CN206308601U - A kind of steel reinforced concrete combined board structure of Short/Medium Span Bridge - Google Patents
A kind of steel reinforced concrete combined board structure of Short/Medium Span Bridge Download PDFInfo
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- CN206308601U CN206308601U CN201621309306.6U CN201621309306U CN206308601U CN 206308601 U CN206308601 U CN 206308601U CN 201621309306 U CN201621309306 U CN 201621309306U CN 206308601 U CN206308601 U CN 206308601U
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- board structure
- combined board
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Abstract
The utility model is related to a kind of steel reinforced concrete combined board structure of Short/Medium Span Bridge, the structure includes steel I-beam and armoured concrete slab, described steel I-beam includes top flange arranged in parallel, lower flange and the web being arranged between top flange and lower flange, described top flange is embedded in the inside of armoured concrete slab, and described top flange is provided with shear connector.Compared with prior art, the utility model combines steel I-beam with armoured concrete slab, integrally-built height is not have compressed only effectively, and the characteristic of material mechanics of steel tension, concrete anti-compression can be given full play to, good mechanical properties, and structure simple structure, easy construction, have broad application prospects.
Description
Technical field
The utility model belongs to technical field of bridge engineering, is related to a kind of steel reinforced concrete combined board structure of Short/Medium Span Bridge.
Background technology
At present, the cruiseway in many cities is located at bustling life and commercial spine, and in this place, newly-built one is faced
Crossing generally requires to raise that access ramp road sign is high across waterway bridge, and this can go out to the traffic in residential block at the front, market, shop
Row brings very big influence.In recent years, the navigational clearance standard across waterway bridge structure is greatly improved, to city across Channel Bridge
The structure height of beam proposes requirement higher.In order to reduce newly building bridge as much as possible to periphery life, the shadow of commercial vehicle
Ring, it is necessary to compress the height of bridge structure as much as possible, and be reduced as far as the engineering time, city is run well with mitigating
Interference.
Current Short/Medium Span Bridge typically uses the structure type such as precast concrete beam or steel reinforced concrete combination beam, wherein, in advance
Beams of concrete processed is including hollow slab girder, small box girder, T beams etc..The applicable across footpath scope of precast concrete beam is 10-40m, steel reinforced concrete group
It is 20-50m to close the applicable across footpath scope of beam；Between 1/17-1/23, T beams are fitted for hollow slab girder and the applicable rise-span ratio of small box girder
Between 1/13-1/16, the applicable rise-span ratio of steel reinforced concrete combination beam is between 1/18-1/30 for rise-span ratio.But in actual conditions
In, due to the height of bridge structure to be compressed, cause the bridge to be built often to meet above range, especially it is high across
Than requiring, so that a kind of structure type that can be applied to low clearance Short/Medium Span Bridge.
Utility model content
The purpose of this utility model is exactly to provide a kind of in compression bridge for the defect for overcoming above-mentioned prior art to exist
In the case of girder construction height, the steel reinforced concrete compoboard of the Short/Medium Span Bridge still with good mechanical property and easy construction
Structure.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of steel reinforced concrete combined board structure of Short/Medium Span Bridge, the structure includes steel I-beam and armoured concrete slab,
Described steel I-beam includes top flange arranged in parallel, lower flange and the abdomen being arranged between top flange and lower flange
Plate, described top flange is embedded in the inside of armoured concrete slab, and described top flange is provided with shear connector.Described steel
Interface shear stress is transmitted by shear connector between reinforced concrete plate and steel I-beam.
Described steel I-beam is provided with multiple side by side, is fixedly connected by lower flange between two adjacent steel I-beams.
As preferred technical scheme, connected by welding manner or bolt between two adjacent lower flanges of steel I-beam
The mode of connecing is fixedly connected.
The both sides of described web are equipped with the vertical ribbed stiffener perpendicular with web, the top of the vertical ribbed stiffener, bottom
Portion is connected with top flange, lower flange respectively.Described vertical ribbed stiffener is perpendicular with web, top flange, lower flange respectively.
Lateral connection beam is provided between two adjacent steel I-beams, the end of the lateral connection beam is solid with vertical ribbed stiffener
Fixed connection.Because the both sides of web are equipped with vertical ribbed stiffener, therefore two adjacent webs are equipped with opposite sides
Vertical ribbed stiffener, be fixed together for the two vertical ribbed stiffeners by lateral connection beam, to realize to two adjacent I-shapeds
Girder steel is further fixedly connected.
Used as preferred technical scheme, described lateral connection beam is channel-section steel.
As preferred technical scheme, welding manner is passed through between the end of described lateral connection beam and vertical ribbed stiffener
Or bolt connecting mode is fixedly connected.
Described armored concrete plate top surface and bottom surface are equipped with two-way concrete slab.Two-way concrete slab is on the one hand as reinforced concrete
The horizontal bending resistance steel bar stress of native plate, on the other hand as the distributing bar of control Shrinkage Cracking of Concrete.
Described shear connector is the weldering nail for being arranged on top flange top or bottom.Described weldering nail and the top of top flange
Face or bottom surface are perpendicular.
Described shear connector is the transverse steel being arranged on top flange.The length direction of the transverse steel with it is vertical
The width of ribbed stiffener is identical.
Described shear connector is the hole being opened on top flange.
The periphery of described armoured concrete slab is provided with outer steel plate, and the bottom of the outer steel plate is fixedly connected with lower flange.Outward
Steel plate includes being arranged on the end steel plate at steel I-beam two ends and being arranged on the side steel plate of steel I-beam both sides, and outer steel plate will
Armoured concrete slab and steel I-beam are trapped among centre, and outer steel plate can either be carried out from outside to armoured concrete slab and steel I-beam
Reinforce, while the casting concrete in construction can also be easy to as the template of armoured concrete slab.
As preferred technical scheme, fixed by welding manner between the bottom and lower flange of described outer steel plate and connected
Connect.
The bottom of described steel I-beam is provided with bearing.The bearing is arranged on the two ends of steel I-beam.
The applicable across footpath scope of the utility model is 5-45m, and rise-span ratio is between 1/25-1/35.
Construction procedure of the present utility model is as follows：
(1) multiple steel I-beams are produced in factory；
(2) at bridge construction scene, multiple steel I-beams are spliced side by side, stitching portion is connected using solder design or bolt
Connect；
(3) the vertical ribbed stiffener being oppositely arranged of two adjacent steel I-beams is connected with lateral connection beam, using welding
Or bolt connecting mode is attached, afterwards in the outer steel plate of the assembled steel I-beam peripheral solder for completing；
(4) assembling reinforcement, casting concrete obtains described steel reinforced concrete combined board structure.
Compared with prior art, the utility model has the characteristics that：
1) steel I-beam and armoured concrete slab are combined, integrally-built height are not have compressed only effectively,
And the characteristic of material mechanics of steel tension, concrete anti-compression can be given full play to, good mechanical properties are preceding with wide application
Scape；
2) structure simple structure, steel I-beam and other parts are easy to processing；
3) easy construction, is capable of achieving scene splicing assembling, and steel I-beam and outer steel plate can be simultaneously as armoured concrete slabs
The template of cast in situs；
4) steel using amount is appropriate, and cost is suitable with traditional precast concrete beam.
Brief description of the drawings
Fig. 1 is the overall structure diagram of steel reinforced concrete combined board structure in embodiment 1；
Fig. 2 is the structural representation of steel I-beam in embodiment 1；
Fig. 3 is the structural representation after multiple steel I-beams splicing assemblings in embodiment 1；
Fig. 4 is the structural representation of shear connector in embodiment 1；
Fig. 5 is the structural representation of shear connector in embodiment 2；
Fig. 6 is the structural representation of shear connector in embodiment 3；
Fig. 7 is the structural representation of shear connector in embodiment 4；
Description of symbols in figure：
1-steel I-beam, 2-top flange, 3-lower flange, 4-armoured concrete slab, 5-two-way concrete slab, 6-web,
7-vertical ribbed stiffener, 8-lateral connection beam, 9-weldering nail, 10-transverse steel, 11-hole, 12-outer steel plate.
Specific embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with the utility model
Implemented premised on technical scheme, given detailed implementation method and specific operating process, but guarantor of the present utility model
Shield scope is not limited to following embodiments.
Embodiment 1：
A kind of steel reinforced concrete combined board structure of Short/Medium Span Bridge as shown in Figure 1, the structure includes steel I-beam 1 and steel
Reinforced concrete plate 4, as shown in Fig. 2 steel I-beam 1 includes top flange 2 arranged in parallel, lower flange 3 and is arranged on
Web 6 between the edge of a wing 2 and lower flange 3, top flange 2 is embedded in the inside of armoured concrete slab 4, and top flange 2 is provided with shearing resistance
Connector.The top surface of armoured concrete slab 4 and bottom surface are equipped with two-way concrete slab 5.
As shown in figure 3, steel I-beam 1 is provided with multiple side by side, it is solid by lower flange 3 between two adjacent steel I-beams 1
Fixed connection.The both sides of web 6 are equipped with the vertical ribbed stiffener 7 perpendicular with web 6, the top of the vertical ribbed stiffener 7, bottom point
It is not connected with top flange 2, lower flange 3.Lateral connection beam 8 is provided between two adjacent steel I-beams 1, the lateral connection beam 8
End be fixedly connected with vertical ribbed stiffener 7.
As shown in figure 4, shear connector is the weldering nail 9 for being arranged on the top of top flange 2.
The periphery of armoured concrete slab 4 is provided with outer steel plate 12, and the bottom of the outer steel plate 12 is fixedly connected with lower flange 3.Work
The bottom of word girder steel 1 is provided with bearing.
The construction procedure of this steel reinforced concrete combined board structure is as follows：
(1) multiple steel I-beams 1 are produced in factory；
(2) at bridge construction scene, multiple steel I-beams 1 are spliced side by side, stitching portion uses solder design；
(3) the vertical ribbed stiffener 7 being oppositely arranged of two adjacent steel I-beams 1 is connected with lateral connection beam 8, using weldering
The mode of connecing is attached, afterwards in the outer steel plate 12 of the assembled peripheral solder of steel I-beam 1 for completing；
(4) assembling reinforcement, casting concrete forms steel reinforced concrete combined board structure.
Embodiment 2：
In the present embodiment, shear connector is the weldering nail 9 for being arranged on the bottom of top flange 2, as shown in figure 5, remaining is with implementation
Example 1.
Embodiment 3：
In the present embodiment, shear connector is the transverse steel 10 being arranged on top flange 2, as shown in fig. 6, remaining is with real
Apply example 1.
Embodiment 4：
In the present embodiment, shear connector is the hole 11 being opened on top flange 2, as shown in fig. 7, remaining is with embodiment 1.
The above-mentioned description to embodiment is to be understood that and use practicality for ease of those skilled in the art
It is new.Person skilled in the art obviously can easily make various modifications to these embodiments, and illustrating herein
General Principle be applied in other embodiment without by performing creative labour.Therefore, the utility model is not limited to above-mentioned
Embodiment, those skilled in the art according to announcement of the present utility model, do not depart from improvement that the utility model category made and
Modification all should be within protection domain of the present utility model.
Claims (10)
1. the steel reinforced concrete combined board structure of a kind of Short/Medium Span Bridge, it is characterised in that the structure includes steel I-beam (1) and steel
Reinforced concrete plate (4), described steel I-beam (1) includes top flange (2) arranged in parallel, lower flange (3) and setting
Web (6) between top flange (2) and lower flange (3), described top flange (2) is embedded in the interior of armoured concrete slab (4)
Portion, described top flange (2) is provided with shear connector.
2. a kind of steel reinforced concrete combined board structure of Short/Medium Span Bridge according to claim 1, it is characterised in that described work
Word girder steel (1) is provided with multiple side by side, is fixedly connected by lower flange (3) between two adjacent steel I-beams (1).
3. a kind of steel reinforced concrete combined board structure of Short/Medium Span Bridge according to claim 2, it is characterised in that described abdomen
The both sides of plate (6) are equipped with the vertical ribbed stiffener (7) perpendicular with web (6), the top of the vertical ribbed stiffener (7), bottom point
It is not connected with top flange (2), lower flange (3).
4. a kind of steel reinforced concrete combined board structure of Short/Medium Span Bridge according to claim 3, it is characterised in that adjacent two
Lateral connection beam (8) is provided between individual steel I-beam (1), the end of the lateral connection beam (8) is fixed with vertical ribbed stiffener (7) to be connected
Connect.
5. a kind of steel reinforced concrete combined board structure of Short/Medium Span Bridge according to claim 1, it is characterised in that described steel
Reinforced concrete plate (4) top surface and bottom surface are equipped with two-way concrete slab (5).
6. the steel reinforced concrete combined board structure of a kind of Short/Medium Span Bridge according to claim 1, it is characterised in that described is anti-
It is weldering nail (9) for being arranged on top flange (2) top or bottom to cut connector.
7. the steel reinforced concrete combined board structure of a kind of Short/Medium Span Bridge according to claim 1, it is characterised in that described is anti-
It is the transverse steel (10) being arranged on top flange (2) to cut connector.
8. the steel reinforced concrete combined board structure of a kind of Short/Medium Span Bridge according to claim 1, it is characterised in that described is anti-
It is the hole (11) being opened on top flange (2) to cut connector.
9. a kind of steel reinforced concrete combined board structure of the Short/Medium Span Bridge according to any one of claim 1 to 8, its feature exists
In the periphery of described armoured concrete slab (4) is provided with outer steel plate (12), and the bottom of the outer steel plate (12) is solid with lower flange (3)
Fixed connection.
10. a kind of steel reinforced concrete combined board structure of the Short/Medium Span Bridge according to any one of claim 1 to 8, its feature exists
In the bottom of described steel I-beam (1) is provided with bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621309306.6U CN206308601U (en) | 2016-12-01 | 2016-12-01 | A kind of steel reinforced concrete combined board structure of Short/Medium Span Bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621309306.6U CN206308601U (en) | 2016-12-01 | 2016-12-01 | A kind of steel reinforced concrete combined board structure of Short/Medium Span Bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206308601U true CN206308601U (en) | 2017-07-07 |
Family
ID=59250288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621309306.6U Expired - Fee Related CN206308601U (en) | 2016-12-01 | 2016-12-01 | A kind of steel reinforced concrete combined board structure of Short/Medium Span Bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206308601U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107881900A (en) * | 2017-11-09 | 2018-04-06 | 西安科技大学 | A kind of steel reinforced concrete combined bridge |
| CN108130852A (en) * | 2016-12-01 | 2018-06-08 | 上海浦东建筑设计研究院有限公司 | A kind of steel reinforced concrete combined board structure of Short/Medium Span Bridge |
-
2016
- 2016-12-01 CN CN201621309306.6U patent/CN206308601U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108130852A (en) * | 2016-12-01 | 2018-06-08 | 上海浦东建筑设计研究院有限公司 | A kind of steel reinforced concrete combined board structure of Short/Medium Span Bridge |
| CN107881900A (en) * | 2017-11-09 | 2018-04-06 | 西安科技大学 | A kind of steel reinforced concrete combined bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170707 Termination date: 20191201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |