CN208167507U - The pier bottom structure and single track bridge pier of single track bridge pier - Google Patents
The pier bottom structure and single track bridge pier of single track bridge pier Download PDFInfo
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- CN208167507U CN208167507U CN201820592034.8U CN201820592034U CN208167507U CN 208167507 U CN208167507 U CN 208167507U CN 201820592034 U CN201820592034 U CN 201820592034U CN 208167507 U CN208167507 U CN 208167507U
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- cushion cap
- pier shaft
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Abstract
The utility model discloses a kind of pier bottom structure of single track bridge pier and single track bridge piers comprising cushion cap, cushion cap connector, pier shaft, the first concrete section and/or the second concrete section being connect by the cushion cap connector with the cushion cap；It is characterized in that, the pier shaft includes：Pier shaft main body, profiled sheet and several vertical main reinforcements；The pier shaft main body is hollow structure inside, and the profiled sheet is set in the hollow portion of the pier shaft main body, and its cross section is closed geometric shape, by into the profiled sheet casting concrete to form first concrete section；The vertical main reinforcement is arranged around the profiled sheet outside wall surface.The prefabricated pier shaft of the utility model is made of armored concrete, after completion to be assembled into pier shaft concrete perfusion, it both can guarantee that structure was specious, meet the weight demands of transport, lifting, and advantageously reduces difficulty of construction and cost, improves speed of application.
Description
Technical field
The utility model relates to science of bridge building field more particularly to the pier bottom structures and single track bridge pier of a kind of single track bridge pier.
Background technique
In the prior art, single track bridge bottom structure is all made of the construction technology of conventional on-site casting concrete, bracket
Take tear open, reinforcing bar binding, concreting can all bring larger impact to urban transportation and environment；Furthermore cast-in-place concrete shadow
It is high to ring construction speed, quality control difficulties, security risk.
The pier bottom structure of prefabrication and assembly construction single track bridge pier mostly uses following method at present：Pier shaft bottom segment and bearing platform prefabrication
It is integral, then be connected with other prefabricated subsections in pier shaft position；It is in the milk between prefabricated entity pier shaft segment and cushion cap using reinforcing bar
Sleeve and the splicing of reserved steel bar scene, grouting, form whole.But the former needs prefabricated pier shaft bottom segment and cushion cap in advance, existing
Cause to be difficult to control the transport of different pier relative superiority or inferiority, lifting heavy because of factors such as equipment hoisting ability, place limit when the connection of field
Amount；The latter the problem of then there may be seam crossing weak links, the stress reliability and durability of connecting portion are not can guarantee.
Utility model content
The utility model in view of the above drawbacks of the prior art, provides a kind of pier bottom structure of single track bridge pier and has the pier
The single track bridge pier of bottom structure, prefabricated pier shaft are made of armored concrete, after completion to be assembled into pier shaft concrete perfusion
, both can guarantee that structure was specious, and met the weight demands of transport, lifting, and can avoid the connection of reinforcing bar grout sleeve
Scheme the problem of there may be seam crossing weak links, it is ensured that the stress of connecting portion is reliable and durability, is thus conducive to drop
Low difficulty of construction and cost improve speed of application.
Technical solution adopted by the utility model to solve its technical problems is：
On the one hand, a kind of pier bottom structure of single track bridge pier is provided comprising cushion cap, passes through the cushion cap at cushion cap connector
Pier shaft, the first concrete section and/or the second concrete section that connector is connect with the cushion cap；The pier shaft includes：Pier shaft master
Body, profiled sheet and several vertical main reinforcements；
The pier shaft main body is hollow structure inside, and the profiled sheet is set in the hollow portion of the pier shaft main body,
And its cross section be closed geometric shape, by into the profiled sheet casting concrete to form first concrete
Portion；The vertical main reinforcement surround and is set among pier shaft main body.
Preferably, the cushion cap connector includes：Holding tank is provided on the cushion cap upper surface, for accommodating
The bottom of pier shaft main body is stated, and by forming to the region casting concrete between the holding tank inner wall and pier shaft main body
Two concrete section, the connection being achieved between the cushion cap and pier shaft.
Preferably, the cushion cap connector includes：Cushion cap adds platform and holding tank；The holding tank is provided with the cushion cap
On upper surface；The cushion cap adds platform inner hollow, and connects the cushion cap upper surface；The holding tank and cushion cap add the inside of platform
Be provided commonly for accommodating the bottom of the pier shaft main body, and by between the holding tank inner wall and pier shaft main body region and
The cushion cap adds the region casting concrete between platform inner wall and pier shaft main body to form the second concrete section, is achieved in described
Connection between cushion cap and pier shaft.
Preferably, the locating piece to raise upward is equipped in the middle part of the holding tank.
Preferably, the cushion cap connector further includes：Several inside reinforcing ribs, one end are embedded in the cushion cap, separately
One end is protruded into first concrete section；And/or several outside reinforcing ribs, it is arranged around the pier shaft main body, and one end
It is embedded in the cushion cap, the other end protrudes into second concrete section.
Preferably, the pier shaft further includes：Outsourcing coaming plate is close to the outer peripheral surface setting of the pier shaft main body.
Preferably, the pier shaft further includes：Several WELDING STUDSs being connected on the outsourcing coaming plate outer peripheral surface, and described cut
Power nail is respectively positioned in second concrete section.
Preferably, if the region between the outsourcing coaming plate and holding tank inner sidewall, which is equipped with, is surrounded the outside reinforcing rib
Do first annular stirrup；And/or the region between the outsourcing coaming plate and profiled sheet is equipped with and surrounds the of the vertical main reinforcement
Second ring stirrup.
On the one hand, a kind of single track bridge pier is provided comprising above-mentioned pier bottom structure.
The beneficial effect of technical solutions of the utility model is：
The utility model can make more environmentally friendly bridge construction, few interference, safer, high-quality relative to traditional cast-in-place construction
Amount and low consumption, it is easy for construction, be conducive to shorten the construction period, be convenient for the management of overall process promotion message, can promote and apply supreme
The bridges such as iron, city rail, highway, municipal administration field has wide application space, is conducive to bridge sustainable development.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing：
Fig. 1 is the elevation of the pier bottom structure of single track bridge pier in the utility model embodiment one, three；
Fig. 2 is the cross-sectional view of the pier bottom structure of single track bridge pier in the utility model embodiment one；
Fig. 3 is the cross-sectional view of pier shaft in the utility model embodiment one；
Fig. 4 is the cross-sectional view of the pier bottom structure of single track bridge pier in the utility model embodiment two；
Fig. 5 is the cross-sectional view of pier shaft in the utility model embodiment three；
Fig. 6 is the installation step schematic diagram of single track bridge pier pier bottom structure in the utility model embodiment five.
Specific embodiment
In order to which the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with attached drawing and reality
Example is applied, the present invention will be further described in detail.It should be understood that specific embodiment described herein is only used for
It explains the utility model, is not used to limit the utility model.
Embodiment one：
As shown in Figs. 1-2, the pier bottom structure of the single track bridge pier of the utility model includes cushion cap 1, cushion cap connector, passes through institute
It states
Cushion cap
Pier shaft, the first concrete section 3 and/or the second concrete section 8 that connector is connect with the cushion cap 1.
Specifically, the cushion cap connector includes：Holding tank 16, several inside reinforcing ribs 15 and/or several outsides are reinforced
Muscle 9；The holding tank 16 is provided on 1 upper surface of cushion cap, and the size of holding tank 16 is greater than pier shaft overall dimensions, and pre-
Stay certain depth, for accommodating the bottom of the pier shaft, make prefabricated pier shaft entirety bottom can total cross-section be embedded in the top of cushion cap 1
In portion；Meanwhile the truncated cone-shaped locating piece 17 to raise upward is equipped in the middle part of the holding tank 16, so that pier shaft is integrally put into holding tank
Can be accurate with 1 centering of cushion cap when 16, while the stabilization for ensuring that pier shaft is whole when installing with cushion cap along bridge to, direction across bridge, make seam
Place is beautiful.
And by the region casting concrete between 16 inner wall of holding tank and pier shaft main body 2 to form the second coagulation
Native portion 8, the connection being achieved between on the outside of the cushion cap 1 and pier shaft；
As shown in figure 3, the pier shaft includes：Pier shaft main body 2 is the hollow thin-wall made of armored concrete is prefabricated
Structure, inner hollow, cross section are rectangular or square；Profiled sheet 5 is set to the hollow portion of the pier shaft main body 2
It is interior, and its cross section is closed geometric shape identical with 2 cross section of pier shaft main body, i.e., in the present embodiment, the die mould
The cross section of steel plate 5 is also rectangular or square, and to form described first mixed for casting concrete by into the profiled sheet 5
Solidifying soil portion 3；Being set to the profiled sheet 5 inside the pier shaft main body 2 as a result, can not only be used for the internal model of pier shaft entirety, and be not necessarily to
It is taken out after the completion of pier shaft is prefabricated, may continue as the template of later period concrete perfusion into profiled sheet 5, on this basis,
Several 15 one end of inside reinforcing rib are embedded in the cushion cap 1, and it is mixed that the other end protrudes into described first after the locating piece 17
In solidifying soil portion 3, cyclic structure identical with 2 cross section of pier shaft main body is integrally surrounded, thus reinforces the first coagulation in pier shaft
The connection in native portion 3 and cushion cap 1, enhances the overall structural strength of pier bottom；Several vertical main reinforcements 4, according to being forced through calculating and setting,
It is arranged around the periphery of the profiled sheet 5, the region between the pier shaft main body 2 and the profiled sheet 5, bottom
End is flushed with 2 bottom surface of pier shaft main body, and the bottom of 1 holding tank 16 of cushion cap, the other end described in face contact upwardly extend, it is preferred that institute
Vertical main reinforcement 4 is stated to be arranged circumferentially close to the pier shaft main body 2；And outsourcing coaming plate 6 (preferably encased steel plate), be close to described in
The outer peripheral surface of pier shaft main body 2 is arranged, and cross section is closed geometric shape (such as square identical with 2 cross section of pier shaft main body
Shape or square), for the external mold as 2 bottom of pier shaft main body, the vertical main reinforcement 4 and profiled sheet 5 are enclosed in
In its hollow portion, on this basis, several outside reinforcing ribs 9 are arranged around the pier shaft main body 2,6 periphery of outsourcing coaming plate,
One end is embedded in the cushion cap 1, and the other end upwardly extends, and integrally surrounds ring identical with 2 cross section of pier shaft main body
Shape structure；
In the present embodiment, the vertical main reinforcement 4 and profiled sheet 5 can full-height/Partial Height be laid in pier shaft main body 2
Within, and be aligned with the upper and lower end face of pier shaft main body 2.
In addition, as shown in Fig. 2, the region between 16 inner sidewall of the outsourcing coaming plate 6 and holding tank is equipped with and surrounds outside described
Several first annular stirrups 10 of side reinforcing rib 9, surround closed circular structure (i.e. square identical with 2 cross section of pier shaft main body
Shape or square)；And/or the region between the outsourcing coaming plate 6 and profiled sheet 5 is equipped with and surrounds the of the vertical main reinforcement 4
Second ring stirrup 10 ', surrounds closed circular structure (i.e. rectangular or square) identical with 2 cross section of pier shaft main body, and with
Each vertical main reinforcement 4 connects, it is preferred that the first reinforcement stirrup 11 is additionally provided in the region that the second ring-shaped stirrup 10 ' surrounds
And/or second reinforce stirrup 12；And first reinforce stirrup 11 and/or second reinforce stirrup 12 both ends with it is described second annular
Stirrup 10 ' connects；When existing simultaneously the first reinforcement stirrup 11 and the second reinforcement stirrup 12, the two is arranged in a crossed manner；Further,
Region between first reinforcement stirrup 11 and the second ring-shaped stirrup 10 ' is additionally provided at least one the first supporting ribs 13, and both ends are divided
Described first is not connected reinforces stirrup 11 and the second ring-shaped stirrup 10 '；And/or second reinforce stirrup 12 and the second ring-shaped stirrup
Region between 10 ' is additionally provided at least one the second supporting ribs 14, and both ends are separately connected described second and reinforce stirrup 12 and the
Second ring stirrup 10 '；Thus the fixed effect to vertical main reinforcement 4, while the anti-seismic performance of reinforced pier basal cross section are further enhanced；
Further, the pier shaft further includes：Several WELDING STUDSs 7 being connected on 6 outer peripheral surface of outsourcing coaming plate, and institute
It states WELDING STUDS 7 to be respectively positioned in second concrete section 8, so that the outside of pier shaft main body 2, the second concrete section 8, outside
Reinforcing rib 9 and stirrup etc. form steel-and mix combined system, and show pier shaft jointly by the first concrete section 3 and the second concrete section 8
Effective force between entirety and cushion cap 1.
Embodiment two：
The present embodiment the difference is that only with embodiment one, as shown in Figure 1, the cushion cap connector includes：Cushion cap
Add platform 20, holding tank 16, several inside reinforcing ribs 15 and/or several outside reinforcing ribs 9；The cushion cap adds 20 inner hollow of platform,
And connection 1 upper surface of cushion cap；The holding tank 16 adds the inside of platform 20 to be provided commonly for accommodating the bottom of the pier shaft with cushion cap
Portion, between 16 inner sidewall of the outsourcing coaming plate 6 and holding tank and outsourcing coaming plate 6 and cushion cap add the region between 20 inner sidewall of platform
It is equipped with several first annular stirrups 10 for surrounding the outside reinforcing rib 9；And by 16 inner wall of holding tank and pier shaft
Region and the cushion cap between main body 2 add the region casting concrete between 20 inner wall of platform and pier shaft main body 2 to form
Two concrete section 8, the connection being achieved between the cushion cap 1 and pier shaft.
Embodiment three：
As illustrated in figures 4-5, the present embodiment and embodiment one the difference is that only, the pier shaft main body 2 and die mould steel
The cross section of plate 5 is circle；Corresponding, first annular stirrup 10 and the second ring-shaped stirrup 10 ' are circle；
And the region between second ring-shaped stirrup 10 ' and profiled sheet 5 be equipped with third circumferential direction stirrup 18, surround with
The identical closed circular structure in 2 cross section of pier shaft main body (i.e. round), and the second ring-shaped stirrup 10 ' and third circumferential direction stirrup 18 it
Between region be additionally provided at least one third supporting rib 19, both ends are separately connected second ring-shaped stirrup 10 ' and third ring
To stirrup 18；Meanwhile the region between the profiled sheet 5 and outsourcing coaming plate 6 is additionally provided at least one and the third is circumferential
The erection main reinforcement 21 of the connection of stirrup 18 (such as welding), thus can be by erecting main reinforcement 21 to the second ring-shaped stirrup 10 ', third ring
The system formed to stirrup 18 and third supporting rib 19 is supported and reinforces.
Other structures setting is referring to embodiment one, two, and details are not described herein.
Example IV：
Present embodiments provide a kind of single track bridge pier comprising the pier bottom structure of above-described embodiment one to three.
Embodiment five：
The assembly method of pier bottom structure in above-described embodiment one to three is present embodiments provided, as shown in Figure 4 comprising such as
Lower step：
S1, prepare cushion cap 1 and pier shaft main body 2, and open up the holding tank 16 in advance in 1 upper surface of cushion cap, simultaneously
Outsourcing coaming plate 6, WELDING STUDS 7 are set in 2 outer peripheral surface of pier shaft main body (the preferably lower part of outer peripheral surface), and in the pier shaft main body 2
Inside setting profiled sheet 5 and vertical main reinforcement 4；And in the cushion cap 1 one end 15 of the pre-buried inside reinforcing rib and/or
One end of the outside reinforcing rib 9；
S2, the pier shaft main body 2 that will be internally provided with the profiled sheet 5 are assembled on locating piece 17, with this by the pier
16 center of holding tank is positioned in 2 bottom pair of body main body, and it is described that the other end of the inside reinforcing rib 15 is located at
In profiled sheet 5, and/or, so that the outside reinforcing rib 9 is arranged around the pier shaft main body 2, outsourcing coaming plate 6；
S3, into the profiled sheet 5 casting concrete to form first concrete section 3；
And S4, to the region S10 casting concrete between 16 inner wall of holding tank and pier shaft main body 2 to form second
Concrete section 8；Or, the cushion cap in 1 upper surface of cushion cap setting inner hollow adds platform 20, by 16 inner wall of holding tank
It is mixed that region S10 and the cushion cap between pier shaft main body 2 add the region S20 between 20 inner wall of platform and pier shaft main body 2 to pour
Solidifying soil is to form the second concrete section 8, the connection being achieved between the cushion cap 1 and pier shaft.
It should be noted that the technical characteristic in above-described embodiment one to five can carry out any combination, the skill being composed
Art scheme belongs to the protection scope of the utility model.
In conclusion the prefabricated pier shaft in the utility model is thin using rectangle made of armored concrete or circular hollow
Wall construction, can with cushion cap complete it is assembled after to the inside and outside concrete perfusion of pier shaft, form pier bottom structure, the program can
Guarantee structure it is specious, meet transport, lifting weight demands, and can avoid reinforcing bar grout sleeve connection scheme there may be
The problem of seam crossing weak link, it is ensured that the stress of connecting portion is reliable and durability, advantageously reduce difficulty of construction and cost,
Speed of application is improved, relative to traditional cast-in-place construction, makes more environmentally friendly bridge construction, few interference, safer, high quality and low
Consumption, it is easy for construction, be conducive to shorten the construction period, be convenient for the management of overall process promotion message, can promote and apply to high-speed rail, city rail
The bridges such as road, highway, municipal administration field has wide application space, is conducive to bridge sustainable development.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
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 (9)
1. a kind of pier bottom structure of single track bridge pier comprising cushion cap, cushion cap connector are held by the cushion cap connector with described
Pier shaft, the first concrete section and/or the second concrete section of platform connection；It is characterized in that, the pier shaft includes：Pier shaft main body,
Profiled sheet and several vertical main reinforcements；
The pier shaft main body is hollow structure inside, and the profiled sheet is set in the hollow portion of the pier shaft main body, and its
Cross section is closed geometric shape, by into the profiled sheet casting concrete to form first concrete section；Institute
Vertical main reinforcement is stated around being set among pier shaft main body.
2. pier bottom structure as described in claim 1, which is characterized in that the cushion cap connector includes：Holding tank is provided with
On the cushion cap upper surface, for accommodating the bottom of the pier shaft main body, and by the holding tank inner wall and pier shaft main body
Between region casting concrete to form the second concrete section, the connection being achieved between the cushion cap and pier shaft.
3. pier bottom structure as described in claim 1, which is characterized in that the cushion cap connector includes：Cushion cap adds platform and appearance
Receive slot；The holding tank is provided on the cushion cap upper surface；The cushion cap adds platform inner hollow, and connects the cushion cap upper end
Face；The holding tank and cushion cap add the inside of platform to be provided commonly for accommodating the bottom of the pier shaft main body, and by the receiving
Region and the cushion cap between slot inner wall and pier shaft main body add the region casting concrete between platform inner wall and pier shaft main body
To form the second concrete section, the connection being achieved between the cushion cap and pier shaft.
4. pier bottom structure as claimed in claim 2 or claim 3, which is characterized in that determine in the middle part of the holding tank equipped with what is raised upward
Position block.
5. pier bottom structure as claimed in claim 2 or claim 3, which is characterized in that the cushion cap connector further includes：Several insides add
Strengthening tendons, one end are embedded in the cushion cap, and the other end protrudes into first concrete section；And/or several outsides are reinforced
Muscle is arranged around the pier shaft main body, and one end is embedded in the cushion cap, and the other end protrudes into second concrete section.
6. pier bottom structure as claimed in claim 5, which is characterized in that the pier shaft further includes：Outsourcing coaming plate, be close to described in
The outer peripheral surface of pier shaft main body is arranged.
7. pier bottom structure as claimed in claim 6, which is characterized in that the pier shaft further includes：It is connected to the outsourcing coaming plate
Several WELDING STUDSs on outer peripheral surface, and the WELDING STUDS is respectively positioned in second concrete section.
8. pier bottom structure as claimed in claim 7, which is characterized in that the area between the outsourcing coaming plate and holding tank inner sidewall
Domain is equipped with several first annular stirrups for surrounding the outside reinforcing rib；And/or between the outsourcing coaming plate and profiled sheet
Region is equipped with the second ring-shaped stirrup for surrounding the vertical main reinforcement.
9. a kind of single track bridge pier, which is characterized in that including the described in any item pier bottom structures of such as claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820592034.8U CN208167507U (en) | 2018-04-24 | 2018-04-24 | The pier bottom structure and single track bridge pier of single track bridge pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820592034.8U CN208167507U (en) | 2018-04-24 | 2018-04-24 | The pier bottom structure and single track bridge pier of single track bridge pier |
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| Publication Number | Publication Date |
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| CN208167507U true CN208167507U (en) | 2018-11-30 |
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| CN201820592034.8U Active CN208167507U (en) | 2018-04-24 | 2018-04-24 | The pier bottom structure and single track bridge pier of single track bridge pier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108411771A (en) * | 2018-04-24 | 2018-08-17 | 中铁工程设计咨询集团有限公司 | The pier bottom structure and its assembly method of single track bridge pier, single track bridge pier |
-
2018
- 2018-04-24 CN CN201820592034.8U patent/CN208167507U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108411771A (en) * | 2018-04-24 | 2018-08-17 | 中铁工程设计咨询集团有限公司 | The pier bottom structure and its assembly method of single track bridge pier, single track bridge pier |
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