CN207419848U - A kind of corrugated sheet steel-concrete combined box beam - Google Patents
A kind of corrugated sheet steel-concrete combined box beam Download PDFInfo
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- CN207419848U CN207419848U CN201721279881.0U CN201721279881U CN207419848U CN 207419848 U CN207419848 U CN 207419848U CN 201721279881 U CN201721279881 U CN 201721279881U CN 207419848 U CN207419848 U CN 207419848U
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Abstract
The utility model discloses a kind of corrugated sheet steel concrete combined box beam, including concrete roof, Wavelike steel webplate, waveform steel longitudinal base plate, waveform steel transverse bottom plate and waveform steel connecting plate；Concrete roof is located at the compressive region of combined box beam, Wavelike steel webplate there are two being fixedly connected on the downside of concrete roof, waveform steel longitudinal base plate is arranged in the tensile region of combined box beam, the both ends of waveform steel longitudinal base plate are connected by waveform steel connecting plate with Wavelike steel webplate respectively, for bearing the transverse bending moment of bottom plate, waveform steel transverse bottom plate is arranged in the top of waveform steel longitudinal base plate and is fixed together with waveform steel longitudinal base plate, forms the waveform steel sole plate of combined box beam.Waveform steel longitudinal base plate, waveform steel transverse bottom plate are engaged, both overcome corrugated sheet steel can only one-way bending the characteristics of, compared to same thickness flat steel sole plate again have larger the moment of inertia, have better anti-bending strength.
Description
Technical field
The utility model is related to a kind of corrugated sheet steel-concrete combined box beams, belong to steel-mixed combining structure field.
Background technology
Wavelike steel webplate beam is to be to replace concrete web and using the Novel steel-mixed of external prestressing with corrugated sheet steel
Solidifying soil combining structure, has the characteristics that shear strength height, non resistance longitudinal direction axial force, concrete abdomen is replaced with Wavelike steel webplate
Plate can reduce the dead weight of box beam, the shortcomings that avoiding concrete web easy to crack, and prestress application is efficient, thus obtain
It is widely applied.
For Wavelike steel webplate beam when across footpath is larger, the deck-molding of middle Dun Chu is higher, Wavelike steel webplate there are buckling stable problem,
Simultaneously as across footpath increases, pier top hogging moment and shearing are larger, and concrete anticracking and Wavelike steel webplate shear Design are difficult, existing
Solution be in mid-span span centre section, replace concrete floor with steel sole plate, on the one hand mitigate dead load, on the one hand avoid
The shortcomings that span centre concrete floor is easy to crack.
However doing bottom plate with plain plate, the vertical and horizontal bending stiffness of plain plate is relatively low under same thickness, vertical to meet
To the requirement with horizontal bending resistance, Thickness is bigger than normal, and the consumption of steel is bigger than normal, weakens the competitiveness of the structure.
The content of the invention
Technical problem：The purpose of this utility model is to provide a kind of corrugated sheet steel-concrete combined box beam, and the box beam is same
Under the steel plate thickness of sample, larger bottom plate anti-bending strength can be promoted, so as to saving steel.
Technical solution：The utility model provides a kind of corrugated sheet steel-concrete combined box beam, which includes concrete
Top plate, Wavelike steel webplate, waveform steel longitudinal base plate, waveform steel transverse bottom plate and waveform steel connecting plate；The concrete roof position
In the compressive region of combined box beam, the upper end of two Wavelike steel webplates is perpendicularly fixed at the downside of concrete roof, and two waveforms
Steel web is mutually parallel, and waveform steel longitudinal base plate is arranged in the tensile region of combined box beam, and the both ends of waveform steel longitudinal base plate pass through
Waveform steel connecting plate is connected respectively with the lower end of Wavelike steel webplate, and waveform steel transverse bottom plate is arranged in waveform steel longitudinal base plate
Top is simultaneously fixed together with waveform steel longitudinal base plate, forms the waveform steel sole plate of combined box beam, and waveform steel transverse bottom plate with
The waveform of waveform steel longitudinal base plate is mutually perpendicular to.
Wherein：
The fixed form that the upper end of two Wavelike steel webplates is perpendicularly fixed at the downside of concrete roof is peg
One or more combination types of attachment in connection, open pore steel plate connection, embedded connection, shaped steel connection.
The both ends of the waveform steel longitudinal base plate are connected by waveform steel connecting plate with the lower end of Wavelike steel webplate respectively
It connects, the connection mode between waveform steel connecting plate and Wavelike steel webplate and between waveform steel connecting plate and waveform steel longitudinal base plate
To weld or being bolted.
The both ends of the waveform steel longitudinal base plate are connected by waveform steel connecting plate with the lower end of Wavelike steel webplate respectively
It connects, waveform steel longitudinal base plate, waveform steel connecting plate and Wavelike steel webplate three are as an overall time compression molding.
Wavelike steel webplate, waveform steel connecting plate and the corrugated sheet steel of waveform steel longitudinal base plate selection model of the same race.
The waveform steel transverse bottom plate is identical with waveform steel longitudinal base plate selection or the corrugated sheet steel of different model.
The waveform steel transverse bottom plate is arranged in the top of waveform steel longitudinal base plate and is fixed with waveform steel longitudinal base plate
Together, refer to by bolt or be weldingly fixed at the position that waveform steel transverse bottom plate is in contact with waveform steel longitudinal base plate
Together.
The i.e. corrugated sheet steel longitudinal base plate in position that the waveform steel transverse bottom plate is in contact with waveform steel longitudinal base plate
The trough section contact position of wave crest section and corrugated sheet steel transverse bottom plate.
The waveform steel transverse bottom plate coordinates to bear vertical bending moment with concrete roof.
Advantageous effect：Compared with prior art, the utility model has the advantage that：
1) the utility model makes full use of the compressive property of concrete and the tensile property of steel, compared to traditional waveform steel
Web box girder, reduces the dead weight of concrete, and avoids the shortcomings that traditional box girder with corrugated steel webs bottom plate is easy to crack；
2) the characteristics of making full use of the unidirectional bending stiffness of corrugated sheet steel high, longitudinal corrugated sheet steel and horizontal waveform steel plate combination
As box beam bottom plate, compared to the flat steel sole plate of same thickness, the significant increase bending stiffness of vertical and horizontal is used meeting
In the case of condition, the dosage of steel can be reduced, reduces cost.
Description of the drawings
Fig. 1 is the corrugated sheet steel-concrete combined box beam structure diagram of the utility model；
Fig. 2 is the corrugated sheet steel-concrete combined box beam Structure explosion diagram of the utility model；
Fig. 3 is the Wavelike steel webplate of the utility model and waveform steel connecting plate connecting structure schematic diagram；
Fig. 4 is the waveform steel connecting plate of the utility model and waveform steel longitudinal base plate connecting structure schematic diagram；
Fig. 5 is that the waveform steel transverse bottom plate, waveform steel longitudinal base plate, waveform steel connecting plate connecting structure of the utility model are shown
It is intended to；
Fig. 6 embedded anti-shearing connection member construction signals between the Wavelike steel webplate and concrete roof of the utility model
Figure；
Have in figure：Concrete roof 1, Wavelike steel webplate 2, waveform steel connecting plate 3, waveform steel longitudinal base plate 4, waveform steel are horizontal
To bottom plate 5, bolt 6, through reinforced hole 7, through reinforcing bar 8.
Specific embodiment
It is described further with reference to the accompanying drawings and examples.
A kind of corrugated sheet steel-concrete combined box beam (as depicted in figs. 1 and 2), the box-beam structure include concrete roof
1st, Wavelike steel webplate 2, waveform steel longitudinal base plate 4, waveform steel transverse bottom plate 5 and waveform steel connecting plate 3；The concrete roof 1
Positioned at the compressive region of combined box beam, the downside of concrete roof 1 is vertically fixedly connected with that there are two ripples by embedded anti-shearing connection member
Shape steel web 2, and two 2 parallel arrangements of Wavelike steel webplate, waveform steel transverse bottom plate 5 are arranged in the upper of waveform steel longitudinal base plate 4
Fang Bingyu waveform steel longitudinal base plate 4 is bolted on together, and waveform steel transverse bottom plate 5 and waveform steel longitudinal base plate 4
Waveform is mutually perpendicular to, and forms the waveform steel sole plate of combined box beam, is arranged in the tensile region in section；Waveform steel connecting plate 3 is by ripple
Shape steel plate is bent into arc-shaped, as waveform steel longitudinal base plate 4 and the changeover portion of Wavelike steel webplate 2, by waveform steel longitudinal base plate 4
It links together with Wavelike steel webplate 2, is consequently formed a complete box beam section.
Waveform steel longitudinal base plate 4 is mainly used for bearing the transverse bending moment of bottom plate, waveform steel transverse bottom plate 5 and concrete roof
1 cooperation, for bearing the moment of flexure of section longitudinal direction, can meet the stress of box-beam structure by selecting the corrugated sheet steel of different model
It is required that.
Wavelike steel webplate 2 is close to waveform steel connecting plate 3 longitudinally, and passes through bolt 6 in their wave crest and trough section
The two is connected as a single entity (as shown in Figure 3).
Waveform steel connecting plate 3 is close to waveform steel longitudinal base plate 4 longitudinally, and will by bolt 6 in their trough section
The two is connected as a single entity (as shown in Figure 4).
Waveform steel transverse bottom plate 5 is arranged in the top of waveform steel longitudinal base plate 4, and the waveform of the two is mutually perpendicular to, waveform
The trough section of steel transverse bottom plate 5 is close to the wave crest section of waveform steel longitudinal base plate 4, and the two is connected using bolt 6；In waveform steel
The end regions of transverse bottom plate 5, the trough section of waveform steel transverse bottom plate 5, the wave crest section of waveform steel longitudinal base plate 4 and waveform steel connect
The wave crest section of fishplate bar 3 is close to, and is bolted between three (as shown in Figure 5).
2 top of Wavelike steel webplate is reserved through reinforced hole 7, is penetrated and is extended transversely through reinforcing bar 8, be placed on casting concrete top
In board mold, casting concrete top plate 1 forms effective connection between Wavelike steel webplate 2 and concrete roof 1 (such as Fig. 6 institutes
Show).
The work progress of the present embodiment is as follows：
1) making of each corrugated sheet steel is carried out in factory first, press-bending processing, each waveform steel is carried out to waveform steel connecting plate 3
Plate need to reserve the bolt hole of bolt 6 in factory process, and bolt hole need to be slightly larger than screw diameter, convenient for alignment error in construction,
2 top of Wavelike steel webplate is reserved with through reinforced hole 7；
2) during site operation, after waveform steel longitudinal base plate 4, waveform steel connecting plate 3 and Wavelike steel webplate 2 are lifted in place,
It is connected and fixed with bolt 6, waveform steel transverse bottom plate 5 is lifted into 4 top of waveform steel longitudinal base plate, alignment hole position is connected with bolt 6
Fixation is connect, then sets up template, top plate is extended transversely through reinforcing bar 8 penetrates through reinforced hole 7, then carries out pouring for concrete roof 1
It builds.Construction error can be adjusted by bolt.
The above is only the preferred embodiment of the utility model, it should be pointed out that：For the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (7)
1. a kind of corrugated sheet steel-concrete combined box beam, it is characterised in that：The box beam includes concrete roof (1), waveform steel abdomen
Plate (2), waveform steel longitudinal base plate (4), waveform steel transverse bottom plate (5) and waveform steel connecting plate (3)；The concrete roof (1)
Positioned at the compressive region of combined box beam, the upper end of two Wavelike steel webplates (2) is perpendicularly fixed at the downside of concrete roof (1), and
Two Wavelike steel webplates (2) are mutually parallel, and waveform steel longitudinal base plate (4) is arranged in the tensile region of combined box beam, waveform steel longitudinal direction
The both ends of bottom plate (4) are connected by lower end of the waveform steel connecting plate (3) respectively with Wavelike steel webplate (2), waveform steel transverse direction bottom
Plate (5) is arranged in the top of waveform steel longitudinal base plate (4) and is fixed together with waveform steel longitudinal base plate (4), forms combination box
The waveform steel sole plate of beam, and waveform steel transverse bottom plate (5) and the waveform of waveform steel longitudinal base plate (4) are mutually perpendicular to.
2. a kind of corrugated sheet steel-concrete combined box beam as described in claim 1, it is characterised in that：Two waveforms
The upper end of steel web (2) is perpendicularly fixed at the fixed form of the downside of concrete roof (1) and connects for peg connection, open pore steel plate
Connect, embedded connection, one or more combination types of attachment in shaped steel connection.
3. a kind of corrugated sheet steel-concrete combined box beam as described in claim 1, it is characterised in that：The waveform steel is indulged
It is connected to the both ends of bottom plate (4) by lower end of the waveform steel connecting plate (3) respectively with Wavelike steel webplate (2), the connection of waveform steel
Connection mode between plate (3) and Wavelike steel webplate (2) and between waveform steel connecting plate (3) and waveform steel longitudinal base plate (4)
To weld or being bolted.
4. a kind of corrugated sheet steel-concrete combined box beam as described in claim 1, it is characterised in that：The waveform steel is indulged
It is connected to the both ends of bottom plate (4) by lower end of the waveform steel connecting plate (3) respectively with Wavelike steel webplate (2), waveform steel longitudinal direction
Bottom plate (4), waveform steel connecting plate (3) and Wavelike steel webplate (2) three are as an overall time compression molding.
5. a kind of corrugated sheet steel-concrete combined box beam as described in claim 1, it is characterised in that：The waveform steel abdomen
Plate (2), waveform steel connecting plate (3) select the corrugated sheet steel of model of the same race with waveform steel longitudinal base plate (4).
6. a kind of corrugated sheet steel-concrete combined box beam as described in claim 1, it is characterised in that：The waveform steel is horizontal
To bottom plate (5) corrugated sheet steel identical or different model with waveform steel longitudinal base plate (4) selection.
7. a kind of corrugated sheet steel-concrete combined box beam as described in claim 1, it is characterised in that：The waveform steel is horizontal
The top of waveform steel longitudinal base plate (4) is arranged in bottom plate (5) and is fixed together with waveform steel longitudinal base plate (4), is referred to
The position that waveform steel transverse bottom plate (5) is in contact with waveform steel longitudinal base plate (4) is by bolt or is welded and fixed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721279881.0U CN207419848U (en) | 2017-09-30 | 2017-09-30 | A kind of corrugated sheet steel-concrete combined box beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721279881.0U CN207419848U (en) | 2017-09-30 | 2017-09-30 | A kind of corrugated sheet steel-concrete combined box beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207419848U true CN207419848U (en) | 2018-05-29 |
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ID=62314514
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| CN201721279881.0U Active CN207419848U (en) | 2017-09-30 | 2017-09-30 | A kind of corrugated sheet steel-concrete combined box beam |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687227A (en) * | 2017-09-30 | 2018-02-13 | 东南大学 | A kind of corrugated sheet steel concrete combination beam |
| CN109112945A (en) * | 2018-10-17 | 2019-01-01 | 苏州昆仑绿建木结构科技股份有限公司 | One kind being based on bolted bamboo and wood and steel combined box beam |
-
2017
- 2017-09-30 CN CN201721279881.0U patent/CN207419848U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687227A (en) * | 2017-09-30 | 2018-02-13 | 东南大学 | A kind of corrugated sheet steel concrete combination beam |
| CN109112945A (en) * | 2018-10-17 | 2019-01-01 | 苏州昆仑绿建木结构科技股份有限公司 | One kind being based on bolted bamboo and wood and steel combined box beam |
| CN109112945B (en) * | 2018-10-17 | 2024-02-13 | 苏州昆仑绿建木结构科技股份有限公司 | Bamboo wood and steel combined box girder based on bolted connection |
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