CN207079457U - CFST Arch Bridge and its arch rib - Google Patents
CFST Arch Bridge and its arch rib Download PDFInfo
- Publication number
- CN207079457U CN207079457U CN201721021500.9U CN201721021500U CN207079457U CN 207079457 U CN207079457 U CN 207079457U CN 201721021500 U CN201721021500 U CN 201721021500U CN 207079457 U CN207079457 U CN 207079457U
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- Prior art keywords
- steel pipe
- lower floor
- upper strata
- arch
- arch rib
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Abstract
The utility model provides a kind of arch rib, including the connector between upper strata steel pipe, lower floor's steel pipe and the connection upper strata steel pipe and lower floor's steel pipe, concrete is cast with the upper strata steel pipe and lower floor's steel pipe, the distance between the upper strata steel pipe and described lower floor's steel pipe are gradually reduced from arch springing to the direction of vault, and the intensity of the concrete of cast is less than the intensity of the concrete of cast in lower floor's steel pipe in the upper strata steel pipe.Stress is more uniform in use for the arch rib.The utility model also provides a kind of CFST Arch Bridge using the arch rib.
Description
【Technical field】
It the utility model is related to arch bridge technical field, more particularly to a kind of arch rib and the concrete-filled steel tube arch with the arch rib
Bridge.
【Background technology】
CFST Arch Bridge has many advantages, such as compression strength is high, economical and beautiful, easy for construction.From nineteen ninety first
Since seat Dumbbell-shaped CFST Arch Bridge-Sichuan Wangcang bridge is built up, the CFST Arch Bridge in China has obtained rapidly
Development, according to《CFST Arch Bridge》Being counted in the third edition, end in January, 2015, CFST Arch Bridge is existing 413,
Wherein, existing more than 200 seats of Dumbbell-shaped CFST Arch Bridge, the half of CFST Arch Bridge sum is accounted for.With dumbbell shaped steel
Exemplified by pipe concrete arch bridge, pipe fills the coagulation of same intensity above and below conventional Dumbbell-shaped CFST Arch Bridge arch rib
Soil, and whole arch rib abdominal cavity height all same (please referring also to Fig. 1 and Fig. 2, in the prior art, CFST Arch Bridge
Arch rib generally include upper strata steel pipe 20, lower floor's steel pipe 30 and connector 40.Wherein, upper strata steel pipe 20 is located at lower floor's steel pipe 30
Top, upper strata steel pipe 20 in lower floor's steel pipe 30 with being filled with concrete 50；Connector 40 connects upper strata steel pipe 20 and lower floor's steel
Pipe 30).Because in CFST Arch Bridge, vault and arch springing stressing conditions are typically different, upper strata concrete filled steel tube with
The stress of lower floor's steel pipe pipe concrete is generally also different, so that common load case-entirely is across evenly load as an example, lower floor
The stress of concrete filled steel tube is typically larger than the stress of upper strata concrete filled steel tube, and vault is using moment of flexure as important internal force, arch springing then with
Based on axle power, waste, increase dead load and the less stable of material can be caused using the arch rib of prior art construction so that
It is the discontinuity of structure, unreasonable.
【Utility model content】
For above-mentioned problem, it is necessary to provide a kind of arch rib that can improve uniform force.
To reach above-mentioned purpose, technical scheme is used by the utility model：
Between a kind of arch rib, including upper strata steel pipe, lower floor's steel pipe and the connection upper strata steel pipe and lower floor's steel pipe
Concrete, the upper strata steel pipe and lower floor's steel pipe are cast with connector, the upper strata steel pipe and lower floor's steel pipe
The distance between be gradually reduced from arch springing to the direction of vault, the intensity of the concrete of cast is less than described in the upper strata steel pipe
The intensity of the concrete of cast in lower floor's steel pipe.
Further, an abdominal cavity is surrounded jointly between the connector, the upper strata steel pipe and lower floor's steel pipe, it is described
The height in abdominal cavity is gradually reduced from arch springing to the direction of vault.
Further, it is described intraperitoneal to be cast with concrete.
Further, the connector includes two blocks of webs, and two blocks of webs are oppositely arranged, the opposite sides point of each web
It is common between two blocks of webs, the upper strata steel pipe and lower floor's steel pipe not with the upper strata steel pipe and lower floor's fastener for connection
It is same to surround the abdominal cavity.
Further, two blocks of webs are parallel to each other.
Further, the arch rib includes two upper strata steel pipes, two lower floor's steel pipes and some connectors, and two
Upper strata steel pipe described in root is located at same level, and two lower floor's steel pipes are located at same level, some connectors by
Arch springing is spaced apart to the direction of vault, includes two first joint steel pipes and two second joint steel pipes per a connection piece, its
In the opposite end of first joint steel pipe connect two upper strata steel pipes respectively, another first joint steel pipe
Opposite end connects two lower floor's steel pipes respectively, the opposite end of every one second joint steel pipe respectively with the upper strata steel pipe
And lower floor's fastener for connection, and two second joint steel pipes are located at the opposite end of first joint steel pipe respectively.
Further, the arch rib includes a upper strata steel pipe, two lower floor's steel pipes and some connectors, and two
Lower floor's steel pipe described in root is located at same level, and some connectors are spaced apart from arch springing to the direction of vault, Mei Yilian
Fitting includes the first joint steel pipe, the second joint steel pipe and the 3rd joint steel pipe, the opposite end point of first joint steel pipe
Not with the upper strata steel pipe and wherein lower floor's fastener for connection, the opposite end of second joint steel pipe respectively with institute
State upper strata steel pipe and another lower floor's fastener for connection, the opposite end of the 3rd joint steel pipe respectively with two it is described under
Layer fastener for connection.
Further, the shape of cross section of the upper strata steel pipe and lower floor's steel pipe be respectively selected from circular, ellipse or
The one of which of polygon.
The utility model also provides a kind of CFST Arch Bridge with above-mentioned arch rib.
Due to being had the advantages that using above-mentioned technical proposal, the utility model：
Arch rib of the present utility model and the CFST Arch Bridge with the arch rib, between its upper strata steel pipe and lower floor's steel pipe
Distance gradually change with arch rib height, it is smaller away from spending positioned at vault, away from spending larger, and upper strata steel pipe at arch springing
The concrete strength of interior filling is less than the concrete strength of filling in lower floor's steel pipe so that arch rib is in loading process, upper and lower layer
Concrete filled steel tube stress is more uniformly distributed, simultaneously as the distance between upper strata steel pipe and lower floor's steel pipe reduce at vault, not only may be used
To save construction material, so as to avoid the waste of material, and the deadweight of arch rib is alleviated, further increase the stabilization of structure
Property.
【Brief description of the drawings】
Fig. 1 is the structural representation of arch rib in the prior art.
Fig. 2 is the cross-sectional view of arch rib shown in Fig. 1.
Fig. 3 is the structural representation of arch rib in the utility model first embodiment.
Fig. 4 is the cross-sectional view of arch rib shown in Fig. 3.
Fig. 5 is the cross section structure schematic diagram of arch rib in the utility model second embodiment.
Fig. 6 is the cross section structure schematic diagram of arch rib in the embodiment of the utility model the 3rd.
In accompanying drawing, 100- arch ribs, 1,2,3,20- upper strata steel pipes, 4,5,6,30- lower floor's steel pipes, 7,40- connectors, 72- abdomens
Plate, the joint steel pipes of 82,92- first, the joint steel pipes of 83,93- second, the joint steel pipes of 94- the 3rd, 10,11,12,50- concrete,
13- abdominal cavities.
【Embodiment】
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component
Or there may also be component placed in the middle.When a component is considered as " connection " another component, it can be directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being arranged at " another component, it
Can be set directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more related Listed Items.
Please referring also to Fig. 3 and Fig. 4, the utility model first embodiment provide a kind of CFST Arch Bridge, and it is wrapped
Include arch rib 100.Arch rib 100 includes the connection between upper strata steel pipe 1, lower floor's steel pipe 4 and connection upper strata steel pipe 1 and lower floor's steel pipe 4
Part 7.The distance between upper strata steel pipe 1 and lower floor steel pipe 4 are gradually reduced from arch springing to the direction of vault.Upper strata steel pipe 1 and lower floor
Concrete 10 is cast with steel pipe 4, and the intensity of the concrete 10 of cast is less than cast in lower floor's steel pipe 4 in upper strata steel pipe 1
Concrete 10 intensity.It is appreciated that the CFST Arch Bridge may also include other elements, to omit length, here not
It is described in detail.
In the present embodiment, arch rib 100 is dumbbell shape arch rib, and the shape of cross section of upper strata steel pipe 1 and lower floor steel pipe 4 is equal
For circle.Surround an abdominal cavity 13 between connector 7, upper strata steel pipe 1 and lower floor's steel pipe 4 jointly, the height in abdominal cavity 13 from arch springing to
The direction of vault is gradually reduced, and is specially：Connector 7 includes two blocks of webs 72, and two blocks of webs 72 are oppositely arranged in parallel, each abdomen
The opposite sides of plate 72 is connected with upper strata steel pipe 1 and lower floor's steel pipe 4 respectively, two blocks of webs 72, upper strata steel pipe 1 and lower floor's steel pipe 4
Between surround abdominal cavity 13 jointly.
Please also refer to Fig. 5, the utility model second embodiment provides a kind of CFST Arch Bridge, its structure and the
The structure of CFST Arch Bridge in one embodiment is roughly the same, including in upper strata steel pipe 2, lower floor's steel pipe 5 and connection
Layer steel pipe 2 and lower floor's steel pipe 5 between connector (not indicating), the distance between upper strata steel pipe 2 and lower floor's steel pipe 5 from arch springing to
The direction of vault is gradually reduced.Concrete 11, and cast in upper strata steel pipe 2 are cast with upper strata steel pipe 2 and lower floor's steel pipe 5
The intensity of concrete 11 is less than the intensity of the concrete 11 of cast in lower floor's steel pipe 5.Difference is：In present embodiment
In, arch rib 100 includes two upper strata steel pipes 2, Liang Gen lower floors steel pipe 5 and some connectors.Two upper strata steel pipes 2 are positioned at same
One horizontal plane, Liang Gen lower floors steel pipe 5 are located at same level, and some connectors are spaced apart from arch springing to the direction of vault.Often
A connection piece includes two first joint steel pipes 82 and two second joint steel pipes 83, wherein one first joint steel pipe 82 is relative
Both ends connect two upper strata steel pipes 2 respectively, and the opposite end of another first joint steel pipe 82 connects Liang Gen lower floors steel pipe 5 respectively,
The opposite end of every one second joint steel pipe 83 is connected with upper strata steel pipe 2 and lower floor's steel pipe 5 respectively, and two second joint steel pipes
83 are located at the opposite end of the first joint steel pipe 82 respectively.
Please also refer to Fig. 6, the embodiment of the utility model the 3rd provides a kind of CFST Arch Bridge, its structure and the
The structure of CFST Arch Bridge in one embodiment is roughly the same, including in upper strata steel pipe 3, lower floor's steel pipe 6 and connection
Layer steel pipe 3 and lower floor's steel pipe 6 between connector (not indicating), the distance between upper strata steel pipe 3 and lower floor's steel pipe 6 from arch springing to
The direction of vault is gradually reduced.Concrete 12, and cast in upper strata steel pipe 3 are cast with upper strata steel pipe 3 and lower floor's steel pipe 6
The intensity of concrete 12 is less than the intensity of the concrete 12 of cast in lower floor's steel pipe 6.Difference is：Arch rib 100 includes one
Root upper strata steel pipe 3, Liang Gen lower floors steel pipe 6 and some connectors (not indicating).Liang Gen lower floors steel pipe 6 is located at same level
Face, some connectors are spaced apart from arch springing to the direction of vault, are connected per a connection piece including the first joint steel pipe 92, second
The joint steel pipe 94 of steel pipe 93 and the 3rd.The opposite end of first joint steel pipe 92 respectively with upper strata steel pipe 3 and a wherein lower floor
Steel pipe 6 is connected, and the opposite end of the second joint steel pipe 93 is connected with upper strata steel pipe 3 with another lower floor's steel pipe 6 respectively, and the 3rd connects
The opposite end of steel pipe 94 is connect to be connected with Liang Gen lower floors steel pipe 6 respectively.
The arch rib 100 of the utility model embodiment and the arch bridge with the arch rib 100, its upper strata steel pipe 1,2,3 is with
Layer steel pipe 4,5, the distance between 6 with arch rib height gradually change, positioned at vault away from spend it is smaller, at arch springing away from degree compared with
Greatly, and the concrete strength of filling is less than the concrete strength of filling in lower floor's steel pipe 4,5,6 in upper strata steel pipe 1,2,3, makes
Arch rib 100 is obtained in loading process, upper and lower layer concrete filled steel tube stress is more uniformly distributed.Simultaneously as upper strata steel pipe 1 at vault,
2nd, 3 reduce with lower floor's steel pipe 4,5, the distance between 6, have both avoided the waste of material, and have saved construction material, alleviate arch rib again
Deadweight, further increase the stability of structure.In addition, embodiment further provides the arch of different structure for the utility model
Rib, with suitable for building arch bridge under different occasions.
It is appreciated that the shape of cross section of upper strata steel pipe 1,2,3 and lower floor's steel pipe 4,5,6 is not limited to present embodiment, example
Such as, in other embodiments, the shape of cross section of its upper strata steel pipe 1,2,3 and lower floor's steel pipe 4,5,6 can also be respectively adopted
The one of which of polygon or ellipse.
It is appreciated that in other embodiments, concrete can also be poured into a mould in abdominal cavity 13.
Described above is the detailed description for the preferable possible embodiments of the utility model, but embodiment is not limited to
Patent claim of the present utility model, the equal change or modification completed under the technical spirit suggested by all the utility model
Change, all should belong to the utility model and cover the scope of the claims.
Claims (9)
- A kind of 1. company between arch rib, including upper strata steel pipe, lower floor's steel pipe and the connection upper strata steel pipe and lower floor's steel pipe Concrete is cast with fitting, the upper strata steel pipe and lower floor's steel pipe, it is characterised in that：The upper strata steel pipe with it is described The distance between lower floor's steel pipe is gradually reduced from arch springing to the direction of vault, the intensity of the concrete of cast in the upper strata steel pipe Less than the intensity for the concrete poured into a mould in lower floor's steel pipe.
- 2. arch rib as claimed in claim 1, it is characterised in that：The connector, the upper strata steel pipe and lower floor's steel pipe Between surround an abdominal cavity jointly, the height in the abdominal cavity is gradually reduced from arch springing to the direction of vault.
- 3. arch rib as claimed in claim 2, it is characterised in that：It is described intraperitoneal to be cast with concrete.
- 4. arch rib as claimed in claim 2, it is characterised in that：The connector includes two blocks of webs, and two blocks of webs are relative to be set Put, the opposite sides of each web respectively with the upper strata steel pipe and lower floor's fastener for connection, two blocks of webs, the upper strata steel The abdominal cavity is surrounded jointly between pipe and lower floor's steel pipe.
- 5. arch rib as claimed in claim 4, it is characterised in that：Two blocks of webs are parallel to each other.
- 6. arch rib as claimed in claim 1, it is characterised in that：The arch rib is including described in two upper strata steel pipes, two Lower floor's steel pipe and some connectors, two upper strata steel pipes are located at same level, and two lower floor's steel pipes are located at Same level, some connectors are spaced apart from arch springing to the direction of vault, and two first companies are included per a connection piece Steel pipe and two second joint steel pipes are connect, wherein the opposite end of first joint steel pipe connects two upper stratas respectively Steel pipe, the opposite end of another first joint steel pipe connect two lower floor's steel pipes, every one second joint steel pipe respectively Opposite end respectively with the upper strata steel pipe and lower floor's fastener for connection, and two second joint steel pipes are respectively positioned at described The opposite end of first joint steel pipe.
- 7. arch rib as claimed in claim 1, it is characterised in that：The arch rib is including described in a upper strata steel pipe, two Lower floor's steel pipe and some connectors, two lower floor's steel pipes are located at same level, and some connectors are by arch springing It is spaced apart to the direction of vault, includes the first joint steel pipe, the second joint steel pipe and the 3rd joint steel pipe, institute per a connection piece State the opposite end of the first joint steel pipe respectively with the upper strata steel pipe and wherein lower floor's fastener for connection, described second The opposite end of joint steel pipe respectively with the upper strata steel pipe and another lower floor's fastener for connection, the 3rd joint steel pipe Opposite end respectively with two lower floor's fastener for connection.
- 8. arch rib as claimed in claim 1, it is characterised in that：The shape of cross section of the upper strata steel pipe and lower floor's steel pipe It is respectively selected from the one of which of circular, ellipse or polygon.
- A kind of 9. CFST Arch Bridge with any one arch rib in claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721021500.9U CN207079457U (en) | 2017-08-15 | 2017-08-15 | CFST Arch Bridge and its arch rib |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721021500.9U CN207079457U (en) | 2017-08-15 | 2017-08-15 | CFST Arch Bridge and its arch rib |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207079457U true CN207079457U (en) | 2018-03-09 |
Family
ID=61420099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721021500.9U Expired - Fee Related CN207079457U (en) | 2017-08-15 | 2017-08-15 | CFST Arch Bridge and its arch rib |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207079457U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677762A (en) * | 2018-06-14 | 2018-10-19 | 无锡市航道工程有限公司 | Concrete-filled steel tube tied arch arch springing crack comprehensive treatment structure |
| CN112709148A (en) * | 2020-12-28 | 2021-04-27 | 中铁二局集团有限公司 | Method for pouring concrete in transverse supporting pipe between arch ribs of steel pipe bridge |
-
2017
- 2017-08-15 CN CN201721021500.9U patent/CN207079457U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677762A (en) * | 2018-06-14 | 2018-10-19 | 无锡市航道工程有限公司 | Concrete-filled steel tube tied arch arch springing crack comprehensive treatment structure |
| CN112709148A (en) * | 2020-12-28 | 2021-04-27 | 中铁二局集团有限公司 | Method for pouring concrete in transverse supporting pipe between arch ribs of steel pipe bridge |
| CN112709148B (en) * | 2020-12-28 | 2022-05-10 | 中铁二局集团有限公司 | Method for pouring concrete in transverse support pipe between steel pipe bridge arch ribs |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 530200 No.21 Pingle Avenue, Liangqing District, Nanning City, Guangxi Zhuang Autonomous Region Patentee after: GUANGXI ROAD AND BRIDGE ENGINEERING GROUP Co.,Ltd. Address before: 530011 No. 17 Zhonghua Road, the Guangxi Zhuang Autonomous Region, Nanning Patentee before: GUANGXI ROAD AND BRIDGE ENGINEERING GROUP Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180309 Termination date: 20210815 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |