CN110004819A - A kind of girder of Longspan Bridge and bridge pier built-in structure and its construction method - Google Patents
A kind of girder of Longspan Bridge and bridge pier built-in structure and its construction method Download PDFInfo
- Publication number
- CN110004819A CN110004819A CN201910405550.4A CN201910405550A CN110004819A CN 110004819 A CN110004819 A CN 110004819A CN 201910405550 A CN201910405550 A CN 201910405550A CN 110004819 A CN110004819 A CN 110004819A
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- girder
- bridge pier
- bridge
- lower flange
- hole
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 239000011374 ultra-high-performance concrete Substances 0.000 claims description 13
- 201000010099 disease Diseases 0.000 abstract description 9
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 9
- 230000007704 transition Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 7
- 230000006378 damage Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 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
- E01D19/00—Structural or constructional details of bridges
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a kind of girder of Longspan Bridge and bridge pier built-in structure and its construction method, including prefabricated bridge main beam and bridge pier, the bridge pier is steel construction, together with the girder is bolted with bridge pier；Bridge pier upper end is welded with lower flange, the girder downside is provided with the upper flange plate on the upside of lower flange, it offers on the girder and is sequentially passed through after hole, upper flange plate and lower flange from top to bottom with the one-to-one hole of upper flange plate upper bolt hole, the bolt by being located at the nut check on the downside of lower flange.Bridge pier and girder by ring flange and are bolted as entirety by the girder and bridge pier built-in structure of Longspan Bridge of the present invention, it can be very good the transition of the globality and rigidity of realization structure, make girder and bridge pier is not in the diseases such as stress concentration phenomenon or bridge pier offset in use, strengthen the connection of girder and bridge pier, the bearing capacity for improving girder and bridge pier enhances the anti-seismic performance of bridge.
Description
Technical field
The present invention relates to a kind of girders of Longspan Bridge and bridge pier built-in structure and its construction method, belong to science of bridge building
Equal fields.
Background technique
It is mainly connected by support between the bridge pier and girder of common bridge, is largely rubber support, is actually using
In the process since under Vehicle Load, temperature action or geological process, disease easily occurs for the support for connecting girder and bridge pier
And damage, the destruction problem so as to cause bridge substructures such as bridge pier offsets reduce its use so that influencing the safety of bridge
Service life.The main reason for causing bridge main beam and bridge pier junction support damage: one is the injustice of support and pier contact surface,
Because the feelings that do not enrich and have cavity will be will appear on seat board and bridge pier contact surface under support caused by a variety of causes in bridge use process
Condition makes contact surface leakiness, so that support destroys；Secondly there is defective mounting during installation for support, support is easily formed
It comes to nothing, so that rubber and steel plate binding site shear stress concentration in support, even will appear sliding of transfiniting when disease development is violent
And failure by shear；The third is generating abnormal deformation, sliding is obstructed and cracks using support easily season cracking by long-term
Disease.For defect phenomenons such as support damages, take corresponding effective measures imperative to solve these problems.
Summary of the invention
In view of this, guaranteeing that bridge makes the object of the present invention is to provide a kind of switching performance that girder and bridge pier can be improved
With the girder and bridge pier built-in structure and its construction method of the Longspan Bridge of safety.
The present invention is realized using following scheme: a kind of girder of Longspan Bridge and bridge pier built-in structure, including prefabricated
Bridge main beam and bridge pier, the bridge pier is steel construction, together with the girder is bolted with bridge pier；The welding of bridge pier upper end
Have lower flange, the girder downside is provided with the upper flange plate on the upside of lower flange, offered on the girder with
The one-to-one hole of upper flange plate upper bolt hole, the bolt sequentially pass through hole, upper flange plate and lower flange from top to bottom
By being located at the nut check on the downside of lower flange after disk.
Further, flange gasket is folded between the upper flange plate and lower flange.
Further, the girder is poured using ultra-high performance concrete, and the upper flange plate is fixedly arranged at girder
In ultra-high performance concrete.
A kind of another technical solution of the present invention: construction party of the girder of Longspan Bridge as described above and bridge pier built-in structure
Method, comprising the following steps:
(1) the prefabricated of bridge pier and girder is carried out, bridge pier is poured using steel to be formed and bridge pier upper end is welded with lower flange, girder
Poured using ultra-high performance concrete form and girder on the downside of be consolidated with upper flange plate, be reserved on girder on upper flange plate
The one-to-one hole of bolt hole；
(2) construction of basis and pile foundation is carried out at the construction field (site), and pile foundation is deeply basic；
(3) bridge pier is mounted in pile foundation, then girder is installed on bridge pier, bolt is sequentially passed through from top to bottom hole, on
By being located at the nut check on the downside of lower flange after ring flange and lower flange.
Compared with prior art, the invention has the following advantages: the girder of Longspan Bridge of the present invention and bridge pier are solid
Bridge pier and girder by ring flange and are bolted as entirety by binding structure, can be very good the globality for realizing structure and rigid
The transition of degree, makes girder and bridge pier is not in the diseases such as stress concentration phenomenon or bridge pier offset in use, reinforces
The connection of girder and bridge pier, improves the bearing capacity of girder and bridge pier, enhances the anti-seismic performance of bridge；Flanged joint knot
Close that intensity is high, and tightness is good and easy to disassemble, easy to process, secured, stability is good, engineering practicability is very high, and structure
Simply, and low cost, versatility is high, easy for construction, while can improve support and often destroy the problem of need to repairing, Ji Nengti
High bridge safty and anti-seismic performance can be reduced maintenance cost, economical rationality again.
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, specific embodiment and phase will be passed through below
Attached drawing is closed, invention is further described in detail.
Detailed description of the invention
Fig. 1 is girder organigram of the present invention；
Fig. 2 is bridge pier structure schematic diagram of the present invention；
Fig. 3 is that ring flange cooperates schematic diagram in the embodiment of the present invention；
Figure label explanation: 1- girder, 2- bolt, 3- bridge pier, 4- lower flange, 5- flange gasket, 6- upper flange plate.
Specific embodiment
As shown in Fig. 1 ~ 3, a kind of girder of Longspan Bridge and bridge pier built-in structure, including prefabricated 1 He of bridge main beam
Bridge pier 3, the bridge pier are the pier not being connected with roadbed among Loads of Long-span Bridges, and the bridge pier 3 is steel construction, i.e., the described bridge pier is
Pre-manufactured steel pier, bridge pier bottom are connected with pile foundation, and pile foundation is deeply in basis, and pile foundation and bridge pier are rigidly connected, and the pile foundation should be soft
Property stake or Small Diameter Pile；The girder 1 and bridge pier 3 are linked together by bolt 2；3 upper end of bridge pier is welded with lower flange 4,
1 downside of girder is provided with the upper flange plate 6 positioned at 4 upside of lower flange, and the bolt hole one on upper and lower ring flange is a pair of
It answers, is offered on the girder 1 and run through the upper and lower side of girder with the one-to-one hole of 6 upper bolt hole of upper flange plate, hole,
The bolt sequentially passes through the nut after hole, upper flange plate 6 and lower flange 4 by being located at 4 downside of lower flange from top to bottom
Locking；Bridge pier and girder by ring flange and are bolted as entirety；It can be very good the globality and rigidity of realization structure
Transition, make girder and bridge pier be not in the diseases such as stress concentration phenomenon or bridge pier offset in use, strengthen
The connection of girder and bridge pier improves the bearing capacity of girder and bridge pier, enhances the anti-seismic performance of bridge；Flanged joint combines
Intensity is high, and tightness is good and easy to disassemble, easy to process, secured, stability is good, and engineering practicability is very high, and versatility
It is high, easy for construction, while support can be improved and often destroy the problem of need to repairing, bridge safty and anti-seismic performance can be improved
It can be reduced maintenance cost, economical rationality again.
In the present embodiment, flange gasket 5 is folded between the upper flange plate 6 and lower flange 4, between two panels ring flange
It is closely sealed by flange gasket, realize integrated connection.
In the present embodiment, the girder 1 is poured using ultra-high performance concrete, and the upper flange plate 6 is fixedly arranged at
In the ultra-high performance concrete of girder, in precast main beam, upper flange plate and ultra-high performance concrete are poured together, so that on
Ring flange and girder form overall structure, in addition, in order to increase intensity, upper flange plate can also be welded with the steel reinforcement cage in girder
Together；Girder uses ultra-high performance concrete, and rigidity is smaller, is conducive to absorb master under temperature action and Vehicle Load
The deformation of beam can play the role of energy consumption under geological process.
The girder and bridge pier built-in structure of Longspan Bridge of the present invention can be accomplished to eliminate bridge from construction and mechanical mechanism
The junction beam Liang Dun disease problem, guarantees the safety that bridge uses.The basic principle of the construction measure is to reinforce bridge main beam
With the connection of bridge pier, make girder and bridge pier junction will not as connecting support it is perishable, the construction measure is by traditional branch
Seat connection is changed into flanged joint, avoids the diseases such as support is perishable and bridge pier deviates.Largely may be used using UHPC girder
To adapt to the generation that the deformation of bridge reduces crack.The use of ring flange strengthens the connection of girder and bridge pier, improves girder
With the bearing capacity of bridge pier, the anti-seismic performance of bridge is enhanced.When bridge is in operation stage, bridge is by extraneous factor
It influences to generate horizontal displacement and corner, which well can tie top by the switching performance of raising girder and bridge pier
The deformation of structure is transmitted down, meanwhile, the girder of UHPC material can also absorb part deformation, make bridge will not generate excessive deformation and
It destroys.Therefore, which connect with traditional support there are difference, is on the one hand to make bridge pier with ring flange and bolt
It is connected with girder and realizes good stiffness transition, be less prone to stress concentration phenomenon and flange connections are destroyed；Separately
It on the one hand is equally defective mounting will not occur with support and cause to come to nothing, the diseases such as bridge pier offset.Flanged joint bond strength
Height, tightness is good and easy to disassemble, easy to process, secured, stability is good, and engineering practicability is very high, therefore, has more important
Engineering value and economic benefit.
A kind of construction method of the girder of Longspan Bridge as described above and bridge pier built-in structure, comprising the following steps:
(1) the prefabricated of bridge pier and girder is carried out, bridge pier is poured using steel to be formed and bridge pier upper end is welded with lower flange, girder
Poured using ultra-high performance concrete form and girder on the downside of be consolidated with upper flange plate, be reserved on girder on upper flange plate
The one-to-one hole of bolt hole；
(2) construction of basis and pile foundation is carried out at the construction field (site), and pile foundation is deeply basic；
(3) bridge pier is mounted in pile foundation, then girder is installed on bridge pier, bolt is sequentially passed through from top to bottom hole, on
By being located at the nut check on the downside of lower flange after ring flange and lower flange.
Any technical solution disclosed in aforementioned present invention unless otherwise stated, if it discloses numberical range,
Disclosed numberical range is preferred numberical range, and any it should be appreciated by those skilled in the art preferred numberical ranges
The only obvious or representative numerical value of technical effect in many enforceable numerical value.It, can not since numerical value is more
Exhaustion, so the present invention just discloses technical solution of the component values to illustrate the present invention, also, the above-mentioned numerical value enumerated is not
The limitation to the invention protection scope should be constituted.
If the present invention is open or relates to the components or structural member of connection fastened to each other, unless otherwise stated,
It is fixedly connected it is to be understood that connection (such as connecting using bolt or screw) can be removedly fixed, it is understood that are as follows:
It is non-removable to be fixedly connected with (such as riveting, welding), certainly, connection fastened to each other or integral structure (such as make
Manufactured with casting technique is integrally formed) replaced (obviously can not be using except integrally formed technique).
In addition, for indicating the art of positional relationship or shape applied in any technical solution disclosed in aforementioned present invention
Its meaning includes approximate with its, similar or close state or shape to language unless otherwise stated.
Either component provided by the invention by multiple individual component parts either assembled, or one
The separate part that forming technology manufactures.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (4)
1. a kind of girder of Longspan Bridge and bridge pier built-in structure, it is characterised in that: including prefabricated bridge main beam and bridge pier,
The bridge pier is steel construction, together with the girder is bolted with bridge pier；Bridge pier upper end is welded with lower flange, described
Girder downside is provided with the upper flange plate on the upside of lower flange, offers on the girder and upper flange plate upper bolt hole
One-to-one hole, the bolt are sequentially passed through after hole, upper flange plate and lower flange from top to bottom by being located at lower flange
Nut check on the downside of disk.
2. the girder of Longspan Bridge according to claim 1 and bridge pier built-in structure, it is characterised in that: the upper flange
Flange gasket is folded between disk and lower flange.
3. the girder of Longspan Bridge according to claim 1 and bridge pier built-in structure, it is characterised in that: the girder is adopted
It is poured with ultra-high performance concrete, the upper flange plate is fixedly arranged in the ultra-high performance concrete of girder.
4. a kind of construction method of the girder of Longspan Bridge as described in claim 1 and bridge pier built-in structure, it is characterised in that:
The following steps are included:
(1) the prefabricated of bridge pier and girder is carried out, bridge pier is poured using steel to be formed and bridge pier upper end is welded with lower flange, girder
Poured using ultra-high performance concrete form and girder on the downside of be consolidated with upper flange plate, be reserved on girder on upper flange plate
The one-to-one hole of bolt hole；
(2) construction of basis and pile foundation is carried out at the construction field (site), and pile foundation is deeply basic；
(3) bridge pier is mounted in pile foundation, then girder is installed on bridge pier, bolt is sequentially passed through from top to bottom hole, on
By being located at the nut check on the downside of lower flange after ring flange and lower flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910405550.4A CN110004819A (en) | 2019-05-16 | 2019-05-16 | A kind of girder of Longspan Bridge and bridge pier built-in structure and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910405550.4A CN110004819A (en) | 2019-05-16 | 2019-05-16 | A kind of girder of Longspan Bridge and bridge pier built-in structure and its construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110004819A true CN110004819A (en) | 2019-07-12 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910405550.4A Pending CN110004819A (en) | 2019-05-16 | 2019-05-16 | A kind of girder of Longspan Bridge and bridge pier built-in structure and its construction method |
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| Country | Link |
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| CN (1) | CN110004819A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200245393Y1 (en) * | 2001-05-30 | 2001-10-29 | 주식회사 대우엔지니어링 | A structure of pier basis using a assembly semicircular plate |
| KR20020005876A (en) * | 2000-07-10 | 2002-01-18 | 박효기 | A Construction Method for Foundation of the Bridge and A Structure thereof |
| JP2009221714A (en) * | 2008-03-14 | 2009-10-01 | Ps Mitsubishi Construction Co Ltd | Composite girder bridge of prestressing steel concrete, and its erection method |
| CN104404869A (en) * | 2014-11-26 | 2015-03-11 | 天津港航工程有限公司 | Pile column type concrete hollow pile pier structure |
| CN104612038A (en) * | 2015-01-22 | 2015-05-13 | 宁波大学 | Flange-connecting concrete-filled double-wall steel pipe prefabricated assembly piers with additional dampers |
| CN208121543U (en) * | 2018-04-23 | 2018-11-20 | 荆州市华升新型材料股份有限公司 | A kind of prefabricated assembled bent cap structure |
| CN208830139U (en) * | 2018-09-21 | 2019-05-07 | 中铁二院工程集团有限责任公司 | Suspension type monorail of the Y type with flanged joint steel reinforced concrete combination precast pier |
| CN210031471U (en) * | 2019-05-16 | 2020-02-07 | 福州大学 | Girder and pier rigid coupling structure of large-span bridge |
-
2019
- 2019-05-16 CN CN201910405550.4A patent/CN110004819A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020005876A (en) * | 2000-07-10 | 2002-01-18 | 박효기 | A Construction Method for Foundation of the Bridge and A Structure thereof |
| KR200245393Y1 (en) * | 2001-05-30 | 2001-10-29 | 주식회사 대우엔지니어링 | A structure of pier basis using a assembly semicircular plate |
| JP2009221714A (en) * | 2008-03-14 | 2009-10-01 | Ps Mitsubishi Construction Co Ltd | Composite girder bridge of prestressing steel concrete, and its erection method |
| CN104404869A (en) * | 2014-11-26 | 2015-03-11 | 天津港航工程有限公司 | Pile column type concrete hollow pile pier structure |
| CN104612038A (en) * | 2015-01-22 | 2015-05-13 | 宁波大学 | Flange-connecting concrete-filled double-wall steel pipe prefabricated assembly piers with additional dampers |
| CN208121543U (en) * | 2018-04-23 | 2018-11-20 | 荆州市华升新型材料股份有限公司 | A kind of prefabricated assembled bent cap structure |
| CN208830139U (en) * | 2018-09-21 | 2019-05-07 | 中铁二院工程集团有限责任公司 | Suspension type monorail of the Y type with flanged joint steel reinforced concrete combination precast pier |
| CN210031471U (en) * | 2019-05-16 | 2020-02-07 | 福州大学 | Girder and pier rigid coupling structure of large-span bridge |
Non-Patent Citations (1)
| Title |
|---|
| 杨俊芬、田黎敏: "钢管结构", 31 October 2016, 北京理工大学出版社, pages: 27 * |
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