CN206408836U - Weld stirrup steel rib beam column - Google Patents
Weld stirrup steel rib beam column Download PDFInfo
- Publication number
- CN206408836U CN206408836U CN201621346607.6U CN201621346607U CN206408836U CN 206408836 U CN206408836 U CN 206408836U CN 201621346607 U CN201621346607 U CN 201621346607U CN 206408836 U CN206408836 U CN 206408836U
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- stirrup
- reinforcing bar
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Abstract
The utility model is related to civil engineering structure field, is specifically a kind of welding stirrup steel rib beam column；It is that stirrup is welded on reinforcing bar to weld stirrup SRC member, and then a kind of combining structure component formed by casting concrete, reduces the shear connector and longitudinal reinforcement of traditional SRC member.Reinforcing bar external wrapping concrete increase the rigidity of structure and and shear-carrying capacity, anti-seismic performance can be significantly improved.Steel skeleton has certain bearing capacity in itself, can carry construction stage load with it, template is suspended on firm skeleton, formwork is saved, is conducive to continuous productive process.Weld the stirrup in stirrup SRC member, on the one hand the cracking resistance of concrete can be improved, on the other hand shearing-resistant member is served as, ensure reinforcing bar and concrete cooperation, simplify construction technology, bar frame process of binding is avoided, Production Time is shortened, is conducive to element factory metaplasia to produce.
Description
Technical field
The utility model is related to civil engineering structure field, particularly relates to a kind of welding stirrup-steel reinforced concrete
Component.
Background technology
Common reinforcing bar-concrete column is welded in the peg on reinforcing bar surface, longitudinal reinforcement and stirrup by reinforcing bar, concrete
Deng composition.Longitudinal reinforcement and stirrup form the weld stud of framework of steel reinforcement, reinforcing bar and reinforcing bar surface by colligation, in factory's manufacture
And welding；The framework of steel reinforcement of longitudinal reinforcement and stirrup composition, is processed at the scene；Then installation form, casting concrete.In reinforcing bar
At concrete beam and column node, pass through for convenience of vertical muscle and stirrup, need to be drilled on the edge of a wing of reinforcing bar and web.In work progress,
Both included the construction and installation of steel construction, but comprising concrete structure reinforcing bars engineering, template and scaffolding work, concreting and
Maintenance, while two kinds of operating types influence each other, the process of construction is extremely complex.There is the reinforcing bar of vertical muscle and stirrup formation outside reinforcing bar
Skeleton, it is considered to the protective layer of reinforcing bar, and aggregate size during concreting, it is desirable to which the outer concrete layer of reinforcing bar is not less than 150mm,
Cause section larger.
Publication No. 204456656U utility model patent provides a kind of welding stirrup and coordinates rod iron steel reinforced concrete
Post, including some rod irons, some welding stirrups and concrete, rod iron are longitudinally arranged to form vertical muscle, and reinforcing bar, which is bent to form, to be enclosed
Frame, reinforcing bar branch surrounds vertical muscle arrangement, uses and is welded to connect between peripheral frame and reinforcing bar branch.The utility model can save steel
The respective characteristic of steel and concrete is played simultaneously, reduces pillar section；Have the disadvantage that vertical muscle and peripheral frame and the colligation of reinforcing bar branch are complicated,
Each other away from smaller, welding difficulty, it is difficult to realize factorial praluction.
Publication No. 102635202A utility model patent describes a specific admixture FRP pipe steel reinforced concrete coupled columns,
Including reinforcing bar, mix FRP pipes and be filled in reinforcing bar and the outer concrete mixed between FRP pipes, compared to traditional steel reinforced concrete group
Zygostyle can improve bearing capacity, deformability and anti-seismic performance.But do not cancel vertical reinforcement and stirrup, still suffer from bar-mat reinforcement colligation
At complexity, node the problem of constructional difficulties.
Utility model content
The purpose of this utility model is that there is provided one kind welding stirrup-reinforcing bar is mixed in order to overcome the existing deficiency of above-mentioned technology
Solidifying soil component.The utility model simplifies the construction technology of traditional SRC member, improves the prefabricated degree of component, has
Beneficial to the duration is shortened, component large-scale production is realized.
The technical solution adopted in the utility model is as follows：
Stirrup-SRC member, including reinforcing bar and stirrup are welded, the reinforcing bar outside weld is connected to stirrup, described hoop
Concrete has been poured inside and outside the space of muscle and reinforcing bar formation.
Further, described reinforcing bar is I-shaped, be welded with the left of I-shaped reinforcing bar one connect at the top of it and
The c-type stirrup of its upright part and a c-type stirrup for connecting its bottom and its upright part；Welded on the right side of I-shaped reinforcing bar
It is connected to one and connects its top and the c-type stirrup and a c-type stirrup for connecting its bottom and its upright part of its upright part.
One or so and structure symmetrical above and below are formed between described I-shaped reinforcing bar and stirrup.
Further, described reinforcing bar is the rectangular configuration of closing, and a c-type stirrup, institute are welded in the bottom of rectangular configuration
The c-type stirrup stated connects the left side and right side of rectangular configuration；Two symmetrical c-type stirrups are welded at the top of rectangular configuration,
One c-type stirrup connects the top and left side of rectangular configuration；Another c-type stirrup connects the top and right side of rectangular configuration.
A bilateral symmetry is formed between described I-shaped reinforcing bar and stirrup.
Further, described reinforcing bar is I-shaped, be welded with the left of I-shaped reinforcing bar one connect at the top of it and
The c-type stirrup of its bottom；A c-type stirrup for connecting at the top of it and its bottom is welded with the right side of I-shaped reinforcing bar.
One or so and structure symmetrical above and below are formed between described I-shaped reinforcing bar and stirrup.
Further, described reinforcing bar is the structure that two I-shaped structure right-angled intersections are formed, at four of the structure
A L-type stirrup is respectively provided with angle, four L-type stirrups each connect its corresponding two adjacent steel-reinforced bracket parts.
One or so and structure symmetrical above and below are formed between described I-shaped reinforcing bar and stirrup.
Further, described reinforcing bar is the structure that an I-shaped structure and a font T font structure are intersected to form,
After described T font structures are rotated by 90 ° to the left, the montant part of its montant part and I-shaped structure is vertically arranged；In I-shaped
One is welded with the right side of type structure and connects its top and the c-type stirrup of its upright part；One is welded with the left of I-shaped structure
Its top of individual connection and the c-type stirrup and a c-type stirrup for connecting its bottom and T font structures of T font structures；
A structure symmetrical above and below is formed between described I-shaped reinforcing bar and stirrup.
Further, described reinforcing bar is the structure that an I-shaped structure and a font T font structure are intersected to form,
After described T font structures are rotated by 90 ° to the left, the montant part of its montant part and I-shaped structure is vertically arranged；In I-shaped
One is welded with the right side of type structure and connects its top and the c-type stirrup of its bottom；A company is welded with the left of I-shaped structure
Connect the c-type stirrup and a c-type stirrup for connecting its bottom and T font structures of its top and T font structures；
A structure symmetrical above and below is formed between described I-shaped reinforcing bar and stirrup.
Stirrup is welded with reinforcing bar in factory, and welding stirrup eliminates common reinforcing bar coagulation by being welded and fixed with reinforcing bar
Vertical muscle in native component, reduces live steel bar meter amount, and reduce the thickness of the outer concrete layer of reinforcing bar.Weld the side of stirrup one
Face can increase the adhesive property of concrete and reinforcing bar, reduce the cracking of concrete or come off；On the other hand peg can be replaced,
Increase the resistant slide ability between concrete and reinforcing bar.
Thickness of concrete cover should meet concrete component protective layer thickness requirement.
The utility model has advantages below
1. weld stirrup-concrete component, with common SRC member identical advantage, i.e., with higher
Bearing capacity, shear-carrying capacity and anti-seismic performance；
2. on the one hand welding stirrup serves as stirrup, the cracking performance of concrete is improved, shearing-resistant member is on the other hand served as, it is ensured that
Concrete and reinforcing bar cooperation；
3. welding stirrup-combined steel and concrete column, longitudinal reinforcement is eliminated, the steel project at scene is reduced, shortening is applied
Between man-hour；When using prefabricated assembled, the grout sleeve connection of vertical muscle can be avoided, cost is reduced and shortens the duration；
4. steel skeleton itself has certain bearing capacity, formwork is saved, is conducive to cross construction.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are these
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is welding L-shaped stirrup-H-shaped steel reinforced concrete beam column schematic diagram；
Fig. 2 is welding stirrup-section steel framed concrete beam schematic diagram of remaining silent；
Fig. 3 is welding C-shaped stirrup-H-shaped steel reinforced concrete beam column schematic diagram；
Fig. 4 is welding C-shaped stirrup-cross steel reinforced concrete beam column schematic diagram；
Fig. 5 is welding L-shaped stirrup-T steel bone steel reinforced concrete beam column schematic diagram；
Fig. 6 is welding C-shaped stirrup-T steel bone beam column built from concrete schematic diagram；
In figure：1 reinforcing bar, 2 stirrups, 3 concrete, 4 components.
Embodiment
To solve the problem of background section is proposed, stirrup-steel reinforced concrete is welded the utility model proposes one kind
Component.It is the welded reinforcement on reinforcing bar to weld stirrup steel rib beam column, and concrete is inserted between reinforcing bar and reinforcing bar and outside reinforcing bar
Formed by a kind of combining structure component.Stirrup is welded to reinforcing bar by welding stirrup steel reinforced concrete beam column, by welding stirrup
Apply interaction, it is ensured that reinforcing bar and concrete cooperation, while eliminating longitudinal reinforcement.Reinforcing bar framework of steel reinforcement can be in work
Factory's processing and fabricating.Simplify construction technology, it is to avoid bar frame process of binding, shorten Production Time, be conducive to component work
Factory's metaplasia production.The peg on reinforcing bar surface can be replaced by welding stirrup, save material usage；Eliminate and mixed outside longitudinal reinforcement, reinforcing bar
Solidifying protective soil layer thickness can be reduced to 50mm, reduce sectional dimension.Steel skeleton has certain bearing capacity in itself, can use it
Construction stage load is carried, template is suspended on firm skeleton, formwork is saved, is conducive to continuous productive process.Stirrup-reinforcing bar is welded to mix
Solidifying earth pillar, eliminates vertical muscle, when splicing at component scene, it is only necessary to weld reinforcing bar, it is to avoid the grout sleeve of vertical muscle splicing, drop
Low cost, improves speed of application.
Weld stirrup-SRC member, including reinforcing bar and stirrup.The reinforcing bar outside weld is connected to stirrup, stirrup skeleton
Poured between reinforcing bar and be provided with concrete cover outside concrete, stirrup skeleton.
The cross sectional shape of reinforcing bar can be the real abdomen section such as I-shaped, box-shaped, cross, or lattice section, honeycomb
The empty stomach such as plate section.
Stirrup and reinforcing bar welds in factory, and the shape of stirrup can be C-shaped, L-shaped, U-shaped etc..Weld stirrup by with reinforcing bar
It is welded and fixed, eliminates the vertical muscle in common SRC member, reduces live steel bar meter amount, and reduce outside reinforcing bar
The thickness of concrete layer.On the one hand welding stirrup can increase the adhesive property of concrete and reinforcing bar, reduce the cracking of concrete
Or come off；On the other hand peg, the resistant slide ability between increase concrete and reinforcing bar can be replaced.
Thickness of concrete cover should meet concrete component protective layer thickness requirement.
The utility model is described in detail below in conjunction with the accompanying drawings, specific structure is as follows：
Embodiment 1
As shown in figure 1, welding stirrup-SRC member 4, including reinforcing bar and stirrup, the reinforcing bar outside weld is connected to hoop
Concrete 3 has been poured inside and outside the space of muscle, described stirrup and reinforcing bar formation；Described reinforcing bar is I-shaped, I-shaped
The left side of reinforcing bar 1 be welded with one connect its top and its upright part c-type stirrup 2 and one connect its bottom and its vertical rod
Partial c-type stirrup 2；Be welded with the right side of I-shaped reinforcing bar 1 one connect at the top of it and its upright part c-type stirrup and
One connect its bottom and its upright part c-type stirrup.
One or so and structure symmetrical above and below are formed between described I-shaped reinforcing bar and stirrup.
Embodiment 2
As shown in Fig. 2 welding stirrup-SRC member 4, including reinforcing bar and stirrup, the reinforcing bar outside weld is connected to hoop
Concrete 3 has been poured inside and outside the space of muscle, described stirrup and reinforcing bar formation；Described reinforcing bar 1 is the rectangular configuration of closing,
A c-type stirrup 2 is welded in the bottom of rectangular configuration, and described c-type stirrup 2 connects the left side and right side of rectangular configuration；Rectangle knot
Two symmetrical c-type stirrups 2 are welded at the top of structure, and a c-type stirrup 2 connects the top and left side of rectangular configuration；It is another
Individual c-type stirrup 2 connects the top and right side of rectangular configuration.Formation one is symmetrical between described I-shaped reinforcing bar and stirrup
Structure.
Rectangular configuration described here is rectangular configuration of the corner by arc transition, and is non-frame construction.
Embodiment 3
As shown in figure 3, welding stirrup-SRC member 4, including reinforcing bar and stirrup, the reinforcing bar outside weld is connected to hoop
Concrete 3 has been poured inside and outside the space of muscle, described stirrup and reinforcing bar formation；Described reinforcing bar 1 is I-shaped, I-shaped
One is welded with the left of reinforcing bar and connects its top and the c-type stirrup 2 of its bottom；One is welded with the right side of I-shaped reinforcing bar 1
The c-type stirrup 2 at its top of individual connection and its bottom.
One or so and structure symmetrical above and below are formed between described I-shaped reinforcing bar and stirrup.
Embodiment 4
As shown in figure 4, welding stirrup-SRC member 4, including reinforcing bar and stirrup, the reinforcing bar outside weld is connected to hoop
Concrete 3 has been poured inside and outside the space of muscle, described stirrup and reinforcing bar formation；Described reinforcing bar 1 is two I-shaped structures
The structure that right-angled intersection is formed, is respectively provided with a L-type stirrup 2 on four angles of the structure, and four L-type stirrups 2 are each connected
Its corresponding two adjacent steel-reinforced bracket parts.One or so and up and down is formed between described I-shaped reinforcing bar and stirrup
Symmetrical structure.
Embodiment 5
As shown in figure 5, welding stirrup-SRC member 4, including reinforcing bar and stirrup, the reinforcing bar outside weld is connected to hoop
Concrete 3 has been poured inside and outside the space of muscle, described stirrup and reinforcing bar formation；Described reinforcing bar 1 is an I-shaped structure
The structure intersected to form with a font T font structure, after described T font structures are rotated by 90 ° to the left, its montant part with
The montant part of I-shaped structure is vertically arranged；One is welded with the right side of I-shaped structure to connect at the top of it and its upright part
C-type stirrup 2；A c-type stirrup 2 connected at the top of it with T font structures and a company are welded with the left of I-shaped structure
Connect the c-type stirrup of its bottom and T font structures；
A structure symmetrical above and below is formed between described I-shaped reinforcing bar and stirrup.
Embodiment 6
As shown in fig. 6, welding stirrup-SRC member 4, including reinforcing bar and stirrup, the reinforcing bar outside weld is connected to hoop
Concrete 3 has been poured inside and outside the space of muscle, described stirrup and reinforcing bar formation；Described reinforcing bar be I-shaped structure and
The structure that one font T font structure is intersected to form, after described T font structures are rotated by 90 ° to the left, its montant part and work
The montant part of font structure is vertically arranged；A c-type for connecting at the top of it and its bottom is welded with the right side of I-shaped structure
Stirrup；One is welded with the left of I-shaped structure to connect at the top of it and the c-type stirrup of T font structures and one connect its bottom
With the c-type stirrup of T font structures.
A structure symmetrical above and below is formed between described I-shaped reinforcing bar and stirrup.
Welding stirrup-SRC member in 6 above-mentioned embodiments is that stirrup is welded on reinforcing bar, is then poured
A kind of combining structure component formed by concrete, reduces the shear connector and longitudinal steel of traditional SRC member
Muscle.Welding stirrup-steel reinforced concrete beam column has the advantages that steel reinforced concrete beam column in itself, substitutes reinforcing bar with reinforcing bar, can subtract
Small cross sectional areas, reduces dead load；Reinforcing bar external wrapping concrete increase the rigidity of structure and and shear-carrying capacity, can significantly improve
Anti-seismic performance.Steel skeleton has certain bearing capacity in itself, can carry construction stage load with it, template is suspended on into firm bone
On frame, formwork is saved, is conducive to continuous productive process.The stirrup in stirrup-SRC member is welded, on the one hand can be improved mixed
Coagulate the cracking resistance of soil；On the other hand serve as shearing-resistant member, it is ensured that reinforcing bar and concrete cooperation, simplify construction technology, keep away
Exempt from bar frame process of binding, shortened Production Time, be conducive to element factory metaplasia to produce.It is prefabricated assembled when using, can
Avoid the grout sleeve connection of vertical muscle, reduction cost and shortening duration.
It is not new to this practicality although above-mentioned embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not pay the various modifications that creative work can make or deform still in protection model of the present utility model
Within enclosing.
Claims (7)
1. weld stirrup steel rib beam column, it is characterised in that including reinforcing bar and stirrup, the reinforcing bar outside weld is connected to stirrup, described
Concrete has been poured inside and outside the space of stirrup and reinforcing bar formation.
2. stirrup steel rib beam column is welded as claimed in claim 1, it is characterised in that described reinforcing bar is I-shaped, in I-shaped
Be welded with the left of shaped steel bone one connect its top and its upright part c-type stirrup and one connect its bottom and its vertical rod
Partial c-type stirrup；A c-type stirrup and one connected at the top of it with its upright part is welded with the right side of I-shaped reinforcing bar
It is individual to connect its bottom and the c-type stirrup of its upright part；Between described I-shaped reinforcing bar and stirrup formed one or so and
Structure symmetrical above and below.
3. stirrup steel rib beam column is welded as claimed in claim 1, it is characterised in that described reinforcing bar is the rectangle knot of closing
A c-type stirrup is welded in structure, the bottom of rectangular configuration, and described c-type stirrup connects the left side and right side of rectangular configuration；Rectangle knot
Two symmetrical c-type stirrups are welded at the top of structure, and a c-type stirrup connects the top and left side of rectangular configuration；Another C
Type stirrup connects the top and right side of rectangular configuration；A symmetrical knot is formed between described rectangular configuration reinforcing bar and stirrup
Structure.
4. stirrup steel rib beam column is welded as claimed in claim 1, it is characterised in that described reinforcing bar is I-shaped, in I-shaped
One is welded with the left of shaped steel bone and connects its top and the c-type stirrup of its bottom；One is welded with the right side of I-shaped reinforcing bar
The c-type stirrup at its top of individual connection and its bottom；One or so and up and down is formed between described I-shaped reinforcing bar and stirrup
Symmetrical structure.
5. stirrup steel rib beam column is welded as claimed in claim 1, it is characterised in that described reinforcing bar is two I-shaped structures
The structure that right-angled intersection is formed, is respectively provided with a L-type stirrup, four L-type stirrups each connect it on four angles of the structure
Corresponding two adjacent steel-reinforced bracket parts；One or so is formed between described I-shaped reinforcing bar and stirrup and right up and down
Claim structure.
6. stirrup steel rib beam column is welded as claimed in claim 1, it is characterised in that described reinforcing bar is an I-shaped structure
The structure intersected to form with a font T font structure, after described T font structures are rotated by 90 ° to the left, its montant part with
The montant part of I-shaped structure is vertically arranged；One is welded with the right side of I-shaped structure to connect at the top of it and its upright part
C-type stirrup；One is welded with the left of I-shaped structure to connect at the top of it and the c-type stirrup of T font structures and a connection
Its bottom and the c-type stirrup of T font structures；A structure symmetrical above and below is formed between described I-shaped reinforcing bar and stirrup.
7. stirrup steel rib beam column is welded as claimed in claim 1, it is characterised in that described reinforcing bar is an I-shaped structure
The structure intersected to form with a font T font structure, after described T font structures are rotated by 90 ° to the left, its montant part with
The montant part of I-shaped structure is vertically arranged；A C for connecting at the top of it and its bottom is welded with the right side of I-shaped structure
Type stirrup；One is welded with the left of I-shaped structure to connect at the top of it and the c-type stirrup of T font structures and one connect its bottom
Portion and the c-type stirrup of T font structures；A structure symmetrical above and below is formed between described I-shaped reinforcing bar and stirrup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621346607.6U CN206408836U (en) | 2016-12-09 | 2016-12-09 | Weld stirrup steel rib beam column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621346607.6U CN206408836U (en) | 2016-12-09 | 2016-12-09 | Weld stirrup steel rib beam column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206408836U true CN206408836U (en) | 2017-08-15 |
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ID=59549682
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621346607.6U Expired - Fee Related CN206408836U (en) | 2016-12-09 | 2016-12-09 | Weld stirrup steel rib beam column |
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| Country | Link |
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| CN (1) | CN206408836U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107338907A (en) * | 2017-08-29 | 2017-11-10 | 北京工业大学 | A kind of cross lowly reinforced external wrapping concrete shaped steel Special-Shaped Column |
| CN107476496A (en) * | 2017-08-29 | 2017-12-15 | 北京工业大学 | A kind of type lowly reinforced external wrapping concrete shaped steel Special-Shaped Columns of Z 1 |
| CN107503469A (en) * | 2017-08-29 | 2017-12-22 | 北京工业大学 | A kind of type lowly reinforced external wrapping concrete shaped steel Special-Shaped Columns of L 2 |
| CN107542222A (en) * | 2017-08-29 | 2018-01-05 | 北京工业大学 | A kind of type lowly reinforced external wrapping concrete shaped steel Special-Shaped Columns of Z 2 |
| CN107542223A (en) * | 2017-08-29 | 2018-01-05 | 北京工业大学 | A kind of T-shaped lowly reinforced external wrapping concrete shaped steel Special-Shaped Column |
| CN107542224A (en) * | 2017-08-29 | 2018-01-05 | 北京工业大学 | A kind of type lowly reinforced external wrapping concrete shaped steel Special-Shaped Columns of Z 3 |
| CN112726956A (en) * | 2020-12-30 | 2021-04-30 | 深圳市市政设计研究院有限公司 | Prestressed corrugated steel web-concrete composite beam and construction method thereof |
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2016
- 2016-12-09 CN CN201621346607.6U patent/CN206408836U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107338907A (en) * | 2017-08-29 | 2017-11-10 | 北京工业大学 | A kind of cross lowly reinforced external wrapping concrete shaped steel Special-Shaped Column |
| CN107476496A (en) * | 2017-08-29 | 2017-12-15 | 北京工业大学 | A kind of type lowly reinforced external wrapping concrete shaped steel Special-Shaped Columns of Z 1 |
| CN107503469A (en) * | 2017-08-29 | 2017-12-22 | 北京工业大学 | A kind of type lowly reinforced external wrapping concrete shaped steel Special-Shaped Columns of L 2 |
| CN107542222A (en) * | 2017-08-29 | 2018-01-05 | 北京工业大学 | A kind of type lowly reinforced external wrapping concrete shaped steel Special-Shaped Columns of Z 2 |
| CN107542223A (en) * | 2017-08-29 | 2018-01-05 | 北京工业大学 | A kind of T-shaped lowly reinforced external wrapping concrete shaped steel Special-Shaped Column |
| CN107542224A (en) * | 2017-08-29 | 2018-01-05 | 北京工业大学 | A kind of type lowly reinforced external wrapping concrete shaped steel Special-Shaped Columns of Z 3 |
| CN112726956A (en) * | 2020-12-30 | 2021-04-30 | 深圳市市政设计研究院有限公司 | Prestressed corrugated steel web-concrete composite beam and construction method thereof |
| CN112726956B (en) * | 2020-12-30 | 2022-04-12 | 深圳市市政设计研究院有限公司 | Prestressed corrugated steel web-concrete composite beam and construction method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |