CN210031374U

CN210031374U - V-shaped groove repairing structure for embankment

Info

Publication number: CN210031374U
Application number: CN201920433351.XU
Authority: CN
Inventors: 王新泉
Original assignee: NUCLEAR INDUSTRY SOUTH-WEST CONSTRUCTION GROUP Co Ltd
Current assignee: NUCLEAR INDUSTRY SOUTH-WEST CONSTRUCTION GROUP Co Ltd
Priority date: 2018-06-26
Filing date: 2019-04-01
Publication date: 2020-02-07
Anticipated expiration: 2029-04-01

Abstract

The utility model relates to a V-shaped groove repairing structure of an embankment, which comprises a roadbed, a base layer crack, a connecting rib bottom plate, a lower surface layer, a hinged V-shaped unit type rib frame, a vertical prestress middle rib, a net-shaped rib sheet, a bonding layer and an anti-cracking reinforcing layer; the lower surface layer is provided with a hinged V-shaped unit type rib frame which is longitudinally arranged along the pavement, and the lower parts of the hinged V-shaped unit type rib frames are connected together through a connecting rib bottom plate; the articulated V-shaped unit type rib frame is bound with net-shaped ribs and is provided with vertical prestress middle ribs; and an adhesive layer and an anti-cracking reinforcing layer are laid above the hinged V-shaped unit type rib frame. The utility model has the advantages that: the utility model discloses a locate built-in unit formula muscle frame embankment V type groove at road surface top layer, replace local full dark mill plane, embankment V type groove skeleton comprises articulated V-arrangement unit formula muscle frame, has the reinforcing bar of thin point above the unit formula muscle frame, inlays admittedly with lower floor, the effectual basic unit crack top stress concentration of having eliminated.

Description

V-shaped groove repairing structure for embankment

Technical Field

The utility model relates to a structure is restoreed in embankment V type groove mainly is applicable to the road surface and needs the local excavation of milling and planing, eliminates crack top stress concentration, prevents the crack to continue in the road surface of upwards development.

Background

The asphalt concrete pavement has good mechanical property, better durability and driving comfort, is suitable for the passing of various vehicles, and is widely adopted in the construction of highways. However, due to the difference of asphalt materials and the influence of factors such as design and construction level, some diseases often occur on asphalt pavements. The occurrence of these diseases seriously affects the service performance of the expressway, increases the road maintenance cost, and damages the industry image, so that it is necessary to analyze the cause of the disease and effectively perform prevention and treatment.

Asphalt pavements are exposed to the atmosphere for a long time, bear the load of automobiles continuously, and cause various diseases under the comprehensive action of various factors. The following diseases are common diseases:

(1) in northern freezing areas, under the condition of underground water action or large amount of ground water infiltration in rainy seasons, the strength of a roadbed is reduced, so that a road surface is greatly deformed and damaged under the action of vehicle load, particularly, frost cracks are generated on the road surface in winter, and grout turning is generated in spring melting seasons.

(2) The roadbed is in a good dry and wet state, and the road surface can generate low-temperature shrinkage cracks in winter. In non-freezing areas, the strength and stability of medium and low grade aggregate pavements in rainy seasons and wet seasons are the lowest, and the pavements are easy to be damaged by rutting and the like.

(3) In dry seasons, dust on the road surface flies, the abrasion is serious, the driving sight is easily influenced, and the surrounding environment is easily polluted. Under the action of atmospheric factors such as sunlight, temperature, air and the like, the asphalt pavement is easy to age and lose viscoplasticity, and is loosened, cracked and cracked in a large area under the action of a driving load.

In view of this, in order to improve the comprehensive treatment and repair construction quality of the grade highway base diseases, the invention of the simple and effective V-shaped groove repair structure of the built-in unit type reinforcement frame embankment needs to be urgently invented to replace the traditional anti-crack repair of local full-depth milling.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough among the prior art, provide a embankment V type groove repair structure.

The V-shaped groove repairing structure for the embankment comprises a roadbed, a base layer, base layer cracks, a rib connecting bottom plate, a lower surface layer, a hinged V-shaped unit type rib frame, vertical prestressed middle ribs, a net-shaped rib sheet, an adhesive layer and an anti-cracking reinforcing layer; the lower surface layer is provided with a hinged V-shaped unit type rib frame which is longitudinally arranged along the pavement, and the lower parts of the hinged V-shaped unit type rib frames are connected together through a connecting rib bottom plate; the articulated V-shaped unit type rib frame is bound with net-shaped ribs and is provided with vertical prestress middle ribs; and an adhesive layer and an anti-cracking reinforcing layer are laid above the hinged V-shaped unit type rib frame.

Preferably, the method comprises the following steps: the articulated V-shaped unit type rib frame is formed by connecting two thick steel bars through a steel hinge, welding the thick steel bars with thin and sharp steel bars, pricking the thin and sharp steel bars into the lower surface layer, and connecting the lower part of the articulated V-shaped unit type rib frame with the connecting rib bottom plate and longitudinally arranging the articulated V-shaped unit type rib frame along the pavement.

Preferably, the method comprises the following steps: the net-shaped rib pieces are fixed on the hinged V-shaped unit rib frame through the connecting short nails, the hinged V-shaped unit rib frame is provided with vertical prestress middle ribs, and the vertical prestress middle ribs are connected with the top middle rib connecting plate together.

Preferably, the method comprises the following steps: the inside of the hinged V-shaped unit type rib frame is filled with water-tight filling materials, and the outer side of the hinged V-shaped unit type rib frame is provided with a side wall bonding layer.

Preferably, the method comprises the following steps: a prestress spacer block is arranged above a top middle rib connecting plate at the top of the hinged V-shaped unit type rib frame, a bonding layer is laid above the prestress spacer block, an anti-cracking reinforcing layer is laid above the bonding layer, and a middle surface layer, an upper surface layer and a paving surface layer are laid above the anti-cracking reinforcing layer.

The utility model has the advantages that:

(1) the utility model discloses a locate built-in unit formula muscle frame embankment V type groove at road surface top layer, replace local full dark mill plane, embankment V type groove skeleton comprises articulated V-arrangement unit formula muscle frame, has the reinforcing bar of thin point above the unit formula muscle frame, inlays admittedly with lower floor, the effectual basic unit crack top stress concentration of having eliminated.

(2) The utility model discloses a set up even board above articulated V-arrangement unit formula muscle frame with below to muscle in the muscle frame middle part sets up vertical prestressing force, the wholeness and the fastness of reinforcing unit formula muscle frame improve embankment V type groove skeleton and resist the road surface impact force.

(3) The utility model discloses at the inside dense water type stopping of packing of unit formula muscle frame to set up the lateral wall tie coat in the articulated V-arrangement unit formula muscle frame outside, strengthen the wholeness and the intensity of embankment V type groove restoration structure.

Drawings

FIG. 1 is a schematic view of the V-shaped groove repairing structure of the embankment of the present invention;

FIG. 2 is an enlarged view of the structure of the articulated V-shaped unit type rib frame;

fig. 3 is the utility model discloses embankment V type groove is restoreed structure and is backfilled road surface structural layer sketch map.

Description of reference numerals: 1-roadbed, 2-base course, 3-base course crack, 4-connecting rib bottom board, 5-lower surface course, 6-hinged V-shaped unit type rib frame, 7-vertical prestress middle rib, 8-connecting short nail, 9-dense water type filling material, 10-side wall bonding layer, 11-reticular rib sheet, 12-top middle rib connecting plate, 13-prestress spacing block, 14-bonding layer, 15-crack-resistant reinforced layer, 16-middle surface course, 17-upper surface course, 18-additional paving surface course, 19-steel hinge, 28-glass fiber geogrid and 32-original road surface course.

Detailed Description

The present invention will be further described with reference to the following examples. The following description of the embodiments is merely provided to aid in understanding the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

The V-shaped groove repairing structure of the embankment comprises a roadbed 1, a base layer 2, a base layer crack 3, a connecting rib bottom plate 4, a lower surface layer 5, a hinged V-shaped unit type rib frame 6, a vertical prestress middle rib 7, a net-shaped rib sheet 11, an adhesive layer 14 and an anti-crack reinforcing layer 15; the lower surface layer 5 is provided with a hinged V-shaped unit type rib frame 6, the hinged V-shaped unit type rib frames 6 are longitudinally arranged along the pavement, and the lower parts of the hinged V-shaped unit type rib frames 6 are connected together through a connecting rib bottom plate 4; a net-shaped rib sheet 11 is bound on the hinged V-shaped unit type rib frame 6, and a vertical prestress middle rib 7 is arranged; and an adhesive layer 14 and an anti-cracking reinforcing layer 15 are laid above the hinged V-shaped unit type rib frame 6.

Articulated V-arrangement unit formula muscle frame 6 is connected through steel hinge 19 by two thick reinforcing bars, and thick reinforcing bar welding has the reinforcing bar of thin point, and the reinforcing bar of thin point pricks into lower surface 5, and articulated V-arrangement unit formula muscle frame 6 lower part is connected and is formed whole articulated V-arrangement unit formula muscle frame along pavement longitudinal arrangement with even muscle bottom plate 4.

The net-shaped rib pieces 11 are fixed on the hinged V-shaped unit type rib frame 6 through connecting short nails 8, the hinged V-shaped unit type rib frame 6 is provided with a vertical prestress middle rib 7, and the vertical prestress middle rib 7 is connected with a top middle rib connecting plate 12.

The hinged V-shaped unit type rib frame 6 is filled with water-tight filling materials 9, and the outer side of the hinged V-shaped unit type rib frame 6 is provided with a side wall bonding layer 10.

A prestress spacer block 13 is arranged above a top middle rib connecting plate 12 at the top of the hinged V-shaped unit type rib frame 6, an adhesive layer 14 is laid above the prestress spacer block 13, an anti-cracking reinforcing layer 15 is laid above the adhesive layer 14, and a middle surface layer 16, an upper surface layer 17 and an additional paving surface layer 18 are laid above the anti-cracking reinforcing layer 15.

The utility model discloses well articulated V-arrangement unit formula muscle frame 6 size is according to the thickness design of surface course 5 down, articulated V-arrangement unit formula muscle frame 6 upper portion height is not more than the upper surface of surface course 5 down, after the road surface excavation, measure the degree of depth of excavating the slot, former surface course 32 thickness, and rationally design tie coat 14 according to the measured value, anti enhancement layer 15 that splits, well surface course 16, upper surface course 17, add the thickness of laying of surfacing layer 18, guarantee to newly lay layer top surface and former surface course 32 top surface on same horizontal plane.

The construction method for the embankment V-shaped groove repairing structure reference in the embodiment comprises the following steps:

when the top surface of the lower surface layer 5 is excavated, V-shaped grooves are excavated by cutting, milling and the like, the bottom surface of the groove is excavated to the top surface of the base layer 2, the reinforced bottom plate 4 is implanted into the groove bottom, two thick steel bars welded with a plurality of thin and sharp steel bars are connected through steel hinges 19 to form a hinged V-shaped unit type rib frame 6, the lower surface of the hinged V-shaped unit type rib frame 6 is welded with the reinforced bottom plate 4 together and is longitudinally arranged along the road surface, and a plurality of hinged V-shaped unit type rib frames 6 are longitudinally fixed on the reinforced bottom plate 4 along the road surface to form an integral hinged V-shaped unit type rib frame. A layer of net-shaped rib pieces 11 are laid on the hinged V-shaped unit type rib frame 6, the net-shaped rib pieces 11 are fixed on the hinged V-shaped unit type rib frame 6 through connecting short nails 8, a vertical prestress middle rib 7 is arranged on the hinged V-shaped unit type rib frame 6, the vertical prestress middle rib 7 is connected with a top middle rib connecting plate 12, and the lower portion of the vertical prestress middle rib is connected with the connecting bottom plate 4.

The thin and sharp steel bars on the hinged V-shaped unit type rib frame 6 are deeply inserted into the lower surface layer 5, so that the integrity and the strength of the highway V-shaped groove reinforced repairing structure are enhanced.

After the construction of the V-shaped unit type rib frame 6 hinged in the V-shaped groove is completed, a prestress spacer block 13 is padded on a spacer on a top plate middle rib connecting plate 12, a glass fiber geogrid 28 is laid on the prestress spacer block 13, a bonding layer 14 is laid on the glass fiber geogrid 28, an anti-crack reinforcing layer 15 is laid on the bonding layer 14, a middle surface layer 16 and an upper surface layer 17 are laid on the anti-crack reinforcing layer 15, the upper surface layer 17 and an original pavement layer 32 are milled and leveled, then a layer of glass fiber geogrid 28 is arranged on the upper surface layer, and finally a surface layer 18 is additionally laid on the glass fiber geogrid 28 to complete the pavement restoration.

Claims

1. A V-shaped groove repairing structure of an embankment is characterized by comprising a roadbed (1), a base layer (2), base layer cracks (3), a connecting rib bottom plate (4), a lower surface layer (5), a hinged V-shaped unit type rib frame (6), vertical prestress middle ribs (7), net-shaped rib pieces (11), an adhesive layer (14) and an anti-crack reinforcing layer (15); the lower surface layer (5) is internally provided with a hinged V-shaped unit type rib frame (6), the hinged V-shaped unit type rib frames (6) are longitudinally arranged along the pavement, and the lower parts of the hinged V-shaped unit type rib frames (6) are connected together through a connecting rib bottom plate (4); a net-shaped rib piece (11) is bound on the hinged V-shaped unit type rib frame (6) and a vertical prestress middle rib (7) is arranged; and an adhesive layer (14) and an anti-cracking reinforcing layer (15) are laid above the hinged V-shaped unit type rib frame (6).

2. The embankment V-shaped groove repairing structure according to claim 1, wherein the hinged V-shaped unit type rib frame (6) is formed by connecting two thick steel bars through a steel hinge (19), the thick steel bars are welded with thin and pointed steel bars, the thin and pointed steel bars are inserted into the lower layer (5), and the lower portion of the hinged V-shaped unit type rib frame (6) is connected with the reinforcement bottom plate (4) and is longitudinally arranged along the road surface to form the integral hinged V-shaped unit type rib frame.

3. The V-shaped groove repairing structure for the embankment according to claim 1, wherein the net-shaped rib pieces (11) are fixed on the hinged V-shaped unit type rib frame (6) through connecting short nails (8), vertical prestress middle ribs (7) are arranged on the hinged V-shaped unit type rib frame (6), and the vertical prestress middle ribs (7) are connected with a top middle rib connecting plate (12).

4. The V-shaped groove repairing structure for the embankment according to claim 1, wherein the hinged V-shaped unit rib frame (6) is filled with water-tight filling materials (9), and the side wall bonding layer (10) is arranged on the outer side of the hinged V-shaped unit rib frame (6).

5. The V-shaped groove repairing structure for the embankment according to claim 1, wherein a prestressed spacer block (13) is arranged above a top middle rib connecting plate (12) at the top of the hinged V-shaped unit rib frame (6), a bonding layer (14) is laid above the prestressed spacer block (13), an anti-crack reinforcing layer (15) is laid above the bonding layer (14), and a middle surface layer (16), an upper surface layer (17) and a paving surface layer (18) are laid above the anti-crack reinforcing layer (15).