CN208201514U - The connecting structure and track girder system of suspension type monorail prefabricated crossbeam and precast pier - Google Patents
The connecting structure and track girder system of suspension type monorail prefabricated crossbeam and precast pier Download PDFInfo
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- CN208201514U CN208201514U CN201820750524.6U CN201820750524U CN208201514U CN 208201514 U CN208201514 U CN 208201514U CN 201820750524 U CN201820750524 U CN 201820750524U CN 208201514 U CN208201514 U CN 208201514U
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- bridge pier
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- prefabricated crossbeam
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Abstract
The utility model discloses the connecting structure and track girder system of a kind of suspension type monorail prefabricated crossbeam and precast pier, connecting structure includes the plug-type interconnecting piece being equipped in prefabricated crossbeam end, the pier diaphragm plate being equipped with inside precast hollow bridge pier, pier diaphragm plate closes the hollow parts of precast hollow bridge pier, and precast hollow bridge pier is divided into the bridge pier interconnecting piece on top and the common bridge pier portion of lower part, plug-type interconnecting piece is adapted with the hollow parts of bridge pier interconnecting piece, and the height of plug-type interconnecting piece is less than the height of bridge pier interconnecting piece, buffer damping block is additionally provided between plug-type interconnecting piece and pier diaphragm plate；Track girder system includes several track girders, prefabricated crossbeam is connected between two neighboring track girder, the both ends of each prefabricated crossbeam are connected with precast hollow bridge pier, any connecting structure is set between each prefabricated crossbeam and precast hollow bridge pier, avoid the fatigue problem of solder design, convenient for construction, buffer damping block can then consume energy.
Description
Technical field
The utility model relates to track engineering field, especially a kind of company of suspension type monorail prefabricated crossbeam and precast pier
Connect construction and track girder system.
Background technique
System of simple supporting bridge due to the feature that stress is clear, service performance is good, technology is the most mature, project cost is low by
To widely using.In order to which armored concrete suspension type monorail traffic bridge is designed to system of simple supporting, pier consolidation on the whole
Construction is bridge load by the superstructure key link that structure is transmitted to the lower part, armored concrete suspension type monorail traffic bridge
Collective effect of the consolidation construction by biggish axial compressive force, certain biaxial bending, torque and horizontal shear, stress is multiple
Miscellaneous, fatigue problem is prominent, reasonability, the reliability of power transmission, the convenience of the safety of itself stress and construction of structure construction
It is the key that design.
Mainly there are welding connecting mode, nested grouting connection, grouting mouth connection using most pier consolidation constructions at present
And prestressed bolt connects four kinds of modes.
(1) although welding connecting mode simple structure, easy for construction, under the effect of frequent Ground Induced by Train Moving, weldering
The suffered stress amplitude of seam is larger, and tired feature is obvious, totally unfavorable to weld seam stress safety.In addition, because pier beam size compared with
Small, the operating space of welded seam is narrow, and welding quality is caused to be difficult to ensure, to influence safety；
(2) there are the gap between the pier stud of cast-in-site and the build-in steel plate of factory process is not easily-controllable for nested grouting connection
System, causes enforcement difficulty big, is affected by this, the transmitting of pulling force may fail, and lead to finish rolling screw thread sheared destruction；
(3) although grouting mouth connection construction is very convenient, and transmission force property is reliable, and it is larger that grouting mouth need to occupy crossbeam
Area of section, the sectional dimension of crossbeam there are certain requirements, be not suitable for using in the lesser crossbeam of width；
(4) anti-fatigue performance of prestressed bolt connection is very good, but when transverse beam lifting is in place needs accurate device to hole, and
It needs using specialized furniture repeatedly stretching anchor bolt, difficulty of construction is very big in narrow operating space.
Therefore, it is necessary to design, one kind is structurally reasonable, transmission force property is reliable, anti-fatigue performance is good and hanging convenient for construction
The connecting structure of hanging single track prefabricated crossbeam and precast pier.
Utility model content
The goal of the invention of the utility model is: in view of the problems of the existing technology, it is pre- to provide a kind of suspension type monorail
The connecting structure and track girder system of crossbeam and precast pier processed, the connecting structure is structurally reasonable, transmission force property is reliable, antifatigue
Performance is good and convenient for construction.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
A kind of connecting structure of suspension type monorail prefabricated crossbeam and precast pier is inserted including what is be equipped in prefabricated crossbeam end
Hair style interconnecting piece, the pier diaphragm plate being equipped with inside precast hollow bridge pier；The pier diaphragm plate is by the precast hollow bridge
The hollow parts of pier are isolated to form hollow unit hollow unit under, and the bridge pier that precast hollow bridge pier is divided into top is connected
The common bridge pier portion of socket part and lower part, the plug-type interconnecting piece are adapted with the upper hollow unit of bridge pier interconnecting piece, and described
The height of plug-type interconnecting piece is less than the height of the bridge pier interconnecting piece, between the plug-type interconnecting piece and pier diaphragm plate also
Equipped with buffer damping block.
When carrying out prefabricated crossbeam and precast hollow bridge pier connection construction, buffer damping block need to be only put into bridge pier interconnecting piece
Upper hollow unit, then again by the upper hollow unit of plug-type interconnecting piece insertion bridge pier interconnecting piece, in plug-type interconnecting piece and
The steady of prefabricated crossbeam and precast hollow bridge pier can be completed in the seaming position injection cement mortar or epoxy resin of bridge pier interconnecting piece
It is solidly connected.
Such connecting structure avoids the fatigue problem of solder design, also complicated without the technology of prestressed bolt connection
Property, without big operating space, additional built-in type anchor system expense is saved, is highly convenient for constructing, is greatly saved and applies
Work cost.In addition, the buffer damping block being equipped between plug-type interconnecting piece and pier diaphragm plate can consume energy, to reduce
Pier stud dynamic response caused by train traffic and vertical seismic motion.A whole set of connecting structure is structurally reasonable, transmission force property is reliable,
Anti-fatigue performance is good and convenient for construction, the company especially suitable for armored concrete suspension type monorail prefabricated crossbeam and precast pier
It connects.
As a preferred embodiment of the present invention, the buffer damping block is made using rubber material.
As a preferred embodiment of the present invention, the diameter of the plug-type interconnecting piece is less than bridge pier interconnecting piece overhead
The diameter of heart unit, and be also equipped with wearing plate on the inner wall of bridge pier interconnecting piece, for mitigating train traffic and vertical
Abrasion of the earthquake motion to precast hollow bridge pier.
As a preferred embodiment of the present invention, the wearing plate and precast hollow bridge pier detachable connection, convenient for peace
Dress and replacement.
As a preferred embodiment of the present invention, the wearing plate meets sandwich plate using steel plate or polytetrafluoroethylene (PTFE).
As a preferred embodiment of the present invention, it is correspondingly provided with duct in the plug-type interconnecting piece and bridge pier interconnecting piece,
And tensioning is carried out by tension reinforcing steel bar, to enhance the shear behavior of plug-type interconnecting piece Yu bridge pier interconnecting piece.
As a preferred embodiment of the present invention, the duct is preformed hole, convenient for construction, saves process.
It is two neighboring the invention also discloses a kind of suspension type monorail track girder system, including several track girders
Prefabricated crossbeam is connected between the track girder, the both ends of each prefabricated crossbeam are connected with precast hollow bridge pier, Mei Gesuo
It states and any connecting structure is set between prefabricated crossbeam and precast hollow bridge pier.It can be fast implemented using the connecting structure
The fabricated construction of suspension type monorail track girder system improves construction precision, accelerates construction progress.
As a preferred embodiment of the present invention, the plug-type interconnecting piece and prefabricated crossbeam are armored concrete knot
Structure, and the plug-type interconnecting piece is an integral molding structure with prefabricated crossbeam, not only bonding strength is high, and is highly convenient for constructing,
Installation procedure and construction cost are saved.
As a preferred embodiment of the present invention, the pier diaphragm plate and precast hollow bridge pier are armored concrete knot
Structure, and the pier diaphragm plate and precast hollow bridge pier are an integral molding structure part, not only bonding strength is high, and is highly convenient for applying
Work has saved installation procedure and construction cost.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1, the fatigue problem of solder design is avoided, also without the technical complexity of prestressed bolt connection, without big
Operating space saves additional built-in type anchor system expense, is highly convenient for constructing, construction cost is greatly saved.In addition,
The buffer damping block being equipped between plug-type interconnecting piece and pier diaphragm plate can consume energy, to reduce train traffic
With pier stud dynamic response caused by vertical seismic motion.A whole set of connecting structure is structurally reasonable, transmission force property is reliable, anti-fatigue performance
Well and convenient for construction.
2, it is also equipped with wearing plate on the inner wall of bridge pier interconnecting piece, for mitigating train traffic and vertical seismic motion
Abrasion to precast hollow bridge pier；The plug-type interconnecting piece and bridge pier interconnecting piece are correspondingly provided with duct, and pass through tension reinforcing steel bar
Tensioning is carried out, to enhance the shear behavior of plug-type interconnecting piece Yu bridge pier interconnecting piece.
Detailed description of the invention
Fig. 1 is the connecting structure of suspension type monorail prefabricated crossbeam and precast pier described in the utility model embodiment 1
Structural schematic diagram.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is the B-B cross-sectional view of Fig. 1.
Fig. 4 is the connecting structure of suspension type monorail prefabricated crossbeam and precast pier described in the utility model embodiment 2
Cross-sectional view.
Fig. 5 is a kind of structural schematic diagram of suspension type monorail track girder system described in the utility model embodiment 3.
Marked in the figure: 1- prefabricated crossbeam, 2- precast hollow bridge pier, 21- bridge pier interconnecting piece, the common bridge pier portion 22-, 3- buffering
Damping block, 4- plug-type interconnecting piece, 5- pier diaphragm plate, 6- wearing plate, 7- tension reinforcing steel bar, 8- track girder, 9 one slide bolts.
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 Figure 1-Figure 3, a kind of connecting structure of suspension type monorail prefabricated crossbeam and precast pier, is included in prefabricated cross
The plug-type interconnecting piece 4 that 1 end of beam is equipped with, the pier diaphragm plate 5 being equipped with inside precast hollow bridge pier 2.The pier diaphragm
Plate 5 hollow parts of the precast hollow bridge pier 2 are isolated to be formed upper hollow unit and under hollow unit, and by precast hollow bridge
Pier 2 is divided into the bridge pier interconnecting piece 21 on top and the common bridge pier portion 22 of lower part, the plug-type interconnecting piece 4 and bridge pier interconnecting piece
21 upper hollow unit is adapted.
The height of the plug-type interconnecting piece 4 is less than the height of the bridge pier interconnecting piece 21,4 He of plug-type interconnecting piece
The buffer damping block 3 of rubber material is additionally provided between pier diaphragm plate 5.The diameter of the plug-type interconnecting piece 4 is less than the bridge
The diameter of hollow unit on pier interconnecting piece 21, and wearing plate 6 has also been removably installed on the inner wall of bridge pier interconnecting piece 21, institute
It states wearing plate 6 and sandwich plate is met using steel plate or polytetrafluoroethylene (PTFE).
When carrying out prefabricated crossbeam 1 and precast hollow 2 connection construction of bridge pier, wearing plate 6 need to be only mounted on to bridge pier connection
On the inner wall in portion 21, buffer damping block 3 is put into the upper hollow unit of bridge pier interconnecting piece 21, then again by plug-type interconnecting piece 4
It is inserted into the upper hollow unit of bridge pier interconnecting piece 21, injects cement in the seaming position of plug-type interconnecting piece 4 and bridge pier interconnecting piece 21
Being bonded for prefabricated crossbeam 1 and precast hollow bridge pier 2 can be completed in mortar or epoxy resin.
Embodiment 2
As shown in figure 4, the present embodiment difference from example 1 is that, suspension type monorail prefabricated crossbeam and prefabricated bridge
The connecting structure of pier further includes being reserved with duct in the plug-type interconnecting piece 4 and bridge pier interconnecting piece 21, and pass through tension reinforcing steel bar 7
Tensioning is carried out, tensioning is carried out by tension reinforcing steel bar 7, to enhance the shear behavior of plug-type interconnecting piece 4 Yu bridge pier interconnecting piece 21.
Embodiment 3
As shown in figure 5, a kind of suspension type monorail track girder system, including several track girders 8, the two neighboring track
Beam 8 is suspended on prefabricated crossbeam 1 by slide bolt 9, and the both ends of each prefabricated crossbeam 1 are connected with precast hollow bridge pier 2,
Any connecting structure is provided between each prefabricated crossbeam 1 and precast hollow bridge pier 2.
Wherein, the plug-type interconnecting piece 4 and prefabricated crossbeam 1 are reinforced concrete structure, and the plug-type connects
Portion 4 is an integral molding structure with prefabricated crossbeam 1.The pier diaphragm plate 5 and precast hollow bridge pier 2 are armored concrete knot
Structure, and the pier diaphragm plate 5 and precast hollow bridge pier 2 are an integral molding structure part.
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 connecting structure of suspension type monorail prefabricated crossbeam and precast pier, which is characterized in that be included in prefabricated crossbeam (1)
The plug-type interconnecting piece (4) that end is equipped with, the pier diaphragm plate (5) being equipped with inside precast hollow bridge pier (2)；The pier abdomen is horizontal
The hollow parts of the precast hollow bridge pier (2) are isolated to form upper hollow unit hollow unit under for partition (5), and will be prefabricated
Hollow pier (2) is divided into the bridge pier interconnecting piece (21) on top and the common bridge pier portion (22) of lower part, the plug-type interconnecting piece
(4) it is adapted with the upper hollow unit of bridge pier interconnecting piece (21), and the height of the plug-type interconnecting piece (4) is less than the bridge pier
The height of interconnecting piece (21) is additionally provided with buffer damping block (3) between the plug-type interconnecting piece (4) and pier diaphragm plate (5).
2. the connecting structure of suspension type monorail prefabricated crossbeam and precast pier according to claim 1, which is characterized in that institute
Buffer damping block (3) is stated to be made using rubber material.
3. the connecting structure of suspension type monorail prefabricated crossbeam and precast pier according to claim 1, which is characterized in that institute
The diameter for stating plug-type interconnecting piece (4) is less than the diameter of hollow unit on the bridge pier interconnecting piece (21), and in bridge pier interconnecting piece
(21) wearing plate (6) are also equipped on inner wall.
4. the connecting structure of suspension type monorail prefabricated crossbeam and precast pier according to claim 3, which is characterized in that institute
State wearing plate (6) and precast hollow bridge pier (2) detachable connection.
5. the connecting structure of suspension type monorail prefabricated crossbeam and precast pier according to claim 3, which is characterized in that institute
It states wearing plate (6) and sandwich plate is met using steel plate or polytetrafluoroethylene (PTFE).
6. the connecting structure of suspension type monorail prefabricated crossbeam and precast pier according to claim 1, which is characterized in that
The plug-type interconnecting piece (4) and bridge pier interconnecting piece (21) are correspondingly provided with duct, and carry out tensioning by tension reinforcing steel bar (7).
7. the connecting structure of suspension type monorail prefabricated crossbeam and precast pier according to claim 6, which is characterized in that institute
Stating duct is preformed hole.
8. a kind of suspension type monorail track girder system, including several track girders (8), which is characterized in that the two neighboring rail
It being connected between road beam (8) prefabricated crossbeam (1), the both ends of each prefabricated crossbeam (1) are connected with precast hollow bridge pier (2),
Connection structure as claimed in claim 1 is provided between each prefabricated crossbeam (1) and precast hollow bridge pier (2)
It makes.
9. a kind of suspension type monorail track girder system according to claim 8, which is characterized in that the plug-type interconnecting piece
(4) and prefabricated crossbeam (1) is reinforced concrete structure, and the plug-type interconnecting piece (4) and prefabricated crossbeam (1) are integrated into
Type structure.
10. a kind of suspension type monorail track girder system according to claim 8, which is characterized in that the pier diaphragm plate
(5) and precast hollow bridge pier (2) is reinforced concrete structure, and the pier diaphragm plate (5) is with precast hollow bridge pier (2)
Integrated formed structure part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820750524.6U CN208201514U (en) | 2018-05-18 | 2018-05-18 | The connecting structure and track girder system of suspension type monorail prefabricated crossbeam and precast pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820750524.6U CN208201514U (en) | 2018-05-18 | 2018-05-18 | The connecting structure and track girder system of suspension type monorail prefabricated crossbeam and precast pier |
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| CN208201514U true CN208201514U (en) | 2018-12-07 |
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| CN201820750524.6U Active CN208201514U (en) | 2018-05-18 | 2018-05-18 | The connecting structure and track girder system of suspension type monorail prefabricated crossbeam and precast pier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306425A (en) * | 2019-06-05 | 2019-10-08 | 中铁二院工程集团有限责任公司 | The pier bottom construction for bearing the squat pier rigid frame bridge of moment of flexure can significantly be reduced |
-
2018
- 2018-05-18 CN CN201820750524.6U patent/CN208201514U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306425A (en) * | 2019-06-05 | 2019-10-08 | 中铁二院工程集团有限责任公司 | The pier bottom construction for bearing the squat pier rigid frame bridge of moment of flexure can significantly be reduced |
| CN110306425B (en) * | 2019-06-05 | 2024-03-22 | 中铁二院工程集团有限责任公司 | Pier bottom structure of short pier rigid frame bridge capable of greatly reducing bearing bending moment |
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