Expressway roadbed anti-settlement device

Abstract

The utility model relates to the technical field of anti-sedimentation devices, in particular to an expressway roadbed anti-sedimentation device. Comprising a supporting plate, a foundation pile is fixedly arranged at the bottom of the supporting plate, a spiral piece is fixedly wound around the foundation pile, a plurality of supporting spiral cones and a plurality of water inlet guide pipes are arranged on the foundation pile, an adsorption groove is formed in the foundation pile, a water absorption material is arranged in the adsorption groove, and the water inlet guide pipes are in through connection with the adsorption groove. The supporting plate is of a hollow structure, a plurality of supporting assemblies are evenly distributed in the supporting plate in a matrix mode, and the supporting performance of the supporting plate is enhanced through the multiple supporting assemblies. According to the anti-settlement device for the expressway roadbed, the foundation reinforcing effect is improved, and the stability and the bearing capacity of the supporting plate are enough.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of anti -settlement device, specifically point to a highway subgrade anti -settlement device. BACKGROUND

[0002] With the rapid development of China's transportation infrastructure construction, the construction and maintenance of expressway become one of the important topics. As the foundation structure of expressway, the stability and bearing capacity of subgrade are directly related to driving safety and road service life. However, in practical application, due to the influence of complex geological conditions and environmental factors, the subgrade settlement problem occurs frequently, which brings potential risk to traffic safety. The common highway subgrade anti -settlement device is composed of support plate and foundation pile, and the following shortcomings are found in use:

[0003] 1. The existing ground reinforcement method (such as pile foundation, cement mixing pile) may not completely solve the settlement problem under complex geological conditions, especially on soft soil foundation, and at the same time, the moisture content of soft soil foundation is more, so only increasing the bearing capacity of foundation cannot reinforce the foundation;

[0004] 2. The vibration caused by vehicle driving has a certain influence on the subgrade, and long -term subgrade settlement will lead to cracks or deformation of the road surface, which affects the driving safety.

[0005] Therefore, in view of the above, the existing structure is improved, and a highway subgrade anti -settlement device is provided. INVENTION CONTENTS

[0006] The technical problem to be solved by the utility model is that the ground reinforcement effect is not good, and the stability and bearing capacity of the support plate are not enough.

[0007] In order to solve the above technical problems, the technical scheme adopted by the utility model is: a highway subgrade anti -settlement device, including support plate, the support plate bottom is fixedly provided with foundation pile, the foundation pile around is fixedly wound and is provided with spiral piece, the foundation pile is provided with a plurality of support spiral cone and a plurality of water inlet pipe, the foundation pile is provided with adsorption groove, the adsorption groove is provided with water absorption material, the water inlet pipe is connected with adsorption groove, the support plate is hollow structure, and a plurality of support assemblies are evenly distributed and arranged in the support plate, and the plurality of support assemblies strengthen the supportability of the support plate.

[0008] As a further scheme of the utility model: a plurality of support spiral cone and a plurality of water inlet pipe are evenly distributed and arranged on the foundation pile, and are located between the leaves of the upper and lower adjacent two spiral pieces, and the water inlet pipe is located between the adjacent two support spiral cone.

[0009] As a further scheme of the utility model: the support spiral cone includes a support cone fixedly arranged on the foundation pile, and a support spiral is fixedly and woundly arranged on the support cone.

[0010] As a further scheme of the utility model: the water absorption material is one of lime and fly ash.

[0011] As a further scheme of the utility model: the support assembly includes a support rod fixedly arranged in the support plate, a spring is sleeved on the support rod, and the two ends of the spring are fixedly connected with the inner top and inner bottom of the support plate.

[0012] As a further scheme of the utility model: the water inlet pipe is arranged in a bent mode, and the water inlet of the water inlet pipe is arranged downward.

[0013] Compared with the prior art, the utility model has the beneficial effects of:

[0014] 1. The utility model adopts the foundation pile and the support spiral cone wound by the spiral piece, enhances the friction between the foundation pile and the soil, improves the foundation bearing capacity, especially under the soft soil foundation condition. The adsorption groove is arranged in the foundation pile, and the water absorption material (such as lime, fly ash) is filled, underground water is introduced into the adsorption groove through the water inlet pipe, the influence of water on the roadbed is reduced, and the foundation is further consolidated.

[0015] 2. The utility model adopts the hollow structure through the support plate, and the support assembly of matrix uniform distribution is built-in, each support assembly is composed of the support rod and the spring, the rigidity and elasticity of the support plate are enhanced, and the overall stability is improved. The design of the spring can absorb and buffer external pressure, and the influence of vibration on the roadbed due to vehicle driving is reduced. DRAWINGS

[0016] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0017] Figure 1 It is the overall structure schematic view of the highway roadbed anti-settlement device of the utility model.

[0018] Figure 2 It is the foundation pile structure schematic view of the highway roadbed anti-settlement device of the utility model.

[0019] Figure 3 It is the foundation pile sectional view of the highway roadbed anti-settlement device of the utility model.

[0020] Figure 4 It is the support plate sectional view of the highway roadbed anti-settlement device of the utility model.

[0021] In the drawings:

[0022] 1, support plate; 2, base pile; 3, spiral piece; 4, support spiral cone; 5, water inlet pipe; 6, support assembly; 201, adsorption groove; 202, water absorption material; 401, support cone; 402, support spiral; 601, support rod; 602, spring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-3 A highway subgrade anti-settling device, including support plate 1, support plate 1 bottom fixedly provided with base pile 2, base pile 2 around fixedly wound with spiral piece 3, to increase the friction between base pile and soil, base pile 2 is provided with a plurality of support spiral cone 4 and a plurality of water inlet pipe 5, a plurality of support spiral cone 4 and a plurality of water inlet pipe 5 are spirally and evenly distributed on base pile 2, and located between the leaves of adjacent two spiral pieces 3, water inlet pipe 5 is located between adjacent two support spiral cone 4, the design of support spiral cone 4 increases the friction between base pile and soil, improves the bearing capacity of foundation, especially suitable for soft soil foundation condition, support spiral cone 4 includes support cone 401 fixedly provided on base pile 2, support cone 401 is fixedly wound with support spiral 402, to further strengthen the supporting force of base pile.

[0025] Please refer to Figure 3 Base pile 2 is provided with adsorption groove 201, adsorption groove 201 is provided with water absorption material 202, water absorption material 202 is one of lime and fly ash, water inlet pipe 5 is connected with adsorption groove 201, underground water is introduced into adsorption groove through water inlet pipe, the influence of water on subgrade is reduced, the foundation is further consolidated, water inlet pipe 5 is curvedly arranged, and the water inlet of water inlet pipe 5 is downwardly arranged, to ensure that underground water can smoothly enter adsorption groove, reduce the influence of water on subgrade, and avoid the problem of blockage, to ensure the effectiveness of drainage system.

[0026] Please refer to Figure 4The support plate 1 is a hollow structure, and a plurality of support assemblies 6 are uniformly arranged in the support plate 1 in a matrix, and the plurality of support assemblies 6 strengthen the support property of the support plate 1, the support assembly 6 comprises a support rod 601 fixedly arranged in the support plate 1, a spring 602 is sleeved on the support rod 601, and the two ends of the spring 602 are fixedly connected with the inner top and the inner bottom of the support plate 1, so that the rigidity and elasticity of the support plate are enhanced, the overall stability is improved, the rigidity of the support plate is enhanced, and good elasticity and buffering capacity are provided, and the influence of vibration caused by vehicle driving on the roadbed is reduced.

[0027] The working principle of the utility model is as follows:

[0028] In the process of highway roadbed construction, first, the position of the foundation pile 2 is determined according to the design requirement, then the foundation pile 2 is driven into the predetermined depth, the spiral blades 3 and the supporting spiral cone 4 around the foundation pile 2 are ensured to be fully contacted and embedded in the soil, and the foundation bearing capacity is enhanced. Then the support plate 1 is welded and fixedly installed, and the support assembly 6 in the support plate 1 is ensured to work normally, finally, necessary inspection and debugging are carried out, and the entire anti-settlement device is ensured to be in the best state.

[0029] The utility model and its implementation mode are described above, and the description is not restrictive, and the shown in the drawings is only one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if the ordinary skilled person in the art is inspired, without departing from the creative purpose of the utility model, without creative design, the similar structure mode and the embodiment of the technical scheme, which belongs to the protection scope of the utility model, are not creative.

Claims

1. A highway subgrade anti-settling device, comprising a support plate (1), a foundation pile (2) is fixedly arranged at the bottom of the support plate (1), characterized in that: The spiral blade (3) is fixedly wound around the pile (2), the pile (2) is provided with a plurality of supporting spiral cones (4) and a plurality of water inlet pipes (5), the pile (2) is provided with an adsorption groove (201), the adsorption groove (201) is provided with a water absorbing material (202), the water inlet pipe (5) is connected with the adsorption groove (201), the supporting plate (1) is a hollow structure, and a plurality of supporting assemblies (6) are uniformly distributed in the supporting plate (1), and the plurality of supporting assemblies (6) strengthen the supporting property of the supporting plate (1).

2. The highway subgrade anti-settling device according to claim 1, characterized in that: The plurality of supporting spiral cones (4) and the plurality of water inlet pipes (5) are spirally and uniformly distributed on the pile (2) and located between the blade leaves of the adjacent two spiral blades (3), and the water inlet pipe (5) is located between the adjacent two supporting spiral cones (4).

3. The highway subgrade anti-settling device according to claim 1, characterized in that: The supporting spiral cone (4) comprises a supporting cone (401) fixedly arranged on the pile (2), and the supporting spiral (402) is fixedly wound on the supporting cone (401).

4. The highway embankment anti-settling device according to claim 1, characterized in that: The water absorbing material (202) is one of lime and fly ash.

5. The highway embankment anti-settling device according to claim 1, characterized in that: The supporting assembly (6) comprises a supporting rod (601) fixedly arranged in the supporting plate (1), the supporting rod (601) is sleeved with a spring (602), and the two ends of the spring (602) are fixedly connected with the inner top and the inner bottom of the supporting plate (1).

6. A highway embankment anti-settlement device according to claim 2, characterized in that: The water inlet pipe (5) is curvedly arranged, and the water inlet of the water inlet pipe (5) is downwardly arranged.

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