CN208183520U - It is a kind of for the precast pier of empty rail and the connecting structure of prefabricated foundation - Google Patents
It is a kind of for the precast pier of empty rail and the connecting structure of prefabricated foundation Download PDFInfo
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- CN208183520U CN208183520U CN201820750789.6U CN201820750789U CN208183520U CN 208183520 U CN208183520 U CN 208183520U CN 201820750789 U CN201820750789 U CN 201820750789U CN 208183520 U CN208183520 U CN 208183520U
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- pier
- groove
- connecting structure
- prefabricated
- cushion cap
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Abstract
The utility model relates to the connecting structure of a kind of precast pier for empty rail and prefabricated foundation, including the groove being set on prefabricated cushion cap, positioning pier is equipped in groove, the outer rim of the shape size adaptation precast hollow pier of groove, position the inner edge of the shape size adaptation precast hollow pier of pier, precast hollow pedestal is equipped with injected hole, after hollow pier is sheathed on positioning pier and is set to groove, forms concrete structure by injected hole casting concrete and connects prefabricated cushion cap and hollow pier.With the connecting structure, joint face is moved down by setting groove, the shear behavior of seam is effectively enhanced, relative to joint face on cushion cap surface, moment of flexure is when being transferred on the joint face moved down, existing part diffuses in prefabricated cushion cap around, which reduces joint face moment of flexure, improves joint face stress performance, positioning pier is both the key component of transmission internal force, the function for helping prefabricated hollow pier fast hoisting positioning is played again, and connection process is concise, greatly accelerates speed of application.
Description
Technical field
It is especially a kind of for the precast pier of empty rail and the company of prefabricated foundation the utility model relates to field of track traffic
Connect construction.
Background technique
Existing Precast Pier Columns and the connection type on basis are mostly that high-strength twisted steel direct splicing or rim of a cup installation island connect
It connects, but accurate device to hole when the installation of high-strength twisted steel direct splicing is in place, it is time-consuming more when twisted steel is more, due to there is no concrete
Pier and basis are connected, seam crossing shear resistance is on the weak side, and the reinforcing bar that rim of a cup installs the roundabout of island connection lays more complex, shearing
The operating space of nail welding is small, this has influenced construction quality and construction efficiency, less economical.
Utility model content
The goal of the invention of the utility model is: for existing high-strength twisted steel direct splicing installation of the existing technology
Accurate device to hole when in place, it is time-consuming more when twisted steel is more, due to there is no concrete connection pier and basis, seam crossing shear resistance inclined
Weak, the reinforcing bar laying that rim of a cup installs the roundabout of island connection is more complex, and the operating space for shearing nail welding is small, this is influenced
Construction quality and construction efficiency, less economical problem provide a kind of connection of precast pier and prefabricated foundation for empty rail
Construction.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
It is a kind of for the precast pier of empty rail and the connecting structure of prefabricated foundation, including the groove being set on prefabricated cushion cap,
Positioning pier, the outer rim of the shape size adaptation precast hollow pier of the groove, the shape of the positioning pier are equipped in the groove
Size is adapted to the inner edge of the precast hollow pier, and the precast hollow pedestal is equipped with injected hole, and the hollow pier is sheathed on institute
After stating positioning pier and being set to the groove, concrete structure is formed by injected hole casting concrete and connects described prefabricated hold
Platform and the hollow pier.
Using described in the utility model a kind of for the precast pier of empty rail and the connecting structure of prefabricated foundation, by setting
It sets groove to move down joint face, effectively enhances the shear behavior of seam, relative to joint face on cushion cap surface, moment of flexure is being transmitted
When on to the joint face moved down, existing part is diffused in prefabricated cushion cap around, therefore the construction reduces joint face moment of flexure, changes
Joint face stress performance has been apt to it, positioning pier is both the key component of transmission internal force and helps prefabricated hollow pier quick
The function of positioning is lifted, the entire process that connects is concise, greatly accelerates speed of application.
Preferably, it is equipped with gas vent on the upside of the injected hole, when being poured concrete by the injected hole, facilitates the sky
Air is discharged by the gas vent in heart pier, avoid being difficult to slip casting cause to connect it is unreliable.
Preferably, using mud jacking by the injected hole cement injection mortar, HPC (High performance
Concrete, high performance concrete) or UHPC (Ultra-High performance concrete, very-high performance coagulation
Soil).
Preferably, the depth of the groove is 3cm-10cm.
Preferably, the depth of the groove is 5cm.
Preferably, the prefabricated cushion cap, the groove and the positioning pier are an integral molding structure part.
Preferably, the reinforcing bar HPC structural member that the prefabricated cushion cap, the groove and the positioning pier are integrally formed.
The utility model additionally provides the connecting structure of a kind of precast pier for empty rail and prefabricated foundation, including is set to
Sleeve on prefabricated cushion cap, the sleeve are greater than the outer rim ruler of the bridge pier for bridge pier, the inner dimensions of the sleeve to be arranged
Very little, the bridge pier, which is set to after the sleeve into the sleeve, is poured concrete formation concrete structure, connects described prefabricated
Cushion cap and the bridge pier.
Using described in the utility model a kind of for the precast pier of empty rail and the connecting structure of prefabricated foundation, facilitate two
Direct lifting, positioning, the connection of a prefabricated component, sleeve reduce subsequent casting spillage, and faster, while sleeve is suitable for speed of application
In increasing pier bottom section, to improve pier bottom bending resistance, seam crossing bending resistance is also enhanced, connecting structure operation letter
Single, easily controllable construction quality, stress are reliable, construction is convenient, can significantly reduce the work of site welding and concrete casting etc.
It measures, accelerates construction progress, save engineering cost.
Preferably, the height of the sleeve is 10cm-20cm.
Preferably, the bridge pier is hollow pier.
Preferably, the lower part of the hollow pier being sheathed in the sleeve is equipped with slurry leakage hole.
Using this structure setting, after sleeve is connected with hollow pier, the concrete of subsequent casting can enter from slurry leakage hole
The hollow parts of hollow pier form limit latch structure in hollow parts, advanced optimize the stress of hollow pier, it is reliable to improve connection
Property.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1, with described in the utility model a kind of for the precast pier of empty rail and the connecting structure of prefabricated foundation, pass through
Setting groove moves down joint face, effectively enhances the shear behavior of seam, relative to joint face on cushion cap surface, moment of flexure is being passed
When being handed on the joint face moved down, existing part is diffused in prefabricated cushion cap around, therefore the construction reduces joint face moment of flexure,
Joint face stress performance is improved, positioning pier is both the key component of transmission internal force and helps prefabricated hollow pier fast
The function of speed lifting positioning, the entire process that connects is concise, greatly accelerates speed of application；
2, described with described in the utility model a kind of for the precast pier of empty rail and the connecting structure of prefabricated foundation
It is equipped with gas vent on the upside of injected hole, when being poured concrete by the injected hole, facilitates in the hollow pier air by the row
Stomata discharge, avoid being difficult to slip casting cause to connect it is unreliable；
3, convenient with described in the utility model a kind of for the precast pier of empty rail and the connecting structure of prefabricated foundation
Direct liftings, positioning, the connection of two prefabricated components, sleeve reduce subsequent casting spillage, speed of application faster, while sleeve phase
When to improve pier bottom bending resistance, also enhancing seam crossing bending resistance in increasing pier bottom section, which is operated
Simply, easily controllable construction quality, stress are reliable, construction is convenient, can significantly reduce site welding and concrete casting etc.
Workload accelerates construction progress, and saves engineering cost；
4, described with described in the utility model a kind of for the precast pier of empty rail and the connecting structure of prefabricated foundation
The lower part of hollow pier being sheathed in the sleeve is equipped with slurry leakage hole, using this structure setting, after sleeve is connected with hollow pier,
The concrete of subsequent casting can enter the hollow parts of hollow pier from slurry leakage hole, form limit latch structure in hollow parts, into
The stress of one-step optimization hollow pier improves connection reliability.
Detailed description of the invention
Fig. 1 is a kind of Structure explosion diagram of connecting structure described in the utility model；
Fig. 2 is the half section structure diagram of Fig. 1；
Fig. 3 is the Structure explosion diagram of another connecting structure described in the utility model.
Marked in the figure: the prefabricated cushion cap of 1-, 2- groove, 3- position pier, 4- hollow pier, 5- injected hole, 6- gas vent, 7- set
Cylinder, 8- bridge pier, 9- slurry leakage hole.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
Embodiment 1
As shown in Figs. 1-2, described in the utility model a kind of for the precast pier of empty rail and the connection structure of prefabricated foundation
It makes, including the groove 2 being set on prefabricated cushion cap 1.
Positioning pier 3 is equipped in the groove 2, the outer rim of the shape size adaptation precast hollow pier 4 of the groove 2 is described
The shape size of positioning pier 3 is adapted to the inner edge of the precast hollow pier 4, and 4 lower part of precast hollow pier is equipped with injected hole 5, institute
State hollow pier 4 be sheathed on the positioning pier 3 and be set to the groove 2 after, by the injected hole 5 casting concrete form coagulation
Soil structure part connects the prefabricated cushion cap 1 and the hollow pier 4.
As a preferred embodiment of the present embodiment, it is equipped with gas vent 6 on the upside of the injected hole 5, by the injected hole 5
When being poured concrete, air in the hollow pier 4 is facilitated to be discharged by the gas vent 6, avoiding being difficult to slip casting causes connection can not
It leans on, using mud jacking by the 5 cement injection mortar of injected hole；The depth of the groove 2 is 5cm；The prefabricated cushion cap 1, institute
State the reinforcing bar HPC structural member that groove 2 and the positioning pier 3 are integrally formed.
With described in the utility model a kind of for the precast pier of empty rail and the connecting structure of prefabricated foundation, by setting
It sets groove 2 to move down joint face, effectively enhances the shear behavior of seam, relative to joint face on cushion cap surface, moment of flexure is being passed
When being handed on the joint face moved down, existing part is diffused in prefabricated cushion cap 1 around, therefore to reduce joint face curved for the construction
Square, improves joint face stress performance, and positioning pier 3 is both the key component of transmission internal force and helps prefabricated hollow
The function of 4 fast hoisting of pier positioning, the entire process that connects is concise, greatly accelerates speed of application.
Embodiment 2
As shown in figure 3, it is described in the utility model a kind of for the precast pier of empty rail and the connecting structure of prefabricated foundation,
Including the sleeve 7 being set on prefabricated cushion cap 1.
The sleeve 7 is greater than the physical dimension of the bridge pier 8, institute for bridge pier 8, the inner dimensions of the sleeve 7 to be arranged
It states bridge pier 8 and is poured concrete after the sleeve 7 into the sleeve 7 and form concrete structure, connect described prefabricated hold
Platform 1 and the bridge pier 8.
As a preferred embodiment of the present embodiment, the height of the sleeve 7 is 10cm；The bridge pier 8 is hollow pier,
The lower part of the hollow pier being sheathed in the sleeve 7 is equipped with slurry leakage hole 9, using this structure setting, sleeve 7 and hollow pier
After connection, the concrete of subsequent casting can enter the hollow parts of hollow pier from slurry leakage hole 9, form spacer pin in hollow parts
Structure advanced optimizes the stress of hollow pier, improves connection reliability.
With described in the utility model a kind of for the precast pier of empty rail and the connecting structure of prefabricated foundation, facilitate two
Direct lifting, positioning, the connection of a prefabricated component, sleeve 7 reduce subsequent casting spillage, speed of application faster, while 7 phase of sleeve
When to improve pier bottom bending resistance, also enhancing seam crossing bending resistance in increasing pier bottom section, which is operated
Simply, easily controllable construction quality, stress are reliable, construction is convenient, can significantly reduce site welding and concrete casting etc.
Workload accelerates construction progress, and saves engineering cost.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of for the precast pier of empty rail and the connecting structure of prefabricated foundation, which is characterized in that including being set to prefabricated cushion cap
(1) groove (2) on, the groove (2) is interior to be equipped with positioning pier (3), and the shape size of the groove (2) is adapted to precast hollow pier
(4) shape size of outer rim, positioning pier (3) is adapted to the inner edge of the precast hollow pier (4), the precast hollow pier
(4) lower part is equipped with injected hole (5), after the hollow pier (4) is sheathed on the positioning pier (3) and is set to the groove (2), by institute
It states injected hole (5) casting concrete and forms the concrete structure connection prefabricated cushion cap (1) and the hollow pier (4).
2. connecting structure according to claim 1, which is characterized in that be equipped with gas vent (6) on the upside of the injected hole (5).
3. connecting structure according to claim 1, which is characterized in that the depth of the groove (2) is 3cm-10cm.
4. connecting structure according to claim 3, which is characterized in that the depth of the groove (2) is 5cm.
5. connecting structure according to claim 1-4, which is characterized in that the prefabricated cushion cap (1), the groove
(2) and the positioning pier (3) is an integral molding structure part.
6. connecting structure according to claim 5, which is characterized in that the prefabricated cushion cap (1), the groove (2) and institute
State the reinforcing bar HPC structural member that positioning pier (3) is integrally formed.
7. a kind of for the precast pier of empty rail and the connecting structure of prefabricated foundation, which is characterized in that including being set to prefabricated cushion cap
(1) sleeve (7) on, for the sleeve (7) for being arranged bridge pier (8), the inner dimensions of the sleeve (7) are greater than the bridge pier
(8) physical dimension, the bridge pier (8) are set to casting concrete in the sleeve (7) backward described sleeve (7) and form concrete
Structural member connects the prefabricated cushion cap (1) and the bridge pier (8).
8. connecting structure according to claim 7, which is characterized in that the height of the sleeve (7) is 10cm-20cm.
9. according to the described in any item connecting structure of claim 7-8, which is characterized in that the bridge pier (8) is hollow pier.
10. connecting structure according to claim 9, which is characterized in that the hollow pier is sheathed in the sleeve (7)
Lower part be equipped with slurry leakage hole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820750789.6U CN208183520U (en) | 2018-05-18 | 2018-05-18 | It is a kind of for the precast pier of empty rail and the connecting structure of prefabricated foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820750789.6U CN208183520U (en) | 2018-05-18 | 2018-05-18 | It is a kind of for the precast pier of empty rail and the connecting structure of prefabricated foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208183520U true CN208183520U (en) | 2018-12-04 |
Family
ID=64428453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820750789.6U Active CN208183520U (en) | 2018-05-18 | 2018-05-18 | It is a kind of for the precast pier of empty rail and the connecting structure of prefabricated foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208183520U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592423A (en) * | 2022-04-01 | 2022-06-07 | 中国十九冶集团有限公司 | Wet joint connection construction method of prefabricated pier stud and bearing platform |
| CN115897494A (en) * | 2022-11-03 | 2023-04-04 | 广东海洋大学 | Ship bridge anti-collision device based on laser ranging |
-
2018
- 2018-05-18 CN CN201820750789.6U patent/CN208183520U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592423A (en) * | 2022-04-01 | 2022-06-07 | 中国十九冶集团有限公司 | Wet joint connection construction method of prefabricated pier stud and bearing platform |
| CN114592423B (en) * | 2022-04-01 | 2024-01-30 | 中国十九冶集团有限公司 | Wet joint connection construction method for prefabricated pier column and bearing platform |
| CN115897494A (en) * | 2022-11-03 | 2023-04-04 | 广东海洋大学 | Ship bridge anti-collision device based on laser ranging |
| CN115897494B (en) * | 2022-11-03 | 2023-09-29 | 广东海洋大学 | Bridge buffer stop based on laser rangefinder |
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