CN110373987A - A kind of box beam fast installs composite structure and its installation method - Google Patents
A kind of box beam fast installs composite structure and its installation method Download PDFInfo
- Publication number
- CN110373987A CN110373987A CN201910671381.9A CN201910671381A CN110373987A CN 110373987 A CN110373987 A CN 110373987A CN 201910671381 A CN201910671381 A CN 201910671381A CN 110373987 A CN110373987 A CN 110373987A
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- China
- Prior art keywords
- pin
- box girder
- steel box
- hole
- concrete roof
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- 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
- 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
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
-
- 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
Abstract
The present invention provides a kind of box beams fast to install composite structure and its installation method, including multiple steel box girder segments and fastener to be installed, it is equipped with inside the concrete roof side of steel box girder segment to be installed and extends in outer deformed bar, internal cavity is arranged in opposite side；Fastener is made of L-type positioning plate, pin, pin plate, L-type positioning plate horizontal sides are bonded with the concrete roof top surface of two neighboring steel box girder segment to be installed, vertical edge is bonded with side, pin is vertically fixedly connected in L-type positioning plate horizontal sides, and the side wall ring of the remotely located plate one end of pin is circumferentially with the first locked groove；Pin plate is the sheet metal that flexible deformation occurs under external force, and pin plate side is equipped with the wedged hole of perforation；The position that pin is corresponded on the concrete roof of steel box girder segment to be installed opens up the first positioning hole of perforation.Installation composite structure of the invention and installation method simplify site operation step, shorten the construction time, improve construction efficiency.
Description
Technical field
The present invention relates to steel structure technology fields, fast install composite structure and its installation side more particularly, to a kind of box beam
Method.
Background technique
Steel box-girder is one of the primary structure form of current large-span steel bridge girder, is by the upper and lower edge of a wing with longitudinal and transverse rib
With the box structure of web composition.More box beam steel bridges are to be connected by multiple steel box-girders by crossbeam.The tradition of crossbeam and cabinet is even
The mode of connecing is full welding or bolt-weld joint, site welding, increases difficulty of construction, and weldquality is easy existing defects,
Under carload effect, easily causes the cracking of steel, bring serious security problem.
Summary of the invention
The object of the present invention is to provide a kind of box beams fast to install composite structure and its installation method, to solve existing skill
The above problem present in art.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of box beam fast installs composite structure, including multiple steel box girder segments to be installed, the steel box girder segment packet
Include concrete roof, Wavelike steel webplate and concrete floor interconnected；The concrete roof one of steel box girder segment to be installed
Several deformed bars extended in outside concrete roof are equipped with inside side, if the side opposite with deformed bar is correspondingly arranged
Dry internal cavity；
It further include fastener, the fastener is made of L-type positioning plate, at least two pins, pin plate, the L-type positioning
Plate horizontal sides are bonded with the concrete roof top surface of two neighboring steel box girder segment to be installed, vertical edge and concrete roof side
Fitting, the pin is vertically fixedly connected in the L-type positioning plate horizontal sides, and two neighboring steel box girder segment pair to be installed
At least one pin, side wall ring week of the pin far from described positioning plate one end are fixedly installed on the L-type positioning plate part answered
To equipped with the first locked groove；The pin plate is the sheet metal that flexible deformation occurs under external force, and the pin plate side is equipped with
The wedged hole of perforation；The position that pin is corresponded on the concrete roof of two neighboring steel box girder segment to be installed opens up the of perforation
A positioning hole.
Further, the side on the pin plate far from wedged hole opens up several second location holes, with second positioning
The third location hole of perforation is opened up on the concrete roof of corresponding two steel box girder segments to be installed in hole；It further include reinforcing vertically
Muscle, the vertical reinforcing rib run through the second location hole and third location hole.
Further, the internal cavity is connected with the third location hole.
Further, between the vertical reinforcing rib and the second location hole and the hole wall of third location hole, and it is pre-
Grouting seam is respectively formed between stress reinforcing bar and the cavity wall of internal cavity.
Further, the concrete top of the width of the vertical edge of the L-type positioning plate and the steel box girder segment to be installed
Plate thickness is identical.
The present invention also provides the installation methods that a kind of box beam fast installs composite structure, comprising:
(1) prefabricated steel box girder segment: concrete roof, Wavelike steel webplate and the concrete floor of steel box girder segment carry out pre-
Type, the prefabricated several deformed bars extended in outside concrete roof inside the side of concrete roof, with prestress steel are made
The opposite side of muscle corresponds to prefabricated several internal cavities；
(2) by the deformed bar of any one in two neighboring steel box girder segment to be installed interior sky corresponding with another
Chamber carries out grafting, makes two neighboring steel box girder segment pre-connection to be installed；
(3) L-type positioning plate horizontal sides are bonded with the concrete roof top surface of two neighboring steel box girder segment to be installed, are erected
Straight flange is bonded with concrete roof side, and makes pin through the first positioning hole；
(4) the larger end cap of the wedged hole of pin plate is entered into pin, and pushes pin plate along the gradually smaller direction of wedged hole,
The small end and first locked groove for making wedged hole cooperate, and lock to the first locked groove of pin；
(5) when first locked groove of the pin plate to pin locks, the second location hole and third position of positioning hole are corresponding,
Make vertical reinforcing rib through the second location hole and third location hole；
(6) note in the grouting seam formed between Xiang Shuzhi reinforcing rib and the second location hole and the hole wall of third location hole
Enter concrete grouting material, completes the concreting of vertical reinforcing rib and deformed bar.
A kind of box beam of the invention fast installs composite structure and its installation method, overcome traditional crossbeam and cabinet it
Between welding or bolt-weld joint, and site welding, the defect that difficulty of construction is big entirely, and avoid weldquality and be easy to exist and lack
It falls into, under carload effect, the case where easily causing the cracking of steel, bring serious security problem.Installation group of the invention
It closes structure and installation method simplifies site operation step, shorten the construction time, improve construction efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is that a kind of box beam of the invention fast installs combining structure schematic diagram；
Fig. 2 is steel box girder segment structural schematic diagram to be installed of the invention；
Fig. 3 is the face A-A schematic cross-sectional view in Fig. 1；
Fig. 4 is pin plate structural schematic diagram of the invention.
Specific embodiment
Below in conjunction with attached drawing of the invention, technical solution of the present invention is clearly and completely described, it is clear that institute
The embodiment of description is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
According to Fig. 1-4, a kind of box beam fast installs composite structure, including multiple steel box girder segments to be installed, institute
Stating steel box girder segment includes concrete roof 1, Wavelike steel webplate 2 and concrete floor 3 interconnected；Steel box girder section to be installed
Several deformed bars 8 extended in outside concrete roof 1 are equipped with inside 1 side of concrete roof of section, with deformed bar 8
Opposite side is correspondingly arranged several internal cavities 801, as shown in Figure 2；
It further include fastener, as shown in Figure 1, the fastener is by L-type positioning plate 4, at least two pins 5,6 structure of pin plate
At 4 horizontal sides of L-type positioning plate are bonded with 1 top surface of concrete roof of two neighboring steel box girder segment to be installed, vertical edge
It is bonded with 1 side of concrete roof, the pin 5 is vertically fixedly connected in 4 horizontal sides of L-type positioning plate, and adjacent two
At least one pin 5 is fixedly installed on corresponding 4 part of L-type positioning plate in a steel box girder segment to be installed, and the pin 5 is far from institute
The side wall ring for stating positioning plate one end is circumferentially with the first locked groove；The pin plate 6 is the gold that flexible deformation occurs under external force
Metal thin plate, 6 side of pin plate are equipped with the wedged hole 601 of perforation, as shown in Figure 4；Two neighboring steel box girder segment to be installed
The position that pin 5 is corresponded on concrete roof 1 opens up the first positioning hole 501 of perforation.
In present embodiment, steel box girder segment to be installed is connected with each other by the deformed bar 8 on concrete roof 1,
On this basis, it is further connected by fastener, fastener includes L-type positioning plate 4, pin 5 and pin plate 6, is set on pin plate 6
Wedged hole 601 is set, when being fixed, the larger end cap of the wedged hole 601 of pin plate 6 is entered into pin 5, and along wedged hole 601
Gradually smaller direction pushes pin plate 6, cooperates the small end of wedged hole 601 and first locked groove, to the first lock of pin 5
Slot 502 is locked, while during this, and based on the Curvature varying of pin plate 6, pin plate 6 is voluntarily locked by elastic force.The present invention changes
The connection type for becoming traditional site welding avoids the problem of soldered quality is easy existing defects, and it is steady to improve combination connection
While solidity, the construction time of shortening, construction efficiency is improved.
In a preferred embodiment, the side on the pin plate 6 far from wedged hole 601 opens up several second positioning
Hole 602 opens up perforation on the concrete roof 1 of two steel box girder segments to be installed corresponding with the second location hole 602
Third location hole 701；It further include vertical reinforcing rib 7, as shown in figure 3, the vertical reinforcing rib 7 runs through the second location hole
602 and third location hole 701.In present embodiment, after pin plate 6 and pin 5 are locked, run through second by vertical reinforcing rib 7
Location hole 602 and third location hole 701, are fixed pin plate 6, and then are locked to pin 5.
In a preferred embodiment, the internal cavity 801 is connected with the third location hole 701.Prefabricated
In the process, convenient for positioning, consequently facilitating production.
In a preferred embodiment, the vertical reinforcing rib 7 and the second location hole 602 and third location hole
Grouting seam is respectively formed between 701 hole wall and between deformed bar 8 and the cavity wall of internal cavity 801.Present embodiment
In, on the basis of internal cavity 801 is connected with the third location hole 701, reserve grouting seam, can after the assembly is completed, from
Filling concrete is carried out at the grouting seam of third location hole 701 on concrete roof 1, and positions concrete slurry from third
The grouting seam in hole 701 flows into internal cavity 801, and from vertical reinforcing rib 7 and deformed bar 8 are fixed, to make whole
A installation composite structure is firm.
In a preferred embodiment, the width of the vertical edge of the L-type positioning plate 4 and the steel box-girder to be installed
1 thickness of concrete roof of segment is identical.
A kind of box beam of the invention fast installs the installation method of composite structure, comprising:
(1) prefabricated steel box girder segment: concrete roof 1, Wavelike steel webplate 2 and the concrete floor 3 of steel box girder segment into
Row is pre-formed, the prefabricated several deformed bars 8 extended in outside concrete roof 1 inside the side of concrete roof 1, and pre-
The opposite side of stress reinforcing bar 8 corresponds to prefabricated several internal cavities 801；
(2) deformed bar 8 of any one in two neighboring steel box girder segment to be installed is corresponding with another interior
Cavity 801 carries out grafting, makes two neighboring steel box girder segment pre-connection to be installed；
(3) 4 horizontal sides of L-type positioning plate are bonded with 1 top surface of concrete roof of two neighboring steel box girder segment to be installed,
Vertical edge is bonded with 1 side of concrete roof, and makes pin 5 through the first positioning hole 501；
(4) the larger end cap of the wedged hole 601 of pin plate 6 is entered into pin 5, and along the gradually smaller direction of wedged hole 601
Pin plate 6 is pushed, cooperates the small end of wedged hole 601 and first locked groove 502, the first locked groove 502 of pin 5 is locked
It is fixed；
(5) when first locked groove 502 of the pin plate 6 to pin 5 locks, the second location hole 602 and third location hole 701
Position is corresponding, makes vertical reinforcing rib 7 through the second location hole 602 and third location hole 701；
(6) filling formed between Xiang Shuzhi reinforcing rib 7 and the second location hole 602 and the hole wall of third location hole 701
Concrete grouting material is injected in slurry seam, completes the concreting of vertical reinforcing rib 7 and deformed bar 8.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. a kind of box beam fast installs composite structure, it is characterised in that: including multiple steel box girder segments to be installed, the steel case
Girder segment includes concrete roof, Wavelike steel webplate and concrete floor interconnected；The coagulation of steel box girder segment to be installed
Several deformed bars extended in outside concrete roof, the side pair opposite with deformed bar are equipped with inside native top plate side
Several internal cavities should be set；
It further include fastener, the fastener is made of L-type positioning plate, at least two pins, pin plate, the L-type positioning plate water
Pingbian is bonded with the concrete roof top surface of two neighboring steel box girder segment to be installed, and vertical edge and concrete roof side are pasted
It closes, the pin is vertically fixedly connected in the L-type positioning plate horizontal sides, and two neighboring steel box girder segment to be installed is corresponding
L-type positioning plate part on be fixedly installed at least one pin, side wall ring of the pin far from described positioning plate one end is circumferential
Equipped with the first locked groove；The pin plate is the sheet metal that flexible deformation occurs under external force, and the pin plate side is equipped with and passes through
Logical wedged hole；The position that pin is corresponded on the concrete roof of two neighboring steel box girder segment to be installed opens up the first of perforation
Location hole.
2. a kind of box beam according to claim 1 fast installs composite structure, it is characterised in that: far from wedge on the pin plate
The side in shape hole opens up several second location holes, the coagulation of two steel box girder segments to be installed corresponding with the second location hole
The third location hole of perforation is opened up on native top plate；It further include vertical reinforcing rib, the vertical reinforcing rib is through second positioning
Hole and third location hole.
3. a kind of box beam according to claim 2 fast installs composite structure, it is characterised in that: the internal cavity with it is described
Third location hole is connected.
4. a kind of box beam according to claim 3 fast installs composite structure, it is characterised in that: the vertical reinforcing rib with
It is respectively formed between the second location hole and the hole wall of third location hole and between deformed bar and the cavity wall of internal cavity
Grouting seam.
5. a kind of box beam according to claim 1,2,3 or 4 fast installs composite structure, it is characterised in that: the L-type is fixed
The width of the vertical edge of position plate is identical as the concrete roof thickness of the steel box girder segment to be installed.
6. a kind of a kind of box beam such as described in any one of claim 1 to 5 fast installs the installation method of composite structure, feature
Be include:
(1) prefabricated steel box girder segment: concrete roof, Wavelike steel webplate and the concrete floor of steel box girder segment are prefabricated into
Type, the prefabricated several deformed bars extended in outside concrete roof in side inside of concrete roof, with deformed bar phase
Pair side correspond to prefabricated several internal cavities；
(2) by the deformed bar of any one in two neighboring steel box girder segment to be installed internal cavity corresponding with another into
Row grafting makes two neighboring steel box girder segment pre-connection to be installed；
(3) L-type positioning plate horizontal sides are bonded with the concrete roof top surface of two neighboring steel box girder segment to be installed, vertical edge
It is bonded with concrete roof side, and makes pin through the first positioning hole；
(4) the larger end cap of the wedged hole of pin plate is entered into pin, and pushes pin plate along the gradually smaller direction of wedged hole, make wedge
The small end in shape hole and first locked groove cooperate, and lock to the first locked groove of pin；
(5) when first locked groove of the pin plate to pin locks, the second location hole and third position of positioning hole are corresponding, make to erect
Straight reinforcing rib runs through the second location hole and third location hole；
(6) injection is mixed in the grouting seam formed between Xiang Shuzhi reinforcing rib and the second location hole and the hole wall of third location hole
Solidifying soil grouting material, completes the concreting of vertical reinforcing rib and deformed bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910671381.9A CN110373987B (en) | 2019-07-24 | 2019-07-24 | Box girder rapid installation combination structure and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910671381.9A CN110373987B (en) | 2019-07-24 | 2019-07-24 | Box girder rapid installation combination structure and installation method thereof |
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| Publication Number | Publication Date |
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| CN110373987A true CN110373987A (en) | 2019-10-25 |
| CN110373987B CN110373987B (en) | 2021-08-03 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110820515A (en) * | 2019-11-18 | 2020-02-21 | 重庆交通建设(集团)有限责任公司 | Steel box girder structure convenient for positioning girder section and construction method thereof |
| CN111438816A (en) * | 2020-03-27 | 2020-07-24 | 苏交科集团股份有限公司 | Construction method of concrete combined box girder integral prefabricated wall type guardrail |
| CN111720099A (en) * | 2020-07-20 | 2020-09-29 | 成都鑫泽机械有限公司 | Beam pumping unit beam structure convenient to install and installation and maintenance method |
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|---|---|
| CN110373987B (en) | 2021-08-03 |
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