CN104846716B - Transition structure for connecting inclined prestressed concrete composite pavement and construction technology of transition structure - Google Patents
Transition structure for connecting inclined prestressed concrete composite pavement and construction technology of transition structure Download PDFInfo
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- CN104846716B CN104846716B CN201510250423.3A CN201510250423A CN104846716B CN 104846716 B CN104846716 B CN 104846716B CN 201510250423 A CN201510250423 A CN 201510250423A CN 104846716 B CN104846716 B CN 104846716B
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- concrete pavement
- reinforcing bar
- prestressed concrete
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- reinforced concrete
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Abstract
The invention discloses a transition structure for connecting inclined prestressed concrete composite pavement and a construction technology of the transition structure. The transition structure comprises an inclined prestressed concrete pavement structure, a reinforced concrete pavement structure, a first expansion joint constructional reinforcement and a second expansion joint constructional reinforcement, wherein the inclined prestressed concrete pavement structure and the reinforced concrete pavement structure are both arranged on roadbed; the expansion joint structures are arranged between the inclined prestressed concrete pavement structure and the reinforced concrete pavement structure; each of the top parts of the inclined prestressed concrete pavement structure and the reinforced concrete pavement structure is paved with an asphalt layer. Damage problems in the joints caused by different pavement structures can be reduced, meanwhile reflection cracks in base layers can be effectively reduced, and influences on the pavement structures caused by differential settlement of roadbed are reduced.
Description
Technical field
The invention belongs to road engineering pavement structure changeover portion reasonable Arrangement technical field, be related to a kind of connect oblique pre- should
The transition structure of power concrete composite pavement and its construction technology.
Background technology
As a kind of novel seamless cement concrete pavement structure, oblique prestressed concrete pavement structure is in structure sheaf
Apply oblique prestressing force so as to both produce longitudinal prestressing, also can produce transverse prestress, improve structure sheaf mechanical characteristic, make
It is not provided with contracting seam in longer-range, it is to avoid its infringement phenomenon producing because of seam crossing, simultaneously because of oblique cloth muscle, the not company of use
Connect device, the seriality of achievable concrete construction simultaneously simplifies construction.Because it has excellent serviceability so that it should have neck
Domain is quite varied, wherein in punishment " bumping at bridge-head ", prevents roadbed from all serving very well because of the disease caused by differential settlement
Using effect.But for part way, because the other end does not have corresponding structure and oblique prestressed concrete pavement
Structure is connected so that it is attached so that there is the problem of direct transition with common section, and it is suitable that centre does not have
Spatial transition, may result in road surface and a series of disease problems it is therefore necessary to enter to this situation in seam transition position
Row considers and solves.
Content of the invention
It is an object of the invention to the shortcoming overcoming above-mentioned prior art, there is provided a kind of oblique prestressed concrete of connection
The transition structure of composite pavement and its construction technology, this structure and its construction technology can reduce because different pavement is in seam
The disease problem that place occurs, can effectively reduce reflection crack problem simultaneously, reduce settlement of subgrade road pavement knot
The impact of structure.
For reaching above-mentioned purpose, the transition structure of the oblique prestressed concrete composite pavement of connection of the present invention includes
Oblique prestressed concrete pavement structure, reinforced concrete pavement structure, the first expansion joint structure reinforcing bar and the second expansion joint structure
Make reinforcing bar；
Described oblique prestressed concrete pavement structure and reinforced concrete pavement structure are respectively positioned on roadbed, oblique pre- should
There is expanded joint structure between power concrete road surface structure and reinforced concrete pavement structure, and oblique prestressed concrete pavement
One end of the end of structure and reinforced concrete pavement structure is stepped ramp type structure, in the structure of oblique prestressed concrete pavement
Stepped ramp type structure be oppositely arranged with the stepped ramp type structure in the structure of reinforced concrete pavement, reinforced concrete pavement structure another
One end is contacted with road surface to be connected；
One end of described first expansion joint structure reinforcing bar passes through oblique prestressed concrete pavement structure top bar type structure
The upper surface of bottom is inserted in the structure of oblique prestressed concrete pavement, and one end of the second expansion joint structure reinforcing bar passes through reinforcing bar
The upper surface of concrete road surface structure top bar type structural base is inserted in the structure of reinforced concrete pavement；
The top of the top of described oblique prestressed concrete pavement structure and reinforced concrete pavement structure is all laid
There is bitumen layer.
Described first expansion joint structure reinforcing bar is made up of some first reinforcing bars, and each first reinforcing bar is l type structure, and each
One reinforcing bar is divided into two groups by length, and the first reinforcing bar in the first reinforcing bar and second group in first group alternates distribution.
Described second expansion joint structure reinforcing bar is made up of some second reinforcing bars, and each second reinforcing bar is l type structure, and each
Two reinforcing bars are divided into two groups by length, and the second reinforcing bar in the second reinforcing bar and second group in first group alternates distribution.
The width of described expanded joint structure is 4-5cm.
Also include drive link, one end of drive link is inserted in the structure of reinforced concrete pavement, the other end of drive link is inserted
Enter in road surface to be connected.
Described expanded joint structure is 40 type expansion joints or 60 type expansion joints.
The construction technology of the transition structure connecting oblique prestressed concrete composite pavement of the present invention includes following
Step:
1) construction of oblique prestressed concrete pavement structure is carried out on roadbed, in work progress, by oblique pre- should
The end of power concrete road surface structure is fabricated to stepped ramp type structure, gives laying the in the structure of oblique prestressed concrete pavement simultaneously
One expansion joint structure reinforcing bar, and by one end of the first expansion joint structure reinforcing bar through oblique prestressed concrete pavement structure top bar
The upper surface of type structure bottom stretches out；
2) in the side stationary partition of oblique prestressed concrete pavement structure top bar type structure bottom, then in isolation
Carry out the construction of reinforced concrete pavement structure, in work progress, by reinforced concrete road between thing and road surface to be connected
One end of face structure is contacted with road surface to be connected, and the other end is fabricated to stepped ramp type structure, gives reinforced concrete pavement simultaneously
Laying the second expansion joint structure reinforcing bar in structure, and by one end of the second expansion joint structure reinforcing bar through reinforced concrete pavement structure
The upper surface of top bar type structure bottom stretches out；
3) in the upper surface of reinforced concrete pavement structure and the upper surface laying of oblique prestressed concrete pavement structure
Bitumen layer, then removes spacer, thus between oblique prestressed concrete pavement structure and reinforced concrete pavement structure
Form expanded joint structure.
The method have the advantages that
Pass through in the transition structure connecting oblique prestressed concrete composite pavement of the present invention and its construction technology
Increasing oblique prestressed concrete pavement structure on road surface makes road surface produce longitudinal prestressing and transverse prestress, improves road surface
Mechanical characteristic so as to be not provided with contracting seam in longer-range, it is to avoid contracting is sewn on the infringement phenomenon of seam crossing generation, and can
Effectively reduce reflection crack problem.In addition, being disposed with the first expanded joint structure in the structure of oblique prestressed concrete pavement
Reinforcing bar, does not use adapter, it is possible to achieve the seriality of concrete construction simultaneously simplifies construction process, oblique prestressed concrete simultaneously
Soil surface structure and reinforced concrete pavement structure share an expanded joint structure, can effectively alleviate due to roadbed uneven
The disease problem that sedimentation produces.
Brief description
Fig. 1 is the machine structural representation of the present invention.
Wherein, 1 be oblique prestressed concrete pavement structure, 21 be the first expansion joint structure reinforcing bar, 22 be second stretch
Seam distributing bar, 3 be expanded joint structure, 4 be reinforced concrete pavement structure, 5 be drive link, 6 be road surface to be connected.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in further detail:
With reference to Fig. 1, the transition structure of the oblique prestressed concrete composite pavement of connection of the present invention includes oblique pre-
Prestressed concrete pavement structure 1, reinforced concrete pavement structure 4, the first expansion joint structure reinforcing bar 21 and the second expansion joint structure
Reinforcing bar 22；Oblique prestressed concrete pavement structure 1 and reinforced concrete pavement structure 4 are respectively positioned on roadbed, oblique prestressing force
There is expanded joint structure 3 between concrete road surface structure 1 and reinforced concrete pavement structure 4, and oblique presteressed road
One end of the end of face structure 1 and reinforced concrete pavement structure 4 is stepped ramp type structure, oblique prestressed concrete pavement knot
Stepped ramp type structure on structure 1 is oppositely arranged with the stepped ramp type structure in reinforced concrete pavement structure 4, and reinforced concrete pavement is tied
The other end of structure 4 is contacted with road surface 6 to be connected；One end of described first expansion joint structure reinforcing bar 21 passes through oblique prestressing force
The upper surface of concrete road surface structure 1 top bar type structure bottom is inserted in oblique prestressed concrete pavement structure 1, and second
One end of expansion joint structure reinforcing bar 22 passes through the upper surface of reinforced concrete pavement structure 4 top bar type structural base to be inserted into steel
In reinforced concrete pavement structure 4；The top of described oblique prestressed concrete pavement structure 1 and reinforced concrete pavement structure
4 top is all equipped with bitumen layer.
It should be noted that described first expansion joint structure reinforcing bar 21 is made up of some first reinforcing bars, each first reinforcing bar is equal
For l type structure, and each first reinforcing bar is divided into two groups by length, the first reinforcing bar in first group with second group in the first reinforcing bar phase
Mutually it is alternately distributed.Described second expansion joint structure reinforcing bar 22 is made up of some second reinforcing bars, and each second reinforcing bar is l type structure,
And each second reinforcing bar is divided into two groups by length, the second reinforcing bar in the second reinforcing bar and second group in first group alternates point
Cloth.The width of described expanded joint structure 3 is 4-5cm.Present invention additionally comprises drive link 5, one end of drive link 5 is inserted in reinforcing bar and mixes
In solidifying soil surface structure 4, the other end of drive link 5 is inserted in road surface 6 to be connected.Described expanded joint structure 3 is stretched for 40 types
Contracting seam or 60 type expansion joints.
The construction technology of the transition structure connecting oblique prestressed concrete composite pavement of the present invention includes following
Step:
1) construction of oblique prestressed concrete pavement structure 1 is carried out on roadbed, in work progress, by oblique pre- should
The end of power concrete road surface structure 1 is fabricated to stepped ramp type structure, gives laying in oblique prestressed concrete pavement structure 1 simultaneously
First expansion joint structure reinforcing bar 21, and by one end of the first expansion joint structure reinforcing bar 21 through oblique prestressed concrete pavement structure
The upper surface of 1 top bar type structure bottom stretches out；
2) in the side stationary partition of oblique prestressed concrete pavement structure 1 top bar type structure bottom, then every
Carry out the construction of reinforced concrete pavement structure 4 between thing and road surface 6 to be connected, in work progress, by reinforced concrete
One end of soil surface structure 4 is contacted with road surface 6 to be connected, and the other end is fabricated to stepped ramp type structure, gives reinforced concrete simultaneously
Laying the second expansion joint structure reinforcing bar 22 in soil surface structure 4, and one end of the second expansion joint structure reinforcing bar 22 is mixed through reinforcing bar
The upper surface of solidifying soil surface structure 4 top bar type structure bottom stretches out；
3) in the upper surface of reinforced concrete pavement structure 4 and the upper surface paving of oblique prestressed concrete pavement structure 1
If bitumen layer, then remove spacer, thus in oblique prestressed concrete pavement structure 1 and reinforced concrete pavement structure 4
Between formed expanded joint structure 3.
Claims (5)
1. a kind of transition structure connecting oblique prestressed concrete composite pavement is mixed it is characterised in that including oblique prestressing force
Solidifying soil surface structure (1), reinforced concrete pavement structure (4), the first expansion joint structure reinforcing bar (21) and the second expansion joint structure
Reinforcing bar (22)；
Described oblique prestressed concrete pavement structure (1) and reinforced concrete pavement structure (4) are respectively positioned on roadbed, oblique pre-
There is expanded joint structure (3) between prestressed concrete pavement structure (1) and reinforced concrete pavement structure (4), and oblique pre- should
One end of the end of power concrete road surface structure (1) and reinforced concrete pavement structure (4) is stepped ramp type structure, oblique pre- should
Stepped ramp type structure on power concrete road surface structure (1) is set in opposite directions with the stepped ramp type structure in reinforced concrete pavement structure (4)
Put, the other end of reinforced concrete pavement structure (4) is contacted with road surface (6) to be connected；
One end of described first expansion joint structure reinforcing bar (21) passes through oblique prestressed concrete pavement structure (1) top bar type knot
The upper surface of structure bottom is inserted in oblique prestressed concrete pavement structure (1), and the one of the second expansion joint structure reinforcing bar (22)
End is inserted into reinforced concrete pavement structure through the upper surface of reinforced concrete pavement structure (4) top bar type structural base
(4) in；
The top of described oblique prestressed concrete pavement structure (1) and the top Jun Pu of reinforced concrete pavement structure (4)
It is provided with bitumen layer；
Described first expansion joint structure reinforcing bar (21) is made up of some first reinforcing bars, and each first reinforcing bar is l type structure, and each
One reinforcing bar is divided into two groups by length, and the first reinforcing bar in the first reinforcing bar and second group in first group alternates distribution；
Described second expansion joint structure reinforcing bar (22) is made up of some second reinforcing bars, and each second reinforcing bar is l type structure, and each
Two reinforcing bars are divided into two groups by length, and the second reinforcing bar in the second reinforcing bar and second group in first group alternates distribution.
2. the transition structure connecting oblique prestressed concrete composite pavement according to claim 1 is it is characterised in that institute
The width stating expanded joint structure (3) is 4-5cm.
3. the transition structure connecting oblique prestressed concrete composite pavement according to claim 1 is it is characterised in that go back
Including drive link (5), one end of drive link (5) is inserted in reinforced concrete pavement structure (4), the other end of drive link (5)
It is inserted in road surface (6) to be connected.
4. the transition structure connecting oblique prestressed concrete composite pavement according to claim 1 is it is characterised in that institute
Stating expanded joint structure (3) is 40 type expansion joints or 60 type expansion joints.
5. a kind of construction technology of the transition structure connecting oblique prestressed concrete composite pavement is it is characterised in that be based on power
Profit requires the transition structure of the oblique prestressed concrete composite pavement of connection described in 1, comprises the following steps:
1) construction of oblique prestressed concrete pavement structure (1) is carried out on roadbed, in work progress, by oblique prestressing force
The end of concrete road surface structure (1) is fabricated to stepped ramp type structure, gives paving in oblique prestressed concrete pavement structure (1) simultaneously
If the first expansion joint structure reinforcing bar (21), and by one end of the first expansion joint structure reinforcing bar (21) through oblique presteressed road
The upper surface of face structure (1) top bar type structure bottom stretches out；
2) in the side stationary partition of oblique prestressed concrete pavement structure (1) top bar type structure bottom, then in isolation
Carry out the construction of reinforced concrete pavement structure (4) between thing and road surface (6) to be connected, in work progress, reinforcing bar is mixed
One end of solidifying soil surface structure (4) is contacted with road surface (6) to be connected, and the other end is fabricated to stepped ramp type structure, gives steel simultaneously
Laying the second expansion joint structure reinforcing bar (22) in reinforced concrete pavement structure (4), and by the second expansion joint structure reinforcing bar (22)
The upper surface through reinforced concrete pavement structure (4) top bar type structure bottom for the one end stretches out；
3) in the upper surface of reinforced concrete pavement structure (4) and the upper surface paving of oblique prestressed concrete pavement structure (1)
If bitumen layer, then remove spacer, thus in oblique prestressed concrete pavement structure (1) and reinforced concrete pavement structure
(4) form expanded joint structure (3) between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510250423.3A CN104846716B (en) | 2015-05-15 | 2015-05-15 | Transition structure for connecting inclined prestressed concrete composite pavement and construction technology of transition structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510250423.3A CN104846716B (en) | 2015-05-15 | 2015-05-15 | Transition structure for connecting inclined prestressed concrete composite pavement and construction technology of transition structure |
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| Publication Number | Publication Date |
|---|---|
| CN104846716A CN104846716A (en) | 2015-08-19 |
| CN104846716B true CN104846716B (en) | 2017-02-01 |
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| CN201510250423.3A Expired - Fee Related CN104846716B (en) | 2015-05-15 | 2015-05-15 | Transition structure for connecting inclined prestressed concrete composite pavement and construction technology of transition structure |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107447616A (en) * | 2017-09-01 | 2017-12-08 | 西安汉河环保科技有限公司 | A kind of oblique prestressed concrete modularization construction process |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1256243B (en) * | 1960-08-27 | 1967-12-14 | Dyckerhoff & Widmann Ag | Joint formation on deck slabs made of prestressed concrete |
| FR2203912B1 (en) * | 1972-10-25 | 1977-08-05 | Cipec | |
| CN1088135C (en) * | 1994-04-29 | 2002-07-24 | 李然 | Rib-free prestressed pavement |
| WO2001088310A1 (en) * | 2000-05-15 | 2001-11-22 | Kensuke Asakura | Method and device for removing part of concrete structure |
| KR100884780B1 (en) * | 2008-07-16 | 2009-02-23 | (주)삼우아이엠씨 | A structure of prestressed concrete pavement and its construction method |
| CN203923846U (en) * | 2014-05-21 | 2014-11-05 | 中铁十五局集团有限公司 | Reinforced concrete bottom plate movement joint structure |
| CN204690535U (en) * | 2015-05-15 | 2015-10-07 | 长安大学 | A kind of transition structure for connecting oblique prestressed concrete composite pavement |
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Granted publication date: 20170201 Termination date: 20200515 |