CN106223185A - There is multi-layer concrete plate combination beam and the WELDING STUDS method for designing of WELDING STUDS group - Google Patents
There is multi-layer concrete plate combination beam and the WELDING STUDS method for designing of WELDING STUDS group Download PDFInfo
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- CN106223185A CN106223185A CN201610573564.3A CN201610573564A CN106223185A CN 106223185 A CN106223185 A CN 106223185A CN 201610573564 A CN201610573564 A CN 201610573564A CN 106223185 A CN106223185 A CN 106223185A
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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
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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
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- Engineering & Computer Science (AREA)
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- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a kind of multi-layer concrete plate combination beam with WELDING STUDS group and WELDING STUDS method for designing, relate to science of bridge building the realm of building construction, the multi-layer concrete plate combination beam with WELDING STUDS group includes the concrete slab that at least two-layer laminate is arranged；At least one girder steel, girder steel includes top flange, and top flange supports bottom concrete slab；Meanwhile, WELDING STUDS group includes organizing WELDING STUDS more, and every layer concrete plate is equipped with one group of WELDING STUDS, WELDING STUDS includes ailhead and nail body, all being embedded in the concrete slab of equivalent layer with the ailhead of the WELDING STUDS of group, the nail body often organizing WELDING STUDS is all connected to top flange, and the structure with the WELDING STUDS of group is identical.The ailhead of each group of WELDING STUDS is less than the 2/3 of respective slabs thickness to the distance of the concrete slab bottom surface burying this ailhead underground.The present invention solves bilayer or the stress problem of multi-layer concrete plate combination beam key.
Description
Technical field
The present invention relates to science of bridge building the realm of building construction, be specifically related to a kind of multi-layer concrete plate with WELDING STUDS group
Combination beam and WELDING STUDS method for designing.
Background technology
Steel-concrete composite beam is the structure combined by WELDING STUDS and armoured concrete slab by girder steel.Conventional
Steel-concrete composite beam, floorings are integral prefabricated, use the integral prefabricated rear mode combined, limited by lift heavy, floorings and steel
Beam separately lifting, adds lifting number of times, increases Contraction in Site amount simultaneously, increases water pollution, atmospheric pollution and consolidates
The risk of body waste pollution, causes urban transportation and has a strong impact on.
Due to being continuously increased of the volume of traffic and heavy vehicle, add the impact of environment, conventional steel-concrete composite beam
Shortly occur that armored concrete wing plate longitudinal cracking, reinforced concrete bridge deck plate Transverse Cracks, floorings local is broken in operation
Split or the problem such as burn into girder steel corrosion, have a strong impact on the service life of bridge.And steel-concrete composite beam floorings are at horizontal stroke
During cantilever force, anti-starting ability and can not meet force request, the floorings constructed in advance are easily started and are occurred
Destroy.
Summary of the invention
For defect present in prior art, it is an object of the invention to provide a kind of multilamellar with WELDING STUDS group and mix
Concrete board combination beam and WELDING STUDS method for designing, it is ensured that the Shear transfer between each layer floorings and girder steel meets the same of requirement
Time, ensure that again floorings are not started under horizontal cantilever Moment.
For reaching object above, the present invention adopts the technical scheme that:
A kind of multi-layer concrete plate combination beam with WELDING STUDS group, including:
The concrete slab that at least two-layer laminate is arranged；
At least one girder steel, described girder steel includes top flange, and described top flange supports bottom described concrete slab；
Meanwhile, described WELDING STUDS group includes organizing WELDING STUDS more, and every layer concrete plate is equipped with one group of WELDING STUDS, described shearing
Nail includes ailhead and nail body, is all embedded in the concrete slab of equivalent layer with the ailhead of the described WELDING STUDS of group, often organizes WELDING STUDS
Nail body be all connected to described top flange.
On the basis of technique scheme, the structure with the WELDING STUDS of group is identical.
On the basis of technique scheme, the ailhead of each group of WELDING STUDS is to the concrete slab bottom surface burying this ailhead underground
Distance is less than the 2/3 of respective slabs thickness.
On the basis of technique scheme, described girder steel includes web, and what described top flange was vertical is mounted on described abdomen
On plate, described WELDING STUDS group is arranged symmetrically with along described web.
On the basis of technique scheme, the WELDING STUDS of a kind of multi-layer concrete plate combination beam with WELDING STUDS group sets
Meter method, it is characterised in that:
S1, determine the number of plies of described multi-layer concrete plate, calculate the shearing between each layer concrete plate, and multilamellar coagulation
Shearing between soil plate and girder steel；
S2, according to the shearing between multi-layer concrete plate and girder steel, WELDING STUDS nail body diameter in selected each layer concrete plate
With ailhead diameter, determine shearing and withdrawal resistance that WELDING STUDS can bear；
S3, the shearing that can bear according to WELDING STUDS in selected each layer concrete plate and withdrawal resistance, determine each layer concrete plate
The WELDING STUDS quantity needed.
On the basis of technique scheme, in S1, first determine that the concrete slab number of plies is n, further according to Concrete cover
Number calculates maximum load suffered by concrete slab combination beam, and calculating shearing suffered by the i-th layer concrete plate is Ti, multi-layer concrete plate with
Shearing T between girder steelX；
In S2, according to shearing T suffered by the i-th layer concrete platei, WELDING STUDS nail body diameter in selected i-th layer concrete plate
For Di, a diameter of d of ailheadi, shearing Δ T that described WELDING STUDS can beariWith withdrawal resistance Δ Fi, wherein i=1,2,
3......n, n=2,3.......
On the basis of technique scheme, in S3, WELDING STUDS nail body quantity needed for the i-th layer concrete plateWherein i=1,2,3......n, TiIt is shearing suffered by the i-th layer concrete plate, Δ TiCan hold for described WELDING STUDS
The shearing being subject to.
On the basis of technique scheme, in the i-th layer concrete plate, the quantity of ailhead is nI head=nI body-nI-1 body, wherein i
=1,2,3......n, nI bodyIt is WELDING STUDS nail body quantity needed for the i-th layer concrete plate, nI-1 bodyNeeded for being the i-th-1 layer concrete plate
WELDING STUDS nail body quantity.
Compared with prior art, it is an advantage of the current invention that:
The multi-layer concrete plate combination beam with WELDING STUDS group of the present invention and WELDING STUDS method for designing select different size
WELDING STUDS be combined into a kind of WELDING STUDS group, solve bilayer or the crucial stress problem of multi-layer concrete floorings combination beam.
Accompanying drawing explanation
Fig. 1 is the WELDING STUDS group structure schematic diagram of double layer concrete plate combination beam in the embodiment of the present invention；
Fig. 2 be in the embodiment of the present invention WELDING STUDS group of double layer concrete plate combination beam along the top view in ailhead direction；
Fig. 3 is the WELDING STUDS group structure schematic diagram of multi-layer concrete plate combination beam in the embodiment of the present invention；
Fig. 4 be in the embodiment of the present invention WELDING STUDS group of multi-layer concrete plate combination beam along the top view in ailhead direction；
In figure: 1-girder steel, 101-top flange, 102-lower flange, 103-web, 2-bottom concrete plate, 3-concrete surface
Plate, 4-WELDING STUDS group, 41-bottom WELDING STUDS, 42-panel WELDING STUDS, 43-the first WELDING STUDS, 44-the second WELDING STUDS, 45-the 3rd
WELDING STUDS, 46-the 4th WELDING STUDS, 7-ground floor concrete slab, 8-second layer concrete slab, 9-third layer concrete slab, 10-
Four layer concrete plates.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
The embodiment of the present invention provides a kind of multi-layer concrete plate combination beam with WELDING STUDS group, including:
The concrete slab that at least two-layer laminate is arranged；
At least one girder steel 1, girder steel 1 includes that top flange 101, top flange 101 are supported in bottom concrete slab；
Meanwhile, WELDING STUDS group 4 includes organizing WELDING STUDS more, and every layer concrete plate is equipped with one group of WELDING STUDS, and WELDING STUDS includes
Ailhead and nail body, be all embedded in the concrete slab of equivalent layer with the ailhead of the WELDING STUDS of group, and the nail body often organizing WELDING STUDS all connects
It is connected to top flange 101.
Structure with the WELDING STUDS of group is identical.
The ailhead of each group of WELDING STUDS is thick less than respective slabs to the distance of the concrete slab bottom surface burying this ailhead underground
The 2/3 of degree.
Girder steel 1 includes web 103, and what top flange 101 was vertical is mounted on web 103, and WELDING STUDS group 4 is right along web 103
Claim to arrange.
A kind of WELDING STUDS method for designing of the multi-layer concrete plate combination beam with WELDING STUDS group, it is characterised in that:
S1, determine the number of plies of multi-layer concrete plate, calculate the shearing between each layer concrete plate, and multi-layer concrete plate
And the shearing between girder steel；
S2, according to the shearing between multi-layer concrete plate and girder steel, each layer concrete plate can be selected from technical manual
Interior WELDING STUDS nail body diameter and ailhead diameter, determines shearing and withdrawal resistance that WELDING STUDS can bear；
S3, the shearing that can bear according to WELDING STUDS in selected each layer concrete plate and withdrawal resistance, determine each layer concrete plate
The WELDING STUDS quantity needed.
In S1, according to concrete slab thickness, the Lifting Capacity of lifting machine and the deliverability of concrete, first determine mixed
The concrete board number of plies is n, calculates maximum load suffered by concrete slab combination beam further according to the concrete slab number of plies, calculates i-th layer of coagulation
Shearing suffered by soil plate is Ti, shearing T between multi-layer concrete plate and girder steelX；
In S2, according to shearing T suffered by the i-th layer concrete platei, WELDING STUDS nail body diameter in selected i-th layer concrete plate
For Di, a diameter of d of ailheadi, shearing Δ T that described WELDING STUDS can beariWith withdrawal resistance Δ Fi, wherein i=1,2,
3......n, n=2,3.......
In S3, WELDING STUDS nail body quantity needed for the i-th layer concrete plateWherein i=1,2,3......n, Ti
It is shearing suffered by the i-th layer concrete plate, Δ TiThe shearing that can bear for WELDING STUDS.
In i-th layer concrete plate, the quantity of ailhead is nI head=nI body-nI-1 body, wherein i=1,2,3......n, nI bodyIt is i-th
WELDING STUDS nail body quantity, n needed for layer concrete plateI-1 bodyIt is WELDING STUDS nail body quantity needed for the i-th-1 layer concrete plate.
The specific embodiment of the invention 1 is as it is shown in figure 1, double layer concrete plate combination beam includes some girder steels 1 arranged side by side, girder steel
1 includes top flange 101, lower flange 102 and web 103, and upper end, top flange 101 is provided with bottom concrete plate 2, on top flange 101
End face is provided with WELDING STUDS group 4, and bottom concrete plate 2 upper end is laid with concrete slab 3, and WELDING STUDS group 4 includes bottom WELDING STUDS
41 and panel WELDING STUDS 42, it is illustrated in figure 2 the top view of embodiment 1, bottom WELDING STUDS 41 and panel WELDING STUDS 42 and is arranged into
Rectangle.
The specific embodiment of the invention 2 is as it is shown on figure 3, multi-layer concrete plate combination beam includes some girder steels 1 arranged side by side, girder steel
1 includes that top flange 101, lower flange 102 and web 103, upper end, top flange 101 are provided with ground floor concrete slab 7, top flange 101
Upper surface is provided with WELDING STUDS group 4, and ground floor concrete slab 7 upper end is laid with second layer concrete slab 8, third layer concrete successively
Plate the 9, the 4th layer concrete plate 10, WELDING STUDS group 4 includes first WELDING STUDS the 43, second WELDING STUDS 44, the 3rd WELDING STUDS 45 and
Four WELDING STUDSs 46, these four kinds of WELDING STUDS ailheads lay respectively at ground floor concrete slab 7, second layer concrete slab 8, third layer coagulation
In soil plate 9 and the 4th layer concrete plate 10, it is illustrated in figure 4 the top view of embodiment 2, first WELDING STUDS the 43, second WELDING STUDS
44, the 3rd WELDING STUDS 45 and the 4th WELDING STUDS 46 are arranged into rectangle, and height arrangement straggly.
Double-deck or multi-layer concrete plate combination beam is to consider that construction is convenient, reduce interference, reduce concrete supply wants
Seek, meet a kind of type of bridge of the structure stress adaptation rapid transformation in city, concrete slab is layered, bottom floorings
Using prefabricated bridge, on it, each layer uses the combinative structure of cast-in-place floorings.After bottom floorings are combined with girder steel, can conduct
Template, pours the cast-in-place floorings of each layer on it at the scene, and the final cast-in-place floorings of each layer and bottom floorings form entirety, and lead to
Cross WELDING STUDS group to be combined with girder steel.This bridge structure realizes Light-duty Structural, prefabricated and prefabricated construction, site operation speed
The features such as degree is fast, the cycle is short, take up an area less, noise is low, have substantially no effect on the original traffic in city.
The present invention is not limited to above-mentioned embodiment, for those skilled in the art, without departing from
On the premise of the principle of the invention, it is also possible to make some improvements and modifications, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (8)
1. a multi-layer concrete plate combination beam with WELDING STUDS group, it is characterised in that including:
The concrete slab that at least two-layer laminate is arranged；
At least one girder steel (1), described girder steel (1) includes that top flange (101), described top flange (101) support described concrete slab
Bottom；
Meanwhile, described WELDING STUDS group (4) includes organizing WELDING STUDS more, and every layer concrete plate is equipped with one group of WELDING STUDS, described shearing
Nail includes ailhead and nail body, is all embedded in the concrete slab of equivalent layer with the ailhead of the described WELDING STUDS of group, often organizes WELDING STUDS
Nail body be all connected to described top flange (101).
There is the multi-layer concrete plate combination beam of WELDING STUDS group the most as claimed in claim 1, it is characterised in that: with the shearing of group
The structure of nail is identical.
There is the multi-layer concrete plate combination beam of WELDING STUDS group the most as claimed in claim 1, it is characterised in that: each group of shearing
The ailhead of nail is less than the 2/3 of respective slabs thickness to the distance of the concrete slab bottom surface burying this ailhead underground.
There is the multi-layer concrete plate combination beam of WELDING STUDS group the most as claimed in claim 1, it is characterised in that: described girder steel
(1) including web (103), what described top flange (101) were vertical is mounted on described web (103), described WELDING STUDS group (4) edge
Described web (103) is arranged symmetrically with.
5. the WELDING STUDS design of the multi-layer concrete plate combination beam with WELDING STUDS group as described in claim 1-4 any one
Method, it is characterised in that:
S1, determine the number of plies of described multi-layer concrete plate, calculate the shearing between each layer concrete plate, and multi-layer concrete plate
And the shearing between girder steel；
S2, according to the shearing between multi-layer concrete plate and girder steel, WELDING STUDS nail body diameter and nail in selected each layer concrete plate
Head diameter, determines shearing and withdrawal resistance that WELDING STUDS can bear；
S3, the shearing that can bear according to WELDING STUDS in selected each layer concrete plate and withdrawal resistance, determine each layer concrete plate needs
WELDING STUDS quantity.
Having the WELDING STUDS method for designing of the multi-layer concrete plate combination beam of WELDING STUDS group the most as claimed in claim 5, it is special
Levy and be: in S1, first determine that the concrete slab number of plies is n, calculate suffered by concrete slab combination beam further according to the concrete slab number of plies
Maximum load, calculating shearing suffered by the i-th layer concrete plate is Ti, shearing T between multi-layer concrete plate and girder steelX；
In S2, according to shearing T suffered by the i-th layer concrete platei, the WELDING STUDS nail a diameter of D of body in selected i-th layer concrete platei、
The a diameter of d of ailheadi, shearing Δ T that described WELDING STUDS can beariWith withdrawal resistance Δ Fi, wherein i=1,2,3......n, n=
2、3......。
Having the WELDING STUDS method for designing of the multi-layer concrete plate combination beam of WELDING STUDS group the most as claimed in claim 6, it is special
Levy and be: in S3, WELDING STUDS nail body quantity needed for the i-th layer concrete plateWherein i=1,2,3......n, Ti
It is shearing suffered by the i-th layer concrete plate, Δ TiThe shearing that can bear for described WELDING STUDS.
Having the WELDING STUDS method for designing of the multi-layer concrete plate combination beam of WELDING STUDS group the most as claimed in claim 7, it is special
Levy and be: in the i-th layer concrete plate, the quantity of ailhead is nI head=nI body-nI-1 body, wherein i=1,2,3......n, nI bodyIt it is i-th layer
WELDING STUDS nail body quantity, n needed for concrete slabI-1 bodyIt is WELDING STUDS nail body quantity needed for the i-th-1 layer concrete plate.
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| CN201610573564.3A CN106223185B (en) | 2016-07-21 | 2016-07-21 | Multi-layer concrete plate combination beam and WELDING STUDS design method with WELDING STUDS group |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515975A (en) * | 2017-08-11 | 2017-12-26 | 武汉理工大学 | The ultimate shear bearing capacity computation method of cluster type length WELDING STUDS |
| CN109440628A (en) * | 2018-11-11 | 2019-03-08 | 中铁二院工程集团有限责任公司 | Connecting structure between assembled steel web and precast slab |
| CN110273552A (en) * | 2019-06-25 | 2019-09-24 | 中交一公局集团有限公司 | Tool for improving positioning precision of shear nail |
| CN112962416A (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 | Steel plate girder bridge suitable for mountain area construction and construction method thereof |
| CN114319080A (en) * | 2022-01-17 | 2022-04-12 | 宁波市高等级公路建设管理中心 | High strength bent cap structure based on UHPC shell |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515975A (en) * | 2017-08-11 | 2017-12-26 | 武汉理工大学 | The ultimate shear bearing capacity computation method of cluster type length WELDING STUDS |
| CN107515975B (en) * | 2017-08-11 | 2019-10-25 | 武汉理工大学 | The ultimate shear bearing capacity computation method of cluster type length WELDING STUDS |
| CN109440628A (en) * | 2018-11-11 | 2019-03-08 | 中铁二院工程集团有限责任公司 | Connecting structure between assembled steel web and precast slab |
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| CN114319080A (en) * | 2022-01-17 | 2022-04-12 | 宁波市高等级公路建设管理中心 | High strength bent cap structure based on UHPC shell |
| CN114319080B (en) * | 2022-01-17 | 2024-06-04 | 宁波市高等级公路建设管理中心 | High strength bent cap structure based on UHPC shell |
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