CN110230250A - Frame bridge system - Google Patents
Frame bridge system Download PDFInfo
- Publication number
- CN110230250A CN110230250A CN201910023074.XA CN201910023074A CN110230250A CN 110230250 A CN110230250 A CN 110230250A CN 201910023074 A CN201910023074 A CN 201910023074A CN 110230250 A CN110230250 A CN 110230250A
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- CN
- China
- Prior art keywords
- bridge
- frame
- support
- bent cap
- support component
- 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.)
- Pending
Links
- 230000002787 reinforcement Effects 0.000 claims description 7
- 239000002689 soil Substances 0.000 claims description 2
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D1/00—Bridges in general
-
- 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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- 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
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/067—Flat continuous joints cast in situ
Abstract
The present invention relates to the technical fields of bridge, provide a kind of frame bridge system, including at least two support components being arranged successively along predefined paths；Each support component respectively includes beam body and at least two bridge piers, and beam body pours respectively to be fixedly arranged on each bridge pier, and at least two bridge piers are successively laid along predefined paths, is provided with the first support frame on an outermost bridge pier；First support frame supports one end of beam body in adjacent support component；One of expansion joint is formed between the beam body of two neighboring support component.In each support component, beam body pours together with each pier cap beam respectively, reduces support quantity, bridge defect caused by reducing because of support problem, while greatly improving the globality and anti-seismic performance of bridge, and there is no beam bodies to climb shifting, falls phenomena such as beam；In frame bridge system, bridge structure height is only bent cap height, the structure height for reducing bridge of high degree.
Description
Technical field
The invention belongs to bridge technology fields, are to be related to a kind of frame bridge system more specifically.
Background technique
The precast beam that the small across footpath overpass in city commonly uses at present, such as prestressed cored slab, small box girder or T girder construction,
Usually freely-supported or continuous system, beam body are erected on bent cap or abutment by support, and the combined altitudes of bridge structure are higher,
Support is more, usually will appear support aging after runing many years, maintenance cost is higher, shock resistance is weak.
Summary of the invention
The purpose of the present invention is to provide a kind of frame bridge systems, high to solve precast beam combination existing in the prior art
Degree is higher, and support is more, usually will appear support aging, the technical problem that maintenance cost is higher, shock resistance is weak after runing many years.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of frame bridge system is provided,
Including at least two support components being arranged successively along predefined paths；Each support component respectively include beam body and
At least two bridge piers are respectively arranged with bent cap on each bridge pier, and the beam body pours the lid for being fixedly arranged at each bridge pier respectively
Liang Shang, at least two bridge piers are successively laid along the predefined paths, are arranged on the bent cap of an outermost bridge pier
There is the first support frame；First support frame supports one end of beam body described in adjacent support component；The two neighboring support
One of expansion joint is equipped between the beam body of component.
Further, the beam body of each support component respectively include more along the predefined paths extend and it is mutual
Wet seam is arranged between the adjacent precast beam in parallel precast beam.
Further, each precast beam shape is identical.
Further, spaced set between each precast beam.
Further, filled with the concrete poured in each wet seam.
Further, the cross section of the precast beam is T-type.
Further, the top surface of the precast beam is plane, and the top surface of each precast beam is in the same plane.
Further, it is additionally provided on the bent cap of each bridge pier and one-to-one multiple second supports of the precast beam
Frame, each second support frame are respectively supported at the bottom of each precast beam.
Further, the pouring for bent cap of each beam body and the bridge pier is respectively arranged with negative reinforcement in portion.
Further, the precast beam in each support component respectively includes the first beam and the second beam, and described second
The quantity of beam one fewer than the quantity of the bridge pier, second beam is respectively arranged between the two neighboring bridge pier, and each
The both ends of second beam are cast in respectively on the bent cap of the bridge pier；One end of first beam is cast in outermost one
On the bent cap of the bridge pier, the other end of first beam is supported on first support of the support component adjacent thereto
On frame.
The beneficial effect of frame bridge system provided by the invention is: compared with prior art, frame provided by the invention
Bridge system, in each support component, beam body is poured bent cap with each bridge pier respectively and is built together, reduces support quantity, reduces
Because of bridge defect caused by support problem, while the globality and anti-seismic performance of bridge are greatly improved, there is no beam bodies to climb
It moves, fall phenomena such as beam；In frame bridge system, bridge structure height is only bent cap height, the knot for reducing bridge of high degree
Structure height；The beam body of one support component is supported on the first support frame of another adjacent support component, so that adjacent branch
It can mutually be supported between support component, ensure the stabilization of beam body in each support component；The beam body of two neighboring support component it
Between shape be equipped with one of expansion joint, there are the leeway of deformation when so that telescopic deformation occurring in use for beam body.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the schematic view of the front view of frame bridge system provided in an embodiment of the present invention；
Fig. 2 is A-A sectional structure chart in Fig. 1；
Fig. 3 is C-C sectional structure chart in Fig. 1；
Fig. 4 is the scheme of installation of bridge pier provided in an embodiment of the present invention；
Fig. 5 is the scheme of installation of bent cap provided in an embodiment of the present invention and the first support frame；
Fig. 6 is the scheme of installation of the second support frame provided in an embodiment of the present invention and precast beam；
Fig. 7 is the schematic view of the front view of support component provided in an embodiment of the present invention；
Fig. 8 is schematic diagram at B in Fig. 7；
Fig. 9 is the scheme of installation of the first beam and the second beam provided in an embodiment of the present invention.
Wherein, each appended drawing reference in figure:
100- support component；S- predefined paths；1- beam body；11- precast beam；The second beam of 111-；The first beam of 112-；12- stretches
Contracting seam；The wet seam of 13-；2- bridge pier；21- pile foundation；22- cushion cap；23- pier stud；24- bent cap；The first support frame of 31-；32- second
Support；41- support；42- pours portion；5- negative reinforcement.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
Also referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 7, now frame bridge system provided by the invention is illustrated.Frame bridge
System includes at least two support components 100 being arranged successively along predefined paths S；Each support component 100 respectively includes 1 He of beam body
At least two bridge piers 2 are respectively arranged with bent cap 24 on each bridge pier 2, and beam body 1 pours respectively to be fixedly arranged on the bent cap 24 of each bridge pier 2,
At least two bridge piers 2 are successively laid along predefined paths S, are provided with the first support frame on the bent cap 24 of an outermost bridge pier 2
31；First support frame 31 supports one end of beam body 1 in adjacent support component 100；The beam body 1 of two neighboring support component 100 it
Between be formed with one of expansion joint 12.
In this way, beam body 1 pours the knot for reducing bridge together with each bent cap 24 respectively in each support component 100
Structure height, while improving the anti-seismic performance of bridge；The beam body 1 of one support component 100 is supported on another adjacent support
On first support frame 31 of component 100, so that can mutually support between adjacent supports component 100, each support component has been ensured
The stabilization of beam body 1 in 100；One of expansion joint 12 is equipped between the beam body 1 of two neighboring support component 100, so that beam body 1 makes
There are the leeway of deformation when with generation telescopic deformation in the process.
Optionally, in one embodiment, bridge pier 2 includes the pile foundation 21 being arranged in soil, holding in pile foundation 21 is arranged in
Bent cap 24 on platform 22, the pier stud 23 being arranged on cushion cap 22, and setting pier stud；
Optionally, in one embodiment, there are two pier studs 23 for each tool of bridge pier 2, and the both ends of bent cap 24 are respectively erected in
On two pier studs 2.
Optionally, the first support frame 31 supports beam body 1 by support 41.
Optionally, in one embodiment, the first support frame 31 is arranged on bent cap.
Optionally, in one embodiment, the first support frame 31 and 32 support frame of the second support frame are respectively bracket.
Optionally, in one embodiment, predefined paths S is straight line.
Further, it please refers to Fig.1 to Fig.3, as a kind of specific embodiment of frame bridge system provided by the invention,
The beam body 1 of each support component 100 respectively includes the more precast beams for extending and being parallel to each other along predefined paths S 11, contiguous prefabricated
Wet seam 13 is provided between beam 11.In this way, so that each precast beam 11 is formed entirety by wet seam 13, it is common to carry the upper of bridge
Portion's load.
Further, it please refers to Fig.1 to Fig.3, as a kind of specific embodiment of frame bridge system provided by the invention,
Each 11 shape of precast beam is identical.In this way, the standardization that realizes beam body of the identical precast beam 11 of shape is prefabricated and lifting construction, greatly
The construction efficiency of bridge is improved greatly.
Further, it please refers to Fig.1 to Fig.3, as a kind of specific embodiment of frame bridge system provided by the invention,
Spaced set between each precast beam 11.In this way, the precast beam 11 of spaced set facilitates the first support frame 31 and the second support
The positioning and construction of frame 32.
Further, it please refers to Fig.1 to Fig.3, as a kind of specific embodiment of frame bridge system provided by the invention,
Filled with the concrete poured in each wet seam 13.In this way, can be formed by wet seam 13 between adjacent precast beam 11 whole
Body；
Further, it please refers to Fig.1 to Fig.3, as a kind of specific embodiment of frame bridge system provided by the invention,
The cross section of precast beam 11 is T-type.In this way, the Force principle of T-type beam is relatively consistent with the mechanical system of frame bridge, more can sufficiently send out
Wave the performance of material.The architecture quality of precast beam 11 is light, is conducive to the lifting construction of beam body.
Further, it please refers to Fig.1 to Fig.3, as a kind of specific embodiment of frame bridge system provided by the invention,
The top surface of precast beam 11 is plane, and the top surface of each precast beam 11 is in the same plane.Further, Fig. 1 to Fig. 9 is please referred to,
As a kind of specific embodiment of frame bridge system provided by the invention, it is additionally provided on each bent cap 24 with precast beam 11 one by one
Corresponding multiple second support frames 32.In this way, the second support frame 32 can play a supporting role to precast beam 11；When precast beam 11
It is poured after consolidation is completed with bent cap and removes the second support frame 32.
Further, Fig. 1, Fig. 2, Fig. 3 and Fig. 8 are please referred to, one kind as frame bridge system provided by the invention is specific
Embodiment, each beam body 1 are respectively arranged with negative reinforcement 5 with pouring for bent cap 24 in portion 42.Negative reinforcement 5 is set to and pours
The top in portion 42, and formed and connected with the longitudinal reinforcement of two sides beam body 1, as the main stress steel at frame bridge system hogging moment
Muscle.
Further, Fig. 1 to Fig. 6 is please referred to, as a kind of specific embodiment of frame bridge system provided by the invention,
Precast beam 11 in each support component 100 respectively includes the first beam 112 and the second beam 111, and the quantity of the second beam 111 is than bridge pier 2
Quantity few one, be respectively arranged with the second beam 111 between two neighboring bridge pier 2, and the both ends of each second beam 111 pour respectively
On the bent cap 24 of bridge pier 2；One end of first beam 112 is cast on the bent cap 24 of an outermost bridge pier 2, the first beam 112
The other end be supported on the first support frame 31 of support component 100 adjacent thereto.
Wherein, the first beam 112 and the second beam 111 are poured on bent cap 24 by pouring portion 42 respectively.
Optionally, in one embodiment, the invention further relates to a kind of construction methods of new type of continuous frame bridge system.It presses
Following steps carry out.
1, pile foundation 21, cushion cap 22, pier stud 23 are completed.
2, construction bent cap 24, the first support frame 31 and the second support frame 32.
3, the erection support 41 on the first support frame 31；It lifts the first beam 112 and the second beam 111 is placed in the first support frame
31 and second on support frame 32, and is fixed temporarily.
4, negative reinforcement is installed, construction casting portion 42 completes beam body 1 and turned by the structural system of freely-supported to continuous frame
It changes.
5, the second support frame 32 is removed, construct wet seam 13, expansion joint 12 and its bridge deck complete a kind of new type of continuous frame
The construction of bridge formation system.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. frame bridge system, it is characterised in that: including at least two support components being arranged successively along predefined paths；Each branch
Support component respectively includes beam body and at least two bridge piers, and bent cap is respectively arranged on each bridge pier, and the beam body pours respectively
It being fixedly arranged on the bent cap of each bridge pier, at least two bridge piers are successively laid along the predefined paths, and outermost one
The first support frame is provided on the bent cap of the bridge pier；First support frame supports one of beam body described in adjacent support component
End；One of expansion joint is equipped between the beam body of the two neighboring support component.
2. frame bridge system as described in claim 1, it is characterised in that: the beam body of each support component respectively includes
The more precast beams for extending and being parallel to each other along the predefined paths are provided with wet seam between the adjacent precast beam.
3. frame bridge system as claimed in claim 2, it is characterised in that: each precast beam shape is identical.
4. frame bridge system as claimed in claim 2, it is characterised in that: spaced set between each precast beam.
5. frame bridge system as claimed in claim 2, it is characterised in that: filled with the coagulation poured in each wet seam
Soil.
6. frame bridge system as claimed in claim 2, it is characterised in that: the cross section of the precast beam is T-type.
7. frame bridge system as claimed in claim 2, it is characterised in that: the top surface of the precast beam is plane, each described pre-
The top surface of beam processed is in the same plane.
8. frame bridge system as claimed in claim 2, it is characterised in that: be additionally provided on the bent cap of each bridge pier with it is described
One-to-one multiple second support frames of precast beam, each second support frame are respectively supported at the bottom of each precast beam.
9. frame bridge system as claimed in claim 2, it is characterised in that: each beam body is poured with the bent cap of the bridge pier
Negative reinforcement is respectively arranged in portion.
10. such as the described in any item frame bridge systems of claim 2 to 9, it is characterised in that: described in each support component
Precast beam respectively includes the first beam and the second beam, the quantity of second beam one fewer than the quantity of the bridge pier, two neighboring
Second beam is respectively arranged between the bridge pier, and the both ends of each second beam are cast in the bent cap of the bridge pier respectively
On；One end of first beam is cast on the bent cap of an outermost bridge pier, the other end support of first beam
On first support frame of the support component adjacent thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910023074.XA CN110230250A (en) | 2019-01-10 | 2019-01-10 | Frame bridge system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910023074.XA CN110230250A (en) | 2019-01-10 | 2019-01-10 | Frame bridge system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110230250A true CN110230250A (en) | 2019-09-13 |
Family
ID=67860096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910023074.XA Pending CN110230250A (en) | 2019-01-10 | 2019-01-10 | Frame bridge system |
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| Country | Link |
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| CN (1) | CN110230250A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202595613U (en) * | 2012-04-13 | 2012-12-12 | 长沙理工大学 | Structure of small and medium prestressed concrete bridges with short piers |
| CN202899046U (en) * | 2012-09-18 | 2013-04-24 | 贵阳铝镁设计研究院有限公司 | Reinforced structure of simple supported bridge |
| JP2013142226A (en) * | 2012-01-10 | 2013-07-22 | Sumitomo Mitsui Construction Co Ltd | Construction method for box girder bridge |
| CN103938533A (en) * | 2013-01-23 | 2014-07-23 | 上海市城市建设设计研究总院 | Simple-supported continuous structure and construction method thereof |
| CN103938546A (en) * | 2013-01-23 | 2014-07-23 | 上海市城市建设设计研究总院 | Simple-supported continuous construction method and structure thereof |
| CN207143733U (en) * | 2017-04-28 | 2018-03-27 | 山西省交通科学研究院 | A kind of simple-supported thencontinuous bridge system converting system |
| CN209584813U (en) * | 2019-01-10 | 2019-11-05 | 深圳市城市交通规划设计研究中心有限公司 | Frame bridge system |
-
2019
- 2019-01-10 CN CN201910023074.XA patent/CN110230250A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013142226A (en) * | 2012-01-10 | 2013-07-22 | Sumitomo Mitsui Construction Co Ltd | Construction method for box girder bridge |
| CN202595613U (en) * | 2012-04-13 | 2012-12-12 | 长沙理工大学 | Structure of small and medium prestressed concrete bridges with short piers |
| CN202899046U (en) * | 2012-09-18 | 2013-04-24 | 贵阳铝镁设计研究院有限公司 | Reinforced structure of simple supported bridge |
| CN103938533A (en) * | 2013-01-23 | 2014-07-23 | 上海市城市建设设计研究总院 | Simple-supported continuous structure and construction method thereof |
| CN103938546A (en) * | 2013-01-23 | 2014-07-23 | 上海市城市建设设计研究总院 | Simple-supported continuous construction method and structure thereof |
| CN207143733U (en) * | 2017-04-28 | 2018-03-27 | 山西省交通科学研究院 | A kind of simple-supported thencontinuous bridge system converting system |
| CN209584813U (en) * | 2019-01-10 | 2019-11-05 | 深圳市城市交通规划设计研究中心有限公司 | Frame bridge system |
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