CN211816324U

CN211816324U - Roadbed slope protection structure

Info

Publication number: CN211816324U
Application number: CN202020176161.7U
Authority: CN
Inventors: 喻发辉; 刘吉国; 刘梅
Original assignee: Chongqing Angran Construction Engineering Co ltd
Current assignee: Chongqing Angran Construction Engineering Co ltd
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2020-10-30
Anticipated expiration: 2030-02-14

Abstract

The utility model relates to a roadbed slope protection structure, aim at solving the problem that unstable appears in long-term use, it includes along the stone layer of the piece of building and the drainage sheet layer of road bed side slope length direction laying, the drainage sheet layer is laid and is laid in the stone layer of building and deviates from road bed side slope one side, the slope bottom that the drainage sheet layer formed is provided with the escape canal, still includes many fixed muscle, fixed muscle is worn to locate road bed side slope, stone layer of building and drainage sheet layer, fixed muscle is pre-buried in road bed side slope one end and is formed with helical blade along its radial and this distolateral point, the one end shaping that fixed muscle kept away from road bed side slope has a plurality of fixed blades, a plurality of fixed blade all is perpendicular with fixed muscle and along the radial direction equipartition of fixed muscle; concrete layers are arranged on one sides, close to the roadbed slopes, of the building sheet stone layers in advance, and waterproof geotextile layers are arranged between the drainage board layers and the building sheet stone layers in advance. The utility model discloses can improve the steadiness of side slope relatively.

Description

Roadbed slope protection structure

Technical Field

The utility model belongs to the technical field of the road bed technique and specifically relates to a side slope protective structure of road bed is related to.

Background

The roadbed is the foundation of a track or a road surface, is an earth structure formed by excavation or filling, and provides necessary conditions for track or road surface laying and train or traveling operation. The roadbed slope is an important component of the roadbed, is an inclined plane which is formed by connecting two sides of the cross section of the roadbed with the ground and is an important factor influencing the stability of the roadbed.

The patent of the Chinese utility model with the publication number of CN209457025U discloses a roadbed slope protection structure, which comprises a roadbed, a drainage groove and a protection structure arranged on the roadbed slope surface, wherein the protection structure comprises a drainage plate, a stone building layer and a fixing rib; the masonry layer is positioned on the outer side of the roadbed slope and arranged along the slope surface, the inner side of the drainage plate is tightly abutted against the outer side of the masonry layer, one end of the fixing rib is fixed on the inner side of the drainage plate, the other end of the fixing rib penetrates through the masonry layer and is fixed inside the roadbed, a plurality of drainage plates are arranged up and down along the slope surface of the roadbed, a notch is formed in one side, away from the masonry layer, of the upper end of the drainage plate, a flange matched with the notch is arranged at one side, away from the masonry layer, of the lower end of the drainage plate; the drainage grooves are positioned on two sides of the roadbed and positioned on the lower part of the lowest drainage plate; the roadbed includes upper and lower basic unit that sets up, upper and lower basic unit top both sides are provided with the extension, step stone layer top with the extension bottom is connected, the top the drain bar top is located extension below.

Above-mentioned scheme provides a side slope protective structure of road bed, and it is connected stone building layer, drain bar and road bed through fixed muscle, through laying the drain bar drainage in the stone building layer outside.

However, as can be seen from the specification and the drawings of the specification, the fixing rib is only a polished rod, so that the fixing connection effect of the fixing rib is relatively poor; just the inside other drainage structures that do not set up of road bed limit, only through the drainage that prevents of downward natural infiltration, when the inside ponding of road bed side slope is too much, the relative weak of road bed side slope stability, consequently the utility model provides a new technical scheme.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a side slope protective structure of road bed, its steadiness that can improve the side slope relatively.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a roadbed slope protection structure comprises a sheet building stone layer and a drainage plate layer which are laid along the length direction of a roadbed slope, wherein the drainage plate layer is laid on one side, away from the roadbed slope, of the sheet building stone layer, a drainage ditch is formed at the bottom of a slope formed by the drainage plate layer, the roadbed slope protection structure also comprises a plurality of fixing ribs, the fixing ribs penetrate through the roadbed slope, the sheet building stone layer and the drainage plate layer, the fixing ribs are embedded at one end of the roadbed slope and are provided with spiral blades along the radial direction, the end side of the fixing ribs is a tip, one end, away from the roadbed slope, of the fixing ribs is provided with a plurality of fixing blades, and the fixing blades are all perpendicular to the fixing ribs and are uniformly distributed along the; concrete layers are arranged on one sides, close to the roadbed slopes, of the building sheet stone layers in advance, and waterproof geotextile layers are arranged between the drainage board layers and the building sheet stone layers in advance.

By adopting the technical scheme, the concrete layer is arranged on the outer side of the roadbed slope, so that the stability of the whole roadbed slope structure is relatively enhanced; in addition, through setting up fixed muscle with road bed side slope, concrete layer and drainage sheet layer rigid coupling to the fixed blade of shaping on fixed muscle, the whole roadbed structure's of further relative reinforcing stability, thereby the result of use is better.

The present invention may be further configured in a preferred embodiment as: drainage plate layer includes the drainage bar of the mutual concatenation of polylith, adjacent two drainage bar overlap joint and overlap joint are personally submitted the trapezoidal face, and in vertical direction, high one drainage bar is located the upside.

Through adopting above-mentioned technical scheme, pass through the connection of the mutual overlap joint form of polylith drain bar with the drain bar layer to in vertical direction, the drain bar of high piece is located the upside, and the trapezoidal face is personally submitted to the overlap joint, so that in the installation, can prevent relatively that the water refluence on the drain bar layer from getting into the semi-layer inside of drainage, prevents promptly that the drain bar layer is unstable relatively because of water soaks.

The present invention may be further configured in a preferred embodiment as: the lapping surface of two adjacent drain boards is provided with absorbent cotton.

Through adopting above-mentioned technical scheme, when appearing water on the drain bar and oozing in through the space between two adjacent drain bars, the cotton that absorbs water meets water swelling, thoroughly fills the space in the space between two drain bars to prevent water infiltration relatively, reduce outside water infiltration promptly and lead to the relatively unstable probability of road bed side slope, thereby firm effect is better for a long time relatively.

The present invention may be further configured in a preferred embodiment as: the drain bar deviates from waterproof geotechnological cloth layer one side shaping and has planted the groove, adjacent two it all is formed with water drainage tank to plant between the groove.

By adopting the technical scheme, the planting groove is formed on one side of the drainage plate, which is far away from the waterproof geotextile layer, and can block sand and stones rolling down from the upper part of the drainage plate layer to a certain extent; in addition, low-growth grass plants are planted in the planting grooves of the seeds to enhance the using effect.

The present invention may be further configured in a preferred embodiment as: be provided with drainage structures in the side slope of the road bed, drainage structures includes many drainage blind pipes, drainage blind pipe one end is located the side slope of the road bed, and the groove is planted to the other end intercommunication.

Through adopting above-mentioned technical scheme, through set up the drainage blind pipe in the road bed side slope, the drainage blind pipe is with road bed side and drainage sheet layer intercommunication to with the ponding discharge in the road bed side slope, unstable phenomenon appears because of water pressure in the reduction road bed side slope, thereby make the steadiness of whole road bed side slope better relatively.

The present invention may be further configured in a preferred embodiment as: the drainage blind pipe is obliquely arranged and is downwards inclined away from one end of the roadbed slope.

By adopting the technical scheme, because the drainage blind pipe is inclined, and the drainage blind pipe is arranged in an inclined manner and the end, far away from the roadbed side slope, of the drainage blind pipe is inclined downwards, accumulated water in the roadbed side slope can be drained in time; in addition, the drainage blind pipe can prevent water outside the drainage plate layer from flowing backwards, so that the use effect is better.

The present invention may be further configured in a preferred embodiment as: the side of the roadbed side slope close to the concrete layer is dug to be provided with a plurality of pouring holes, and the pouring holes penetrate through the side of the roadbed side slope close to the concrete layer.

Through adopting above-mentioned technical scheme, when concreting, the concrete gets into pours the downthehole, and after concrete layer solidified, it and road bed side slope interconnect for the steadiness is better.

The present invention may be further configured in a preferred embodiment as: one side of the planting groove, which is away from the waterproof geotextile layer, is provided with a protective net.

Through adopting above-mentioned technical scheme, set up the protection network outside planting the groove, can prevent relatively that the gravel and sand in the planting groove from falling downwards, the result of use is better.

The present invention may be further configured in a preferred embodiment as: the upside of road bed side slope is provided with waterproof stifled shoulder, waterproof stifled shoulder is put and is extended along road bed side slope length direction horizontally, waterproof stifled shoulder extends to the drain bar along road bed side slope width direction one end, and the other end is buckled.

Through adopting above-mentioned technical scheme, set up waterproof stifled shoulder at road bed side slope upside, and waterproof stifled shoulder one end extends to the drain bar for the space of the upside between road bed side slope, concrete layer, the stone layer of building a sheet and the drain bar layer is stopped, in order to prevent that the water of road bed side slope upside from infiltrating down in the gap, thereby guarantee the water-proof effects and the stability of whole side slope road bed relatively for a long time, the result of use is better.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the roadbed slope, the building stone layer and the drainage plate layer are solidified through the fixing ribs, a plurality of fixing blades are formed in the radial direction of the fixing ribs, and the concreteness of the fixing ribs, the roadbed slope, the building stone layer and the drainage plate layer is enhanced, so that the stability of the whole structure is enhanced;

2. through set up the drainage blind pipe intercommunication in road bed side slope and drain bar in situ, in time discharge the ponding in the road bed side slope to it appears unstable probability because of its inside hydraulic increase to reduce the road bed side slope.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the explosion structure of the present invention, which mainly shows the consolidation relationship between the fixing ribs and each layer structure.

Fig. 3 is a schematic view of a local structure of the fixing rib of the present invention.

Fig. 4 is a schematic view of a partial structure of the drainage plate layer of the present invention.

Fig. 5 is a schematic view of the partial structure of the drainage blind pipe of the present invention.

Reference numerals: 1. building a stone layer; 11. a drainage ditch; 12. a rainwater grate; 3. fixing the ribs; 31. a helical blade; 32. a fixed blade; 4. a concrete layer; 41. pouring holes; 5. a waterproof geotextile layer; 6. a drain plate; 61. absorbent cotton; 62. planting grooves; 63. a water discharge tank; 7. a drainage blind pipe; 71. an inner tube; 711. reinforcing ribs; 72. a water seepage layer; 73. blocking the cover; 8. a protective net; 9. waterproof shoulder block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a road bed side slope protective structure, including step stone layer 1 and the drainage sheet layer of laying along road bed side slope length direction, drainage sheet layer lays and deviates from road bed side slope one side in step stone layer 1.

Referring to fig. 3, a plurality of fixing ribs 3 are arranged in the roadbed slope, the fixing ribs 3 penetrate through the roadbed slope, the stone layer 1 and the drainage plate layer, the fixing ribs 3 are embedded in one end of the roadbed slope in advance, spiral blades 31 are formed along the radial direction of the fixing ribs, and the end side of the fixing ribs is a tip end, so that when workers rotate the fixing ribs into the roadbed slope, the connection between the fixing ribs and the roadbed slope is enhanced;

a plurality of fixed blades 32 are formed at one end of the fixed rib 3 away from the roadbed slope, and the plurality of fixed blades 32 are all vertical to the fixed rib 3 and are uniformly distributed along the radial direction of the fixed rib 3; through fixed muscle 3 with the road bed side slope, build a sheet stone layer 1 and the drainage plate layer is connected, and because the shaping has a plurality of fixed blades 32 on the fixed muscle 3 for the further reinforcing of the consolidation of fixed muscle 3 and road bed side slope, build a sheet stone layer 1 and drainage plate layer, thereby the steadiness of whole road bed is better relatively.

The shape of the stationary blade 32 may be a shape known to those skilled in the art, such as a disk or plate.

Referring to fig. 2, a concrete layer 4 is poured on one side of the roadbed slope close to the stone layer 1 of the building sheet, and a reinforcing mesh is preset in the concrete layer 4 to enhance the structural strength of the concrete layer 4;

a plurality of pouring holes 41 are dug in one side, close to the drainage plate layer, of the roadbed slope, and the pouring holes 41 penetrate through one side, close to the drainage plate layer, of the roadbed slope; when concrete is poured, the concrete is poured into the pouring holes 41, so that the connectivity of the concrete layer 4 and the roadbed side slope is enhanced, namely the stability of the whole roadbed side slope is enhanced, and the stabilizing effect is better.

Referring to fig. 1, be provided with waterproof stifled shoulder 9 on road bed side slope upside, waterproof stifled shoulder 9 is put flatly and is extended along road bed side slope length direction, waterproof stifled shoulder 9 extends to the drainage sheet layer along road bed width direction one end, thereby shelter from the space of the upside between road bed side slope and concrete layer 4, between concrete layer 4 and the stone layer 1 of building sheet and between stone layer 1 of building sheet and the drainage sheet layer, prevent relatively in the infiltration space under water from road bed side slope top side, reduce the probability that outside water corrodes the road bed.

The other end of the waterproof shoulder 9 along the width direction of the roadbed slope is bent to enhance the connection with the roadbed slope.

Referring to fig. 2, a waterproof geotextile layer 5 is pre-disposed between the stone course 1 and the drainage sheet layer to prevent water from infiltrating from the drainage sheet layer to erode the stone course 1 and the roadbed slope.

Referring to fig. 2 and 4, the drainage sheet layer includes the drainage board 6 of the mutual concatenation of polylith, and trapezoidal face is personally submitted in 6 overlap joints of two adjacent drainage boards and overlap joint, and in vertical direction, the drainage board 6 of high one is located the upside, prevents to a certain extent that water from getting into inside, the long-term nature of relative whole road bed side slope from the space refluence between two drainage boards 6.

The faying face of two adjacent drain boards 6 is provided with the cotton 61 that absorbs water, and the cotton 61 that absorbs water meets water inflation, further blocks up the space of faying face, prevents inside water refluence entering drain board layer.

A planting groove 62 is formed in one side, away from the waterproof geotextile layer 5, of the drainage plate 6, low-growth grass plants can be planted in the planting groove, and the using effect is enhanced; a drainage groove 63 is formed between two adjacent planting grooves 62, so that water on the drainage plate layer can be quickly converged and drained through the drainage groove 63.

Planting groove 62 deviates from waterproof geotechnological cloth layer 5 one side and is provided with protection network 8 for the gravel and sand in the groove of will planting is kept apart relatively, prevents that it from rolling down, thereby the result of use is better.

A drainage ditch 11 is arranged at the slope bottom formed by the drainage plate layer and used for draining accumulated water flowing down from the side slope in time; the escape canal 11 extends along the length direction of the roadbed slope and is of an upper opening structure, and a rainwater grate 12 is covered on the upper opening of the escape canal 11 to prevent sand and stones on the roadbed slope from falling into the escape canal 11 and blocking the same, so that the drainage effect is poor.

Referring to fig. 2 and 5, a drainage structure is arranged in the roadbed slope, the drainage structure comprises a plurality of drainage blind pipes 7, and the drainage blind pipes 7 not only have surface water seepage capability and internal water communication capability, but also have better pressure resistance and deformation adaptive capability; one end of the drainage blind pipe 7 is positioned in the roadbed slope, and the other end of the drainage blind pipe is communicated with the planting groove 62, so that water in the roadbed slope can be discharged in time, and the unstable probability of the roadbed slope due to the rise of the internal water pressure is relatively reduced.

The drainage blind pipe 7 comprises an inner pipe 71 and a water seepage layer 72 covering the inner pipe 71, a plurality of water seepage holes are arranged on the inner pipe, and the water seepage layer 72 can be made of water seepage geotextile. The inner wall of the inner pipe 71 is formed with a plurality of reinforcing ribs 711 in the axial direction thereof to further enhance the strength of the drain blind 7.

The drainage blind pipe 7 is obliquely arranged and one end of the drainage blind pipe, which is far away from the roadbed side slope, is inclined downwards, so that water is relatively prevented from flowing backwards to be fed into the roadbed side slope.

One end of the drainage blind pipe 7, which is positioned in the planting groove 62, is in threaded connection with a blocking cover 73, and a plurality of drainage holes are formed in the blocking cover 73 so as to prevent external animals and plants or garbage from blocking the port of the drainage blind pipe while draining water.

The implementation principle of the embodiment is as follows: arranging a stone course 1 and a drainage plate layer on one side of the roadbed side slope, pouring a concrete layer 4 between the roadbed side slope and the stone course 1, and arranging a fixing rib 3 formed with a plurality of fixing blades 32 to enhance the stability of the whole roadbed side slope; the drainage blind pipe 7 for communicating the roadbed slope and the drainage plate layer is arranged to discharge water inside the roadbed slope, so that the influence of water pressure inside the roadbed slope on the overall stability of the roadbed is reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a road bed side slope protective structure, includes along the stone layer of building a sheet (1) and the drainage sheet layer that road bed side slope length direction laid, drainage sheet layer lays and deviates from road bed side slope one side in stone layer of building a sheet (1), the slope end that the drainage sheet layer formed is provided with escape canal (11), its characterized in that: the roadbed slope building block is characterized by further comprising a plurality of fixing ribs (3), wherein the fixing ribs (3) penetrate through a roadbed slope, a stone layer (1) of building blocks and a drainage plate layer, spiral blades (31) are formed at one end, which is embedded in the roadbed slope, of the roadbed slope along the radial direction of the fixing ribs (3), the end, which is far away from the roadbed slope, of the fixing ribs (3) is provided with a plurality of fixing blades (32), and the fixing blades (32) are perpendicular to the fixing ribs (3) and are uniformly distributed along the radial direction of the fixing ribs (3); concrete layer (4) have been preset in advance to build piece stone layer (1) one side near the road bed side slope, waterproof geotechnological cloth layer (5) have been preset between drainage sheet layer and the build piece stone layer (1).

2. The roadbed slope protection structure of claim 1, wherein: drainage plate layer includes drainage plate (6) that the polylith spliced each other, adjacent two drainage plate (6) overlap joint and overlap joint are personally submitted the trapezoidal face, and in vertical direction, high one drainage plate (6) are located the upside.

3. The roadbed slope protection structure of claim 2, wherein: the lapping surface of two adjacent drain boards (6) is provided with absorbent cotton (61).

4. A subgrade slope protection structure according to claim 3, characterized in that: the drain bar (6) deviates from waterproof geotechnological cloth layer (5) one side shaping and has planting groove (62), adjacent two all be formed with water drainage tank (63) between planting groove (62).

5. The roadbed slope protection structure of claim 1, wherein: be provided with drainage structures in the road bed side slope, drainage structures includes many drainage blind pipes (7), drainage blind pipe (7) one end is located the road bed side slope, and groove (62) are planted to the other end intercommunication.

6. The roadbed slope protection structure of claim 5, wherein: the drainage blind pipe (7) is obliquely arranged and is inclined downwards far away from one end of the roadbed slope.

7. The roadbed slope protection structure of claim 1, wherein: the side, close to concrete layer (4), of the roadbed slope is dug to be equipped with a plurality of holes of pouring (41), the holes of pouring (41) run through the roadbed slope and are close to one side of concrete layer (4).

8. The roadbed slope protection structure of claim 4, wherein: one side of the planting groove (62) departing from the waterproof geotextile layer (5) is provided with a protective net (8).

9. The roadbed slope protection structure of claim 1, wherein: the upside of road bed side slope is provided with waterproof stifled shoulder (9), waterproof stifled shoulder (9) are put and are extended along road bed side slope length direction horizontally, waterproof stifled shoulder (9) extend to drain bar (6) along road bed side slope width direction one end, and the other end is buckled.