CN207739130U - A kind of concrete-filled double skin steel tube bridge pier - Google Patents
A kind of concrete-filled double skin steel tube bridge pier Download PDFInfo
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- CN207739130U CN207739130U CN201721774527.5U CN201721774527U CN207739130U CN 207739130 U CN207739130 U CN 207739130U CN 201721774527 U CN201721774527 U CN 201721774527U CN 207739130 U CN207739130 U CN 207739130U
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- concrete
- double skin
- steel tube
- filled double
- steel pipe
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Abstract
The utility model is related to structural engineering fields, disclose a kind of concrete-filled double skin steel tube bridge pier, it includes pier footing and Concrete-filled Double Skin Steel Tube Columns, horizontal displacement limiting slot is reserved at the top of pier footing, the bottom of Concrete-filled Double Skin Steel Tube Columns is placed in horizontal displacement limiting slot, and gap is provided between the lateral wall and pier footing of Concrete-filled Double Skin Steel Tube Columns；Concrete-filled double skin steel tube bridge pier further includes the connection component for connecting pier footing and Concrete-filled Double Skin Steel Tube Columns, connection component includes bending resistance anchoring prestress reinforcing bar and the anchoring end being arranged on the lateral wall of Concrete-filled Double Skin Steel Tube Columns, the lower end of bending resistance anchoring prestress reinforcing bar is connect with pier footing, and the upper end of bending resistance anchoring prestress reinforcing bar is connect with anchoring end.Shock insulation and Self-resetting may be implemented in concrete-filled double skin steel tube bridge pier provided by the utility model, and scene without welding or pours, convenient and quick construction.
Description
Technical field
The utility model is related to structural engineering fields, and in particular to a kind of concrete-filled double skin steel tube bridge pier.
Background technology
Concrete-filled Double Skin Steel Tube Columns because its outer steel pipe to the constraint of sandwich concrete and interior steel pipe to sandwich concrete
Supporting role, and show the mechanical property better than reinforced concrete structure, and then can be applied to industry and civil buildings, bridge
In the structures such as beam, pylon.At present in engineer application, coupled column component is mostly connected to base with buried and anchor bolt rigid connection method
Plinth.Site operation flow is complicated, construction takes that longer, building industrialization degree is relatively low.And be rigidly connected confining part bottom
Horizontal direction displacement, and member bottom section position is big by shearing under geological process, if only relying on construction material self-strength and prolonging
Property resist horizontal seismic force, easily go to pot.
Utility model content
(1) technical problems to be solved
The purpose of this utility model is to provide a kind of concrete-filled double skin steel tube bridge pier, is easy with solving existing structure
It is destroyed under earthquake, and suspension column construction method takes the larger problem of work consuming.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of concrete-filled double skin steel tube bridge pier, packet
Pier footing and Concrete-filled Double Skin Steel Tube Columns are included, horizontal displacement limiting slot is reserved at the top of the pier footing, it is described
The bottom of Concrete-filled Double Skin Steel Tube Columns is placed in the horizontal displacement limiting slot, the Concrete-filled Double Skin Steel Tube Columns
It is provided with gap between lateral wall and the pier footing；The concrete-filled double skin steel tube bridge pier further includes for connecting
The connection component of pier footing and the Concrete-filled Double Skin Steel Tube Columns is stated, the connection component includes bending resistance anchoring prestress
Reinforcing bar and the anchoring end being arranged on the lateral wall of the Concrete-filled Double Skin Steel Tube Columns, the bending resistance anchoring prestress
The lower end of reinforcing bar is connect with the pier footing, and the upper end of the bending resistance anchoring prestress reinforcing bar is connect with the anchoring end.
Wherein, shock isolating pedestal, the bottom of the Concrete-filled Double Skin Steel Tube Columns are provided in the horizontal displacement limiting slot
Portion is placed in above the shock isolating pedestal.
Wherein, the quantity of the anchoring end is multiple, and multiple anchoring ends are distributed in the hollow sandwich
In the circumferential direction of the lateral wall of steel core concrete column.
Wherein, the anchoring end is located at the middle and lower part of the Concrete-filled Double Skin Steel Tube Columns.
Wherein, the Concrete-filled Double Skin Steel Tube Columns include end plate and the outer steel pipe being set-located and interior steel pipe,
And the bottom of the outer steel pipe and the interior steel pipe is arranged with the end plate connection between the outer steel pipe and the interior steel pipe
There is sandwich concrete.
Wherein, the axis collinear of the axis of the outer steel pipe and the interior steel pipe.
Wherein, the anchoring end is fixed on by welding on the tube wall of the outer steel pipe.
Wherein, the cross section of the outer steel pipe and the interior steel pipe is using circle, rectangle, polygon or ellipse.
Wherein, the anchoring end is all made of common iron, high-strength steel, fire-resistant and weather-resistant steel or stainless steel and is made.
Wherein, the anchoring end, the outer steel pipe and the interior steel pipe are resistance to using common iron, high-strength steel, fire resisting
Steel or stainless steel is waited to be made；The sandwich concrete uses normal concrete, high-strength concrete or self-compacting concrete.
Wherein, the bending resistance anchoring prestress reinforcing bar is made of high tensile reinforcement, steel strand wires or carbon fibre bar.
(3) advantageous effect
Concrete-filled double skin steel tube bridge pier provided by the utility model on pier footing by being reserved with horizontal position
Limiting slot is moved, during site operation, places shock isolating pedestal in slot first, lifting equipment lifts hollow sandwich prefabricated in factory
Steel core concrete column is positioned on shock isolating pedestal, and in the horizontal displacement limiting slot, and to connect with pier footing
Bending resistance anchoring prestress reinforcing bar passes through and carries out anchoring and pre- using anchorage behind the anchoring end on Concrete-filled Double Skin Steel Tube Columns
Stress applies.Since concrete-filled double skin steel tube bridge pier anchorage point moves up, and the outside of Concrete-filled Double Skin Steel Tube Columns
Gap is provided between wall and pier footing, so that Concrete-filled Double Skin Steel Tube Columns bottom level direction displacement constraint quilt
Loosen, so that the bridge pier, under the premise of ensureing anti-bending strength, relaxation level displacement constraint promotes anti-seismic performance, in addition,
The device scene is without welding or pours, convenient and quick construction.
In addition, being equipped with shock isolating pedestal made of such as rubber, concrete-filled double skin steel tube in horizontal displacement limiting slot
Column is placed in above shock isolating pedestal.Since shock isolating pedestal being arranged between Concrete-filled Double Skin Steel Tube Columns and pier footing, thus make
Obtain bridge pier anti-seismic performance enhancing.
Description of the drawings
Fig. 1 is a kind of structural representation of the preferred embodiment of concrete-filled double skin steel tube bridge pier according to the present utility model
Figure；
Fig. 2 is the vertical section schematic diagram of the concrete-filled double skin steel tube bridge pier in Fig. 1；
Fig. 3 is the exploded perspective view of the concrete-filled double skin steel tube bridge pier in Fig. 1.
In figure, 1：Interior steel pipe；2：Sandwich concrete；3：Outer steel pipe；4：Anchorage；5：Anchor end；6：Bending resistance anchoring is answered in advance
Power reinforcing bar；7：Horizontal displacement limiting slot；8：End plate；9：Shock isolating pedestal；10：Pier footing.
Specific implementation mode
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on ... shown in the drawings
Or position relationship, be merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated device or
Element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the utility model
System.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be
Mechanical connection can also be electrical connection etc.；It can be directly connected, can also can be indirectly connected through an intermediary two
The interaction relationship of connection or two elements inside a element, unless otherwise restricted clearly.For the common of this field
For technical staff, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Fig. 1 to Fig. 3 shows that one of a kind of concrete-filled double skin steel tube bridge pier according to the present utility model is preferred real
Apply example.As shown, the concrete-filled double skin steel tube bridge pier includes pier footing 10 and Concrete-filled Double Skin Steel Tube Columns, bridge
The top of pier foundation 10 is reserved with horizontal displacement limiting slot 7, and the bottom of Concrete-filled Double Skin Steel Tube Columns is placed in the horizontal displacement
In limiting slot 7, and gap is provided between the lateral wall of Concrete-filled Double Skin Steel Tube Columns and pier footing 10, wherein between being somebody's turn to do
Gap is preferably 10-20mm.The concrete-filled double skin steel tube bridge pier further includes for connecting pier footing 10 and hollow sandwich steel
The connection component of pipe concrete column, the connection component include bending resistance anchoring prestress reinforcing bar 6 and are arranged in hollow sandwich steel pipe
Anchoring end 5 on the lateral wall of concrete column, the wherein lower end of bending resistance anchoring prestress reinforcing bar 6 are connect with pier footing 10,
It is preferred that bending resistance anchoring prestress reinforcing bar 6 is bound together with the steel reinforcement cage of pier footing 10, one-piece casting is formed.It anchors on end 5
It is provided with the through-hole coordinated with bending resistance anchoring prestress reinforcing bar 6, so that bending resistance anchoring prestress reinforcing bar 6 passes through anchoring end 5
On through-hole, and applied using anchorage 4 in anchoring 5 upper end of end and prestressing force and anchored.Anchoring end 5 can be used common iron,
High-strength steel, fire-resistant and weather-resistant steel or stainless steel are made.High tensile reinforcement, steel strand wires or carbon can be used in bending resistance anchoring prestress reinforcing bar 6
Fiber bar is made.
Concrete-filled double skin steel tube bridge pier provided by the utility model on pier footing 10 by being reserved with level
Displacement position-limiting slot 7, during site operation, prefabricated Concrete-filled Double Skin Steel Tube Columns are positioned in lifting equipment lifting factory
On shock insulation bed course in the horizontal displacement limiting slot 7, and bending resistance anchoring prestress reinforcing bar 6 is made to pass through hollow sandwich steel pipe coagulation
Behind anchoring end 5 on earth pillar anchoring and prestress application are carried out using anchorage 4.Due to concrete-filled double skin steel tube bridge pier anchor
Maintenance, which is set, to be moved up, and is provided with gap between the lateral wall of Concrete-filled Double Skin Steel Tube Columns and pier footing 10, so that
The direction displacement constraint of Concrete-filled Double Skin Steel Tube Columns bottom level is relaxed, so that the bridge pier is ensureing anti-bending strength
Under the premise of, relaxation level displacement constraint promotes anti-seismic performance.In addition, the device scene is without welding or pours, it is easy for construction fast
It is prompt.
Preferably, shock isolating pedestal 9 made of such as rubber is equipped in horizontal displacement limiting slot 7, hollow sandwich steel pipe is mixed
Solidifying earth pillar is placed in 9 top of shock isolating pedestal.Since shock isolating pedestal is arranged between Concrete-filled Double Skin Steel Tube Columns and pier footing 10
9, so that the bridge pier anti-seismic performance enhances.
In this embodiment, the quantity of anchoring end 5 is 6, and 6 anchoring ends 5 are distributed in hollow sandwich steel pipe
In the circumferential direction of the lateral wall of concrete column.It should be noted that it will be understood by those of skill in the art that in the utility model
In some other embodiment, the quantity of anchoring end 5 may be other numerical value, such as 3,4,5 etc..It is preferred that multiple anchors
Fixed end head 5 is spacedly distributed in the circumferential direction of the same circumference of the lateral wall of Concrete-filled Double Skin Steel Tube Columns.
Further, it is preferable to anchor the middle and lower part that end 5 is located at Concrete-filled Double Skin Steel Tube Columns, coordinated with it with reducing
Bending resistance anchoring prestress reinforcing bar 6 length, and then reduce manufacturing cost.
In this embodiment, Concrete-filled Double Skin Steel Tube Columns include end plate 8 and the outer steel pipe being set-located 3 and interior
Steel pipe 1, and the bottom of outer steel pipe 3 and interior steel pipe 1 is connect with end plate 8, and it is mixed that interlayer is provided between outer steel pipe 3 and interior steel pipe 1
Solidifying soil 2.Wherein, outer steel pipe 3 and interior steel pipe 1 can be used common iron, high-strength steel, fire-resistant and weather-resistant steel or stainless steel and be made.Folder
Normal concrete or high-strength concrete can be used in layer concrete 2.
In this embodiment, anchoring end 5 is fixed on by welding on the tube wall of outer steel pipe 3.And it needs to illustrate
, it will be understood by those of skill in the art that other connections also can be used in some other embodiment of the utility model
Method, such as be bolted on the tube wall of outer steel pipe 3.
In addition, in this embodiment, the cross section of outer steel pipe 3 and interior steel pipe 1 is circle, however it should be noted that originally
Field it will be appreciated by the skilled person that in some other embodiment of the utility model, outer steel pipe 3 and interior steel pipe 1 it is transversal
Face may be rectangle, polygon or ellipse etc., no matter which kind of shape the cross section of outer steel pipe 3 and interior steel pipe 1 uses, preferably
The axis collinear of the axis of outer steel pipe 3 and interior steel pipe 1.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of concrete-filled double skin steel tube bridge pier, which is characterized in that including pier footing and concrete-filled double skin steel tube
Column is reserved with horizontal displacement limiting slot at the top of the pier footing, and the bottom of the Concrete-filled Double Skin Steel Tube Columns is placed in
In the horizontal displacement limiting slot, it is provided between the lateral wall of the Concrete-filled Double Skin Steel Tube Columns and the pier footing
Gap；The concrete-filled double skin steel tube bridge pier further includes mixed for connecting the pier footing and the hollow sandwich steel pipe
The connection component of solidifying earth pillar, the connection component include bending resistance anchoring prestress reinforcing bar and are arranged in the hollow sandwich steel pipe
The lower end of anchoring end on the lateral wall of concrete column, the bending resistance anchoring prestress reinforcing bar is connect with the pier footing,
The upper end of the bending resistance anchoring prestress reinforcing bar is connect with the anchoring end.
2. concrete-filled double skin steel tube bridge pier according to claim 1, which is characterized in that the horizontal displacement limiting slot
It is inside provided with shock isolating pedestal, the bottom of the Concrete-filled Double Skin Steel Tube Columns is placed in above the shock isolating pedestal.
3. concrete-filled double skin steel tube bridge pier according to claim 1, which is characterized in that the quantity of the anchoring end
To be multiple, in the circumferential direction for the lateral wall that multiple anchoring ends are distributed in the Concrete-filled Double Skin Steel Tube Columns.
4. concrete-filled double skin steel tube bridge pier according to claim 1, which is characterized in that the anchoring end is located at institute
State the middle and lower part of Concrete-filled Double Skin Steel Tube Columns.
5. concrete-filled double skin steel tube bridge pier according to claim 1, which is characterized in that the hollow sandwich steel pipe is mixed
Solidifying earth pillar includes end plate and the outer steel pipe being set-located and interior steel pipe, and the bottom of the outer steel pipe and the interior steel pipe is equal
With the end plate connection, sandwich concrete is provided between the outer steel pipe and the interior steel pipe.
6. concrete-filled double skin steel tube bridge pier according to claim 5, which is characterized in that the axis of the outer steel pipe and
The axis collinear of the interior steel pipe.
7. concrete-filled double skin steel tube bridge pier according to claim 5, which is characterized in that the anchoring end passes through weldering
The mode connect is fixed on the tube wall of the outer steel pipe.
8. concrete-filled double skin steel tube bridge pier according to claim 5, which is characterized in that the outer steel pipe and described interior
The cross section of steel pipe is using circle, rectangle, polygon or ellipse.
9. concrete-filled double skin steel tube bridge pier according to claim 5, which is characterized in that the anchoring end, described
Outer steel pipe and the interior steel pipe are made of common iron, high-strength steel, fire-resistant and weather-resistant steel or stainless steel；The sandwich concrete
Using normal concrete, high-strength concrete or self-compacting concrete.
10. the concrete-filled double skin steel tube bridge pier according to any one of claim 1-9, which is characterized in that described anti-
Bent anchor is consolidated deformed bar and is made of high tensile reinforcement, steel strand wires or carbon fibre bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721774527.5U CN207739130U (en) | 2017-12-18 | 2017-12-18 | A kind of concrete-filled double skin steel tube bridge pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721774527.5U CN207739130U (en) | 2017-12-18 | 2017-12-18 | A kind of concrete-filled double skin steel tube bridge pier |
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| Publication Number | Publication Date |
|---|---|
| CN207739130U true CN207739130U (en) | 2018-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721774527.5U Active CN207739130U (en) | 2017-12-18 | 2017-12-18 | A kind of concrete-filled double skin steel tube bridge pier |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107988896A (en) * | 2017-12-18 | 2018-05-04 | 清华大学 | A kind of concrete-filled double skin steel tube bridge pier |
| CN110735389A (en) * | 2019-11-04 | 2020-01-31 | 江西科技学院 | Assembled concrete pier and assembling method thereof |
| WO2022062284A1 (en) * | 2020-09-27 | 2022-03-31 | 青岛理工大学 | Bamboo joint type energy-dissipation concrete-filled steel tube column base joint and mounting method |
-
2017
- 2017-12-18 CN CN201721774527.5U patent/CN207739130U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107988896A (en) * | 2017-12-18 | 2018-05-04 | 清华大学 | A kind of concrete-filled double skin steel tube bridge pier |
| CN110735389A (en) * | 2019-11-04 | 2020-01-31 | 江西科技学院 | Assembled concrete pier and assembling method thereof |
| CN110735389B (en) * | 2019-11-04 | 2024-01-23 | 江西科技学院 | Assembled concrete bridge pier and assembling method thereof |
| WO2022062284A1 (en) * | 2020-09-27 | 2022-03-31 | 青岛理工大学 | Bamboo joint type energy-dissipation concrete-filled steel tube column base joint and mounting method |
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