CN214882672U

CN214882672U - Highway subgrade reinforced structure

Info

Publication number: CN214882672U
Application number: CN202121353405.5U
Authority: CN
Inventors: 张国强; 杨思辉
Original assignee: Guangdong Senjing Construction Co ltd
Current assignee: Guangdong Senjing Construction Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-11-26
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a highway subgrade strengthening structure, which comprises a foundation course, wherein the left side and the right side of the upper surface of the foundation course are provided with strengthening seats, the reinforcing seats on the two sides are fixedly connected through reinforcing steel bars, a gravel layer is arranged between the two reinforcing seats and positioned on the upper surface of the foundation layer, the upper surface of the gravel layer is provided with a concrete layer, the upper surface of the concrete layer is provided with an asphalt gravel layer, the upper surface of the asphalt gravel layer is provided with an asphalt layer, the ground base layer, the gravel layer and the concrete layer are connected through a plurality of fiber nets which are uniformly arranged, the two reinforcing seats are arranged to realize the blocking and reinforcing of the two sides of the roadbed, and simultaneously, the reinforcing seats are tensioned by the arranged reinforcing steel bars to further realize the reinforcing, and the fiber web through setting up is further to the enhancement of road bed to the connection between ground basic unit, rubble layer and the concrete layer, guarantees that the road bed has better steadiness.

Description

Highway subgrade reinforced structure

Technical Field

The utility model relates to a highway subgrade technical field specifically is a highway subgrade reinforced structure.

Background

The roadbed is a foundation of a track or a road surface and is an earth structure formed by excavation or filling. The roadbed mainly has the functions of providing necessary conditions for track or road surface laying and train or traveling operation, bearing static load and dynamic load of track and locomotive vehicle or road surface and traffic load, and transmitting and diffusing the load to the deep part of the foundation. On the longitudinal section, the roadbed must ensure the required elevation of the line; on the plane, the roadbed, the bridge and the tunnel are connected to form a complete through line. In civil engineering, the subgrade occupies an important position in the aspects of construction quantity, floor area and investment.

The applicant finds that the existing roadbed structure is poor in stability and easy to crack.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a highway subgrade reinforced structure aims at improving the poor problem that appears the condition of fracture easily of current roadbed structure steadiness.

The utility model discloses a realize like this:

the utility model provides a highway subgrade reinforced structure, includes the foundation bed, the upper surface left and right sides of foundation bed all is provided with the reinforcement seat, and through reinforcing bar fixed connection between the reinforcement seat of both sides, the upper surface that lies in the foundation bed between two reinforcement seats is provided with the metalling, and the upper surface on metalling is provided with concrete layer, concrete layer's upper surface is provided with the pitch metalling, and the upper surface on pitch metalling is provided with the pitch layer, connects through a plurality of align to grid's fibre web between foundation bed, metalling and the concrete layer.

Further, the upper surface of foundation bed is provided with the waterproof layer, and the upper surface of foundation bed is provided with the groove of laying reinforcing seat.

Furthermore, one side of each reinforcing seat on two sides opposite to each other is provided with a drainage mechanism, and one side of each reinforcing seat on two sides opposite to each other is provided with a soil filling layer.

Further, the drainage mechanism comprises a sewer, a sewer pipe is arranged on the upper side of the sewer, a water collecting box is arranged at the upper end of the sewer pipe, and a grid plate is arranged at the upper end opening of the water collecting box.

Further, add the stationary ladle and draw together the bottom plate, the upper surface one end of bottom plate is provided with the baffle, and be provided with on the baffle with reinforcing bar complex through-hole, the fixed reinforcing plate that is provided with between baffle and the bottom plate, and be provided with on the reinforcing plate with sewer complex constant head tank.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in realize consolidating the stopping of road bed both sides through two reinforcing seats that set up, the reinforcing bar through setting up is consolidated the taut further realization of reinforcing seat simultaneously to the further enhancement to the road bed of being connected between ground basic unit, metalling and the concrete layer through the fibre web that sets up, guarantee that the road bed has better steadiness.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a sectional view of a roadbed reinforcement structure of the present invention;

fig. 2 is a schematic view of a foundation layer of a highway subgrade reinforcement structure according to the present invention;

fig. 3 is a schematic view of a reinforcing seat of a highway subgrade reinforcing structure according to the present invention;

fig. 4 is a schematic view of a drainage mechanism of a highway subgrade strengthening structure shown in the utility model.

In the figure: 1. filling a soil layer; 2. an asphalt layer; 3. a crushed asphalt layer; 4. a concrete layer; 5. a fiber web; 6. a drainage mechanism; 61. a grid plate; 62. a sewer pipe; 63. a sewer; 64. a water collection box; 7. a reinforcing seat; 71. a baffle plate; 72. a through hole; 73. positioning a groove; 74. a reinforcing plate; 75. a base plate; 76. fixing nails; 8. a ground layer; 81. laying a groove; 82. a waterproof layer; 9. a crushed stone layer; 10. and (5) reinforcing steel bars.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Example 1, referring to fig. 1 and 2 in detail, a highway subgrade reinforcement structure comprises a foundation layer 8, reinforcing seats 7 are respectively arranged on the left and right sides of the upper surface of the foundation layer 8, the reinforcing seats 7 on the two sides are fixedly connected through reinforcing steel bars 10, a waterproof layer 52 is arranged on the upper surface of the foundation layer 8, laying grooves 81 for laying the reinforcing seats 7 are arranged on the upper surface of the foundation layer 8, positioning and laying of the reinforcing seats 7 are realized through the arranged laying grooves 81, a gravel layer 9 is arranged between the two reinforcing seats 7 and on the upper surface of the foundation layer 8, a concrete layer 4 is arranged on the upper surface of the gravel layer 9, an asphalt gravel layer 3 is arranged on the upper surface of the concrete layer 4, an asphalt layer 2 is arranged on the upper surface of the asphalt gravel layer 3, and the foundation layer 8, the gravel layer 9 and the concrete layer 4 are connected through a plurality of fiber nets 5 which are uniformly arranged, the two reinforcing seats 7 that set up realize the reinforcement of blocking of roadbed both sides, and reinforcing seat 7 is taut further realization through reinforcing bar 10 that sets up simultaneously and is consolidated to the further enhancement to the roadbed of being connected between 7 through the fibre web 5 that sets up to ground base 8, metalling 9 and concrete layer 4, guarantee that the roadbed has better steadiness.

Specifically, referring to fig. 1 and 4, the drainage mechanism 6 is disposed on the opposite sides of the two reinforcing seats 7, the drainage mechanism 6 includes a sewer 63, a sewer pipe 62 is disposed on the upper side of the sewer 63, a water collecting box 64 is disposed at the upper end of the sewer pipe 62, a grid plate 61 is disposed at the upper end of the water collecting box 64, rainwater is collected by the water collecting box 64 and discharged into the sewer 63 through the sewer pipe 62 to be discharged, the soil filling layer 1 is disposed on the opposite sides of the two reinforcing seats 7, drainage of a road surface is achieved through the arranged drainage mechanism 6, and the drainage mechanism 6 and the reinforcing seats 7 are filled with the soil filling layer 1.

Specifically, referring to fig. 3, the reinforcing seat 7 includes a bottom plate 75, a baffle 71 is disposed at one end of an upper surface of the bottom plate 75, a through hole 72 matched with the steel bar 10 is disposed on the baffle 71, a reinforcing plate 74 is fixedly disposed between the baffle 71 and the bottom plate 75, a positioning groove 73 matched with the sewer 63 is disposed on the reinforcing plate 74, the bottom plate 75 is fixed on the foundation layer 8 through a fixing nail 76, the steel bar 10 passes through the through hole 72 and is fixed through a nut, and the reinforcing seat 7 is fixed through the fixing nail 76.

The working principle is that when the road base is paved, the ground base layer 8 is compacted, then a paving groove 81 is excavated, a waterproof layer 82 is paved on the surface of the ground base layer, the reinforcing bases 7 are paved and fixed through fixing nails 76, the sewer pipe 63 is clamped in the positioning groove 73 to be paved, then the sewer pipe 62 and the water collecting box 64 are installed, then the filling layer 1 is buried, then the gravel layer 9 is paved, the reinforcing steel bars 10 are fastened and fixed through nuts on the two reinforcing bases 7, and then the concrete layer 4, the asphalt gravel layer 3 and the asphalt layer 2 are paved to complete the construction of the road.

The device obtained by the design can basically meet the requirement that the existing roadbed structure has good stability and is not easy to crack, but the designer further improves the device with the aim of further improving the function.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a highway subgrade reinforced structure which characterized in that: including ground base layer (8), the upper surface left and right sides of ground base layer (8) all is provided with reinforcement seat (7), and through reinforcing bar (10) fixed connection, two between reinforcement seat (7) of both sides reinforcement seat (7) the upper surface that lies in ground base layer (8) between be provided with metalling (9), and the upper surface of metalling (9) is provided with concrete layer (4), the upper surface of concrete layer (4) is provided with pitch metalling (3), and the upper surface of pitch metalling (3) is provided with pitch layer (2), connect through a plurality of align to grid's fibre web (5) between ground base layer (8), metalling (9) and the concrete layer (4).

2. A roadbed reinforcement structure according to claim 1, characterized in that the upper surface of the foundation layer (8) is provided with a waterproof layer (52) and the upper surface of the foundation layer (8) is provided with a laying groove (81) for laying the reinforcement base (7).

3. A roadbed reinforcement structure according to claim 1, characterized in that the opposite sides of the two side reinforcing seats (7) are provided with drainage means (6) and the opposite sides of the two side reinforcing seats (7) are provided with a soil filling layer (1).

4. A roadbed reinforcement structure according to claim 3, wherein the drainage mechanism (6) comprises a sewer pipe (63), a sewer pipe (62) is arranged on the upper side of the sewer pipe (63), a water collecting box (64) is arranged at the upper end of the sewer pipe (62), and a grid plate (61) is arranged at the upper port of the water collecting box (64).

5. A highway subgrade reinforcement structure according to claim 3, characterized in that said reinforcement base (7) comprises a bottom plate (75), one end of the upper surface of said bottom plate (75) is provided with a baffle (71), and the baffle (71) is provided with a through hole (72) matched with the steel bar (10), a reinforcing plate (74) is fixedly arranged between the baffle (71) and the bottom plate (75), and the reinforcing plate (74) is provided with a positioning groove (73) matched with the sewer (63), and said bottom plate (75) is fixed on the foundation layer (8) by a fixing nail (76).