CN208201610U - A kind of steel-concrete part bondbeam - Google Patents
A kind of steel-concrete part bondbeam Download PDFInfo
- Publication number
- CN208201610U CN208201610U CN201820365346.5U CN201820365346U CN208201610U CN 208201610 U CN208201610 U CN 208201610U CN 201820365346 U CN201820365346 U CN 201820365346U CN 208201610 U CN208201610 U CN 208201610U
- Authority
- CN
- China
- Prior art keywords
- floorings
- steel
- moment area
- girder steel
- concrete
- Prior art date
- 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.)
- Active
Links
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a kind of steel-concrete part bondbeams, for bridge technology field, including girder steel and the concrete slab being located at the top of girder steel, the girder steel is equipped with the connector for protruding into concrete bridge deck intralamellar part, the concrete slab includes floorings at the top of sagging moment area girder steel, floorings at the top of the girder steel of hogging moment area, non-steel back portion of sagging moment area floorings, hogging moment area non-steel back portion floorings, the connector includes the generic connectivity part protruded at the top of sagging moment area girder steel inside floorings and protrudes into resistance to plucking at the top of the hogging moment area girder steel inside floorings not shear connector, longitudinally arranged prestressing tendon is equipped in hogging moment area non-steel back portion floorings.Its simple structure can effectively solve hogging moment floorings problem of Cracking, and can realize industrialized production, prefabricated construction, have good technical economic benefit.
Description
Technical field
The utility model is used for bridge technology field, more particularly to a kind of steel-concrete part bondbeam.
Background technique
Steel and concrete are the primary structural materials for building bridge, both materials have on physical and mechanical properties
Different Pros and Cons, the compressive region of Steel-concrete Composite Beams freely supported structure are predominantly located at concrete slab position, tension
Qu Ze is located at girder steel position, avoids concrete in tension cracking and girder steel buckle in compression, can give full play to the pull resistance of steel
It can be with the compressive property of concrete, rigidity, ductility and lighter dead load with higher.It is combined when using steel-concrete
When beam continuous structure, due to the presence of pier top hogging moment area, so that pier top hogging moment area concrete shows as tension stress, to keep away
Exempt from the destruction of pier top hogging moment area concrete in tension, conventional treatment measures are improved the arrangement of reinforcement of the region concrete, sagging moment
Area's preload, hogging moment support jack in advance, apply pier top concrete bridge deck board prestress, hogging moment area using high-performance coagulation
Soil the methods of pours, but these types of method all to some extent the complexity of increased design and construction, improve project cost, pass through
Ji property is not good enough.
Utility model content
The purpose of this utility model is to provide a kind of steel-concrete part bondbeam, simple structure be can effectively solve
Hogging moment floorings problem of Cracking, and can realize industrialized production, prefabricated construction, there is good technical economic benefit.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of steel-concrete part bondbeam, packet
The concrete slab for including girder steel and being located at the top of girder steel, the girder steel are equipped with the connection for protruding into concrete bridge deck intralamellar part
Part, the concrete slab include floorings at the top of sagging moment area girder steel, floorings, sagging moment area at the top of the girder steel of hogging moment area
Non-steel back portion floorings, hogging moment area non-steel back portion floorings, the connector include protruding at the top of sagging moment area girder steel
Generic connectivity part inside floorings and resistance to plucking at the top of the hogging moment area girder steel inside floorings not shear connector is protruded into,
Longitudinally arranged prestressing tendon is equipped in hogging moment area non-steel back portion floorings.
It is further used as the improvement of technical solutions of the utility model, the girder steel includes top flange, lower flange, the first web
With the first web ribbed stiffener, the connector is arranged above the top flange, and lateral connection beam is equipped between the girder steel.
It is further used as the improvement of technical solutions of the utility model, the concrete slab uses cast-in-place floorings, institute
Stating prestressing tendon includes reaching the prestressed strand of 75% post-stretching in hogging moment area non-steel back portion floorings intensity.
It is further used as the improvement of technical solutions of the utility model, the concrete slab uses prefabricated bridge, institute
State concrete slab include sagging moment area floorings, the decking in the negative moment region and cast-in-place sagging moment area floorings seam,
The adjacent seam of the decking in the negative moment region seam and positive hogging moment area, the connector are distributed in sagging moment area floorings seam, bear
In the adjacent seam of moment of flexure area floorings seam and positive hogging moment area, the prestressing tendon be included in the decking in the negative moment region seam,
The adjacent joint strength in positive hogging moment area reaches the prestressed strand of 75% post-stretching.
It is further used as the improvement of technical solutions of the utility model, the girder steel has box-type section, and the girder steel includes
Top plate and bottom plate, the second web and the second ribbed stiffener, the girder steel bottom plate positioned at hogging moment area are equipped with non-shrinkage concrete.
It is further used as the improvement of technical solutions of the utility model, the girder steel top plate positioned at hogging moment area is equipped with prestressing force
Beam avoid holes are equipped with resistance to plucking not shear connector in the two sides of prestressing tendon avoid holes on the girder steel top plate.
The utility model has the beneficial effects that the technical program simple structure, can effectively solve hogging moment floorings cracking ask
Topic, and can realize industrialized production, prefabricated construction, there is good technical economic benefit, specifically have the beneficial effect that
1. resistance to plucking not shear connector is arranged in the hogging moment area at the top of girder steel, under conditions of only changing connector performance,
Both the tensile stress that can have effectively discharged the region concrete slab avoids the region floorings from cracking, is also possible to prevent bridge
Panel starts, and constructs very simple.
2. configuring prestressing force in the decking in the negative moment region of girder steel two sides, opening for the region concrete can be effectively prevented
It splits.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing:
Fig. 1 is the utility model first embodiment structural front view；
Fig. 2 is the utility model first embodiment structure top view；
Fig. 3 is the utility model first embodiment structural side view；
Fig. 4 is the utility model second embodiment structural front view；
Fig. 5 is the utility model second embodiment structure top view；
Fig. 6 is the utility model second embodiment structural side view.
Specific embodiment
Referring to figs. 1 to Fig. 6, that show the specific structures of the preferred embodiment of the utility model.It below will specifically
The design feature of bright each component of the utility model.
The utility model provides a kind of steel-concrete part bondbeam, including girder steel 1 and is located at the mixed of 1 top of girder steel
Solidifying soil floorings 2, the girder steel 1 are equipped with the connector 3 protruded into inside concrete slab 2, and the concrete slab 2 wraps
Include floorings 211 at the top of sagging moment area girder steel, floorings 212, non-steel back portion of sagging moment area bridge floor at the top of the girder steel of hogging moment area
Plate 213, hogging moment area non-steel back portion floorings 214, the connector 3 include protruding into floorings at the top of sagging moment area girder steel
Generic connectivity part 31 inside 211 and protrude into resistance to plucking at the top of the hogging moment area girder steel inside floorings 212 not shear connections
Part 32, in sagging moment area non-steel back portion, regular reinforcement, hogging moment area non-steel back portion bridge is only arranged in floorings 213
It is equipped with longitudinally arranged prestressing tendon 4 in panel 213, tensile stress occurs to avoid the position under live loading.
Wherein, the girder steel 1 includes top flange 111, lower flange 112, the first web 113 and the first web ribbed stiffener 114,
The connector 3 is arranged above the top flange 111, and lateral connection beam 5 is equipped between the girder steel 1.
Preferably, the concrete slab uses cast-in-place floorings, it is non-that the prestressing tendon 4 is included in hogging moment area
214 intensity of floorings reaches the prestressed strand of 75% post-stretching at the top of girder steel.Sagging moment area steel is poured when construction first
Then back portion floorings 211 and sagging moment area non-steel back portion floorings 213 pour at the top of the hogging moment area girder steel
214 plate of floorings 212 and hogging moment area non-steel back portion bridge floor, to hogging moment area non-steel back portion floorings 214
Intensity reaches prestressed strand described in 75% post-stretching.
Preferably, the concrete slab uses prefabricated bridge, the concrete slab includes sagging moment area
Floorings 221, the decking in the negative moment region 222 and cast-in-place sagging moment area floorings seam 223, the decking in the negative moment region seam
224 seams 225 adjacent with positive hogging moment area, the connector 3 are distributed in sagging moment area floorings seam 223, hogging moment area bridge
In the seam 225 adjacent with positive hogging moment area of slab joint 224, the prestressing tendon 4 is included in the decking in the negative moment region seam
224, adjacent 225 intensity of seam in positive hogging moment area reaches the prestressed strand of 75% post-stretching.Set up first when construction it is described just
Moment of flexure area floorings 221 simultaneously pour the sagging moment area floorings seam 223, set up the decking in the negative moment region 222 later
And the decking in the negative moment region seam 224, the adjacent seam 225 in positive hogging moment area are poured, it is connect to the decking in the negative moment region
Seam 224, adjacent 225 intensity of seam in positive hogging moment area reach prestressed strand described in 75% post-stretching.
As another preferred embodiment, the girder steel 1 has box-type section, and the girder steel 1 includes top plate 121, bottom plate
122, the second web 123 and the second ribbed stiffener 124, the girder steel bottom plate 122 positioned at hogging moment area are equipped with non-shrinkage concrete 6,
The transverse strut can be cancelled.Girder steel 1 is set up when construction first and welds the connector 3, with sagging moment described in after-pouring
Floorings 211 and sagging moment area non-steel back portion floorings 213, then pour the non-shrinkage concrete at the top of area's girder steel
6, floorings 212 and hogging moment area non-steel back portion floorings 214 at the top of the hogging moment area girder steel are finally poured, to institute
It states 214 intensity of hogging moment area non-steel back portion floorings and reaches prestressed strand described in 75% post-stretching.
Girder steel top plate 121 positioned at hogging moment area is equipped with prestressing tendon avoid holes, is self-possessed to mitigate bridge and is to set
It sets prestressed stretch-draw anchor block and space is provided, be equipped with resistance to plucking in the two sides of prestressing tendon avoid holes on the girder steel top plate 121 and do not resist
Cut connector.Concrete slab described in the embodiment can also be used prefabricated bridge, and when construction sets up described just curved first
Square area floorings simultaneously pour the sagging moment area floorings seam, after-pouring described in non-shrinkage concrete, then set up described in
The decking in the negative moment region simultaneously pours the decking in the negative moment region seam, reaches to the decking in the negative moment region joint strength
Prestressed strand described in 75% post-stretching finally pours the adjacent seam in the positive hogging moment area.
The technical program simple structure can effectively solve hogging moment floorings problem of Cracking, and can realize industrial metaplasia
It produces, prefabricated construction, there is good technical economic benefit, specifically have the beneficial effect that
1. resistance to plucking not shear connector is arranged in the hogging moment area at the top of girder steel, under conditions of only changing connector performance,
Both the tensile stress that can have effectively discharged the region concrete slab avoids the region floorings from cracking, is also possible to prevent bridge
Panel starts, and constructs very simple.
2. configuring prestressing force in the decking in the negative moment region of girder steel two sides, opening for the region concrete can be effectively prevented
It splits.
3. steel girder segment is linked to be entirety by bolt, floorings are then connected by wet seam, and it is convenient to construct, and durability is good.
4. girder steel, floorings block size meet engineering construction modular coordination, be conducive to industrialized production.
Certainly, the invention is not limited to above embodiment, and those skilled in the art are without prejudice to originally
Equivalent deformation or replacement can be also made under the premise of utility model spirit, these equivalent variation or replacement are all contained in the application
In claim limited range.
Claims (6)
1. a kind of steel-concrete part bondbeam, it is characterised in that: including girder steel and the concrete bridge deck being located at the top of girder steel
Plate, the girder steel are equipped with the connector for protruding into concrete bridge deck intralamellar part, and the concrete slab includes sagging moment area steel
Floorings, non-steel back portion of sagging moment area floorings, hogging moment area non-steel back at the top of back portion floorings, hogging moment area girder steel
Portion's floorings, the connector include the generic connectivity part protruded at the top of sagging moment area girder steel inside floorings and protrude into described negative
Resistance to plucking at the top of moment of flexure area girder steel inside floorings not shear connector is equipped in hogging moment area non-steel back portion floorings
Longitudinally arranged prestressing tendon.
2. steel-concrete part according to claim 1 bondbeam, it is characterised in that: the girder steel include top flange, under
The edge of a wing, the first web and the first web ribbed stiffener, the connector are arranged above the top flange, are equipped between the girder steel
Lateral connection beam.
3. steel-concrete part according to claim 1 bondbeam, it is characterised in that: the concrete slab uses
Cast-in-place floorings, the prestressing tendon include reaching the pre- of 75% post-stretching in hogging moment area non-steel back portion floorings intensity to answer
Power steel beam.
4. steel-concrete part according to claim 1 bondbeam, it is characterised in that: the concrete slab uses
Prefabricated bridge, the concrete slab include sagging moment area floorings, the decking in the negative moment region and cast-in-place sagging moment
Area's floorings seam, the adjacent seam of the decking in the negative moment region seam and positive hogging moment area, the connector are distributed in sagging moment area
In floorings seam, the adjacent seam of the decking in the negative moment region seam and positive hogging moment area, the prestressing tendon is included in hogging moment
Area's floorings seam, the adjacent joint strength in positive hogging moment area reach the prestressed strand of 75% post-stretching.
5. steel-concrete part according to claim 4 bondbeam, it is characterised in that: the girder steel has box-type section,
The girder steel includes top plate and bottom plate, the second web and the second ribbed stiffener, and the girder steel bottom plate positioned at hogging moment area is equipped with ungauged regions
Concrete.
6. steel-concrete part according to claim 5 bondbeam, it is characterised in that: positioned at the girder steel top of hogging moment area
Plate is equipped with prestressing tendon avoid holes, is equipped with resistance to plucking not shear connections in the two sides of prestressing tendon avoid holes on the girder steel top plate
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820365346.5U CN208201610U (en) | 2018-03-16 | 2018-03-16 | A kind of steel-concrete part bondbeam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820365346.5U CN208201610U (en) | 2018-03-16 | 2018-03-16 | A kind of steel-concrete part bondbeam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208201610U true CN208201610U (en) | 2018-12-07 |
Family
ID=64527192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820365346.5U Active CN208201610U (en) | 2018-03-16 | 2018-03-16 | A kind of steel-concrete part bondbeam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208201610U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055881A (en) * | 2019-06-05 | 2019-07-26 | 北京市市政工程设计研究总院有限公司 | A kind of novel bridge floor continuous structure and construction method suitable for simply supported girder bridge |
| CN110258287A (en) * | 2019-07-31 | 2019-09-20 | 河南省交通规划设计研究院股份有限公司 | The design method of continuous negative moment section of beam is combined for steel reinforced concrete |
| CN110258529A (en) * | 2019-06-04 | 2019-09-20 | 广州穗岩土木科技股份有限公司 | A kind of post-tensioned prestressing diaphram wall and its construction method |
| CN110409305A (en) * | 2019-07-16 | 2019-11-05 | 清华大学 | Continuous composite beam bridge hogging moment area crack resistence construction equipment, construction method and beam bridge |
| CN112376386A (en) * | 2020-10-30 | 2021-02-19 | 东南大学 | Steel-concrete combined continuous beam and connecting piece and construction method of hogging moment area of steel-concrete combined continuous beam |
| CN113073557A (en) * | 2021-03-19 | 2021-07-06 | 中铁大桥局集团第一工程有限公司 | Method for mounting concrete bridge deck of steel-concrete combined continuous steel truss bridge |
-
2018
- 2018-03-16 CN CN201820365346.5U patent/CN208201610U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258529A (en) * | 2019-06-04 | 2019-09-20 | 广州穗岩土木科技股份有限公司 | A kind of post-tensioned prestressing diaphram wall and its construction method |
| CN110258529B (en) * | 2019-06-04 | 2021-08-17 | 鑫龙冶建设工程有限公司 | Post-tensioned prestressed underground continuous wall and construction method thereof |
| CN110055881A (en) * | 2019-06-05 | 2019-07-26 | 北京市市政工程设计研究总院有限公司 | A kind of novel bridge floor continuous structure and construction method suitable for simply supported girder bridge |
| CN110055881B (en) * | 2019-06-05 | 2023-11-21 | 北京市市政工程设计研究总院有限公司 | Bridge deck continuous construction and construction method suitable for simply supported girder bridge |
| CN110409305A (en) * | 2019-07-16 | 2019-11-05 | 清华大学 | Continuous composite beam bridge hogging moment area crack resistence construction equipment, construction method and beam bridge |
| CN110409305B (en) * | 2019-07-16 | 2024-04-30 | 清华大学 | Anti-cracking construction equipment and construction method for hogging moment area of continuous composite beam bridge and beam bridge |
| CN110258287A (en) * | 2019-07-31 | 2019-09-20 | 河南省交通规划设计研究院股份有限公司 | The design method of continuous negative moment section of beam is combined for steel reinforced concrete |
| CN112376386A (en) * | 2020-10-30 | 2021-02-19 | 东南大学 | Steel-concrete combined continuous beam and connecting piece and construction method of hogging moment area of steel-concrete combined continuous beam |
| CN113073557A (en) * | 2021-03-19 | 2021-07-06 | 中铁大桥局集团第一工程有限公司 | Method for mounting concrete bridge deck of steel-concrete combined continuous steel truss bridge |
| CN113073557B (en) * | 2021-03-19 | 2022-08-30 | 中铁大桥局集团第一工程有限公司 | Method for mounting concrete bridge deck of steel-concrete combined continuous steel truss bridge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208201610U (en) | A kind of steel-concrete part bondbeam | |
| CN103696355B (en) | The light-duty combined bridge structure of a kind of superhigh tenacity concrete slab-girder steel | |
| CN106638324B (en) | A kind of construction method of ultra-high performance concrete corrugated steel web plate composite box girder bridge | |
| CN100432348C (en) | Prestress mixed beam with concrete plate and corrugate steel web beam | |
| CN206418384U (en) | A kind of few girder composite beam bridge of use Prefabricated composite floorings | |
| CN105064198B (en) | Half prefabricated assembled corrugated steel web plate composite box girder and preparation method thereof | |
| CN107326794B (en) | A kind of assembled integral Prestressed steel-concrete composite beam formula bridge and its construction method | |
| CN112482221A (en) | Longitudinal continuous structure and construction method of simply supported steel-concrete composite beam hogging moment area bridge deck slab | |
| CN108824162A (en) | A kind of steel_concrete composite beam and its construction method using plain plate and corrugated sheet steel mixing web | |
| CN108385503A (en) | A kind of assembled light combination beam freely-supported structure changes continuous structure and its construction method | |
| CN110846996A (en) | Construction method of continuous composite beam bridge and continuous composite beam bridge | |
| CN108532810A (en) | A kind of recycled concrete superposed composite floor of steel plate- | |
| CN110331664B (en) | Steel-concrete mixed continuous box girder bridge deck joint structure and construction method thereof | |
| CN206408509U (en) | Ultra-high performance concrete corrugated steel web plate composite box girder | |
| CN108374317A (en) | A kind of steel concrete using mixing floorings combines continuous beam and its construction method entirely | |
| CN208219952U (en) | A kind of recycled concrete superposed composite floor of steel plate- | |
| CN207878254U (en) | A kind of assembled light combination beam freely-supported structure changes continuous structure | |
| CN208717744U (en) | A kind of assembled steel reinforced concrete combination prefabricated bridge | |
| CN207958956U (en) | A kind of assembly steel-concrete combination beam | |
| CN212153072U (en) | UHPC corrugated steel web I-shaped combined continuous beam | |
| CN107447676A (en) | The precast construction method of the steel and ultra-high performance concrete combination beam of steel ribs formula bridge floor | |
| CN214271695U (en) | Longitudinal continuous structure of concrete bridge deck slab in hogging moment area of simply supported steel-concrete composite beam | |
| CN215104723U (en) | Steel-concrete combined beam bridge structure | |
| CN109594461A (en) | A kind of assembly steel-concrete combination beam and its forming method | |
| CN107299721A (en) | A kind of precast concrete open tubular column node connecting structure and its construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 510060 East seat, No. 348 East Ring Road, Guangzhou, Guangdong, Yuexiu District Patentee after: Guangzhou municipal engineering design and Research Institute Co., Ltd. Address before: 510060, No. 348, East Ring Road, Guangzhou, Guangdong Patentee before: Guangzhou City Engineering Design studies total institute |
|
| CP03 | Change of name, title or address |