CN208685457U - Cast-in-place box beam bracket device - Google Patents
Cast-in-place box beam bracket device Download PDFInfo
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- CN208685457U CN208685457U CN201821042277.0U CN201821042277U CN208685457U CN 208685457 U CN208685457 U CN 208685457U CN 201821042277 U CN201821042277 U CN 201821042277U CN 208685457 U CN208685457 U CN 208685457U
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- box beam
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- steel pipe
- beam bracket
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Abstract
The utility model discloses a kind of cast-in-place box beam bracket devices, comprising: the first box beam bracket, the second box beam bracket, first box beam bracket are arranged in the second box beam, and first box beam bracket and the second box beam bracket difference are arc-shaped arranged symmetrically.In this way, cast-in-place box beam bracket device provided by the utility model, using common type bridge pier and monoblock type continuous box girder which poured in place construction technology, suitable for complicated precipitous extreme terrain, solves the problems, such as the small labyrinth radius box beam bracket of superelevation, bracket as upper layer and lower layer box beam simultaneously, improves the efficiency and quality to construction task.
Description
Technical field
The utility model relates to technical field of bridge construction more particularly to a kind of cast-in-place box beam bracket devices.
Background technique
As highway in China building cause is grown rapidly, the bridge construction as highway construction important component is also obtained
Corresponding development, the bridge construction across great river straits are also built in succession, and cast-in-place construction technical application is extensive at present, but for bridge
The requirement of construction is faced with the problems such as duration is tight, task is heavy, the communication signal in construction area is poor, and especially highly big, curve is partly
The degree-of-difficulty factor of the small bracket of diameter enhances, when implementing for the difficulty of steel pipe post verticality, welding quality and bracket monitoring
Degree all it is difficult to ensure that, greatly reduce the efficiency and quality of construction task, steel pipe post verticality is difficult to ensure, easily cause compared with
Big security risk.
Utility model content
The purpose of the utility model is to provide a kind of cast-in-place box beam bracket devices.
Cast-in-place box beam bracket device provided by the utility model, including the first box beam bracket, the second box beam bracket, it is described
First box beam bracket, the second box beam bracket are public in middle position overlapping, and first box beam bracket is arranged in the second box beam branch
On frame, first box beam bracket and the second box beam bracket difference are arc-shaped arranged symmetrically.
Cast-in-place box beam bracket device provided by the utility model uses common type bridge pier and monoblock type cast-in-situ continuous beam
Bridge construction technology is suitable for complicated precipitous extreme terrain, solves the problems, such as small labyrinth radius and highly big bracket, can make simultaneously
The bracket of upper layer and lower layer box beam improves efficiency and quality to construction task, secure to the safety of construction task.
Detailed description of the invention
Fig. 1,2 be cast-in-place box beam bracket device provided by the utility model structural schematic diagram；
Marked in the figure: the first box beam bracket of 1-, the second box beam bracket of 2-, 3- beam column bracket, 4- bridge pier, 5- bridge.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
As shown in Figure 1, 2, cast-in-place box beam bracket device provided by the present embodiment, including the first box beam bracket 1, the second case
Boom support 2 and beam column bracket 3, first box beam bracket 1 are arranged on the second box beam pillar 2, first box beam bracket 1
And second box beam bracket 2 distinguish it is arc-shaped be symmetrical arranged.
It will be understood by those skilled in the art that cast-in-place box beam bracket device provided by the present embodiment uses common type bridge pier
And monoblock type continuous box girder which poured in place construction technology, it is suitable for complicated precipitous extreme terrain, solves small labyrinth radius and height is big
Bracket problem, the bracket of upper layer and lower layer box beam can be made simultaneously, efficiency and quality to construction task are improved, to construction task
Safety it is secure.
Further, vertically and horizontally ratio of slope, longitudinal slope are set as unidirectional 4.5% gradual change to 5.4% for 5 top surface of the bridge setting；Horizontal slope
It is set as two-way 1.5%, High High Level is set to unidirectional 1.5%, and the circular curve from straightway gradual change to R=65m is arranged in the bridge 5
On.
Further, the cast-in-place box beam bracket device further includes beam column bracket 3, and the beam column bracket 3 includes steel pipe column, shellfish
Lei Liang, stamping die sandbox, transverse distribution beam, longitudinal lumps of wood and ring flange；The steel pipe column be separately positioned on bridge end position and across
On middle position；It is successively equipped with stamping die sandbox, transverse distribution beam, Bailey beam, longitudinal lumps of wood from bottom to top simultaneously at the top of the steel pipe column
It is fixedly connected by the ring flange.
Cast-in-place box beam bracket device provided by the present embodiment reduces the difficulty to bracket monitoring, improves bracket benefit
It is secure to the safety of construction task with rate.
Further, the Bailey beam includes beret slice, and the beret slice is using three row of single layer and single layer is double is arranged symmetrically
Two sides and span centre with box beam center line；The every 3m of beret slice is reinforced using standard support frame, between the beret slice two rows
It is connected using 45cm standard support frame, is connected between three rows using 90cm standard support frame.
It will be understood by those skilled in the art that every row's Bailey beam is all made of the assembling of standard beret slice.As span is not able to satisfy
When needing, according to practical span, increase non-standard bailey trestle, final principle is that the span of Bailey beam bracket can satisfy and apply
Work requirement.In curved section, often across both ends settings are identical as the box beam, and span centre is set using the arrangement of eight Pin single layers three.
Further, the cross section of the beret slice uses C16 reinforcing bar, and 2, every 6m section is attached；The beret slice edge
Horizontal direction is connected integral using pier stud.
Beret slice cross section is attached using 2, the every 6m section of C16 reinforcing bar, due to beret slice boom support be inclination by
Power is computed, and every group of beret slice maximum horizontal power is 25KN, using before platform embedded bar to every row's Bailey beam drawknot, platform tail
It is withstood using fashioned iron；Remaining beret slice horizontal force across part connects into whole solution using pier column, can meet the requirements.
Further, it is connected between the Bailey beam and the transverse distribution beam using U-shaped reinforcing bar, the U-shaped reinforcing bar blocks
The lower boom of the beret slice simultaneously fixes the U-shaped steel muscle and the transverse distribution beam.
It will be understood by those skilled in the art that the Bailey beam presses the whole span assembly molding of design on the ground, using tower
It is in place to hang the artificial lifting of cooperation, dropping place is on the lateral girder I45b I-steel.Erection sequence is symmetrical after first installing centre
Lift the Bailey beam on both sides.After beret slice lifting is in place, beret slice cross-brace is installed in time according to design drawing, to guarantee shellfish
The lateral stability of Lei Liang.Special messenger commander is lifted, lifting and whereabouts must be steady, and avoid the structures such as column from causing to impact, with
Ensure safety.
Further, it is 630mm steel pipe column that two rows of diameters are often had at abutment, bridge pier；Span centre and a quarter across
Position sets steel pipe post.
It will be understood by those skilled in the art that box beam casting is three Room prestressed concrete box girder of single case, design is using vertical
To adding transverse prestress system.The cast-in-situ box girder device does stress pillar using φ 630 (δ=10mm) steel pipe, and beret slice is done
Stress stringer.
Further, the transverse distribution beam includes the first lateral I-steel and the second lateral I-steel, in the Bailey beam
Upper and lower ends be separately connected the described first lateral I-steel and the second lateral I-steel；The stamping die sandbox is equipped with 3 and spells work
Word steel forms an entirety as the first lateral I-steel and in the described first lateral I-steel both ends welding steel；The stamping die
Sandbox top two sides setting steel plate block is simultaneously close to the described first lateral I-steel and is welded on the center bearing bracket of the box beam；
Described second lateral I-steel is laterally uniform to be connect in Bailey beam and using U shape reinforcing bar between Bailey beam.
It will be understood by those skilled in the art that the described first lateral I-steel is I45b I-steel, the second lateral I-steel
For I20a I-steel, to be provided with stamping die sandbox, the i.e. a height of 1020mm of sandbox, institute in every steel pipe top convenient for dropping bracket
It states I-steel set on sandbox and makees lateral girder, the second lateral I-steel provided by the present embodiment can be used as transverse distribution
Beam, it is mobile to limit I-steel by the way that block is arranged to stamping die sandbox top two sides.
Further, it uses channel steel as bridging between the steel pipe column, laterally, between longitudinal steel pipe column is connected with each other.
It will be understood by those skilled in the art that the steel pipe column both ends are equipped with ring flange；The stamping die sandbox and steel pipe column
Top is bolted using ring flange；It is bolted using ring flange with steel plate between the steel pipe column.
Steel pipe column assembly and welding are carried out it will be understood by those skilled in the art that concentrating at the construction field (site).It is pre- according to stake top
It buries steel plate absolute altitude and beam floor level determines final every place's steel pipe column height.Every steel pipe column height fully considers all kinds of I-shapeds
The height such as steel, the lumps of wood, sandbox, beret slice, ring flange, all surveys its length to every steel pipe column, after preventing more steel pipe connections
There are cumulative errors.Steel pipe intercolumniation is bolted using ring flange steel plate.Steel pipe and ring flange using welding, and steel pipe column with
8 pieces of triangle Q235 batten plates (100mm*100mm*16mm) are welded between ring flange, guarantee welding quality.In every steel pipe and flange
When disk all needs accurately to weld, guarantee that tube wall is on same axis when steel pipe column connection.Every steel pipe column is successively installed at the scene.
Consider that single steel pipe column most weighs about as 1.38t, in conjunction with live actual place situation, 4 56m tower cranes of proposed adoption carry out lifting work
Industry.Rear steel pipe column bottom is installed in place to be welded and fixed with pre-embedded steel slab, when welding, first has to the verticality of adjustment steel pipe column,
Deviation is not greater than 0.1% and maximum deviation is not more than 1cm.
Further, it is equipped with job platform at the top of the steel pipe column, the job platform includes steel triangle body panel and plank；
Reinforcing bar ladder is welded on the steel pipe column outer wall, the every root long of transverse steel of the reinforcing bar ladder is 60cm, spacing 40cm.
It will be understood by those skilled in the art that job platform can be arranged in steel pipe column top for convenient for strutting system construction, lead to
It crosses the steel triangle body panel of 4 ∠ 63 of welding and is laid with plank, while welding C20 reinforcing bar ladder, spacing on steel pipe column outer wall
40cm, every root long 60cm, above and below personnel.
Further, it is equipped with job platform at the top of the steel pipe column, the job platform includes steel triangle body panel and plank；
The steel pipe column outer wall is erected with double-layer pipe scaffold and is laid with the plank.
It will be understood by those skilled in the art that setting up double-layer pipe scaffold and being laid with plank, installs and grasp as each structure
Make platform.Every row's steel pipe post after the installation is completed, welds transverse channel steels connection system, front two rows steel pipe in time between steel pipe post
Column welds longitudinal channel steel connection system in time after the installation is completed, is allowed to form an entirety, improves stability.Longitudinally connected system is
Vertical every 9m is arranged together, and lateral connection system is laterally every one of 9m setting.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (7)
1. a kind of cast-in-place box beam bracket device, which is characterized in that including the first box beam bracket (1), the second box beam bracket (2), institute
It is public in middle position overlapping to state the first box beam bracket (1), the second box beam bracket (2), the first box beam bracket (1) setting exists
On second box beam bracket (2), first box beam bracket (1) and the second box beam bracket (2) are arc-shaped arranged symmetrically respectively.
2. cast-in-place box beam bracket device as described in claim 1, which is characterized in that further include beam column bracket (3), the beam column
Bracket (3) includes steel pipe column, Bailey beam, stamping die sandbox, transverse distribution beam, longitudinal lumps of wood and ring flange；The steel pipe column point
It She Zhi not be on bridge end position and span centre position；Stamping die sandbox, transverse distribution are successively equipped at the top of the steel pipe column from bottom to top
Beam, Bailey beam, longitudinal lumps of wood.
3. cast-in-place box beam bracket device as claimed in claim 2, which is characterized in that the Bailey beam includes beret slice, described
Center bearing bracket two sides and the span centre of the box beam is arranged in the whole span assembly of beret slice；45cm is used between the beret slice two rows
Standard support frame is connected, and is connected between three rows using 90cm standard support frame.
4. cast-in-place box beam bracket device as claimed in claim 3, which is characterized in that the transverse distribution beam includes first lateral
I-steel and the second lateral I-steel are separately connected the described first lateral I-steel and second in the upper and lower ends of the Bailey beam
Lateral I-steel；The stamping die sandbox is equipped with 3 and spells I-steel as the first lateral I-steel and in the described first lateral I-shaped
Steel both ends welding steel forms an entirety；Stamping die sandbox top two sides be arranged steel plate block and with the described first lateral I-shaped
Steel is close to and is welded on the center bearing bracket of the box beam；The second lateral I-steel it is laterally uniform in Bailey beam simultaneously
It is connect between Bailey beam using U-shaped reinforcing bar.
5. cast-in-place box beam bracket device as claimed in claim 3, which is characterized in that the steel pipe column transverse direction, longitudinal steel pipe column
Between mutually using bridging connect it is integral.
6. cast-in-place box beam bracket device as claimed in claim 3, which is characterized in that the steel pipe column both ends are equipped with ring flange；
It is bolted at the top of the stamping die sandbox and steel pipe column using ring flange；It is connected between the steel pipe column using ring flange.
7. cast-in-place box beam bracket device as claimed in claim 3, which is characterized in that be equipped with operation horizontal at the top of the steel pipe column
Platform, the job platform include steelframe platform；Reinforcing bar ladder is welded on the steel pipe column outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821042277.0U CN208685457U (en) | 2018-06-29 | 2018-06-29 | Cast-in-place box beam bracket device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821042277.0U CN208685457U (en) | 2018-06-29 | 2018-06-29 | Cast-in-place box beam bracket device |
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| Publication Number | Publication Date |
|---|---|
| CN208685457U true CN208685457U (en) | 2019-04-02 |
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ID=65879663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821042277.0U Active CN208685457U (en) | 2018-06-29 | 2018-06-29 | Cast-in-place box beam bracket device |
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| CN (1) | CN208685457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554063A (en) * | 2020-11-27 | 2021-03-26 | 中交路桥建设有限公司 | Turning method for cast-in-situ beam composite support with long span, small radius and high pier |
-
2018
- 2018-06-29 CN CN201821042277.0U patent/CN208685457U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554063A (en) * | 2020-11-27 | 2021-03-26 | 中交路桥建设有限公司 | Turning method for cast-in-situ beam composite support with long span, small radius and high pier |
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