Pavement pit slot repairing structure

Abstract

The utility model relates to the technical field of road maintenance, in particular to a pavement pit slot repairing structure which comprises a roadbed and a repairing slot, a plurality of reinforcing columns distributed at equal intervals are vertically arranged on the periphery of the interior of the repairing slot, and a plurality of reinforcing bars are longitudinally arranged between every two adjacent reinforcing columns. The reinforcing bars are vertically and fixedly connected with the reinforcing columns; a concrete wall layer is arranged on the inner wall of the periphery of the repairing groove and wraps all the reinforcing bars, and the opposite sides of all the reinforcing columns are embedded in the concrete wall layer. A first binder layer, a filling layer, a cement emulsified asphalt concrete layer and a leveling layer are sequentially arranged at the bottom in the repairing groove in the first direction. The concrete wall layer is located below the leveling layer, and the leveling layer and the top of the roadbed are located in the same plane; stress concentration is reduced, supporting force is improved after pit slot repairing, and the probability of collapse of a repairing area is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to road maintenance technical field, concretely discloses a road surface pit slot repairing structure. BACKGROUND

[0002] Road is the infrastructure for various trackless vehicles and pedestrians, for example, bus, car, bicycle and pedestrian can walk on the road, in the process of using the road, often encounter road surface damage situation, crack, big pit etc. appear, and further reduce the road traffic capacity influence traffic, if not timely repair, sometimes still can endanger the safety of traffic vehicle problem;

[0003] Chinese patent (announcement number: CN214783016U) discloses a kind of road repairing roadbed structure, its technical scheme can reduce the probability of collapse in repair area, to delay the damage of repairing road surface, and further improve the service life of repairing road surface, but it still exists uneven distribution, since in the above document, by fixing multiple fixed columns in repair groove in advance, then steel mesh is placed on multiple fixed columns, multiple fixed columns uneven distribution is prone to exist, easy to cause steel frame net partial position support strength to weaken, influence repair effect. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of road surface pit slot repairing structures, can disperse load, reduce stress concentration, make pit slot support force improve after repair, and reduce the probability of collapse in repair area.

[0005] The utility model is such implementation, a kind of road surface pit slot repairing structure, including roadbed and repair slot, the periphery of the inside of repair slot is vertically provided with several equal-distance distribution reinforcing columns, and several steel bars are arranged longitudinally between adjacent two reinforcing columns, and the steel bar is vertically fixed with reinforcing column;The inner wall of the periphery of repair slot is provided with concrete wall layer, the concrete wall layer is wrapped in all steel bars, and all reinforcing columns are embedded in concrete wall layer on the side opposite to each other;The inside bottom of repair slot is sequentially provided with first adhesive layer, filling layer, cement emulsified asphalt concrete layer, level layer along first direction;And the concrete wall layer is below level layer, and the level layer is in the same plane with the top of roadbed;First support sleeve and second support sleeve fixed with concrete wall layer are sequentially arranged in cement emulsified asphalt concrete layer from bottom to top, the inner wall of first support sleeve is provided with several equal-distance distribution first support beams, the inner wall of second support sleeve is provided with several equal-distance distribution second support beams, and the first support beam and second support beam are staggered distribution.

[0006] As a preferred road surface pit slot repairing structure of the utility model, second adhesive layer is arranged between cement emulsified asphalt concrete layer and level layer.

[0007] As one kind of road surface pit slot repair structure of the utility model, the first bracing beam top is vertically equipped with the bracing column of " Y " type shape, and the both ends of the bracing column top are equipped in the bottom of the second bracing beam.

[0008] As one kind of road surface pit slot repair structure of the utility model, the four corners inside the concrete wall layer are longitudinally arranged with several obliquely arranged reinforcing bars, and the both ends of the reinforcing bar are fixedly connected with the outer wall of two reinforcing columns.

[0009] As one kind of road surface pit slot repair structure of the utility model, the inside bottom of the repair slot is in wave shape.

[0010] As one kind of road surface pit slot repair structure of the utility model, the filling layer is composed of closely arranged aggregate layer and mortar layer filled above the aggregate layer.

[0011] The utility model has the advantages of:

[0012] The utility model, reinforcing column and steel bar make the bearing strength and stability of concrete wall layer improve, make pit slot no longer collapse, first adhesive layer is easy to lay in the aggregate layer of bottom and pit slot bonding, filling layer lays evenly, densely, can improve the strength and stability of its pit slot, the first support sleeve, second support sleeve, first bracing beam, second bracing beam and bracing column of " Y " type shape inside cement emulsified asphalt concrete layer can disperse load, reduce stress concentration, make pit slot support force improve after repair, and reduce the probability of collapse of repair area, the even layer is wrapped in concrete wall layer and cement emulsified asphalt concrete layer, helps to reduce the vibration and noise in the process of vehicle driving, to improve the comfort of driving, and improves the aesthetics of pit slot repair. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the drawings needed to be used in the specific embodiment or the prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, various elements or parts are not necessarily drawn according to the actual proportion.

[0014] Figure 1 It is the structure schematic view of the utility model.

[0015] Figure 2 It is the structure schematic view of the utility model concrete wall layer and second support sleeve.

[0016] Figure 3 It is the structure schematic view of the utility model reinforcing column and steel bar.

[0017] Figure 4The second support sleeve and the second support beam are shown in the structure diagram.

[0018] In the figure, 1 is a roadbed, 2 is a repair groove, 3 is a reinforcing column, 4 is a reinforcing bar, 5 is a concrete wall layer, 6 is a first adhesive layer, 7 is a filling layer, 8 is a cement emulsified asphalt concrete layer, 9 is a leveling layer, 10 is a first support sleeve, 11 is a second support sleeve, 12 is a first support beam, 13 is a second support beam, 14 is a second adhesive layer, 15 is a support column, and 16 is a reinforcing rib. DETAILED DESCRIPTION

[0019] The utility model will be further explained in connection with the drawings and specific embodiments to help understanding the contents of the utility model. The method used in the utility model is conventional if no special provision is made; the raw materials and devices used are conventional commercial products if no special provision is made.

[0020] Please refer to Figures 1-4 A road surface pit groove repair structure, including roadbed 1 and repair groove 2, the inside of repair groove 2 is vertically provided with a plurality of equidistance distribution reinforcing column 3, and a plurality of reinforcing bars 4 are arranged longitudinally between adjacent two reinforcing columns 3, and the reinforcing bar 4 is vertically fixedly connected with the reinforcing column 3;The inner wall of the four around repair groove 2 is provided with concrete wall layer 5, and all reinforcing bars 4 are wrapped in the concrete wall layer 5, and all reinforcing columns 3 are embedded in the concrete wall layer 5 on the side opposite to each other;The bottom of repair groove 2 is sequentially provided with first adhesive layer 6, filling layer 7, cement emulsified asphalt concrete layer 8 and leveling layer 9 along the first direction;And the concrete wall layer 5 is located below the leveling layer 9, and the leveling layer 9 and the top of roadbed 1 are in the same plane;The cement emulsified asphalt concrete layer 8 is sequentially provided with first support sleeve 10 and second support sleeve 11 fixedly connected with the concrete wall layer 5 from bottom to top;The inner wall of first support sleeve 10 is provided with a plurality of equidistance distribution first support beam 12, the inner wall of second support sleeve 11 is provided with a plurality of equidistance distribution second support beam 13, and the first support beam 12 and the second support beam 13 are staggered distribution.

[0021] In the embodiment, the concrete wall layer 5 is arranged in the road surface pit, the reinforced column 3 and the reinforcing bars 4 are wrapped, the reinforced column 3 and the reinforcing bars 4 improve the bearing strength and stability of the concrete wall layer 5, and the pit is no longer collapsed; the first adhesive layer 6 is easy to be laid on the bottom aggregate layer and the pit to be bonded, the filling layer 7 is laid uniformly and densely, and the strength and stability of the pit can be improved; the first support sleeve 10, the second support sleeve 11, the first support beam 12, the second support beam 13 and the Y-shaped support column 15 are arranged in the cement emulsified asphalt concrete layer 8 above the filling layer 7, the first support sleeve 10, the second support sleeve 11, the first support beam 12, the second support beam 13 and the Y-shaped support column 15 can disperse the load, reduce stress concentration, improve the supporting force after the pit is repaired, and reduce the probability of collapse of the repaired area; the leveling layer 9 wraps the concrete wall layer 5 and the cement emulsified asphalt concrete layer 8, which helps to reduce the vibration and noise in the driving process of the vehicle, thereby improving the driving comfort and improving the appearance of the pit repair.

[0022] As a technical optimization scheme of the utility model, the second adhesive layer 14 is arranged between the cement emulsified asphalt concrete layer 8 and the leveling layer 9.

[0023] In the embodiment, the second adhesive layer 14 can effectively prevent damage of external force to the cement emulsified asphalt concrete layer 8 and resist the damage of natural forces such as weathering and erosion.

[0024] As a technical optimization scheme of the utility model, the first support beam 12 is vertically provided with the Y-shaped support column 15 at the top, and the two ends of the top of the support column 15 are arranged at the bottom of the second support beam 13.

[0025] In the embodiment, the Y-shaped support column 15 can decompose the bearing capacity on the first support beam 12 and the second support beam 13, easily decompose the bearing capacity in the vertical direction and the horizontal direction, improve the supporting force of the overall part of the repaired road surface, and reduce the probability of collapse of the repaired area.

[0026] As a technical optimization scheme of the utility model, a plurality of inclined reinforcing bars 16 are arranged at the four corners inside the concrete wall layer 5 in a longitudinal arrangement, and the two ends of the reinforcing bars 16 are fixedly connected with the outer walls of two of the reinforced columns 3.

[0027] In the embodiment, the reinforcing bars 16 further improve the structural strength of the corners of the concrete wall layer 5, the reinforcing bars 16 are fixedly connected with the two sides to form a whole structure, effectively resist external load and stress, reduce the damage risk caused by load concentration, improve the overall stability of the repaired groove 2, and prolong the service life of the repaired groove 2.

[0028] As a technical optimization scheme of the utility model, the bottom of the repaired groove 2 is in a wave shape.

[0029] In the embodiment, the bottom of the road surface repairing groove 2 is excavated in a wavy shape before being filled and repaired, and the wavy shape can increase the contact area between the repaired part and the bottom, improve the overall strength and stability of the repaired structure, and help to better disperse the load and reduce the damage risk of the repaired part caused by uneven stress.

[0030] As a technical optimization scheme of the utility model, the filling layer 7 is composed of a closely arranged aggregate layer and a mortar layer filled above the aggregate layer.

[0031] In the embodiment, the close arrangement of the aggregate layer and the filling effect of the mortar layer make the concrete have good sealing performance, which helps to prevent harmful substances such as water and gas from penetrating into the inside, thereby prolonging the service life of the pit and groove repair.

[0032] The working principle and use process of the utility model are as follows:

[0033] The loose materials and sundries in the pit and groove are thoroughly cleaned to ensure that the surface of the pit and groove is clean; after the debris in the road surface pit and groove is cleaned, the reinforcing columns 3 are vertically fixed around the pit and groove, and the steel bars 4 are directly installed between adjacent reinforcing columns 3, a concrete wall layer 5 is arranged in the road surface pit and groove using concrete, the reinforcing columns 3 and the steel bars 4 are wrapped, so that the pit and groove no longer collapses; in order to improve the adhesion of the repairing material and the surrounding road surface, a first adhesive layer 6 (such as emulsified asphalt) is sprayed on the surface of the pit and groove; then the aggregate layer (the appropriate aggregate specification and quality should be selected, and it is ensured that the aggregate layer is uniformly and densely laid) is laid, and appropriate tools or equipment are used to compact the aggregate layer to improve its strength and stability; the first support sleeve 10 and the second support sleeve 11 are fixed on the concrete wall layer 5 above the aggregate layer, the first support beam 12 and the second support beam 13 are fixed in the first support sleeve 10 and the second support sleeve 11, and the first support beam 12 and the second support beam 13 are arranged in a staggered manner, the support column 15 in the shape of "Y" is welded between the first support beam 12 and the second support beam 13, then the cement emulsified asphalt concrete layer 8 is poured above the aggregate layer to ensure that the filling material is uniform and dense; the second adhesive layer 14 can effectively prevent damage to the cement emulsified asphalt concrete layer 8 by external force, and can resist the damage of natural forces such as weathering and erosion; and the leveling layer 9 is in the same plane as the top of the roadbed 1, and the concrete wall layer 5 and the cement emulsified asphalt concrete layer 8 are wrapped inside, further improving the aesthetics of the pit and groove repair.

[0034] In the description of the utility model, need understanding is, the term "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "intermediate" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicating or implying that the indicated device or element must have a specific orientation, a specific orientation structure and operation, therefore it cannot be understood as a limitation on the utility model.

[0035] The above-mentioned is only a specific embodiment of the utility model, and cannot limit the range of the utility model, so the replacement of equivalent components or equivalent changes and modifications made in the protection range of the utility model patent should still belong to the scope covered by the claims of the utility model.

Claims

1. A road surface pit repair structure comprising a road base (1) and a repair slot (2), characterized in that: The reinforcing column (3) is vertically arranged in the repair groove (2), and the reinforcing bars (4) are longitudinally arranged between two adjacent reinforcing columns (3), and the reinforcing bars (4) are vertically connected with the reinforcing columns (3); the inner wall of the repair groove (2) is provided with a concrete wall layer (5), the concrete wall layer (5) wraps all the reinforcing bars (4), and the side opposite to all the reinforcing columns (3) is embedded in the concrete wall layer (5); the bottom of the repair groove (2) is sequentially provided with a first adhesive layer (6), a filling layer (7), a cement emulsified asphalt concrete layer (8) and a leveling layer (9) along a first direction; the concrete wall layer (5) is located below the leveling layer (9), and the leveling layer (9) is in the same plane with the top of the roadbed (1); the cement emulsified asphalt concrete layer (8) is sequentially provided with a first support sleeve (10) and a second support sleeve (11) from bottom to top, the first support sleeve (10) is provided with a plurality of first support beams (12) arranged at equal distances on the inner wall, the second support sleeve (11) is provided with a plurality of second support beams (13) arranged at equal distances on the inner wall, and the first support beams (12) and the second support beams (13) are staggered.

2. A pavement pothole repair structure according to claim 1, wherein: The cement emulsified asphalt concrete layer (8) and the leveling layer (9) are provided with a second adhesive layer (14).

3. A pavement pothole repair structure according to claim 1, wherein: The top of the first support beam (12) is vertically provided with a "Y"-shaped support column (15), and the two ends of the support column (15) are arranged on the bottom of the second support beam (13).

4. A pavement pothole repair structure according to claim 1, wherein: The four corners of the concrete wall layer (5) are longitudinally arranged with a plurality of inclined reinforcing bars (16), and the two ends of the reinforcing bars (16) are fixedly connected with the outer walls of two reinforcing columns (3).

5. A pavement pothole repair structure according to claim 1, wherein: The bottom of the repair groove (2) is in a wave shape.

6. A pavement pothole repair structure according to claim 1, wherein: The filling layer (7) is composed of a closely arranged aggregate layer and a mortar layer filled above the aggregate layer.

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