CN106677061A - Fabricated aluminum alloy-concrete composite bridge deck - Google Patents
Fabricated aluminum alloy-concrete composite bridge deck Download PDFInfo
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- CN106677061A CN106677061A CN201611159915.2A CN201611159915A CN106677061A CN 106677061 A CN106677061 A CN 106677061A CN 201611159915 A CN201611159915 A CN 201611159915A CN 106677061 A CN106677061 A CN 106677061A
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- Prior art keywords
- aluminum alloy
- plate
- bridge deck
- aluminium alloy
- side plate
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Classifications
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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)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a fabricated aluminum alloy-concrete composite bridge deck. The fabricated aluminum alloy-concrete composite bridge deck comprises an aluminum alloy extruded section panel. The bottom face and the two side faces of the aluminum alloy extruded section panel are each provided with an anode oxide film through anodizing anticorrosion treatment. An isolation layer is formed on the upper surface of the aluminum alloy extruded section panel through smearing. A plurality of vehicle webs are arranged on a bottom plate of the aluminum alloy extruded section panel. The bottom plate and the vertical webs are all provided with a plurality of longitudinal stiffening ribs. Reinforced concrete is poured on the aluminum alloy extruded section panel. A single layer of bidirectional anti-cracking structure steel mesh reinforcements is arranged on an upper concrete layer. The technical problems of severe damages such as rusting, fatigue cracks and poor durability and weather resistance of rolled steel of composite bridge decks in the prior art are solved.
Description
Technical field
The present invention relates to a kind of combined bridge deck, more particularly to a kind of assembled aluminium alloy-concrete combined bridge deck.
Background technology
The combining structure of current China based on steel-concrete combined structure, although steel-concrete combined bridge deck after
Some advantages of steel construction, concrete structure are held, but has also remained some intrinsic shortcomings, and exposed some and new asked
Topic.Particular problem is as follows：
1. the disease such as the corrosion of steel, fatigue crack, durability and weatherability difference is serious.
2. the fatigue of steel reinforced concrete faying face shear pin, breakage problem are protruded, and weaken combination action effect.
3. steel surface need to take regular anti-corrosion measure, and need to maintain for a long time, and later maintenance is costly, economical
Pressure is larger, and the maintenance cost of many engineerings is considerably beyond initial construction cost.
4. structure type is excessively heavy, it is adaptable to the main beam structure of Longspan Bridge, is applied to the deck structrue of bridge
Then lack aesthetic feeling, with surrounding environment it is difficult to coordinate.
The content of the invention
It is an object of the invention to provide a kind of assembled aluminium alloy-concrete combined bridge deck, prior art is solved
The serious technical problems of disease such as the corrosion of the steel of middle combined bridge deck, fatigue crack, durability and weatherability difference.
In order to solve the above problems, the invention provides a kind of assembled aluminium alloy-concrete combined bridge deck, including aluminium
Alloy extrudate panel, the bottom surface and two sides of the aluminum alloy extrusion section bar panel are formed through anodic oxidation preservative treatment
One layer of anode oxide film, the upper surface of the aluminum alloy extrusion section bar panel is brushed with separation layer, the aluminum alloy extrusion section bar face
Some vertical webs are set on the base plate of plate, some longitudinal stiffeners, the aluminium are provided with the base plate and vertical web
Armored concrete is poured on alloy extrudate panel, the concrete upper strata sets single-layer bidirectional cracking resistance distributing bar net.
According to the assembled aluminium alloy-concrete combined bridge deck described in the application preferred embodiment, the aluminium alloy is squeezed
Die mould face plate includes plate and right side plate in left side plate, at least one, and plate, right side plate are passed sequentially through in the left side plate, at least one
Tenon structure is horizontally-spliced.In the present invention, plate during aluminum alloy extrusion section bar panel can include a piece, it is also possible to including polylith
Middle plate, the present invention is not limited, and can be determined according to particular condition in use.
According to the assembled aluminium alloy-concrete combined bridge deck described in the application preferred embodiment, the left side plate, in
Some vertical webs are respectively provided with the bottom panel of plate and the right side plate, some longitudinal directions are respectively provided with the base plate and vertical web
Ribbed stiffener, the connection end of the left side plate, middle plate and the right side plate is provided with connection web, is set on the connection web
There is tenon structure.
According to the assembled aluminium alloy-concrete combined bridge deck described in the application preferred embodiment, the left side plate, in
Be respectively provided with horizonal base plate stiffening rib structure on the bottom panel of plate and the right side plate, the horizonal base plate stiffening rib structure be it is T-shaped,
The horizonal base plate stiffening rib structure includes vertical connection rib and longitudinal stiffener, and the vertical connection rib and longitudinal stiffener are solid
Fixed connection.
According to the assembled aluminium alloy-concrete combined bridge deck described in the application preferred embodiment, the tenon structure
Including tenon and mortise, the tenon is arranged on the top or bottom of the connection web, and the mortise is arranged on the connection
The bottom or top of web.
According to the assembled aluminium alloy-concrete combined bridge deck described in the application preferred embodiment, the aluminium alloy is squeezed
Die mould face plate is 6061 T6 or 6082 T6 trade mark high intensity extrudates.
According to the assembled aluminium alloy-concrete combined bridge deck described in the application preferred embodiment, the anodic oxidation
The thickness of film is not less than 15 μm.
According to the assembled aluminium alloy-concrete combined bridge deck described in the application preferred embodiment, the separation layer is
Pitch, the upper surface brush twice pitch of the aluminum alloy extrusion section bar panel, the gross thickness of the twice pitch is not less than 100 μ
m。
According to the assembled aluminium alloy-concrete combined bridge deck described in the application preferred embodiment, the single-layer bidirectional
A diameter of 8mm~12mm of cracking resistance distributing bar net.
Compared with prior art, there is following technique effect in the present invention：
The present invention provides a kind of assembled aluminium alloy-concrete combined bridge deck, the T6 of prefabrication 6061 first or 6082 T6
Anodic oxidation preservative treatment is done on trade mark high-strength aluminum alloy extrudate panel, its surface, and the thickness of its anode oxide film is not small
In 15 μm；It is by tenon structure that plate and right side plate in the left side plate of aluminum alloy extrusion section bar panel, some pieces is horizontally-spliced again,
Form bridge floor overall with；Then in the pitch of the upper surface brushing twice gross thickness not less than 100 μm of aluminum alloy extrusion section bar panel
Layer, allows that Relative sliding occurs between concrete and aluminum alloy extrusion section bar panel, due to aluminium during combined bridge deck bending deformation
The temperature deformation coefficient of alloy extrudate panel is 2.3 times of concrete, aluminium alloy when combined bridge deck occurrence temperature changes
Sliding can also occur with stress eliminating deformation and temperature second inner force between extrudate panel and concrete；It is last to be squeezed in aluminium alloy
Casting concrete above die mould face plate, and place single-layer bidirectional bar-mat reinforcement to prevent concrete surface from opening on concrete upper strata
Split, so that effective combining structure is formed, the present invention has the advantage that：
1st, aluminium alloy extrusions panel has excellent antiseptic property, and durability and weatherability are strong, without later maintenance, greatly save
Maintenance cost, and it is applicable to the strong environment of corrosivity.
2nd, combining structure form makes full use of the tensile strength of 6061 T6 or 6082 T6 trade mark high-strength aluminum alloy materials
With the compression strength of concrete material, the respective advantage of aluminium alloy and concrete material is effectively played, improved integrally-built
Economy.
3rd, the present invention is fabricated construction, is easy to implement factory normalization production and modularization installation, dismounting, easy construction
Fast, effectively shorten the duration, be conducive to popularization and application.
4th, aluminium alloy extrusions Cross section Design rationally, traditional rivet, bolt, weldering is substituted between floorings by tenon structure
The connected mode such as connect, lateral connection is constructed between being easy to each plate, ensure that lateral connection globality and stability, aluminium alloy type
T-shaped longitudinal floor and longitudinal stiffener on face plate play the effect of WELDING STUDS, and the shearing resistance that can improve combined bridge deck is carried
Ability, prevents delamination and stripping between aluminium alloy and concrete, and upper layer concrete and lower floor's aluminium alloy plate form effectively knot
Conjunction face, cooperation.
5th, aluminium alloy extrusions panel is horizontally-spliced be integrally formed after, can both bear the construction stage external load effect, moreover it is possible to
The bottom template and side template for also serving as casting concrete are used, and save the formwork cost in construction.
6th, bitumen layer of the brushing twice thickness not less than 100 μm between aluminium alloy extrusions panel and top concrete, both may be used
Isolation aluminum alloy materials and concrete material, prevent the alkaline attack aluminum alloy surface of concrete, also in aluminium alloy and concrete
Between form one layer of sliding surface, Relative sliding can occur when combined bridge deck bending deformation and temperature deformation, eliminate structure time
Internal force, structure stress is clear and definite.
7th, the upper strata of concrete sets single-layer bidirectional bar-mat reinforcement, can effectively prevent the Surface layer's concrete of floorings from opening
Split, improve the durability of concrete.
8th, aluminum alloy materials can realize 100% recycling, after dismounting aluminium alloy can whole recycle and reuse, have
Environmental protection feature.
9th, the outer surface of combined bridge deck is aluminium alloy, and outward appearance is beautiful, and landscape effect is good, easily coordinates one with surrounding environment
Cause.
Brief description of the drawings
Fig. 1 is the structural representation of assembled aluminium alloy-concrete combined bridge deck of the present invention；
Fig. 2 is left side plate structure schematic diagram；
Fig. 3 is middle plate structure schematic diagram；
Fig. 4 is the right plate structure schematic diagram；
Fig. 5 is the bottom plate reinforcing rib structure schematic diagram of assembled aluminium alloy-concrete combined bridge deck of the present invention；
Fig. 6 is the vertical web ribbed stiffener schematic diagram of assembled aluminium alloy-concrete combined bridge deck of the present invention；
Fig. 7 A are the vertical web tenon structure one of assembled aluminium alloy-concrete combined bridge deck of the present invention；
Fig. 7 B are the vertical web tenon structure two of assembled aluminium alloy-concrete combined bridge deck of the present invention；
Fig. 8 is the plate connection diagram of assembled aluminium alloy-concrete combined bridge deck of the present invention.
Specific embodiment
Below in conjunction with accompanying drawing, lift a specific embodiment and described in detail.
Fig. 1 is refer to, the present invention provides a kind of assembled aluminium alloy-concrete combined bridge deck, including aluminium alloy extruded
Section bar panel 1, the bottom surface and two sides of aluminum alloy extrusion section bar panel 1 form one layer of anodic oxygen through anodic oxidation preservative treatment
Change film, the upper surface of aluminum alloy extrusion section bar panel 1 is brushed with separation layer, if being set on the base plate 1 of aluminum alloy extrusion section bar panel
Vertical web is done, some longitudinal stiffeners are provided with base plate and vertical web, poured on aluminum alloy extrusion section bar panel
Armored concrete 2, the upper strata of concrete 2 sets single-layer bidirectional cracking resistance distributing bar net.In the present embodiment, aluminum alloy extrusion section bar
Panel 1 is 6061 T6 or 6082 T6 trade mark high intensity extrudates, and the thickness of anode oxide film is not less than 15 μm.Separation layer is
Pitch, the upper surface brush twice pitch of aluminum alloy extrusion section bar panel, the thickness of twice pitch is not less than 100 μm.Single-layer bidirectional
A diameter of 8mm~12mm of cracking resistance distributing bar net.Above-mentioned parameter is only the preferred parameter of the present embodiment, but the present invention not office
It is limited to this.
Aluminum alloy extrusion section bar panel 1 includes plate 12 and right side plate 13 in left side plate 11, at least one, left side plate 11, at least
Plate 12 in one, that right side plate 13 passes sequentially through tenon structure is horizontally-spliced.In the present embodiment, left side plate 11, middle plate 12 and the right
Some vertical webs 113 are respectively provided with the bottom panel of plate 13, some longitudinal stiffeners, the left side are respectively provided with base plate and vertical web
The connection end of plate 11, middle plate 12 and right side plate 13 is provided with connection web, and tenon structure is provided with connection web.The present invention
The number of centering plate is not limited, and can be determined according to particular condition in use, for the ease of clearer this combined bridge deck of description,
The present embodiment is illustrated as a example by plate in selecting one piece to structure of the invention.
Fig. 2 is refer to, left side plate 11 includes horizonal base plate 111 and some vertical webs 113, and some vertical webs 113 set
Put on horizonal base plate 111, some longitudinal stiffeners are provided with horizonal base plate 111 and some vertical webs 113.In this reality
Apply in example, the longitudinal stiffener on horizonal base plate 111 forms T type structures on horizonal base plate, this T types structure is horizonal base plate
Stiffening rib structure 112.The left side of horizonal base plate 111 is outer end, and a left web is set on this outer end, is not provided with this left web
Tenon structure, right-hand member is set to connect web, and this connection web is vertical, and mortise and tenon knot is provided with the outside of this connection web
Structure, tenon structure includes tenon 115 and mortise 114, and tenon 115 is arranged on the top or bottom of connection web, and mortise 114 is set
It is the outside for being disposed on connection web up and down in the bottom or top of connection web, i.e. tenon 115 and mortise 114, extremely
Then tenon 115 is arranged on top or mortise 114 is arranged on top, and the present invention is not particularly limited, can be according to specific assembling
Demand is determined.In the present embodiment, the lower surface of left side plate 111 and the left web outside for being not provided with tenon structure are passed through
Anodic oxidation preservative treatment.
Fig. 3 is refer to, the structure of middle plate 112 is similar with the structure of left side plate 111, because middle plate 112 should be with left side plate
111 connections, are connected with right side plate 113 again, therefore the two ends of middle plate 112 are connection end, and the connection end at two ends is disposed as
Tenon structure, the tenon structure at this two ends is adapted to left side plate 111 and right side plate 113 respectively.In the present embodiment, middle plate 112
Lower surface by anodic oxidation preservative treatment.
Fig. 4 is refer to, the structure of right side plate 113 is similar to the structure of left side plate 111 and middle plate 112, the right side of right side plate 113
Hold to be not provided with the outer end of tenon structure, left end is the connection end for being provided with tenon structure, the tenon structure of this connection end with
The tenon structure adaptation of the connection end of middle plate.In the present embodiment, the lower surface of right side plate 113 and it is not provided with tenon structure
Right web outside is by anodic oxidation preservative treatment.
Fig. 2, Fig. 3, Fig. 4, Fig. 7 A and Fig. 7 B are refer to, its sectional dimension meets claimed below：
1）Left side plate 111, middle plate 112 and the baseplate width B of right side plate 113 are 250mm~400mm, and vertical web height H is
100mm~250mm, but the left web of left side plate 111, the right web height of right side plate 113 H0 higher than middle pectoral plate, H0 take 50mm, with
Just used as the template of casting concrete；
2）Horizonal base plate thickness t1 is 15mm~30mm, and vertical web thickness t2 is 10mm~15mm；
3）Vertical web spacing L1 is 50mm~100mm, depending on baseplate width；
4）Horizonal base plate puts more energy into rib thickness t3 for 8mm~15mm, and height h1 is 10mm~25mm, and ribbed stiffener top ledge is long
Degree h3 is 3mm~5mm, and thickness t4 is 3mm~5mm.Spacing L2 and ribbed stiffener and adjacent two vertical abdomens between ribbed stiffener
Spacing L3, L4 of plate is not less than 30mm, to ensure that coarse aggregate can be poured smoothly during casting concrete；
5）The sash rib thickness t5 of vertical web is 3mm~5mm, and width h4 is 3mm~5mm.Rib spacing of putting more energy into L5 is
30mm~50mm, depending on ribbed stiffener quantity is with specific reference to web height；
6）As shown in Figure 8, mortise and tenon root thickness t6 is 3mm~10mm to tenon structure between plate, root height h6 be 5mm~
10mm, mortise and tenon top projection thickness t7 are 3mm~5mm, and prominent length h7 is 3mm~10mm.Bottom mortise and tenon hole position is the bottom of in
In the middle of plate, it is 10mm apart from bottom surface L6；Top Tenon pitch-row is 20mm, top mortise and tenon hole vulnerable area thickness t8 from top surface L7
No less than 10mm.
Disclosed above is only a specific embodiment of the application, but the application is not limited to this, any this area
Technical staff can think change, should all fall in the protection domain of the application.
Claims (9)
1. a kind of assembled aluminium alloy-concrete combined bridge deck, it is characterised in that including aluminum alloy extrusion section bar panel, institute
The bottom surface and two sides for stating aluminum alloy extrusion section bar panel form one layer of anode oxide film through anodic oxidation preservative treatment, described
The upper surface of aluminum alloy extrusion section bar panel is brushed with separation layer, sets some perpendicular on the base plate of the aluminum alloy extrusion section bar panel
To web, some longitudinal stiffeners are provided with the base plate and vertical web, are poured on the aluminum alloy extrusion section bar panel
Armored concrete is built, the concrete upper strata sets single-layer bidirectional cracking resistance distributing bar net.
2. assembled aluminium alloy-concrete combined bridge deck as claimed in claim 1, it is characterised in that the aluminium alloy is squeezed
Die mould face plate includes plate and right side plate in left side plate, at least one, and plate, right side plate are passed sequentially through in the left side plate, at least one
Tenon structure is horizontally-spliced.
3. assembled aluminium alloy-concrete combined bridge deck as claimed in claim 2, it is characterised in that the left side plate, in
Some vertical webs are respectively provided with the bottom panel of plate and the right side plate, some longitudinal directions are respectively provided with the base plate and vertical web
Ribbed stiffener, the connection end of the left side plate, middle plate and the right side plate is provided with connection web, is set on the connection web
There is tenon structure.
4. assembled aluminium alloy-concrete combined bridge deck as claimed in claim 3, it is characterised in that the left side plate, in
Be respectively provided with horizonal base plate stiffening rib structure on the bottom panel of plate and the right side plate, the horizonal base plate stiffening rib structure be it is T-shaped,
The horizonal base plate stiffening rib structure includes vertical connection rib and longitudinal stiffener, and the vertical connection rib and longitudinal stiffener are solid
Fixed connection.
5. assembled aluminium alloy-concrete combined bridge deck as claimed in claim 3, it is characterised in that the tenon structure
Including tenon and mortise, the tenon is arranged on the top or bottom of the connection web, and the mortise is arranged on the connection
The bottom or top of web.
6. assembled aluminium alloy-concrete combined bridge deck as claimed in claim 1, it is characterised in that the aluminium alloy is squeezed
Die mould face plate is 6061 T6 or 6082 T6 trade mark high intensity extrudates.
7. assembled aluminium alloy-concrete combined bridge deck as claimed in claim 1, it is characterised in that the anodic oxidation
The thickness of film is not less than 15 μm.
8. assembled aluminium alloy-concrete combined bridge deck as claimed in claim 1, it is characterised in that the separation layer is
Pitch, the upper surface brush twice pitch of the aluminum alloy extrusion section bar panel, the gross thickness of the twice pitch is not less than 100 μ
m。
9. assembled aluminium alloy-concrete combined bridge deck as claimed in claim 1, it is characterised in that the single-layer bidirectional
A diameter of 8mm~12mm of cracking resistance distributing bar net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611159915.2A CN106677061A (en) | 2016-12-15 | 2016-12-15 | Fabricated aluminum alloy-concrete composite bridge deck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611159915.2A CN106677061A (en) | 2016-12-15 | 2016-12-15 | Fabricated aluminum alloy-concrete composite bridge deck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106677061A true CN106677061A (en) | 2017-05-17 |
Family
ID=58868960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611159915.2A Pending CN106677061A (en) | 2016-12-15 | 2016-12-15 | Fabricated aluminum alloy-concrete composite bridge deck |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661166A (en) * | 2018-07-04 | 2018-10-16 | 西南交通大学 | A kind of aluminium alloy truss node and concrete connecting structure and its installation method |
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| US4615166A (en) * | 1982-08-31 | 1986-10-07 | G. Maunsell & Partners | Structural panel |
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Application publication date: 20170517 |