CN208486166U - Pile integrated bridge substructure and constructing device - Google Patents
Pile integrated bridge substructure and constructing device Download PDFInfo
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- CN208486166U CN208486166U CN201821058403.1U CN201821058403U CN208486166U CN 208486166 U CN208486166 U CN 208486166U CN 201821058403 U CN201821058403 U CN 201821058403U CN 208486166 U CN208486166 U CN 208486166U
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- bridge
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Abstract
The utility model provides a kind of pile integrated bridge substructure and constructing device, is related to field of bridge construction, in the position of each bridge pier, more prefabricated piles are arranged in juxtaposition, and bent cap is arranged on more prefabricated piles.Constructing device includes: main couple, and main couple is erected at bridge substructure along bridge y direction by supporting leg, and the main couple can be moved along bridge X direction；Piling track, piling track can be mounted on main couple what is both horizontally and vertically overturn, be equipped with piling equipment on piling track.Prefabricated pile is transported to the piling track of horizontality directly or by pile transport vehicle using boom hoisting；Piling track is converted into vertical state, and prefabricated pile is squeezed into design length with piling equipment.By using above scheme, bridge substructure is simple, can use prefabricated component, eliminate suspended deck structure, construction technology significantly simplifies.Using UHPC material, there is high-strength, high resistance to characteristic of waiting so long.
Description
Technical field
The utility model relates to packaged type bridges construction field, especially a kind of pile one convenient for bridge rapid construction
Formula bridge substructure and constructing device.
Background technique
In bridge construction field, prefabricated assembled bridge can effectively improve site operation speed, ensure the matter of structural elements
Amount improves structure durability, application range and has a extensive future.
Currently, for bridge substructure: pile foundation, cushion cap, bridge pier and bent cap, only small part engineering are by bridge pier and bent cap
Realize prefabrication and assembly construction.Substructure realizes that the difficult point of assembling essentially consists in: connecting structure, lifting between prefabricated components are set
It is standby high to construction site requirement.As the research of assembling bridge is more and more, there is the good connection structure of multiple performance
It makes, meets the segment connection of substructure.But pile foundation and bearing platform construction, individually in occupation of major part, are still in construction period
This, proposes a kind of pile integrated bridge substructure constructed using Bridge Erector.
Chinese patent literature CN106988305A describes a kind of pile-column pier construction method of underground integrated molding,
Include: the opposition shell of column subdrilling hole at bridge location, place column steel pile casting, and keeps the outside of dry hole and decentralization column steel pile casting reserved
Fill mortar in gap；It after column is constructed, then carries out the drilling of pile foundation section and places the steel reinforcement cage of pile foundation and column, to pile foundation
With the steel reinforcement cage overall time concrete perfusion of column, completes underground of column and pile foundation and form；Pile foundation and column are primary
After the molding construction of underground, after experience stake is qualified, construction to the bridge for carrying out other lower parts and superstructure has the item that is open to traffic
Part, then excavate the construction of road slope, until construction is completed.Existing roadbed, which is first excavated, this method avoid tradition causes depth
The disadvantage of foundation pit and bracing engineering, it can be ensured that existing road half range construction half range is open to traffic securely and reliably, and design is simple, and construction is fast
Speed, project cost reduce, are preferably minimized to existing traffic impact, promote existing roadbed and change science of bridge building technical level.The construction
Method is the common construction method of the prior art, complex, is occupied long in time limit.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of pile integrated bridge substructures, can be convenient for
The construction of bridge pile is rapidly completed, and can be assembled by the way of prefabricated and assembly.
Another technical problem to be solved in the utility model is to provide a kind of applying for pile integrated bridge substructure
Tooling is set, and can be matched with prefabricated and fabricated bridge substructure, and construction efficiency and construction quality are improved.
Under a kind of in order to solve the above technical problems, the technical scheme adopted by the utility model is: pile integrated bridge
Portion's structure, in the position of each bridge pier, more prefabricated piles are arranged in juxtaposition, and bent cap is arranged on more prefabricated piles.
In preferred scheme, the prefabricated pile is precast segment, and prefabricated pile is interconnected by multiple prefabricated subsections
It forms.
In preferred scheme, prefabricated pile material is ultra-high performance concrete material, is filled in ultra-high performance concrete
There are more metallic fibers, weight ratio of the metallic fiber in ultra-high performance concrete is 0.2% ~ 12%, water-cement ratio 0.14-
0.27。
A kind of constructing device for above-mentioned pile integrated bridge substructure, it includes:
Main couple, main couple are erected at bridge substructure, the main couple energy along bridge y direction by supporting leg
It is enough to be moved along bridge X direction；
Piling track, piling track can be mounted on main couple what is both horizontally and vertically overturn, on piling track
Equipped with piling equipment.
In preferred scheme, the supporting leg includes front leg strut and rear support leg；
The structure of supporting leg are as follows:
Supporting leg below the crossbeam is equipped with multiple telescopic columns, is equipped on supporting leg crossbeam multiple with prefabricated pile lateral position phase
Corresponding station；
At least two traversing bottoms are equipped with the connection structure connecting with corresponding station, and traversing seat is equipped with rolling bearing knot
Structure, the main couple of respective numbers are slidably mounted in rolling bearing structure.
In preferred scheme, it is equipped with adjustable connecting-rod between traversing seat, it is traversing that truss is equipped between traversing seat and supporting leg crossbeam
Telescopic rod.
In preferred scheme, for the piling track installation between main couple, piling track passes through shaft and main couple
Connection is additionally provided with hydraulic flip-arm between piling track and main couple.
In preferred scheme, the pile transport vehicle that can be walked along main couple is additionally provided on main couple, pile transport vehicle is equipped with lifting
Trolley；
The traversing hoisting machine traverse displacement unit of driving lifting trolley is equipped in the side of lifting trolley.
A kind of construction method using above-mentioned pile integrated bridge substructure construction device, comprising the following steps:
S1, prefabricated pile segment are transported to construction site, are then connected pile segment integral；
S2, prefabricated pile is transported to the piling track of horizontality directly or by pile transport vehicle using boom hoisting；
S3, piling track are converted into vertical state, and prefabricated pile is squeezed into design length with piling equipment；
S4, piling track is restored to horizontality, and adjusted to next stake position, repeat above step；
The piling construction of pile integrated bridge substructure is realized by above step.
In preferred scheme, in step s3, mobile leading truck is transported to pile driving position and is installed, movable type is oriented to
After frame accurate positioning, it is fixed with ground；
If desired stake is cut, pile cutting machine is transported to front by pile transport vehicle and is installed, and completes cutting piles.
Ultra-high performance concrete (Ultra-High Performance Concrete, abbreviation UHPC) is a kind of from material
The various aspects such as composition, mix-design, microstructure are different from a kind of novel concrete sill of common high performance concrete,
Mechanical property with higher and higher endurance quality, had become the research hotspot of domestic and international project circle in recent years.It will
UHPC material is applied in bridge structure, will greatly improve the stress performance and durability of structure, and can be by prefabricated components light weight
Change.
A kind of pile integrated bridge substructure provided by the utility model and constructing device, by using above side
Case, bridge substructure is simple, can use prefabricated component, eliminate suspended deck structure, construction technology significantly simplifies.Preferred scheme
In, using UHPC material, there is high-strength, high resistance to characteristic of waiting so long.Pile-column lower junction is carried out using the piling equipment specially designed
Structure installation, no setting is required interim sidewalk or construction bridge are greatly decreased construction cost, improve construction efficiency.In preferred scheme
In, prefabricated pile is directly transported on main couple using the structure of pile transport vehicle, it is only necessary to build construction road to bridge end, nothing
Road under bridge need to be blocked.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 is the whole schematic view of the front view of the utility model.
Fig. 2 is another state entirety schematic view of the front view of the utility model.
Fig. 3 is the A-A schematic cross-sectional view of Fig. 2.
Fig. 4 is the B-B schematic cross-sectional view of Fig. 2.
Structural schematic diagram when Fig. 5 is pile transport vehicle transport prefabricated pile in the utility model.
Fig. 6 is structural schematic diagram when prefabricated pile transports in place in the utility model.
Fig. 7 is that prefabricated pile is fixed to structural schematic diagram when driving piles track in the utility model.
Structural schematic diagram when Fig. 8 is prefabricated pile piling in the utility model.
In figure: piling equipment 1, track 2 of driving piles, shaft 21, prefabricated pile 3, main couple 4, pile transport vehicle 5, hoisting machine is traversing
Oil cylinder 51 lifts by crane trolley 52, running gear 53, front leg strut 6, rear support leg 6', supporting leg crossbeam 61, telescopic column 62, adjustable connecting-rod
63, truss support wheel 64, truss locking wheel 65, the traversing telescopic rod 66 of truss, traversing seat 67, girder 7, mobile leading truck 8, lid
Beam 9, support 10.
Specific embodiment
Embodiment 1:
In Fig. 1 ~ 4, a kind of pile integrated bridge substructure, in the position of each bridge pier, more prefabricated piles 3
It is arranged in juxtaposition, bent cap 9 is set on more prefabricated piles 3.As shown in Fig. 1 ~ 3, bent cap 9 is equipped with multiple supports 10, main
Beam 7 is arranged on support 10, and suspended deck structure in the prior art is omitted in the utility model.Thus structure, due to the letter of structure
Change, makes it possible prefabricated and fabricated construction.
In preferred scheme, the prefabricated pile 3 is precast segment, and prefabricated pile 3 is mutually connected by multiple prefabricated subsections
It connects.Connection type has: 1, then being connected by bush whorl in end pre-threaded connector；
Or 2, in the prefabricated flange arrangement in end, flange arrangement is bolted；
Or 3, setting joinery and its construction, and by bolt to wearing connection joinery and its construction.
Or 4, in the prefabricated sleeve and flange arrangement mutually to socket-connect in end, pass through socket and flanged joint.
In preferred scheme, 3 material of prefabricated pile is ultra-high performance concrete material, is filled in ultra-high performance concrete
There are more metallic fibers, weight ratio of the metallic fiber in ultra-high performance concrete is 0.2% ~ 12%, water-cement ratio 0.14-
0.27.Since the material glue that the utility model uses is relatively low, later concrete contraction is small, and due to the metal of incorporation fibre
Dimension, thus it is not easy to crack, and intensity and toughness are secure.
The ultra-high performance concrete parameter used in the utility model are as follows:
Compression strength: 170-227 (MPa)；Water-cement ratio 0.14-0.27, preferably 0.2；Cylindrical cleavage tensile strength: 8-24
(MPa), preferred scheme is 15-24 (MPa)；Maximum diameter of aggrogate: 0.6 (mm)；Porosity: 2-6%；Metallic fiber weight
Accounting: 0.2% ~ 12%, preferred scheme is 4% ~ 8%；Energy to failure: 10-40 (kN-m/m)；Elasticity modulus: 5-62 (GPa)；It is disconnected
Split modulus: (the first crack) 16.5-22.0 (MPa)；Ultimate bending strength: 20-62 (MPa)；Poisson's ratio: 0.19-
0.24；It shrinks: after maintenance < x10 is without autogenous shrinkage；Air content: 0.
Embodiment 2:
On the basis of embodiment 1, a kind of constructing device for above-mentioned pile integrated bridge substructure, it is wrapped
It includes:
Main couple 4, main couple 4 are erected at bridge substructure, the main couple 4 along bridge y direction by supporting leg
It can be moved along bridge X direction；
Piling track 2, piling track 2 can be mounted on main couple 4 what is both horizontally and vertically overturn, in piling track
2 are equipped with piling equipment 1.Thus structure can be realized substantially and be walked along bridge, and prefabricated pile 3 is squeezed into applying for ground
Work requirement.Piling equipment 1 in this example is hydraulic pile hammer, belongs to the prior art.
In further preferred scheme such as Fig. 1 ~ 4, the supporting leg includes front leg strut 6 and rear support leg 7；
The structure of supporting leg are as follows:
Multiple telescopic columns 62 are equipped with below supporting leg crossbeam 61, the telescopic column 62 in this example be, for example, hydraulic jack or
Person's screw jack.Multiple stations corresponding with 3 lateral position of prefabricated pile are equipped on supporting leg crossbeam 61；Each station is
The pile driving position of a corresponding prefabricated pile 3.
At least two traversing 67 bottoms of seat are equipped with the connection structure connecting with corresponding station, use traversing seat 67 in this example
Scheme, but using more traversing seats 67 is also feasible, such as three traversing seats 67.In traversing seat 67 equipped with more in this example
A bolt hole also is provided with multiple bolts hole, the spiral shell of traversing seat 67 and supporting leg crossbeam 61 in the position of the corresponding station of supporting leg crossbeam 61
It is bolted between keyhole.Traversing seat 67 is equipped with rolling bearing structure, and the rolling bearing structure includes that setting exists
The truss support wheel 64 of 4 two sides of the bottom of main couple, and the truss locking wheel 65 of two sides above 4 bottom of main couple is set, referring to
The structure of Fig. 1 ~ 4, thus structure, main couple 4 are limited by supporting leg, are only capable of sliding along bridge y direction.The master of respective numbers
Truss 4 is slidably mounted in rolling bearing structure, and the main couple 4 in this example is two, but is used more with cross
Move the corresponding main couple 4 of 67 quantity of seat be also it is feasible, such as three.
Preferred scheme such as Fig. 3, in 4, adjustable connecting-rod 63 is equipped between traversing seat 67, adjustable connecting-rod 63 uses double thread
Link mechanism, such as two-thread worm or double thread sleeve, to finely tune the spacing between traversing seat 67.Traversing seat 67 with
The traversing telescopic rod 66 of truss is equipped between supporting leg crossbeam 61.The traversing telescopic rod 66 of truss in this example is for adjusting entire traversing seat
67 lateral position.With the lateral position of corresponding more prefabricated piles 3 arranged side by side.It is most marginal when being located at as shown in Fig. 3,4
Position, the traversing telescopic rod 66 of truss are then set to the other end opposite on supporting leg crossbeam 61.The traversing telescopic rod 66 of truss uses
Such as structure below: the traversing oil cylinder of truss, leadscrew-nut mechanism or gear and rack teeth mechanism.
Preferred scheme such as Fig. 1, in 4, the piling track 2 is mounted between main couple 4, and piling track 2 is by turning
Axis 21 is connect with main couple 4, and the overturning for track 2 of driving piles is the center of circle with shaft 21, is also set between piling track 2 and main couple 4
There is hydraulic flip-arm, hydraulic flip-arm limits flip angle for driving piling track 2 to overturn.Hydraulic flip-arm is in figure
It is not shown, overturns 90 ° with Driven by Hydraulic Cylinder piling track 2, be structure commonly used in the prior art.
In preferred scheme such as Fig. 1 ~ 4, the pile transport vehicle 5 that can be walked along main couple 4, pile transport vehicle 5 are additionally provided on main couple 4
It is equipped with lifting trolley 52；Pile transport vehicle 5 is mounted on main couple 4 by the running gear 53 that bottom is arranged, and along main couple 4
Walking.In running gear 53, the output shaft of retarder is fixedly connected with traveling wheel, and retarder is fixedly connected with pile transport vehicle 5, is slowed down
The input shaft of device is fixedly connected with the output shaft of motor by shaft coupling.It lifts by crane trolley 52 and is equipped with steel wire rope hoisting device.
The traversing hoisting machine traverse displacement unit of driving lifting trolley 52 is equipped in the side of lifting trolley 52.It is conveniently adjusted lifting
The lateral position of trolley 52.Hoisting machine traverse displacement unit described in this example uses structure for example below: the traversing oil cylinder of hoisting machine
51, leadscrew-nut mechanism or gear and rack teeth mechanism.
Embodiment 3:
On the basis of embodiment 1,2, a kind of applying using above-mentioned pile integrated bridge substructure construction device
Work method, in Fig. 5 ~ 7,1,8, comprising the following steps:
S1, prefabricated pile segment are transported to construction site, are then connected pile segment integral；It is transported to entire piling
Device originates section；
S2, prefabricated pile 3 is transported to the piling track 2 of horizontality directly or by pile transport vehicle 5 using boom hoisting；
After reaching design stake position, prefabricated pile 3 and the piling track 2 of piling machine are fixed, by piling equipment 1 and prefabricated pile 3
End fix；
In s3, preferred scheme, is installed by mobile leading truck 8 transport to pile driving position, mobile leading truck 8 is determined
After level is true, it is fixed with ground；
Piling track 2 is converted into vertical state with hydraulic flip-arm, prefabricated pile 3 is squeezed into design with piling equipment 1
Length；
If desired stake is cut, then by stake top by designed elevation；Pile cutting machine is transported to front pile driving position by pile transport vehicle 5 and is pacified
Dress, and complete to cut stake operation construction.
S4, piling track 2 is restored to horizontality, and adjusted to next stake position, next stake position may be the one of translation
A position dismantles the fixing bolt of traversing seat 67, and drives traversing seat 67 traversing by the traversing telescopic rod 66 of truss, then pacifies again
Fill fixing bolt.Be also possible to next stake position be it is next across stake position, then need to face main couple 4 using jack at this time
Shi Dingqi, successively moves front leg strut 6 and rear support leg 6', then moves main couple 4, that is, move integrally to it is next across stake position, apply
The next bridge pier of work；
Repeat above step；
The piling construction of pile integrated bridge substructure is realized by above step.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the features in the embodiments and the embodiments of the present application in the absence of conflict, can mutual any combination.This is practical new
The protection scope of type should be with the technical solution of claim record, technical characteristic in the technical solution recorded including claim
Equivalents are protection scope.Equivalent replacement i.e. within this range is improved, also the protection scope of the utility model it
It is interior.
Claims (8)
1. a kind of pile integrated bridge substructure, it is characterized in that: in the position of each bridge pier, more prefabricated piles (3)
It is arranged in juxtaposition, bent cap (9) is set on more prefabricated piles (3).
2. a kind of pile integrated bridge substructure according to claim 1, it is characterized in that: the prefabricated pile
It (3) is precast segment, prefabricated pile (3) is interconnected together by multiple prefabricated subsections.
3. a kind of pile integrated bridge substructure according to claim 1, it is characterized in that: prefabricated pile (3) material
For ultra-high performance concrete material.
4. one kind is used for the constructing device of the described in any item pile integrated bridge substructures of claim 1 ~ 3, feature
It is that it includes:
Main couple (4), main couple (4) are erected at bridge substructure, the main couple along bridge y direction by supporting leg
(4) it can be moved along bridge X direction；
It drives piles track (2), piling track (2) can be mounted on main couple (4) what is both horizontally and vertically overturn, in piling rail
Road (2) is equipped with piling equipment (1).
5. the constructing device of a kind of pile integrated bridge substructure according to claim 4, it is characterized in that: described
Supporting leg includes front leg strut (6) and rear support leg (7)；
The structure of supporting leg are as follows:
Multiple telescopic columns (62) are equipped with below supporting leg crossbeam (61), multiple and prefabricated pile is equipped on supporting leg crossbeam (61)
(3) the corresponding station in lateral position；
At least two traversing seat (67) bottoms are equipped with the connection structure connecting with corresponding station, and traversing seat (67), which is equipped with, rolls branch
The main couple (4) of bearing structure, respective numbers is slidably mounted in rolling bearing structure.
6. the constructing device of a kind of pile integrated bridge substructure according to claim 5, it is characterized in that: traversing seat
(67) adjustable connecting-rod (63) are equipped between, the traversing telescopic rod of truss (66) is equipped between traversing seat (67) and supporting leg crossbeam (61).
7. the constructing device of a kind of pile integrated bridge substructure according to claim 5, it is characterized in that: described
Piling track (2) is mounted between main couple (4), and piling track (2) is connect by shaft (21) with main couple (4), is being driven piles
Hydraulic flip-arm is additionally provided between track (2) and main couple (4).
8. the constructing device of a kind of pile integrated bridge substructure according to claim 5, it is characterized in that: in main truss
The pile transport vehicle (5) that can be walked along main couple (4) is additionally provided on frame (4), pile transport vehicle (5) is equipped with lifting trolley (52)；
The traversing hoisting machine traverse displacement unit of driving lifting trolley (52) is equipped in the side of lifting trolley (52).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821058403.1U CN208486166U (en) | 2018-07-05 | 2018-07-05 | Pile integrated bridge substructure and constructing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821058403.1U CN208486166U (en) | 2018-07-05 | 2018-07-05 | Pile integrated bridge substructure and constructing device |
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| Publication Number | Publication Date |
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| CN208486166U true CN208486166U (en) | 2019-02-12 |
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ID=65249378
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685214A (en) * | 2018-07-05 | 2020-01-14 | 中交第二航务工程局有限公司 | Pile-column integrated bridge substructure, construction device and method |
-
2018
- 2018-07-05 CN CN201821058403.1U patent/CN208486166U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685214A (en) * | 2018-07-05 | 2020-01-14 | 中交第二航务工程局有限公司 | Pile-column integrated bridge substructure, construction device and method |
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