Roadbed anti-settlement structure

By setting up an anti-settlement structure consisting of foundation precast slabs, connecting slabs, bored piles, and drainage channels in the roadbed, the problems of soil loosening and rainwater infiltration after the waterproof layer is damaged are solved, and rainwater is effectively intercepted and discharged, thus enhancing the stability of the roadbed.

CN224031402UActive Publication Date: 2026-03-24陕西华山路桥集团有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-09
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The existing roadbed waterproofing layer becomes less effective when damaged, leading to loose soil and a lack of effective rainwater infiltration, interception, and drainage structures, resulting in settlement problems.

Method used

The roadbed anti-settlement structure is composed of precast foundation slabs, butt joint slabs, bored piles, concrete piles, heat insulation boards, and drainage channels. Rainwater is intercepted and discharged through upper and lower through holes, flange structures, and siphon phenomena.

Benefits of technology

It effectively intercepts and drains soil, prevents rainwater from affecting settlement, enhances ground stability, and ensures the long-term durability of the roadbed structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an anti-settlement structure for a roadbed, which relates to the technical field of road construction and comprises a foundation precast slab, and lower through holes are formed in the foundation precast slab in an array manner; upper through holes are formed in the butt joint plate in an array manner; the upper through hole is aligned with the lower through hole, and the diameter of the upper through hole is larger than that of the lower through hole; the top end of the perforated pile is of a flange structure, the bottom of the perforated pile is of a pointed end structure, and the middle of the perforated pile is of an outer conical transition structure; the outer shape of the concrete pile is the same as that of the perforated pile; when it rains, rainwater enters the soil through the asphalt pavement and the pavement blind joints and flows into the isolation strips through the diffusion phenomenon, the soil is intercepted by the isolation strips through the combination of the diffusion phenomenon and the siphonage phenomenon, and the water penetrates through the isolation strips to drop into the round channel and is input into the drainage channel from the two ends of the round channel. Therefore, the sedimentation caused by the influence of rainwater is avoided, and the problem that the existing roadbed is inconvenient to drain water is solved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to road construction technical field, more specifically, it is especially related to a roadbed anti -settlement structure. BACKGROUND

[0002] When the road construction needs to set up waterproof layer and heat insulation layer, in order to prevent the sudden rainstorm impact rapid cooling after the pavement overheats in summer, resulting in road structure deformation, due to the preparation process problem, and in long time use part structure loose, it will lead to rain wash away the soil layer structure of roadbed, thus need to set up waterproof layer.

[0003] Based on the above, only through waterproof layer to isolate water, the effect is limited, when the waterproof layer is damaged, it will reduce the protection effect, water drop will lead to the soil below loose and will take away part of the soil, the existing structure is not convenient for intercepting and discharging the permeated rainwater, centralized processing, lack of drainage structure and stable installation structure. UTILITY MODEL CONTENTS

[0004] In order to solve the above technical problem, the utility model provides a kind of roadbed anti -settlement structure, to solve the problem that the existing roadbed is isolated by waterproof layer in the background art, the effect is limited, when the waterproof layer is damaged, it will reduce the protection effect, water drop will lead to the soil below loose and will take away part of the soil, the existing structure is not convenient for intercepting and discharging the permeated rainwater, centralized processing, lack of drainage structure and stable installation structure.

[0005] The purpose and effect of the utility model roadbed anti -settlement structure are achieved by the following specific technical means:

[0006] A kind of roadbed anti -settlement structure, including foundation precast slab, lower through hole is opened in the foundation precast slab; Butt joint plate, upper through hole is opened in the butt joint plate;Upper through hole is aligned with lower through hole, and the diameter of upper through hole is greater than that of lower through hole;Hole pile, the top of the hole pile is flange structure, the bottom of the hole pile is sharp structure, and the middle of the hole pile is outer taper transition structure;Concrete pile, the external shape of the concrete pile is same as that of hole pile;Heat insulation plate is arranged above butt joint plate, and positioning plate is arranged above heat insulation plate;Round ditch is slidably installed at the top of positioning plate;L-shaped frame strip is fixedly arranged at the both sides of the top of round ditch;Top cover strip is arranged by turning up the edge end of round ditch;Cotton baffle is installed outside L-shaped frame strip;Drainage channel is fixedly arranged at the both sides of positioning plate, and downward turning bend pipe is connected to the outside of drainage channel.

[0007] Further, the front upper side and rear lower side of the butt joint plate are convex structures, pin holes are formed in the middle of the convex structures, and positioning holes are also formed in the positions aligned with the pin holes of the foundation precast slab.

[0008] Further, the top end of the concrete pile is matched with the upper through hole and the lower through hole, and the middle of the concrete pile is provided with a reinforcing steel bar.

[0009] Further, a concrete layer is coated between the heat insulation plate and the butt plate.

[0010] Further, the drainage channel is communicated with the through hole of the circular ditch.

[0011] Further, the partition cotton bar is in a reverse U-shaped structure, and the bottom end of the adjacent surface of the two side partition cotton bars is lower than the other end of the partition cotton bar.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The utility model can intercept soil and drain water, when it rains, rainwater can penetrate through the asphalt pavement and the pavement joint and enter the soil, and then flow into the partition cotton bar through the diffusion phenomenon, and the partition cotton bar intercepts the soil and the water drops into the circular ditch through the partition cotton bar, and then enters the drainage channel from the two ends of the circular ditch and is discharged into the sewer along the elbow pipe, so that the settlement caused by the rainwater is avoided.

[0014] The pin hole is arranged, the upper and lower foundation prefabricated plates and the butt plate can be aligned by cooperating with the connecting pin, the upper through hole and the lower through hole can be aligned, and the installation of the open hole pile is facilitated.

[0015] The open hole pile is arranged, the concrete pile is conveniently manufactured, the open hole pile is inserted into the underground through the upper through hole and the lower through hole, the open hole pile is knocked into the underground by using a knocking tool, the ground is holed, the ground is more solid, then the open hole pile is pulled out, the reinforcing steel bar is inserted into the hole, the concrete is poured into the hole, the concrete is solidified by mixing the reinforcing steel bar, the concrete pile is formed, the upper through hole and the lower through hole are fixed, the shape of the concrete pile is matched with the hole, and the stability is higher. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0017] Figure 2 It is a disassembled structure schematic view of the utility model.

[0018] Figure 3 It is a three-dimensional structure schematic view of the drainage channel of the utility model.

[0019] Figure 4 It is a sectional structure schematic view of the circular ditch of the utility model.

[0020] Figure 5 It is a three-dimensional structure schematic view of the utility model Figure 4 in the A place local amplification structure schematic view.

[0021] In the figure, the correspondence between the component names and the figure numbers is:

[0022] 1, base precast slab; 101, lower through hole; 2, butt plate; 201, upper through hole; 202, pin hole; 3, open hole pile; 4, concrete pile; 5, heat insulation plate; 6, positioning plate; 7, round ditch; 8, L-shaped frame strip; 9, top cover strip; 10, cotton separation strip; 11, drainage channel; 12, elbow. DETAILED DESCRIPTION

[0023] The embodiment of the utility model will be further described in detail below in combination with the drawings and examples.

[0024] Example 1:

[0025] As shown in the accompanying Figure 1 to the accompanying Figure 5 :

[0026] The utility model provides a kind of roadbed anti-settling structure, including base precast slab 1, lower through hole 101 is opened in base precast slab 1 array;Butt plate 2, upper through hole 201 is opened in butt plate 2 array;Upper through hole 201 is aligned with lower through hole 101, and the diameter of upper through hole 201 is greater than that of lower through hole 101;Open hole pile 3, the top of open hole pile 3 is flange structure, the bottom of open hole pile 3 is sharp structure, and the middle of open hole pile 3 is outer taper transition structure;Concrete pile 4, concrete pile 4 and open hole pile 3 are same in external shape;Heat insulation plate 5 is provided above butt plate 2, and positioning plate 6 is provided above heat insulation plate 5;Round ditch 7 is slidably installed on the top of positioning plate 6;L-shaped frame strip 8 is fixedly provided on both sides of the top of round ditch 7;Top cover strip 9 is erected by the edge end of round ditch 7 being folded upwards;Cotton separation strip 10 is installed outside L-shaped frame strip 8;Drainage channel 11 is fixedly provided on both sides of positioning plate 6, and elbow 12 that is folded downwards is connected and provided outside drainage channel 11.

[0027] Among them, the front upper side and the rear lower side of butt plate 2 are convex structure, pin hole 202 is opened in the middle of convex structure, and positioning hole is also opened in the position of base precast slab 1 aligned with pin hole 202.

[0028] Among them, the top of concrete pile 4 is consistent with upper through hole 201 and lower through hole 101, and steel bar is provided in the middle of concrete pile 4.

[0029] Among them, concrete layer is coated and connected between heat insulation plate 5 and butt plate 2.

[0030] Among them, drainage channel 11 is communicated with round ditch 7 by being opened through hole.

[0031] Among them, cotton separation strip 10 is inverted U-shaped structure, and the bottom end of adjacent surface of two-side cotton separation strip 10 is lower than the other end of cotton separation strip 10.

[0032] As Figures 1-5As shown, the bottom of the base prefabricated slab 1 is provided with corrugated surface to increase friction, and then the base prefabricated slab 1 is laid on the flat road surface;

[0033] After the multiple groups of base prefabricated slabs 1 are butted, the butt joint plate 2 is installed, the upper and lower base prefabricated slabs 1 and the butt joint plate 2 are aligned by means of the pin hole 202 cooperating with the connecting pin, and at this time, the upper through hole 201 and the lower through hole 101 are aligned;

[0034] The hole-punching pile 3 is inserted into the ground through the upper through hole 201 and the lower through hole 101, and the hole-punching pile 3 is knocked into the ground by means of a knocking tool, so that the ground is holed and the ground is made more solid;

[0035] Then a layer of concrete is coated on the top of the butt joint plate 2 to fix the heat insulation plate 5, the positioning plate 6 is installed on the top of the heat insulation plate 5 in the same way, the round ditch 7 is installed above the positioning plate 6, the drainage channel 11 is fixedly installed on the positioning plate 6, and the elbow pipe 12 is arranged at the sewer of the road surface;

[0036] Then the L-shaped frame strip 8, the cotton baffle 10 and the top cover strip 9 are installed;

[0037] The soil base surface layer is laid above the top cover strip 9, and the uppermost normal road is paved;

[0038] When it rains, the rainwater can penetrate through the asphalt road surface and the road surface hidden joint into the soil, and flow into the cotton baffle 10 through the diffusion phenomenon, and the cotton baffle 10 intercepts the soil by means of the diffusion phenomenon combined with the siphon phenomenon, and the water drops into the round ditch 7 through the cotton baffle 10, is input into the drainage channel 11 from both ends of the round ditch 7, and is discharged into the sewer along the elbow pipe 12.

[0039] Embodiment 2:

[0040] On the basis of embodiment 1, the hole-punching pile 3 mainly plays a role in hole-punching, and two to three groups of hole-punching piles 3 can be used for hole-punching, the hole-punching pile 3 is pulled out after hole-punching, a reinforcing steel bar is inserted into the hole generated by the hole-punching pile 3, and the hole is poured with concrete, so that the concrete is mixed with the reinforcing steel bar and solidified to form a concrete pile 4, and the upper through hole 201 and the lower through hole 101 are fixed.

[0041] The specific use mode and effect of the embodiment are as follows:

[0042] In the utility model, during assembly, the ground is rammed flat, and then the base prefabricated slab 1 is laid, and the bottom of the base prefabricated slab 1 is provided with corrugated surface to increase friction; after the multiple groups of base prefabricated slabs 1 are butted, the butt joint plate 2 is installed, the upper and lower base prefabricated slabs 1 and the butt joint plate 2 are aligned by means of the pin hole 202 cooperating with the connecting pin, and at this time, the upper through hole 201 and the lower through hole 101 are aligned;

[0043] The open hole pile 3 is inserted into the ground through the upper and lower through holes 201 and 101, and is hammered into the ground by a hammering tool to make a hole in the ground and make the ground more solid; then the open hole pile 3 is pulled out, and a steel bar is inserted into the hole, and concrete is poured into the hole, and the concrete is solidified with the steel bar to form a concrete pile 4, and the upper and lower through holes 201 and 101 are fixed;

[0044] Then a layer of concrete is coated on the top of the butt plate 2 to fix the heat insulation plate 5, the positioning plate 6 is installed on the top of the heat insulation plate 5 in the same way, the round ditch 7 is installed above the positioning plate 6, the drainage channel 11 is fixedly installed on the positioning plate 6, and the bend pipe 12 is arranged at the sewer of the road surface; then the L-shaped frame strip 8, the cotton separation strip 10 and the top cover strip 9 are installed;

[0045] The top cover strip 9 is paved with a soil base layer, and then the uppermost normal road is paved;

[0046] When it rains, the rainwater can penetrate the asphalt road surface and the road surface joint into the soil, and flows into the cotton separation strip 10 through the diffusion phenomenon, and the cotton separation strip 10 intercepts the soil by using the diffusion phenomenon and the siphon phenomenon, and the water drops into the round ditch 7 through the cotton separation strip 10, and is input into the drainage channel 11 from both ends of the round ditch 7, and is discharged into the sewer along the bend pipe 12.

Claims

1. A subgrade settlement prevention structure, characterized by, Include: The base prefabricated slab (1) is provided with a lower through hole (101) in the array; The butt joint plate (2) is provided with an upper through hole (201) in the array; The upper through hole (201) is aligned with the lower through hole (101), and the diameter of the upper through hole (201) is larger than that of the lower through hole (101); The opening pile (3) is provided with a flange structure at the top end, a sharp structure at the bottom, and an outer tapered transition structure in the middle; The concrete pile (4) is the same as the outer shape of the opening pile (3); The heat insulation plate (5) is arranged above the butt joint plate (2), and the positioning plate (6) is arranged above the heat insulation plate (5); The circular canal (7) is slidably installed on the top of the positioning plate (6); The L-shaped frame strip (8) is fixedly arranged on both sides of the top of the circular canal (7); The top cover strip (9) is arranged on the edge end of the circular canal (7) and is arranged upwards; The cotton separation strip (10) is installed outside the L-shaped frame strip (8); The drainage channel (11) is fixedly arranged on both sides of the positioning plate (6), and the downward bending elbow pipe (12) is connected and arranged outside the drainage channel (11).

2. The anti-settlement structure of claim 1, wherein: The front upper part and the rear lower part of the butt joint plate (2) are convex structures, and the pin hole (202) is arranged in the middle of the convex structure; The base prefabricated slab (1) is also provided with a positioning hole at the position aligned with the pin hole (202).

3. The subgrade settlement control structure of claim 2, wherein: The top end of the concrete pile (4) is consistent with the upper through hole (201) and the lower through hole (101), and the middle of the concrete pile (4) is provided with a steel bar.

4. The anti-settlement structure of claim 1, wherein: The heat insulation plate (5) is connected between the butt joint plate (2) and the concrete layer.

5. The anti-settlement structure of claim 1, wherein: The drainage channel (11) is communicated with the circular canal (7) through the through hole.

6. The anti-settlement structure of claim 1, wherein: The cotton separation strip (10) is a reverse U-shaped structure, and the bottom end of the adjacent surface of the two cotton separation strips (10) is lower than the other end of the cotton separation strip (10).