Roadbed widening structure of old roadbed

Abstract

The utility model relates to the technical field of roadbed widening, in particular to an old roadbed widening structure which comprises an old roadbed body, an asphalt layer is fixedly connected to the upper surface of the old roadbed body, a waterproof layer is fixedly connected to one end of the asphalt layer, and a gravel layer is fixedly connected to the outer surface of the waterproof layer. The bottom of the gravel layer is fixedly connected with a foundation layer, a drainage channel is formed in the top of the foundation layer, and a rectangular groove is formed in the outer surface of the old roadbed body. According to the widened roadbed structure of the old roadbed, the old roadbed main body, the asphalt layer, the waterproof layer, the gravel layer, the foundation layer and the drainage layer are arranged, when the widened roadbed structure is used and in rainy days, rainwater flows towards the two sides of a road along the asphalt layer and enters the drainage channel through the gravel layer, and the waterproof layer can prevent the rainwater from permeating the foundation; the waterproof and drainage effects are effectively achieved, the stability and safety of the foundation are improved, and the adaptability of the foundation under different conditions is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of roadbed widening, in particular to a roadbed widening structure for an old roadbed. Background Art

[0002] Existing highways lack waterproof and drainage functions. In actual use, the road surface is difficult to waterproof and drain, and it is easy for water to accumulate on the road surface, causing trouble and affecting the safety of the roadbed.

[0003] Furthermore, the prior art lacks the function of stabilizing the roadbed. In actual use, when expanding the roadbed, it is difficult to stabilize the roadbed, which causes trouble, so that there are certain safety hazards in the expansion of the roadbed. Utility Model Content

[0004] The utility model aims to provide a widening roadbed structure for an old roadbed, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A widening roadbed structure for an old roadbed, comprising:

[0007] An old roadbed body, wherein an asphalt layer is fixedly connected to the upper surface of the old roadbed body, a waterproof layer is fixedly connected to one end of the asphalt layer, a crushed stone layer is fixedly connected to the outer surface of the waterproof layer, a ground base is fixedly connected to the bottom of the crushed stone layer, and a drainage channel is opened on the top of the ground base;

[0008] A rectangular groove is provided on the outer surface of the old roadbed body, a fixing plate is fixedly connected to the inner wall of the rectangular groove, one end of the fixing plate is fixedly connected to the new foundation, a circular slot hole is provided on the top of the new foundation, and a fixing rod is fixedly connected to the inner wall of the circular slot hole.

[0009] Preferably, the top of the fixing rod is fixedly connected to a limiting plate, and the bottom of the fixing rod is fixedly connected to a fixing nail.

[0010] Preferably, a fixing seat is fixedly connected to the outer surface of the fixing plate, and a limiting rod is fixedly connected to the outer surface of the fixing seat.

[0011] Preferably, a reinforced concrete layer is fixedly connected to the bottom of the new foundation, and a base layer is fixedly connected to the bottom of the reinforced concrete layer.

[0012] Preferably, the bottom of the base layer is fixedly connected to the top of the foundation layer, and one end of the base layer is fixedly connected to the inner wall of the waterproof layer.

[0013] Preferably, one end of the reinforced concrete layer is fixedly connected to the inner wall of the waterproof layer, and the other end of the reinforced concrete layer is fixedly connected to the outer surface of the fixed plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The widened roadbed structure of an old roadbed is provided with an old roadbed main body, an asphalt layer, a waterproof layer, a crushed stone layer, a base layer and a drainage channel. When in use, on rainy days, rainwater will flow along the asphalt layer to both sides of the road, and enter the drainage channel through the crushed stone layer. The waterproof layer can prevent rainwater from penetrating the foundation, effectively playing the role of waterproofing and drainage, improving the stability and safety of the foundation, and ensuring the adaptability of the foundation under different conditions.

[0016] 2. This roadbed widening structure for an old roadbed, through the arrangement of an old roadbed main body, a fixed plate, a new foundation and a fixed rod, when in use, when the staff is expanding the new roadbed, the fixed plate is used to stabilize the stability between the old roadbed main body and each base layer, and the fixed rod is used to stabilize the stability between each base layer, which effectively ensures the overall stability and safety of the roadbed and reduces the potential safety hazards of the roadbed. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view of a widened roadbed structure of an old roadbed of the utility model;

[0018] Figure 2 This is a disassembled diagram of a foundation fixing device for widening a roadbed structure of an old roadbed according to the utility model;

[0019] Figure 3 This is a disassembled diagram of a foundation connection device for widening a roadbed structure of an old roadbed according to the utility model;

[0020] Figure 4 It is a schematic diagram of an old foundation device for widening the roadbed structure of an old roadbed according to the utility model;

[0021] Figure 5 The utility model is a schematic diagram of a foundation connection device for widening a roadbed structure of an old roadbed.

[0022] In the figure: 1. The main body of the old roadbed; 2. Asphalt layer; 3. Waterproof layer; 4. Gravel layer; 5. Base layer; 6. Drainage channel; 7. Fixed plate; 8. New foundation; 9. Fixed rod; 10. Limiting plate; 11. Fixed nails; 12. Fixed seat; 13. Limiting rod; 14. Reinforced concrete layer; 15. Base layer. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 5 As shown, the utility model provides a technical solution: a widening roadbed structure of an old roadbed, comprising

[0025] An old roadbed body 1, an asphalt layer 2 is fixedly connected to the upper surface of the old roadbed body 1, a waterproof layer 3 is fixedly connected to one end of the asphalt layer 2, a crushed stone layer 4 is fixedly connected to the outer surface of the waterproof layer 3, a base layer 5 is fixedly connected to the bottom of the crushed stone layer 4, and a drainage channel 6 is opened on the top of the base layer 5;

[0026] A rectangular groove is provided on the outer surface of the old roadbed body 1, and a fixing plate 7 is fixedly connected to the inner wall of the rectangular groove, and one end of the fixing plate 7 is fixedly connected to the new foundation 8. A circular slot hole is provided on the top of the new foundation 8, and a fixing rod 9 is fixedly connected to the inner wall of the circular slot hole; through the arrangement of the old roadbed body 1, the asphalt layer 2, the waterproof layer 3, the crushed stone layer 4, the base layer 5 and the drainage ditch 6, when in use, on rainy days, rainwater will flow along the asphalt layer 2 to both sides of the road, and enter the drainage ditch 6 through the crushed stone layer 4, and the waterproof layer 3 can prevent rainwater from penetrating the foundation, effectively playing a role in waterproofing and drainage, improving the stability and safety of the foundation, and ensuring the adaptability of the foundation under different conditions, through the arrangement of the old roadbed body 1, the fixing plate 7, the new foundation 8 and the fixing rod 9, when in use, when the staff expands the new roadbed, the fixing plate 7 is used to stabilize the stability between the old roadbed body 1 and each base layer, and the fixing rod 9 is used to stabilize the stability between each base layer, which effectively ensures the stability and safety of the roadbed as a whole, and reduces the potential safety hazards of the roadbed.

[0027] In this embodiment, preferably, the top of the fixing rod 9 is fixedly connected to a limiting plate 10, and the bottom of the fixing rod 9 is fixedly connected to a fixing nail 11; through the arrangement of the fixing rod 9, the limiting plate 10 and the fixing nail 11, when in use, the fixing nail 11 at the bottom of the fixing rod 9 is convenient for installing the fixing rod 9, and the limiting plate 10 can ensure that the fixing rod 9 is stable and does not move, thereby improving the stability and safety of the device and reducing the potential safety hazards existing in the foundation.

[0028] In this embodiment, preferably, the outer surface of the fixed plate 7 is fixedly connected to the fixed seat 12, and the outer surface of the fixed seat 12 is fixedly connected to the limiting rod 13; through the arrangement of the fixed plate 7, the fixed seat 12 and the limiting rod 13, when in use, the limiting rod 13 arranged on the fixed seat 12 arranged on the fixed plate 7 can effectively prevent the fixed plate 7 from being displaced, stabilize the stability of the foundation, and reduce the safety hazards existing in the foundation.

[0029] In this embodiment, preferably, the bottom of the new foundation 8 is fixedly connected with a reinforced concrete layer 14, and the bottom of the reinforced concrete layer 14 is fixedly connected with a base layer 15; through the arrangement of the new foundation 8, the reinforced concrete layer 14 and the base layer 15, when in use, the bottom of the new foundation 8 is provided with a reinforced concrete layer 14, and the bottom of the reinforced concrete layer is provided with a base layer 15.

[0030] In the present embodiment, preferably, the bottom of the base layer 15 is fixedly connected to the top of the subgrade layer 5, and one end of the base layer 15 is fixedly connected to the inner wall of the waterproof layer 3; through the arrangement of the base layer 15, the subgrade layer 5 and the waterproof layer 3, when in use, the base layer 15 is provided with the waterproof layer 3 on one side and the subgrade layer 5 on the bottom, which improves the connectivity and tightness between the foundations, effectively ensures the waterproof effect in the foundation, and improves the stability and waterproofness of the foundation.

[0031] In this embodiment, preferably, one end of the reinforced concrete layer 14 is fixedly connected to the inner wall of the waterproof layer 3, and the other end of the reinforced concrete layer 14 is fixedly connected to the outer surface of the fixed plate 7; through the arrangement of the reinforced concrete layer 14, the waterproof layer 3 and the fixed plate 7, when in use, the waterproof layer 3 is arranged on one side of the reinforced concrete layer 14, and the fixed plate 7 is arranged on the other side, which improves the stability and safety of the reinforced concrete layer 14 and ensures the overall stability of the foundation.

[0032] When the widening roadbed structure of an old roadbed of the present embodiment is in use, when the staff expands the new roadbed, the fixing plate 7 is used to stabilize the stability between the old roadbed main body 1 and each base layer, and the fixing rod 9 is used to stabilize the stability between each base layer, which effectively ensures the stability and safety of the roadbed as a whole and reduces the potential safety hazards existing in the roadbed. When it rains, rainwater will flow along the asphalt layer 2 to both sides of the road and enter the drainage ditch 6 through the gravel layer 4. The waterproof layer 3 can prevent rainwater from penetrating the foundation, effectively playing a role in waterproofing and drainage, improving the stability and safety of the foundation and ensuring the adaptability of the foundation under different conditions. The fixing nail 11 at the bottom of the fixing rod 9 is convenient for installing the fixing rod 9, and the limiting plate 10 can ensure that the fixing rod 9 is stable and does not move, thereby improving the stability and safety of the device and reducing the potential safety hazards existing in the foundation. The limiting rod 13 is provided on the fixing seat 12 provided on the fixing plate 7 to effectively prevent the fixing plate 7 from moving.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A widening roadbed structure for an old roadbed, characterized in that: include An old roadbed body (1), wherein an asphalt layer (2) is fixedly connected to the upper surface of the old roadbed body (1), a waterproof layer (3) is fixedly connected to one end of the asphalt layer (2), a crushed stone layer (4) is fixedly connected to the outer surface of the waterproof layer (3), a base layer (5) is fixedly connected to the bottom of the crushed stone layer (4), and a drainage channel (6) is provided on the top of the base layer (5); The outer surface of the old roadbed body (1) is provided with a rectangular groove, the inner wall of the rectangular groove is fixedly connected to a fixing plate (7), one end of the fixing plate (7) is fixedly connected to a new foundation (8), the top of the new foundation (8) is provided with a circular slot hole, and the inner wall of the circular slot hole is fixedly connected to a fixing rod (9).

2. The widening roadbed structure of an old roadbed according to claim 1, characterized in that: The top of the fixing rod (9) is fixedly connected to a limiting plate (10), and the bottom of the fixing rod (9) is fixedly connected to a fixing nail (11).

3. The widening roadbed structure of an old roadbed according to claim 1, characterized in that: The outer surface of the fixing plate (7) is fixedly connected to a fixing seat (12), and the outer surface of the fixing seat (12) is fixedly connected to a limiting rod (13).

4. The widening roadbed structure of an old roadbed according to claim 1, characterized in that: A reinforced concrete layer (14) is fixedly connected to the bottom of the new foundation (8), and a base layer (15) is fixedly connected to the bottom of the reinforced concrete layer (14).

5. The widening roadbed structure of an old roadbed according to claim 4, characterized in that: The bottom of the base layer (15) is fixedly connected to the top of the base layer (5), and one end of the base layer (15) is fixedly connected to the inner wall of the waterproof layer (3).

6. The widening roadbed structure of an old roadbed according to claim 4, characterized in that: One end of the reinforced concrete layer (14) is fixedly connected to the inner wall of the waterproof layer (3), and the other end of the reinforced concrete layer (14) is fixedly connected to the outer surface of the fixing plate (7).

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