CN112647380A - Roadbed concrete repairing grouting reinforcement method and reinforcement sealing device thereof - Google Patents
Roadbed concrete repairing grouting reinforcement method and reinforcement sealing device thereof Download PDFInfo
- Publication number
- CN112647380A CN112647380A CN202011536010.9A CN202011536010A CN112647380A CN 112647380 A CN112647380 A CN 112647380A CN 202011536010 A CN202011536010 A CN 202011536010A CN 112647380 A CN112647380 A CN 112647380A
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- grouting
- sealing device
- hole
- cement mortar
- filling piece
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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
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
Abstract
The application relates to the field of roadbed reinforcement technology, in particular to a roadbed concrete repair grouting reinforcement method and a reinforcement sealing device thereof, wherein the method comprises the steps of grouting a grouting hole, standing and waiting for cement mortar to flow flat; and then sealing the grouting hole by using a sealing device, wherein a fixed plug of the sealing device is tightly plugged against the orifice of the grouting hole, and a filling piece of the sealing device fills the gap of the grouting hole close to the orifice. This application has the effect that improves the sealing performance in injected hole.
Description
Technical Field
The application relates to the field of roadbed reinforcement technology, in particular to a roadbed concrete repairing grouting reinforcement method and a reinforcing and sealing device thereof.
Background
Along with the gradual improvement of the road network in China, the project diseases of the roads needing to be treated in the operation and maintenance process are increased, and in the prevention and treatment process of the diseases of the highways, as the grouting reinforcement and repair technology is flexible and flexible, the construction is convenient and fast, the grouting reinforcement and repair technology can be suitable for various complex geological conditions, and the grouting reinforcement and repair technology is commonly used for preventing and treating the diseases of the road bed, the road surface, the side slope, the tunnel and the like.
Related technology such as chinese invention patent with publication number CN103981782B discloses a method and structure for reinforcing a flat hole grouting roadbed without damaging the road surface, wherein a grouting hole is formed on a side slope of the roadbed side surface in a damaged area by dry drilling horizontally or obliquely, a grouting perforated pipe and a seamless grouting outer pipe are installed, after grouting, the grouting hole needs to be sealed from the earth surface, and the grouting hole is sealed by smearing a thin waterproof sealing layer on the opening of the grouting hole.
In view of the above-mentioned related art, the inventor believes that the grouting hole is obliquely arranged, referring to fig. 1, when the height of cement mortar injected into the grouting hole is flush with the lower edge of the opening of the grouting hole, the cement mortar continues to be injected, excess cement mortar flows out from the lower edge of the opening of the grouting hole due to the horizontal fluidity, and if cement mortar which is not completely solidified is sealed, the cement mortar higher than the lower edge of the opening of the grouting hole may break through the waterproof seal layer and flow out from the grouting hole to cause slurry leakage, so that it is necessary to provide a sealing method and structure with better sealing performance so as to reduce the occurrence of slurry leakage.
Disclosure of Invention
In order to improve the sealing performance of a grouting hole, the application provides a foundation concrete repair grouting reinforcement method and a reinforcement sealing device thereof.
In a first aspect, the application provides a method for repairing, grouting and reinforcing roadbed concrete, which adopts the following technical scheme:
a method for repairing, grouting and reinforcing roadbed concrete comprises the following steps: grouting the grouting holes, standing for waiting for leveling of cement mortar; and then sealing the grouting hole by using a sealing device, wherein a fixed plug of the sealing device is tightly plugged against the orifice of the grouting hole, and a filling piece of the sealing device fills the gap of the grouting hole close to the orifice. Through adopting above-mentioned technical scheme, after the slip casting finishes in the injected hole, with the sealing device stopper tight to the drill way department in injected hole, to the further packing in the space in the injected hole make injected hole structure more stable when reducing to run the thick liquid, improve the stability on whole road surface simultaneously.
In a second aspect, the present application provides a sealing device used in a method for grouting and reinforcing foundation concrete, which adopts the following technical scheme:
be equipped with the slip casting hole on the road bed, sealing device include with the fixed stopper of slip casting hole drill way department butt to and connect the filling member that is close to the inside one side of slip casting hole at fixed stopper, the filling member is filled in the slip casting hole.
Through adopting above-mentioned technical scheme, after the slip casting finishes in the slip casting hole, with the drill way department that sealing device stopped up the slip casting hole, can not broken by the cement mortar that flows and lead to running thick liquid, because slip casting hole slope sets up, unnecessary cement mortar flows out from the slip casting hole after, cement mortar can leave certain gap on being close to the position of slip casting hole drill way department, can't be full of the slip casting hole, sealing device's packing is filled the space that the slip casting left, fixed stopper can seal the drill way in slip casting hole again, further packing in the space in the slip casting hole makes the slip casting hole structure more stable when reducing running thick liquid, improve the stability on whole road surface simultaneously.
Optionally, the upper surface of the filling member is an arc-shaped surface attached to the inner wall of the grouting hole, and the bottom surface of the filling member is a plane.
Through adopting above-mentioned technical scheme, the top surface of filling member is the arcwall face bottom surface and is the plane, makes the laminating injected hole that the top surface of filling member can be better, strengthens the stability in injected hole, reduces the possibility that the injected hole sinks.
Optionally, a cavity is arranged inside the filling piece, and a supplementary hole communicating the surface of the fixed plug and the cavity is arranged on the fixed plug.
Through adopting above-mentioned technical scheme, after fixing plug and filling member put into the injected hole, pour into cement mortar again from supplementing the hole again, the filling member is filled up in the cement mortar flow, consolidates the support to the filling member.
Optionally, a support rod is arranged in the cavity, and two ends of the support rod are fixed on the inner wall of the filling member.
Through adopting above-mentioned technical scheme, use the bracing piece to support the inner wall of filling member, make the structure of filling member more stable, the space of filling in the injected hole that can be better makes the structure in injected hole more stable.
Optionally, two support rods are arranged in the cavity, the two support rods are perpendicular to each other, and two ends of each support rod are fixed on the inner wall of the filling member.
Through adopting above-mentioned technical scheme, two bracing pieces are fixed to support the inner wall of filling member in cross shape, and two bracing pieces are more stable to the support of filling member.
Optionally, the bottom surface of the filling member is provided with a deformable member capable of deforming.
Through adopting above-mentioned technical scheme, the cement mortar surface after carrying out preliminary levelling probably has unevenness, and the deformation piece can produce deformation, the upper surface of better laminating cement mortar.
Optionally, the deformation piece is a semi-cylinder arranged on the outer wall of the bottom surface of the filling piece, and a deformation cavity is arranged on one side, close to the filling piece, of the semi-cylinder.
Through adopting above-mentioned technical scheme, after cement mortar solidifies and takes place the inflation, cement mortar extrudees the semi-cylinder, and the deformation chamber produces deformation, and the air in the deformation chamber is extruded, for the certain expansion space of cement mortar outflow after the inflation, avoids as far as possible because cement mortar inflation makes sealing device deviate from the slip casting hole.
In summary, the present application includes at least one of the following beneficial technical effects:
1. after grouting in the grouting hole is finished, the sealing device is tightly plugged to the orifice of the grouting hole, a filling piece of the sealing device fills a gap left by grouting, the fixed plug can also seal the orifice of the grouting hole, the gap in the grouting hole is further filled while slurry leakage is reduced, so that the structure of the grouting hole is more stable, and meanwhile, the stability of the whole pavement is improved;
2. when the cement mortar is solidified and expanded, the cement mortar extrudes the semi-cylindrical body, the deformation cavity deforms, air in the deformation cavity is extruded out, a certain expansion space flows out for the expanded cement mortar, and the sealing device is prevented from being separated from the grouting hole due to the expansion of the cement mortar as much as possible.
Drawings
Fig. 1 is a schematic structural view of a grouting hole and cement mortar in the background art.
FIG. 2 is a schematic view showing the structure of a grouting hole and a sealing device in the embodiment
Fig. 3 is a sectional view of the sealing device in the embodiment.
FIG. 4 is a schematic structural diagram of the semi-cylinder and the filling member in the embodiment.
Description of reference numerals: 1. a fixed plug; 11. a refill hole; 2. a filling member; 21. a cavity; 22. a support bar; 23. a semi-cylinder; 231. a deformation chamber; 3. a water-resistant coating; 4. and (4) grouting holes.
Detailed Description
The present application is described in further detail below with reference to figures 2-4.
The embodiment of the application discloses a method for repairing, grouting and reinforcing roadbed concrete.
The grouting reinforcement method comprises the following steps:
s1, drilling: determining the position of the drilled hole through field investigation and measurement; and installing a drilling machine at a proper position, and drilling a grouting hole in the inclined direction of the side surface of the roadbed.
S2, draining: accumulated water permeating into the grouting holes on the roadbed is discharged by a water pump, so that the influence of the accumulated water in the grouting holes on the pouring of cement mortar is avoided.
S3, placing a grouting pipe: and inserting a grouting pipe into the grouting hole, and connecting the tail end of the grouting pipe with a grouting machine.
S4, grouting: and (3) injecting cement mortar into the grouting pipe by using a grouting machine, enabling the cement mortar to flow into the grouting hole from the grouting pipe and fill the grouting hole, and taking out the grouting pipe after grouting is finished.
S5, standing: and standing the injected cement mortar until the cement mortar is preliminarily leveled close to the plane of the orifice of the grouting hole, and trowelling the excessive overflowed cement mortar.
S6, sealing: and placing a sealing device at the orifice of the grouting hole, sealing the orifice of the grouting hole by using the sealing device, and filling the gap.
S7, waterproofing: waterproof coating is coated around the sealing device to prevent water, so that the sealing performance of the sealing device is further improved.
The sealing device in this embodiment, referring to fig. 2 and 3, includes a cylindrical fixing plug 1 made of elastic rubber material, the fixing plug 1 can be elastically deformed, and the fixing plug 1 plugs the sealing hole of the grouting hole 4 by extrusion.
Because the slip casting hole 4 sets up along the horizontal direction downward sloping, consequently at the in-process that cement mortar was pour, cement mortar spreads along the horizontal direction and paves, can be because the inclined plane of flow formation of cement mortar on the position of 4 drill mouths of slip casting hole, can't be filled up with slip casting hole 4 entirely.
The fixing plug 1 is close to one side inside the grouting hole 4 and is further connected with a filling piece 2, the cross section of the filling piece 2 is conical, a cavity 21 used for filling cement mortar again is formed inside the filling piece 2, and the filling piece 2 is also made of elastic rubber materials. The side of the filling member 2 close to the cement mortar filled in the grouting hole 4 is a bottom surface, the bottom surface of the filling member 2 is a plane, and the bottom surface of the filling member 2 props against the surface of the cement mortar after the surface of the cement mortar is leveled.
The top surface of filling member 2 is the inside cambered surface of radian laminating slip casting hole 4, after filling the cement mortar levelling in slip casting hole 4, extrudees filling member 2 and packs the gap department that slip casting hole 4 is close to the drill way, because filling member 2 itself has certain elasticity, can extrude the regulation according to the difference in cement mortar gap.
Be equipped with the supplementary hole 11 that communicates each other with the cavity 21 of packing element 2 on the lateral wall of fixed stopper 1, supplementary hole 11 slope sets up, the lateral wall of fixed stopper 1 of intercommunication and the lateral wall that packing element 2 is close to fixed stopper 1, fixed stopper 1 and packing element 2 extrude after in the space of cement mortar, the packing of cement mortar continues to carry out in supplementary hole 11, until cement mortar fills up packing element 2 and supplementary hole 11 and fills up gradually, make the structure of packing element 2 more stable, can effectively support the road surface.
The inside of packing 2 is fixed with two mutually perpendicular's bracing piece 22, the both ends of every bracing piece 22 and the inner wall fixed connection of packing 2, and two bracing pieces 22 set up the intermediate position at packing 2, and bracing piece 22 supports the outer wall of packing 2, when making packing 2 put into grouting hole 4, can be better with the inner wall of grouting hole 4 and the surface laminating of cement mortar.
Referring to fig. 2 and 4, the bottom surface of the filling member 2 is further provided with a deformation member, the deformation member is a plurality of semi-cylinders 23 which are fixed on the bottom surface of the filling member 2 and are arranged in parallel, the length of each semi-cylinder 23 extends along the bottom surface of the corresponding fixing plug 1, and the arc-shaped surface of each semi-cylinder 23 is abutted to the surface of cement mortar filled in the corresponding grouting hole 4. One side of the semi-cylinder 23 close to the filling member 2 is provided with a deformation cavity 231 for being deformed by the extrusion of the extruded cement mortar. After the cement mortar is solidified, expansion overflow may occur, the deformation member is extruded after the solidified cement mortar is expanded, and the deformation cavity 231 is thereby extruded, thereby reducing the situation that the fixing plug 1 is ejected due to the expansion of the cement mortar.
The diameter of fixing plug 1 is greater than the diameter of filler 2, and when fixing plug 1 drove filler 2 and extrudeed among the grout hole 4, fixing plug 1 partly can bulge in the ground of 4 orifices departments of grout hole, sets up waterproof coating 3 around fixing plug 1, and waterproof coating 3 inclines gradually the step-down to the position on ground along the top of fixing plug 1 to the further sealing in the orifice of filling hole. The waterproof coating 3 that the slope set up can be effectual the piling up of reduction rainwater, and the rainwater can flow along the inclined plane in time.
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 (8)
1. A method for repairing, grouting and reinforcing roadbed concrete is characterized by comprising the following steps: grouting the grouting holes (4), standing for waiting for leveling of cement mortar; and then, sealing the grouting hole (4) by using a sealing device, wherein a fixed plug (1) of the sealing device is tightly plugged against the orifice of the grouting hole (4), and a filling piece (2) of the sealing device is filled in a gap of the grouting hole (4) close to the orifice.
2. The sealing device used in the concrete-repairing grouting reinforcement method for the roadbed according to claim 1, wherein the side surface of the roadbed is provided with grouting holes (4), and the sealing device is characterized in that: the sealing device comprises a fixing plug (1) which is abutted to the orifice of the grouting hole (4), and a filling piece (2) which is connected to one side of the fixing plug (1) close to the inner part of the grouting hole (4), wherein the filling piece (2) is filled in the grouting hole (4).
3. The sealing device of claim 2, wherein: the upper surface of the filling piece (2) is an arc-shaped surface attached to the inner wall of the grouting hole (4), and the bottom surface of the filling piece (2) is a plane.
4. The sealing device of claim 2, wherein: the filling piece (2) is internally provided with a cavity (21), and the fixed plug (1) is provided with a supplementary hole (11) for communicating the surface of the fixed plug (1) with the cavity (21).
5. The sealing device of claim 4, wherein: a support rod (22) is arranged in the cavity (21), and two ends of the support rod (22) are fixed on the inner wall of the filling piece (2).
6. The sealing device of claim 5, wherein: two support rods (22) are arranged in the cavity (21), the two support rods (22) are perpendicular to each other, and two ends of each support rod (22) are fixed on the inner wall of the filling piece (2).
7. The sealing device of claim 2, wherein: the bottom surface of the filling piece (2) is provided with a deformable piece capable of deforming.
8. The sealing device of claim 7, wherein: the deformation piece is a semi-cylinder (23) arranged on the outer wall of the bottom surface of the filling piece (2), and a deformation cavity (231) is formed in one side, close to the filling piece (2), of the semi-cylinder (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011536010.9A CN112647380B (en) | 2020-12-23 | 2020-12-23 | Roadbed concrete repairing grouting reinforcement method and reinforcement sealing device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011536010.9A CN112647380B (en) | 2020-12-23 | 2020-12-23 | Roadbed concrete repairing grouting reinforcement method and reinforcement sealing device thereof |
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| Publication Number | Publication Date |
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| CN112647380A true CN112647380A (en) | 2021-04-13 |
| CN112647380B CN112647380B (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011536010.9A Active CN112647380B (en) | 2020-12-23 | 2020-12-23 | Roadbed concrete repairing grouting reinforcement method and reinforcement sealing device thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213562A (en) * | 2014-08-12 | 2014-12-17 | 中国科学院力学研究所 | Plugging device of grouting hole and using method thereof |
| CN206887953U (en) * | 2017-04-01 | 2018-01-16 | 北京爱地地质勘察基础工程公司 | Soil nailing port closing device and soil nailing wall structure |
| KR20190109009A (en) * | 2018-03-16 | 2019-09-25 | 주식회사 보강테크 | Grouting apparatus with improved caulking and sealing function and tunnel reinforcement method using the same |
| CN209742840U (en) * | 2019-04-14 | 2019-12-06 | 北京市政建设集团有限责任公司 | Rubber air bag for sealing face grouting hole |
| CN210317313U (en) * | 2019-07-02 | 2020-04-14 | 李超 | Split-type spliced model structure for pouring inverted arch and filling of highway tunnel |
| CN212077900U (en) * | 2020-04-29 | 2020-12-04 | 中铁三局集团有限公司 | Small grouting pipe for reinforcing foundation around rainwater well |
| CN112080972A (en) * | 2020-09-23 | 2020-12-15 | 华蓝设计（集团）有限公司 | Method for repairing road surface by adopting grouting to reinforce roadbed |
-
2020
- 2020-12-23 CN CN202011536010.9A patent/CN112647380B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213562A (en) * | 2014-08-12 | 2014-12-17 | 中国科学院力学研究所 | Plugging device of grouting hole and using method thereof |
| CN206887953U (en) * | 2017-04-01 | 2018-01-16 | 北京爱地地质勘察基础工程公司 | Soil nailing port closing device and soil nailing wall structure |
| KR20190109009A (en) * | 2018-03-16 | 2019-09-25 | 주식회사 보강테크 | Grouting apparatus with improved caulking and sealing function and tunnel reinforcement method using the same |
| CN209742840U (en) * | 2019-04-14 | 2019-12-06 | 北京市政建设集团有限责任公司 | Rubber air bag for sealing face grouting hole |
| CN210317313U (en) * | 2019-07-02 | 2020-04-14 | 李超 | Split-type spliced model structure for pouring inverted arch and filling of highway tunnel |
| CN212077900U (en) * | 2020-04-29 | 2020-12-04 | 中铁三局集团有限公司 | Small grouting pipe for reinforcing foundation around rainwater well |
| CN112080972A (en) * | 2020-09-23 | 2020-12-15 | 华蓝设计（集团）有限公司 | Method for repairing road surface by adopting grouting to reinforce roadbed |
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| CN112647380B (en) | 2022-04-26 |
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