CN208803373U - A kind of steel plate concrete combined bridge deck structure - Google Patents
A kind of steel plate concrete combined bridge deck structure Download PDFInfo
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- CN208803373U CN208803373U CN201821325414.1U CN201821325414U CN208803373U CN 208803373 U CN208803373 U CN 208803373U CN 201821325414 U CN201821325414 U CN 201821325414U CN 208803373 U CN208803373 U CN 208803373U
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Abstract
The utility model relates to technical field of bridge engineering, and in particular to a kind of steel plate concrete combined bridge deck structure；Including floorings, floorings are equipped with shearing resistance enhancing structure, floorings and shearing resistance enhancing structure and are wrapped up integrally by the concrete layer being cast on floorings.The utility model has the beneficial effects that: provide a kind of steel plate concrete combined bridge deck structure, there are the advantages such as small, light weight, overall stiffness is big, bearing capacity is strong, interlayer adhesion is good, antiskid, endurance, durability are good of being self-possessed.
Description
Technical field
The utility model relates to technical field of bridge engineering, and in particular to a kind of steel plate concrete combined bridge deck structure.
Background technique
Floorings are the important components that loads various on bridge floor are transmitted to girder, directly bear the work repeatedly of wheel load
With being one of damageable zone of bridge structure.Currently, common floorings are divided into concrete slab, steel bridge deck in engineering
Three kinds of combined bridge deck is mixed with steel-.Wherein, steel-mix combined bridge deck by shear connector by steel in conjunction with concrete structure
It is integral, steel plate tensile strength height and the good feature of concrete anti-compression performance can be given full play to, while being also avoided that concrete bridge
Panel from great, tension is easy to crack, steel bridge deck fatiguability cracking, pave-load layer cracky the problems such as, in recent years in science of bridge building
In application it is increasingly extensive.
Currently, it is the light water in one layer of 20-30cm thickness of plain plate upper that most widely used steel-, which mixes combined bridge deck,
The bituminous concrete of cement concrete and two layers of 10cm thickness.The structural system has the following deficiencies: one is entire combination
Deck structrue system thickness is larger, is self-possessed larger.The second is between plain plate and portland cement concrete, concrete and pitch
Bad adhesion between layer, it is easy to aging, lead to problems such as paving steel bridge deck generate delamination, pit slot.
Utility model content
The technical problem to be solved by the present invention is to existing steel plate concrete combined bridge decks from great, the layer of structure
Between bad adhesion.
In order to solve the above technical problems, technical solution adopted in the utility model is:
A kind of steel plate concrete combined bridge deck structure, including floorings, floorings are equipped with shearing resistance enhancing structure, bridge floor
Plate and shearing resistance enhancing structure are wrapped up integral by the concrete layer being cast on floorings.
In the above-mentioned technical solutions, floorings, shearing resistance enhancing structure and concrete layer package are integrated, cooperative bearing, knot
The overall stiffness of structure is big, bearing capacity is strong, can also effectively reduce the thickness of concrete layer in this way, reduces bridge floor under load action
The strain amplitude of plate improves the loading characteristic of top paving structure layer.
Further, the floorings are in wave shape, and including several opening up trough plates, the trough rim of trough plate is tilted
The adjacent notch edge of arrangement, two trough plates is connected by plate, and trough plate is integrally formed or is welded as a whole with plate.
Further, the shearing resistance enhancing structure includes the first steel plate and reinforces through several the first of the first steel plate face
Reinforcing bar, the edges of boards of the first steel plate and the internal perisporium of trough plate weld and the plate face of the first steel plate and the inner peripheral wall of trough plate are hung down
Directly, along flute length direction, parallel interval is evenly arranged several first steel plates in the vallecular cavity of trough plate.
Further, the shearing resistance enhancing structure includes the second steel plate and reinforces through several the second of the second steel plate face
Reinforcing bar, the second steel plate and plate welding, and the second steel plate is that the long in the same direction, plate face of plate is arranged vertically with plate.
Further, the shearing resistance enhancing structure includes the WELDING STUDS being welded on trough plate bottom plate, the first stiffener,
Second stiffener and WELDING STUDS are spatially mutually perpendicular to interlaced arrangement.
It by the reasonable Arrangement of shearing resistance enhancing structure, is not produced relative sliding between concrete and steel plate, ensure that coagulation
The common whole stress of soil layer and floorings.
Further, the trough plate and plate with a thickness of 8~12mm, the spacing between two adjacent first steel plates is 1
~2m, concrete layer with a thickness of 100~150mm.
Further, design compression strength >=50MPa of the concrete layer, bending tensile strength >=8MPa.
Further, further include the water-proof tack coat being sprayed on concrete layer, water-proof tack coat with a thickness of 0.3~
0.8mm。
It further, further include the wearing course being laid on water-proof tack coat, for wearing course with a thickness of 8~10mm, waterproof is viscous
It ties and is connected between layer and wearing course by binder.
Water-proof tack coat is connected with wearing course using binder, is avoided that rainwater is penetrated into from concrete layer, and corrode lower part
Shear connector and steel plate.The structure sheaf energy slippery traffic surface, and improve the wear-resisting property of bridge floor.
Further, further include the confining bed being sprayed on wearing course, confining bed with a thickness of 0.3~0.5mm.
The effect of the confining bed is to reinforce the globality of wearing course, increases wearing course surface resin film thickness, improve
The wearability and durability of wearing course.
The utility model has the beneficial effects that: a kind of steel plate concrete combined bridge deck structure is provided, small with self weight,
The advantages such as light weight, overall stiffness are big, bearing capacity is strong, interlayer adhesion is good, antiskid, endurance, durability are good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the partial structure diagram of the utility model embodiment；
Fig. 3 is the schematic cross-sectional view of the utility model embodiment.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing 1-3.
Embodiment 1:
It is as shown in Figs. 1-3: a kind of steel plate concrete combined bridge deck structure, including floorings 10, shearing resistance enhancing structure (figure
Do not indicate), concrete layer 30.
Floorings 10 are equipped with shearing resistance enhancing structure, and floorings 10 and shearing resistance enhancing structure are by being cast on floorings 10
Concrete layer 30 wrap up integrally.
The floorings 10 are in wave shape, and including several opening up trough plates 11, the trough rim of trough plate 11 tilts cloth
It sets, the adjacent notch edge of two trough plates 11 is connected by plate 12, and trough plate 11 is integrally formed or is welded as with plate 12
One.
The shearing resistance enhancing structure includes the first steel plate 21 and several first stiffeners through 21 plate face of the first steel plate
22, internal perisporium welding and the plate face of first steel plate 21 and the internal perisporium of trough plate 11 of the edges of boards of the first steel plate 21 with trough plate 11
Face is vertical, and along flute length direction, parallel interval is evenly arranged several first steel plates 21 in the vallecular cavity of trough plate 11.Adjacent two first
The distance between stiffener is 10-15cm.
The shearing resistance enhancing structure includes the second steel plate 23 and several second stiffeners through 23 plate face of the second steel plate
24, the second steel plate 23 is welded with plate 12, and the second steel plate 23 is that the long in the same direction, plate face of plate is arranged vertically with plate 12.Adjacent two
The distance between second stiffener is 60-80cm.
The shearing resistance enhancing structure includes several WELDING STUDSs 25 being welded on 11 bottom plate of trough plate, the first stiffener
22, the second stiffener 24 and WELDING STUDS 25 are spatially mutually perpendicular to interlaced arrangement.
The trough plate 11 and plate 12 with a thickness of 8~12mm, the spacing between two adjacent first steel plates 21 is 1~
2m, concrete layer 30 with a thickness of 100~150mm.
30 material therefor of concrete layer is the cement base powder concrete of vinal enhancing, PVA fiber
Volume is 1.0-1.5kg/m3.Cement base powder concrete includes the raw material of following weight fraction: 425 or 525 normal silicates
Cement 15.98%, sulphur aluminum water mud 2.83%, flyash 2.55%, slag micropowder 1.70%, water-reducing agent 0.42%, defoaming agent
0.23%, yellow ground 31.46%, graded broken stone 36.77%, surplus are water.Concrete layer the preparation method comprises the following steps: by polyvinyl alcohol fibre
Dimension is mixed evenly with cement base powder concrete proportion.
Design compression strength >=50MPa of the concrete layer 30, bending tensile strength >=8MPa.
Embodiment 2:
As shown in Figure 1-3, the present embodiment 2 difference from example 1 is that: further include being sprayed on concrete layer 30
Water-proof tack coat 40, water-proof tack coat 40 with a thickness of 0.3~0.8mm.
When mating formation, the laitance and sundries of concrete surface are first removed using finish-milling plane equipment or from walking shot-blast apparatus, it
The even application water-proof bond material on concrete layer 30 afterwards, quantity for spray 0.3kg-0.8kg/m2。
Water-proof bond material used in the water-proof tack coat 40 is the polymer-modified resin material of low viscosity Thief zone, by woods
The production of Hua Suo Nanjing Scientific developing head office, product type CBR-200.
Embodiment 3:
As shown in Figure 1-3, the present embodiment 3 difference from example 1 is that: further include being laid on water-proof tack coat 40
On wearing course 50, wearing course 50 with a thickness of 8~10mm, between water-proof tack coat 40 and wearing course 50 pass through binder connect.
The method for paving of the wearing course 50 is as follows: the glue stone ratio of case 10-15% is by polymer-modified plastic bonding material
Material is uniformly mixed with 0-5mm Stone, is paved on water-proof tack coat later, and is compacted.
The polymer-modified plastic bonding material is produced by Lin Huasuo Nanjing Scientific developing head office, and product type is
CSR-200。
The binder are as follows: polyurethane-modified flexible-epoxy.
Embodiment 4:
As shown in Figure 1-3, the present embodiment 3 difference from example 1 is that: further include being sprayed on wearing course 50
Confining bed 60, confining bed 60 with a thickness of 0.3~0.5mm.The same water-proof tack coat of confining bed material therefor, quantity for spray
0.3kg-0.5kg/m2。
Claims (10)
1. a kind of steel plate concrete combined bridge deck structure, it is characterised in that: including floorings (10), floorings (10) are equipped with
Shearing resistance enhancing structure, floorings (10) and shearing resistance enhancing structure are wrapped up by the concrete layer (30) being cast on floorings (10)
Integrally.
2. steel plate concrete combined bridge deck structure according to claim 1, it is characterised in that: the floorings (10) are in
Waveform, including several opening up trough plates (11), the trough rim of trough plate (11) is in tilted layout, the phase of two trough plates (11)
Adjacent notch edge is connected by plate (12), and trough plate (11) is integrally formed or is welded as a whole with plate (12).
3. steel plate concrete combined bridge deck structure according to claim 1, it is characterised in that: the shearing resistance enhancing structure
Including the first steel plate (21) and through several first stiffeners (22) of the first steel plate (21) plate face, the plate of the first steel plate (21)
Side and the plate face of the welding of the internal perisporium of trough plate (11) and the first steel plate (21) are vertical with the inner peripheral wall of trough plate (11), several
First steel plate (21) is evenly arranged in the vallecular cavity of trough plate (11) along flute length direction parallel interval.
4. steel plate concrete combined bridge deck structure according to claim 1, it is characterised in that: the shearing resistance enhancing structure
Including the second steel plate (23) and run through several second stiffeners (24) of the second steel plate (23) plate face, the second steel plate (23) and flat
Plate (12) welding, and the second steel plate (23) is that the long in the same direction, plate face of plate is arranged vertically with plate (12).
5. steel plate concrete combined bridge deck structure according to claim 1, it is characterised in that: the shearing resistance enhancing structure
Including several WELDING STUDSs (25) being welded on trough plate (11) bottom plate, the first stiffener (22), the second stiffener (24)
Interlaced arrangement is spatially mutually perpendicular to WELDING STUDS (25).
6. steel plate concrete combined bridge deck structure according to claim 3, it is characterised in that: the trough plate (11) and
Plate (12) with a thickness of 8~12mm, the spacing between two adjacent first steel plates (21) is 1~2m, the thickness of concrete layer (30)
Degree is 100~150mm.
7. steel plate concrete combined bridge deck structure according to claim 6, it is characterised in that: the concrete layer (30)
Design compression strength >=50MPa, bending tensile strength >=8MPa.
8. steel plate concrete combined bridge deck structure according to claim 1, it is characterised in that: further include being sprayed on coagulation
Water-proof tack coat (40) on soil layer (30), water-proof tack coat (40) with a thickness of 0.3~0.8mm.
9. steel plate concrete combined bridge deck structure according to claim 8, it is characterised in that: further include being laid on waterproof
Wearing course (50) on adhesive layer (40), wearing course (50) with a thickness of 8~10mm, water-proof tack coat (40) and wearing course (50) it
Between pass through binder connect.
10. steel plate concrete combined bridge deck structure according to claim 9, it is characterised in that: further include being sprayed on mill
Consume layer (50) on confining bed (60), confining bed (60) with a thickness of 0.3~0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821325414.1U CN208803373U (en) | 2018-08-15 | 2018-08-15 | A kind of steel plate concrete combined bridge deck structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821325414.1U CN208803373U (en) | 2018-08-15 | 2018-08-15 | A kind of steel plate concrete combined bridge deck structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208803373U true CN208803373U (en) | 2019-04-30 |
Family
ID=66235242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821325414.1U Active CN208803373U (en) | 2018-08-15 | 2018-08-15 | A kind of steel plate concrete combined bridge deck structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208803373U (en) |
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2018
- 2018-08-15 CN CN201821325414.1U patent/CN208803373U/en active Active
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