CN109487696A - A kind of armored concrete cable-carried arch bridge unloads frame method and apparatus - Google Patents
A kind of armored concrete cable-carried arch bridge unloads frame method and apparatus Download PDFInfo
- Publication number
- CN109487696A CN109487696A CN201811462115.7A CN201811462115A CN109487696A CN 109487696 A CN109487696 A CN 109487696A CN 201811462115 A CN201811462115 A CN 201811462115A CN 109487696 A CN109487696 A CN 109487696A
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- CN
- China
- Prior art keywords
- bracket
- guide part
- crossbeam
- counter
- stull
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
Abstract
Frame method is unloaded the invention discloses a kind of armored concrete cable-carried arch bridge, for removing the stringer, crossbeam and the bracket for being supported in crossbeam bottom of stull lower part, comprising the following steps: crossbeam is anchored using anchor cable；Two counter-force seats are set on bracket, and two counter-force seats are spaced setting in the short transverse of bracket, and telescopic supporting element is arranged between two counter-force seats；Guide part is set between two counter-force seats, and guide part is located at bracket two sides；One section of bracket of internal cutting in guide part region；It shrinks supporting element and transfers anchor cable, be detached from stringer and stull, and form the operating space dismantled for construction personnel between stringer and stull.It is quick that the method for dismounting of bracket of the invention unloads frame method, reduces construction period.
Description
Technical field
The present invention relates to field of bridge construction, and in particular to a kind of armored concrete cable-carried arch bridge unloads frame method and dress
It sets.
Background technique
In recent years, with the fast development of China's economic and society, High-Speed Railway Bridge Construction scale constantly increases, bridge
Form is maked rapid progress, and the bridge across great rivers has welcome upsurge in construction.Not by high-speed overload railroad bridge technical requirements
Disconnected to improve, bracket facility of bridge etc. faces greatly that investment is increasing, risk is higher and higher, especially the biggish Cast-in-situ Beam of span or
The construction of the bridge superstructures such as tied arch is always the heavy difficult point engineering in construction.How in high-altitude and multilayer cross-operation face
It is efficient, high-quality down, be safely completed construction be bridge construction top priority.
The temporary facility that bracket is constructed as bridge superstructure, main function are the temporary supports as superstructure
System, to carry out bridge superstructure construction under high mountain gorge, Gao Dun, large span execution conditions.Steel pipe column bracket for
Soft base, high-altitude bridge construction both can guarantee overall stability, environmental pollution is small, and cost input is low, and consumable quantity is small, construction period
It is short, it more can guarantee construction quality.
Therefore, it is necessary to accelerate bridge superstructure construction speed and the control of process safety quality, tubular pole bracket as far as possible
Effect it is most important, the problem of bracket is safely and fast dismantled, annoyings always on-site personnel, unloads the speed of frame, directly certainly
The speed of bridge superstructure construction is determined.Previous routine unloads the presence of frame method, and time-consuming, ineffective, constructional difficulties, work
Measure big problem.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of armored concrete cable-carried arch bridges
Frame method and apparatus are unloaded, it is quick to unload frame method, unloads that rack device is repeatable to be recycled, and reduces construction period.
To achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of armored concrete cable-carried arch bridge unloads frame method, for removing the stringer of stull lower part, crossbeam and being supported in
The bracket of crossbeam bottom, comprising the following steps:
The crossbeam is anchored using anchor cable；
Two counter-force seats are set on the bracket, and two counter-force seats are spaced in the short transverse of the bracket to be set
It sets, and telescopic supporting element is set between two counter-force seats；
Guide part is set between two counter-force seats, and the guide part is located at the bracket two sides；
One section of bracket of internal cutting in the guide part region；
It shrinks the supporting element and transfers anchor cable, be detached from stringer and stull, and formed between stringer and stull for applying
The operating space of worker person's disassembly.
Based on the above technical solution, crossbeam is anchored using anchor cable, specifically includes the following steps:
The first shoulder pole girder is fixed on the top of the stull；
Second shoulder pole girder is set between the stull and the stringer；
One end of the anchor cable is fixed on first shoulder pole girder, the other end is arranged in first shoulder pole girder,
Two shoulder pole girders and crossbeam, and it is fixed on the crossbeam bottom end.
Based on the above technical solution, the guide part includes fixing end and free end, and the fixing end is set to institute
State the lower end of guide part；
Guide part is set between two counter-force seats, and the guide part is located at the bracket two sides, specifically includes
Following steps:
The fixing end of the guide part and the bracket are welded and fixed.
Based on the above technical solution, in one section of bracket of guide part region internal cutting, specifically:
In the bracket of the guide part region internal cutting 20cm.
Based on the above technical solution, the supporting element is spiral top, shrinks the supporting element and transfers anchor cable tool
Body is the following steps are included: by the spiral top by the counter-force seat roof fall at the top of the spiral top.
Rack device is unloaded the present invention also provides a kind of armored concrete cable-carried arch bridge, for removing the vertical of arch bridge stull lower part
Beam, crossbeam and the bracket for being supported in crossbeam bottom, comprising:
Anchor cable is used to anchor on the crossbeam；
Two counter-force seats, on the bracket, two counter-force seats are along the bracket for two counter-force seat settings
It is spaced setting in short transverse, and telescopic supporting element is set between two counter-force seats；
Guide part is set between two counter-force seats, and the guide part is located at the bracket two sides, can be in institute
One section of bracket of guide part region internal cutting is stated, the supporting element is shunk and transfers anchor cable, is detached from stringer and stull,
And the operating space dismantled for construction personnel is formed between stringer and stull.
Based on the above technical solution, the top of the stull is equipped with the first shoulder pole girder, and the stull is indulged with described
The second shoulder pole girder is equipped between beam, one end of the anchor cable is fixed on first shoulder pole girder, and the other end is arranged in described the
One shoulder pole girder, the second shoulder pole girder and crossbeam, and it is fixed on the crossbeam bottom end.
Based on the above technical solution, the guide part includes fixing end and free end, and the fixing end is set to institute
The lower end of guide part is stated, and the fixing end and the bracket weld.
Based on the above technical solution, the length of the bracket cutting is 20cm.
Based on the above technical solution, the supporting element is spiral top.
Compared with the prior art, the advantages of the present invention are as follows:
A kind of armored concrete cable-carried arch bridge of the invention unloads frame method, for remove arch bridge stull lower part stringer,
Crossbeam and the bracket for being supported in crossbeam bottom, guide part in bracket dropping process after one section of bracket of cutting for preventing bracket inclined
Bracket after cutting is supported by position, counter-force seat and supporting element, by shrinking supporting element and transferring anchor cable, makes stringer and stull
It is detached from, and forms the operating space dismantled for construction personnel between stringer and stull, construction personnel is facilitated to dismantle crossbeam and indulge
Beam, the lower bracket after cutting off also facilitate construction personnel to dismantle, therefore to unload frame method quick for the method for dismounting of bracket of the invention,
It unloads that rack device is repeatable to be recycled, reduces construction period.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of armored concrete cable-carried arch bridge in the embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of the bracket of armored concrete cable-carried arch bridge in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram before the bracket disassembly of armored concrete cable-carried arch bridge a kind of in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram after the bracket disassembly of armored concrete cable-carried arch bridge a kind of in the embodiment of the present invention.
In figure: 1- stull, 2- stringer, 3- crossbeam, 4- bracket, 5- anchor cable, 6- counter-force seat, 7- supporting element, 8- guide part,
80- fixing end, the free end 81-, the first shoulder pole girder of 9-, the second shoulder pole girder of 10-.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments.
Embodiment 1:
Shown in referring to figures 1-4, what the embodiment of the present invention 1 provided a kind of armored concrete cable-carried arch bridge unloads frame method, uses
In stringer 2, crossbeam 3 and the bracket 4 for being supported in 3 bottom of crossbeam of removing 1 lower part of stull, comprising the following steps:
S1, crossbeam 3 is anchored using anchor cable 5, specifically includes the following steps:
S1-1, the first shoulder pole girder 9 is fixed on the top of stull 1；
S1-2, the second shoulder pole girder 10 is set between stull 1 and stringer 2；
S1-3, one end of anchor cable 5 is fixed on the first shoulder pole girder 9, it is flat that the other end is arranged in the first shoulder pole girder 9, second
Spreader beam 10 and crossbeam 3, and it is fixed on 3 bottom end of crossbeam.
Crossbeam 3 is anchored at stull 1 with anchor cable 5, is prevented in cutting support 4, the superstructure of bracket 4 is unstable, the
Two shoulder pole girders 10 can also be used as the operation platform of construction personnel.
S2, two counter-force seats 6 are set on bracket 4, two counter-force seats 6 are spaced setting in the short transverse of bracket 4, and
Telescopic supporting element 7 is set between two counter-force seats 6；Supporting element 7 in the embodiment of the present invention 1 is spiral top, cutting
With spiral top that bracket 4 is fixed after bracket 4, the bracket 4 after preventing cutting is unstable, causes the stringer 2 on top, crossbeam 3
It is unstable.
S3, guide part 8 is set between two counter-force seats 6, and guide part 8 is located at 4 two sides of bracket；Guide part 8 includes solid
Fixed end 80 and free end 81, fixing end 80 are set to the lower end of guide part 8, specifically includes the following steps:
S3-1, the fixing end 80 of guide part 8 is welded and fixed with bracket 4.
The fixing end 80 of guide part 8 and bracket 4 be welded and fixed or with spiral top solder, the free end 81 of guide part 8 is not
With bracket 4 or spiral top solder, there are gaps between the free end 81 and bracket 4 of guide part 8.
S4, in guide part 8 region internal cutting, one section of bracket 4；In the bracket of 8 region internal cutting 20cm of guide part
4.After the bracket 4 for cutting 20cm, upper bracket falls along the free end 81 of guide part 8, generates when preventing bracket 4 from falling inclined
Position.
S5, it shrinks supporting element 7 and transfers anchor cable 5, be detached from stringer 2 and stull 1, and formed between stringer 2 and stull 1
For the operating space of construction personnel's disassembly, construction personnel is facilitated to dismantle the stringer 2 on top, crossbeam 3 in operating space, after cutting off
Lower bracket 4 also construction personnel is facilitated to dismantle, therefore to unload frame method quick for the method for dismounting of the bracket 4 of the embodiment of the present invention 1,
Reduce construction period.
Embodiment 2:
Shown in referring to figures 1-4, the embodiment of the present invention 2 provides a kind of rack device that unloads of armored concrete cable-carried arch bridge, uses
In stringer 2, crossbeam 3 and the bracket 4 for being supported in 3 bottom of crossbeam of removing 1 lower part of arch bridge stull, comprising:
Anchor cable 5 is used to anchor on crossbeam 3；
Two counter-force seats 6, two counter-force seats 6 are arranged on bracket 4, between two counter-force seats 6 are in the short transverse of bracket 4
Every setting, and telescopic supporting element 7 is set between two counter-force seats 6；
Guide part 8 is set between two counter-force seats 6, and guide part 8 is located at 4 two sides of bracket, can be in 8 institute of guide part
One section of bracket 4 of internal cutting in region shrinks supporting element 7 and transfers anchor cable 5, is detached from stringer 2 and stull 1, and in stringer 2 and cross
The operating space dismantled for construction personnel is formed between support 1.
Wherein guide part 8 is for preventing 4 deviation of bracket, 6 He of counter-force seat in 4 dropping process of bracket after one section of bracket 4 of cutting
Bracket 4 after cutting is supported by supporting element 7, by contraction supporting element 7 and transfers anchor cable 5, is detached from stringer 2 and stull 1,
And the operating space dismantled for construction personnel is formed between stringer 2 and stull 1, facilitate construction personnel to dismantle crossbeam 3 and stringer
2, the lower bracket 4 after cutting off also facilitates construction personnel to dismantle, therefore the rack device that unloads of the embodiment of the present invention 2 repeats circulation benefit
With reduction construction period.
Preferably, the top of stull 1 is equipped with the first shoulder pole girder 9, and the second shoulder pole girder 10, anchor are equipped between stull 1 and stringer 2
One end of rope 5 is fixed on the first shoulder pole girder 9, and the other end is arranged in the first shoulder pole girder 9, the second shoulder pole girder 10 and crossbeam 3, and solid
Due to 3 bottom end of crossbeam.Crossbeam 3 is anchored at stull 1 with anchor cable 5, is prevented in cutting support 4, the superstructure of bracket 4 is not
Stablize, the second shoulder pole girder 10 can also be used as the operation platform of construction personnel.
Preferably, guide part 8 includes fixing end 80 and free end 81, and fixing end 80 is set to the lower end of guide part 8, and fixed
It is welded with bracket 4 at end 80.The fixing end 80 of guide part 8 and bracket 4 be welded and fixed or with spiral top solder, guide part 8 from
By end 81 not with bracket 4 or spiral top solder, there are gaps between the free end 81 and bracket 4 of guide part 8.
Preferably, in guide part 8 region internal cutting, one section of bracket 4, specifically: in 8 region inscribe of guide part
Cut the bracket 4 of 20cm.After the bracket 4 for cutting 20cm, upper bracket falls along the free end 81 of guide part 8, prevents bracket
Deviation is generated when whereabouts.
Preferably, supporting element 7 is spiral top.The upper part of bracket 4 after transferring cutting by the contraction of spiral top, and
Play the role of supporting upper part-structure.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of armored concrete cable-carried arch bridge unloads frame method, for remove the stringer (2) of stull (1) lower part, crossbeam (3) and
It is supported in the bracket (4) of crossbeam (3) bottom, which comprises the following steps:
The crossbeam (3) are anchored using anchor cable (5)；
Two counter-force seats (6), short transverse of two counter-force seats (6) along the bracket (4) are set on the bracket (4)
Upper interval setting, and telescopic supporting element (7) are set between two counter-force seats (6)；
Guide part (8) are set between two counter-force seats (6), and the guide part (8) is located at the bracket (4) two sides；
In one section of internal cutting of the guide part (8) region bracket (4)；
It shrinks the supporting element (7) and transfers anchor cable (5), be detached from stringer (2) and stull (1), and in stringer (2) and stull
(1) operating space dismantled for construction personnel is formed between.
2. unloading frame method as described in claim 1, which is characterized in that anchor crossbeam (3) using anchor cable (5), specifically include
Following steps:
The first shoulder pole girder (9) are fixed on the top of the stull (1)；
Second shoulder pole girder (10) are set between the stull (1) and the stringer (2)；
One end of the anchor cable (5) is fixed on first shoulder pole girder (9), the other end is arranged in first shoulder pole girder
(9), the second shoulder pole girder (10) and crossbeam (3), and it is fixed on the crossbeam (3) bottom end.
3. unloading frame method as described in claim 1, which is characterized in that the guide part (8) includes fixing end (80) and freedom
It holds (81), the fixing end (80) is set to the lower end of the guide part (8)；
Guide part (8) are set between two counter-force seats (6), and the guide part (8) is located at the bracket (4) two sides,
Specifically includes the following steps:
The fixing end (80) of the guide part (8) is welded and fixed with the bracket (4).
4. unloading frame method as described in claim 1, which is characterized in that one section of internal cutting of the guide part (8) region
The bracket (4), specifically: in the bracket (4) of the guide part (8) region internal cutting 20cm.
5. unloading frame method as described in claim 1, which is characterized in that the supporting element (7) is spiral top, shrinks the support
Part (7) simultaneously transfers anchor cable (5) specifically includes the following steps: pushing up the counter-force seat (6) at the top of the spiral top by the spiral top
It falls.
6. a kind of armored concrete cable-carried arch bridge unloads rack device, for removing the stringer (2), crossbeam of arch bridge stull (1) lower part
(3) and it is supported in the bracket (4) of crossbeam (3) bottom characterized by comprising
Anchor cable (5) is used to anchor the crossbeam (3)；
Two counter-force seats (6), two counter-force seats (6) are arranged on the bracket (4), and two counter-force seats (6) are along institute
It states and is spaced setting in the short transverse of bracket (4), and telescopic supporting element (7) are set between two counter-force seats (6)；
Guide part (8) is set between two counter-force seats (6), and the guide part (8) is located at the bracket (4) two
Side can shrink the supporting element (7) and transfer anchor cable in one section of internal cutting of the guide part (8) region bracket (4)
(5), it is detached from stringer (2) and stull (1), and it is empty to form the operation dismantled for construction personnel between stringer (2) and stull (1)
Between.
7. unloading rack device as claimed in claim 6, which is characterized in that the top of the stull (1) is equipped with the first shoulder pole girder
(9), the second shoulder pole girder (10) are equipped between the stull (1) and the stringer (2), institute is fixed in one end of the anchor cable (5)
It states on the first shoulder pole girder (9), the other end is arranged in first shoulder pole girder (9), the second shoulder pole girder (10) and crossbeam (3), and solid
Due to the crossbeam (3) bottom end.
8. unloading rack device as claimed in claim 6, which is characterized in that the guide part (8) includes fixing end (80) and freedom
It holds (81), the fixing end (80) is set to the lower end of the guide part (8), and the fixing end (80) and the bracket (4) are welded
It connects.
9. unloading rack device as claimed in claim 6, which is characterized in that the length of bracket (4) cutting is 20cm.
10. unloading rack device as claimed in claim 6, which is characterized in that the supporting element (7) is spiral top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811462115.7A CN109487696B (en) | 2018-11-30 | 2018-11-30 | Method and device for dismounting reinforced concrete basket arch bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811462115.7A CN109487696B (en) | 2018-11-30 | 2018-11-30 | Method and device for dismounting reinforced concrete basket arch bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109487696A true CN109487696A (en) | 2019-03-19 |
| CN109487696B CN109487696B (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811462115.7A Active CN109487696B (en) | 2018-11-30 | 2018-11-30 | Method and device for dismounting reinforced concrete basket arch bridge |
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| Country | Link |
|---|---|
| CN (1) | CN109487696B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144378A (en) * | 2020-09-23 | 2020-12-29 | 上海市政工程设计研究总院（集团）有限公司 | Beam-column type ground beam and construction method thereof |
| CN112681141A (en) * | 2020-12-17 | 2021-04-20 | 招商局重庆交通科研设计院有限公司 | Automatic movable hanging basket device for pouring concrete outside steel arch frame |
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| CN106087752A (en) * | 2016-06-30 | 2016-11-09 | 中国化学工程第三建设有限公司 | Multispan cable-carried arch bridge construction method |
| CN108411804A (en) * | 2018-05-28 | 2018-08-17 | 中交二航局第四工程有限公司 | Counter hang of shellfish thunder removed for bowstring arch bridge combines boom device and its method for dismounting |
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| CN101446067A (en) * | 2008-12-22 | 2009-06-03 | 中铁大桥局集团第五工程有限公司 | Construction method for Y-shaped frame of large-span steel box basket arch bridge |
| CN102733310A (en) * | 2012-06-29 | 2012-10-17 | 中铁大桥局集团有限公司 | Lifting construction method for arch rib segments of steel box handle-basket arch bridge |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144378A (en) * | 2020-09-23 | 2020-12-29 | 上海市政工程设计研究总院（集团）有限公司 | Beam-column type ground beam and construction method thereof |
| CN112681141A (en) * | 2020-12-17 | 2021-04-20 | 招商局重庆交通科研设计院有限公司 | Automatic movable hanging basket device for pouring concrete outside steel arch frame |
| CN112681141B (en) * | 2020-12-17 | 2021-11-02 | 招商局重庆交通科研设计院有限公司 | Automatic movable hanging basket device for pouring concrete outside steel arch frame |
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