CN210287998U - Road surface repaired regeneration asphalt structure - Google Patents
Road surface repaired regeneration asphalt structure Download PDFInfo
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- CN210287998U CN210287998U CN201920347545.8U CN201920347545U CN210287998U CN 210287998 U CN210287998 U CN 210287998U CN 201920347545 U CN201920347545 U CN 201920347545U CN 210287998 U CN210287998 U CN 210287998U
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- pavement
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Abstract
The utility model provides a regenerated asphalt structure for road surface repair, which comprises a prefabricated layer, a regenerated asphalt concrete layer laid above the prefabricated layer and a regenerated asphalt surface layer laid above the regenerated asphalt concrete layer; the prefabricated layer and the regenerated asphalt concrete layer are both positioned in a disease excavation area of the original asphalt pavement, and the regenerated asphalt surface layer is flush with the upper surface of the original asphalt pavement; the prefabricated layer is formed by at least two basic unit prefab concatenations, fills the regeneration pitch layer between the adjacent basic unit prefab. The utility model discloses the excavation region is directly put into to the basic unit prefab of research and development, need not wait for to solidify just can directly be under construction regeneration asphalt concrete layer and regeneration pitch surface course, can open the traffic fast after laying.
Description
Technical Field
The utility model relates to a reclaimed asphalt field especially relates to a reclaimed asphalt structure of road surface repairing.
Background
With the great increase of road traffic flow, the conditions of vehicle overload and the like become more serious, and the damage of the road surface is accelerated. And various diseases can be generated on the aged pavement, so that the service performance of the pavement is influenced.
Therefore, there is a need for a reclaimed asphalt structure that can quickly repair a pavement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a can repair regeneration asphalt structure on road surface fast, traditional regeneration asphalt concrete need vibrate before solidifying and roll, the utility model discloses the basic unit prefab of research and development directly puts into the excavation region, need not wait to solidify and just can directly construct regeneration asphalt concrete layer and regeneration asphalt surface course, can open the traffic fast after laying.
Realize the utility model discloses the technical scheme of purpose as follows:
a regenerated asphalt structure capable of quickly repairing a road surface comprises a prefabricated layer, a regenerated asphalt concrete layer paved above the prefabricated layer, and a regenerated asphalt surface layer paved above the regenerated asphalt concrete layer;
the prefabricated layer and the regenerated asphalt concrete layer are both positioned in a disease excavation area of the original asphalt pavement, and the regenerated asphalt surface layer is flush with the upper surface of the original asphalt pavement;
the prefabricated layer is formed by splicing at least two basic unit prefabricated members, and a regenerated asphalt layer is filled between the adjacent basic unit prefabricated members.
The utility model discloses the excavation region is directly put into to the basic unit prefab of research and development, need not wait for to solidify just can directly be under construction regeneration asphalt concrete layer and regeneration pitch surface course, can open the traffic fast after laying.
As a further improvement of the present invention, the peripheral wall of the base layer prefabricated member is provided with a connecting assembly, and the connecting assemblies on two adjacent base layer prefabricated members are connected to each other. The utility model discloses a coupling assembling can be closely and reliable connection two basic unit's prefabs, and stability is good.
As a further improvement of the present invention, the connecting assembly includes an extending member and an inserting member, the extending member and the inserting member are assembled in a pair by buckling, the extending member is provided with a through hole, and an axis of the through hole is along a thickness direction of the extending member; the embedded part is provided with a hook which is embedded in the through hole of the extending part.
As a further improvement of the invention, the extension and the insert are located on different side walls of the base preform.
As a further improvement of the present invention, the extension member is disposed on two adjacent side walls of the base layer prefabricated member, and the insertion member is disposed on the other two adjacent side walls of the base layer prefabricated member.
As a further improvement of the utility model, the peripheral wall of the extension piece is a rough surface, and the peripheral wall of the embedding piece is also a rough surface.
As a further improvement of the utility model, the rough surface is corrugated or zigzag.
As the utility model discloses a further improvement, the lower surface downwardly extending of basic unit's prefab expands the body, and this inflation body comprises a plurality of intersecting cylinders, and intersecting cylinder is flat shape to be equipped with the inflation hole on the intersecting cylinder, the inflation hole extends to the lower surface of basic unit's prefab always. The expansion holes form expansion areas for the base layer prefabricated member to expand with heat and contract with cold.
As a further improvement, the disease excavation is distinguished and is had multilayer prefabricated layer, has laid regeneration pitch between the adjacent two-layer prefabricated layer.
As the utility model discloses a further improvement, the quartering is crossing between each cylinder, and the nodical back of every four columniform sets up the fixed column, and the fixed column inserts the upper surface of the basic unit prefab of lower floor, and the upper surface of preferred basic unit prefab is equipped with and supplies fixed column male cavity.
Compared with the prior art, the beneficial effects of the utility model are that:
1. traditional regeneration asphalt concrete need vibrate before solidifying and roll, the utility model discloses the basic unit prefab of research and development directly puts into the excavation region, need not wait to solidify and just can directly be under construction regeneration asphalt concrete layer and regeneration pitch surface course, can open the traffic fast after laying.
2. The utility model discloses earlier open the disease area to the road bed of digging former road surface, then lay one deck regeneration asphalt concrete layer on the road bed, place the basic unit's prefab that the polylith spliced mutually on regeneration asphalt concrete layer, lay regeneration asphalt concrete layer and regeneration pitch surface course on the prefab of basic unit at last.
Drawings
FIG. 1 is a schematic representation of the structure of reclaimed asphalt;
FIG. 2 is a schematic view of a single preform layer;
FIG. 3 is a schematic view of a base layer preform;
FIG. 4 is a schematic view of the fastening of an extension member on one substrate preform to an insert member on another substrate preform;
FIG. 5 is a schematic view showing the positional relationship between the quartered intersecting hollow cylinders and the fixed column;
in the figure, 1, a reclaimed asphalt surface course; 2. regenerating the asphalt concrete layer; 3. prefabricating a layer; 31. a base layer prefabricated member; 311. an extension member; 312. an insert; 313. a cylinder; 314. fixing a column; 100. a primary surface layer; 200. an original intermediate layer; 300. a roadbed layer;
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
In the description of the present embodiments, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The regenerated asphalt of the embodiment is prepared by the steps of digging, recycling, heating, crushing and screening the old asphalt pavement needing to be renovated or discarded by special pavement regeneration equipment, and then mixing the old asphalt pavement with a regenerant, new asphalt, new aggregate and the like again according to a certain proportion to form a mixture, so that the regenerated asphalt meets a certain pavement performance and is paved on the pavement again.
As shown in fig. 1-5, the present embodiment discloses a recycled asphalt structure capable of rapidly repairing a road surface, which is spliced with an original road surface, and comprises a precast layer 3, a recycled asphalt concrete layer 2 laid on the precast layer 3, and a recycled asphalt surface layer 1 laid on the recycled asphalt concrete layer 2;
the prefabricated layer 3 and the regenerated asphalt concrete layer 2 are both positioned in a disease excavation area of the original asphalt pavement, and the regenerated asphalt surface layer 1 is flush with the upper surface of the original asphalt pavement; the prefabricated layer 3 is formed by splicing a plurality of base layer prefabricated members 31, the peripheral wall of each base layer prefabricated member 31 is provided with connecting components, and the connecting components on two adjacent base layer prefabricated members 31 are connected with each other.
It should be noted that: the fixing mode of the prefabricated layer 3 in this embodiment is the same as the conventional asphalt construction mode, and the connection between the prefabricated layer 3 and the original asphalt pavement is also the prior art, and this embodiment is not repeated.
Preferably, the prefabricated layer 3 is located at 1/4-2/3 positions of the disease excavation area from bottom to top in the whole depth, when the lower surface of the prefabricated layer 3 is lower than the 1/4 position of the lower portion, the lower surface of the prefabricated layer 3 is closer to the bottom surface of the disease excavation area, the regenerated asphalt concrete layer 2 at the bottommost layer is thinner, and the thinner regenerated asphalt concrete layer 2 and the prefabricated layer 3 are not tightly fixed; when the upper surface of the prefabricated layer 3 is higher than 2/3 positions of the damaged excavation area, the distance between the upper surface of the prefabricated layer 3 and the surface layer of the original pavement is too small, so that the regenerated asphalt concrete cannot be firmly filled, and the strength of the original asphalt pavement is reduced.
Preferably, the pre-fabricated layer 3 is located on the roadbed layer 300. Above the roadbed layer 300 are the original middle layer 200 and the original surface layer 100.
The connecting assembly comprises an extending piece 311 and an embedded piece 312, wherein the extending piece 311 on one base layer prefabricated piece and the embedded piece 312 on the other base layer prefabricated piece are buckled and assembled in pairs, a through hole is formed in the extending piece 311, and the axis of the through hole is along the thickness direction of the extending piece 311; the insert 312 has a hook, and the hook is inserted into the through hole of the extension 311; gaps are formed between the base prefabricated members 31 on the outermost sides and the peripheral walls of the damaged excavation areas, and the gaps are filled with modified asphalt, cement mortar or sealing fillers. Gaps between the extending pieces 311 and the embedding pieces 312 on the outermost base layer prefabricated members 31 and the peripheral walls of the damaged excavation area are filled with modified asphalt, cement mortar or sealing filler.
The extension piece 311 and the embedded piece 312 are positioned on different side walls of the base layer prefabricated member 31, preferably, the extension piece 311 is arranged on two adjacent side walls of the base layer prefabricated member 31, the embedded piece 312 is arranged on the other two adjacent side walls of the base layer prefabricated member 31, the peripheral wall of the extension piece 311 is a rough surface, and preferably, the rough surface is corrugated or zigzag;
an expansion body extends downwards from the lower surface of the base layer prefabricated member 31, the expansion body is composed of a plurality of intersecting cylinders 313, the intersecting cylinders 313 are flat, and expansion holes are formed in the intersecting cylinders 313 and extend to the lower surface of the base layer prefabricated member 31. The plurality of expansion holes form expansion areas for the base layer preform 31 to expand with heat and contract with cold.
The cylinders 313 are preferably intersected in four equal parts, fixing columns 314 are arranged on the back of the intersection points of every four cylinders 313, the fixing columns 314 are inserted into the upper surface of the underlying base layer prefabricated member 31, and preferably, cavities for inserting the fixing columns 314 are formed in the upper surface of the base layer prefabricated member 31.
The extension 311 extends outward from the sidewall of the base preform 31, and the insert 312 also extends outward from the outer sidewall of the base preform 31. The cross section of the insert 312 along the thickness direction of the base preform 31 is semicircular, the peripheral wall of the insert 312 is also rough, the rough surface of the insert 312 is matched with the rough surface of the extension 311, and the rough surface of the insert 312 is also corrugated or zigzag, corresponding to the corrugated or zigzag on the extension 311, and the two are tightly matched.
3-5 extending pieces 311 and embedded pieces 312 on the base layer prefabricated member 31 are provided, the extending pieces 311 or the 3-5 embedded pieces 312 are distributed on the side wall of the base layer prefabricated member 31, and the extending piece 311 of one base layer prefabricated member 31 is buckled with the embedded piece 312 of the other base layer prefabricated member 31.
The base prefabricated member 31 of the embodiment is generally prepared in a prefabrication factory, and then is transported to a site needing construction, when the base prefabricated member is prefabricated in the prefabrication factory, modified asphalt concrete or concrete is poured into a mold, the mold is compacted and tamped, and after the modified asphalt concrete or concrete is initially set, the mold is detached and is watered for maintenance. The mold is adapted to the shape of the base preform 31.
In the embodiment, by means of the elastic deformation principle that the four halves of the intersecting hollow cylinders 313 are symmetrical in all directions, the deformation area can be formed on the base layer prefabricated member 31, an effective space for thermal expansion and cold contraction deformation is provided for the prefabricated base layer prefabricated member 31 when being used in any environment, and the fixing columns 314 on the back of the base layer prefabricated member 31 are exactly located at the intersection points of the four cylinders 313, so that the deformation of the cylinders 313 can not be influenced. Compared with the traditional prefabricated part splicing seam, the embodiment can tightly and reliably connect the two base layer prefabricated parts 31, and is beautiful and firm.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A regenerated asphalt structure for repairing a road surface is characterized by comprising a prefabricated layer, a regenerated asphalt concrete layer paved above the prefabricated layer and a regenerated asphalt surface layer paved above the regenerated asphalt concrete layer;
the prefabricated layer and the regenerated asphalt concrete layer are both positioned in a disease excavation area of the original asphalt pavement, and the regenerated asphalt surface layer is flush with the upper surface of the original asphalt pavement;
the prefabricated layer is formed by splicing at least two basic unit prefabricated members, and a regenerated asphalt layer is filled between the adjacent basic unit prefabricated members.
2. The reclaimed asphalt structure for pavement patching according to claim 1, wherein the circumferential wall of the base layer preform is provided with connecting members, and the connecting members of two adjacent base layer preforms are connected to each other.
3. The asphalt pavement patching structure of claim 2, wherein the connecting assembly comprises an extension piece and an insert piece, the extension piece and the insert piece are assembled in a pair-fastening manner, the extension piece is provided with a through hole, and the axis of the through hole is along the thickness direction of the extension piece; the embedded part is provided with a hook which is embedded in the through hole of the extending part.
4. The reclaimed asphalt structure for pavement patching according to claim 3, wherein the extension member and the insert member are located on different sidewalls on the base preform.
5. The reclaimed asphalt structure for pavement patching according to claim 3 or 4, wherein the peripheral wall of the extension member is roughened, and the peripheral wall of the insert member is also roughened.
6. The reclaimed asphalt structure for pavement patching according to any one of claims 1 to 4, wherein the lower surface of the base preform is extended downward by an expansion body, the expansion body is formed by a plurality of intersecting cylinders, the intersecting cylinders are flat, and the intersecting cylinders are provided with expansion holes, and the expansion holes extend to the lower surface of the base preform.
7. The reclaimed asphalt structure for pavement patching according to claim 6, wherein the disease excavation area is internally provided with a plurality of prefabricated layers, and reclaimed asphalt is paved between two adjacent prefabricated layers;
the cylinders are intersected in a quartering mode, fixing columns are arranged on the back faces of intersection points of every four cylinders, the fixing columns are inserted into the upper surface of the lower-layer base layer prefabricated part, and cavities for inserting the fixing columns are formed in the upper surface of the base layer prefabricated part.
8. The reclaimed asphalt structure for pavement patching according to claim 1, wherein the damaged excavation area is internally provided with a plurality of prefabricated layers, and reclaimed asphalt is paved between two adjacent prefabricated layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920347545.8U CN210287998U (en) | 2019-03-19 | 2019-03-19 | Road surface repaired regeneration asphalt structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920347545.8U CN210287998U (en) | 2019-03-19 | 2019-03-19 | Road surface repaired regeneration asphalt structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210287998U true CN210287998U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920347545.8U Expired - Fee Related CN210287998U (en) | 2019-03-19 | 2019-03-19 | Road surface repaired regeneration asphalt structure |
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| Country | Link |
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| CN (1) | CN210287998U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113998923A (en) * | 2021-11-16 | 2022-02-01 | 山东高速工程咨询集团有限公司 | Asphalt concrete prefabricated part based on solid waste material and preparation method thereof |
-
2019
- 2019-03-19 CN CN201920347545.8U patent/CN210287998U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113998923A (en) * | 2021-11-16 | 2022-02-01 | 山东高速工程咨询集团有限公司 | Asphalt concrete prefabricated part based on solid waste material and preparation method thereof |
| CN113998923B (en) * | 2021-11-16 | 2022-10-21 | 山东高速工程咨询集团有限公司 | Asphalt concrete prefabricated part based on solid waste material and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200410 Termination date: 20210319 |
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| CF01 | Termination of patent right due to non-payment of annual fee |