CN113882213A - Highway damage repairing method - Google Patents
Highway damage repairing method Download PDFInfo
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- CN113882213A CN113882213A CN202111177155.9A CN202111177155A CN113882213A CN 113882213 A CN113882213 A CN 113882213A CN 202111177155 A CN202111177155 A CN 202111177155A CN 113882213 A CN113882213 A CN 113882213A
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- 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
- E01C11/00—Details of pavings
- E01C11/005—Methods or materials for repairing pavings
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Abstract
The application relates to a road damage repairing method, which relates to the field of road surface repairing technology and comprises the following steps of S1, road damage inspection and evaluation; s2, processing the damaged position; s3, drilling; s4, installing a reinforcement cage; s5, repairing; s6, maintaining; and S7, checking the repaired road. This application has the effect of guaranteeing road surface repair position intensity, has the construction simultaneously simply, and the effect that the efficiency of construction is high still has in addition and can use materials on the spot, environmental protection and energy saving's effect.
Description
Technical Field
The application relates to the field of pavement repair technology, in particular to a highway damage repair method.
Background
In recent years, with the continuous development of national economy, the automobile retention capacity is increased year by year, and the logistics industry, the transportation industry and the like are rapidly developed, so that the traffic flow of the highway is continuously increased, particularly, overweight and over-limit vehicles are increased, great pressure is applied to the transportation capacity of the highway, the abrasion of the highway is serious, meanwhile, with the increase of the service life of the highway, the damage of the highway is frequent due to the deformation of roadbed and the like at the lower layer of the road surface, however, the expression forms of the road surface damage are different due to different reasons, the common road surface damage comprises road surface bulging, collapse, cracks and the like, in the existing road surface repairing method, the damaged area is basically crushed and cleaned, and then the road surface is compacted and maintained after filling and repairing fillers, namely, the traffic is recovered.
The traditional Chinese patent with the patent publication number of CN201910197288.9 provides a road surface damage repairing method, wherein a road surface repairing material in the road surface damage repairing method is prepared from the following raw materials in parts by mass: 35-60 parts of Portland cement, 12-20 parts of high-alumina cement, 10-20 parts of crushed pebble powder, 20-30 parts of fine sand, 12-16 parts of calcium stone powder, 1-2 parts of water reducing agent, 1-3 parts of latex powder, 2-3 parts of nano titanium dioxide, 1-2 parts of vinyl triethoxysilane, 0.5-1.5 parts of lithium carbonate, 1-1.5 parts of tartaric acid, 1-2 parts of desulfurized gypsum and 0.5-1 part of advection agent. Has the advantages that: the new and old concrete has strong associativity, high anti-freezing, anti-compression and anti-bending strength, high temperature resistance, corrosion resistance, short repairing time, improved service life of the road surface, and can adsorb automobile exhaust and reduce pollution.
In view of the above-mentioned related art, the inventor believes that after the drilling of the damaged position is completed, and in the process of installing the reinforcing steel bar in the drill hole, the reinforcing steel bar is only inserted into the drill hole, so that the anchoring strength between the reinforcing steel bar and the road surface cannot be improved, and the defect of insufficient road surface repairing strength exists.
Disclosure of Invention
In order to improve the problem of joint strength between vertical reinforcing bar and the road surface, this application provides a highway damage repair method.
The method for repairing the road damage adopts the following technical scheme:
s1, road damage inspection and evaluation, judging the road surface damage position and completing positioning;
s2, processing the damaged position, cutting the damaged position to form a notch, wherein the size of the notch is a regular geometric shape, and the broken slag in the notch is processed cleanly;
s3, drilling holes, namely drilling holes at multiple positions on the inner wall of the notch to form fixing holes and anchoring holes, and cleaning slag in the notch;
s4, installing a reinforcement cage, anchoring the vertical reinforcements in the anchoring holes through the anchoring devices, and fixing the two adjacent vertical reinforcements through the transverse reinforcements to form the reinforcement cage;
s5, repairing, namely after cement concrete is injected into the notch, filling a paving material with the same quality as the original pavement material above the cement concrete, and compacting the paving material to be flush with the original pavement;
s6, maintaining, namely immediately spraying water and covering a plastic film for maintenance after the paving material is finally set for 1 hour;
and S7, inspecting the repaired road, and inspecting the geometric strength of the repaired and old part of the road to judge the bonding firmness of the road.
Through adopting above-mentioned technical scheme, at first mark the location back to road surface damaged position, cut road surface damaged position, take fixed orifices and anchor hole to accomplish after drilling, pass through the anchor with vertical reinforcing bar in the anchor is downthehole, realize the fixed firm effect between vertical reinforcing bar and the road surface, then with horizontal reinforcing bar and vertical steel bar connection, accomplish the steel reinforcement cage and set up, pour into cement concrete and stand out the stone material into towards the notch in, treat the maintenance completion back, accomplish the repair work to road surface damaged position.
Optionally, after the garrulous sediment clearance in the notch is accomplished to S3, utilize high-pressure squirt to wash the back and take out moisture to moisture in the notch is extracted, and the sponge of recycling is cleaned, remains through phenolphthalein test paper to moisture in the notch at last and detects.
Through adopting above-mentioned technical scheme, utilize phenolphthalein test paper to detect notch inner wall residual moisture, the viscidity between notch inner wall drying assurance cement concrete and the inner wall, and then guarantee the restoration quality.
Optionally, the anchor includes a plurality of first expander rods, a plurality of second expander rods, a driving cylinder and a base section of thick bamboo, base section of thick bamboo and vertical reinforcing bar bottom fixed connection, the driving cylinder cover is located outside the vertical reinforcing bar, the both ends of first expander rod respectively with the one end of driving cylinder and second expander rod is articulated, the other end of second expander rod with base section of thick bamboo is articulated, vertical reinforcing bar is provided with and is used for the drive the driving piece of driving cylinder.
Through adopting above-mentioned technical scheme, first expander rod and second expander rod move to the position of the vertical reinforcing bar of laminating, and first expander rod and second expander rod move to the anchor downthehole, drive the driving barrel motion through the driving piece, and first expander rod and second expander rod move towards the anchor downthehole wall, and then realize the anchor effect in vertical reinforcing bar and anchor hole.
Optionally, the driving piece is arranged to be a protective cylinder, the protective cylinder is sleeved outside the vertical steel bar, and the bottom of the protective cylinder is abutted to the upper end of the driving cylinder.
By adopting the technical scheme, the protective cylinder is sleeved outside the vertical steel bar, the protective cylinder pushes the driving cylinder to move, and after the first expanding rod and the second expanding rod move, the protective cylinder is drawn out from the vertical steel bar.
Optionally, the vertical reinforcing bar in driving barrel below fixedly connected with spacing ring, spacing ring terminal surface excircle diameter is less than the driving barrel external diameter just is greater than the driving barrel internal diameter, driving barrel bottom with during the spacing ring butt first expander bar and second expander bar articulated position swing to being close to in the position of anchor hole inner wall.
Through adopting above-mentioned technical scheme, the stopper is used for injecing the distance that the drive tube moved, and then realizes expanding the position outward to first expander rod and second expander rod.
Optionally, the threaded rod that a plurality of levels of vertical reinforcing bar fixedly connected with set up, the equal fixedly connected with dead lever in horizontal reinforcing bar both ends, the dead lever overcoat is equipped with the thread bush, the thread bush with threaded rod threaded connection, the thread bush with be provided with the joint subassembly between the dead lever.
Through adopting above-mentioned technical scheme, under the effect of joint subassembly, fixed connection is accomplished with the threaded rod to the dead lever, and then realizes the fixed effect of vertical reinforcing bar and horizontal reinforcing bar.
Optionally, the joint subassembly includes butt dish and joint ring, the joint ring with the thread bush is kept away from in the one end fixed connection of dead lever, the joint ring cover establish slide in outside the dead lever, the butt dish with the dead lever is close to in the one end fixed connection of threaded rod, the joint ring with the butt dish butt.
Through adopting above-mentioned technical scheme, when the thread bush moved along the dead lever, the joint ring followed the thread bush towards the butt dish direction motion, after the joint ring moved to the butt dish position, under the mutual traction of butt dish and joint ring and the relation of connection effect of thread bush and threaded rod, accomplished dead lever and threaded rod's connection work.
Optionally, in S5, a step groove is first formed in an inner wall of the groove opening close to the opening, the step groove is lower than the opening of the groove opening, a steel plate is placed at the step groove, a pouring gate and an air vent for pouring cement concrete are formed in the steel plate, a cement concrete layer is arranged below the steel plate, and a paving material layer is arranged above the steel plate.
Through adopting above-mentioned technical scheme, the steel sheet can carry out the layering to cement concrete layer and the layer of material of spreading, also guarantees the intraoral joint strength of notch simultaneously.
Optionally, the bottom wall of the step groove is provided with an implanting screw, the steel plate is provided with a through hole, and one end of the implanting screw, which penetrates out of the through hole, is in threaded connection with a nut.
Through adopting above-mentioned technical scheme, under the mating action through implanting screw rod and nut, realize the installation effect between steel sheet and the step groove.
Optionally, a joint sealing adhesive is coated between the steel plate and the side wall of the step groove, an adhesive injection hole and an air outlet hole are formed in the joint sealing adhesive, after the joint sealing adhesive is solidified, structural adhesive is injected into the adhesive injection hole, and the adhesive injection is stopped until the structural adhesive flows out of the air outlet hole.
Through adopting above-mentioned technical scheme, treat the structure and glue the solidification back, realize the effect of firm connection between steel sheet and the step groove, when guaranteeing that the steel sheet is connected firmly, promote the road and restore.
In summary, the present application includes at least one of the following beneficial technical effects:
1. firstly, marking and positioning a damaged position of a pavement, cutting the damaged position of the pavement, anchoring a vertical steel bar in an anchoring hole through an anchoring device after drilling is completed with a fixing hole and an anchoring hole, realizing the fixing and stabilizing effect between the vertical steel bar and the pavement, then connecting a transverse steel bar with the vertical steel bar, completing the erection of a steel bar cage, injecting cement concrete and paving materials into a notch, and completing the repair work of the damaged position of the pavement after the maintenance is completed;
2. when the bottom of the driving cylinder is abutted to the limiting block, the hinged positions of the first expanding rod and the second expanding rod swing to positions close to the inner wall of the anchoring hole, concrete is injected into the anchoring hole and the fixing hole, and after concrete curing is completed, the purpose of anchoring the vertical steel bars is completed;
3. when butt joint dish and joint ring butt, under the effect that threaded connection and butt joint dish and joint ring dragged each other between thread bush and threaded rod, accomplish the fixed work of vertical reinforcing bar and horizontal reinforcing bar, form the steel reinforcement cage this moment, guarantee intraoral intensity of notch.
Drawings
FIG. 1 is a process flow diagram of an embodiment of the present application;
FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 3 is a schematic view of a vertical reinforcing bar, a driving cylinder, a bottom cylinder, a casing, a first expanding rod and a second expanding rod in the embodiment of the present application;
fig. 4 is an enlarged view at a in fig. 2.
Reference numerals: 1. a road; 2. a notch; 3. a fixing hole; 4. an anchoring hole; 5. vertical reinforcing steel bars; 6. transverse reinforcing steel bars; 7. a first spreader bar; 8. a second spreader bar; 9. a drive cylinder; 10. a bottom cylinder; 11. protecting the cylinder; 12. a limiting ring; 13. a threaded rod; 14. fixing the rod; 15. a butting tray; 16. a snap ring; 17. a step groove; 18. a steel plate; 19. a cement concrete layer; 20. paving a material layer; 21. implanting a screw; 22. a through hole; 23. and (4) a nut.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a road damage repairing method. Referring to fig. 1 and 2, a road damage repair method includes the steps of,
s1, inspecting and evaluating the damage of the road 1, judging the damaged position of the road surface, positioning the damaged position of the road surface by lime powder or marking, and installing a fence and a construction mark at the damaged construction position to ensure the construction safety;
s2, processing the damaged position, cutting the damaged position to form a notch 2, wherein the size of the notch 2 is a regular geometric shape, and the crushed slag in the notch 2 is processed cleanly; the cross-sectional shape of the notch 2 in this embodiment is triangular.
Referring to fig. 1 and 2, S3, drilling holes at multiple positions on the inner wall of the notch 2 to form a fixing hole 3 and an anchoring hole 4, cleaning slag in the notch 2, thoroughly cleaning the slag in the groove hole and the drilled holes by using a high-pressure air gun, and cleaning the inner wall of the notch 2 again by using a brush without floating ash; after the slag in the notch 2 is cleaned, flushing by using a high-pressure water gun, pumping out moisture, pumping out the moisture in the notch 2, wiping by using sponge, and finally detecting the residue in the notch 2 by using phenolphthalein test paper;
referring to fig. 2 and 3, S4, installing a reinforcement cage, anchoring the vertical reinforcements 5 in the anchoring holes 4 through anchoring devices, and fixing the transverse reinforcements 6 to two adjacent vertical reinforcements 5 to form the reinforcement cage; the anchoring device comprises two first expansion rods 7, two second expansion rods 8, a driving cylinder 9 and a bottom cylinder 10, the bottom cylinder 10 is fixedly connected with the bottom of the vertical steel bar 5, the driving cylinder 9 is sleeved outside the vertical steel bar 5 and is located above the bottom cylinder 10, two ends of the first expansion rods 7 are hinged to the outer wall of the driving cylinder 9 and one end of the second expansion rod 8 respectively, the other end of the second expansion rod 8 is hinged to the bottom cylinder 10, the first expansion rods 7 and the driving cylinder 9, the first expansion rods 7 and the second expansion rods 8 as well as the second expansion rods 8 and the bottom cylinder 10 are hinged through hinge shafts, the axis direction of the hinge shafts is horizontally arranged, and the plane where the plane is located and the plane where the axis of the vertical steel bar 5 is located are arranged in parallel.
The vertical steel bar 5 is provided with a driving piece for pushing the driving cylinder 9 to move, the driving piece is set to be a protective cylinder 11, the protective cylinder 11 is sleeved outside the vertical steel bar 5, the bottom of the protective cylinder 11 is abutted against the top end of the driving cylinder 9, the protective cylinder 11 pushes the driving cylinder 9 to move towards the direction of the bottom cylinder 10, and the connecting positions of the first expanding rod 7 and the second expanding rod 8 move towards the inner side wall of the anchoring hole 4; vertical reinforcing bar 5 is in driving cylinder 9 below fixedly connected with spacing ring 12, stopper terminal surface excircle diameter is less than driving cylinder 9 external diameter and is greater than driving cylinder 9 internal diameter, spacing ring 12 is used for restricting the position of driving cylinder 9 motion, when driving cylinder 9 bottom and stopper butt, first expander rod 7 and 8 articulated positions of second expander rod swing to the position that is close to in 4 inner walls of anchor hole, at this moment towards injecting the concrete in anchor hole 4 and fixed orifices 3, treat that the concrete maintenance accomplishes the back, accomplish the anchor purpose to vertical reinforcing bar 5.
Referring to fig. 2 and 4, the outer wall fixedly connected with of vertical reinforcing bar 5 is to the threaded rod 13 of individual level setting, the equal fixedly connected with dead lever 14 in both ends of horizontal reinforcing bar 6, threaded rod 13 and dead lever 14 are the level setting, 13 length dimension of threaded rod is less than the cavity size of a protecting section of thick bamboo 11, ensure to protect 11 covers of a section of thick bamboo and locate vertical reinforcing bar 5 outer and take out from vertical reinforcing bar 5, 14 overcoat of dead lever is equipped with the thread bush, thread bush and 13 threaded connection of threaded rod, be provided with the joint subassembly between thread bush and the dead lever 14.
The joint subassembly includes butt dish 15 and joint ring 16, joint ring 16 keeps away from the one end fixed connection in dead lever 14 with the thread bush, 16 covers of joint ring establish slide outside dead lever 14, butt dish 15 is close to the one end fixed connection in threaded rod 13 with dead lever 14, with 14 tip of dead lever and 15 butt of butt dish, drive thread bush and 13 threaded rod threaded connection, the thread bush drives the motion of butt dish 15 of joint ring 16 orientation, when butt dish 15 and 16 butt of joint ring, under the effect that threaded connection and butt dish 15 and joint ring 16 dragged each other between thread bush and threaded rod 13, accomplish the fixed work of vertical reinforcing bar 5 and horizontal reinforcing bar 6, form the steel reinforcement cage this moment, guarantee the intensity in the notch 2.
S5, repairing, namely firstly, forming a step groove 17 on the inner wall of the groove opening 2 close to the opening, wherein the opening size of the step groove 17 is larger than that of the groove opening 2, placing a steel plate 18 at the position of the step groove 17, and forming a pouring gate and a vent hole for pouring cement concrete on the steel plate 18; in order to guarantee the stability of being connected between steel sheet 18 and the step groove 17, step groove 17 diapire is provided with implants the hole, implant downthehole implantation screw rod 21 of placing, the downthehole injection structure of orientation is glued, treat the structure glue solidification back, ensure the fixed effect of implanting screw rod 21 and step groove 17 diapire, steel sheet 18 is provided with through-hole 22, the one end threaded connection who wears out through-hole 22 of implantation screw rod 21 has nut 23, nut 23 with implant screw rod 21 threaded connection, nut 23 move to with the position back of steel sheet 18 butt, the realization is to the fixed effect of steel sheet 18.
Joint sealing glue is coated on the connecting position of the side wall of the steel plate 18 and the side wall of the step groove 17, a glue injection hole and an air outlet hole are formed in the joint sealing glue, after the joint sealing glue is cured, structural glue is injected into the glue injection hole until the structural glue flows out of the air outlet hole, the injection work of the structural glue is completed, and after the structural glue is cured, the stable connecting effect between the steel plate 18 and the side wall of the step groove 17 is ensured.
Finally, after cement concrete is injected into the notch 2, paving materials with the same quality as the original pavement materials are filled above the cement concrete, and the paving materials are compacted to be flush with the original pavement; a cement concrete layer 19 is arranged below the steel plate 18, and a paving material layer 20 is arranged above the steel plate 18.
And S6, curing, namely immediately spraying water and covering a plastic film for curing after the paving material is finally set for 1 hour.
And S7, checking the repaired road 1, checking the geometric strength of the repaired and repaired old part of the road 1 to judge the bonding firmness of the road 1, judging to be qualified if the bonding strength requirement is met, releasing the isolation and opening the traffic.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A road damage repairing method is characterized in that: comprises the following steps of (a) carrying out,
s1, inspecting and evaluating the damage of the road (1), judging the damage position of the road surface and completing positioning;
s2, processing the damaged position, cutting the damaged position to form a notch (2), wherein the size of the notch (2) is a regular geometric shape, and the crushed slag in the notch (2) is processed cleanly;
s3, drilling holes, namely drilling holes at multiple positions on the inner wall of the notch (2) to form fixing holes (3) and anchoring holes (4), and cleaning slag in the notch (2);
s4, installing a reinforcement cage, anchoring the vertical reinforcements (5) in the anchoring holes (4) through an anchoring device, and fixing the two adjacent vertical reinforcements (5) through the transverse reinforcements (6) to form the reinforcement cage;
s5, repairing, namely injecting cement concrete into the notch (2), filling a paving material with the same quality as the original pavement material above the cement concrete, and compacting the paving material until the paving material is flush with the original pavement;
s6, maintaining, namely immediately spraying water and covering a plastic film for maintenance after the paving material is finally set for 1 hour;
s7, checking the repaired road (1), and checking the geometric strength of the repaired and repaired position of the road (1) to judge the combination firmness of the road (1).
2. The method of repairing a road damage according to claim 1, wherein: after the disintegrating slag clearance in the notch (2) is accomplished in S3, utilize high-pressure squirt to wash the back and take out moisture to extract moisture in notch (2), reuse sponge cleans, remains through phenolphthalein test paper to moisture in notch (2) at last and detects.
3. The method of repairing a road damage according to claim 2, wherein: the anchor device includes a plurality of first expander rods (7), a plurality of second expander rods (8), driving cylinder (9) and end section of thick bamboo (10), end section of thick bamboo (10) and vertical reinforcing bar (5) bottom fixed connection, driving cylinder (9) cover is located outside vertical reinforcing bar (5), the both ends of first expander rod (7) respectively with the one end of driving cylinder (9) and second expander rod (8) is articulated, the other end of second expander rod (8) with end section of thick bamboo (10) is articulated, vertical reinforcing bar (5) are provided with and are used for the drive the driving piece of driving cylinder (9).
4. A road damage repair method according to claim 3, wherein: the driving piece is arranged to be a protective barrel (11), the protective barrel (11) is sleeved outside the vertical steel bar (5), and the bottom of the protective barrel (11) is abutted to the upper end of the driving barrel (9).
5. The method of repairing a road damage according to claim 4, wherein: vertical reinforcing bar (5) in driving barrel (9) below fixedly connected with spacing ring (12), spacing ring (12) terminal surface excircle diameter is less than driving barrel (9) external diameter just is greater than driving barrel (9) internal diameter, driving barrel (9) bottom with during spacing ring (12) butt first expander rod (7) and second expander rod (8) articulated position swing extremely close to the position of anchor hole (4) inner wall.
6. The method of repairing a road damage according to claim 1, wherein: threaded rod (13) that vertical reinforcing bar (5) a plurality of levels of fixedly connected with set up, the equal fixedly connected with dead lever (14) in horizontal reinforcing bar (6) both ends, dead lever (14) overcoat is equipped with the thread bush, the thread bush with threaded rod (13) threaded connection, the thread bush with be provided with the joint subassembly between dead lever (14).
7. The method of repairing a road damage according to claim 6, wherein: the joint subassembly includes butt dish (15) and joint ring (16), joint ring (16) with the thread bush is kept away from in the one end fixed connection of dead lever (14), slip in is established to joint ring (16) cover outside dead lever (14), butt dish (15) with dead lever (14) are close to in the one end fixed connection of threaded rod (13), joint ring (16) with butt dish (15) butt.
8. The method of repairing a road damage according to claim 1, wherein: in S5, a step groove (17) is formed in the inner wall, close to the opening, of the notch (2), the step groove (17) is lower than the opening of the notch (2), a steel plate (18) is placed at the position of the step groove (17), a pouring gate and a vent hole for pouring cement concrete are formed in the steel plate (18), a cement concrete layer (19) is arranged below the steel plate (18), and a paving material layer (20) is arranged above the steel plate (18).
9. The method of repairing a road damage according to claim 8, wherein: the bottom wall of the step groove (17) is provided with an implanting screw rod (21), the steel plate (18) is provided with a through hole (22), and the implanting screw rod (21) penetrates out of one end of the through hole (22) and is connected with a screw cap (23) in a threaded mode.
10. The method of repairing a road damage according to claim 9, wherein: the steel sheet (18) with the coating has the joint sealing glue between step groove (17) lateral wall, has seted up glue-injection hole and venthole on the joint sealing glue, treats joint sealing glue solidification back, pours into the structure towards the downthehole injection structure of injecting glue into, stops the injecting glue after flowing out the structure glue until venthole department.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111177155.9A CN113882213A (en) | 2021-10-09 | 2021-10-09 | Highway damage repairing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111177155.9A CN113882213A (en) | 2021-10-09 | 2021-10-09 | Highway damage repairing method |
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| Publication Number | Publication Date |
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| CN113882213A true CN113882213A (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111177155.9A Pending CN113882213A (en) | 2021-10-09 | 2021-10-09 | Highway damage repairing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115305793A (en) * | 2022-08-02 | 2022-11-08 | 郑州通宝路桥有限公司 | Pavement repairing structure and method based on pavement pot holes |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5464303A (en) * | 1993-12-30 | 1995-11-07 | D.W.T. Innovative Recycling Corp. | Method for repairing pavement |
| CN101435192A (en) * | 2008-12-02 | 2009-05-20 | 中国葛洲坝集团股份有限公司 | New and old concrete combining construction method |
| CN109898429A (en) * | 2019-04-12 | 2019-06-18 | 新疆北新路桥集团股份有限公司 | A kind of structure and its construction technology reinforced for Bridge Crack |
| CN210946426U (en) * | 2019-07-15 | 2020-07-07 | 李鑫 | Road and bridge crack reinforcing structure |
-
2021
- 2021-10-09 CN CN202111177155.9A patent/CN113882213A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5464303A (en) * | 1993-12-30 | 1995-11-07 | D.W.T. Innovative Recycling Corp. | Method for repairing pavement |
| CN101435192A (en) * | 2008-12-02 | 2009-05-20 | 中国葛洲坝集团股份有限公司 | New and old concrete combining construction method |
| CN109898429A (en) * | 2019-04-12 | 2019-06-18 | 新疆北新路桥集团股份有限公司 | A kind of structure and its construction technology reinforced for Bridge Crack |
| CN210946426U (en) * | 2019-07-15 | 2020-07-07 | 李鑫 | Road and bridge crack reinforcing structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115305793A (en) * | 2022-08-02 | 2022-11-08 | 郑州通宝路桥有限公司 | Pavement repairing structure and method based on pavement pot holes |
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