CN112813758A

CN112813758A - Highway spoil heap processing system

Info

Publication number: CN112813758A
Application number: CN202011632733.9A
Authority: CN
Inventors: 陈有全; 徐栋会; 梁强; 李磊
Original assignee: Chongqing Leway Civil Engineering Design Co ltd
Current assignee: Chongqing Leway Civil Engineering Design Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-05-18

Abstract

The utility model belongs to the technical field of the road construction technique and specifically relates to a highway spoil heap processing system is related to, and it includes that the road bed struts section, buffer segment and buffer support the section, and section, buffer segment and buffer support the section and set up along the direction order of keeping away from the road bed are strutted to the road bed, and the section is strutted to the road bed includes the afforestation side slope, and the buffer segment includes the afforestation layer, and the buffer support section includes the afforestation bank protection. The present application has the following effects: the greening side slope is used as a repairing structure of the roadbed supporting section, the greening layer is used as a repairing structure of the buffering section, and the greening side slope is used as a repairing structure of the buffering supporting section, so that the greening effect and the environmental protection effect between the roadbed and the original appearance are improved, and the roadbed and the original appearance are more harmonious.

Description

Highway spoil heap processing system

Technical Field

The application relates to the technical field of road construction, in particular to a road spoil heap processing system.

Background

The roadbed means a strip-shaped structure which is built according to a route position and a certain technical requirement and serves as a road surface foundation. The roadbed is the foundation of railways and highways and is mainly a linear structure constructed by soil or stones.

In order to improve the stability of the road bed and to make the road surface not easy to be damaged, the road bed is usually required to be structurally reinforced. The way of anti-settlement treatment of the road subgrade itself can be adopted, for example, the anti-settlement road subgrade disclosed in the Chinese patent with the publication number of 202011005212.0 comprises soil and pipe bodies; a supporting seat structure is buried in the soil layer, a barrier layer covers the soil layer, and a second soil layer covers the barrier layer; a cement layer covers the second soil layer, an asphalt layer covers the cement layer, and a drainage structure is arranged in the cement layer; the second soil layer comprises a blocking net, the second soil layer is a mixed soil layer formed by mixing soil and sand, and the blocking net is paved in the second soil layer; the blocking net is of a gauze structure and is laid in an S shape; the drainage structure comprises water inlet holes, the pipe body is of a cylindrical tubular structure, the water inlet holes are formed in the outer wall of the pipe body in an annular array mode, and the water inlet holes formed in the annular array mode jointly form a diffusion type intercepting drainage structure for water.

The roadbed comprises a roadbed soil cushion layer, wherein a roadbed base surface is arranged on the upper surface of the roadbed soil cushion layer, a central shaft marking is arranged in the center of the roadbed base surface, deceleration friction belts are arranged on two sides of the central shaft marking, settlement indicating columns are arranged on the front sides of the deceleration friction belts, ultra-wide reinforced earthwork is arranged on two sides of the roadbed soil cushion layer, a water diversion ditch is arranged on the left side of the ultra-wide reinforced earthwork, a roadbed slope support is arranged on the right side of the roadbed soil cushion layer, a water-retaining vegetation unit is arranged on the upper surface of the roadbed slope support, a rolling compact layer is arranged at the bottom of the roadbed soil cushion layer, karst grouting holes are formed in the bottom of the rock solvus grouting holes, a longitudinal and transverse drainage pipe layer is arranged at the bottom of the longitudinal and transverse drainage pipe layer, and a steel mold pouring layer is arranged at the bottom of the steel mold pouring layer, and a high-permeability filling layer.

In view of the above-mentioned related technologies, the inventor thinks that the foundation often involves the treatment measures such as backfilling of the original landform during construction, so road engineering has a great impact on the environment along the line during construction, and the backfilled abandoned land side away from the mountain is prone to damage such as vegetation reduction, soil erosion, air pollution and the like.

Disclosure of Invention

In order to repair one side of the backfilled abandoned soil site far away from a mountain body to improve the harmonious effect between a road and an original appearance, the application provides a road abandoned soil pile treatment system.

The application provides a road spoil heap processing system adopts following technical scheme:

the utility model provides a highway spoil mound processing system, includes that the road bed struts section, buffer segment and buffering and struts the section, the section is strutted to road bed, buffer segment and buffering and struts the direction order setting of section along keeping away from the road bed, the section is strutted including afforestation side slope to the road bed, the buffer segment includes the afforestation layer, the section is strutted including the afforestation bank protection to the buffering.

Through adopting above-mentioned technical scheme, afforest the side slope and be used as the restoration structure of road bed support section, and the afforestation layer is used as the restoration structure of buffer section, and afforest the side slope and be used as the restoration structure of buffer support section to make afforestation effect and environmental protection effect between road bed and the original looks all can improve, be more harmonious between road bed and the original looks.

It is optional, the road bed is strutted the section and is included the road bed soil slope, the road bed soil slope is established in one side of road bed width direction, the afforestation side slope is established in one side that road bed soil slope kept away from the road bed, the afforestation side slope includes concrete planting frame, plant living bag and surface soil layer, concrete planting frame fixes on the surface on the road bed soil slope, plant living bag sets up side by side along the surface on road bed soil slope, and the one end of planting living bag is located the top on road bed soil slope, plants the other end of living bag and is located the bottom on road bed soil slope, plant living bag and wear to establish in concrete planting frame, surface soil layer is located the framework of concrete planting frame, plant living bag inlays to establish in surface soil layer.

Through adopting above-mentioned technical scheme, the plant growing bag is as afforestation facility to strengthen the afforestation effect on road bed soil slope, the concrete is planted the frame and is used for strengthening the steadiness of plant growing bag, with reducing soil erosion and water loss, the surface soil layer is as the protective layer of plant growing bag, so that the plant growing bag is difficult by the landslide.

Optionally, the concrete is planted and is put up diversion channel and escape canal, the diversion channel sets up in one side that the roadbed soil slope was kept away from to the concrete planting frame, and the one end of diversion channel is located the top of roadbed soil slope, and the other end of diversion channel is located the bottom of roadbed soil slope, the escape canal sets up in the bottom of roadbed soil slope, the diversion channel is close to the one end and the escape canal intercommunication in escape canal.

Through adopting above-mentioned technical scheme, the diversion trench is used for advancing the guide to the rivers of road department to make rivers be difficult for stretching to in the frame of concrete planting frame, thereby make surface soil layer and road bed soil slope be difficult for taking place soil erosion and water loss, the escape canal is used for collecting the rivers in the diversion trench, in order to avoid rivers to stretch wantonly.

Optionally, the buffer section is including backfilling stone layer, backfill soil layer and first planting soil layer, backfill soil layer and backfill stone layer all are located the below on afforestation layer, and first planting soil layer, backfill soil layer and backfill stone layer set up along the direction order of keeping away from afforestation layer.

Through adopting above-mentioned technical scheme, backfill the stone layer and be used for strengthening the stability of buffer segment to make the difficult emergence of buffer segment subside, backfill the soil layer and be convenient for first planting soil layer and the laying of afforestation layer, first planting soil layer has promoted the planting effect on afforestation layer.

Optionally, the first planting soil layer is obliquely arranged, the high end of the first planting soil layer is close to one end of the roadbed supporting section, the low end of the first planting soil layer is far away from one end of the buffering supporting section, one side, far away from the backfill soil layer, of the first planting soil layer is provided with a plurality of collecting channels, a perforated pipe is arranged below the collecting channels of the first planting soil layer, and a permeable layer is arranged outside the perforated pipe.

Through adopting above-mentioned technical scheme, the rivers on afforestation layer can see through in the first planting soil layer infiltration perforated pipe to make the rivers on afforestation layer reduce gradually along the direction of keeping away from the road bed, thereby make the first planting soil layer be difficult for receiving washing away of rivers.

Optionally, the buffer support section comprises a compacted soil slope, the greening slope protection is arranged on the compacted soil slope, and the greening slope protection comprises a second planting soil layer and a grass irrigation layer arranged on the second planting soil layer.

By adopting the technical scheme, the compacted soil slope is used for supporting the buffer section, so that the phenomenon that one end of the buffer section, which is far away from the roadbed supporting section, is not easy to slide and the like is avoided, the greening effect of the compacted soil slope is enhanced by the grass irrigation layer, and the planting effect of the grass irrigation layer is improved by the second planting soil layer.

Optionally, the middle part of compaction soil slope is equipped with buffering platform, compaction soil slope is equipped with the cistern in buffering platform department, the bottom of cistern inlays to be established in buffering platform.

Through adopting above-mentioned technical scheme, the cistern is used for the water storage, in the less season of rainy season, can go out the water pump in the cistern and be used for afforestation side slope, afforestation layer and afforestation bank protection irrigate etc..

Optionally, the below in escape canal is equipped with first settling basin, the below of perforation pipe is equipped with the second settling basin, first vertical pipeline of drainage communication and settling basin intercommunication, the perforation pipe is equipped with the vertical pipeline of second that communicates in the second settling basin, the top of first settling basin is through first horizontal pipe and second settling basin intercommunication, the top of second settling basin passes through second horizontal pipe and cistern intercommunication, the one end that the second horizontal pipe stretched into the cistern is equipped with the filter screen.

Through adopting above-mentioned technical scheme, the rivers in escape canal get into in the first settling basin through first vertical pipeline, rivers in the perforated pipe get into in the second settling basin through the vertical pipeline of second, first horizontal pipeline and second horizontal pipeline sink the leading-in cistern of retaining in pond and the second settling basin, the retaining is because subside and filter many times, higher clean degree has, in the less season of rainwater, can pump the retaining in the cistern, and be used for watering afforestation side slope, afforestation layer and afforestation bank protection, with the rational utilization and the ecological circulation that realizes the water resource, thereby further strengthen the harmonious effect of road and former landform.

Optionally, the bottom of compaction soil slope is equipped with the sluicing ditch, the top of cistern is equipped with the drain pipe that communicates in the sluicing ditch.

Through adopting above-mentioned technical scheme, when rainy season is more, the cistern is water-filled, and the drain pipe is used for discharging unnecessary retaining in the cistern to the sluicing ditch in to avoid the retaining in the cistern to spill over and cause the afforestation bank protection to receive the erodeing.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the greening side slope is used as a repairing structure of the roadbed supporting section, the greening layer is used as a repairing structure of the buffering section, and the greening side slope is used as a repairing structure of the buffering supporting section, so that the greening effect and the environmental protection effect between the roadbed and the original landscape are improved, and the roadbed and the original landscape are more harmonious;

2. through setting up first sedimentation tank, second sedimentation tank and cistern, collect the rainwater and reuse, realized ecological circulation and the rational utilization of water resource.

Drawings

FIG. 1 is a schematic view showing the overall construction of a road spoil heap processing system according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a roadbed supporting section in the embodiment of the application;

fig. 3 is a sectional view of a roadbed supporting section in the embodiment of the present application;

FIG. 4 is a cross-sectional view of a buffer segment in an embodiment of the present application;

FIG. 5 is an enlarged view of portion A of FIG. 4;

figure 6 is a cross-sectional view of a cushioning support section in an embodiment of the present application.

Description of reference numerals: 1. a roadbed supporting section; 11. a roadbed soil slope; 12. greening the side slope; 121. a concrete planting frame; 1211. a water diversion groove; 1212. a drainage ditch; 1213. an anchor rod; 122. planting a biological bag; 123. a surface soil layer; 2. a buffer section; 21. a greening layer; 211. a grass roll layer; 212. a tree; 22. backfilling the stone layer; 221. a steel floral tube; 23. backfilling the soil layer; 24. a first planting soil layer; 241. a collection channel; 242. a perforated pipe; 2421. a water permeable layer; 3. a buffer support section; 31. greening slope protection; 311. a second planting soil layer; 312. grass irrigation layer; 32. compacting the soil slope; 321. a buffer platform; 322. a reservoir; 3221. a drain pipe; 323. a drainage ditch; 4. a first settling tank; 41. a first vertical pipe; 42. a first horizontal pipe; 5. a second settling tank; 51. a second vertical pipe; 52. a second horizontal pipe; 6. and (7) roadbed.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses road spoil heap processing system. Referring to fig. 1, the road spoil heap treatment system includes a roadbed supporting section 1, a buffer section 2 and a buffer supporting section 3.

The roadbed supporting section 1, the buffer section 2 and the buffer supporting section 3 are sequentially arranged along the direction far away from the roadbed 6. The roadbed supporting section 1 is used for supporting the roadbed 6 so as to enhance the stability of the roadbed 6; the buffer section 2 is used as a connecting structure between the roadbed 6 and the original landform so as to avoid dangerous rocks formed on one side of the roadbed 6 far away from the mountain body due to overlarge height difference between the roadbed 6 and the original landform; the buffer support section 3 is used for supporting the buffer section 2 so as to enhance the stability of the buffer section 2.

Referring to fig. 1 and 2, a roadbed supporting section 1 includes a roadbed soil slope 11 and a greening side slope 12. The roadbed soil slope 11 is used for enhancing the stability of the roadbed 6; the greening side slope 12 is used as a repairing structure of the roadbed soil slope 11 to enhance the greening effect and the environmental protection effect of the roadbed supporting section 1.

The roadbed soil slope 11 is arranged on one side of the roadbed 6 away from a mountain, the roadbed soil slope 11 is formed by backfilling excavated soil of other road sections, and during backfilling, the excavated soil is backfilled in a layered full area and is uniformly compacted; the slope of the roadbed soil slope 11 is less than 1:1.5, so that the roadbed soil slope 11 is not easy to cause water and soil loss due to rain wash.

Referring to fig. 2 and 3, a greening side slope 12 is provided on a side of the roadbed soil slope 11 away from the roadbed 6, and the greening side slope 12 comprises a concrete planting frame 121, a plant growing bag 122 and a surface soil layer 123. The concrete planting frame 121 includes a plurality of rectangular concrete frames, which are uniformly arranged and integrated. The concrete planting frame 121 is fixed on the surface of the road bed soil slope 11, and the concrete planting frame 121 can be reinforced by anchor rods 1213 and the like, one end of the anchor rods 1213 is fixed in the concrete planting frame 121, and the other end of the anchor rods 1213 extends into the road bed soil slope 11.

The vegetation bags 122 serve as greening facilities, and the vegetation bags 122 are arranged side by side along the surface of the roadbed soil slope 11. The plant growth bag 122 is of a columnar structure, one end of the plant growth bag 122 is located at the top end of the roadbed soil slope 11, and the other end of the plant growth bag 122 is located at the bottom end of the roadbed soil slope 11. The plant growth bags 122 are inserted into the concrete planting frame 121, so that the plant growth bags 122 are not easy to slide off the roadbed soil slope 11.

The surface soil layer 123 is formed of excavated soil backfilled in the frame of the concrete planting frame 121. The surface soil is used for covering the plant growth bags 122, and the plant growth bags 122 are embedded in the surface soil layer 123. The thickness of the surface soil layer 123 should not exceed the thickness of the concrete planting frame 121. The surface soil layer 123 serves as a protective layer of the plant growth bag 122, so that the plant growth bag 122 is not easily scratched by sharp objects such as broken stones.

During construction, the formwork of the concrete planting frame 121 is built and molded, one end of the bag body of the plant growing bag 122 is fixed to the top end of the formwork of the concrete planting frame 121, the other end of the bag body of the plant growing bag 122 is fixed to the bottom end of the formwork of the concrete planting frame 121, plant soil and grass seeds which are prepared in proportion and mixed uniformly are filled into the bag body of the plant growing bag 122, so that the bag body of the plant growing bag 122 is bulged to form a column shape, then the concrete planting frame 121 is poured, and after the concrete planting frame 121 is molded, excavated soil is backfilled into the framework of the concrete planting frame 121 to form a surface soil layer 123.

Referring to fig. 2 and 3, the concrete planting frame 121 is provided with a water guide 1211 and a drainage ditch 1212. The water guide groove 1211 is arranged on one side of the concrete planting frame 121 far away from the roadbed soil slope 11, and the water guide groove 1211 is formed in advance when the concrete planting frame 121 is poured. The plurality of water guide grooves 1211 are provided on the concrete planting frame 121 at equal intervals, and may be provided in every other row of frames. One end of the water guide groove 1211 is located at the top end of the roadbed slope 11, and the other end of the water guide groove 1211 is located at the bottom end of the roadbed slope 11. The water guide groove 1211 is to guide water flow at the road so that the water flow is not easily spread into the frame of the concrete planting frame 121, thereby making the surface soil layer 123 and the roadbed soil slope 11 less prone to water and soil loss.

The escape canal 1212 sets up in the bottom of road bed slope 11, and the escape canal 1212 is for pouring fashioned concrete groove, and the escape canal 1212 can pour together when the frame 121 is planted to the concrete pours to make the frame 121 is planted to escape canal 1212 and concrete form an organic whole structure. One end of the water guide 1211 close to the drainage ditch 1212 is communicated with the drainage ditch 1212, and the drainage ditch 1212 is used for collecting the water flow in the water guide 1211 so as to prevent the water flow from spreading arbitrarily, so that the surface of the buffer section 2 is washed.

A first sedimentation tank 4 is arranged below the drainage ditch 1212, and the first sedimentation tank 4 is of a closed cuboid concrete structure. The drainage ditch 1212 is communicated with the first settling pond 4 through the first vertical pipeline 41, one end of the first vertical pipeline 41 is embedded in the drainage ditch 1212, and the other end of the drainage ditch 1212 extends into the first settling pond 4. The first vertical pipe 41 introduces the flow of water in the drain 1212 into the first settling tank 4 for storage. A rain water grate may be provided at an end of the first vertical pipe 41 adjacent to the drain 1212 to improve the cleanliness of the water flow entering the first vertical pipe 41.

Referring to fig. 1 and 4, the buffer section 2 includes a greening layer 21, a backfilling stone layer 22, a backfilling soil layer 23 and a first planting soil layer 24. The first planting soil layer 24, the backfill soil layer 23 and the backfill stone layer 22 are all located below the greening layer 21, and the first planting soil layer 24, the backfill soil layer 23 and the backfill stone layer 22 are sequentially arranged along the direction far away from the greening layer 21. The greening layer 21 comprises a roll layer 211 and trees 212, the roll layer 211 is formed by rolls laid on the first planting soil layer 24, the trees 212 are uniformly planted on the roll layer 211, and the roots of the trees 212 extend into the backfill soil layer 23. The greening layer 21 serves to enhance the greening effect and environmental protection effect of the buffer section 2.

The backfill stone layer 22 consists of stones in the excavation soil, which are crushed for larger stones, so that the gaps between the stones are reduced. After the stone blocks are backfilled to form the backfilled stone layer 22, concrete can be injected into the backfilled stone layer 22 through the steel flower pipes 221 to enhance the stability of the structure of the backfilled stone layer 22, so that the backfilled stone layer 22 is not prone to sedimentation. The backfill soil layer 23 is formed by backfilling excavated soil, and during backfilling, the excavated soil is layered and stacked in a full area and is uniformly compacted so as to enhance the stability of the backfill soil layer 23. The first sedimentation tank 4 is positioned in a backfill soil layer 23, and after the backfill soil layer 23 is backfilled to a certain height, pouring construction of the first sedimentation tank 4 can be carried out; after the backfill soil layer 23 is continuously backfilled to a certain height, the root of the tree 212 can be embedded in the backfill soil layer 23.

The first planting soil layer 24 is laid above the backfill soil layer 23, the first planting soil layer 24 can be laid twice, after the first planting soil layer 24 is laid for the first time, geotextile is laid on the first planting soil layer 24 laid for the first time, then the first planting soil layer 24 is laid for the second time, and then the straw roll is laid on the first planting soil layer 24 for the second time to form the straw roll layer 211.

Referring to fig. 4 and 5, the first planting soil layer 24 is arranged obliquely, i.e., the first planting soil layer 24 is provided with a slope. The high-end on first planting layer is for being close to the one end that the road bed strutted section 1, and the bottom on first planting layer is for being close to the one end that section 3 was strutted in the buffering, and the slope on first planting soil layer 24 should be less, can set to 3%. A plurality of collecting channels 241 are arranged on one side of the first planting soil layer 24 far away from the backfill soil layer 23, and the collecting channels 241 are formed by sinking the first planting soil layer 24. In this embodiment, two collecting channels 241 are taken as an example. The first planting soil layer 24 is provided with perforated pipes 242 below the collecting channels 241, and the perforated pipes 242 correspond to the collecting channels 241 one by one. A water permeable layer 2421 is arranged outside the perforated pipe 242, and the water permeable layer 2421 can be formed by gravel laying. The water current of greening layer 21 can permeate first planting soil layer 24 into perforated pipe 242 to make the water current of greening layer 21 gradually decrease along the direction of keeping away from road bed 6, thereby making first planting soil layer 24 be difficult for receiving the erode of water current.

The lower part of perforated pipe 242 is equipped with second sedimentation tank 5, and second sedimentation tank 5 corresponds to perforated pipe 242 one-to-one. The perforated pipes 242 are communicated with the second settling tank 5 through the second vertical pipes 51, and the perforated pipes 242 correspond to the second vertical pipes 51 one by one. The second vertical pipe 51 serves to guide the water flow in the perforated pipe 242 into the second settling tank 5 for storage, so that the backfill layer 23 is not likely to be settled, thereby enhancing the stability of the backfill layer 23.

Referring to fig. 1 and 6, the buffer retaining section 3 includes a greening slope 31 and a compacted soil slope 32. The compacted soil slope 32 is formed by backfilling excavation soil filled at one end of the buffer supporting section 3 far away from the roadbed 6 and stones in the excavation soil. When the backfilling stone layer 22 is backfilled, one end of the backfilling stone layer 22 far away from the roadbed 6 is obliquely arranged, and when the backfilling soil layer 23 is laid, one end of the backfilling soil layer 23 far away from the roadbed 6 extends to the inclined surface of the backfilling stone layer 22, so that the compacted soil slope 32 can be trimmed and formed. The compacted soil slope 32 may also be grouted into the compacted soil slope 32 through the steel floral tube 221 to enhance the stability of the compacted soil slope 32.

The greening slope 31 includes a second planting soil layer 311 and a grass-shrub layer 312. The second planting soil layer 311 is formed by extending one end of the first planting soil layer 24 far away from the roadbed 6 to the position of the compacted soil slope 32, namely, geotextile is also arranged in the second planting soil layer 311. The grass-shrub layer 312 is arranged on the second planting soil layer 311, and the grass-shrub layer 312 is formed by planting shrubs and spreading grass seeds. The greening bank protection 31 is used for enhancing the greening effect and the environmental protection effect of the buffer supporting section 3.

The middle of the compacted soil slope 32 is provided with a buffer platform 321. The buffer platform 321 is formed by the excavated soil and the stone blocks in the excavated soil during backfilling. The compacted soil slope 32 is provided with a reservoir 322 at the buffer platform 321, and the reservoir 322 is a cuboid concrete structure poured at the buffer platform 321. In order to enhance the stability of the water reservoir 322 on the buffering platform 321, the bottom end of the water reservoir 322 is embedded in the buffering platform 321. The water reservoir 322 is used for storing water, and in the rainy season, the water in the water reservoir 322 can be pumped out for irrigation of the greening side slope 12, the greening layer 21 and the greening slope protection 31.

The slope of the compacted soil slope 32 at the two ends of the buffer platform 321 can be set to be different, and the slope of one end of the compacted soil slope 32 close to the buffer section 2 can be consistent with the slope of the roadbed soil slope 11, namely the slope is 1: 1.5; the slope of the compacted soil slope 32 at the end away from the buffer 2 should be smaller and may be set to 1:1.75 to provide better stability of the compacted soil slope 32 at the end away from the buffer 2.

Referring to fig. 4 and 6, the top of the first settling tank 4 is communicated with the second settling tank 5 through a first horizontal pipe 42, and the top of the second settling tank 5 is communicated with a reservoir 322 through a second horizontal pipe 52. The first horizontal pipe 42 and the second horizontal pipe 52 are both embedded in the backfill soil layer 23. When the backfill soil layer 23 is backfilled, the first horizontal pipeline 42 and the second horizontal pipeline 52 can be pre-buried. The first horizontal pipe 42 and the second horizontal pipe 52 are used for pouring the settled impoundments in the first settling pond 4 and the second settling pond 5 into the impounding reservoir 322 for further storage. One end of the second horizontal pipe 52 extending into the reservoir 322 is provided with a filter screen for filtering the stored water entering the reservoir 322. After the filter screen is used for a long time, the filter screen can be detached and replaced so as to ensure the filtering effect.

In rainy season, muddy accumulated water on the road enters the drainage ditch 1212 along the water guide groove 1211 on the roadbed supporting section 1, after being filtered by the rainwater grate, the muddy accumulated water enters the first sedimentation tank 4 through the first vertical pipeline 41 for primary sedimentation, and the accumulated water after primary sedimentation enters the second sedimentation tank 5 through the first horizontal pipeline 42.

Meanwhile, the accumulated water on the buffer section 2 is gathered in the collecting channel 241 due to the gradient of the first planting soil layer 24, the accumulated water enters the perforated pipe 242 through the first planting soil layer 24 and the permeable layer 2421 and enters the second sedimentation tank 5 through the second vertical pipeline 51, and the second sedimentation tank 5 further sediments the rainwater in the perforated pipe 242 and the accumulated water from the first sedimentation tank 4. The second settling ponds 5 are provided with two, so that twice settling treatment can be carried out, the water stored in the second settling ponds 5 close to the water storage tank 322 after settling enters the water storage tank 322 along the second horizontal pipeline 52, the water is further stored in the water storage tank 322, and the water stored in the water storage tank 322 is filtered by the filter screen.

The accumulated water in reservoir 322 has a high degree of cleanliness due to multiple settlements and filtrations. In the season with less rainwater, the water storage in the water storage tank 322 can be pumped out and used for irrigating the greening side slope 12, the greening layer 21 and the greening slope protection 31 so as to realize reasonable utilization of water resources and ecological circulation, thereby further enhancing the harmonious effect of roads and original landforms.

The bottom end of the compacted soil slope 32 is provided with a water drainage ditch 323, and the water drainage ditch 323 can be a soil groove body formed by finishing or a concrete groove body formed by pouring. The top end of the water reservoir 322 is provided with a drain pipe 3221 communicated with the drain ditch 323. When the rain season is too much, the water in the reservoir 322 is full, and the drain pipe 3221 is used for discharging the excess stored water in the reservoir 322 to the drain ditch 323, so as to prevent the greening slope protection 31 from being washed due to overflow of the stored water in the reservoir 322.

The implementation principle of a road spoil heap processing system of the embodiment of the application is as follows: during construction, firstly, soil is backfilled on the original landform, the roadbed 6 is constructed, then stones in the excavated soil are backfilled to the side, away from a mountain body, of the roadbed 6 to form a backfilled stone layer 22, and then the excavated soil is backfilled on the backfilled stone layer 22 to form a backfilled soil layer 23. During backfilling, the compacted soil slope 32 is trimmed and formed on the side, away from the mountain, of the backfilling stone layer 22 and the backfilling soil layer 23, and the roadbed soil slope 11 is trimmed and formed on the side, away from the roadbed 6, of the roadbed through the backfilling soil layer 23. And when the backfill soil layer 23 is constructed, the first sedimentation tank 4, the second sedimentation tank 5, the first horizontal pipeline 42, the second horizontal pipeline 52, the first vertical pipeline 41, the second vertical pipeline 51 and the perforated pipe 242 are pre-embedded in the backfill soil layer 23 in advance, meanwhile, the trees 212 are planted in the backfill soil layer 23, then the water storage tank 322 is poured and molded at the buffering platform 321 of the compacted soil slope 32, and then the drain pipe 3221 and the drain ditch 323 are arranged.

Then, a template of the concrete planting frame 121 is built on the roadbed soil slope 11, one end of a bag body of the plant growing bag 122 is fixed to the top end of the template, the other end of the bag body of the plant growing bag 122 is fixed to the bottom end of the template, then plant soil and grass seeds which are prepared in proportion and mixed uniformly are filled into the bag body of the plant growing bag 122, so that the bag body of the plant growing bag 122 is bulged to form a column shape, then the concrete planting frame 121 is poured, and after the concrete planting frame 121 is formed, excavated soil is backfilled into the frame body of the concrete planting frame 121. After the concrete planting frame 121 is poured, the water guide groove 1211 can be formed. And constructing a drainage ditch 1212 at the bottom end of the roadbed soil slope 11.

Then, the first planting soil layer 24 is constructed on the backfill soil layer 23, and then the collection channels 241 and the greening layer 21 are constructed on the first planting soil layer 24. Then, a second planting soil layer 311 is paved on the soil slope 32, and shrubs are planted on the second planting soil layer 311 to form a greening slope protection 31. By arranging the greening side slope 12, the greening layer 21 and the greening revetment 31, the harmonious effect between the road and the original appearance is enhanced, rainwater is collected and reused through the sedimentation tank, the reservoir 322 and the like, and ecological circulation and reasonable utilization of water resources are realized.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A road spoil heap processing system which characterized in that: section (3) are strutted including the road bed to section (1), buffer segment (2) and buffering, section (3) are strutted to the road bed, buffer segment (2) and buffering set up along the direction order of keeping away from road bed (6), section (1) are strutted including afforestation side slope (12) to the road bed, buffer segment (2) are including afforestation layer (21), section (3) are strutted including afforestation bank protection (31) to the buffering.

2. A road spoil heap processing system as claimed in claim 1 wherein: the roadbed supporting section (1) comprises a roadbed soil slope (11), the roadbed soil slope (11) is arranged on one side of the roadbed (6) in the width direction, the greening side slope (12) is arranged on one side of the roadbed soil slope (11) far away from the roadbed (6), the greening side slope (12) comprises a concrete planting frame (121), a plant growing bag (122) and a surface soil layer (123), the concrete planting frame (121) is fixed on the surface of the roadbed soil slope (11), the plant growing bags (122) are arranged side by side along the surface of the roadbed soil slope (11), one end of the plant biological bag (122) is positioned at the top end of the roadbed soil slope (11), the other end of the plant biological bag (122) is positioned at the bottom end of the roadbed soil slope (11), the plant biological bags (122) penetrate through the concrete planting frame (121), the surface soil layer (123) is located in a frame body of the concrete planting frame (121), and the plant biological bags (122) are embedded in the surface soil layer (123).

3. A road spoil heap processing system as claimed in claim 2 wherein: concrete planting frame (121) are equipped with diversion trench (1211) and escape canal (1212), diversion trench (1211) set up in concrete planting frame (121) keep away from one side on road bed soil slope (11), and the one end of diversion trench (1211) is located the top on road bed soil slope (11), and the other end of diversion trench (1211) is located the bottom on road bed soil slope (11), escape canal (1212) set up in the bottom on road bed soil slope (11), diversion trench (1211) are close to the one end and the escape canal (1212) intercommunication of escape canal (1212).

4. A road spoil heap processing system as claimed in claim 3 wherein: buffer segment (2) are including backfilling stone layer (22), backfill soil layer (23) and first planting soil layer (24), backfill soil layer (23) and backfilling stone layer (22) all are located the below of afforestation layer (21), and first planting soil layer (24), backfill soil layer (23) and backfilling stone layer (22) set up along the direction order of keeping away from afforestation layer (21).

5. A road spoil heap processing system as claimed in claim 4 wherein: first planting soil layer (24) slope is arranged, and the high-end one end of being close to road bed support section (1) of first planting soil layer (24), the one end of the low side of first planting soil layer (24) for keeping away from buffering support section (3), one side that backfill soil layer (23) were kept away from in first planting soil layer (24) is equipped with a plurality of collection ditches (241), first planting soil layer (24) are equipped with perforated pipe (242) in the below of collecting ditch (241), perforated pipe (242) are equipped with permeable bed (2421) outward.

6. A road spoil heap processing system as claimed in claim 5 wherein: the buffer supporting section (3) comprises a compacted soil slope (32), the greening slope protection (31) is arranged on the compacted soil slope (32), and the greening slope protection (31) comprises a second planting soil layer (311) and a grass irrigation layer (312) arranged on the second planting soil layer (311).

7. A road spoil heap processing system as claimed in claim 6 wherein: the middle part of compaction slight slope (32) is equipped with buffering platform (321), compaction slight slope (32) are equipped with cistern (322) in buffering platform (321) department, the bottom of cistern (322) inlays to be established in buffering platform (321).

8. A road spoil heap processing system as claimed in claim 7 wherein: the below of escape canal (1212) is equipped with first sedimentation tank (4), the below of perforated pipe (242) is equipped with second sedimentation tank (5), escape canal (1212) is through first vertical pipeline (41) and sedimentation tank intercommunication, perforated pipe (242) are equipped with the vertical pipeline of second (51) that communicates in second sedimentation tank (5), first horizontal pipeline (42) and second sedimentation tank (5) intercommunication are passed through to the top of first sedimentation tank (4), the top of second sedimentation tank (5) is passed through second horizontal pipeline (52) and cistern (322) intercommunication, the one end that second horizontal pipeline (52) stretched into cistern (322) is equipped with the filter screen.

9. A road spoil heap processing system according to claim 8 wherein: a drainage ditch (323) is arranged at the bottom end of the compacted soil slope (32), and a drainage pipe (3221) communicated with the drainage ditch (323) is arranged at the top end of the water storage tank (322).