CN207904735U - A kind of split type steel box girder - Google Patents
A kind of split type steel box girder Download PDFInfo
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- CN207904735U CN207904735U CN201820173953.1U CN201820173953U CN207904735U CN 207904735 U CN207904735 U CN 207904735U CN 201820173953 U CN201820173953 U CN 201820173953U CN 207904735 U CN207904735 U CN 207904735U
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- steel box
- girder
- top plate
- split type
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 91
- 239000010959 steel Substances 0.000 title claims abstract description 91
- 238000005192 partition Methods 0.000 claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 5
- 108010080379 Fibrin Tissue Adhesive Proteins 0.000 claims 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 229910000679 solder Inorganic materials 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency 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
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a kind of split type steel box girders, including multi-disc steel box-girder, every steel box-girder includes top plate, partition board, web and bottom plate, and web includes middle pectoral plate and two end webs, and hoisting structure is removably connected between the upper end of middle pectoral plate and the top plate.The steel box-girder of the utility model by steel box-girder by carrying out split-type design, its weight and height is set to meet the requirement of transport, it is reinforced by the way that web and intermediate support plate is arranged simultaneously, ensure transport, it is indeformable in hoisting process, integral solder is carried out to each steel box-girder again after transporting to building site, be conducive to the needs for meeting transport, pass through top plate, partition board, the setting of web and bottom plate, be conducive to dispersive stress, strengthen support vertical rigidity, increase the service life of steel box-girder, the dismounting of hoisting structure can be carried out by hoisting structure, realize the simplicity of steel box-girder lifting, safety, it can be used in turn, improve installation effectiveness.
Description
Technical field
The utility model is related to technical field of buildings more particularly to a kind of split type steel box girders.
Background technology
With the fast development of China's economic and transportation business, many urban municipal construction of China are to existing city bridge
Beam is transformed, to meet growth requirement.The displacement technique of the existing bridge in city is the new technology developed in recent years, has construction
The features such as period is short, economic and practical, building energy consumption is low, urban ecological environment quality is ensured, for this purpose, obtaining more and more extensive
Application.With the expansion of highway in China construction scale, crossings on different level construction, is applied across busy highway during construction of the highway
Work situation is more and more, and various large spans, the bridge structure of large-tonnage are also come into being.Currently, compared with the simply supported girder bridge of large span
T section beam or box-girder are mostly used, the former is referred to as T beams, and the latter is referred to as box beam.Box beam include concrete box girder,
Steel box-girder and compound section steel box girder.Because the T beam bridge lateral stiffness of T beams composition is smaller, anti-twisting property is poor, and stability when installation
It is poor, it is used when being not suitable for compared with large span.Simply supported girder bridge compared with large span generally uses box beam.When span is larger, concrete
The weight of box beam is very big, and difficulty is brought to pouring or setting up.Compound section steel box girder is by the steel case of lower part and on top flange plate
Concrete slab be composed, by shear connector be connected.It is utilized that concrete anti-compression ability is strong and steel tensile capacity is high
The characteristics of, take full advantage of material property.The anti-twisting property of steel box-girder is strong, and erection construction is easy, and is suitably applied highway and city
City's bridge.With the fast development of China's steel and iron industry and long strands, the quantity of steel structure bridge is also being continuously increased, steel
The characteristics of box-beam structure span is big, service life is long, box section torsional rigidity is big, depth of section is small, good integrity makes steel
Box-beam structure is widely used in municipal administration and Design of Highway Bridge and building course, has become large-span girder form
First choice.In science of bridge building field, for the requirement for meeting using function and bearing capacity, the application of large-scale steel box-girder is more and more wider
It is general, and large-scale steel box-girder is due to bulky, big cross-sectional width is wider, height is higher, and piece weight surpasses hundred tons, for entirety
The transport lifting of steel box-girder is a big problem, and existing steel box-girder is divided into multistage, will be according to lifting during fabrication and installation
Lateral, longitudinal piecemeal is carried out to each segment with transport capacity, multiple lifting lugs can be set on each block, will be hung after the completion of lifting
Ear is removed.If the pattern of lifting lug, installation position, intensity etc. are unreasonable, it will huge hidden danger is brought to entire work progress,
Safety accident even can be brought to the later stage.
Utility model content
Based on the above the deficiencies in the prior art, the technical issues of the utility model is solved, is to provide a kind of split type steel
Box-beam structure, simple structure and reasonable design, hoisting structure do not influence steel box-girder, can effectively improve the peace of Large-span Steel Box Beam
Efficiency is filled, construction and installation are easy, using effect is good.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions：The utility model provides
A kind of split type steel box girder, including multi-disc steel box-girder, every steel box-girder include top plate, partition board, web and bottom plate, it is described every
Plate and the top plate and bottom plate are vertical, and the web is arranged with the divider upright；The partition board includes intermediate internal partition, institute
It includes middle pectoral plate and two end webs to state web；The upper end of the middle pectoral plate is described perpendicular to the lower surface of the top plate
It is removably connected with hoisting structure between the upper end of middle pectoral plate and the top plate；WELDING STUDS is installed on the top plate, and
The surface areas upper You Tong of top plate and steel fibre concrete area are equipped with anti-collision wall and flower trough in the concrete area and steel fibre concrete area；
The end of the every steel box-girder is equipped with joints, and each section of steel box-girder is linked to be entirety by the welding of joints.
Embodiment as a preferred embodiment of the above technical solution, the split type steel box girder that the utility model embodiment provides
Further comprise some or all of following technical characteristic：
As an improvement of the above technical solution, in one embodiment of the utility model, the hoisting structure includes setting
In on the top plate base board, connect respectively with the top plate and middle pectoral plate by bolt connecting plate, be fixedly connected on
The support plate of main platform sling, the reinforcing plate and the support reinforcing plate that are fixed on the main platform sling both sides on the base board,
Lifting hole(eyelet) is offered in the main platform sling and reinforcing plate.
As an improvement of the above technical solution, in one embodiment mode of the utility model, the connecting plate is in L
Two surfaces of shape, right angle are fitted in respectively on the surface of the middle pectoral plate and top plate；
The support plate is triangular in shape, and right angle both ends are fixed with the reinforcing plate and base board respectively.
In one embodiment of the utility model, there are four hoisting structure, the lifting knots for setting on every steel box-girder
Structure is close to four angles of top plate, and the distance apart from the corner of top plate is 2000mm.
As an improvement of the above technical solution, intermediate support plate, the intermediate support plate are additionally provided with inside every steel box-girder
It is obliquely installed and its both ends is connect with the middle pectoral plate and top plate respectively.
As an improvement of the above technical solution, in one embodiment of the utility model, the partition board is equipped with hole.
Further, two end web is obliquely installed with the top plate and bottom plate.
Compared with prior art, the technical solution of the utility model has the advantages that：The steel case of the utility model
The structure type of beam carries out bearing to top plate and puts more energy into, and top plate is forward bearing plate, improves the stress performance of structure, reduces structure
The complexity of construction has higher promotional value in aspects such as applicability, economy, processing quality, construction periods.It is logical
It crosses and steel box-girder is subjected to split-type design, so that its weight and height is met the requirement of transport, while by the way that web and centre is arranged
Support plate reinforces it, indeformable in guarantee transport, hoisting process, is carried out again to each steel box-girder after transporting to building site whole
Body welds, this ensure that steel box-girder meets associated specifications in making, is conducive to the needs for meeting transport.Pass through
The setting of the top plate, partition board, web and bottom plate of the utility model, is conducive to dispersive stress, strengthens support vertical rigidity, reduces
The deformation generated by stress, increases the service life of steel box-girder, the dismounting of hoisting structure can be carried out by hoisting structure,
Simplicity, the safety for realizing steel box-girder lifting, can be used in turn, and need not separately increase ancillary measure, can effectively improve
The installation effectiveness of Large-span Steel Box Beam, and construction cost and risk can be reduced.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and being implemented in accordance with the contents of the specification, and in order to allow the above and other purpose, feature of the utility model
It can be clearer and more comprehensible with advantage, below in conjunction with preferred embodiment, and coordinate attached drawing, detailed description are as follows.
Description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, the attached drawing of embodiment will be made below simple
Ground introduction.
Fig. 1 is the structural schematic diagram of the split type steel box girder of the preferred embodiment in the utility model；
Fig. 2 is the structural schematic diagram of the hoisting structure of the split type steel box girder of the preferred embodiment in the utility model.
Specific implementation mode
The specific implementation mode that according to the present invention will be described in detail below with reference to the accompanying drawings, as part of this specification,
Illustrate that the principles of the present invention, other aspect, feature and its advantages of the utility model are detailed by this by embodiment
Illustrate to become apparent.In the attached drawing of institute's reference, same or analogous component uses identical attached in different figures
Figure grade indicates.
Embodiment
The embodiments of the present invention, which are located at Guang Shen highways-, to be started main road grade separation and is located at Luogang District and Huangpu District intersection,
Guang Shen highways are Class I highway, are in east-west, and it is city thoroughfare to start main road, are in south-north direction.Main road main line is started to adopt
Guang Shen highways are crossed over overpass, the North connects with existing main road of starting, and the south connects with rich South Road.Wherein C ring roads are across extensively
Deep highway, using 49.293+55.5+44m steel box-girders (girder), the long 148.793m of bridge, the wide 10.2-12.1m of bridge (broadening), babinet
High 1.38-2.0m (getting higher), is divided into 12, the long 25.6m of maximum steel box-girder, width 5.04m, high 2m, weight 57.1t, C1-C4 crossbeams
In maximum steel using amount be 31.2t, the total steel amount 673.9t of C ring roads.The ring road variation in moulding is big, and plane curve is transitional surface arc
Line, facade curve are gradual change inclined-plane curve, and lifting installation difficulty is big.
As shown in Figure 1, the structural schematic diagram of the split type steel box girder of the preferred embodiment in the utility model, this practicality is new
The split type steel box girder of type includes multi-disc steel box-girder, and the end of the every steel box-girder is equipped with joints, passes through splicing
Each section of steel box-girder is linked to be entirety by the welding of connector.
The every steel box-girder of the utility model includes top plate 10, partition board 20, web 30 and bottom plate 40, the partition board 20 and institute
It is vertical to state top plate 10 and bottom plate 40, the web 30 is vertically arranged with the partition board 20；The partition board 20 include in intermediate every
Plate, the web 30 include middle pectoral plate 31 and two end webs 32；The partition board 20 is equipped with hole, is not influencing entire steel case
Mitigate its weight in the case of girder construction intensity.Two end web 32 is obliquely installed with the top plate 10 and bottom 40.Every
Be additionally provided with intermediate support plate inside steel box-girder, the intermediate support plate be obliquely installed and its both ends respectively with the middle pectoral plate 31
It is connected with top plate 10, the setting of intermediate support plate is conducive to dispersive stress, strengthens support vertical rigidity, reduce steel box-girder
The deformation generated by stress.The structure type of the steel box-girder of the utility model carries out bearing to top plate and puts more energy into, and top plate is forward
Bearing plate improves the stress performance of structure, reduces the complexity of structure construction, in applicability, economy, processing matter
The aspects such as amount, construction period have higher promotional value.By the way that steel box-girder is carried out split-type design, make its weight and height
Meet the requirement of transport, while it is reinforced by the way that web and intermediate support plate is arranged, ensures in transport, hoisting process not
Deformation carries out integral solder, this ensure that steel box-girder meets related skill in making to each steel box-girder again after transporting to building site
In the case of art requires, be conducive to the needs for meeting transport.
Wherein, the upper end of the middle pectoral plate 31 is perpendicular to the lower surface of the top plate 10, the middle pectoral plate 31
Hoisting structure 50 is removably connected between upper end and the top plate 10, as shown in Fig. 2, the hoisting structure 50 includes being placed in
It is base board 51 on the top plate 10, the connecting plate 52 being connect with the top plate 10 and middle pectoral plate 31 respectively by bolt, solid
Surely the main platform sling 53 that is connected on the base board 51, the reinforcing plate 54 for being fixed on 53 both sides of main platform sling and support institute
The support plate 55 of reinforcing plate 54 is stated, lifting hole(eyelet) is offered in the main platform sling 53 and reinforcing plate 54.The connecting plate 52 is L-shaped,
Two surfaces at right angle are fitted in respectively on the surface of the middle pectoral plate 31 and top plate 10；The support plate 55 is triangular in shape,
Right angle both ends are fixed with the reinforcing plate 54 and base board 51 respectively.It can enhance lifting knot by reinforcing plate 54 and support plate 55
The overall structure performance of structure 50, and hoisting structure 50 is detachably connected with steel box-girder, to steel when can avoid dismantling after lifting
The destruction of box beam extends its service life.There are four hoisting structure 50, the hoisting structure 50 is close for setting on every steel box-girder
Four angles of top plate 10, and the distance apart from the corner of top plate 10 is 2000mm.It can also be arranged according to the weight of steel box-girder more
A hoisting structure 50, the needs of hoisting structure 50 are uniformly distributed on steel box-girder, to keep balance when lifting.
In addition, install WELDING STUDS on the top plate 10, and in the surface areas upper You Tong of top plate 10 and steel fibre concrete area,
Anti-collision wall and flower trough are installed in the concrete area and steel fibre concrete area, are conducive to the absorption to stress, reduce because external force and
The fracture of generation or crack increase the service life of steel box-girder top plate.
The split type steel box girder reasonable design that above-described embodiment discloses, passes through the top plate 10, partition board of the utility model
20, the setting of web 30 and bottom plate 40, is conducive to dispersive stress, strengthens support vertical rigidity, reduces and generated because of stress
Deformation, increase the service life of steel box-girder, the dismounting of hoisting structure can be carried out by hoisting structure 50, realizes steel box-girder
Simplicity, the safety of lifting, can be used in turn, and need not separately increase ancillary measure, can effectively improve Large-span Steel Box Beam
Installation effectiveness, and construction cost and risk can be reduced.
The above is preferred embodiments of the present invention, certainly cannot with this come limit the utility model it
Interest field, it is noted that for those skilled in the art, before not departing from the utility model principle
It puts, several improvement and variation can also be made, these are improved and variation is also considered as the scope of protection of the utility model.
Claims (7)
1. a kind of split type steel box girder, including multi-disc steel box-girder, it is characterised in that：Every steel box-girder include top plate, partition board,
Web and bottom plate, the partition board and the top plate and bottom plate are vertical, and the web is arranged with the divider upright；The partition board
Including intermediate internal partition, the web includes middle pectoral plate and two end webs；
The upper end of the middle pectoral plate is perpendicular to the lower surface of the top plate, the upper end of the middle pectoral plate and the top plate
Between be removably connected with hoisting structure；
WELDING STUDS is installed, and in the surface areas upper You Tong of top plate and steel fibre concrete area on the top plate, the concrete area and steel
Fibrin tissue adhesive is equipped with anti-collision wall and flower trough in area；
The end of the every steel box-girder is equipped with joints, and each section of steel box-girder is linked to be entirety by the welding of joints.
2. split type steel box girder as described in claim 1, it is characterised in that：The hoisting structure includes being placed in the top
Base board on plate, is fixedly connected on the pedestal at the connecting plate being connect respectively with the top plate and middle pectoral plate by bolt
The support plate of main platform sling, the reinforcing plate and the support reinforcing plate that are fixed on the main platform sling both sides on plate, the master hang
Lifting hole(eyelet) is offered in plate and reinforcing plate.
3. split type steel box girder as claimed in claim 2, it is characterised in that：The connecting plate is L-shaped, and the two of right angle
Surface is fitted in respectively on the surface of the middle pectoral plate and top plate；
The support plate is triangular in shape, and right angle both ends are fixed with the reinforcing plate and base board respectively.
4. split type steel box girder as claimed in claim 2, it is characterised in that：There are four liftings for setting on every steel box-girder
Structure, the hoisting structure is close to four angles of top plate, and the distance apart from the corner of top plate is 2000mm.
5. split type steel box girder as described in claim 1, it is characterised in that：Intermediate branch is additionally provided with inside every steel box-girder
Fagging, the intermediate support plate is obliquely installed and its both ends is connect with the middle pectoral plate and top plate respectively.
6. split type steel box girder as described in claim 1, it is characterised in that：The partition board is equipped with hole.
7. split type steel box girder as described in claim 1, it is characterised in that：Two end web and the top plate and bottom
Plate is obliquely installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820173953.1U CN207904735U (en) | 2018-02-01 | 2018-02-01 | A kind of split type steel box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820173953.1U CN207904735U (en) | 2018-02-01 | 2018-02-01 | A kind of split type steel box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207904735U true CN207904735U (en) | 2018-09-25 |
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ID=63562816
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820173953.1U Expired - Fee Related CN207904735U (en) | 2018-02-01 | 2018-02-01 | A kind of split type steel box girder |
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| Country | Link |
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| CN (1) | CN207904735U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042770A (en) * | 2019-04-26 | 2019-07-23 | 南京工大桥隧与轨道交通研究院有限公司 | A method of using the original bridge of external prestressing steel Shu Tuokuan in length and breadth |
| CN110117931A (en) * | 2019-06-18 | 2019-08-13 | 中南大学 | Prefabricated PC combined box beam |
| CN113026524A (en) * | 2021-04-07 | 2021-06-25 | 中国铁路设计集团有限公司 | Novel horizontal longitudinal connecting system for three-split steel box girder |
-
2018
- 2018-02-01 CN CN201820173953.1U patent/CN207904735U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042770A (en) * | 2019-04-26 | 2019-07-23 | 南京工大桥隧与轨道交通研究院有限公司 | A method of using the original bridge of external prestressing steel Shu Tuokuan in length and breadth |
| CN110117931A (en) * | 2019-06-18 | 2019-08-13 | 中南大学 | Prefabricated PC combined box beam |
| CN113026524A (en) * | 2021-04-07 | 2021-06-25 | 中国铁路设计集团有限公司 | Novel horizontal longitudinal connecting system for three-split steel box girder |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180925 |