CN207017093U - New-old concrete bond widens seam-line removal structure - Google Patents
New-old concrete bond widens seam-line removal structure Download PDFInfo
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- CN207017093U CN207017093U CN201720745727.1U CN201720745727U CN207017093U CN 207017093 U CN207017093 U CN 207017093U CN 201720745727 U CN201720745727 U CN 201720745727U CN 207017093 U CN207017093 U CN 207017093U
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Abstract
It the utility model is related to a kind of new-old concrete bond and widen seam-line removal structure, including old roadbed, the new roadbed being stitched together with old roadbed, Mosaic face between the new roadbed and old roadbed is provided with multiple steps, the step includes horizontal Mosaic face and vertical Mosaic face, vertical reinforcement is equipped with the horizontal Mosaic face, one end of the vertical reinforcement is extended in old roadbed, the other end is extended in new roadbed, the vertical Mosaic face is provided with horizontal stiffener, one end of the horizontal stiffener is extended in old roadbed, the other end is extended in new roadbed, the new roadbed includes asphalt surface course successively from top to bottom, asphalt macadam Drainage Base, stabilization gravel layer and graded broken stone drainage blanket.By setting horizontal stiffener and vertical reinforcement can increase lateral ties between strong new-old concrete bond road surface, make spliced new-old concrete bond that integrally there is enough stability, use new structure with stylish roadbed, hydrophobic drainage effect is good.
Description
Technical field
It the utility model is related to road pavement technical field, and in particular to a kind of new-old concrete bond widens seam-line removal structure.
Background technology
In recent years, with the surge developed rapidly with the volume of traffic of China's economic, the highway transportation quantity required in China by
Year increase, the magnitude of traffic flow of some existing highways have reached saturation, need badly that it is carried out to widen to transform and are led to improving it
Row ability, and then adapt to the fast-developing needs of modern economy.But pass through car load for many years, highway existing roadbed
Sedimentation and deformation reached stable state, and the roadbed filling of widened section can also produce compression and sedimentation and deformation, this
It is different and produce relative settlement to allow for strength difference between new-old concrete bond, and then causes the road surface of coupling section of the new and old road position to be tied
There is serious longitudinal cracking separation in structure.
Utility model content
The purpose of this utility model is to provide a kind of bearing capacity that can be effectively improved at new-old concrete bond Pavement mosaic, added
Lateral ties between strong new-old concrete bond road surface, reduce settlement difference, spliced new-old concrete bond is integrally had enough steady
It is qualitative, avoid new-old concrete bond joining place after being open to traffic from producing longitudinal cracking separation.
To achieve these goals, the technical solution adopted in the utility model is：New-old concrete bond widens seam-line removal structure,
Including old roadbed, the new roadbed being stitched together with old roadbed, the Mosaic face between the new roadbed and old roadbed is provided with more
Individual step, the step include horizontal Mosaic face and vertical Mosaic face, vertical reinforcement, institute are equipped with the horizontal Mosaic face
The one end for stating vertical reinforcement is extended in old roadbed, and the other end is extended in new roadbed, and the vertical Mosaic face is provided with water
Flat reinforcement, one end of the horizontal stiffener are extended in old roadbed, and the other end is extended in new roadbed, the new roadbed by
Top to bottm includes asphalt surface course, asphalt macadam Drainage Base, stabilization gravel layer and graded broken stone drainage blanket successively.
New-old concrete bond as described above widens seam-line removal structure, further illustrates to be that the horizontal stiffener extends to
One end that the vertical reinforcement in one end lower section adjacent thereto in new roadbed is extended in new roadbed is by being welded to connect.
New-old concrete bond as described above widens seam-line removal structure, further illustrates to be that the vertical reinforcement extends to
One end that one end lower horizontal reinforcement adjacent thereto in old roadbed is extended in old roadbed is by being fixedly connected.
New-old concrete bond as described above widens seam-line removal structure, further illustrates to be that the stabilization gravel layer includes position
In low content cement stabilized gravel layer and cement stabilized macadam layer, it is broken that the low content cement stabilized gravel layer is located at cement stabilizing
The lower section of rock layers.
New-old concrete bond as described above widens seam-line removal structure, further illustrates to be that the low dosage cement stabilizing is broken
The joint face of rock layers and cement stabilized macadam layer is provided with one layer of steel and moulds grid.
New-old concrete bond as described above widens seam-line removal structure, further illustrates to be the graded broken stone drainage blanket
Thickness be 9~13cm, the thickness of the stabilization gravel layer is 30~50cm, and the thickness of the asphalt macadam Drainage Base is 5
~10cm.
The beneficial effects of the utility model are：By setting horizontal stiffener and vertical reinforcement to increase strong new and old road
Lateral ties between base road surface, reduce settlement difference, make spliced new-old concrete bond that integrally there is enough stability, simultaneously
New roadbed uses new structure, and hydrophobic drainage effect is good, avoids new-old concrete bond joining place after being open to traffic from producing longitudinal cracking separation.
Brief description of the drawings
Fig. 1 is the structural representation of an embodiment.
Fig. 2 is the structural representation of another embodiment.
In figure：1st, old roadbed；2nd, new roadbed；201st, asphalt surface course；202nd, asphalt macadam Drainage Base；203rd, stabilization gravel
Layer；204th, graded broken stone drainage blanket；205th, low content cement stabilized gravel layer；206th, cement stabilized macadam layer；207th, steel is moulded
Grid；3rd, horizontal Mosaic face；4th, vertical Mosaic face；5th, horizontal stiffener；6th, vertical reinforcement.
Embodiment
The utility model embodiment is further elaborated below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of new-old concrete bond that the present embodiment provides widens seam-line removal structure, including old roadbed 1, it is and old
The new roadbed 2 that roadbed 1 is stitched together, the Mosaic face between the new roadbed 2 and old roadbed 1 is provided with multiple steps, described
Step includes horizontal Mosaic face 3 and vertical Mosaic face 4, the connection knot of step will be arranged between new roadbed 2 and old roadbed 1
Structure, the connection between new roadbed 2 and old roadbed 1 can be made even closer, vertical reinforcement is equipped with the horizontal Mosaic face 3
6, one end of the vertical reinforcement 6 is extended in old roadbed 1, and the other end is extended in new roadbed 2, the vertical Mosaic face 4
Horizontal stiffener 5 is provided with, one end of the horizontal stiffener 5 is extended in old roadbed 1, and the other end is extended in new roadbed 2,
By setting horizontal stiffener and vertical reinforcement can increase lateral ties between strong new-old concrete bond road surface, reduce differential settlement
It is different, make spliced new-old concrete bond that integrally there is enough stability.
The new roadbed 2 includes asphalt surface course 201, asphalt macadam Drainage Base 202, stabilization gravel layer successively from top to bottom
203 and graded broken stone drainage blanket 204, the specific stabilization gravel layer 203 includes being located at low content cement stabilized gravel layer
205 and cement stabilized macadam layer 206, the low content cement stabilized gravel layer 205 be located under cement stabilized macadam layer 206
Side, based on prevent with delayed reflex crack, prevent the consideration of moisture penetration, can be in the low content cement stabilized gravel layer
205 and the joint face of cement stabilized macadam layer 206 be provided with one layer of steel and mould grid 207, specifically, the graded broken stone draining pad
The thickness of layer 204 is 9~13cm, and the thickness of the stabilization gravel layer 203 is 30~50cm, the asphalt macadam Drainage Base
202 thickness is 5~10cm.
As shown in Fig. 2 being another embodiment of the utility model, the difference of the present embodiment and above-described embodiment is：
The vertical reinforcement 6 in one end lower section adjacent thereto that the horizontal stiffener 5 is extended in new roadbed 2 is extended in new roadbed 2
One end is by being welded to connect, and by such setting, the connection that can strengthen between horizontal stiffener 5 and vertical reinforcement 6 is closed
System, so that new connection between roadbed 2 and old roadbed 1 is even closer, it can further reduce new-old concrete bond joining place after being open to traffic
Longitudinal cracking separation is produced, further, one end lower section water adjacent thereto that the vertical reinforcement 6 is extended in old roadbed 1
One end that flat reinforcement 5 is extended in old roadbed 1 is by being fixedly connected, so that between horizontal stiffener 5 and vertical reinforcement 6
Connect, it is more stable to be allowed to structure.
The utility model is not limited to examples detailed above, in claims limited range of the present utility model, this
The various deformations or amendments that art personnel can make without creative work are protected by this patent.
Claims (6)
1. new-old concrete bond widens seam-line removal structure, including old roadbed, the new roadbed being stitched together with old roadbed, the new road
Mosaic face between base and old roadbed is provided with multiple steps, and the step includes horizontal Mosaic face and vertical Mosaic face, and it is special
Sign is：Vertical reinforcement is equipped with the horizontal Mosaic face, one end of the vertical reinforcement is extended in old roadbed, separately
One end is extended in new roadbed, and the vertical Mosaic face is provided with horizontal stiffener, and one end of the horizontal stiffener extends to
In old roadbed, the other end is extended in new roadbed, and the new roadbed includes asphalt surface course, asphalt macadam draining successively from top to bottom
Basic unit, stabilization gravel layer and graded broken stone drainage blanket.
2. new-old concrete bond according to claim 1 widens seam-line removal structure, it is characterised in that：The horizontal stiffener prolongs
One end that the vertical reinforcement in the lower section adjacent thereto of one end in new roadbed is extended in new roadbed is extended by being welded to connect.
3. new-old concrete bond according to claim 2 widens seam-line removal structure, it is characterised in that：The vertical reinforcement prolongs
One end that the lower horizontal reinforcement adjacent thereto of one end in old roadbed is extended in old roadbed is extended by being fixedly connected.
4. new-old concrete bond according to claim 1 widens seam-line removal structure, it is characterised in that：The stabilization gravel layer bag
Include and be located at low content cement stabilized gravel layer and cement stabilized macadam layer, it is steady that the low content cement stabilized gravel layer is located at cement
Determine the lower section of metalling.
5. new-old concrete bond according to claim 4 widens seam-line removal structure, it is characterised in that：The low dosage cement is steady
The joint face for determining metalling and cement stabilized macadam layer is provided with one layer of steel modeling grid.
6. new-old concrete bond according to claim 1 widens seam-line removal structure, it is characterised in that：The graded broken stone draining
The thickness of bed course is 9~13cm, and the thickness of the stabilization gravel layer is 30~50cm, the thickness of the asphalt macadam Drainage Base
For 5~10cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720745727.1U CN207017093U (en) | 2017-06-26 | 2017-06-26 | New-old concrete bond widens seam-line removal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720745727.1U CN207017093U (en) | 2017-06-26 | 2017-06-26 | New-old concrete bond widens seam-line removal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207017093U true CN207017093U (en) | 2018-02-16 |
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ID=61486064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720745727.1U Active CN207017093U (en) | 2017-06-26 | 2017-06-26 | New-old concrete bond widens seam-line removal structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930207A (en) * | 2018-08-29 | 2018-12-04 | 武钦培 | The construction method of expressway widening roadbed |
| CN109295822A (en) * | 2018-10-08 | 2019-02-01 | 武钦培 | A kind of expressway widening road structure and its construction method |
| CN111455770A (en) * | 2020-04-17 | 2020-07-28 | 中国建筑土木建设有限公司 | Asphalt pavement splicing structure based on recycled materials and construction method thereof |
-
2017
- 2017-06-26 CN CN201720745727.1U patent/CN207017093U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930207A (en) * | 2018-08-29 | 2018-12-04 | 武钦培 | The construction method of expressway widening roadbed |
| CN108930207B (en) * | 2018-08-29 | 2019-08-20 | 武钦培 | The construction method of expressway widening roadbed |
| CN109295822A (en) * | 2018-10-08 | 2019-02-01 | 武钦培 | A kind of expressway widening road structure and its construction method |
| CN111455770A (en) * | 2020-04-17 | 2020-07-28 | 中国建筑土木建设有限公司 | Asphalt pavement splicing structure based on recycled materials and construction method thereof |
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