CN106906749A - The construction method of full assembled steel-concrete combined structure box beam - Google Patents
The construction method of full assembled steel-concrete combined structure box beam Download PDFInfo
- Publication number
- CN106906749A CN106906749A CN201710136792.9A CN201710136792A CN106906749A CN 106906749 A CN106906749 A CN 106906749A CN 201710136792 A CN201710136792 A CN 201710136792A CN 106906749 A CN106906749 A CN 106906749A
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- China
- Prior art keywords
- steel
- steel plate
- box beam
- prefabricated
- concrete
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- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
Abstract
The invention discloses a kind of construction method of full assembled steel-concrete combined structure box beam, top board prefabricated first, the shear connector for upwardly extending first is welded on the crest face of first waveform steel plate, steel form or the air bag consistent with trough shape are filled in trough as inner membrance, then first waveform steel plate top assembling reinforcement concrete slab framework of steel reinforcement, finally pour into a mould concrete；Prefabricated panel, the alignment of the second corrugated sheet steel is placed on above straight steel plate, and connected by high-strength bolt again；If box beam size is smaller, when base plate is only with straight steel plate, then this step is omitted；Then the prefabricated Wavelike steel webplate for being fixedly linked with top board and base plate；I-shaped structure connector is processed into web end, or overhanging connector is respectively welded on first waveform steel plate and the second corrugated sheet steel/straight steel plate；Last assembled in situ.The present invention efficiently solves the problems, such as deformation between steel construction and concrete structure.
Description
Technical field
The present invention relates to technical field of bridge engineering, more particularly, to a kind of applying for full assembled steel-concrete combined structure box beam
Work method.
Background technology
In science of bridge building field, the advantage of steel construction and concrete structure is had concurrently due to steel-concrete combined structure box beam, both may be used
Effectively to mitigate dead load, the span ability of bridge can be improved again, therefore with significant economic benefit and social benefit, should
With having a extensive future.But existing assembled steel-concrete combined structure box beam is applied only on ocean or navigable river, typically
Constructed using the all-welded method of integral prefabricated, girder steel, with the fireballing advantage of site operation, but due to overall dimensions
Greatly, weight is big, and its requirement to hanging device is high, and factory's welding capacity is big, and scene needs also remain for carrying out welding job, this form
Combining structure box beam do not only exist the not enough problem of weld seam anti-fatigue performance, and there is the temperature of steel and concrete and shrink
The nonsynchronous problem of time deformation, it is cracking to easily cause pier top position armoured concrete slab, influences attractive in appearance or even weakens bridge
The holistic resistant behavior of girder construction.
The content of the invention
The present invention provides a kind of construction method of full assembled steel-concrete combined structure box beam, it is therefore intended that solve assembled steel
The problems such as mixed combining structure box beam overall dimensions are big, lifting is difficult, welding job amount is big, holistic resistant behavior is poor.
To achieve the above object, the present invention can take following technical proposals：
The construction method of full assembled steel-concrete combined structure box beam of the present invention, it is specific as follows：
The first step, prefabricated top board：
First the shear connector for upwardly extending is welded on the crest face of first waveform steel plate, in trough fill steel form or with
The consistent air bag of trough shape as inner membrance, then first waveform steel plate top assembling reinforcement concrete slab reinforcing bar
Frame, finally pours into a mould concrete；
Second step, prefabricated panel：
The alignment of second corrugated sheet steel is placed on above straight steel plate, and is connected by high-strength bolt；If box beam size is smaller, bottom
When plate is only with straight steel plate, then this step is omitted；
3rd step, prefabricated web and making connector：
The prefabricated Wavelike steel webplate for being fixedly linked with top board and base plate；I-shaped structure connection is processed into web end
Part, or it is respectively welded overhanging connector on first waveform steel plate and the second corrugated sheet steel/straight steel plate；
4th step, assembled in situ.
The construction method of the full assembled steel-concrete combined structure box beam that the present invention is provided, fully combines concrete, waveform
Steel plate, the respective advantage of straight steel plate, using the wrinkle effect of corrugated sheet steel efficiently solve steel construction and concrete structure it
Between deform problem of disharmony, while make box beam under load action have stronger bending strength；Box beam top board, base plate and web
Construction precision can be improve in factory's precast block；Site Welding amount is reduced, a series of diseases brought by weld seam are reduced
Evil；As a result of prefabrication, the form of construction work of on-site consolidation, substantially reduce the site operation cycle, accelerate construct into
Degree.
Brief description of the drawings
Fig. 1 is the construction procedure figure of top board.
Fig. 2 is the construction procedure figure of base plate.
Fig. 3 is the structural representation of full assembled steel-concrete combined structure box beam of the present invention（Web end is welding
Attachment structure）.
Fig. 4 is the enlarged drawing in A portions in Fig. 3.
Fig. 5 is the structural representation of full assembled steel-concrete combined structure box beam of the present invention（Web end is bolt
Attachment structure）.
Fig. 6 is the enlarged drawing in B portions in Fig. 5.
Specific embodiment
The construction method of full assembled steel-concrete combined structure box beam of the present invention is specific as follows：
The first step, prefabricated top board：
During construction, first first waveform steel plate 1.1 is laid on smooth ground（See Fig. 1 a）, weld upward on its crest face
The shear connector 1.3 of extension, fills steel form or the air bag consistent with trough shape as inner membrance 1.5 in trough（See
Fig. 1 b）, then the top of first waveform steel plate 1.1 according to code requirement assembling reinforcement concrete slab 1.2 framework of steel reinforcement 1.6
（See Fig. 1 c）, finally pour into a mould concrete（See Fig. 1 d）, form combined bridge deck.
Second step, prefabricated panel：
During construction, first reserved in the corresponding position of the corrugated sheet steel 2.2 of straight steel plate 2.1 and second respectively according to design size high-strength
, then be laid in straight steel plate 2.1 on smooth ground by bolt hole（See Fig. 2 a）, the alignment of the second corrugated sheet steel 2.2 is placed on
Above straight steel plate 2.1（See Fig. 2 b）, high-strength bolt 2.3 is carried out then according to symmetry principle just twisting, after being fully completed, according to right
Claim principle that high-strength bolt 2.3 is screwed onto into design load eventually（See Fig. 2 c）, that is, complete the construction of box beam base plate.When box beam size is smaller,
When box beam base plate is only with straight steel plate 2.1, then this step is omitted.
3rd step, prefabricated web and making connector：
Prefabricated Wavelike steel webplate 3.1,3.2, when being connected using welding manner, I-shaped structure connector is processed into by its end
3.3；When being connected by screw bolts, it is respectively welded on first waveform steel plate 1.1, the second corrugated sheet steel 2.2 or straight steel plate 2.1 outer
Stretch connector 1.4.
4th step, assembled in situ：
Wavelike steel webplate 3.1,3.2, prefabricated panel, prefabricated top board etc. are lifted respectively at the scene it is in place, then using bolt/or
With prefabricated top board and prefabricated panel be connected Wavelike steel webplate 3.1,3.2 by welding manner, ultimately forms a box beam knot for entirety
Structure.
The full assembled steel-concrete combined structure box beam that above-mentioned assembling is completed as seen in figures 3-6, including top board, base plate and fixation
It is arranged on the web between top board and base plate.
Top board of the invention is combined bridge deck, including the first waveform steel plate 1.1 being fixedly linked with web 3.1,3.2,
The top of first waveform steel plate 1.1 is provided with armoured concrete slab 1.2, and the shearing being welded on the crest of first waveform steel plate 1.1 connects
The end of fitting 1.3 is extended in armoured concrete slab 1.2.
When box beam size is smaller, base plate is only with straight steel plate 2.1；When box beam size is larger, base plate uses combined type,
Specifically, the second corrugated sheet steel 2.2 being fixedly linked with web 3.1,3.2, straight steel are provided with the top of straight steel plate 2.1 of base plate
Plate 2.1 be connected by high-strength bolt 2.3 at the trough of the second corrugated sheet steel 2.2, common stress.
Web 3.1,3.2 is the steel plate of waveform configuration, can improve the resist bending ability of web, and the entirety of enhancing box beam is strong
Degree.Web 3.1,3.2 and top board and base plate are connected by welding structure or/and bolt fastening structure.With web 3.2 and top board
Connection as a example by, as shown in figure 4, being provided with the I-shaped structure being weldingly connected with first waveform steel plate 1.1 in the end of web 3.2
Connector 3.3, or as shown in fig. 6, be welded with overhanging connector 1.4 on first waveform steel plate 1.1, the end card of web 3.2
It is connected between overhanging connector 1.4, both are connected by bolt 3.4.The connection that base plate is connected with web can also use above-mentioned knot
Any one or two kinds of in structure.
It is of the invention compared with the box beam of existing assembled steel-concrete combined structure, mainly with advantages below：
1）Relative to traditional steel reinforced concrete combined box beam, corrugated sheet steel has extremely strong anti-shearing flexion capabilities, and in transverse temperature
Under effect and concrete shrinkage effect, it is nonsynchronous with concrete deformation that the fold effect of corrugated sheet steel can significantly reduce steel plate
Problem, can reduce the stress of floorings direction across bridge, it is to avoid the cracking of floorings direction across bridge, so that the entirety for strengthening combined box beam is received
Power performance.
2）The current existing ripe production equipment of corrugated sheet steel, and form corrugated sheet steel production line, it is easy to it is extensive
Standardized production, accelerating construction progress saves construction investment cost.
3）The present invention employs corrugated sheet steel on a large scale, fully combines that concrete crushing strength is high and corrugated sheet steel shearing resistance
The good advantage of yield strength high fatigue resistance so that material obtains more rational application, bulk strength is high.
4）The arrangement and method for construction of full assembling, steel construction is broken the whole up into parts, and effectively reduces the time of site operation, makes construction
Efficiency is increased substantially.
5）The welding capacity of steel construction is farthest reduced, the overall anti-fatigue performance of steel construction is favorably improved, carried
The life-span of bridge high.
Claims (1)
1. a kind of construction method of full assembled steel-concrete combined structure box beam, it is characterised in that：
The first step, prefabricated top board：
The shear connector for upwardly extending is welded on the crest face of first waveform steel plate first, in trough fill steel form or
The air bag consistent with trough shape as inner membrance, then first waveform steel plate top assembling reinforcement concrete slab reinforcing bar
Skeleton, finally pours into a mould concrete；
Second step, prefabricated panel：
The alignment of second corrugated sheet steel is placed on above straight steel plate, and is connected by high-strength bolt；If box beam size is smaller, bottom
When plate is only with straight steel plate, then this step is omitted；
3rd step, prefabricated web and making connector：
The prefabricated Wavelike steel webplate for being fixedly linked with top board and base plate；I-shaped structure connection is processed into web end
Part, or it is respectively welded overhanging connector on first waveform steel plate and the second corrugated sheet steel/straight steel plate；
4th step, assembled in situ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710136792.9A CN106906749B (en) | 2017-03-09 | 2017-03-09 | The construction method of full assembled steel-concrete combined structure box beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710136792.9A CN106906749B (en) | 2017-03-09 | 2017-03-09 | The construction method of full assembled steel-concrete combined structure box beam |
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| CN106906749A true CN106906749A (en) | 2017-06-30 |
| CN106906749B CN106906749B (en) | 2018-10-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107724224A (en) * | 2017-09-30 | 2018-02-23 | 深圳市市政设计研究院有限公司 | Trapezoidal clad steel plate mixed structure box beam and method of construction |
| CN108457182A (en) * | 2018-05-18 | 2018-08-28 | 中山职业技术学院 | A kind of cross bridge floor board and its construction technology |
| CN112211083A (en) * | 2020-11-10 | 2021-01-12 | 湖南工学院 | Steel-concrete composite beam slab for small bridge and culvert and production method thereof |
| CN108457182B (en) * | 2018-05-18 | 2024-04-30 | 中山职业技术学院 | Orthotropic bridge deck and construction process thereof |
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| JP3623899B2 (en) * | 1999-09-13 | 2005-02-23 | 新日本製鐵株式会社 | Joint structure of concrete slab and steel web in composite box girder |
| CN103614964A (en) * | 2013-12-10 | 2014-03-05 | 东南大学 | Steel box beam orthotropic deck slab |
| CN104195959A (en) * | 2014-09-26 | 2014-12-10 | 中铁二十局集团第五工程有限公司 | Construction technology for prefabricating a corrugated steel web PC I beam into combined box girder bridge |
| CN105064198A (en) * | 2015-07-30 | 2015-11-18 | 苏交科集团股份有限公司 | Semi-prefabricated and assembled composite box girder with corrugated steel webs and preparation method thereof |
| KR20160069155A (en) * | 2014-12-08 | 2016-06-16 | 현인호 | Composite Box Girder with concrete composite section in Compression Zone of Steel Box Girder |
-
2017
- 2017-03-09 CN CN201710136792.9A patent/CN106906749B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3623899B2 (en) * | 1999-09-13 | 2005-02-23 | 新日本製鐵株式会社 | Joint structure of concrete slab and steel web in composite box girder |
| CN103614964A (en) * | 2013-12-10 | 2014-03-05 | 东南大学 | Steel box beam orthotropic deck slab |
| CN104195959A (en) * | 2014-09-26 | 2014-12-10 | 中铁二十局集团第五工程有限公司 | Construction technology for prefabricating a corrugated steel web PC I beam into combined box girder bridge |
| KR20160069155A (en) * | 2014-12-08 | 2016-06-16 | 현인호 | Composite Box Girder with concrete composite section in Compression Zone of Steel Box Girder |
| CN105064198A (en) * | 2015-07-30 | 2015-11-18 | 苏交科集团股份有限公司 | Semi-prefabricated and assembled composite box girder with corrugated steel webs and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107724224A (en) * | 2017-09-30 | 2018-02-23 | 深圳市市政设计研究院有限公司 | Trapezoidal clad steel plate mixed structure box beam and method of construction |
| CN108457182A (en) * | 2018-05-18 | 2018-08-28 | 中山职业技术学院 | A kind of cross bridge floor board and its construction technology |
| CN108457182B (en) * | 2018-05-18 | 2024-04-30 | 中山职业技术学院 | Orthotropic bridge deck and construction process thereof |
| CN112211083A (en) * | 2020-11-10 | 2021-01-12 | 湖南工学院 | Steel-concrete composite beam slab for small bridge and culvert and production method thereof |
| CN112211083B (en) * | 2020-11-10 | 2022-04-08 | 湖南工学院 | Steel-concrete composite beam slab for small bridge and culvert and production method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106906749B (en) | 2018-10-23 |
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