CN212507535U - Concrete crack repairing structure - Google Patents
Concrete crack repairing structure Download PDFInfo
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- CN212507535U CN212507535U CN202020584034.0U CN202020584034U CN212507535U CN 212507535 U CN212507535 U CN 212507535U CN 202020584034 U CN202020584034 U CN 202020584034U CN 212507535 U CN212507535 U CN 212507535U
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Abstract
The utility model belongs to the technical field of the building maintenance, especially, relate to a concrete crack repair structure, including concrete-based layer, toughness glue film and plain cement layer, cut the slot that forms to fissured degree of depth direction along fissured line in the concrete-based layer and have predetermined degree of depth, the slot has relative cell wall that sets up and is located the opening with concrete-based layer parallel and level department between two cell walls, and the toughness glue film is laid in the bottom relative with the opening in the slot, and plain cement layer is laid on the toughness glue film and is filled the slot. Through laying the toughness glue film in the bottom of slot, because the toughness glue film has certain flexibility, when laying the plain cement layer and filling the slot on the toughness glue film, the toughness glue film forms the interlayer effect so to keep apart the disturbance that is located the remaining small crack in slot bottom to the plain cement layer, the phenomenon that the secondary fracture appears after effectively reducing the repair. The repairing method has the advantages of simple construction, low cost, good repairing effect and extremely high application value.
Description
Technical Field
The utility model belongs to the technical field of the building maintenance, especially, relate to a concrete crack repair structure.
Background
After a cured concrete base layer is formed by pouring concrete in building engineering, cracks are often generated due to various reasons, and the cracks not only influence the waterproofness of the concrete base layer, but also influence the overall attractiveness. In the prior art, the treatment method for the concrete cracks is complex in procedure, difficult to construct, easy to generate secondary cracking phenomenon and poor in repairing effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a concrete crack repair structure aims at solving prior art and to the concrete crack repair process complicacy and easily appear the technical problem of secondary fracture.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a concrete crack repair structure, includes concrete-based layer, toughness glue film and plain cement layer, on the concrete-based layer along cracked line to the cracked direction of depth cuts the slot that forms to have predetermined degree of depth, the slot has relative cell wall that sets up and is two between the cell wall and be located with the opening of concrete-based layer parallel and level department, the toughness glue film lay in the ditch inslot with the bottom that the opening is relative, plain cement layer lay in on the toughness glue film and fill the slot.
Optionally, the thickness of the tough glue layer is 0.2 cm-1.5 cm.
Optionally, the width of the opening is 1 to 3 times the width of the slit.
Optionally, a depth between the opening to the bottom of the trench is 0.8 to 1.2 times a depth of the crack.
Optionally, the groove further has a bottom wall opposite to the opening, the two groove walls are arranged in parallel and respectively located on two sides of the bottom wall, and the tough glue layer is laid on the bottom wall.
Optionally, an included angle between the groove wall and the bottom wall is 60 ° to 90 °.
Optionally, the two groove walls are oppositely and obliquely arranged in a V shape, and the tough glue layer is laid at the bottom between the two groove walls.
Optionally, the included angle between two of the groove walls is 30 ° to 90 °.
Optionally, the groove further has a bottom wall opposite to the opening, the two groove walls are oppositely inclined and located at two sides of the bottom wall, the width of the bottom wall between the two groove walls is smaller than the width of the opening, and the tough glue layer is laid on the bottom wall.
Optionally, an included angle between the groove wall and the bottom wall is 30 ° to 60 °.
The embodiment of the utility model provides a concrete crack repair structure's beneficial effect: compared with the prior art, the utility model discloses a concrete crack repair structure lays the toughness glue film through the bottom at the slot, because the toughness glue film has certain flexibility, when laying the plain cement layer and filling the slot on the toughness glue film, the toughness glue film forms the interlayer effect so to keep apart the disturbance that is located the remaining small crack in slot bottom to the plain cement layer, effectively reduce the phenomenon that the secondary ftracture appears after repairing. The repairing method has the advantages of simple construction, low cost, good repairing effect and extremely high application value.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a flowchart illustrating steps of a concrete crack repairing structure according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a groove of a concrete crack repair structure according to an embodiment of the present invention;
fig. 3 is a first schematic structural view of concrete crack repair provided by an embodiment of the present invention;
fig. 4 is a schematic structural diagram ii of concrete crack repair provided in the embodiment of the present invention;
fig. 5 is a third schematic structural view of concrete crack repair provided by an embodiment of the present invention;
fig. 6 is a fourth schematic structural view of concrete crack repair provided by an embodiment of the present invention;
fig. 7 is a fifth schematic structural view of repairing concrete cracks according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10-concrete base layer; 20-a trench; 21-cell wall; 22-bottom wall; 23-opening; 24-a groove; 25-convex; 30-a tough glue layer; 40-plain cement layer; 50-floor paint.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1 to 7 are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being 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.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 2 and 3, a concrete crack repairing structure according to an embodiment of the present invention will now be described. The concrete crack repairing structure comprises a concrete base layer 10, a tough glue layer 30 and a plain cement layer 40, wherein a groove 20 with a preset depth is formed in the concrete base layer 10 by cutting along the grains of the crack in the depth direction of the crack, the groove 20 is provided with groove walls 21 which are oppositely arranged and an opening 23 which is arranged between the two groove walls 21 and is flush with the concrete base layer 10, the tough glue layer 30 is laid at the bottom in the groove 21 opposite to the opening 23, and the plain cement layer 40 is laid on the tough glue layer 30 and fills the groove 20.
The embodiment of the utility model provides a structure is repaired to concrete crack compares with prior art, lays toughness glue film 30 through the bottom at slot 20, because toughness glue film 30 has certain flexibility, when laying plain cement layer 40 and filling slot 20 on toughness glue film 30, toughness glue film 30 forms the interlayer effect so to keep apart the disturbance that is located slot 20 bottom remaining small crack to plain cement layer 40, the phenomenon that the secondary ftracture appears after effectively reducing the repair. The repairing method has the advantages of simple construction, low cost, good repairing effect and extremely high application value.
The embodiment of the utility model provides a concrete crack repairing method is still provided, including following step:
s01: cutting the concrete base layer 10 along the lines of the cracks in the depth direction of the cracks to form a groove 20 with a preset depth, wherein the groove 20 is provided with groove walls 21 which are arranged oppositely and an opening 23 which is arranged between the two groove walls 21 and is positioned at the position flush with the concrete base layer 10;
s02: removing the concrete residue remaining in the trench 20 in the step S01;
s03: paving a tough glue layer 30 at the bottom opposite to the opening 23 in the groove 20;
s04: a green cement slurry is poured into the trench 20 to fill the trench 20 and cured to form a green cement layer 40.
The embodiment of the utility model provides a concrete crack repairing method, compared with the prior art, through laying toughness glue film 30 in the bottom of slot 20, because toughness glue film 30 has certain flexibility, when laying plain grout and fill slot 20 on toughness glue film 30, behind plain grout solidification formation plain cement layer 40, toughness glue film 30 forms the interlayer effect, with the isolation be located the disturbance of the remaining small crack in slot 20 bottom to plain cement layer 40, the phenomenon of secondary fracture appears after effectively reducing the repair. The repairing method has the advantages of simple construction, low cost, good repairing effect and extremely high application value.
The tough glue layer 30 is formed by coating various glues with certain toughness or flexibility, such as neutral glass glue, various building glues or various glues in a certain ratio to form a glue mixture.
In another embodiment of the present invention, when the trench 20 in the cutting step 1 is cut, the crack is used as a middle line, and the cutting is performed on both sides of the crack along the lines of the crack. Particularly, by cutting the two sides of the crack, the uniform adhesive force on the two sides of the combination of the vegetable cement layer 40 and the groove wall 21 can be well ensured, and the micro crack at the bottom of the groove 20 can be positioned in the middle of the vegetable cement layer 40 in the width direction as much as possible, so that the probability of cracking of the combination position of the vegetable cement layer 40 and the groove wall 21 is reduced, and the repairing effect is ensured.
Of course, the crack may be used as a middle line, and when the trench 20 is cut, the trench is symmetrically cut along the lines of the crack at two sides of the crack, so that the probability of cracking at the joint of the cement layer 40 and the trench wall 21 can be better reduced, and the repairing effect can be ensured.
In another embodiment of the present invention, when the step 4 of filling the plain cement paste into the groove 20 is performed, the plain cement layer 40 formed by curing the plain cement paste is completely filled in the opening 23 and is flush with the surface of the concrete base layer 10. Specifically, when the plain cement paste is filled, the plain cement paste slightly overflows from the opening 23, so that the plain cement layer 40 formed after the plain cement paste is cured is basically flush with the surface of the concrete base layer 10, and then the plain cement layer 40 is guaranteed to be flush with the surface of the concrete base layer 10 through polishing and finishing, so that the repair is completed.
In another embodiment of the present invention, as shown in fig. 7, when the floor paint 50 is laid on the concrete base layer 10, the concrete crack repairing structure further includes step S05: the floor paint 50 is laid on the plain cement layer 40 and polished, so that the floor paint 50 on the concrete base layer 10 is flush with and seamlessly connected with the floor paint 50 on the plain cement layer 40. Specifically, in practical application, the concrete base layer 10 is widely applied to basements, pavements, floors and other places, according to actual needs of various application scenes, terraces with various functionalities are often laid on the concrete base layer 10, when the concrete base layer 10 with the terrace paint 50 cracks, after the plain cement layer 40 is flush with the concrete base layer 10 by the repairing method, the corresponding terrace paint 50 is correspondingly laid on the plain cement layer 40 and polished, so that the terrace paint 50 on the plain cement layer 40 is flush with the terrace paint 50 on the concrete base layer 10, the surface has no color difference, no gap exists, the repairing is completed, the terrace paint 50 can not crack again, the appearance is attractive, the construction is convenient, and the cost is low.
In another embodiment of the present invention, the thickness of the tough glue layer 30 is 0.2 cm-1.5 cm. Specifically, the thickness of the tough glue layer 30 is 0.2 cm-1.5 cm, so that the tough glue layer 30 has a certain structural strength to form an isolation effect, the micro cracks at the bottom of the groove 20 are prevented from disturbing the plain cement layer 40, and the phenomenon of secondary cracking is avoided. Further, the thickness of the tough glue layer 30 may preferably be 0.5cm to 1cm, so that the formed interlayer has a better isolation effect.
In another embodiment of the present invention, as shown in fig. 2, 3 and 4, the groove wall 21 is provided with at least one groove 24 and/or protrusion 25. Specifically, the groove 24 or the protrusion 25 is arranged on the groove wall 21, so that after the groove 20 is filled with the plain cement paste, the combination between the plain cement layer 40 formed by curing and the groove wall 21 is firmer, is not easy to separate, and has a good repairing effect. When the groove 24 and the protrusion 25 are provided on the groove walls 21, the groove 24 and the protrusion 25 may be provided on one groove wall 21 at the same time, and the other groove wall 21 is not provided; grooves 24 and protrusions 25 may be provided on both groove walls 21; it is also possible to provide a groove 24 or a projection 25 on one groove wall 21 and then also a groove 24 or a projection 25 on the other groove wall 21; it is of course also possible to provide neither groove 24 nor projection 25 on both groove walls 21; and selecting according to requirements.
In another embodiment of the present invention, as shown in fig. 2, 3 and 4, the groove 20 further has a bottom wall 22 opposite to the opening 23, two groove walls 21 are disposed in parallel and respectively located at two sides of the bottom wall 22, and the flexible glue layer 30 is laid on the bottom wall 22. Specifically, cell wall 21 forms at the in-process of cutting, when the cutting, through making the blade cut in parallel in cracked both sides, then will be located the concrete residue between two cell walls 21 and clear away to form diapire 22 between two cell walls 21, with the completion to the cutting of slot 20, it is convenient to cut, and the slot 20 that forms also easily follow-up toughness glue film 30 and the plain grout of filling of laying of moreover, construction convenience.
In another embodiment of the present invention, as shown in fig. 2, 3 and 4, the included angle between the groove wall 21 and the bottom wall 22 is 60 ° to 90 °. Specifically, when the groove 20 is cut and formed in parallel on both sides of the crack, the blade may be made to cut downward perpendicularly to the surface of the concrete base layer 10, so that the cross section of the formed groove 20 perpendicular to the length direction of the groove 20 is rectangular, and the included angle between the groove wall 21 and the bottom wall 22 is 90 °; the blade and the surface of the concrete base layer 10 may be cut at an included angle of 60 to 90 degrees, so that the formed groove 20 has a parallelogram shape in a cross section perpendicular to the length direction of the groove 20.
In another embodiment of the present invention, as shown in fig. 5, the two groove walls 21 are disposed in a relatively inclined manner to form a "V" shape, and the flexible glue layer 30 is disposed at the bottom between the two groove walls 21. Specifically, the blade is inclined to cut towards the direction of the crack on two sides of the crack until the two groove walls 21 intersect to form the V-shaped groove 20, so that the cutting is more convenient, the concrete at the bottom wall 22 between the two groove walls 21 does not need to be cut, and more construction time can be saved; and the formed groove 20 is easy to lay the tough glue layer 30 and fill plain cement paste subsequently, and the construction is convenient.
In another embodiment of the present invention, as shown in fig. 5, the included angle between the two slot walls 21 is 30 ° to 90 °. Specifically, when the V-shaped grooves 20 are oppositely cut and formed on both sides of the crack, an included angle between 15 ° and 45 ° can be formed between the blade and the surface of the concrete base layer 10 on one side of the crack according to requirements, so as to cut and form a groove wall 21 inclined at 15 ° to 45 °; then forming an included angle of 15-45 degrees between the blade and the surface of the concrete base layer 10 on the other side of the crack so as to form another groove wall 21 inclined at 15-45 degrees through cutting; that is, when the two groove walls 21 intersect to form the V-shaped groove 20 with an included angle of 30 to 90 degrees, the two groove walls 21 may be symmetrically or asymmetrically arranged, and the selected cutting can be performed according to the condition of the crack to be repaired, so as to fill various irregular cracks, and the application range is wide.
In another embodiment of the present invention, as shown in fig. 6, the groove 20 further has a bottom wall 22 opposite to the opening 23, the two groove walls 21 are oppositely disposed in an inclined manner and located at two sides of the bottom wall 22, the width of the bottom wall 22 between the two groove walls 21 is smaller than that of the opening 23, and the flexible glue layer 30 is laid on the bottom wall 22. Specifically, the blade is used for obliquely cutting towards the direction of the crack on two sides of the crack relatively, then concrete residues between the two groove walls 21 are removed, so that a bottom wall 22 is formed between the two groove walls 21 to finish cutting the groove 20, the cutting is convenient, and the section of the formed groove 20 in the direction perpendicular to the length direction of the groove 20 is in a trapezoidal shape; in addition, the opening 23 of the groove 20 is wider than the bottom wall 22, so that when the bottom wall 22 is formed by concrete residues clearly positioned between the two groove walls 21, a constructor has a better construction space, and the formed groove 20 is easy to lay the tough glue layer 30 and the filling cement paste subsequently, so that the construction is more convenient.
In another embodiment of the present invention, as shown in fig. 6, the included angle between the groove wall 21 and the bottom wall 22 is 30 ° to 60 °. Specifically, when the grooves 20 in the shape of a terrace are oppositely cut and formed on two sides of the crack, an included angle of 30-60 degrees can be formed between the blade and the surface of the concrete base layer 10 on one side of the crack according to requirements, so as to form a groove wall 21 inclined at 30-60 degrees by cutting; then, forming an included angle of 30-60 degrees between the blade and the surface of the concrete base layer 10 on the other side of the crack so as to form another groove wall 21 inclined at 30-60 degrees through cutting; that is, when the grooves 20 in the shape of a terrace are formed by cutting, the two groove walls 21 may be symmetrically or asymmetrically arranged, and the selected cutting can be performed according to the condition of the cracks to be repaired, so that various irregular cracks can be filled, and the application range is wide.
In another embodiment of the present invention, the width of the opening 23 is 1 to 3 times the width of the slit. Specifically, when the groove 20 is cut on both sides of the crack, the groove 20 may be cut according to the width of the crack, and the width of the opening 23 of the groove 20 is ensured to be larger than the width of the crack, so as to repair the crack. The width of the opening 23 may be 1cm to 4cm or other widths, and is set as required.
In another embodiment of the invention, the depth between the opening 23 to the bottom of the groove 20 is 0.8 to 1.2 times the depth of the crack. Specifically, when the groove 20 is cut, the cutting can be performed according to the depth of the crack, so that the depth of the groove 20 is equivalent to the depth of the crack, and the depth of the groove 20 can be larger than the depth of the crack, thereby realizing the complete repair of the crack during the repair; it is also possible to make the depth of the trench 20 slightly less than the depth of the crack to leave some tiny cracks at the bottom of the trench 20, and then during repairing, these tiny cracks will not affect the repaired trench 20 to crack again under the isolation effect of the tough glue layer 30. The depth from the opening 23 to the bottom of the groove 20 may be 3cm to 7cm or other depths, and is set as required.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a concrete crack repair structure which characterized in that: including concrete-based layer, toughness glue film and plain cement layer, on the concrete-based layer along fissured line to the fissured direction of depth cuts the slot that forms to have the predetermined degree of depth, the slot has relative cell wall that sets up and is two between the cell wall and be located with the opening of concrete-based layer parallel and level department, the toughness glue film is laid in the slot with the bottom that the opening is relative, plain cement layer is laid in on the toughness glue film and is filled the slot.
2. The concrete crack repairing structure according to claim 1, wherein: the thickness of the tough glue layer is 0.2 cm-1.5 cm.
3. The concrete crack repairing structure according to claim 1, wherein: the width of the opening is 1 to 3 times the width of the slit.
4. The concrete crack repairing structure according to claim 1, wherein: the depth between the opening to the bottom of the trench is 0.8 to 1.2 times the depth of the crack.
5. The concrete crack repairing structure according to any one of claims 1 to 4, wherein: the slot still has the diapire relative with the opening, two the cell wall is parallel arrangement and is located respectively the both sides of diapire, the toughness glue film is laid in on the diapire.
6. The concrete crack repairing structure of claim 5, wherein: the included angle between the groove wall and the bottom wall is 60-90 degrees.
7. The concrete crack repairing structure according to any one of claims 1 to 4, wherein: the two groove walls are oppositely and obliquely arranged to form a V-shaped shape, and the tough glue layer is laid at the bottom between the two groove walls.
8. The concrete crack repairing structure of claim 7, wherein: the included angle between the two groove walls is 30-90 degrees.
9. The concrete crack repairing structure according to any one of claims 1 to 4, wherein: the slot still has the diapire relative with the opening, two the cell wall sets up and is located in slope relatively the both sides of diapire, the diapire is located two the width between the cell wall is less than the open-ended width, toughness glue film lays in on the diapire.
10. The concrete crack repairing structure of claim 9, wherein: the included angle between the groove wall and the bottom wall is 30-60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020584034.0U CN212507535U (en) | 2020-04-17 | 2020-04-17 | Concrete crack repairing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020584034.0U CN212507535U (en) | 2020-04-17 | 2020-04-17 | Concrete crack repairing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212507535U true CN212507535U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020584034.0U Expired - Fee Related CN212507535U (en) | 2020-04-17 | 2020-04-17 | Concrete crack repairing structure |
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| CN (1) | CN212507535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958148A (en) * | 2021-11-15 | 2022-01-21 | 广东科顺修缮建筑技术有限公司 | Groove for repairing cracks of back pressure water leakage and grooving process and application thereof |
-
2020
- 2020-04-17 CN CN202020584034.0U patent/CN212507535U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958148A (en) * | 2021-11-15 | 2022-01-21 | 广东科顺修缮建筑技术有限公司 | Groove for repairing cracks of back pressure water leakage and grooving process and application thereof |
| CN113958148B (en) * | 2021-11-15 | 2023-07-07 | 科顺建筑修缮技术有限公司 | Groove for repairing reverse pressure leakage water cracks and grooving process and application thereof |
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Granted publication date: 20210209 |