CN107740352A - The isolating and protecting platform and construction method of bridge maintaining transformation are shared applied to rail-road - Google Patents
The isolating and protecting platform and construction method of bridge maintaining transformation are shared applied to rail-road Download PDFInfo
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- CN107740352A CN107740352A CN201710796357.9A CN201710796357A CN107740352A CN 107740352 A CN107740352 A CN 107740352A CN 201710796357 A CN201710796357 A CN 201710796357A CN 107740352 A CN107740352 A CN 107740352A
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- platform
- bridge
- outside
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- rail
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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
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of isolating and protecting platform and construction method that bridge maintaining transformation is shared applied to rail-road, it is related to bridge maintaining field.The isolating and protecting platform includes an inner side platform and two outside platforms, inner side platform is fixed on the steel truss girder crossbeam of highway bridge, steel truss girder crossbeam is located at highway bridge bottom surface, two outside platforms are separately fixed at the both sides of highway bridge direction across bridge, and the height of outside platform is less than the height of highway bridge bridge floor.The construction method includes：A, travelling bridge platform is set up as the operation of isolating and protecting platform construction and transport of materials platform；B, the platform on the outside of the construction of the both sides of highway bridge；C, platform on the inside of being constructed on steel truss girder crossbeam.The present invention can avoid producing interference to rail track operation, not influence the normal operation of rail track, and ensure the operation security of rail track in the dismounting of upper strata highway structure.
Description
Technical field
The present invention relates to bridge maintaining field, is specifically related to a kind of isolation that bridge maintaining transformation is shared applied to rail-road
Protective platform and construction method, suitable for the transformation project of the large-scale public bridge superstructure thing of rail-road, be particularly suitable for use on
Layer carriageway plate is changed and rebuilding construction.
Background technology
The large-scale bridge that China is built early stage, because the various component service lifes of bridge are different, Earlier designs use
Haydite concrete carriageway plate substantially achieved design service life.Therefore, many bridges have been faced with bridge floor driving
The problems such as guidance tape is transformed or changed, bridge deck is removed and is changed.Generally, the improvement project amount of bridge is huge, particularly rail-road
Shared Bridge Reconstruction can produce huge potential safety hazard to the operation security of lower floor's rail track.Limited by railway operation safety
System, part rail-road share bridge and even can not be repaired and be transformed, it has to are faced with off-load, restricting traffic flow etc. and ask
Topic.At present, the dismounting of upper strata highway structure inevitably produces interference to rail track operation, influences rail track
The falling of normal operation, especially building waste, build dust, sewage etc. and can all have a strong impact on the safety of railway operation.
The content of the invention
The invention aims to overcome the shortcomings of above-mentioned background technology, there is provided one kind is applied to rail-road and shares bridge dimension
Change the isolating and protecting platform made and construction method.The present invention can be avoided to railway in the dismounting of upper strata highway structure
Railroad embankment produces interference, does not influence the normal operation of rail track, and ensure the operation security of rail track.
The present invention provides a kind of isolating and protecting platform that bridge maintaining transformation is shared applied to rail-road, and the rail-road shares bridge
Beam includes highway bridge and railroad bridge, and highway bridge is located at the top of railroad bridge, and the isolating and protecting platform includes one
Inner side platform and two outside platforms, inner side platform are fixed on the steel truss girder crossbeam of highway bridge, and steel truss girder crossbeam is positioned at public affairs
Road and bridge soffit, two outside platforms are separately fixed at the both sides of highway bridge direction across bridge, and the height of outside platform is less than public affairs
The height of road and bridge beam bridge floor.
On the basis of above-mentioned technical proposal, the outside platform is fixed on the both sides of highway bridge, highway by suspension rod
On the steel truss girder top boom of bridge be horizontally disposed with have anchor beam, one end of the suspension rod is fixedly connected with anchor beam, the suspension rod it is another
One end is fixedly connected with outside platform.
On the basis of above-mentioned technical proposal, the outside platform includes outside platform surface layer, multiple outside platform beams
With multiple outside platform longerons, the outside platform longeron along bridge to be fixed on outside platform beams on, the outside flat surface
Layer is laid on the platform longeron of outside.
On the basis of above-mentioned technical proposal, the suspension rod includes the first suspension rod and the second suspension rod, and first suspension rod inclines
Tiltedly set, second suspension rod is vertically arranged, and the anchor beam includes the first anchor beam and the second anchor beam, first anchor beam and second
Anchor beam is arranged on steel truss girder top boom, and first anchor beam is located at the top of the second anchor beam, the both ends point of first suspension rod
Be not fixedly connected with the first anchor beam and outside platform beams, the both ends of second suspension rod respectively with the second anchor beam and outside platform
Crossbeam is fixedly connected.
On the basis of above-mentioned technical proposal, first anchor beam and the second anchor beam are fixedly connected by screw-thread steel.
On the basis of above-mentioned technical proposal, the both sides of the outside platform are provided with guardrail, outside platform surface layer bag
Include scaffold board, waterproof ventilated membrane and the checkered steel plate being laid on successively on the platform longeron of outside.
On the basis of above-mentioned technical proposal, the inner side platform includes inner side platform surface layer, multiple inner side platform longerons
With multiple inner side platform beams, multiple inner side platform longerons are along bridge to being fixed on steel truss girder crossbeam, the inner side platform beams
It is fixed between two adjacent inner side platform longerons, the inner side platform surface layer is laid on the platform longeron of inner side.
On the basis of above-mentioned technical proposal, safety net is provided with below the inner side platform, the two of the safety net
End is connected with outside platform respectively.
On the basis of above-mentioned technical proposal, the inner side platform surface layer includes being laid on successively on the platform longeron of inner side
Scaffold board, waterproof ventilated membrane and checkered steel plate.
The present invention also provides a kind of applying for the above-mentioned isolating and protecting platform that bridge maintaining transformation is shared applied to rail-road
Work method, comprises the following steps：
A, travelling bridge platform is set up as the operation of isolating and protecting platform construction and transport of materials platform；
B, the platform on the outside of the construction of the both sides of highway bridge；
C, platform on the inside of being constructed on steel truss girder crossbeam.
On the basis of above-mentioned technical proposal, in step B, construction outside platform specifically comprises the following steps：
B1, the first anchor beam and the second anchor beam are installed on steel truss girder top boom, then the first anchor beam and the second anchor beam are passed through
Screw-thread steel is fixedly connected；
B2, installation outside platform beams, the both ends of the first suspension rod are fixed with the first anchor beam and outside platform beams respectively,
The both ends of second suspension rod are fixed with the second anchor beam and outside platform beams respectively；
B3, on the platform beams of outside installation on the outside of platform longeron, then on the platform longeron of outside laying on the outside of platform
Surface layer.
On the basis of above-mentioned technical proposal, in step C, construction inner side platform specifically comprises the following steps：
C1, in steel truss girder below the crossbeam hang safety net；
C2, multiple inner side platform longerons are fixedly mounted on steel truss girder crossbeam, pacify between adjacent inner side platform longeron
Dress inner side platform beams；
C3, on the platform longeron of inner side laying on the inside of platform surface layer.
Compared with prior art, advantages of the present invention is as follows：
(1) the isolating and protecting platform that the present invention designs shares rail-road by inner side platform and outside platform on the upper strata of bridge
Highway and lower floor railway are completely isolated, and protection effect is served to the rail track of operation.The highway structure on upper strata
During dismounting, it can avoid producing interference to rail track operation, not influence the normal operation of rail track, and ensure rail track
Operation security.Moreover, the isolating and protecting platform can also provide support and construction platform to the highway part on upper strata, ensure
Bridge structure safe.
(2) outside platform of the invention is by the anchor beam of upper setting first and the second anchor beam in steel truss girder top boom, then
Outside platform beams are fixed on the first anchor beam and the second anchor beam by the first suspension rod and the second suspension rod, the first suspension rod is tilted and set
To put, the second suspension rod is vertically arranged so that the first suspension rod and the second suspension rod turn into the strong point of outside platform beams, simple in construction,
And ensure the fix stably of outside platform.
(3) inner side platform of the invention is fixed on steel truss girder crossbeam, and inner side platform is located at rail-road and shares bridge floor
Lower section, can be as the construction platform of the maintenance and renovation of upper strata highway, while during intercepting the maintenance and renovation of upper strata highway
Rubbish, building dust, sewage, do not influence the normal operation of railway, and ensure the operation security of rail track.
Brief description of the drawings
Fig. 1 is that the embodiment of the present invention is applied to the structure that rail-road shares the isolating and protecting platform cross section of bridge maintaining transformation
Schematic diagram.
Fig. 2 is that the embodiment of the present invention is applied to the structure that rail-road shares the isolating and protecting platform vertical section of bridge maintaining transformation
Schematic diagram.
Reference：Platform on the inside of 1-, platform on the outside of 2-, 3- steel truss girder top booms, platform beams on the outside of 4- are flat on the outside of 5-
Platform longeron, 6- suspension rods, the suspension rods of 61- first, the suspension rods of 62- second, 7- anchor beams, the anchor beams of 71- first, the anchor beams of 72- second, 8- outsides are flat
Table top layer, 9- guardrails, 10- steel truss girder crossbeams, 11- inner sides platform longeron, 12- inner sides platform beams, 13- inner sides platform surface layer,
14- safety nets.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in further detail.
Shown in Figure 1, the embodiment of the present invention provides a kind of isolating and protecting that bridge maintaining transformation is shared applied to rail-road
Platform, rail-road, which shares bridge, includes highway bridge and railroad bridge, and highway bridge is located at the top of railroad bridge.Isolating and protecting is put down
Platform includes an inner side platform 1 and two outside platforms 2, and inner side platform 1 is fixed on the steel truss girder crossbeam 10 of highway bridge, steel
Trusses crossbeam 10 is located at highway bridge bottom surface side, and two outside platforms 2 are separately fixed at the both sides of highway bridge direction across bridge, and
The height of outside platform 2 is less than the height of highway bridge bridge floor.
Wherein, outside platform 2 is fixed on the both sides of highway bridge direction across bridge by suspension rod 6, on the steel truss girder of highway bridge
Being horizontally disposed with chord member 3 has anchor beam 7, and one end of suspension rod 6 is fixedly connected with anchor beam 7, and the other end and outside platform 2 of suspension rod 6 are solid
Fixed connection.Outside platform 2 includes outside platform surface layer 8, multiple outside platform beams 4 and multiple outside platform longerons 5, and outside is put down
Direction of the platform crossbeam 4 along bridge cross section is set, and outside platform longeron 5 along bridge to being fixed on the platform beams 4 of outside, put down by outside
Table top layer 8 is laid on outside platform longeron 5.The both sides of outside platform 2 are provided with guardrail 9, outside platform surface layer 8 include according to
Secondary scaffold board, waterproof ventilated membrane and the checkered steel plate being laid on outside platform longeron 5.
In the present embodiment, suspension rod 6 includes the first suspension rod 61 and the second suspension rod 62, and the first suspension rod 61 is obliquely installed, and second
Suspension rod 62 is vertically arranged, and anchor beam 7 includes the first anchor beam 71 and the second anchor beam 72, and the first anchor beam 71 and the second anchor beam 72 are arranged on steel
On trusses top boom 3, the first anchor beam 71 is located at the top of the second anchor beam 72, between being left between the first anchor beam 71 and the second anchor beam 72
Away from.The both ends of first suspension rod 61 are fixedly connected with the first anchor beam 71 and outside platform beams 4 respectively, the both ends point of the second suspension rod 62
It is not fixedly connected with the second anchor beam 72 and outside platform beams 4.Wherein, the first anchor beam 71 and the second anchor beam 72 are consolidated by screw-thread steel
Fixed connection, is further fixed to the first anchor beam 71 and the second anchor beam 72.
Wherein, inner side platform 1 includes inner side platform surface layer 13, multiple inner side platform longerons 11 and multiple inner side platform beams
12, for multiple inner side platform longerons 11 along bridge to being fixed on steel truss girder crossbeam 10, inner side platform beams 12 are fixed on adjacent two
Between individual inner side platform longeron 11, inner side platform surface layer 13 is laid on inner side platform longeron 11.Wherein, under inner side platform 1
Side is provided with safety net 14, the rubbish to drop during maintenance and renovation for intercepting upper strata highway, further railway fortune
The safety of battalion.The both ends of safety net 14 are connected with outside platform 2 respectively, in the present embodiment, the both ends of safety net 14 respectively with
Guardrail 9 connects.Inner side platform surface layer 13 includes scaffold board, waterproof ventilated membrane and the flower being laid on successively on inner side platform longeron 11
Line steel plate.
Shown in Figure 2, outside platform 2 and inner side platform 1 and rail-road share that bridge is isometric, and rail-road shares bridge both sides
Steel truss girder vertical beam passes through outside platform 2, and steel truss girder top boom 3 is between bridge structure and steel truss girder vertical beam.
The embodiment of the present invention also provides a kind of construction for the isolating and protecting platform that bridge maintaining transformation is shared applied to rail-road
Method, comprise the following steps：
A, travelling bridge platform is set up as the operation of isolating and protecting platform construction and transport of materials platform.Specifically, first exist
The bridge floor of highway bridge sets up travelling bridge platform, then in the position that the bridge floor of highway bridge corresponds to above anchor beam 7 to be installed
Put perforate.
B, the platform 2 on the outside of the construction of highway bridge both sides.The outside specifically, the movable loop wheel machine of travelling bridge platform will construct
Material required for platform 2 is transported to the bridge floor of highway bridge by the bridge floor perforate of highway bridge.Installation anchor beam 7, hang
Bar 6, outside platform longeron 5, movable loop wheel machine run to next position for needing to install anchor beam 7, are gradually completing outside platform 2 again
Construction.
C, platform 1 on the inside of being constructed on steel truss girder crossbeam 10.During the platform 1 of construction inner side, it is used as inner side flat on outside platform 2
The material transfer of platform 1 and construction platform.
In step B, construction outside platform 2 specifically comprises the following steps：
B1, the first anchor beam 71 and the second anchor beam 72 be installed on steel truss girder top boom 3, then by the first anchor beam 71 and the second anchor
Beam 72 is fixedly connected by screw-thread steel；
B2, installation outside platform beams 4, by the both ends of the first suspension rod 61 respectively with the first anchor beam 71 and outside platform beams
4 are fixed, and the both ends of the second suspension rod 62 are fixed with the second anchor beam 72 and outside platform beams 4 respectively；
B3, on outside platform beams 4 installation on the outside of platform longeron 5, then on outside platform longeron 5 laying on the outside of put down
Table top layer 8；
In step C, construction inner side platform 1 specifically comprises the following steps：
C1, safety net 14 is hung below steel truss girder crossbeam 10；
C2, multiple inner side platform longerons 11 are fixedly mounted on steel truss girder crossbeam 10, in adjacent inner side platform longeron 11
Between installation inner side platform beams 12；
C3, on inner side platform longeron 11 laying on the inside of platform surface layer 13.
In actual applications, isolating and protecting platform of the invention is also applied for the maintenance of individual layer bridge and other common bridges
Transformation.
Those skilled in the art can carry out various modifications and variations to the embodiment of the present invention, if these modifications and change
Type is within the scope of the claims in the present invention and its equivalent technologies, then these modifications and variations are also in protection scope of the present invention
Within.
The prior art that the content not being described in detail in specification is known to the skilled person.
Claims (12)
1. a kind of isolating and protecting platform that bridge maintaining transformation is shared applied to rail-road, the rail-road, which shares bridge, includes highway bridge
Beam and railroad bridge, highway bridge are located at the top of railroad bridge, it is characterised in that：The isolating and protecting platform is included in one
Side platform (1) and two outside platforms (2), inner side platform (1) are fixed on the steel truss girder crossbeam (10) of highway bridge, steel truss girder
Crossbeam (10) is located at highway bridge bottom surface, and two outside platforms (2) are separately fixed at the both sides of highway bridge direction across bridge, and outside
The height of platform (2) is less than the height of highway bridge bridge floor.
2. the isolating and protecting platform of bridge maintaining transformation is shared applied to rail-road as claimed in claim 1, it is characterised in that：Institute
State the both sides that outside platform (2) is fixed on highway bridge direction across bridge by suspension rod (6), the steel truss girder top boom (3) of highway bridge
Upper horizontally disposed have anchor beam (7), and one end of the suspension rod (6) is fixedly connected with anchor beam (7), the other end of the suspension rod (6) and
Outside platform (2) is fixedly connected.
3. the isolating and protecting platform of bridge maintaining transformation is shared applied to rail-road as claimed in claim 2, it is characterised in that：Institute
Stating outside platform (2) includes outside platform surface layer (8), multiple outside platform beams (4) and multiple outside platform longerons (5), institute
Outside platform longeron (5) is stated along bridge to being fixed on outside platform beams (4), the outside platform surface layer (8) is laid on outside
On platform longeron (5).
4. the isolating and protecting platform of bridge maintaining transformation is shared applied to rail-road as claimed in claim 3, it is characterised in that：Institute
Stating suspension rod (6) includes the first suspension rod (61) and the second suspension rod (62), and first suspension rod (61) is obliquely installed, second suspension rod
(62) it is vertically arranged, the anchor beam (7) includes the first anchor beam (71) and the second anchor beam (72), first anchor beam (71) and second
Anchor beam (72) is arranged on steel truss girder top boom (3), and first anchor beam (71) is located at the top of the second anchor beam (72), and described
The both ends of one suspension rod (61) are fixedly connected with the first anchor beam (71) and outside platform beams (4) respectively, second suspension rod (62)
Both ends be fixedly connected respectively with the second anchor beam (72) and outside platform beams (4).
5. the isolating and protecting platform of bridge maintaining transformation is shared applied to rail-road as claimed in claim 4, it is characterised in that：Institute
The first anchor beam (71) is stated to be fixedly connected by screw-thread steel with the second anchor beam (72).
6. the isolating and protecting platform of bridge maintaining transformation is shared applied to rail-road as claimed in claim 3, it is characterised in that：Institute
The both sides for stating outside platform (2) are provided with guardrail (9), and outside platform surface layer (8) includes being laid on outside platform longeron successively
(5) scaffold board, waterproof ventilated membrane and checkered steel plate on.
7. the isolating and protecting platform for being applied to rail-road and sharing bridge maintaining transformation as any one of claim 1-6, its
It is characterised by：The inner side platform (1) is put down including inner side platform surface layer (13), multiple inner side platform longerons (11) and multiple inner sides
Platform crossbeam (12), multiple inner side platform longerons (11) are along bridge to being fixed on steel truss girder crossbeam (10), the inner side platform beams
(12) it is fixed between two adjacent inner side platform longerons (11), the inner side platform surface layer (13) is laid on inner side platform and indulged
On beam (11).
8. the isolating and protecting platform of bridge maintaining transformation is shared applied to rail-road as claimed in claim 7, it is characterised in that：Institute
State and safety net (14) is provided with below inner side platform (1), the both ends of the safety net (14) connect with outside platform (2) respectively
Connect.
9. the isolating and protecting platform of bridge maintaining transformation is shared applied to rail-road as claimed in claim 8, it is characterised in that：Institute
State scaffold board, waterproof ventilated membrane and riffled iron that inner side platform surface layer (13) includes being laid on successively on inner side platform longeron (11)
Plate.
A kind of 10. construction for being applied to rail-road and sharing the isolating and protecting platform of bridge maintaining transformation for described in claim 1
Method, it is characterised in that comprise the following steps：
A, travelling bridge platform is set up as the operation of isolating and protecting platform construction and transport of materials platform；
B, the platform (2) on the outside of the construction of the both sides of highway bridge；
C, the construction inner side platform (1) on steel truss girder crossbeam (10).
11. the construction method of the isolating and protecting platform of bridge maintaining transformation is shared applied to rail-road as claimed in claim 10,
It is characterized in that：In step B, construction outside platform (2) specifically comprises the following steps：
B1, the first anchor beam (71) and the second anchor beam (72) be installed on steel truss girder top boom (3), then by the first anchor beam (71) and
Two anchor beams (72) are fixedly connected by screw-thread steel；
B2, installation outside platform beams (4), the both ends of the first suspension rod (61) are horizontal with the first anchor beam (71) and outside platform respectively
Beam (4) is fixed, and the both ends of the second suspension rod (62) are fixed with the second anchor beam (72) and outside platform beams (4) respectively；
B3, the installation outside platform longeron (5) on outside platform beams (4), then lay outside on outside platform longeron (5)
Platform surface layer (8).
12. the construction method of the isolating and protecting platform of bridge maintaining transformation is shared applied to rail-road as claimed in claim 11,
It is characterized in that：In step C, construction inner side platform (1) specifically comprises the following steps：
C1, hang safety net (14) below steel truss girder crossbeam (10)；
C2, multiple inner side platform longerons (11) are fixedly mounted on steel truss girder crossbeam (10), in adjacent inner side platform longeron
(11) installation inner side platform beams (12) between；
C3, the laying inner side platform surface layer (13) on inner side platform longeron (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710796357.9A CN107740352A (en) | 2017-09-06 | 2017-09-06 | The isolating and protecting platform and construction method of bridge maintaining transformation are shared applied to rail-road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710796357.9A CN107740352A (en) | 2017-09-06 | 2017-09-06 | The isolating and protecting platform and construction method of bridge maintaining transformation are shared applied to rail-road |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107740352A true CN107740352A (en) | 2018-02-27 |
Family
ID=61235241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710796357.9A Pending CN107740352A (en) | 2017-09-06 | 2017-09-06 | The isolating and protecting platform and construction method of bridge maintaining transformation are shared applied to rail-road |
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| Country | Link |
|---|---|
| CN (1) | CN107740352A (en) |
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| CN108342980A (en) * | 2018-04-04 | 2018-07-31 | 中铁第四勘察设计院集团有限公司 | A kind of railway suspension bridge steel-truss deck bridge face structure |
| CN110485315A (en) * | 2019-08-26 | 2019-11-22 | 广西建工集团联合建设有限公司 | Reinforced Concrete Bridge hangs anchor formula operating platform and its construction |
| CN110528911A (en) * | 2019-07-30 | 2019-12-03 | 中铁大桥局武汉桥梁特种技术有限公司 | Both wired protecting canopy frame, protection canopy and installation method |
| CN112878188A (en) * | 2021-01-25 | 2021-06-01 | 中铁大桥勘测设计院集团有限公司 | Self-telescopic maintenance device and system suitable for steel truss bridge |
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| CN108342980A (en) * | 2018-04-04 | 2018-07-31 | 中铁第四勘察设计院集团有限公司 | A kind of railway suspension bridge steel-truss deck bridge face structure |
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| CN110485315A (en) * | 2019-08-26 | 2019-11-22 | 广西建工集团联合建设有限公司 | Reinforced Concrete Bridge hangs anchor formula operating platform and its construction |
| CN112878188A (en) * | 2021-01-25 | 2021-06-01 | 中铁大桥勘测设计院集团有限公司 | Self-telescopic maintenance device and system suitable for steel truss bridge |
| CN112878188B (en) * | 2021-01-25 | 2022-02-15 | 中铁大桥勘测设计院集团有限公司 | Self-telescopic maintenance device and system suitable for steel truss bridge |
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