CN218643093U - Highway subgrade reinforced structure - Google Patents

Abstract

The utility model discloses a highway subgrade strengthening structure, which comprises a subgrade body, wherein the subgrade body is fixedly arranged on a ground base layer and also comprises strengthening side walls which are vertically arranged on two sides of the subgrade body; a plurality of rows of tie rods are arranged between the reinforcing side walls on the two sides along the vertical direction, two ends of any tie rod extend out of the roadbed body and are fixed in the corresponding reinforcing side walls, and a geogrid layer is fixedly arranged on each row of tie rods; a reinforcing bottom layer is horizontally arranged at the bottom of the outer side of the reinforcing side wall; a plurality of partition walls are arranged between the reinforcing side wall and the reinforcing bottom layer at intervals, and the cross sections of the partition walls are triangular; a protective net is arranged between two adjacent partition walls; and a gravel sand layer is filled in a space surrounded by the reinforcing side walls, the partition walls and the protective net. The utility model discloses a set up reinforced structure in the road bed both sides, guarantee the stability of road bed body.

Description

Highway subgrade reinforced structure

Technical Field

The utility model relates to a road bed reinforced structure field. More specifically, the utility model relates to a highway subgrade reinforced structure.

Background

The statistical data shows that the total mileage of the national highway traffic reaches 519.81 kilometers, wherein the mileage of the highway traffic reaches 16.1 kilometers; the urban coverage rate of the expressway for more than 20 ten thousand of people exceeds 98 percent. The construction of the highway brings great convenience to people going out. The roadbed construction is an important component part for highway construction and is a foundation stone for constructing high-quality highway engineering. However, in the operation process of the highway, under the influence of vehicle load, roadbed foundation and external environment, the stability of the roadbed is poor, or diseases such as settlement occur, so that great danger hidden dangers are brought to vehicles running on the highway, and therefore the roadbed needs to be reinforced. In the prior art, retaining walls are usually arranged on the outer side of a roadbed, but the retaining walls on the two sides of the roadbed are separated from each other and are not related to each other, and when the load borne on the roadbed is uneven, the side with the larger load can force the retaining wall to be damaged or displaced.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.

In order to achieve these objects and other advantages in accordance with the present invention, there is provided a highway subgrade reinforcement structure, comprising a subgrade body fixedly arranged on a ground base layer, and further comprising reinforcement side walls vertically arranged at both sides of the subgrade body; a plurality of rows of tie rods are arranged between the reinforcing side walls on the two sides along the vertical direction, two ends of any tie rod extend out of the roadbed body and are fixed in the corresponding reinforcing side walls, and a geogrid layer is fixedly arranged on each row of tie rods; a reinforcing bottom layer is horizontally arranged at the bottom of the outer side of the reinforcing side wall, and the reinforcing bottom layer is fixedly arranged on the ground base layer; a plurality of partition walls are arranged between the reinforcing side wall and the reinforcing bottom layer at intervals, and the cross sections of the partition walls are triangular; a protective net is arranged between two adjacent partition walls, and the protective net is parallel to the outer side face of each partition; and a gravel sand layer is filled in a space surrounded by the reinforcing side walls, the partition walls and the protective net.

Preferably, the reinforced side wall and the reinforced bottom layer are both of reinforced concrete structures.

Preferably, the lateral surface of partition wall has seted up the drainage groove along its length direction, the outside of consolidating the bottom is provided with the catch basin.

Preferably, the geogrid layer comprises at least one layer of geogrid, and the geogrid is bound and fixed with the corresponding tie-rods.

Preferably, a soil layer is arranged on the outer side of the protective net, and green plants are planted on the soil layer.

Preferably, connectors are embedded in two sides of the partition wall, and the connectors are used for fixing the protective net.

The utility model discloses at least, include following beneficial effect:

the utility model provides a highway subgrade reinforced structure sets up in subgrade body both sides and consolidates the side wall and consolidates the bottom to couple together through a plurality of opposite pull rods with the reinforcement side wall of both sides and form a whole and consolidate to the road base body, with jointly resist the load pressure of subgrade body transmission and the pressure that produces is subsided to its self, thereby avoid the reinforcement side wall of one side to damage or shift because of consolidating the not enough production of strength, and then reach the purpose that improves the stability of subgrade body.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural view of the roadbed reinforcing structure according to an embodiment of the present invention;

fig. 2 is a top view of the roadbed reinforcing structure according to the above embodiment of the present invention;

Detailed Description

The present invention is described in further detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description.

It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-2, the utility model provides a highway subgrade strengthening structure, which comprises a subgrade body 5, wherein the subgrade body 5 is fixedly arranged on a ground base layer 1, and the highway subgrade strengthening structure also comprises strengthening side walls 4 which are vertically arranged at two sides of the subgrade body 5; a plurality of rows of tie rods 7 are arranged between the reinforcing side walls 4 on the two sides along the vertical direction, two ends of any tie rod 7 extend out of the roadbed body 5 and are fixed in the corresponding reinforcing side walls 4, and a geogrid layer 6 is fixedly arranged on each row of tie rods 4; a reinforcing bottom layer 22 is horizontally arranged at the bottom of the outer side of the reinforcing side wall 4, and the reinforcing bottom layer 2 is fixedly arranged on the ground base layer 1; a plurality of partition walls 3 are arranged between the reinforcing side walls 4 and the reinforcing bottom layer 2 at intervals, and the cross sections of the partition walls 3 are triangular; a protective net 9 is arranged between two adjacent partition walls 3, and the protective net 9 is parallel to the outer side surface of the partition plate 3; and a gravel sand layer 8 is filled in a space formed by the enclosing of the reinforcing side wall 4, the partition wall 3 and the protective net 9.

In the technical scheme, each tie rod 7 penetrates through the roadbed body 5 and is connected with the reinforcing side walls 4 on two sides, and the reinforcing side walls 4 on two sides are connected to form a whole so as to resist load pressure transmitted by the roadbed body 5 and pressure generated by self settlement together, so that damage or displacement of the reinforcing side wall 4 on one side due to insufficient reinforcing force is avoided. Same one row 7 intervals of diagonal rod set up, then diagonal rod 7 lays geogrid layer 6, geogrid as reinforced material, can with 5 combined action of road bed body, improve the bulk strength of road bed body 5. The reinforcing side wall 4 is vertically arranged, the reinforcing bottom layer 2 is vertically arranged with the reinforcing side wall 4, a plurality of reinforcing ribs are arranged between the reinforcing side wall 4 and the reinforcing bottom layer 2 at intervals, and the partition wall 3 serves as a reinforcing rib to support the reinforcing side wall 4 and guarantee the strength of the reinforcing side wall 4. The cross section of the partition wall 3 is triangular, and two right-angle sides of the partition wall are respectively fixedly connected with the reinforcing side wall 4 and the reinforcing bottom layer 2, so that inclined sides of the partition wall are used as the outer side surfaces of the partition wall 3 to form slope surfaces on two sides of the roadbed body 5. Two adjacent be connected with the protection network 9 between the partition wall 3, the protection network 9 can be the metal mesh structure, and need corrosion-resistant. The protection net 9 is parallel to the outer side of the partition 3, and thus the protection net 9 also forms a slope on both sides of the roadbed body 5. Therefore, the reinforcing side walls 4, the partition walls 3 and the protective net 9 surround to form a space structure with a right-angled triangle cross section, and gravels and sand are filled in the space to form the gravels sand layer 8.

In another embodiment, the reinforcing side walls 4 and the reinforcing bottom layer 2 are both made of reinforced concrete. The reinforcing side wall 4 with the reinforcing bottom layer 2 can be the integrated into one piece structure, each the both ends of contrast pole 4 respectively with both sides reinforcing cage fixed connection in the reinforcing side wall 4. Preferably, the reinforcing bottom layer 2 is provided with a plurality of fixing piles, and the reinforcing side wall 4 is further ensured not to shift in the stress process through the fixing piles and the ground base layer 1. The fixing pile can be a cement mortar mixing stub pile.

In another embodiment, referring to fig. 2, the outer side of the partition wall 3 is provided with drainage grooves 31 along the length direction thereof, and the outer side of the reinforced bottom layer 2 is provided with intercepting ditches 11. The accumulated water on the road surface on the roadbed body 5 flows into the intercepting ditch 11 through the drainage groove 31 and is discharged, so that the discharge of the accumulated water on the road surface is accelerated. When fences are arranged on two sides of the road surface, overflow ports corresponding to the drainage grooves 31 can be arranged on the road surface.

In another embodiment, the geogrid layer 6 comprises at least one layer of geogrid, and the geogrid is bound and fixed with the corresponding tie rods 7.

In another embodiment, referring to fig. 1, the right side of fig. 1 is a partial sectional view, a soil layer 10 is arranged on the outer side of the protection net 9, and green plants are planted on the soil layer 10. The green plants can beautify the environment and reinforce the soil body.

In another embodiment, connectors are embedded on both sides of the partition wall 3, and the connectors are used for fixing the protection net 9. The embedded part can be embedded rod, eye bolt etc. and its effect does for protection network 9 provides the fixed point, guarantees protection network 9's stability.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims (6)

1. A highway subgrade strengthening structure comprises a subgrade body, wherein the subgrade body is fixedly arranged on a ground base layer; a plurality of rows of tie rods are arranged between the reinforcing side walls on the two sides along the vertical direction, two ends of any tie rod extend out of the roadbed body and are fixed in the corresponding reinforcing side walls, and a geogrid layer is fixedly arranged on each row of tie rods; a reinforcing bottom layer is horizontally arranged at the bottom of the outer side of the reinforcing side wall, and the reinforcing bottom layer is fixedly arranged on the ground base layer; a plurality of partition walls are arranged between the reinforcing side wall and the reinforcing bottom layer at intervals, and the cross sections of the partition walls are triangular; a protective net is arranged between two adjacent partition walls, and the protective net is parallel to the outer side faces of the partition walls; and a gravel sand layer is filled in a space surrounded by the reinforcing side wall, the partition wall and the protective net.

2. The highway subgrade reinforcement structure of claim 1, wherein the reinforcement side walls and the reinforcement bottom layer are both reinforced concrete structures.

3. The roadbed reinforcing structure of the highway claim 1, wherein the outer side surface of the partition wall is provided with drainage grooves along the length direction of the partition wall, and the outer side of the reinforcing bottom layer is provided with intercepting ditches.

4. The highway subgrade reinforcement structure of claim 1, wherein the geogrid layer comprises at least one layer of geogrid which is bound and fixed with the corresponding tie-rods.

5. The highway subgrade reinforcement structure according to claim 1, characterized in that a soil layer is provided on the outside of the protection net, and green plants are planted on the soil layer.

6. The roadbed reinforcing structure of the expressway of claim 1, wherein connectors are embedded at both sides of the partition walls, and the connectors are used for fixing the protection net.

Images