CN109183615A - A kind of more girder formula steel reinforced concrete combination continuous beams - Google Patents
A kind of more girder formula steel reinforced concrete combination continuous beams Download PDFInfo
- Publication number
- CN109183615A CN109183615A CN201810942650.6A CN201810942650A CN109183615A CN 109183615 A CN109183615 A CN 109183615A CN 201810942650 A CN201810942650 A CN 201810942650A CN 109183615 A CN109183615 A CN 109183615A
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- girder
- reinforcing bar
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- concrete
- plate
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/268—Composite concrete-metal
Abstract
The invention discloses a kind of more girder formula steel reinforced concretes to combine continuous beam, including girder main body, the top of girder main body is connected with floorings, girder main body includes multiple inverted T shaped girders, the bottom plate of each girder is arranged along vertical bridge to interval, the web of girder is arranged along direction across bridge, and the groove of an opening upwards is offered on web；Two groups of blanking plate components, for two groups of blanking plate components along bridge is indulged to the two sides for being mounted on web respectively, blanking plate component includes two sealing plates for being respectively arranged on groove two sides；It is connected between two sealing plates on two adjacent girders and is formed and enclose the cavity for setting and being formed the connection of an opening upwards jointly along the spaced two rows of direction across bridge, two rows of sealing plates and all bottom plates and all grooves, is filled with concrete in cavity.
Description
Technical field
The present invention relates to science of bridge building fields, and in particular to a kind of more girder formula steel reinforced concretes combination continuous beams.
Background technique
With the quickening of Urbanization in China, the construction of municipal bridge is towards quick, green, environmentally friendly, friendly target
Development, the lightness of bridge construction, batch production, standardization, assembling, it is rapid be the basic demand for realizing this target, and
More girder formula steel reinforced concrete combination beam continuous bridges are to meet one of best construction scheme of requirements above.
More girder formula steel reinforced concrete combination continuous beams are made of multiple I-beams at present, and each I-beam has been manufactured in factory's fragment
Cheng Hou, transport are installed to scene, and the floorings finally formed again by top layer cast-in-place concrete connect into each I-beam
It is whole.It completes, then transports as shown in Figure 1,10 ' of top plate of 1 ' of I-beam, 11 ' of web and 12 ' of top plate are manufactured in factory's fragment respectively
It is defeated to carry out assembling construction to scene, finally again by 2 ' of floorings of the top layer cast-in-place concrete formation in 10 ' of top plate by each work
1 ' of word beam connects to form continuous beam.
Since the structure of this continuous beam is only closed along vertical bridge to connection is formed in the top layer of 1 ' of I-beam by 2 ' of floorings
System can not provide enough torsional rigidities although can bear the partial pressure of top layer application between 1 ' of each I-beam, guarantee
The globality and continuity of vertical and horizontal between each 1 ' of I-beam.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of more girder formula steel reinforced concrete combinations are continuous
Beam provides enough torsional rigidities, guarantees the globality and continuity of the vertical and horizontal of entire continuous beam.
To achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of more girder formula steel reinforced concrete combination continuous beams, including girder main body, the top of the girder main body are connected with bridge floor
Plate, the girder main body include:
Multiple inverted T shaped girders, the bottom plate of each girder is along bridge is indulged to interval setting, and the web of the girder is along cross-bridges
To setting, the groove of an opening upwards is offered on the web；
Bridge is indulged to the two sides for being mounted on the web respectively, the envelope in two groups of blanking plate components, the edge of blanking plate component described in two groups
Board group part includes two sealing plates for being respectively arranged on the groove two sides；Between two sealing plates on the girder of adjacent two
It is connected and is formed and encloses and set simultaneously jointly along the spaced two rows of direction across bridge, two rows of sealing plates and all bottom plates and all grooves
The cavity of the connection of an opening upwards is formed, is filled with concrete in the cavity.
Based on the above technical solution, described sealing plate one end is connected with the web, and the other end extends to and institute
State that bottom plate is concordant, alternatively, its other end extends to except the edge of the bottom plate.
Based on the above technical solution, the girder includes two top plates, and two top plates are set to the web
Top, and be located at the two sides of the groove, the top plate is connected with the floorings.
Based on the above technical solution, the girder further includes two concrete slabs, two concrete slabs point
It She Yu not be on two top plates, and between the top plate and floorings, between the concrete slab, top plate and floorings
It is connected by WELDING STUDS.
Based on the above technical solution, the girder main body includes stiffener assembly, and the stiffener assembly includes:
First reinforcing bar, first reinforcing bar are arranged between two concrete slabs along direction across bridge, first reinforcing bar
It is connected with the main reinforcement of the floorings；
Second reinforcing bar, second reinforcing bar are connected along bridge is indulged to first reinforcing bar.
Based on the above technical solution, the girder main body includes third reinforcing bar, and the third reinforcing bar is set to two rows
Between the sealing plate, and the third reinforcing bar is along indulging bridge to being arranged on all webs.
Based on the above technical solution, the girder main body further includes the closure concrete-bar component of multiple groups rectangle, described
It is closed concrete-bar component edge and indulges bridge to the junction between two sealing plates being set on the adjacent girder.
Based on the above technical solution, the closure concrete-bar component includes:
First closure reinforcing bar, is arranged along direction across bridge, and the two sides and bottom end of the first closure reinforcing bar are respectively with described the
Three reinforcing bars are connected, and top is connected with second reinforcing bar；
Second closure reinforcing bar is set in the first closure reinforcing bar along direction across bridge, the top of the second closure reinforcing bar
The top for distinguishing the first closure reinforcing bar with bottom end is connected with bottom end.
Compared with the prior art, the advantages of the present invention are as follows:
(1) a kind of more girder formula steel reinforced concretes of the invention combine continuous beam, open up the groove of opening upwards on web in order to build
Stand between adjacent girder along vertical bridge to connection, when the sealing plate of web two sides both can be used as erection of main beam temporarily putting more energy into
Rib reinforces the stability of girder, can also be used as the template of cavity, facilitates casting concrete in the cavity, leads between each girder
It is integral in groove connection to cross concrete, the top of girder main body is connected with floorings, reaches to concrete cooling molding and sets
After counting intensity, thick and solid concrete structure provides enough torsional strengths, and ensure that the whole of continuous beam vertical and horizontal
Body and continuity.
(2) sealing plate of the invention is concordant with bottom plate or edge beyond bottom plate, on two adjacent girders corresponding sealing plate it
Between be weldingly connected, each girder is connected integral, seal plate welding is connected interim ribbed stiffener when can be used as erection of main beam, reinforces master
The stability of beam, while can also be used as the template of cavity, convenient casting concrete in the cavity.
(3) two top plates of the invention are located at the two sides of groove, and top plate is connected with floorings, when continuous beam load compared with
When big and more demanding to the torsional property of continuous beam, top plate can carry the power of floorings application and increase the antitorque of continuous beam
Ability.Wherein concrete slab, top plate are connected with floorings by WELDING STUDS, and in the top surface cast-in-place concrete of concrete slab, shape
At floorings, concrete slab can undertake the power of part floorings application, improve the whole intensity of continuous beam.
(4) the first reinforcing bar is equipped between concrete slab of the invention, the first reinforcing bar is connected with the main reinforcement of floorings, edge
The vertical bridge group that is connected to the second reinforcing bar set in the cavity with the first reinforcing bar is set as stiffener assembly, and stiffener assembly is for by girder and bridge
Panel is connected, according to the stress of continuous beam it needs to be determined that the configuration of reinforcing bar, is guaranteed with providing enough rigidities of structure and intensity
The globality and force request of continuous beam.
(5) the third reinforcing bar in the present invention is set between two rows of sealing plates, and bridge is indulged to being arranged in third reinforcing bar edge
Between some webs, third reinforcing bar enhances the connection between adjacent girder, and strengthens the intensity of the intracorporal concrete of chamber, shape
Continuous beam is combined at steel reinforced concrete, it is ensured that the safety and stabilization of the structure of continuous beam.
(6) multiple groups rectangle closure concrete-bar component of the present invention is disposed around the junction of sealing plate, assumes responsibility for each girder junction
Stress ensure that the whole stability of continuous beam.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing continuous beam；
Fig. 2 is a kind of structural schematic diagram of more girder formula steel reinforced concretes combination continuous beams in the embodiment of the present invention；
Fig. 3 is the A-A view in Fig. 2；
Fig. 4 is the B-B view in Fig. 2；
Fig. 5 is the structural schematic diagram of sealing plate.
In figure: 1 '-I-beam, 10 '-top plate, 11 '-web, 12 '-top plate, 2 '-floorings, 1- girder main body, 10- master
Beam, 100- bottom plate, 101- web, 102- groove, 103- top plate, 104- concrete slab, 11- blanking plate component, 110- sealing plate, 12-
Cavity, 13- concrete, 14- stiffener assembly, the first reinforcing bar of 140-, the second reinforcing bar of 141-, 15- third reinforcing bar, 16- are closed reinforcing bar
Component, 160- first are closed reinforcing bar, and 161- second is closed reinforcing bar, 2- floorings.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments.
Referring to fig. 2, shown in Fig. 3 and Fig. 5, the embodiment of the present invention provides a kind of more girder formula steel reinforced concrete combination continuous beams, including
Girder main body 1, the top of girder main body 1 are connected with floorings 2, and girder main body 1 includes: multiple inverted T shaped girders 10, each girder
10 bottom plate 100 is arranged along vertical bridge to interval, and the web 101 of girder 10 is arranged along direction across bridge, and the plate face of web 101 is towards vertical bridge
To offering the groove 102 of an opening upwards on web 101；Two groups of blanking plate components 11, two groups of blanking plate components 11 along vertical bridge to point
It is not mounted on the two sides of web 101, blanking plate component 11 includes two sealing plates 110 for being respectively arranged on 102 two sides of groove；Adjacent two
It is connected between two sealing plates 110 on girder 10 and is formed in the spaced two rows of direction across bridge, two adjacent girders 10
Two sealing plates 110 refer to that two sealing plates 110 of wherein one group of blanking plate component 11 on any girder 10 are adjacent thereto with another
It is corresponding between two sealing plates 110 of wherein one group of blanking plate component 11 on girder 10 to be connected, and formed along vertical bridge to the two of arrangement
Sealing plate 110 is arranged, two rows of sealing plates 110 enclose jointly with all bottom plates 100 and all grooves 102 and set and formed an opening upwards
Connection cavity 12, concrete 13 is filled in cavity 12.The groove 102 of opening upwards is opened up on web 101 in order to establish
Between adjacent girder 10 along vertical bridge to connection, the blanking plate component 11 of 101 two sides of web both can be used as girder 10 install when
Interim ribbed stiffener, reinforce the stability of girder 10, can also be used as the template to form cavity 12, it is convenient to be poured in cavity 12
Concrete 13 connects integral, the top of girder main body 1 and bridge floor by concrete 13 between each girder 10 at groove 102
Plate 2 is connected, and after reaching design strength to the cooling and shaping of concrete 13, thick and solid 13 structure of concrete provides enough antitorque
Intensity, and ensure that the globality and continuity of continuous beam vertical and horizontal.
Shown in Figure 5, as an optional embodiment, 110 one end of sealing plate is connected with web 101, and the other end prolongs
Extend to it is concordant with bottom plate 100, alternatively, its other end extends to except the edge of bottom plate 100.Sealing plate is concordant with bottom plate or exceeds bottom
The edge of plate is weldingly connected on two adjacent girders between corresponding sealing plate, each girder is connected integral, and seal plate welding is connected
It can be used as interim ribbed stiffener when erection of main beam, reinforce the stability of girder, while can also be used as the template of cavity, conveniently exist
Casting concrete in cavity.
Shown in Figure 3, as an optional embodiment, girder 10 includes two top plates 103, and two top plates 103 are set
In the top of web 101, and the two sides of groove 102 are located at, top plate 103 is connected with floorings 2.Girder 10 further includes two
Concrete slab 104, two concrete slabs 104 are respectively arranged on two top plates 103, and between top plate 103 and floorings 2,
It is connected between concrete slab 104, top plate 103 and floorings 2 by WELDING STUDS.When the load of continuous beam is larger and to continuous beam
When torsional property is more demanding, top plate 103 can carry the power of the application of floorings 2 and increase the anti-twisting property of continuous beam.Wherein
Top plate 103, web 101, the bottom plate 100 of girder 10 are welded after manufacturing respectively and are formed, and web 101 is by the web of two half U types
Element solder is formed, and is formed groove 102 at middle part after welding, is facilitated web 101 at the manufacture of factory, the transport in later period and scene
Construction.The welding of girder 10 welds WELDING STUDS on web 101, sealing plate 110 and bottom plate 100 after being formed, to guarantee and cavity 12
Interior concrete is reliably connected.
Shown in Figure 4, as a preferred embodiment, girder main body 1 includes stiffener assembly 14, and stiffener assembly 14 wraps
Include: the first reinforcing bar 140, the first reinforcing bar 140 are arranged between two concrete slabs 104 along direction across bridge, the first reinforcing bar 140 and bridge floor
The main reinforcement of plate 2 is connected；Second reinforcing bar 141, the second reinforcing bar 141 are connected along vertical bridge to the first reinforcing bar 140.Concrete slab 104
Between be equipped with the first reinforcing bar 140, the first reinforcing bar 140 is connected with the main reinforcement of floorings 2, and the main reinforcements of floorings 2 is along vertical
For bridge to the reinforcing bar of setting, the group that is connected with the first reinforcing bar 140 along vertical bridge to the second reinforcing bar 141 being located in cavity 12 is set as reinforcement group
Part 14, stiffener assembly 14 is integral by the top shape of girder 10 for girder 10 to be connected with floorings 2, according to continuous beam
Stress it needs to be determined that reinforcing bar configuration, with the globality and stress for providing enough rigidities of structure and intensity to guarantee continuous beam
It is required that.
Shown in Figure 4, as a preferred embodiment, girder main body 1 includes third reinforcing bar 15, and third reinforcing bar 15 is set
Between two rows of sealing plates 110, and third reinforcing bar 15 along vertical bridge to being arranged on all webs 101.Third reinforcing bar 15 is threaded through
The two sides and bottom of groove 102, third reinforcing bar 15 enhance the connection between adjacent girder 10, and strengthen mixed in cavity 12
The intensity of solidifying soil 13 forms steel reinforced concrete and combines continuous beam, it is ensured that the safety and stabilization of the structure of continuous beam.
Shown in Figure 4, as a preferred embodiment, girder main body 1 further includes the closure reinforcing bar group of multiple groups rectangle
Part 16, closure concrete-bar component 16 along vertical bridge to be set to adjacent girder 10 on two sealing plates 110 between junction.It is closed steel
Muscle component 16 can undertake the stress of each 10 junction of girder, ensure that the whole stability of continuous beam.It is closed concrete-bar component 16
Include: the first closure reinforcing bar 160, along direction across bridge arrange, first closure reinforcing bar 160 two sides and bottom end respectively with third reinforcing bar
15 are connected, and top is connected with the second reinforcing bar 141；Second closure reinforcing bar 161 is set to the first closure reinforcing bar 160 along direction across bridge
Interior, the top of the second closure reinforcing bar 161 is connected with the top of bottom end difference the first closure reinforcing bar 160 with bottom end.First closure steel
Muscle 160 and the second closure reinforcing bar 161 are arranged along direction across bridge, enhance continuous beam transverse direction jointly with longitudinally arranged third reinforcing bar 15
With longitudinal stress intensity, guarantee the stability of beam structure.
The present invention implements that specific step is as follows:
1, according to the mechanical characteristic of the totality of continuous beam and girder main body 1, it is first determined two rows of sealing plates 110 and all masters
The width for the cavity 12 that the bottom plate 100 of beam 10 and all grooves 102 are collectively formed and the first reinforcing bar of required configuration
140, the second reinforcing bar 141, third reinforcing bar 15 and the specification, quantity and the bar spacing that are closed concrete-bar component 16.
2, top plate 103, web 101 and the bottom plate 100 of girder 10 are manufactured respectively in the factory, web 101 and bottom plate 100
Length is equal with the span of girder 10, and the length of top plate 103 is the width that 10 span of girder subtracts cavity 12, and according to the first steel
Muscle 140, the diameter of the second reinforcing bar 141 and spacing arrangement, circular hole or oval is opened in the corresponding position on 12 endosternum 101 of cavity
Hole, bore dia 10mm or more preferably big compared with bar diameter, so that reinforcing bar passes through.
3, blanking plate component 11 is welded in the two sides of web 101 according to the width of cavity 12, the width of each sealing plate 110 is two
The height of the half of spacing between a girder 10, sealing plate 110 is identical as web 101, in sealing plate 110 and bottom plate 100 in cavity
12 inner sections weld WELDING STUDS.
4, each erection of girder 10 is placed on interim fulcrum, and interim fulcrum is located at the underface of sealing plate 110, is then pushing up
Layer casting concrete forms floorings 2.Under simply-supported state, girder steel bottom plate 100, web 101, welding connects between sealing plate 110
It connects.
5, the first reinforcing bar 140, the second reinforcing bar 141, third reinforcing bar 15 and the closure concrete-bar component 16 in cavity 12 are installed.
6, bridge is indulged into arrangement in the main reinforcement edge that the main reinforcement of the first reinforcing bar 140 and floorings 2 welds floorings 2 one by one.
7, the bed die and side form for installing cavity 12, pour the concrete 13 in cavity 12.
8, after reaching design strength to the concrete 13 in cavity 12, permanent support is installed, removes temporary support, then
Carry out subsequent construction.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (8)
1. a kind of more girder formula steel reinforced concretes combine continuous beam, including girder main body (1), the top of the girder main body (1) are connected with
Floorings (2), which is characterized in that the girder main body (1) includes:
The bottom plate (100) of multiple inverted T shaped girders (10), each girder (10) is arranged along vertical bridge to interval, the girder
(10) web (101) is arranged along direction across bridge, and the groove (102) of an opening upwards is offered on the web (101)；
Two groups of blanking plate components (11), blanking plate component described in two groups (11) is along vertical bridge to being mounted on the two of the web (101) respectively
Side, the blanking plate component (11) include two sealing plates (110) for being respectively arranged on the groove (102) two sides；Described in adjacent two
It is connected between two sealing plates (110) on girder (10) and is formed along the spaced two rows of direction across bridge, two rows of sealing plates
(110) cavity for setting and being formed the connection of an opening upwards is enclosed jointly with all bottom plate (100) and all grooves (102)
(12), concrete (13) are filled in the cavity (12).
2. more girder formula steel reinforced concretes as described in claim 1 combine continuous beams, it is characterised in that: described sealing plate (110) one end with
The web (101) be connected, the other end extend to it is concordant with the bottom plate (100), alternatively, its other end extends to the bottom
Except the edge of plate (100).
3. more girder formula steel reinforced concretes as described in claim 1 combine continuous beam, it is characterised in that: the girder (10) includes two
Top plate (103), two top plates (103) are set to the top of the web (101), and are located at the groove (102)
Two sides, the top plate (103) are connected with the floorings (2).
4. more girder formula steel reinforced concretes as claimed in claim 3 combine continuous beam, it is characterised in that: the girder (10) further includes two
A concrete slab (104), two concrete slabs (104) are respectively arranged on two top plates (103), and are located at the top
Between plate (103) and floorings (2), pass through WELDING STUDS phase between the concrete slab (104), top plate (103) and floorings (2)
Even.
5. more girder formula steel reinforced concretes as claimed in claim 4 combine continuous beams, which is characterized in that the girder main body (1) includes
Stiffener assembly (14), the stiffener assembly (14) include:
First reinforcing bar (140), first reinforcing bar (140) are arranged between two concrete slabs (104) along direction across bridge, institute
The first reinforcing bar (140) is stated to be connected with the main reinforcement of the floorings (2)；
Second reinforcing bar (141), second reinforcing bar (141) are connected along vertical bridge to first reinforcing bar (140).
6. more girder formula steel reinforced concretes as claimed in claim 5 combine continuous beams, it is characterised in that: the girder main body (1) includes
Third reinforcing bar (15), the third reinforcing bar (15) are set between two rows of sealing plates (110), and the third reinforcing bar (15) is along vertical
Bridge is to being arranged on all webs (101).
7. more girder formula steel reinforced concretes as claimed in claim 6 combine continuous beam, it is characterised in that: the girder main body (1) is also wrapped
The closure concrete-bar component (16) of multiple groups rectangle is included, closure concrete-bar component (16) is along vertical bridge to set on the adjacent girder
(10) junction between two sealing plates (110) on.
8. more girder formula steel reinforced concretes as claimed in claim 7 combine continuous beam, which is characterized in that the closure concrete-bar component (16)
Include:
First closure reinforcing bar (160), along direction across bridge arrange, it is described first closure reinforcing bar (160) two sides and bottom end respectively with
The third reinforcing bar (15) is connected, and top is connected with second reinforcing bar (141)；
Second closure reinforcing bar (161) is set in first closure reinforcing bar (160) along direction across bridge, the second closure reinforcing bar
(161) top is connected with the top of bottom end difference first closure reinforcing bar (160) with bottom end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810942650.6A CN109183615B (en) | 2018-08-17 | 2018-08-17 | Multi-main-beam type steel-concrete combined continuous beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810942650.6A CN109183615B (en) | 2018-08-17 | 2018-08-17 | Multi-main-beam type steel-concrete combined continuous beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109183615A true CN109183615A (en) | 2019-01-11 |
| CN109183615B CN109183615B (en) | 2020-05-26 |
Family
ID=64918280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810942650.6A Active CN109183615B (en) | 2018-08-17 | 2018-08-17 | Multi-main-beam type steel-concrete combined continuous beam |
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| Country | Link |
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| CN (1) | CN109183615B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112962417A (en) * | 2021-02-25 | 2021-06-15 | 四川省公路规划勘察设计研究院有限公司 | Continuous structure suitable for bent slope and inclined steel plate girder bridge and construction method thereof |
| CN114687448A (en) * | 2022-06-02 | 2022-07-01 | 清华大学 | Transfer beam, building structure and construction method |
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| CN114687448B (en) * | 2022-06-02 | 2022-09-02 | 清华大学 | Transfer beam, building structure and construction method |
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| Publication number | Publication date |
|---|---|
| CN109183615B (en) | 2020-05-26 |
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