CN206529694U - A kind of steel and ultra-high performance concrete combined bridge deck plate joint connecting structure - Google Patents
A kind of steel and ultra-high performance concrete combined bridge deck plate joint connecting structure Download PDFInfo
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- CN206529694U CN206529694U CN201621182213.1U CN201621182213U CN206529694U CN 206529694 U CN206529694 U CN 206529694U CN 201621182213 U CN201621182213 U CN 201621182213U CN 206529694 U CN206529694 U CN 206529694U
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Abstract
A kind of steel and ultra-high performance concrete combined bridge deck plate joint connecting structure, effectively to strengthen the switching performance between the ultra-high performance concrete poured by several times, reduces seam crossing stress level, and improve the tensile strength of seam crossing.Including including steel bridge deck, shear connector, stiffener net, ultra-high performance concrete layer is poured by several times and is located on steel bridge deck and shear connector, stiffener net is embedded in the inner, the top surface laying road pavement layer of ultra-high performance concrete layer is poured by several times.The gradation pours the seam crossing setting of ultra-high performance concrete layer and the continuous Ω shapes that steel bridge deck top surface is welded strengthen steel plate, and continuous Ω shapes are strengthened steel plate and covered to pour ultra-high performance concrete layer by several times.It is the Ω shape projective table type structures that several relative top surfaces are inclined-plane of interlocking in axis or so that the continuous Ω shapes, which strengthen steel plate, and two bases of Ω shape projective table type structures are staggered with the base of adjacent Ω shape projective table type structures and are connected relatively.The continuous Ω shapes are strengthened setting the WELDING STUDS welded with steel bridge deck in the space that steel plate is surrounded.
Description
Technical field
The utility model belongs to bridge structure technical field of buildings, and in particular to a kind of steel-ultra-high performance concrete combination
Floorings joint connecting structure.
Background technology
Existing steel-concrete combined bridge concrete slab and its pave-load layer have monoblock type cast-in-place or prefabrication and assembly construction
Form of construction work, as shown in figure 1, after the completion of bridge construction, cast-in-place concrete layer 1 is formed with steel bridge deck layer 5 with mating formation
There are stiffener net 2 and WELDING STUDS 5 in layer 4, cast-in-place concrete layer 1.
When constructing concrete slab, the problem of floorings globality can be brought using the form of construction work of prefabrication and assembly construction,
And the connecting structure mode of seam is more complicated.And use monoblock type it is cast-in-place make floorings due to bridge floor wide cut and span compared with
It is big also to have the problems such as being segmented the floorings globality brought when pouring, continuity, while large area cast-in-place concrete is foster
Protect difficulty larger.
However, with this new material of ultra-high performance concrete promoting the use in science of bridge building, having occurred in recent years
The light-duty combined bridge structure of steel-ultra-high performance concrete.This structure has, floorings small compared with conventional combination structural bridge of conducting oneself with dignity
The characteristics of tensile strength is big.But it can equally be run into when pouring ultra-high performance concrete floorings for reduction construction and maintenance difficulty
The seam crossing problem that mode is brought is poured using bridge floor framing.Now, the bridge that should be connected by the fiber being distributed in a jumble
Panel " is blocked ", greatly reduces the continuity of the bonding strength and floorings at this, so that the seam under action of pulling stress
Easily there is crack or local damage in place, makes the durability of bridge be difficult to meet design life requirement.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of steel-ultra-high performance concrete combined bridge deck plate seam
Connecting structure, effectively to strengthen the switching performance between the ultra-high performance concrete poured by several times, reduces seam crossing stress level,
And improve the tensile strength of seam crossing.
The technical scheme that the utility model solution above-mentioned technical problem is taken is as follows：
A kind of steel of the present utility model-ultra-high performance concrete combined bridge deck plate joint connecting structure, including steel bridge deck,
Shear connector, stiffener net, pour by several times ultra-high performance concrete layer be located at steel bridge deck on and by shear connector, plus
Strong bar-mat reinforcement is embedded in the inner, and the top surface laying road pavement layer of ultra-high performance concrete layer is poured by several times, it is characterized in that：It is described
The seam crossing for pouring ultra-high performance concrete layer by several times sets the continuous Ω shapes welded with steel bridge deck top surface to strengthen steel plate, continuously
Ω shapes are strengthened steel plate and covered to pour ultra-high performance concrete layer by several times；It is left in axis that the continuous Ω shapes, which strengthen steel plate,
The right side staggeredly relative several top surfaces be inclined-plane Ω shape projective table type structures, two bases of Ω shape projective table type structures with it is adjacent
Stagger and relative connection on the base of Ω shape projective table type structures；The continuous Ω shapes are strengthened setting and steel in the space that steel plate is surrounded
The WELDING STUDS of bridge floor plate weld.
The beneficial effects of the utility model are that the seam crossing for pouring ultra-high performance concrete layer in gradation sets continuous Ω shapes
Strengthen steel plate and WELDING STUDS, the machinery that the projective table type structure of continuous Ω shapes reinforcement steel plate is mutual with ultra-high performance concrete layer is stung
Strengthen the inclined top face and the mutual frictional force of ultra-high performance concrete layer of steel plate projective table type structure with continuous Ω shapes with joint efforts, enhance
Switching performance between the ultra-high performance concrete poured by several times, the transition of camber line reduces seam crossing stress water at tooth mouth
It is flat, improve the tensile strength of seam crossing；The generation in seam crossing crack can be effectively prevented, it is good with good endurance, anti-fatigue performance
The advantages of, while the frequent maintenance of seam can be reduced；Steel-concrete combined structure is can be applied to, orthotropic is can also be applied to
Steel Bridge Deck structure, in wide cut, greatly across the value that its application is respectively provided with steel bridge.
Brief description of the drawings
The accompanying drawing for constituting a part for this explanation is used for providing further understanding to of the present utility model, of the present utility model
Schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.
This specification includes following seven width accompanying drawing：
Fig. 1 is the different in nature steel box-girder integral rigidity bridge floor vertical section structure schematic diagram of conventional orthorhombic in the prior art；
Fig. 2 is a kind of bowing for steel of the utility model-ultra-high performance concrete combined bridge deck plate joint connecting structure seam crossing
Depending on schematic diagram (not pouring state during ultra-high performance concrete)；
Fig. 3 is a kind of steel of the utility model-seam of ultra-high performance concrete combined bridge deck plate joint connecting structure embodiment 1
The schematic top plan view at place；
Fig. 4 is the schematic cross-sectional view of A-A lines along along Fig. 3；
Fig. 5 is a kind of steel of the utility model-seam of ultra-high performance concrete combined bridge deck plate joint connecting structure embodiment 2
The schematic top plan view at place；
Fig. 6 is along B-B line schematic cross-sectional views in Fig. 5；
Fig. 7 is continuous Ω shapes in a kind of steel of the utility model-ultra-high performance concrete combined bridge deck plate joint connecting structure
Strengthen the schematic three dimensional views of steel plate section.
Component name and corresponding mark are shown in figure：By several times pour ultra-high performance concrete layer 1, stiffener net 2,
Seam crossing 3, road pavement layer 4, WELDING STUDS 5, steel bridge deck 6, ribbed stiffener 7, continuous Ω shapes strengthen steel plate 8, and seam crossing 9 is first poured
Ultra-high performance concrete layer 12, after pour ultra-high performance concrete layer 13, ultra-high performance concrete 14.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, but the utility model can be according to power
Profit requires to limit and the multitude of different ways of covering is implemented.
Reference picture 2 is to Fig. 4, a kind of steel of the present utility model-ultra-high performance concrete combined bridge deck plate joint connecting structure,
Including steel bridge deck 6, shear connector, stiffener net 2, ultra-high performance concrete layer 1 is poured by several times and is located on steel bridge deck 6
And shear connector, stiffener net 2 is embedded in the inner, the top surface laying road surface of ultra-high performance concrete layer 1 is poured by several times
Pave-load layer 4.The seam crossing 9 that the gradation pours ultra-high performance concrete layer 1 sets the continuous Ω welded with the top surface of steel bridge deck 6
Shape strengthens steel plate 8, and continuous Ω shapes are strengthened steel plate 8 and covered to pour ultra-high performance concrete layer 1 by several times.
Reference picture 7, it is inclined-plane that the continuous Ω shapes, which strengthen steel plate 8 for several the relative top surfaces that interlock in axis or so,
Ω shape projective table type structures, the base of two bases of Ω shape projective table type structures and adjacent Ω shape projective table type structures is staggered and phase
To connection.The continuous Ω shapes are strengthened setting the WELDING STUDS 5 welded with steel bridge deck 6, WELDING STUDS in the space that steel plate 8 is surrounded
5 participate in structure stress with ultra-high performance concrete layer, improve the rigidity of structure.
Due to continuous Ω shapes, to strengthen the projective table type structure of steel plate 8 mutual with pouring ultra-high performance concrete layer 1 by several times
Mechanical snap power, and continuous Ω shapes strengthen the inclined top face of the projective table type structure of steel plate 8 and gradation pours ultra-high performance concrete 1 phase of layer
Frictional force between mutually, enhances the switching performance poured by several times between ultra-high performance concrete layer 1, the transition drop of camber line at tooth mouth
Low seam crossing stress level, improves the tensile strength of seam crossing.The generation in seam crossing crack can be effectively prevented, with durability
Well, the advantages of anti-fatigue performance is good, while the frequent maintenance of seam can be reduced.
Reference picture 3 and Fig. 4, the center line of seam crossing 9 that the gradation pours ultra-high performance concrete layer 1 add with continuous Ω shapes
The axis of strong steel plate 8 is located on same vertical plane.Reference picture 5 and Fig. 6, the gradation pour ultra-high performance concrete layer 1
The center line of seam crossing 9 or the edge line for strengthening steel plate 8 along continuous Ω shapes extend.
Reference picture 3 is to Fig. 6, and the very-high performance that first pours that the gradation pours ultra-high performance concrete layer 1 and includes connecing relatively is mixed
Solidifying soil layer 12, after pour ultra-high performance concrete layer 13, first pour ultra-high performance concrete layer 12 and after pour ultra-high performance concrete layer
The stiffener net 2 set in 13 completes butt welding, and the ultra-high performance concrete poured in gradation by way of overlap joint
Layer seam crossing 9 is continued through, to increase bonding strength.
The gradation pours ultra-high performance concrete layer 1 by least one of RPC or fiber concrete
Pour and form.
Reference picture 2, Fig. 3 and Fig. 4, a kind of steel of the utility model-ultra-high performance concrete combined bridge deck plate seam connection structure
Make to be constructed according to the following steps：
1. in first of seam crossing 9 in continuous Ω shapes strengthen steel plate 8 and corresponding together before the welding of the top surface of steel bridge deck 6
WELDING STUDS 5；
2. lay first pour ultra-high performance concrete layer 12 and after pour ultra-high performance concrete layer 13 in the range of stiffener
Net 2 is simultaneously welded as overall skeleton；
3. poured on steel bridge deck 6 ultra-high performance concrete formed first pour ultra-high performance concrete layer 12, first pour superelevation
Performance concrete layer 12 covers the surface area of its half along the axis that preceding Ω shapes continuous together strengthen steel plate 8；
4. connect together in after the welding of the top surface of steel bridge deck 6 longitudinally to lower one of seam crossing 9 along ultra-high performance concrete layer 1
Continuous Ω shapes strengthen steel plate 8 and corresponding WELDING STUDS 5；
5. lay poured after next piece ultra-high performance concrete layer 13 in the range of stiffener net 2 and with formerly lay plus
Strong bar-mat reinforcement 2 is welded as overall skeleton；
6. steel bridge deck 6 pour poured after ultra-high performance concrete forms previous piece ultra-high performance concrete layer 13, after pour
Continuously Ω shapes strengthen the surface area of the half of steel plate 8 together after ultra-high performance concrete layer 13 is covered along axis, and cover previous
Second half surface area of the continuous Ω shapes reinforcement steel plate 8 in road；
7. repeat above step 4., 5., 6. to gradation pour ultra-high performance concrete layer 1 all pour completion.
After the intensity of ultra-high performance concrete layer 1 reaches design requirement, overlayed in the top of ultra-high performance concrete 1
Road pavement layer 4 and it is carried out maintenance reach to be formed road surface requirement, complete combined bridge deck structure construction.
Reference picture 2, Fig. 5 and Fig. 6, a kind of steel of the utility model-ultra-high performance concrete combined bridge deck plate seam connection structure
Making can also be constructed according to the following steps：
1. in first of seam crossing 9 in continuous Ω shapes strengthen steel plate 8 and corresponding together before the welding of the top surface of steel bridge deck 6
WELDING STUDS 5；
2. lay first pour ultra-high performance concrete layer 12 and after pour ultra-high performance concrete layer 13 in the range of stiffener
Net 2 is simultaneously welded as overall skeleton；
3. poured on steel bridge deck 6 ultra-high performance concrete formed first pour ultra-high performance concrete layer 12, first pour superelevation
The outside of steel plate 8 is strengthened in the covering of performance concrete layer 12 to preceding Ω shapes continuous together；
4. connect together in after the welding of the top surface of steel bridge deck 6 longitudinally to lower one of seam crossing 9 along ultra-high performance concrete layer 1
Continuous Ω shapes strengthen steel plate 8 and corresponding WELDING STUDS 5；
5. lay and stiffener net 2 in the range of ultra-high performance concrete layer 13 is poured after next piece and with formerly laying
Stiffener net 2 is welded as overall skeleton；
6. steel bridge deck 6 pour poured after ultra-high performance concrete forms previous piece ultra-high performance concrete layer 13, after pour
Outer side covers to the rear Ω shapes continuous together that ultra-high performance concrete layer 13 strengthens steel plate 8 by preceding Ω shapes continuous together strengthen steel plate
8 outsides；
7. joint filling is irrigated in preceding one of seam crossing 9 with ultra-high performance concrete 14, makes first to pour ultra-high performance concrete layer 12
Ultra-high performance concrete layer (13) is poured with after and forms continuous overall.
8. repeat above step 4., 5., 6., 7. to gradation pour ultra-high performance concrete layer 1 all pour completion.
After the intensity of ultra-high performance concrete layer 1 reaches design requirement, overlayed in the top of ultra-high performance concrete 1
Road pavement layer 4 and it is carried out maintenance reach to be formed road surface requirement, complete combined bridge deck structure construction.
A kind of steel of the utility model-ultra-high performance concrete combined bridge deck plate seam described above that simply explains through diagrams connects
Some principles of construction are connect, are not intended to the utility model being confined in shown and described concrete structure and the scope of application,
Therefore every corresponding modification for being possible to be utilized and equivalent, belong to the apllied the scope of the claims of the utility model.
Claims (3)
1. a kind of steel-ultra-high performance concrete combined bridge deck plate joint connecting structure, including steel bridge deck (6), shear connector,
Stiffener net (2), pour by several times ultra-high performance concrete layer (1) be located at steel bridge deck (6) on and by shear connector, strengthen
Bar-mat reinforcement (2) is embedded in the inner, and the top surface laying road pavement layer (4) of ultra-high performance concrete layer (1), its feature are poured by several times
It is：The seam crossing (9) that the gradation pours ultra-high performance concrete layer (1) sets continuous with the welding of steel bridge deck (6) top surface
Ω shapes strengthen steel plate (8), and continuous Ω shapes are strengthened steel plate (8) and covered to pour ultra-high performance concrete layer (1) by several times；The company
It is interlock in axis or so the Ω shape projective table type structures that several relative top surfaces are inclined-plane, Ω that continuous Ω shapes, which strengthen steel plate (8),
Stagger with the base of adjacent Ω shape projective table type structures and be connected relatively in two bases of shape projective table type structure；The continuous Ω shapes
Strengthen setting the WELDING STUDS (5) welded with steel bridge deck (6) in the space that steel plate (8) is surrounded.
2. a kind of steel-ultra-high performance concrete combined bridge deck plate joint connecting structure as claimed in claim 1, it is characterized in that：Institute
State seam crossing (9) center line for pouring ultra-high performance concrete layer (1) by several times and continuous Ω shapes strengthen the axis position of steel plate (8)
In on same vertical plane, or the edge line for strengthening steel plate (8) along continuous Ω shapes extends.
3. a kind of steel-ultra-high performance concrete combined bridge deck plate joint connecting structure as claimed in claim 1, it is characterized in that：Institute
State pour by several times ultra-high performance concrete layer (1) include it is relative connect first pour ultra-high performance concrete layer (12), after pour superelevation
Can concrete layer (13), first pour ultra-high performance concrete layer (12) and after pour ultra-high performance concrete layer (13) in setting reinforcement
Bar-mat reinforcement (2) completes butt welding by way of overlap joint, and the ultra-high performance concrete layer seam crossing (9) poured in gradation connects
It is continuous to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621182213.1U CN206529694U (en) | 2016-10-27 | 2016-10-27 | A kind of steel and ultra-high performance concrete combined bridge deck plate joint connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621182213.1U CN206529694U (en) | 2016-10-27 | 2016-10-27 | A kind of steel and ultra-high performance concrete combined bridge deck plate joint connecting structure |
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| Publication Number | Publication Date |
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| CN206529694U true CN206529694U (en) | 2017-09-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107988904A (en) * | 2016-10-27 | 2018-05-04 | 四川西南交大土木工程设计有限公司 | A kind of steel-ultra-high performance concrete combined bridge deck plate joint connecting structure and its construction method |
| CN108396647A (en) * | 2018-03-26 | 2018-08-14 | 湖南大学 | A kind of steel-ultra-high performance concrete combined bridge deck connection structure and its construction method |
-
2016
- 2016-10-27 CN CN201621182213.1U patent/CN206529694U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107988904A (en) * | 2016-10-27 | 2018-05-04 | 四川西南交大土木工程设计有限公司 | A kind of steel-ultra-high performance concrete combined bridge deck plate joint connecting structure and its construction method |
| CN108396647A (en) * | 2018-03-26 | 2018-08-14 | 湖南大学 | A kind of steel-ultra-high performance concrete combined bridge deck connection structure and its construction method |
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