CN207484288U - A kind of steel-superhigh tenacity concrete light combination beam pier top bridge floor continuous structure - Google Patents
A kind of steel-superhigh tenacity concrete light combination beam pier top bridge floor continuous structure Download PDFInfo
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- CN207484288U CN207484288U CN201721201688.5U CN201721201688U CN207484288U CN 207484288 U CN207484288 U CN 207484288U CN 201721201688 U CN201721201688 U CN 201721201688U CN 207484288 U CN207484288 U CN 207484288U
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Abstract
The utility model discloses a kind of steel superhigh tenacity concrete light combination beam pier top bridge floor continuous structures, it is set between adjacent steel box girder bridge face plate, adjacent floorings are combined together to form a continuous entirety, including the rib of falling T, the rib of falling T web connecting plate, the rib of falling T bottom plate connecting plate, top plate connecting plate, the bottom surface of two pieces of floorings seam crossings, which is horizontally arranged at interval, multiple ribs of falling T, the rib of falling T on two pieces of floorings corresponds, the web of corresponding two pieces of ribs of falling T is connected by the one piece of rib of falling T web connecting plate, the bottom plate of corresponding two pieces of ribs of falling T is connected by the one piece of rib of falling T bottom plate connecting plate, two pieces of floorings are connected by top plate connecting plate between the adjacent rib of falling T.Adjacent box beam is linked to be entirety by the connecting structure using the rib of falling T and connecting plate, its failure mode is cut for bolt under geological process, in the reparation after earthquake, the high-strength bolt cut need to only be replaced, and sectional repair STC, repairing is simple and convenient.
Description
Technical field
The utility model is related to a kind of bridge floor continuous structures.
Background technology
Simply supported girder bridge is that the beam being respectively supported at by a both ends on a movable bearing support and a hinged-support is used as mainly
The beam bridge of load-carrying members is to belong to statically determinate structure, normal condition using a kind of earliest, most popular bridge shape in beam bridge
Under, simply supported beam one end can be with Free Transform, therefore will not generate unnecessary internal force, simple structure, and it is convenient to set up, and structural internal force is not
The influence changed by foundation deformation, temperature.But simply supported girder bridge deck expansion joint is more, causes to drive a vehicle uncomfortable.In order to effectively subtract
Few simply supported girder bridge deck expansion joint quantity, bridge floor continuous structure are widely adopted.Meanwhile simply supported girder bridge seismic force is weaker, super
Go out under the external force effect of scope of design, bridge linear deformation is excessive, destruction is be easy to cause to bridge floor continuous structure, in geological process
Under, when beam section slides past a certain range, beam body can even fall down from bearing.Existing bridge floor continuous structure goes to pot
Afterwards, repair is inconvenient, and maintenance cost is high.
Invention content
The utility model for the above-mentioned prior art the problem of, it is strong to provide a kind of shock resistance, side easy to maintenance
Just a kind of steel-superhigh tenacity concrete light combination beam pier top bridge floor continuous structure.
The utility model solves the scheme that its technical problem uses：A kind of steel-superhigh tenacity concrete light combination beam
Pier top bridge floor continuous structure saves steel box-girder including bridge pier and positioned at the two of bridge pier top surface, which is set to adjacent steel case
Between beam bridge panel, adjacent floorings are combined together to form a continuous entirety, are connected including the rib of falling T, the rib of falling T web
Fishplate bar, the rib of falling T bottom plate connecting plate, top plate connecting plate, the bottom surface of two pieces of floorings seam crossings, which is horizontally arranged at interval, multiple T
Rib, the rib of falling T on two pieces of floorings correspond, and the web of corresponding two pieces of ribs of falling T is connected by the two pieces of rib of falling T web connecting plates
Connect, the bottom plate of corresponding two pieces of ribs of falling T is connected by the one piece of rib of falling T bottom plate connecting plate, between the adjacent rib of falling T use top plate connecting plate
Two pieces of floorings are connected.
Preferably, between the rib of falling T web connecting plate, the rib of falling T bottom plate connecting plate and the rib of falling T, top plate connecting plate and floorings
Between connected by high-strength bolt.
Preferably, the bottom surface of floorings is welded at the top of the rib of falling T, the side for the rib of falling T is welded on the diaphragm plate of end.
Preferably, the height for the rib of falling T is identical with the height of floorings longitudinal direction U ribs.
Further, superhigh tenacity concrete layer is equipped on floorings and at adjacent bridge slab joint.
Further, peg and vertically and horizontally bar-mat reinforcement, superhigh tenacity top of concrete are equipped in superhigh tenacity concrete
It is equipped with asphalt mixture surfacing.
The beneficial effects of the utility model：
1st, compared with conventional telescopic stitches, adjacent box beam is linked to be entirety, upper berth by the utility model using the rib of falling T and connecting plate
Superhigh tenacity concrete has greater stiffness, and during bridge normal use, bridge floor is less prone to crack；
2nd, two parts are linked as entirety by the connecting structure using high-strength bolt, and bridge floor continuous structure is in weak part, energy
It is enough to ensure that its failure mode is cut for bolt under geological process, so as to which two parts be made to become system of simple supporting, play letter
Support body ties up to the advantage in earthquake, protects integrality of the rib structure of falling T under complicated geological process, in the reparation after earthquake,
The high-strength bolt cut need to only be replaced, and sectional repair STC, repairing is simple and convenient；
3rd, the rib of falling T bottom plate is flushed with U rib lower edges, allows the rib of falling T that Bottom Pressure is transmitted to U ribs, avoid endplate by
Power is unfavorable；
4th, the bridge floor continuous structure has the advantages that construction is succinct, speed of application is fast.
Description of the drawings
Fig. 1 is the one group of rib of falling T attachment structure schematic diagram of the utility model.
Fig. 2 is the utility model local detail structure diagram.
Fig. 3 is the bridge floor transverse sectional view using the utility model structure.
Fig. 4 is local detail schematic diagram at A in Fig. 3.
In figure：1- floorings, the 2- ribs of falling T, 21- webs, 22- bottom plates, the 3- rib of falling T web connecting plates, the 4- ribs of falling T bottom plate connect
Fishplate bar, 5- top plate connecting plates, 6- superhigh tenacity concrete layers, 7- longitudinal directions U ribs, 8- ends diaphragm plate, 9- pegs, 10- vertically and horizontally steel
Muscle net, 11- asphalt mixture surfacings.
Specific embodiment
For the ease of understanding the utility model, below in conjunction with Figure of description and preferred embodiment to the utility model
Work more comprehensively, meticulously describes, but the scope of protection of the utility model is not limited to embodiment in detail below.
As Figure 1-Figure 4, a kind of steel of the utility model-superhigh tenacity concrete light combination beam pier top bridge floor is continuous
Construction, including bridge pier and positioned at bridge pier top surface two save steel box-girders, the continuous structure be set to adjacent steel box girder bridge face plate 1 it
Between, adjacent floorings 1 are combined together to form a continuous entirety, including the rib of falling T 2, the rib of falling T web connecting plate 3, are fallen
T rib bottom plates connecting plate 4, top plate connecting plate 5, the bottom surface of two pieces of floorings seam crossings, which is horizontally arranged at interval, multiple ribs of falling T 2, T
2 top of rib is welded on the bottom surface of floorings 1, and the side of the rib of falling T 2 is welded on the diaphragm plate 8 of end.The rib of falling T 2 on two pieces of floorings
It corresponds, the webs 21 of corresponding two pieces of ribs of falling T 2 connects by the two pieces of rib of falling T web connecting plates 3, corresponding two pieces of ribs of falling T
Bottom plate 22 is connected by the one piece of rib of falling T bottom plate connecting plate 4, and two pieces of top plate connecting plates 5 are used between the adjacent rib of falling T by two pieces of floorings
1 connection.Between the rib of falling T web connecting plate 3, the rib of falling T bottom plate connecting plate 4 and the rib of falling T 2, between top plate connecting plate 5 and floorings 1
Connected by high-strength bolt.The height of the rib of falling T 2 is identical with the height of floorings longitudinal direction U ribs 7.On floorings 1 and adjacent bridge
Superhigh tenacity concrete layer 6 is equipped at slab joint.Peg 9 and vertically and horizontally bar-mat reinforcement are disposed in superhigh tenacity concrete layer 6
10；Asphalt mixture surfacing 11 is equipped on superhigh tenacity concrete layer 6.
The operation principle of the utility model construction is as follows：
Under normal use load action, there is greater stiffness by the rib structure of falling T that high-strength bolt is connected with connecting plate, on
The superhigh tenacity concrete of paving has the advantages that high-tensile, can be substantially reduced junction in Integral Loading, Local Loads
And the deformation under temperature action and cracking risk；By the way that the rib of falling T bottom plate is made to be flushed with U rib lower edges, bottom plate compression can be made
It is transmitted on U ribs, avoids endplate stress unfavorable；
Under geological process, bridge floor continuous structure is in weak part, and failure mode is cut for bolt, is accordingly changed into letter
Branch system can play advantage of the system of simple supporting in earthquake, integrality of the protection rib structure of falling T under complicated geological process.
In reparation after earthquake, the high-strength bolt cut need to only be replaced, and sectional repair STC, repair simple side
Just.
With the help of being instructed present in aforementioned specification and relevant drawings, the technology people of the utility model fields
Member is it will be appreciated that many modifications and other embodiments of the utility model.It will consequently be understood that the utility model is not limited to
Disclosed specific embodiment, modification and other embodiments are to be considered as included in scope of the appended claims.Although this
Specific term is used in text, they are only used rather than limited with generic and descriptive sense.
Claims (6)
1. a kind of steel-superhigh tenacity concrete light combination beam pier top bridge floor continuous structure, including bridge pier and positioned at bridge pier top surface
Two section steel box-girders, it is characterised in that：The continuous structure is set between adjacent steel box girder bridge face plate, and adjacent floorings are combined
A continuous entirety is formed together, including the rib of falling T, the rib of falling T web connecting plate, the rib of falling T bottom plate connecting plate, top plate connection
Plate, the bottom surface of two pieces of floorings seam crossings, which is horizontally arranged at interval, multiple ribs of falling T, and the rib of falling T on two pieces of floorings corresponds,
The web of corresponding two pieces of ribs of falling T is connected by the two pieces of rib of falling T web connecting plates, the bottom plate of corresponding two pieces of ribs of falling T by one piece fall T
Rib bottom plate connecting plate connects, and is connected two pieces of floorings using top plate connecting plate between the adjacent rib of falling T.
2. a kind of steel-superhigh tenacity concrete light combination beam pier top bridge floor continuous structure as described in claim 1, feature
It is：Between the rib of falling T web connecting plate, the rib of falling T bottom plate connecting plate and the rib of falling T, pass through between top plate connecting plate and floorings
High-strength bolt connects.
3. a kind of steel-superhigh tenacity concrete light combination beam pier top bridge floor continuous structure as described in claim 1, feature
It is：The bottom surface of floorings is welded at the top of the rib of falling T, the side for the rib of falling T is welded on the diaphragm plate of end.
4. a kind of steel-superhigh tenacity concrete light combination beam pier top bridge floor continuous structure as described in claim 1, feature
It is：The height for the rib of falling T is identical with the height of floorings longitudinal direction U ribs.
5. a kind of steel-superhigh tenacity concrete light combination beam pier top bridge floor as described in claim 1-4 any one is continuous
Construction, it is characterised in that：Superhigh tenacity concrete layer is equipped on floorings and at adjacent bridge slab joint.
6. a kind of steel-superhigh tenacity concrete light combination beam pier top bridge floor continuous structure as claimed in claim 5, feature
It is：Peg and vertically and horizontally bar-mat reinforcement are equipped in superhigh tenacity concrete, superhigh tenacity top of concrete is equipped with pitch paving
Fill layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721201688.5U CN207484288U (en) | 2017-09-19 | 2017-09-19 | A kind of steel-superhigh tenacity concrete light combination beam pier top bridge floor continuous structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721201688.5U CN207484288U (en) | 2017-09-19 | 2017-09-19 | A kind of steel-superhigh tenacity concrete light combination beam pier top bridge floor continuous structure |
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| CN207484288U true CN207484288U (en) | 2018-06-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107653779A (en) * | 2017-09-19 | 2018-02-02 | 中国公路工程咨询集团有限公司 | A kind of steel superhigh tenacity concrete light combination beam pier top bridge floor continuous structure and its construction method |
| CN109958049A (en) * | 2019-02-26 | 2019-07-02 | 浙江大学 | A kind of modularization steel-is mixed to combine small box girder freely-supported continuous bridge and its construction method |
| CN109958050A (en) * | 2019-03-12 | 2019-07-02 | 浙江大学 | A kind of mixed combination small box girder simple bridge of improved lightweight modules steel- |
-
2017
- 2017-09-19 CN CN201721201688.5U patent/CN207484288U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107653779A (en) * | 2017-09-19 | 2018-02-02 | 中国公路工程咨询集团有限公司 | A kind of steel superhigh tenacity concrete light combination beam pier top bridge floor continuous structure and its construction method |
| CN109958049A (en) * | 2019-02-26 | 2019-07-02 | 浙江大学 | A kind of modularization steel-is mixed to combine small box girder freely-supported continuous bridge and its construction method |
| CN109958050A (en) * | 2019-03-12 | 2019-07-02 | 浙江大学 | A kind of mixed combination small box girder simple bridge of improved lightweight modules steel- |
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