CN219364202U

CN219364202U - Clay embankment with additional roadbed bottom granule water-proof layer and side drain pipe

Info

Publication number: CN219364202U
Application number: CN202320411963.5U
Authority: CN
Inventors: 矫震; 付航; 纪伦; 尹飞; 于沛然; 赵振国
Original assignee: HEILONGJIANG HIGHWAY SURVEY AND DESIGN INSTITUTE
Current assignee: HEILONGJIANG HIGHWAY SURVEY AND DESIGN INSTITUTE
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-07-18
Anticipated expiration: 2033-03-07

Abstract

The utility model provides a clay embankment additionally provided with a roadbed bottom granule water-resisting layer and an edge drain pipe, which belongs to the technical field of embankment construction and comprises the following components: the roadbed is filled, a filling roadbed is fixedly connected above the filling roadbed, a first drainage pipeline is arranged in the filling roadbed, a first permeable pipe is communicated with the first drainage pipeline, the first permeable pipe penetrates through the filling roadbed, and the end part of a water outlet is positioned outside the filling roadbed. The granular material water-resisting layer is additionally arranged in the road bed, has the functions of water resisting, water storage, water draining and freezing resistance, is suitable for a heavy freezing area, a heavy traffic high speed and a first-class road, and meanwhile, the granular material water-resisting layer is matched with the road surface cushion layer at the upper part, so that the middle road bed can keep a good water temperature condition, the stability and the strength reliability of roadbed water are ensured, and the service life of the road is prolonged; and the free water converged by the whole layer of materials is timely discharged out of the roadbed through the transverse drain pipe additionally arranged at the edge part, so that the drainage capacity of the embankment is improved, and the drainage effect of the embankment is ensured.

Description

Clay embankment with additional roadbed bottom granule water-proof layer and side drain pipe

Technical Field

The utility model relates to the technical field of embankment construction, in particular to a clay embankment additionally provided with a roadbed bottom granular material water-resisting layer and an edge drain pipe.

Background

The embankment is a line building with certain compactness filled with soil or stone on the natural ground, and can be divided into a short embankment and a high embankment according to the different filling heights of the embankment, and the embankment with different conditions and reinforcement types, such as a submerged embankment, a foot protection embankment, a trenched filling embankment and the like, generally has great structural requirements on the embankment by different types of roads, such as high-traffic highways with higher requirements on the structural strength and structural reliability of roadbeds and pavements, and in order to ensure the basic service life and the service life of the embankments, it is important that the roadbed pavements keep good water temperature conditions and relatively dry levels.

The prior art often has the following problems when in use:

1. in the conventional design, in order to maintain good strength and working state, a granular material cushion layer such as gravel and broken stone is usually arranged on a heavy traffic highway fine-grained soil embankment section in a heavy freezing area, so that the embankment has the capability of reducing the invasion of upper seepage free water, and the capability of preventing capillary water rising in a frost heaving period and water damage caused by spring thawing, however, the conventional embankment structure usually has no functions of water isolation, water storage, drainage and freezing resistance because the structure is unreasonable and cannot reach expectations, and in addition, the roadbed strength attenuation fatigue in summer and the frost thawing damage in winter and spring include frost heaving, slurry turning and the like, so that the roadbed of the heavy traffic highway fine-grained soil in the heavy freezing area and the heavy traffic highway has poor water stability, poor strength reliability and poor durability, and the service life of the road is reduced;

2. because no special drainage or water blocking facilities are arranged in the roadbed pavement, the drainage function of the originally designed pavement cushion layer is greatly reduced, even the basic water storage function is included, the pavement granular material cushion layer is sealed between the pavement structure layer and the fine soil roadbed, the water cannot be drained, and the effectiveness of the corresponding water blocking and freezing resisting functions is weakened.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides a clay embankment with a roadbed granule water-resisting layer and an edge drain pipe.

The embodiment of the utility model provides a clay embankment additionally provided with a roadbed bottom granule water-resisting layer and an edge drain pipe, which comprises the following components:

filling roadbed, wherein a filling roadbed is fixedly connected above the filling roadbed, a first drainage pipeline is arranged in the filling roadbed, a first permeable pipe is communicated with the first drainage pipeline, the first permeable pipe penetrates through the filling roadbed, the end part of a water outlet is positioned at the outer side of the filling roadbed, a pavement cushion layer, a subbase layer, a base layer and a pavement layer are sequentially and fixedly connected above the filling roadbed, and a road shoulder is fixedly connected above the first permeable pipe;

the drainage assembly comprises a granular material filling layer fixedly connected to the upper portion of the filling roadbed, the granular material filling layer is arranged in an inclined slope, a clay binding is fixedly connected to the surface of the granular material filling layer, a second drainage pipeline is arranged in the granular material filling layer, a second permeable pipe is communicated with the second drainage pipeline, and penetrates through the filling roadbed and the end part of a water outlet is located outside the filling roadbed.

Further, road surface bed course, underlayment, basic unit and road surface layer side all with road shoulder fixed connection, just road surface bed course, underlayment, basic unit and road surface layer all are certain slope setting that inclines.

Further, the sides of the road shoulders and the filling road beds are all arranged in an inclined slope.

Further, water seepage holes are formed in the circumferential side walls of the first drain pipe and the second drain pipe, and the sections of the water seepage holes are trapezoidal.

Further, a water blocking belt is fixedly connected above the pavement layer.

Furthermore, the first water permeable pipe and the second water permeable pipe are made of rigid metal materials, and the first water permeable pipe and the second water permeable pipe are obliquely arranged and the water outlet is provided with a protective filter screen.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the granular material water-resisting layer is additionally arranged at a position below the pavement granular material cushion layer, so that the pavement granular material cushion layer has the functions of water resistance, water storage, water drainage and freezing resistance, and meanwhile, the granular material cushion layer is matched with the pavement cushion layer at the upper part, so that the middle pavement bed can keep a good water temperature condition, the water stability and the strength reliability are ensured, and the service life of a road is prolonged; the free water is discharged out of the roadbed in time through the transverse drain pipe additionally arranged at the edge part, so that the water collected to the outer edge part by the whole layer of materials is discharged out in time, the drainage capacity of the embankment is improved, and the drainage effect of the water outlet is guaranteed.

Drawings

Fig. 1 is a schematic diagram illustrating a side view of a clay embankment with an additional bottom pellet water barrier and side drainage pipes according to an embodiment of the present utility model.

Fig. 2 is an enlarged view at a of fig. 1.

Fig. 3 is a schematic diagram illustrating a schematic diagram of a top view structure of a clay embankment with an additional bottom aggregate water barrier and side drainage pipes according to an embodiment of the present utility model.

In the above figures: 1, filling a roadbed; 2, filling a road bed; 3 a first water permeable pipe; 4, a pavement cushion layer; 5, a subbase layer; 6, a base layer; 7 shoulders; 8, filling the granular material; 9 a second drain pipe; a second water permeable pipe 10; 11 road layers; 12 water seepage holes; 13 a water blocking belt; 14, protecting a filter screen; 15 a first drain line; 16 clay edges.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1 and 3, the embodiment of the utility model provides a clay embankment with a roadbed granule water-resisting layer and an edge drain pipe, which comprises a roadbed 1 and a drain assembly: the road surface layer 4, the base layer 5, the base layer 6 and the road surface layer 11 are fixedly connected above the filled roadbed 2 in sequence, the water blocking belt 13 is fixedly connected above the road surface layer 11, the road shoulder 7 is fixedly connected above the first water permeable pipe 3, the road shoulder 7 and the side edges of the filled roadbed 2 are all in inclined slope arrangement, the road surface layer 4, the base layer 5, the base layer 6 and the road surface layer 11 are all in fixed connection with the road shoulder 7, and the road surface layer 4, the base layer 5, the base layer 6 and the road surface layer 11 are all in inclined slope arrangement;

the road bed 2 is filled and the road cushion layer 4 above has certain water-proof and frost-proof effects, and the moisture in the road bed 2 is filled and the moisture can gradually permeate into the first drainage pipeline 15, so that the water storage function of the road cushion layer is realized, the first water permeable pipeline 3 communicated with the first drainage pipeline 15 provides the drainage function, in addition, the road cushion layer 4 and the granular material filling layer 8 greatly improve the water stability and the strength reliability of the roadbed, and the service life of the road is prolonged.

As shown in fig. 1 and 2, the drainage assembly comprises a granule filling layer 8 fixedly connected above a filling roadbed 1, the granule filling layer 8 is arranged in an inclined slope, the surface of the granule filling layer 8 is fixedly connected with a clay binding 16, a second drainage pipeline 9 is arranged inside the granule filling layer 8, water seepage holes 12 are formed in the circumferential side walls of the first drainage pipeline 15 and the second drainage pipeline 9, the cross section of the water seepage holes 12 is in a trapezoid shape, the second drainage pipeline 9 is communicated with a second water seepage pipe 10, the first water seepage pipe 3 and the second water seepage pipe 10 are made of steel metal materials, the first water seepage pipe 3 and the second water seepage pipe 10 are all arranged in an inclined manner, and a water outlet is provided with a protection filter screen 14, and the water seepage holes 12 in the first drainage pipeline 15 and the second water seepage pipe 9, the protection filter screen 14 in the first water seepage pipe 3 and the second water seepage pipe 10 are all finished in the pipeline production process, and the construction process of the second water seepage pipe 10 is not required to be additionally provided with pipelines per se, so that the construction process of the second water seepage pipe 10 penetrates through the filling roadbed 1, and the water outlet end part is located outside the filling roadbed 1;

the granular material filling layer 8 is arranged as a water-resisting layer, so that a water-resisting function is further provided for the filling road bed 2, the road bed clamped between the cushion layer and the granular material layer can keep a good water temperature condition, the arranged second drainage pipeline 9 and the second water-permeable pipe 10 can be used as water storage and drainage devices to relieve drainage pressure of the filling road bed 2, in addition, water seepage holes 12 arranged on the first drainage pipeline 15 and the second drainage pipeline 9 accelerate water storage speed of the filling road bed 2 and the granular material filling layer 8, water of the whole layer of materials is conveniently and timely drained out of the road embankment, and drainage capacity of the road embankment is improved; the protection filter screen 14 at the water outlet of the first water permeable pipe 3 and the second water permeable pipe 10 isolates impurities outside the embankment, and prevents the end parts of the first water permeable pipe 3 and the second water permeable pipe 10 from being blocked, thereby ensuring the drainage effect of the water outlet.

The detailed working process of the utility model is as follows:

1. the filled road bed 2 and the road cushion layer 4 above the filled road bed 2 have certain water-proof and anti-freezing effects, and moisture in the filled road bed 2 gradually permeates into the first drainage pipeline 15, so that the water storage function of the road cushion layer is realized, meanwhile, the first water permeable pipeline 3 communicated with the first drainage pipeline 15 provides a drainage function, and in addition, the road cushion layer 4 and the granular material filling layer 8 greatly improve the water stability and the strength reliability of the roadbed;

2. the granular material filling layer 8 is arranged as a water-resisting layer, so that a water-resisting function is further provided for the filling road bed 2, the road bed clamped between the cushion layer and the granular material layer can keep a good water temperature condition, the arranged second drainage pipeline 9 and the second water-permeable pipe 10 can be used as water storage and drainage devices to relieve drainage pressure of the filling road bed 2, in addition, water seepage holes 12 arranged on the first drainage pipeline 15 and the second drainage pipeline 9 accelerate water storage speed of the filling road bed 2 and the granular material filling layer 8, water of the whole layer of materials is conveniently and timely drained out of the road embankment, and drainage capacity of the road embankment is improved;

3. the protection filter screen 14 at the water outlet of the first water permeable pipe 3 and the second water permeable pipe 10 isolates impurities outside the embankment, and prevents the end parts of the first water permeable pipe 3 and the second water permeable pipe 10 from being blocked, thereby ensuring the drainage effect of the water outlet.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. A clay embankment with an additionally arranged roadbed bottom granule water-resisting layer and an edge drain pipe, which is characterized by comprising:

filling roadbed (1), filling roadbed (1) top fixedly connected with fills roadbed (2), be provided with first drainage pipe (15) in filling roadbed (2), first drainage pipe (15) are last to be linked together have first water-permeable pipe (3), first water-permeable pipe (3) run through filling roadbed (2) and delivery port tip are located filling roadbed (2) outside, filling roadbed (2) top fixedly connected with road surface bed course (4), subbase layer (5), basic unit (6) and road surface course (11) in proper order, first water-permeable pipe (3) top fixedly connected with road shoulder (7);

the drainage assembly comprises a granular material filling layer (8) fixedly connected to the upper portion of the filling roadbed (1), the granular material filling layer (8) is arranged in an inclined slope, a clay binding (16) is fixedly connected to the surface of the granular material filling layer (8), a second drainage pipeline (9) is arranged in the granular material filling layer (8), a second water permeable pipe (10) is communicated with the second drainage pipeline (9), and the second water permeable pipe (10) penetrates through the filling roadbed (1) and the end part of a water outlet is located outside the filling roadbed (1).

2. The clay embankment with additional road bed bottom granule water-resisting layer and side drain pipes according to claim 1, wherein:

the road surface bed course (4), underlayment (5), basic unit (6) and road surface layer (11) side all with curb (7) fixed connection, just road surface bed course (4), underlayment (5), basic unit (6) and road surface layer (11) all are certain slope setting.

3. The clay embankment with additional road bed bottom granule water-resisting layer and side drain pipes according to claim 1, wherein:

the sides of the road shoulder (7) and the filling road bed (2) are all arranged in an inclined slope.

4. The clay embankment with additional road bed bottom granule water-resisting layer and side drain pipes according to claim 1, wherein:

the water seepage holes (12) are formed in the circumferential side walls of the first water drainage pipeline (15) and the second water drainage pipeline (9), and the cross sections of the water seepage holes (12) are trapezoidal.

5. The clay embankment with additional road bed bottom granule water-resisting layer and side drain pipes according to claim 1, wherein:

a water blocking belt (13) is fixedly connected above the pavement layer (11).

6. The clay embankment with additional road bed bottom granule water-resisting layer and side drain pipes according to claim 1, wherein:

the first water permeable pipe (3) and the second water permeable pipe (10) are made of rigid metal materials, the first water permeable pipe (3) and the second water permeable pipe (10) are obliquely arranged, and a protective filter screen (14) is arranged at the water outlet.