using precast slab connection block and precast slab construction method therewith |
| CN105256723A (en) * | 2015-09-01 | 2016-01-20 | 中铁大桥勘测设计院集团有限公司 | Multi-girder section steel-doublelayer concrete bridge deck composite beam implementing technology |
| CN105239720A (en) * | 2015-11-18 | 2016-01-13 | 湖南大学 | Prefabricated assembled steel-concrete composite beam connected by adopting high-strength bolt |
| CN106968180A (en) * | 2017-04-20 | 2017-07-21 | 崔冰 | A kind of dry type connection method of the concrete slab and girder steel of steel reinforced concrete combination beam |
| CN107190633A (en) * | 2017-07-27 | 2017-09-22 | 长安大学 | A kind of connecting structure of steel-concrete combination beam |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108660922A (en) * | 2018-06-30 | 2018-10-16 | 西南交通大学 | Steel-concrete connection structure and its shear connector |
| CN108660922B (en) * | 2018-06-30 | 2023-08-11 | 西南交通大学 | Steel-concrete connecting structure and shear connector thereof |
| CN109736198A (en) * | 2018-12-07 | 2019-05-10 | 东南大学 | A kind of combined type interface is tightly connected high-performance steel-UHPC thin plate combined structure system in advance |
| CN109779148A (en) * | 2019-03-06 | 2019-05-21 | 湖南城市学院 | A kind of dismountable assembled steel-concrete composite beam |
| CN109930467A (en) * | 2019-04-10 | 2019-06-25 | 西南交通大学 | Steel-ECC- concrete combination beam and preparation method thereof |
| CN109930467B (en) * | 2019-04-10 | 2023-10-10 | 西南交通大学 | Steel-ECC-concrete composite beam and preparation method thereof |
| CN110863428A (en) * | 2019-11-12 | 2020-03-06 | 同济大学 | Assembled steel-UHPC combined structure based on bolted connection |
| CN111749117A (en) * | 2020-06-18 | 2020-10-09 | 苏交科集团股份有限公司 | Dumbbell-shaped stud shear connector and construction method thereof |
| CN113463771A (en) * | 2021-05-21 | 2021-10-01 | 北京航空航天大学 | Steel beam connecting structure, steel-concrete composite slab beam and construction method |
| CN113550445A (en) * | 2021-05-21 | 2021-10-26 | 北京航空航天大学 | Longitudinal connecting structure of steel beam, steel-concrete combined beam and construction method |
| CN114411964A (en) * | 2022-02-25 | 2022-04-29 | 西安建筑科技大学 | Prefabricated steel-concrete composite beam connected by adopting reamed hole bolts and construction method thereof |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180622 |
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| RJ01 | Rejection of invention patent application after publication |