Repair treatment structure for road cracked potholes

Abstract

The utility model discloses a road cracking pit slot repairing treatment structure which comprises a new lower base layer and an old lower base layer, a new upper base layer and an old upper base layer are respectively laid on the tops of the new lower base layer and the old lower base layer, and a new upper surface layer and an old upper surface layer are respectively laid on the tops of the new upper base layer and the old upper base layer. And a new asphalt layer and an old asphalt layer are respectively laid on the tops of the new upper surface layer and the old upper surface layer. The connection between the new lower base layer and the old lower base layer is anchored through the U-shaped anchor pieces, so that the new lower base layer and the old lower base layer are connected into a whole, the possibility of splitting of the new lower base layer and the old lower base layer is reduced, meanwhile, the new upper base layer and the old upper base layer are connected into a whole through the steel bars, and therefore the possibility of splitting of new and old road surfaces is reduced; the purposes of reinforcing connection between the new and old pavements, reducing the possibility of cracks between the new and old pavements and prolonging the service life of the pavements can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of highway maintenance, in particular to a highway crack pothole repair processing structure. Background Art

[0002] Since the main material of the old and new pavement surfaces is still concrete, concrete will have the characteristics of thermal expansion and contraction in hot or cold weather, which will directly lead to gaps at the joints between the old and new pavements. Therefore, a highway crack and pothole repair structure is needed to reinforce the connection between the new and old pavements, thereby reducing the possibility of cracks between the new and old surfaces, thereby increasing the service life of the pavement. Utility Model Content

[0003] The purpose of the utility model is to provide a highway crack and pothole repair treatment structure, which can reinforce the connection between the new and old road surfaces, thereby reducing the possibility of cracks between the new and old ground surfaces, thereby increasing the service life of the road surface, in order to solve the technical problems raised by the above-mentioned background technology.

[0004] The utility model provides a technical solution for solving the above-mentioned technical problems as follows: a highway crack and pothole repair treatment structure, comprising a new lower base and an old lower base: a new upper base and an old upper base are laid on the top of the new lower base and the old lower base respectively, a new upper layer and an old upper layer are laid on the top of the new upper base and the old upper base respectively, a new asphalt layer and an old asphalt layer are laid on the top of the new upper layer and the old upper layer respectively, a slot is provided on the top of the old lower base, a U-shaped anchor is installed between the inner cavity of the slot and the new lower base, a structural adhesive layer is filled between the inner wall of the slot and the U-shaped anchor, a rod hole is provided on the left side of the old upper base, a steel bar is provided in the inner cavity of the rod hole, an end of the steel bar extends to the interior of the new upper base, and a permanent adhesive layer is filled between the steel bar and the inner wall of the rod hole.

[0005] Preferably, a tack coat oil layer is filled between the new upper layer and the old upper layer, and the tack coat oil layer is a modified emulsified asphalt layer.

[0006] Preferably, a plurality of support rods are integrally formed on the right side surface of the U-shaped anchor, and the ends of the support rods abut against the inner wall of the slot.

[0007] Preferably, a circular plate is welded to the left end of the steel bar, and the circular plate is a metal circular plate.

[0008] Preferably, a groove is provided on the surface of the steel bar, and the groove is an annular groove.

[0009] Preferably, a tooth socket is opened on the top of the old upper base layer, and cast teeth are cast in the inner cavity of the tooth socket.

[0010] The beneficial effects of the utility model are:

[0011] 1. The utility model uses a U-shaped anchor to anchor the connection between the new lower base and the old lower base, so that the new lower base and the old lower base can be connected as a whole, reducing the possibility of the new lower base and the old lower base being split. At the same time, the new upper base and the old upper base are connected as a whole through steel bars, thereby reducing the possibility of the new and old pavement being split, and the connection between the new and old pavements can be reinforced, thereby reducing the possibility of cracks between the new and old ground surfaces, thereby increasing the purpose of the pavement service life;

[0012] 2. The utility model has good low-temperature crack resistance by setting the adhesive layer and oil layer, avoiding the occurrence of cracks between the new upper layer and the old upper layer when the external temperature is too low;

[0013] 3. The utility model increases the surface area of ​​the U-shaped anchor by setting the support rod, so that the U-shaped anchor can fully contact with the structural adhesive layer, and improves the stability of the position of the U-shaped anchor in the inner cavity of the slot;

[0014] 4. The utility model increases the surface area of ​​the left end of the steel bar by setting the circular plate, so that the steel bar can fully contact with the new base layer, ensuring the stability of the connection between the steel bar and the new base layer;

[0015] 5. The utility model provides the groove so that the right section of the steel bar can fully contact with the permanent adhesive layer, thereby improving the use effect of the permanent adhesive layer and further improving the stability of the position of the steel bar in the inner cavity of the rod hole;

[0016] 6. The utility model increases the friction between the new upper layer and the old upper base layer through the coordinated use of the tooth grooves and the cast teeth, reduces the possibility of displacement of the new upper layer on the surface of the old upper base layer, and thus improves the stability of the connection between the new and old pavements. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] in:

[0018] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model;

[0019] Figure 2 This is an embodiment of the utility model Figure 1 A partial enlarged view of point A;

[0020] Figure 3 This is an embodiment of the utility model Figure 1 A partial enlarged view of point B in the middle;

[0021] Figure 4 This is an embodiment of the utility model Figure 1 A partial enlarged view of point C in the middle.

[0022] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0023] 1. New lower base, 2. Old lower base, 3. New upper base, 4. Old upper base, 5. New upper layer, 6. Old upper layer, 7. Adhesive oil layer, 8. New asphalt layer, 9. Old asphalt layer, 10. Slots, 11. U-shaped anchors, 12. Structural adhesive layer, 13. Support rods, 14. Rod holes, 15. Rebars, 16. Round plates, 17. Permanent adhesive layer, 18. Grooves, 19. Tooth sockets, 20. Cast teeth. DETAILED DESCRIPTION

[0024] Hereinafter, an embodiment of the highway crack and pothole repair treatment structure of the present invention will be described with reference to the accompanying drawings. Example 1

[0025] Figure 1-4 A highway crack pothole repair treatment structure according to an embodiment of the utility model is shown, which comprises a new lower base layer 1 and an old lower base layer 2: a new upper base layer 3 and an old upper base layer 4 are laid on the top of the new lower base layer 1 and the old lower base layer 2, respectively; a new upper layer 5 and an old upper layer 6 are laid on the top of the new upper base layer 3 and the old upper base layer 4, respectively; a tack coat oil layer 7 is filled between the new upper layer 5 and the old upper layer 6; the tack coat oil layer 7 is a modified emulsified asphalt layer; through the setting of the tack coat oil layer 7, it has good low-temperature crack resistance, and avoids the occurrence of cracks between the new upper layer 5 and the old upper layer 6 when the external temperature is too low; a new asphalt layer 8 and an old asphalt layer 9 are laid on the top of the new upper layer 5 and the old upper layer 6, respectively; a slot 10 is opened on the top of the old lower base layer 2; a U-shaped anchor 11 is installed between the inner cavity of the slot 10 and the new lower base layer 1, and a U-shaped anchor 11 is filled between the inner wall of the slot 10 and the U-shaped anchor 11 A structural adhesive layer 12 is filled, and a plurality of support rods 13 are integrally formed on the surface of the right side of the U-shaped anchor 11. The ends of the support rods 13 are against the inner wall of the slot 10. The arrangement of the support rods 13 increases the surface area of ​​the U-shaped anchor 11, so that the U-shaped anchor 11 can fully contact with the structural adhesive layer 12, thereby improving the stability of the position of the U-shaped anchor 11 in the inner cavity of the slot 10. A rod hole 14 is opened on the left side of the old upper base layer 4, and a steel bar 15 is arranged in the inner cavity of the rod hole 14. The end of the steel bar 15 extends to the interior of the new upper base layer 3. A circular plate 16 is welded to the left end of the steel bar 15, and the circular plate 16 is a metal circular plate. Through the arrangement of the circular plate 16, the surface area of ​​the left end of the steel bar 15 is increased, so that the steel bar 15 can fully contact with the new upper base layer 3, thereby ensuring the stability of the connection between the steel bar 15 and the new upper base layer 3. A permanent adhesive layer 17 is commonly filled between the steel bar 15 and the inner wall of the rod hole 14. Example 2

[0026] Figure 1-4A highway crack pothole repair treatment structure according to an embodiment of the utility model is shown, which comprises a new lower base layer 1 and an old lower base layer 2: a new upper base layer 3 and an old upper base layer 4 are laid on the top of the new lower base layer 1 and the old lower base layer 2, respectively; a new upper layer 5 and an old upper layer 6 are laid on the top of the new upper layer 3 and the old upper layer 4, respectively; a new asphalt layer 8 and an old asphalt layer 9 are laid on the top of the new upper layer 5 and the old upper layer 6, respectively; a slot 10 is provided on the top of the old lower base layer 2, a U-shaped anchor 11 is installed between the inner cavity of the slot 10 and the new lower base layer 1, a structural adhesive layer 12 is filled between the inner wall of the slot 10 and the U-shaped anchor 11, a rod hole 14 is provided on the left side of the old upper base layer 4, a steel bar 15 is provided in the inner cavity of the rod hole 14, and the end of the steel bar 15 extends to the new Inside the upper base layer 3, a permanent adhesive layer 17 is filled between the steel bar 15 and the inner wall of the rod hole 14. A groove 18 is provided on the surface of the steel bar 15, and the groove 18 is an annular groove. Through the setting of the groove 18, the right section of the steel bar 15 can be fully in contact with the permanent adhesive layer 17, thereby improving the use effect of the permanent adhesive layer 17, thereby improving the stability of the position of the steel bar 15 in the inner cavity of the rod hole 14. A tooth groove 19 is provided on the top of the old upper base layer 4, and the inner cavity of the tooth groove 19 is cast with cast teeth 20. Through the coordinated use of the tooth groove 19 and the cast teeth 20, the friction between the new upper layer 5 and the old upper base layer 4 is increased, and the possibility of displacement of the new upper layer 5 on the surface of the old upper base layer 4 is reduced, thereby improving the stability of the connection between the new and old pavements.

[0027] Working principle: When the utility model is used, the user digs out the cracks and grooves, then opens a slot 10 on the top of the old lower base layer 2, then inserts the U-shaped anchor 11 into the slot 10 and fills it with a structural adhesive layer 12, then pours the new lower base layer 1, and anchors the connection between the new lower base layer 1 and the old lower base layer 2 through the U-shaped anchor 11, so that the new lower base layer 1 and the old lower base layer 2 are connected as a whole, reducing the possibility of the new lower base layer 1 and the old lower base layer 2 splitting, then drills a rod hole 14 on the left side of the old upper base layer 4, then inserts a steel bar 15 into the rod hole 14 and fills it with a permanent adhesive layer 17, then pours the new upper base layer 3, and connects the new upper base layer 3 and the old upper base layer 4 as a whole through the steel bar 15, thereby reducing the possibility of the new and old pavement splitting, and then lays a new top layer 5 and a new asphalt layer 8 in turn on the new upper base layer 3, thereby strengthening the connection between the new and old pavements, thereby reducing the possibility of cracks between the new and old ground surfaces, thereby increasing the service life of the pavement.

[0028] In summary: the highway crack and pothole repair treatment structure anchors the connection between the new lower base layer 1 and the old lower base layer 2 through the U-shaped anchor 11, so that the new lower base layer 1 and the old lower base layer 2 are connected as a whole, reducing the possibility of the new lower base layer 1 and the old lower base layer 2 splitting, and at the same time, the new upper base layer 3 and the old upper base layer 4 are connected as a whole through the steel bar 15, thereby reducing the possibility of the new and old road surfaces splitting, thereby achieving the purpose of strengthening the connection between the new and old road surfaces, thereby reducing the possibility of cracks between the new and old ground surfaces, thereby increasing the service life of the road surface.

Claims

1. A road crack and pothole repair treatment structure, characterized in that: The invention comprises a new lower base (1) and an old lower base (2): a new upper base (3) and an old upper base (4) are laid on the top of the new lower base (1) and the old lower base (2), a new upper layer (5) and an old upper layer (6) are laid on the top of the new upper layer (3) and the old upper layer (4), a new asphalt layer (8) and an old asphalt layer (9) are laid on the top of the new upper layer (5) and the old upper layer (6), and a slot (10) is opened on the top of the old lower base (2), and the slot A U-shaped anchor (11) is installed between the inner cavity of the slot (10) and the new lower base (1), a structural adhesive layer (12) is filled between the inner wall of the slot (10) and the U-shaped anchor (11), a rod hole (14) is opened on the left side of the old upper base (4), a steel bar (15) is arranged in the inner cavity of the rod hole (14), an end of the steel bar (15) extends to the inside of the new upper base (3), and a permanent adhesive layer (17) is filled between the steel bar (15) and the inner wall of the rod hole (14).

2. A road crack and pothole repair treatment structure according to claim 1, characterized in that: A tack coat oil layer (7) is filled between the new upper layer (5) and the old upper layer (6), and the tack coat oil layer (7) is a modified emulsified asphalt layer.

3. A road crack and pothole repair treatment structure according to claim 2, characterized in that: A plurality of support rods (13) are integrally formed on the right side surface of the U-shaped anchor (11), and the ends of the support rods (13) abut against the inner wall of the slot (10).

4. A road crack and pothole repair treatment structure according to claim 3, characterized in that: A circular plate (16) is welded to the left end of the steel bar (15), and the circular plate (16) is a metal circular plate.

5. A road crack and pothole repair treatment structure according to claim 4, characterized in that: A groove (18) is provided on the surface of the steel bar (15), and the groove (18) is an annular groove.

6. A road crack and pothole repair treatment structure according to claim 5, characterized in that: A tooth groove (19) is provided on the top of the old upper base layer (4), and cast teeth (20) are cast in the inner cavity of the tooth groove (19).

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