CN204849511U - Handle road surface overhaul structure that different lane road surfaces road conditions differed greatly - Google Patents
Handle road surface overhaul structure that different lane road surfaces road conditions differed greatly Download PDFInfo
- Publication number
- CN204849511U CN204849511U CN201520548259.XU CN201520548259U CN204849511U CN 204849511 U CN204849511 U CN 204849511U CN 201520548259 U CN201520548259 U CN 201520548259U CN 204849511 U CN204849511 U CN 204849511U
- Authority
- CN
- China
- Prior art keywords
- road
- mixing bed
- bed
- layer
- road surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Abstract
The utility model provides a handle the road surface overhaul structure that different lane pavement condition differed greatly, including having a plurality of lane road surfaces, the road surface structure is equipped with surface course, well surface course from top to bottom, descends surface course, cement to stablize gravel basic unit and mountain skin stone bed course, its characterized in that, being equipped with on the spot in the structure middle part of road surface, cold regeneration mixes the bed of material, cold regeneration mixes bed of material upper surface and is provided with the level of confidentiality and joins in marriage pitch and stablize the mixed bed of material of rubble on the spot, the level of confidentiality is joined in marriage pitch and is stablized the mixed bed of material both sides of rubble and road surface with step form overlap joint, the level of confidentiality is joined in marriage pitch and is stablized mixed bed of material upper surface height of rubble and last surface course looks parallel and level, it is equipped with at least one deck with spreading asphalt concrete layer to go up the surface course upper surface. The utility model discloses different lanes top surface equivalent modulus of resilience was close in the structure can make same section to reduce different lane pavement condition and differ greatly to the new influence that adds the black top surface course, delay the vertical reflective cracking in road surface, improve road surface life.
Description
Technical field
The utility model relates to a kind of heavy resurfacing structure processing different carriageway surfacing road conditions and differ greatly.
Background technology
Flexible pavement is the primary structure pattern of China's urban road surfaces, and the flexible pavement built in early days arrives service life, in succession enter maintenance and change, extension stage.Found by investigation, for the cross section pattern of multilane, the pavement disease order of severity in different track often differs larger, and it is the most serious with the track disease that load-bearing is larger, flexure is also maximum, and the track that general load-bearing is larger is positioned at centre, and main cause is that middle lane heavy-duty vehicle frequency of utilization is higher, and the speed of a motor vehicle is comparatively slow, accelerates the damage on road surface.Therefore, for the situation that the different tracks disease order of severity in same section differs, need to there are different old road punishment means.
Summary of the invention
The utility model improves the problems referred to above, and namely the technical problems to be solved in the utility model is a kind of heavy resurfacing structure processing different carriageway surfacing road conditions and differ greatly of design.
First specific embodiments of the present utility model is: specific embodiments of the present utility model is: a kind of heavy resurfacing structure processing different carriageway surfacing road conditions and differ greatly, comprise and there is multiple carriageway surfacings, described road structure is provided with upper layer from top to bottom, middle surface layer, cutting optimal, Cement Stabilized Sand Gravel and soil&stone cushion, the cold in place recycling mixing bed of material is provided with in the middle part of described road structure, described cold in place recycling mixing bed of material upper surface is provided with the dense bitumen stabilization gravel mixing bed of material, described dense bitumen stabilization gravel mixing bed of material both sides and road surface overlap with stepped form, described dense bitumen stabilization gravel mixing bed of material upper level is mutually concordant with upper layer, described upper layer upper surface is provided with at least one deck Paving Bituminous Concrete layer.
Further, described cold in place recycling mixing bed of material top is embedded in the dense bitumen stabilization gravel mixing bed of material.
Further, be provided with between described ground cold regeneration mix layer with the dense bitumen stabilization gravel mixing bed of material there is slurry seal.
Further, described cold in place recycling mixing material layer lower part is embedded in Cement Stabilized Sand Gravel.
Further, the described dense bitumen stabilization gravel mixing bed of material and upper layer seam crossing upper surface are provided with glass fiber grid.
Compared with prior art, the utility model has following beneficial effect:
(1) the utility model damages the otherness overhaul structure making corresponding design, the road surface, both sides that, flexure less for disease is less for the otherness of road surface different parts, just can consider directly to arrange asphalt concrete layer after only need doing simple process to disease; But, then need in the middle part of the road surface that, flexure more for disease is larger to carry out reinforced structure design to old base course, bituminous concrete Rotating fields is added again on its surface, the utility model differs greatly on the impact of new Laying Asphalt Surface Course to reduce different carriageway surfacing situation, delay the longitudinal reflection crack in road surface, improve service life of road surface.
(2) in the utility model the cold in place recycling mixing bed of material with have that the dense bitumen stabilization gravel mixing bed of material is mutually chimeric ensure that integrally-built stability;
(3) in the utility model, the dense bitumen stabilization gravel mixing bed of material and adjacent upper layer seam crossing upper surface are provided with glass fiber grid lid, improve the stress concentration phenomenon of seam crossing, make overall structure more stable.
Accompanying drawing explanation
Fig. 1 is road surface structural layout plan before transformation.
Fig. 2 is road surface structural layout plan after transformation.
In figure: 1-upper layer, surface layer in 2-, 3-cutting optimal, 4-Cement Stabilized Sand Gravel, 5-soil&stone cushion, 6,7-Paving Bituminous Concrete layer, the 8-dense bitumen stabilization gravel mixing bed of material, 9-slurry seal, the 10-cold in place recycling mixing bed of material, 11-glass fiber grid.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Illustrate that concrete Pavement Improvement structure illustrates with example below:
Be illustrated in figure 1 the road structure before overhaul, comprise upper layer 1, middle surface layer 2, cutting optimal 3, Cement Stabilized Sand Gravel 4, soil&stone cushion 5, one deck modified emulsifying asphalt adhesion coating can be provided with between each surface layer, between basic unit and surface layer, be provided with one deck slurry seal 9, described upper layer 1 is particulate formula modified asphalt concrete layer, described middle surface layer 2 is middle grain formula asphalt concrete layer, and described cutting optimal 3 is Coarse Graded Bituminous Concrete layer.
Fig. 2 is the road structure after overhaul, the cold in place recycling mixing bed of material 10 is provided with in the middle part of described road structure, the described cold in place recycling mixing bed of material 10 upper surface is provided with the dense bitumen stabilization gravel mixing bed of material 8, the described dense bitumen stabilization gravel mixing bed of material 8 both sides and road surface overlap with stepped form, the described dense bitumen stabilization gravel mixing bed of material 8 upper level is mutually concordant with upper layer 1, and described upper layer upper surface is provided with at least one deck Paving Bituminous Concrete layer (6,7).
The described cold in place recycling mixing bed of material 10 top is embedded in the dense bitumen stabilization gravel mixing bed of material 8, and the described cold in place recycling mixing bed of material 10 bottom is embedded in Cement Stabilized Sand Gravel 4.Be provided with between described ground cold regeneration mix layer 10 with the dense bitumen stabilization gravel mixing bed of material 8 and there is slurry seal 9.
The dense bitumen stabilization gravel mixing bed of material 8 and upper layer 1 seam crossing upper surface are provided with glass fiber grid 11.
The described dense bitumen stabilization gravel mixing bed of material 8 upper surface absolute altitude is mutually concordant with track, side upper layer 1, and described upper layer 1 upper surface is provided with at least one deck asphalt concrete layer.In the present embodiment, add and be covered with layers of asphalt layer of concrete, be specially the AC-20C modification Paving Bituminous Concrete layer 7 of SMA-13 Paving Bituminous Concrete layer 6, the 8cm thickness of 4cm thickness.
The heavy resurfacing structure technology scheme that the different carriageway surfacing situation of concrete process differs greatly is: be first 4.55m in conjunction with on-the-spot cold regeneration construction width determination on-the-spot cold regeneration Road width, the old 16cm asphalt surface course of milling within the scope of on-the-spot cold regeneration Road width, comprise upper layer 1, middle surface layer 2, cutting optimal 3, do on-the-spot complete dark formula cold in place recycling after leveling and form ground cold regeneration mix layer 10.Add cement with newly gathering materials toward thick 5% cement Stability Gravel of about 21cm to do 25cm on-the-spot complete dark formula cold in place recycling and is formed, then spray one deck priming oil, priming oil employing PC-2 modified emulsifying asphalt, consumption is 0.7 ~ 1.5L/m2, then does 1cm slurry seal 9; Then overlay 12cmATB-25 dense bitumen stabilization gravel above and form the dense bitumen stabilization gravel mixing bed of material 8, consistent with absolute altitude before upper layer outrigger location to absolute altitude; Respectively lay glass fiber grid 11 across seam 1m at seam crossing, then spill one deck sticking layer oil, sticking layer oil adopts PC-3 modified emulsifying asphalt, and consumption is 0.3 ~ 0.6L/m2; Then whole section 8cmAC-20C modification Paving Bituminous Concrete layer 7 together, then spill one deck sticking layer oil, sticking layer oil adopts PC-3 modified emulsifying asphalt, and consumption is 0.3 ~ 0.6L/m2; Finally pave 4cmSMA-13 modification Paving Bituminous Concrete layer 6.
In the utility model, described cold in place recycling mixing bed of material top embeds and overlays in the dense bitumen stabilization gravel mixing bed of material, cold in place recycling mixing material layer lower part is embedded in Cement Stabilized Sand Gravel, and dense bitumen stabilization gravel and upper layer 1, middle surface layer 2, cutting optimal 3 is mutually chimeric ensure that integrally-built stability;
And the stepped stability also ensured further between the dense bitumen stabilization gravel mixing bed of material and adjacent surface layer in cross section, dense bitumen stabilization gravel mixing bed of material both sides.
The foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (5)
1. the heavy resurfacing structure processing different carriageway surfacing road conditions and differ greatly, comprise and there is multiple carriageway surfacings, described road structure is provided with upper layer from top to bottom, middle surface layer, cutting optimal, Cement Stabilized Sand Gravel and soil&stone cushion, it is characterized in that, the cold in place recycling mixing bed of material is provided with in the middle part of described road structure, described cold in place recycling mixing bed of material upper surface is provided with the dense bitumen stabilization gravel mixing bed of material, described dense bitumen stabilization gravel mixing bed of material both sides and road surface overlap with stepped form, described dense bitumen stabilization gravel mixing bed of material upper level is mutually concordant with upper layer, described upper layer upper surface is provided with at least one deck Paving Bituminous Concrete layer.
2. a kind of heavy resurfacing structure processing different carriageway surfacing road conditions and differ greatly according to claim 1, it is characterized in that, described cold in place recycling mixing bed of material top is embedded in the dense bitumen stabilization gravel mixing bed of material.
3. a kind of heavy resurfacing structure processing different carriageway surfacing road conditions and differ greatly according to claim 1, is characterized in that, is provided with and has slurry seal between described ground cold regeneration mix layer with the dense bitumen stabilization gravel mixing bed of material.
4. a kind of heavy resurfacing structure processing different carriageway surfacing road conditions and differ greatly according to claim 1, it is characterized in that, described cold in place recycling mixing material layer lower part is embedded in Cement Stabilized Sand Gravel.
5. a kind of heavy resurfacing structure processing different carriageway surfacing road conditions and differ greatly according to claim 1, is characterized in that, the described dense bitumen stabilization gravel mixing bed of material and adjacent upper layer seam crossing upper surface are provided with glass fiber grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520548259.XU CN204849511U (en) | 2015-07-27 | 2015-07-27 | Handle road surface overhaul structure that different lane road surfaces road conditions differed greatly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520548259.XU CN204849511U (en) | 2015-07-27 | 2015-07-27 | Handle road surface overhaul structure that different lane road surfaces road conditions differed greatly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204849511U true CN204849511U (en) | 2015-12-09 |
Family
ID=54740079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520548259.XU Withdrawn - After Issue CN204849511U (en) | 2015-07-27 | 2015-07-27 | Handle road surface overhaul structure that different lane road surfaces road conditions differed greatly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204849511U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105002800A (en) * | 2015-07-27 | 2015-10-28 | 福州市规划设计研究院 | Pavement overhaul method and structure for treating different lane road surfaces with large road condition differences |
| CN113718580A (en) * | 2021-09-14 | 2021-11-30 | 中交一公局集团有限公司 | Anti-crack pavement structure and construction method |
-
2015
- 2015-07-27 CN CN201520548259.XU patent/CN204849511U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105002800A (en) * | 2015-07-27 | 2015-10-28 | 福州市规划设计研究院 | Pavement overhaul method and structure for treating different lane road surfaces with large road condition differences |
| CN105002800B (en) * | 2015-07-27 | 2017-04-12 | 福州市规划设计研究院 | Pavement overhaul method and structure for treating different lane road surfaces with large road condition differences |
| CN113718580A (en) * | 2021-09-14 | 2021-11-30 | 中交一公局集团有限公司 | Anti-crack pavement structure and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202865716U (en) | Modified bituminous mixture pavement | |
| CN202787044U (en) | Longitudinal crack treatment structure for bituminous concrete pavement | |
| CN105735081B (en) | A kind of vibration damping road structure and its construction method | |
| CN202175897U (en) | Road surface glass fiber reinforcing sub-seal layer structure | |
| CN207227890U (en) | A kind of environment protection asphalt pavement structure | |
| CN103215875B (en) | A kind of anti-fatigue asphalt pavement based on differential settlement | |
| CN106120524B (en) | A kind of road construction method on pavement and non-motorized lane intersection | |
| CN104452510B (en) | Immediate construction method of rural road | |
| CN201296895Y (en) | Vertical cracking pavement repair structure | |
| CN103741570A (en) | Asphalt pavement paving method achieving quick construction and forming | |
| CN102051848B (en) | HMA/CC (Hot-Mix Asphalt)/(Cement Concrete) composite type pavement structure and constructing method thereof | |
| CN104911974A (en) | Inclined prestress cement concrete-asphalt concrete composite pavement and construction method thereof | |
| CN204849511U (en) | Handle road surface overhaul structure that different lane road surfaces road conditions differed greatly | |
| CN105002800A (en) | Pavement overhaul method and structure for treating different lane road surfaces with large road condition differences | |
| CN206512547U (en) | A kind of repairing type bituminous paving | |
| CN208803318U (en) | A kind of hot-zone Airport Asphalt structure of heavy traffic summer | |
| CN101748672A (en) | Cold-regenerated road surface structure | |
| CN205329452U (en) | Cold regeneration basic unit road surface structure of emulsified asphalt | |
| CN103334365B (en) | The paving structure of a kind of fast quick-recovery road surface and bridge floor function and paving method | |
| CN108301276A (en) | A kind of long-life tencel concrete road surface structure and construction method | |
| RU121515U1 (en) | ROAD CLOTHING | |
| CN204662193U (en) | Oblique prestressing force cement concrete-bituminous concrete composite pavement | |
| CN216551386U (en) | New old bituminous paving basic unit of environment-friendly links up structure | |
| CN110205895A (en) | A kind of green low-carbon environment-friendly type road structure using regrown material | |
| CN202194048U (en) | Pavement structure for joining part of new and old roads |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151209 Effective date of abandoning: 20170412 |
|
| AV01 | Patent right actively abandoned |