CN216193714U

CN216193714U - Roadbed structure for preventing differential settlement at junction of new roadbed and old roadbed

Info

Publication number: CN216193714U
Application number: CN202122706741.XU
Authority: CN
Inventors: 刘建生; 刘胜新; 彭建胜; 熊小勇
Original assignee: Jiangxi Ganyue Expressway Engineering Co ltd
Current assignee: Jiangxi Ganyue Expressway Engineering Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-05
Anticipated expiration: 2031-11-05

Abstract

The utility model relates to a roadbed structure for preventing differential settlement at the junction of a new roadbed and an old roadbed, which comprises the new roadbed and the old roadbed, wherein the new roadbed is arranged at the left side of the old roadbed, a transition member is embedded in the middle of the top sides of the new roadbed and the old roadbed, so that the position of the junction is more conveniently tamped, the new roadbed and the old roadbed can be more tightly connected, the occurrence of the condition of excessive settlement difference is effectively reduced, the stability of the connection between the roadbeds can be increased, meanwhile, the position of the connection position can be reinforced, the condition that the transition member is damaged due to road surface vibration and extrusion is avoided, a first reinforcing plate at one side of a first fixed block and a second reinforcing plate at one side of a second fixed block are mutually staggered and overlapped, reinforcing bricks are filled between the first reinforcing plate and the second reinforcing plate, the settlement amount at the junction of the roadbeds can be effectively prevented, and the junction is simpler, the situation that the junction is easy to collapse due to long-time use is avoided.

Description

Roadbed structure for preventing differential settlement at junction of new roadbed and old roadbed

Technical Field

The utility model relates to a roadbed structure for preventing differential settlement at the junction of a new roadbed and an old roadbed, belonging to the technical field of road construction engineering.

Background

In recent years, the highway construction in China is rapidly developed, along with the saturation of the highway construction in plain areas, the key point of the high-grade highway construction in China is gradually shifted to mountainous areas such as the middle and the west, the junction of a new roadbed and an old roadbed is difficult to treat during road repair construction, the situation that the settlement quantity is large easily occurs because the road surface is new or old is not needed, and therefore a roadbed structure for preventing differential settlement at the junction of the new roadbed and the old roadbed is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem, overcomes the existing defects, provides a roadbed structure for preventing differential settlement at the junction of a new roadbed and an old roadbed, and can effectively solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme:

new road bed and old road bed juncture prevent roadbed structure of difference settlement, including new road bed, old road bed, new road bed sets up in old road bed left side, new road bed and old road bed top side middle part are inlayed and are equipped with excessive component, new road bed all is equipped with the soil matrix with the old road bed outside.

As a further description of the above solution, the old roadbed includes a first lime soil and a first cement gravel layer, the first cement gravel layer is laid on the top side of the first lime soil, and a first asphalt concrete is laid on the top side of the first cement gravel layer.

As a further description of the above scheme, the new roadbed includes second lime soil and a second cement gravel layer, the second cement gravel layer is laid on the top side of the second lime soil, second asphalt concrete is laid on the top side of the second cement gravel layer, a first notch is dug in the left side of the top of the first lime soil, and a second notch is dug in the left side of the top of the first cement gravel layer.

As a further description of the above scheme, the second limestone soil is laid on the top side of the first notch, the second cement gravel layer is laid on the top side of the second notch, a third notch is formed between the first cement gravel layer and the first asphalt concrete, and between the second cement gravel layer and the second asphalt concrete, and the third notch is fixedly connected with the transition member.

As a further description of the above scheme, the transition member includes a concrete prefabricated member and anti-settling reinforcing blocks, the concrete prefabricated member is symmetrically arranged on two sides of the anti-settling reinforcing blocks, reinforcing steel bars are arranged in the wall cavities of the concrete prefabricated member in a penetrating manner, and the reinforcing steel bars respectively extend into the wall cavities of the first cement gravel layer and the second cement gravel layer.

As a further description of the above scheme, prevent subsiding reinforcing block includes first fixed block, second fixed block, first fixed block is located second fixed block left side, the first reinforcing plate of first fixed block right side fixedly connected with, second fixed block left side symmetric connection has the second reinforcing plate, the crisscross overlap joint setting each other of first reinforcing plate and second reinforcing plate, just it has the reinforcing brick to fill between first reinforcing plate and the second reinforcing plate.

The utility model has the beneficial effects that:

1. by arranging the first notch and the second notch, the second lime soil covers the first notch on the first lime soil, and the second cement gravel layer covers the second notch on the first cement gravel layer, so that the position of the junction is more conveniently tamped, the new roadbed and the old roadbed can be more tightly connected, and the condition of overlarge settlement difference is effectively reduced;

2. by arranging the concrete prefabricated parts and the reinforcing steel bars, the stability of connection between the roadbeds can be improved, and meanwhile, the positions of the connection positions can be reinforced, so that the condition that excessive components are damaged due to vibration and extrusion of the road surface is avoided;

3. through setting up first reinforcing plate, second reinforcing plate and reinforcing brick, the first reinforcing plate of first fixed block one side and the crisscross overlap joint of second reinforcing plate of second fixed block one side each other to fill between first reinforcing plate and second reinforcing plate and set up reinforcing brick, can effectually prevent roadbed handing-over department settlement volume, make juncture simpler and easier, avoid long-time use to lead to the condition that the juncture sinks easily to take place.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

Fig. 1 is a schematic view of the appearance structure of the roadbed structure for preventing differential settlement at the junction of the new roadbed and the old roadbed.

Fig. 2 is a schematic sectional view of the new roadbed and the old roadbed of the roadbed structure for preventing differential settlement at the junction of the new roadbed and the old roadbed.

Fig. 3 is a schematic view of the appearance structure of the transition member of the roadbed structure for preventing differential settlement at the interface of the new roadbed and the old roadbed.

Fig. 4 is a sectional structure diagram of a settlement preventing reinforcing block of the roadbed structure for preventing differential settlement at the junction of the new roadbed and the old roadbed.

Reference numbers in the figures: 1. a new roadbed; 2. old roadbed; 3. a transition member; 4. soil foundation; 5. a first lime soil; 6. a first cement gravel layer; 7. a first asphalt concrete; 8. a second lime soil; 9. a second cement gravel layer; 10. a second asphalt concrete; 11. a first notch; 12. a second notch; 13. a third notch; 14. a concrete prefabricated member; 15. anti-settling reinforcing blocks; 16. reinforcing steel bars; 17. a first fixed block; 18. a second fixed block; 19. a first reinforcing plate; 20. a second reinforcing plate; 21. and (5) reinforcing the brick.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Referring to fig. 1-4, the present invention provides a technical solution: new road bed and old road bed juncture prevent roadbed structure that difference subsides, including new road bed 1, old road bed 2, new road bed 1 sets up in old road bed 2 left sides, new road bed 1 and the middle part of old road bed 2 top sides are inlayed and are equipped with excessive component 3, new road bed 1 all is equipped with soil matrix 4 with the 2 outsides of old road bed.

Specifically, as shown in fig. 2, the old roadbed 2 includes a first lime soil 5 and a first cement gravel layer 6, the first cement gravel layer 6 is laid on the top side of the first lime soil 5, and a first asphalt concrete 7 is laid on the top side of the first cement gravel layer 6.

Specifically, as shown in fig. 3, the new roadbed 1 includes a second lime soil 8 and a second cement gravel layer 9, the second cement gravel layer 9 is laid on the top side of the second lime soil 8, a second asphalt concrete 10 is laid on the top side of the second cement gravel layer 9, a first notch 11 is dug on the left side of the top of the first lime soil 5, a second notch 12 is dug on the left side of the top of the first cement gravel layer 6, the second lime soil 8 is laid on the top side of the first notch 11, the second cement gravel layer 9 is laid on the top side of the second notch 12, by arranging the first notch 11 and the second notch 12, the first notch 11 is opened on the first lime soil 5, the second notch 12 is opened on the first cement gravel layer 6, during the construction of laying the new roadbed 1, the second lime soil 8 is covered in the first notch 11 on the first lime soil 5, the second cement gravel layer 9 is covered in the second notch 12 on the first cement gravel layer 6, it is convenient more to tamp the operation to the position of juncture, can link up more compacter between new road bed 1 and the old road bed 2, and the too big condition of difference takes place for effectual reduction settlement, third breach 13 has been seted up between first cement gravel layer 6, first asphalt concrete 7 and second cement gravel layer 9, the second asphalt concrete 10, third breach 13 and excessive 3 fixed connection of component.

Specifically, as shown in fig. 3, excessive member 3 includes concrete prefabricated member 14, prevents subsiding reinforcing block 15, concrete prefabricated member 14 symmetry sets up in preventing subsiding reinforcing block 15 both sides, all link up in the 14 wall chambeies of concrete prefabricated member and be equipped with reinforcing bar 16, reinforcing bar 16 stretches into first cement gravel layer 6, second cement gravel layer 9 wall chambeies respectively, through setting up concrete prefabricated member 14 and reinforcing bar 16, concrete prefabricated member 14 inlays to be established and is fixed in the 13 inner chambers of third breach, and inside reinforcing bar 16 of both sides inserted new road bed 1 and old road bed 2 respectively, can increase the stability of linking between the road bed, can consolidate the position of linking department simultaneously, avoids causing excessive member 3 to take place the condition of damaging because of road surface vibrations, extrusion.

Specifically, as shown in fig. 4, the anti-settling reinforcing block 15 includes a first fixing block 17 and a second fixing block 18, the first fixing block 17 is located on the left side of the second fixing block 18, a first reinforcing plate 19 is fixedly connected to the right side of the first fixing block 17, a second reinforcing plate 20 is symmetrically connected to the left side of the second fixing block 18, the first reinforcing plate 19 and the second reinforcing plate 20 are in staggered overlapping arrangement, reinforcing bricks 21 are filled between the first reinforcing plate 19 and the second reinforcing plate 20, the first fixing block 17 and the second fixing block 18 are respectively and fixedly connected with the concrete prefabricated member 14 by arranging the first reinforcing plate 19, the second reinforcing plate 20 and the reinforcing bricks 21, the first reinforcing plate 19 on one side of the first fixing block 17 and the second reinforcing plate 20 on one side of the second fixing block 18 are in staggered overlapping arrangement, and reinforcing bricks 21 are filled between the first reinforcing plate 19 and the second reinforcing plate 20, the settlement amount of the junction of the roadbed can be effectively prevented, the junction is simpler and easier, and the condition that the junction is easy to collapse due to long-time use is avoided.

When the novel roadbed is used, a first gap 11 is formed in a first lime soil 5, a second gap 12 is formed in a first cement gravel layer 6, in the process of laying a new roadbed 1, a second lime soil 8 covers the first gap 11 in the first lime soil 5, a second cement gravel layer 9 covers the second gap 12 in the first cement gravel layer 6, a concrete prefabricated member 14 is embedded and fixed in an inner cavity of a third gap 13, reinforcing steel bars 16 on two sides are respectively inserted into the new roadbed 1 and an old roadbed 2, a first fixing block 17 and a second fixing block 18 are respectively and fixedly connected with the concrete prefabricated member 14, a first reinforcing plate 19 on one side of the first fixing block 17 and a second reinforcing plate 20 on one side of the second fixing block 18 are mutually overlapped in a staggered mode, and reinforcing bricks 21 are filled between the first reinforcing plate 19 and the second reinforcing plate 20.

The above embodiments are preferred embodiments of the present invention, and those skilled in the art can make variations and modifications to the above embodiments, therefore, the present invention is not limited to the above embodiments, and any obvious improvements, substitutions or modifications made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. New road bed prevents roadbed structure that difference subsides with old road bed juncture, including new road bed (1), old road bed (2), its characterized in that, new road bed (1) sets up in old road bed (2) left side, new road bed (1) and old road bed (2) top side middle part are inlayed and are equipped with excessive component (3), new road bed (1) all is equipped with soil matrix (4) with old road bed (2) outside.

2. The roadbed structure for preventing differential settlement at the junction of the new roadbed and the old roadbed according to claim 1, wherein the roadbed structure comprises: old road bed (2) are including first lime soil (5), first cement gravel layer (6), first lime soil (5) top side is laid in first cement gravel layer (6), first asphalt concrete (7) have been laid to first cement gravel layer (6) top side.

3. The roadbed structure for preventing differential settlement at the junction of the new roadbed and the old roadbed according to claim 2, wherein the roadbed structure comprises: new road bed (1) includes second lime soil (8), second cement gravel layer (9), second lime soil (8) top side is laid in second cement gravel layer (9), second asphalt concrete (10) have been laid to second cement gravel layer (9) top side, dig in first lime soil (5) top left side and be equipped with first breach (11), dig in first cement gravel layer (6) top left side and be equipped with second breach (12).

4. The roadbed structure for preventing differential settlement at the junction of the new roadbed and the old roadbed according to claim 3, wherein the roadbed structure comprises: second lime soil (8) are laid on first breach (11) top side, second cement gravel layer (9) are laid on second breach (12) top side, third breach (13) have been seted up between first cement gravel layer (6), first asphalt concrete (7) and second cement gravel layer (9), second asphalt concrete (10), third breach (13) and excessive member (3) fixed connection.

5. The roadbed structure for preventing differential settlement at the junction of the new roadbed and the old roadbed according to claim 4, wherein the roadbed structure comprises: excessive member (3) include concrete prefabricated member (14), prevent subsiding reinforcing block (15), concrete prefabricated member (14) symmetry sets up in preventing subsiding reinforcing block (15) both sides, all link up in concrete prefabricated member (14) wall chamber and be equipped with reinforcing bar (16), reinforcing bar (16) stretch into in first cement gravel layer (6), second cement gravel layer (9) wall chamber respectively.

6. The roadbed structure for preventing differential settlement at the junction of the new roadbed and the old roadbed according to claim 5, wherein the roadbed structure comprises: prevent subsiding reinforcement piece (15) and include first fixed block (17), second fixed block (18), first fixed block (17) are located second fixed block (18) left side, first fixed block (17) right side fixedly connected with first reinforcing plate (19), second fixed block (18) left side symmetric connection has second reinforcing plate (20), first reinforcing plate (19) and second reinforcing plate (20) crisscross overlap joint setting each other, just it has reinforcing brick (21) to fill between first reinforcing plate (19) and second reinforcing plate (20).