CN114808594A - Asphalt pavement repairing structure - Google Patents
Asphalt pavement repairing structure Download PDFInfo
- Publication number
- CN114808594A CN114808594A CN202210495497.3A CN202210495497A CN114808594A CN 114808594 A CN114808594 A CN 114808594A CN 202210495497 A CN202210495497 A CN 202210495497A CN 114808594 A CN114808594 A CN 114808594A
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- CN
- China
- Prior art keywords
- pavement
- repairing
- groove
- asphalt pavement
- pit
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- 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.)
- Pending
Links
- 239000010426 asphalt Substances 0.000 title claims abstract description 48
- 238000003466 welding Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000000945 filler Substances 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 9
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 239000002002 slurry Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
- E01C7/187—Repairing bituminous covers, e.g. regeneration of the covering material in situ, application of a new bituminous topping
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- Road Repair (AREA)
Abstract
The invention discloses an asphalt pavement repairing structure, which comprises a pavement repairing groove arranged on the upper part of a pit on the surface of an asphalt pavement, wherein the depth part of the pavement repairing groove is higher than the depth of the pit, the bottom of the pit is positioned in the middle of the bottom of the pavement repairing groove, and the bottom of the pavement repairing groove is a plane; and a repairing frame is laid at the bottom of the pavement repairing groove. Has the advantages that: when the asphalt pavement is repaired, pavement and roadbed materials in the pits do not need to be completely dug out, the repairing operation is more convenient and quicker, and the safety is good; the transportation cost of the waste is reduced; after the pavement is repaired, the repairing frame can be used as a support for the filler on the upper part of the pavement repairing groove, so that the deformation resistance of the asphalt filler after the pavement is repaired is improved, the filler on the upper part can be isolated from the pavement foundation below the pits, the influence of the defects of the pavement foundation on the filler after the pavement is repaired is reduced, the pits are prevented from being sunken again, and the repairing effect is good.
Description
Technical Field
The invention relates to the technical field of pavement repair, in particular to an asphalt pavement repair structure.
Background
Asphalt pavement, as a typical flexible pavement, is prone to cumulative deformation under repeated loads due to large deflection deformation and small bending strength under the loads. Among them, the pits are one of the most common failure states on asphalt pavement. The reason for the formation of the pits is multiple, and the most common reason is that the asphalt pavement is unevenly paved, so that the degree of compaction of the aggregates in a partial pavement area is insufficient, and after the pavement is rolled, although the position can keep the same state and flatness as the conventional position, the pit is easily formed after the vehicle is rolled, and finally, a deeper pit is formed. The conventional pit repairing mode is direct filling, namely asphalt mixture is directly filled in the pits and is rolled and molded, when the mode is adopted for repairing, the roadbed structure is easy to be unstable due to the fact that part of roadbed below the pits is infiltrated by rainwater for a long time, after direct filling and rolling, the state of the lower layer structure of the road surface is not improved, and the pits are easy to appear again after rolling by vehicles; the method can also be used for repairing by replacing pavement materials, namely, a groove with the diameter larger than that of the pit is directly formed in the pavement at the pit, the asphalt mixture and the unstable pavement foundation in the groove are dug downwards, and then the asphalt mixture is filled in the groove. Based on this, the applicant provides an asphalt pavement repairing structure which is convenient to operate, good in safety and low in cost.
Disclosure of Invention
The present invention is directed to provide an asphalt pavement repair structure for solving the above problems, and a preferred embodiment of the present invention includes: the method has the technical effects of convenient operation, low repair cost, good safety and the like, and is explained in detail below.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides an asphalt pavement repairing structure, which comprises a pavement repairing groove arranged on the upper part of a pit on the surface of an asphalt pavement, wherein the depth part of the pavement repairing groove is higher than the depth of the pit, the bottom of the pit is positioned in the middle of the bottom of the pavement repairing groove, and the bottom of the pavement repairing groove is a plane;
a repairing frame is laid at the bottom of the pavement repairing groove, and the vertical projection of the repairing frame completely covers the concave pit;
the inner side of the repairing frame is provided with a plurality of positioning embedded feet which are uniformly distributed in the circumferential direction of the inner side of the repairing frame, the lower parts of the positioning embedded feet vertically extend downwards to form the bottom surface of the repairing frame, and the circumferential direction of the positioning embedded feet is provided with a crack pouring overflow part.
Preferably, the repair frame comprises an inner net frame and an outer frame, the inner net frame is arranged on the inner side of the outer frame, and the edge of the inner net frame is matched with the inner wall of the outer frame in a welding mode.
Preferably, the height of the inner net rack is consistent with that of the outer frame, the inner net rack comprises a flat plate part and a lower supporting part, the lower supporting part is vertically arranged in the middle of the bottom of the flat plate part, and the sum of the height of the lower supporting part and the height of the flat plate part is consistent with that of the outer frame.
Preferably, the lower support part is a vertical plate part with the thickness consistent with that of the flat plate part, and the flat plate part and the vertical plate part are welded and fixed with the inner edge of the outer frame body.
Preferably, the outer frame body is of a circular ring structure and is formed by welding a steel strip with uniform thickness end to end, and the thickness of the outer frame body is larger than that of the flat plate part.
Preferably, the positioning caulking legs are welded and fixed with the inner wall of the outer frame body, and seam filling holes communicated with the seam filling overflow part are formed in the tops of the positioning caulking legs.
Preferably, the pouring overflow part is a plurality of pouring grooves, the pouring grooves extend downwards from the middle of the positioning embedded leg to the bottom of the positioning embedded leg, and the pouring grooves are uniformly distributed in the circumferential direction of the positioning embedded leg.
Preferably, the width of the potting groove is 3mm-5 mm.
Preferably, the seam filling overflow part is provided with a plurality of overflow holes, and the overflow holes are uniformly formed in the circumferential direction of the lower part of the positioning embedded foot.
Preferably, the diameter of the overflow hole is 5mm-10 mm.
In conclusion, the beneficial effects of the invention are as follows: 1. when the asphalt pavement is repaired, pavement and roadbed materials in the pits do not need to be completely dug out, the repairing operation is more convenient and quicker, and the safety is good;
2. after the pavement repairing groove is formed in the pavement, the asphalt material waste generated by grooving the pit can be filled into the lower part of the pit, so that the transportation cost of the waste is reduced;
3. after the pavement is repaired, the repairing frame can be used as a support for the filler on the upper part of the pavement repairing groove, so that the deformation resistance of the asphalt filler after the pavement is repaired is improved, the filler on the upper part can be isolated from the pavement foundation below the pits, the influence of the defects of the pavement foundation on the filler after the pavement is repaired is reduced, the pits are prevented from being sunken again, and the repairing effect is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic bottom view of the present invention;
FIG. 4 is an enlarged schematic view of portion A of FIG. 3;
FIG. 5 is a schematic structural view of the initial repair state of the present invention;
fig. 6 is a schematic structural view of the repair completion state of the present invention.
The reference numerals are explained below:
1. a repair frame; 11. an outer frame body; 12. an inner net frame; 12a, a flat plate portion; 12b, a vertical plate portion; 2. positioning the embedded leg; 3. a crack pouring overflow part; 4. filling a seam hole; 5. a pavement restoration groove; 6. a pit; 7. a foot embedding groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It should be apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1 to 6, the present invention provides an asphalt pavement repairing structure, including a pavement repairing groove 5 provided on an upper portion of a pit 6 on a surface of an asphalt pavement, a depth portion of the pavement repairing groove 5 is higher than a depth of the pit 6, and a bottom of the pit 6 is located in a middle of a bottom surface of the pavement repairing groove 5, and the bottom surface of the pavement repairing groove 5 is a plane;
a repairing frame 1 is laid at the bottom of the pavement repairing groove 5, and the vertical projection of the repairing frame 1 completely covers the pit 6; the repairing frame 1 is used as an upper protective structure of a lower structure of the pit 6, and is used as a pressure-bearing structure above the pit 6 after asphalt mixture is filled and compacted in the pavement repairing groove 5, so that the load acting on the bottom of the pit 6 is weakened, and the pit 6 is prevented from continuously deforming;
When in use, the pavement repairing groove 5 is firstly arranged on the upper part of the pit 6 of the asphalt pavement, the pavement repairing groove 5 is a circular groove, and the upper edge of the pit 6 is ensured to be completely within the range of the pavement repairing groove 5; after grooving, leveling the bottom of the pavement repairing groove 5 and arranging a foot embedding groove 7, wherein the depth of the foot embedding groove 7 is 210mm-15mm lower than that of the positioning foot embedding, so that the foot tilting is prevented, pavement materials are cleaned after grooving, and the lower space of the pit 6 can also be filled with the cleaned pavement materials; placing the repairing frame 1, embedding the positioning embedded leg 2 into the embedded leg groove 7, and flatly paving the repairing frame 1 at the bottom of the pavement repairing groove 5 to ensure that the pavement repairing groove 5 completely covers the lower edge of the pit 6; filling asphalt slurry, namely filling hot asphalt slurry into the positioning caulking pieces 2 and the pits 6, combining the hot asphalt slurry with the inner walls of the caulking grooves 7 after the hot asphalt slurry overflows along the crack pouring overflow part 3, and simultaneously combining the asphalt slurry filled into the pits 6 with fillers in the asphalt slurry to form a stable structure; and finally, filling a new asphalt mixture into the pavement repairing groove 5 and compacting to finish repairing operation.
The repairing frame 1 consists of an inner net frame 12 and an outer frame body 11, wherein the inner net frame 12 is arranged on the inner side of the outer frame body 11, and the edge of the inner net frame 12 is in welded fit with the inner wall of the outer frame body 11; the height of the inner net frame 12 is consistent with the height of the outer frame body 11, and the inner net frame 12 comprises a flat plate part 12a and a lower supporting part, the lower supporting part is vertically arranged in the middle of the bottom of the flat plate part 12a, and the sum of the height of the lower supporting part and the height of the flat plate part 12a is consistent with the height of the outer frame body 11; the lower supporting part is a vertical plate part 12b with the thickness consistent with that of the flat plate part 12a, and the flat plate part 12a and the vertical plate part 12b are welded and fixed with the inner edge of the outer frame body 11; the flat plate part 12a and the vertical plate part 12b form a T-shaped structure, and the bearing capacity of vertical load can be improved, so that after the inner net frame 12 is used as a bearing structure above the pit 6, when vertical driving load is borne, the load can be dispersed to the bottom of the pavement restoration groove 5 and the positioning embedded leg 2, and the pit 6 is prevented from being deformed by being pressed again;
the outer frame body 11 is of a circular ring structure and is formed by welding a steel strip with uniform thickness end to end, and the thickness of the outer frame body 11 is larger than that of the flat plate part 12 a; after the inner net frame 12 bears vertical load, the outer frame body 11 tends to deform towards the center, and the thickness of the outer frame body 11 is larger than that of the flat plate part 12a so as to ensure the structural stability of the outer frame body, and the outer frame body 11 can be made of a steel plate material with the thickness of 10mm-15mm in a conventional state;
the positioning caulking legs 2 are fixedly welded with the inner wall of the outer frame body 11, and the top of each positioning caulking leg 2 is provided with a crack pouring hole 4 communicated with the crack pouring overflow part 3; the seam filling overflow part 3 is a plurality of pouring grooves, the pouring grooves extend downwards from the middle part of the positioning embedded leg 2 to the bottom of the positioning embedded leg 2, and the pouring grooves are uniformly distributed in the circumferential direction of the positioning embedded leg 2; the width of the encapsulating groove is 3mm-5 mm; the slot-shaped crack pouring overflow part 3 is adopted, so that blockage can be avoided, and when hot asphalt slurry is poured, the asphalt slurry can be ensured to enter the fillet groove 7 through the crack pouring hole 4;
the seam filling overflow part 3 is provided with a plurality of overflow holes which are uniformly formed in the circumferential direction of the lower part of the positioning embedded leg 2; the diameter of the overflow hole is 5mm-10mm, the connection point positions of the hot asphalt slurry overflowing through the overflow hole and the positioning embedded foot 2 are more, and the contact between the outer wall of the positioning embedded foot 2 and the embedded foot groove 7 can be tighter.
By adopting the structure, when the asphalt pavement is repaired, pavement and roadbed materials in the pits 6 do not need to be dug out completely, the repairing operation is more convenient and faster, and the safety is good; after the pavement repairing groove 5 is formed in the pavement, the asphalt material waste generated by grooving the pit 6 can be filled into the lower part of the pit 6, so that the transportation cost of the waste is reduced; after the pavement is repaired, the repairing frame 1 can be used as a support for the filler on the upper part of the pavement repairing groove 5, so that the deformation resistance of the asphalt filler after the pavement is repaired is improved, the filler on the upper part can be isolated from the pavement foundation below the pit 6, the influence of the pavement foundation defect on the filler after the pavement is repaired is reduced, the pit 6 is prevented from being depressed again, and the repairing effect is good; is more suitable for pit repair with small area.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and shall cover the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The asphalt pavement repairing structure is characterized by comprising a pavement repairing groove (5) arranged at the upper part of a pit (6) on the surface of an asphalt pavement, wherein the depth part of the pavement repairing groove (5) is higher than the depth of the pit (6), the bottom of the pit (6) is positioned in the middle of the bottom surface of the pavement repairing groove (5), and the bottom surface of the pavement repairing groove (5) is a plane;
a repairing frame (1) is laid at the bottom of the pavement repairing groove (5), and the vertical projection of the repairing frame (1) completely covers the pit (6);
the repairing frame is characterized in that a plurality of positioning embedded feet (2) are arranged on the inner side of the repairing frame (1), the positioning embedded feet (2) are uniformly distributed in the circumferential direction of the inner side of the repairing frame (1), the lower portion of each positioning embedded foot (2) vertically extends downwards to form the bottom surface of the repairing frame (1), and a pouring overflow portion (3) is arranged in the circumferential direction of each positioning embedded foot (2).
2. The asphalt pavement restoration structure according to claim 1, characterized in that: repair frame (1) by interior net rack (12) and outer support body (11) constitute, interior net rack (12) set up in the inboard of outer support body (11), just the border of interior net rack (12) with the inner wall welding cooperation of outer support body (11).
3. The asphalt pavement restoration structure according to claim 2, characterized in that: the height of interior net rack (12) with the highly uniform of outer support body (11), and this interior net rack (12) include dull and stereotyped portion (12a) and lower carriage, the lower carriage vertical set up in the middle of the bottom of dull and stereotyped portion (12a), the height of lower carriage with the highly sum of dull and stereotyped portion (12a) with the highly uniform of outer support body (11).
4. The asphalt pavement repairing structure according to claim 3, characterized in that: the lower supporting part is a vertical plate part (12b) with the thickness consistent with that of the flat plate part (12a), and the flat plate part (12a) and the vertical plate part (12b) are fixedly welded with the inner edge of the outer frame body (11).
5. The asphalt pavement restoration structure according to claim 3, characterized in that: outer support body (11) are the ring structure, and are made by the even steel band end to end welding of a thickness, the thickness of outer support body (11) is greater than the thickness of pallet portion (12 a).
6. The asphalt pavement restoration structure according to claim 2, characterized in that: the positioning caulking pins (2) are welded and fixed with the inner wall of the outer frame body (11), and seam filling holes (4) communicated with the seam filling overflow part (3) are formed in the tops of the positioning caulking pins (2).
7. The asphalt pavement restoration structure according to claim 6, characterized in that: pouring seam overflow portion (3) are many encapsulating grooves, encapsulating groove certainly the middle part downwardly extending of location fillet foot (2) to the bottom of location fillet foot (2), encapsulating groove equipartition is in the circumference of location fillet foot (2).
8. The asphalt pavement restoration structure according to claim 7, characterized in that: the width of the encapsulating groove is 3mm-5 mm.
9. The asphalt pavement restoration structure according to claim 6, characterized in that: the crack pouring overflow part (3) is provided with a plurality of overflow holes, and the overflow holes are uniformly formed in the circumferential direction of the lower part of the positioning embedded foot (2).
10. The asphalt pavement restoration structure according to claim 9, characterized in that: the diameter of the overflow hole is 5mm-10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210495497.3A CN114808594A (en) | 2022-05-08 | 2022-05-08 | Asphalt pavement repairing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210495497.3A CN114808594A (en) | 2022-05-08 | 2022-05-08 | Asphalt pavement repairing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114808594A true CN114808594A (en) | 2022-07-29 |
Family
ID=82513826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210495497.3A Pending CN114808594A (en) | 2022-05-08 | 2022-05-08 | Asphalt pavement repairing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114808594A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19609776A1 (en) * | 1996-03-13 | 1997-09-18 | Reinhold Neider | Manhole cover installed flush with road surface |
| JP2007107316A (en) * | 2005-10-14 | 2007-04-26 | Nagashima Imono Kk | Method of temporarily recovering pavement surface in burying work of underground buried object |
| DE202012003401U1 (en) * | 2012-04-04 | 2012-05-23 | Bornit-Werk Aschenborn Gmbh | Joint tape for insertion in connection or repair joints in the upper area of a road surface |
| US20170167085A1 (en) * | 2015-12-10 | 2017-06-15 | Research Institute of Highway, Ministry of Transport, China | Patch and method for repairing asphalt pavement |
| KR101818919B1 (en) * | 2017-05-11 | 2018-01-17 | 양경용 | Mending method for asphalt road using mending mat |
| CN108086086A (en) * | 2017-12-22 | 2018-05-29 | 河海大学 | A kind of method repaired structure and exploration coring bituminous paving is repaired using it that drills |
| CN108660950A (en) * | 2018-06-28 | 2018-10-16 | 张维秀 | A kind of road and bridge crack reparation fixing device |
| CN215329265U (en) * | 2021-08-03 | 2021-12-28 | 海南大昌源科技发展有限公司 | Quick prosthetic devices of pit on municipal administration road surface |
-
2022
- 2022-05-08 CN CN202210495497.3A patent/CN114808594A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19609776A1 (en) * | 1996-03-13 | 1997-09-18 | Reinhold Neider | Manhole cover installed flush with road surface |
| JP2007107316A (en) * | 2005-10-14 | 2007-04-26 | Nagashima Imono Kk | Method of temporarily recovering pavement surface in burying work of underground buried object |
| DE202012003401U1 (en) * | 2012-04-04 | 2012-05-23 | Bornit-Werk Aschenborn Gmbh | Joint tape for insertion in connection or repair joints in the upper area of a road surface |
| US20170167085A1 (en) * | 2015-12-10 | 2017-06-15 | Research Institute of Highway, Ministry of Transport, China | Patch and method for repairing asphalt pavement |
| KR101818919B1 (en) * | 2017-05-11 | 2018-01-17 | 양경용 | Mending method for asphalt road using mending mat |
| CN108086086A (en) * | 2017-12-22 | 2018-05-29 | 河海大学 | A kind of method repaired structure and exploration coring bituminous paving is repaired using it that drills |
| CN108660950A (en) * | 2018-06-28 | 2018-10-16 | 张维秀 | A kind of road and bridge crack reparation fixing device |
| CN215329265U (en) * | 2021-08-03 | 2021-12-28 | 海南大昌源科技发展有限公司 | Quick prosthetic devices of pit on municipal administration road surface |
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