Cooling ecological side slope pile net structure roadbed

Abstract

The utility model relates to the technical field of road engineering, and particularly discloses a cooling ecological side slope pile net structure roadbed which comprises a heat reflection road surface, a cooling vegetation side slope, a roadbed filling layer, a mattress layer, a pile net structure and a U-shaped drainage structure. The heat reflection road surface is laid on a subgrade filling layer, cooling vegetation side slopes are arranged on the two sides of the subgrade filling layer, geogrids are additionally arranged in the subgrade filling layer to enhance the stability of the subgrade filling layer and prevent cracking, a mattress layer is arranged below the subgrade filling layer, and a pile net structure is arranged below the mattress layer. A threaded structure is arranged at the lower end of the pile net structure pile foundation, so that the pile net can be inserted below the frozen soil upper limit of a frozen soil layer, and U-shaped drainage structures are arranged outside the two sides of the cooling vegetation slope corner. The heat reflection road surface can improve the proportion of reflected solar radiation and prevent heat from being transmitted to the frozen soil layer, vegetation is planted on the two sides of the roadbed, and ecological cooling is achieved. Meanwhile, U-shaped drainage structures are arranged on the two sides of the roadbed, and hydrothermal erosion is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to road engineering technical field, specifically disclose the cooling ecological side slope pile net structure roadbed. BACKGROUND

[0002] At present, permafrost region highway engineering is sensitive to temperature change, and the slight fluctuation of temperature can change its mechanical property, under the background of climate warming, the global average temperature has increased nearly 3 DEG C in the past 50 years, and then the temperature of permafrost under the roadbed in permafrost region inevitably rises generally, the phenomenon of high-temperature high-ice-content permafrost layer also increases continuously, which leads to the large settlement deformation of roadbed and seriously affects the stability of roadbed, so that the vehicle cannot reach the designed speed, and even cannot pass normally.At the same time, the surface water and active layer groundwater are easy to infiltrate into the roadbed, which causes the temperature of the ground soil under the roadbed to rise.In addition, the vegetation in permafrost region is barren.

[0003] Therefore, the high-temperature permafrost roadbed needs to be cooled to ensure the thermal stability of permafrost, so that the upper limit of permafrost does not move obviously, the temperature rising rate of permafrost is controlled, and the large thawing settlement deformation of permafrost region roadbed and the creep settlement deformation of high-temperature permafrost are avoided.Meanwhile, the ecological vegetation is fully utilized, the ecological cooling is realized, and the present situation of barren vegetation on both sides of the roadbed is improved. CONTENT OF THE UTILITY MODEL

[0004] Therefore, the utility model aims at providing the cooling ecological side slope pile net structure roadbed, which can reduce the temperature of high-temperature permafrost road, increase the thermal stability of permafrost, fully utilize the ecological vegetation, realize the ecological cooling, and improve the present situation of barren vegetation on both sides of the roadbed.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: the cooling ecological side slope pile net structure roadbed is characterized by comprising a roadbed unit and a drainage unit arranged above the permafrost layer.

[0006] The roadbed unit and the drainage unit are arranged in parallel, and the drainage unit is located on one side of the roadbed unit.

[0007] The roadbed unit comprises a cushion layer, a lower pile column is arranged below the cushion layer, and a lower pile column tip is arranged at the lower end of the lower pile column.

[0008] A filling layer roadbed filling layer is arranged above the cushion layer, and a grid is arranged inside the filling layer roadbed filling layer.

[0009] A side slope protection layer formed by a plurality of ventilation turns is arranged on the side slope of both sides of the filling layer roadbed filling layer, and a concrete masonry side platform is arranged at the bottom of the side slope of both sides of the filling layer roadbed filling layer.

[0010] The upper end of the side table is provided with a flow guide groove, and one side of the side table is provided with a flow guide channel in close contact;

[0011] The outer side of the slope protection layer is paved with a mesh pile net structure, and the outer side of the mesh pile net structure is paved with a slope greening layer cooling vegetation slope;

[0012] The upper side of the embankment fill layer is paved with a roadbed, the roadbed is built along the roadside position and is provided with a curb, the upper end of the curb is provided with a guardrail, and the upper end surface of the roadbed is further paved with a heat-reflecting pavement;

[0013] The drainage unit comprises a drainage ditch U-shaped drainage structure, the upper side of the drainage ditch U-shaped drainage structure is provided with a drainage channel, and the lower side of the drainage ditch U-shaped drainage structure is provided with an embedded channel;

[0014] The embedded channel is provided with a drainage pipe penetrating through the inside, the surface of the drainage pipe is provided with a plurality of micropores, and the drainage pipe and the embedded channel are filled with a compacting layer.

[0015] Further, the two mesh pile net structures distributed opposite to each other are connected through connecting rods, the end portions of the connecting rods are fixedly connected with the back portions of the pile net structures, and the surfaces of the connecting rods are wrapped with rod sleeves;

[0016] Further, the support posts arranged at the middle positions are provided with anti-loosening frames on both sides.

[0017] Further, the lower end of the support post located at the lowermost end is provided with a connecting seat, and the rod sleeve, the support post and the connecting seat are all half-spliced structures.

[0018] Further, the support posts distributed on the upper and lower sides of the anti-loosening frame are further provided with embedded sleeves penetrating through the inside, the embedded sleeves are provided with threaded rods penetrating through the inside, the two side end faces of the embedded sleeves are provided with threaded sleeves in close contact, the inner sides of the threaded sleeves are threadedly connected with the surfaces of the threaded rods, and the outer ring walls of the threaded sleeves are further fixedly provided with knobs.

[0019] Further, the inside of the connecting seat is provided with an auxiliary pile, the lower end of the auxiliary pile is a tapered structure, and the surface of the auxiliary pile is distributed with a plurality of barbs;

[0020] Further, the inner side of the connecting seat is provided with an internal thread, the upper end of the auxiliary pile is provided with an external thread, and the external thread and the internal thread are fixedly connected through threads.

[0021] The working principle and beneficial effects of the scheme are that: 1, by inserting the lower pile structure in the frozen soil layer, the compaction effect on the frozen soil layer can be improved, the concentrated stress transmitted from the pavement can be diffused to a larger foundation area through the laying of the cushion layer, thereby reducing the compressive stress of the foundation, the grid structure is added in the filling layer of the roadbed, which can improve the tightness of the filling layer of the roadbed, the ventilation brick is laid on the edge skin of the filling layer of the roadbed to form a slope protection layer, which can compact and flatten the slope, and has the effects of ventilation and water permeation, the hanging net pile net structure is added on the slope protection layer, which can be used for bearing and setting the slope greening layer cooling vegetation slope in different areas, the slope greening layer cooling vegetation slope can stabilize the soil, prevent erosion, improve the ecological environment and enhance the aesthetic degree, and can also have a cooling effect, thereby forming a perfect and stable lower structure of the roadbed;

[0022] 2, as described in 1, in order to avoid the hanging net pile net structure on the slope from sliding, curling or deforming after long-term use, a reinforcing link structure is added between the two hanging net pile net structures, the laying stability of the hanging net pile net structure can be ensured through pulling on both sides, and the slope protection layer can be assisted to be compacted, a plurality of links are distributed on the link in an up-down direction, and the plurality of links are integrally connected through the half-splicing structure formed by the rod sleeve and the support, so that the stability of the plurality of links in the filling layer of the roadbed can be ensured, in order to ensure the anti-loosening protection of the front-rear direction and the soil layer, the anti-loosening frame of the T-shaped structure can be used for stabilization, and in order to ensure the anti-loosening protection of the up-down direction and the soil layer, the auxiliary pile is matched with the barb to be stably reinforced.

[0023] 3, as described in 2, the heat-reflecting pavement is laid on the filling layer of the roadbed, the cooling vegetation slope is arranged on both sides of the filling layer of the roadbed, the geogrid is additionally arranged in the filling layer of the roadbed to strengthen the stability of the filling layer of the roadbed and prevent cracking, the cushion layer is arranged below the filling layer of the roadbed, the pile net structure is arranged below the cushion layer, the screw structure is arranged at the lower end of the pile foundation of the pile net structure, so that the pile net can be inserted below the upper limit of the frozen soil of the frozen soil layer, and the U-shaped drainage structure is arranged outside the two sides of the cooling vegetation slope. The heat-reflecting pavement can improve the proportion of reflected solar radiation and block the heat transfer to the frozen soil layer, the vegetation is planted on both sides of the roadbed to realize ecological cooling. Meanwhile, the U-shaped drainage structure is arranged on both sides of the roadbed to prevent water and heat erosion.

[0024] Other advantages, objects and features of the present application will be in part apparent and in part pointed out hereinafter in the specification, and in part will be learned from the practice of the present application, based on the following written description and the attached drawings. The objects and other advantages of the present application can be realized and attained by the means and combinations pointed out in the following specification. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1This is an overall schematic diagram of the embodiment;

[0026] Figure 2 This is a schematic diagram showing the distribution of the roadbed area and drainage area in an embodiment.

[0027] Figure 3 This is an enlarged schematic diagram of point A in the embodiment;

[0028] Figure 4 The road surface and guardrail portions of the embodiment are shown in the schematic diagram;

[0029] Figure 5 This is a schematic diagram of the reinforcement connection of the two-sided hanging net structure in an embodiment;

[0030] Figure 6 For the example Figure 5 Longitudinal cross-section diagram;

[0031] Figure 7 This is an enlarged schematic diagram of point B in the embodiment;

[0032] Figure 8 This is a partially enlarged schematic diagram of the auxiliary pile section in an embodiment.

[0033] The following labels are used in the attached diagram: 1. Frozen soil layer; 2. Roadbed unit; 3. Drainage unit; 20. Cushion layer; 21. Lower pile; 22. Lower pile tip; 23. Roadbed fill layer; 231. Geogrid; 24. Slope protection layer; 25. Side platform; 251. Diversion channel; 252. Diversion passage; 26. Netting structure; 27. Greening layer, cooling vegetation slope; 28. Insulation layer; 281. Curb; 282. Guardrail; 2 83. Heat-reflective pavement; 30. U-shaped drainage structure of drainage ditch; 31. Drainage channel; 32. Compacted layer; 33. Crushed stone blind ditch; 261. Connecting rod; 262. Rod sleeve; 263. Support column; 264. Anti-loosening frame; 265. Connecting seat; 2631. Internal sleeve; 2632. Threaded rod; 2633. Threaded sleeve; 2634. Knob; 2651. Auxiliary pile column; 2652. External thread; 2653. Internal thread; 2654. Barb. Detailed Implementation

[0034] The following detailed description illustrates the specific implementation method:

[0035] Example

[0036] like Figures 1 to 8 As shown, a cooling ecological slope pile network structure roadbed is disclosed, including roadbed unit 2 and drainage unit 3 set above the frozen soil layer 1. The roadbed unit 2 and drainage unit 3 are arranged in parallel, and the drainage unit 3 is located on one side of the roadbed unit 2.

[0037] The roadbed unit 2 comprises a cushion layer 20 capable of diffusing the concentrated stress transmitted by the road surface to a larger foundation area, thereby reducing the compressive stress of the foundation, the cushion layer 20 being filled with multiple layers of sandstone material and having good water permeability and stability, and a lower pile 21 being arranged below the cushion layer 20, the lower pile 21 being provided in a plurality of numbers and being inserted into the frozen soil layer 1, the lower end of the lower pile 21 being provided with a lower pile tip 22, the surface of the lower pile tip 22 being provided with a threaded structure, and the lower pile 21 being in a cylindrical structure and being rotatably inserted into the frozen soil layer 1 to avoid hard insertion and cracking or breaking of the lower pile 21;

[0038] The upper part of the cushion layer 20 is filled with a fill layer roadbed fill layer 23, the fill layer roadbed fill layer 23 being in a stepped structure and being provided with inclined side slopes on both sides, and a geogrid 231 being arranged inside the fill layer roadbed fill layer 23, the geogrid 231 being capable of increasing the bearing capacity of the fill on both upper and lower ends and enhancing the overall strength and stability of the structure and preventing cracking of the fill in the fill layer roadbed fill layer;

[0039] The side slopes on both sides of the fill layer roadbed fill layer 23 are each provided with a side slope protection layer 24 formed by a plurality of ventilation turns, a concrete-built side bench 25 being arranged at the bottom of the side slopes on both sides of the fill layer roadbed fill layer 23, the side bench 25 being arranged in abutment with the lower end of the side slope protection layer 24 and being arranged on the cushion layer 20, the upper end of the side bench 25 being provided with a flow guide groove 251, the flow guide groove 251 being capable of guiding and conveying the water flowing down the side slope, one side of the side bench 25 being arranged in abutment with a flow guide channel 252 also made of concrete, one end of the flow guide channel 252 being arranged in abutment with the side wall surface of the side bench 25, and the side bench 25 being provided with a flow guide hole in communication with the flow guide channel 252 for guiding the water accumulated in the flow guide groove 251 to be discharged through the flow guide hole and the flow guide channel 252;

[0040] The outward side of the side slope protection layer 24 is provided with a hanging net pile net structure 26 made of nylon or stainless steel, preferably stainless steel, which has high hardness and better corrosion resistance and durability, the edge of the hanging net pile net structure 26 being provided with a net frame to ensure higher integrity of the hanging net pile net structure 26 and avoid damage due to disconnection at the edge after long-term use, and the outward side of the hanging net pile net structure 26 being provided with a side slope greening layer cooling vegetation side slope 27, the soil layer of the side slope greening layer cooling vegetation side slope 27 being planted with cooling vegetation based on the side slope protection layer 24, the cooling vegetation being capable of reducing the heat absorption of the roadbed and also playing a role in protecting the ecological environment;

[0041] The upper part of the filling layer 23 of the embankment is paved with a heat insulation layer 28, the heat insulation layer 28 is paved with a curb 281 along the road edge position, the upper end of the curb 281 is provided with a guardrail 282, the curb 281 and the guardrail 282 can ensure the safety of the road surface on both sides after being put into use, and the upper end of the heat insulation layer 28 is further paved with a heat reflective pavement 283, the surface of the heat reflective pavement 283 is coated with a heat reflective coating, the heat insulation layer 28 and the heat reflective pavement 283 are arranged at the top end of the embankment, so as to increase the heat reflection and cooling of the road surface, and greatly reduce the heat absorption of the embankment;

[0042] The drainage unit 3 comprises a drainage ditch U-shaped drainage structure 30, an upper part of the drainage ditch U-shaped drainage structure 30 is provided with a drainage channel 31, a cross-sectional shape of the drainage channel 31 is a wide-mouthed U-shaped structure, the drainage ditch U-shaped drainage structure 30 and located below the drainage channel 31 is provided with an internal passage, the internal passage is provided with a gravel blind ditch 33 inside, the gravel blind ditch 33 comprises a drainage pipe, the drainage pipe and the internal passage are filled with a compacting layer 32, the compacting layer 32 is filled with small-volume sand and gravel, has good water permeability, the upper end of the drainage ditch U-shaped drainage structure 30 is flush with the original road surface, and is vertically distributed with the flow guide channel 252, so that the water guided out by the flow guide channel 252 can be drained away by the drainage unit 3, the drainage ditch U-shaped drainage structure is used for draining surface water, and the gravel blind ditch 33 arranged at the lower end of the drainage ditch U-shaped drainage structure is used for draining active layer groundwater, so as to solve the problems of poor frost resistance and durability of the ordinary drainage ditch U-shaped drainage structure and slope groundwater seepage heat erosion of the frozen soil embankment;

[0043] The two net hanging pile net structures 26 distributed in opposite directions are connected through connecting rods 261, the ends of the connecting rods 261 are fixedly connected with the back of the pile net structure 26, the ends of the connecting rods 261 can be fixed with the net hanging pile net structure 26 in the form of screwing or steel wire binding, a plurality of connecting rods 261 are arranged along the vertical position, so as to further stably connect the two side net hanging pile net structures 26 with the filling layer 23 of the embankment, the surface of the connecting rod 261 is wrapped with a rod sleeve 262, the lower end of the rod sleeve 262 is welded and fixed with a support 263, the support 263 located at the upper layer is welded and fixed with the rod sleeve 262 located at the lower layer, the supports 263 arranged at the middle segment position are both provided with anti-loosening frames 264, the number of the anti-loosening frames 264 is four, and the anti-loosening frames 264 are distributed in the form of two-by-two symmetry along the two sides of the support 263, the anti-loosening frame 264 is a T-shaped frame structure, one end of which is welded and fixed with the surface of the support 263;

[0044] The lower end of the support 263 located at the lowermost end is provided with a connecting seat 265, the upper end of the connecting seat 265 is welded and fixed with the support 263 located at the lowermost end, the rod sleeve 262, the support 263 and the connecting seat 265 are all half-spliced structures, which can be better assembled and operated flexibly according to the construction conditions through the half-splicing form;

[0045] The inner sleeve 2631 is also provided through the support 263 distributed on both sides of the anti-loosening frame 264, the inner sleeve 2631 is also a half-spliced structure, the connection part of the inner sleeve 2631 and the support 263 is fixed by welding, the inside of the inner sleeve 2631 is provided through a threaded rod 2632, the both side end faces of the inner sleeve 2631 are tightly provided with threaded sleeves 2633, the inside of the threaded sleeve 2633 and the surface of the threaded rod 2632 are threadedly connected with each other, the outer ring wall of the threaded sleeve 2633 is further fixed with knobs 2634, the number of the knobs 2634 is two, and the knobs 2634 are uniformly distributed on the outside of the threaded sleeve 2633, the half-spliced structure can be locked and fixed through the cooperation of the threaded sleeves 2633 and the threaded rod 2632 on both sides, and the knobs 2634 are manually operated, so that the construction can be further simplified, and the stability of the structure after installation is ensured.

[0046] The inside of the connecting seat 265 is provided with an auxiliary pile 2651, the lower end of the auxiliary pile 2651 is a conical structure, the surface of the auxiliary pile 2651 is distributed with a plurality of barbs 2654, the barbs 2654 can be embedded in the embankment filling layer 23 after the embankment filling layer 23, and have an anti-falling and reinforcing connection effect, one end of the barb 2654 is fixed with the surface of the auxiliary pile 2651 through a screw, the inside of the connecting seat 265 is provided with an internal thread 2653, the upper end of the auxiliary pile 2651 is provided with an external thread 2652, and the external thread 2652 and the internal thread 2653 are fixed through threads.

[0047] In specific implementation

[0048] The embankment unit 2 is laid above the frozen soil layer 1, the lower layer pile 21 is first inserted into the frozen soil layer 1, the lower layer pile 21 can be rotatably inserted into the frozen soil layer 1 through the lower layer pile tip 22 and the threaded structure provided thereon, so that the damage of the lower layer pile 21 caused by conventional vertical and rigid insertion is avoided, after the lower layer pile 21 is inserted, the frozen soil layer 1 in the construction area can be more compact, then the lowermost layer is the bedding course 20, the soil layer is backfilled above the bedding course 20 to form the embankment filling layer 23, and the geotechnical geogrid 231 is additionally arranged in the embankment filling layer 23, the geotechnical geogrid 231 can reinforce the soil, improve the bearing capacity and stability of the soil, through the interaction with the soil, the geotechnical geogrid 231 can disperse the load, reduce the deformation and displacement of the soil, then a plurality of ventilation bricks are arranged on the side slope of the embankment filling layer 23 to build the side slope protection layer 24, which can compact and level the soil side slope, then the hanging net pile structure 26 is laid and fixed on the side slope protection layer 24, and the planting and laying of the side slope greening layer and the cooling vegetation side slope 27 are performed, the arrangement of the side slope greening layer and the cooling vegetation side slope 27 can stabilize the soil, reduce the heat absorption degree of the embankment, prevent erosion, and improve the ecological environment.

[0049] The side table 25 structure is added at the lower end of the slope, which can support and compact the lower end of the slope protection layer 24, and avoid the situation that the slope protection layer 24 slides and loosens. The upper end of the side table 25 is provided with a flow guide groove 251, which can be used for guiding and collecting the water flowing down the slope, avoiding long-term accumulation at the lower end of the slope, and causing the soil of the slope to loosen and collapse. The side table 25 is further provided with a flow guide channel 252, which can be used for drainage work of the flow guide groove 251, so that it can guide the water flowing down the slope to the drainage unit 3. The drainage unit 3 can realize the effect of layered drainage through the U-shaped drainage structure 30 and the gravel blind ditch 33. The surface water is discharged through the U-shaped drainage structure 30, and the active layer groundwater is discharged through the gravel blind ditch 33, solving the problems of poor frost resistance and durability of ordinary U-shaped drainage structure and slope groundwater seepage heat erosion of frozen soil subgrade.

[0050] In order to further improve the hanging net pile net structure 26 distributed along the two sides of the slope, which is not easy to be lifted or slide off, when the filling layer subgrade filling layer 23 is pre-buried, the structure of connecting rod 261 is added to the bracket of the hanging net pile net structure 26 on both sides, which can be considered as pulling on both sides and protecting each other from sliding. Since the slope protection layer 24 attached to the hanging net pile net structure 26 is made of several ventilation bricks, the actual stability is not high enough. Therefore, the connecting rod 261 not only stabilizes the hanging net pile net structure 26 itself, but also has the effect of connecting and pulling inward, which also ensures the compression and reinforcement of the slope protection layer 24. The connecting rod 261 is distributed in multiple upper and lower positions, which can ensure the reinforcement and fixation of multiple positions. The half-spliced rod sleeve 262, support 263 and adapter seat 265 can be spliced, and the multiple connecting rods 261 distributed in the upper and lower positions are integrally connected. Then, the threaded rod 2632 is inserted into the corresponding built-in sleeve 2631, and the threaded sleeve 2633 and the threaded rod 2632 on both sides are screwed, which can realize the locking of the half-spliced structure.

[0051] In order to ensure the stability of the connecting rod 261 after integral connection with the upper and lower filling layer subgrade filling layer 23, the auxiliary pile 2651 and the adapter seat 265 are installed, and the outer thread 2652 and the inner thread 2653 are screwed with each other, which can realize the embedding of the auxiliary pile 2651 in the filling layer subgrade filling layer 23, and the cooperation of the barb 2654 can realize the anti-dropping protection of the upper and lower positions with the soil layer.

[0052] The heat insulation layer 28 and the heat reflective pavement 283 are laid above the filling layer subgrade filling layer 23. The surface of the heat reflective pavement 283 is coated with a heat reflective coating. The heat insulation layer 28 and the heat reflective pavement 283 are arranged at the top of the subgrade, which can increase the heat reflection and cooling of the pavement, and greatly reduce the heat absorption of the subgrade.

[0053] The above only is the embodiment of the present application, and the well-known specific structure and characteristics and other common knowledge in the scheme are not described in detail here. It should be pointed out that for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicability of the present application.

Claims

1. A cooling ecological slope pile-net structure subgrade, characterized in that: The application relates to a roadbed unit and a drainage unit arranged above a frozen soil layer. The roadbed unit and the drainage unit are arranged in parallel, and the drainage unit is arranged on one side of the roadbed unit. The roadbed unit comprises a cushion layer, and a lower layer pile is arranged below the cushion layer, and a lower layer pile tip is arranged at the lower end of the lower layer pile. A filling layer roadbed filling layer is arranged above the cushion layer, and a geogrid is arranged in the filling layer roadbed filling layer. A slope protection layer is arranged on the side slope of the filling layer roadbed filling layer, and a concrete built side platform is arranged at the bottom of the side slope of the filling layer roadbed filling layer. A guide groove is arranged at the upper end of the side platform, and a guide channel is arranged on one side of the side platform. A mesh pile structure is arranged on the outward side of the slope protection layer, and a slope greening layer cooling vegetation slope is arranged on the outward side of the mesh pile structure. A heat insulation layer is arranged above the filling layer roadbed filling layer, a curb is built along the roadside position of the heat insulation layer, a guardrail is arranged at the upper end of the curb, and a heat-reflecting pavement is arranged on the upper end surface of the heat insulation layer. The drainage unit comprises a drainage ditch U-shaped drainage structure, a drainage channel is arranged above the drainage ditch U-shaped drainage structure, and an internal channel is arranged below the drainage ditch U-shaped drainage structure and the drainage channel. A gravel blind ditch is arranged in the internal channel, and a compacting layer is filled between the gravel blind ditch and the internal channel.

2. The cooling ecological side slope pile-net structure roadbed according to claim 1, characterized in that: Two mesh pile structures arranged in opposition are connected through connecting rods, the end portions of the connecting rods are fixedly connected with the back portions of the mesh pile structures, and rod sleeves are wrapped on the surfaces of the connecting rods.

3. The cooling ecological side slope pile-net structure roadbed according to claim 2, characterized in that: Anti-loosening frames are arranged on the two sides of the support arranged at the middle position.

4. The cooling ecological side slope pile-net structure roadbed according to claim 3, characterized in that: An engaging seat is arranged at the lower end of the lowermost support, and the rod sleeve, the support and the engaging seat are half-spliced structures.

5. The cooling ecological side slope pile-net structure subgrade according to claim 4, characterized in that: An internal sleeve is further arranged in the support arranged on the upper and lower sides of the anti-loosening frame, a threaded rod is arranged in the internal sleeve, threaded sleeves are tightly arranged on the two side end faces of the internal sleeve, the internal sleeve and the threaded rod are threadedly connected with each other, and knobs are further fixed on the outer wall of the threaded sleeve.

6. The cooling ecological side slope pile-net structure roadbed according to claim 5, characterized in that: An auxiliary pile is arranged in the engaging seat, the lower end of the auxiliary pile is a conical structure, and a plurality of barbs are arranged on the surface of the auxiliary pile.

7. The cooling ecological side slope pile-net structure roadbed according to claim 6, characterized in that: An internal thread is arranged on the inner side of the engaging seat, an external thread is arranged on the upper end of the auxiliary pile, and the external thread and the internal thread are fixed through threads.

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