CN110453590A - A kind of antisymmetry plane swivel structure and its construction method - Google Patents
A kind of antisymmetry plane swivel structure and its construction method Download PDFInfo
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- CN110453590A CN110453590A CN201910731471.2A CN201910731471A CN110453590A CN 110453590 A CN110453590 A CN 110453590A CN 201910731471 A CN201910731471 A CN 201910731471A CN 110453590 A CN110453590 A CN 110453590A
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- beam body
- antisymmetry
- pier
- existing line
- central bearing
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A kind of antisymmetry plane swivel structure and its construction method, with simply supported beam ontology, simply supported beam ontology is arranged on existing line, the simply supported beam ontology at least has there are two side fulcrum bridge pier, one central bearing point Frame Pier and two beam body compositions, the central bearing point Frame Pier is by crossbeam, at least two upright of frame composition, crossbeam is arranged on upright of frame, the side fulcrum bridge pier is located at the two sides of existing line, one end setting of the beam body is on the rotating shaft, the other end of beam body is arranged on slideway, the other end is slided along slideway level when one end of beam body is horizontally rotated using rotation axis as the center of circle, beam body respectively realizes antisymmetry plane swivel centered on rotation axis, it synchronizes in place, the present invention can be applicable to new route and intersect work point with existing line low-angle, it is fast with speed of application, it is small on both wired influences, it permanent structure and applies The advantages that work temporary structure is combined, reduced investment outlay, integrates economics and applicability, has wide application prospect.
Description
Technical field
The present invention relates to bridge construction field more particularly to a kind of antisymmetry plane swivel structures and its construction method.
Background technique
Currently, construction method mostly uses top when new route (railway, highway, urban rail) is intersected with existing line low-angle
It pushes away, cantilever pouring, free cantilever erection, translation etc.；For incremental launching construction, need to be arranged nose girder and Temporary Piers, complicated construction technique is made
Valence is high；For free cantilever erection and cantilever pouring, have the shortcomings that big on both wired influences；For translation, need that slipway beam is arranged,
There are temporary project quantity is more, high cost disadvantage.
Summary of the invention
The present invention provides a kind of antisymmetry plane swivel structure and its construction method, it is therefore an objective to prior art problem is solved,
A kind of in the case where not influencing existing line operation, the antisymmetry plane swivel of convenient and quick, inexpensive new route is provided
Structure and its construction method.
The present invention solve the problems, such as the technical solution adopted is that:
A kind of antisymmetry plane swivel structure has simply supported beam ontology, and simply supported beam ontology is arranged on existing line, special
Sign is: the simply supported beam ontology at least has that there are two side fulcrum bridge pier, a central bearing point Frame Pier and two beam bodies composition, institutes
State side fulcrum bridge pier and central bearing point Frame Pier be the permanent support structure of beam body, the central bearing point Frame Pier by crossbeam, at least
Two upright of frame compositions, crossbeam are arranged on upright of frame, and the side fulcrum bridge pier is located at the two sides of existing line, institute
The top for stating side fulcrum bridge pier is equipped with rotation axis, and central bearing point Frame Pier is equipped with slideway, and slideway is located on crossbeam, the beam body
One end is arranged on the rotating shaft, and the other end of beam body is arranged on slideway, and one end of beam body horizontally rotates by the center of circle of rotation axis
When the other end slided along slideway level, beam body respectively realizes antisymmetry plane swivel centered on rotation axis, synchronizes in place.
It is curve slideway that the central bearing point Frame Pier, which is equipped with slideway,.
The central bearing point Frame Pier is located above existing line and laterally across existing line.
The existing line is existing traffic route or existing pipeline, and the traffic route includes highway, railway, city rail
Road traffic route, the existing pipeline include transmission of electricity pipeline, waterline, petroleum pipeline, gas transmission line or optical cable.
The simply supported beam ontology is freely supported structure, at least has two or more beam bodies.
The beam body is beams of concrete or girder steel.
The beam body is box beam, T beam, plate-girder, steel box-girder, steel truss girder or plate girder.
The crossbeam and upright of frame are all made of steel construction or concrete structure.
The simply supported beam ontology is two hole freely-supported beam bodies.
A kind of construction method of the antisymmetry plane swivel structure, it is characterised in that: the following steps are included:
(1) two holes simply supported beam ontology both ends are respectively equipped with any of in fulcrum bridge pier, two fulcrum bridge pier line
The settable central bearing point Frame Pier in position, central bearing point Frame Pier are located above existing line and laterally across existing line；
(2) construction beam body is respectively set on the side fulcrum bridge pier for being located at existing line two sides, one end setting of beam body exists
In the rotation axis of side fulcrum bridge pier, the other end is arranged on the sliding rail of the ipsilateral central bearing point Frame Pier crossbeam of existing line；
(3) after the completion of the construction beam body being arranged on the outside of existing line, one end of beam body turns by center of circle level of rotation axis
The other end is slided along slideway to the midtread of crossbeam when dynamic, and when swivel, beam body is in simply-supported state；
(4) beam body respectively realizes antisymmetry plane swivel centered on rotation axis, synchronizes in place, construction completion.
Beneficial effects of the present invention:
1, the present invention can be applicable to new route and intersect work point with existing line low-angle, have speed of application fast, to both
The advantages that wired influence is small, and permanent structure and construction temporary structure are combined, reduced investment outlay.
2, the shortcomings that present invention can overcome current low-angle to cross over both wired arrangement and method for construction；Good economy performance of the present invention, it is practical
Property it is strong, have wide application prospect.
Detailed description of the invention
Fig. 1 is that a kind of antisymmetry plane swivel structure swivel of the present invention completes front and back trajectory plane schematic diagram；
Fig. 2 is a kind of antisymmetry plane swivel structural facades schematic diagram of the present invention；
Fig. 3 is central bearing point Frame Pier structural schematic diagram of the present invention.
Wherein: 1 beam body swivel completes position；2 beam bodies turn front position；3. side fulcrum bridge pier；4. central bearing point Frame Pier；6.
Existing line；7. rotation axis；8. slideway；9. beam body；10. upright of frame；11. crossbeam；12. simply supported beam ontology.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
A kind of antisymmetry plane swivel structure as shown in Figs. 1-3, has simply supported beam ontology 12, and the simply supported beam ontology 12 is
Freely supported structure at least has two or more beam bodies 9, and simply supported beam ontology 12 is arranged on existing line 6, the simply supported beam
Ontology 12 at least has that there are two 3, central bearing point Frame Piers 4 of side fulcrum bridge pier and two beam bodies 9 to form, the side fulcrum bridge pier
3 and central bearing point Frame Pier 4 be beam body 9 permanent support structure, the central bearing point Frame Pier 4 is by crossbeam 11, at least two frames
Column 10 is erected to form, crossbeam 11 is arranged on upright of frame 10, and the side fulcrum bridge pier 3 is located at the two sides of existing line 6,
The top of the side fulcrum bridge pier 3 is equipped with rotation axis 7, and central bearing point Frame Pier 4 is equipped with slideway 8, and slideway 8 is located on crossbeam 11,
One end of the beam body 9 is arranged in rotation axis 7, and the other end of beam body 9 is arranged on slideway 8, and one end of beam body 9 is with rotation axis
7 other ends when horizontally rotating for the center of circle are separately positioned on the beam body 9 of 6 two sides of existing line respectively to turn along the horizontal sliding of slideway 8
Antisymmetry plane swivel is realized centered on moving axis, is synchronized in place.
It is curve slideway that the central bearing point Frame Pier 4, which is equipped with slideway 8,.
The central bearing point Frame Pier 4 is located at 6 top of existing line and laterally across existing line.
The existing line is existing traffic route or existing pipeline, and the traffic route includes highway, railway, city rail
Road traffic route, the existing pipeline include transmission of electricity pipeline, waterline, petroleum pipeline, gas transmission line or optical cable.
The beam body 9 is beams of concrete or girder steel.
The beam body 9 is box beam, T beam, plate-girder, steel box-girder, steel truss girder or plate girder.
The crossbeam 11 and upright of frame 10 are all made of steel construction or concrete structure.
The simply supported beam ontology 12 is two hole freely-supported beam bodies.
A kind of construction method of antisymmetry plane swivel structure, comprising the following steps:
(1) two holes simply supported beam ontology both ends are respectively equipped with any of in fulcrum bridge pier, two fulcrum bridge pier line
The settable central bearing point Frame Pier in position, central bearing point Frame Pier are located above existing line and laterally across existing line；
(2) construction beam body is respectively set on the side fulcrum bridge pier for being located at existing line two sides, one end setting of beam body exists
In the rotation axis of side fulcrum bridge pier, the other end is arranged on the sliding rail of the ipsilateral central bearing point Frame Pier crossbeam of existing line；
(3) after the completion of the construction beam body being arranged on the outside of existing line, one end of beam body turns by center of circle level of rotation axis
The other end is slided along slideway to the midtread of crossbeam when dynamic；When swivel, beam body is in simply-supported state；
(4) beam body for being separately positioned on 6 two sides of existing line respectively realizes antisymmetry plane swivel centered on rotation axis,
It synchronizes in place, is finally fixedly connected at the both ends of beam body with side fulcrum bridge pier, central bearing point Frame Pier respectively, construction is completed.
Center of rotation when the side fulcrum bridge pier is beam body swivel, and be the permanent support structure of beam body.
The central bearing point Frame Pier is the support construction of slideway, and is the permanent support structure of beam body.
I.e. can be applicable to new route intersects work point with existing line low-angle to the present invention, has speed of application fast, to both
The advantages that wired influence is small, and permanent structure and construction temporary structure are combined, reduced investment outlay, can also overcome current low-angle to cross over
Both the shortcomings that wired arrangement and method for construction；Good economy performance of the present invention, it is practical, there is wide application prospect.
Claims (10)
1. a kind of antisymmetry plane swivel structure has simply supported beam ontology, simply supported beam ontology is arranged on existing line, feature
Be: the simply supported beam ontology at least has there are two side fulcrum bridge pier, a central bearing point Frame Pier and two beam body compositions, described
Side fulcrum bridge pier and central bearing point Frame Pier are the permanent support structure of beam body, the central bearing point Frame Pier by crossbeam, at least two
A upright of frame composition, crossbeam are arranged on upright of frame, and the side fulcrum bridge pier is located at the two sides of existing line, described
The top of side fulcrum bridge pier is equipped with rotation axis, and central bearing point Frame Pier is equipped with slideway, and slideway is located on crossbeam, and the one of the beam body
On the rotating shaft, the other end of beam body is arranged on slideway, when one end of beam body is horizontally rotated using rotation axis as the center of circle for end setting
The other end is slided along slideway level, and beam body respectively realizes antisymmetry plane swivel centered on rotation axis, is synchronized in place.
2. a kind of antisymmetry plane swivel structure according to claim 1, it is characterised in that: set on the central bearing point Frame Pier
Some slideways are curve slideway.
3. a kind of antisymmetry plane swivel structure according to claim 1, it is characterised in that: the central bearing point Frame Pier is located at
Above existing line and laterally across existing line.
4. according to claim 1 or a kind of 3 antisymmetry plane swivel structures, it is characterised in that: the existing line is both
There are traffic route or existing pipeline, the traffic route includes highway, railway, city rail traffic route, the existing pipeline
Including transmission of electricity pipeline, waterline, petroleum pipeline, gas transmission line or optical cable.
5. a kind of antisymmetry plane swivel structure according to claim 1, it is characterised in that: the simply supported beam ontology is freely-supported
Structure at least has two or more beam bodies.
6. a kind of antisymmetry plane swivel structure according to claim 1, it is characterised in that: the beam body be beams of concrete or
Girder steel.
7. a kind of antisymmetry plane swivel structure according to claim 1 or 6, it is characterised in that: the beam body is box beam, T
Beam, plate-girder, steel box-girder, steel truss girder or plate girder.
8. a kind of antisymmetry plane swivel structure according to claim 1, it is characterised in that: the crossbeam and upright of frame are equal
Using steel construction or concrete structure.
9. a kind of antisymmetry plane swivel structure according to claim 1, it is characterised in that: the simply supported beam ontology is two holes
Freely-supported beam body.
10. a kind of construction method of antisymmetry plane swivel structure according to claim 1, it is characterised in that: including following
Step:
(1) two holes simply supported beam ontology both ends are respectively equipped with any position of the fulcrum bridge pier line in fulcrum bridge pier, two
Settable central bearing point Frame Pier, central bearing point Frame Pier are located above existing line and laterally across existing line；
(2) construction beam body is respectively set on the side fulcrum bridge pier for being located at existing line two sides, one end of beam body is arranged in side branch
In the rotation axis of point bridge pier, the other end is arranged on the sliding rail of the ipsilateral central bearing point Frame Pier crossbeam of existing line；
(3) after the completion of the construction beam body being arranged on the outside of existing line, when one end of beam body is horizontally rotated using rotation axis as the center of circle
The other end is slided along slideway to the midtread of crossbeam；When swivel, beam body is in simply-supported state；
(4) beam body respectively realizes antisymmetry plane swivel centered on rotation axis, synchronizes in place, construction completion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910731471.2A CN110453590A (en) | 2019-08-08 | 2019-08-08 | A kind of antisymmetry plane swivel structure and its construction method |
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| CN201910731471.2A CN110453590A (en) | 2019-08-08 | 2019-08-08 | A kind of antisymmetry plane swivel structure and its construction method |
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| CN110453590A true CN110453590A (en) | 2019-11-15 |
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| CN201910731471.2A Pending CN110453590A (en) | 2019-08-08 | 2019-08-08 | A kind of antisymmetry plane swivel structure and its construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112854021A (en) * | 2021-02-02 | 2021-05-28 | 中铁二十四局集团安徽工程有限公司 | Rotary in-place construction method for crossing bridge |
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2019
- 2019-08-08 CN CN201910731471.2A patent/CN110453590A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112854021A (en) * | 2021-02-02 | 2021-05-28 | 中铁二十四局集团安徽工程有限公司 | Rotary in-place construction method for crossing bridge |
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