CN110552356A - comprehensive treatment system for slope slag adhering under plateau area road and construction method thereof - Google Patents

Abstract

The invention provides a system for comprehensive treatment of slag hanging on lower slopes of roads in plateau areas and a construction method thereof. seeding layer, nutrient bag and cut-off drainage ditch, the slag-blocking facilities are arranged at the slope foot of the slag pile to play the role of blocking the slag body; the lower end of the slope repair surface layer is arranged on two levels close to the bottom platform to ensure Slag stable lattice slope protection; the top of the slag heap is provided with a top platform, and a hole is opened on the exposed slope between the top platform and the road to install a nutrition bag; the guest soil spraying layer is sprayed on the nutrient on the exposed slope around the bag. The treatment method of the invention is systematic and comprehensive, and has good treatment effect. The control measures are simple, and can be widely used in the treatment of hanging slag on the lower slope of highways and the reinforcement and treatment of loose accumulations in high slopes. The application range is wide and the generalization is strong.

Description

A comprehensive treatment system and construction method for hanging slag on the slope of the road in the plateau area

technical field

The invention relates to a system and a method for comprehensively treating dregs on downside slopes of roads, in particular to a system and a construction method for comprehensively treating dregs on downside slopes of roads in plateau areas.

Background technique

Roads built in plateau areas generally meander between mountains and valleys. During the road construction process, the excavated slag will inevitably be scattered into the gullies and slopes on the lower side of the road, forming slag hanging on the slope, occupying and destroying the original surface vegetation. At the same time, due to limited traffic conditions, it is difficult to transport the slag, which makes it difficult to transport the hanging slag to the designated waste slag yard in time.

The height of the dross on the slope is generally higher than 20m, and it is loosely attached to the surface of the slope and the ditch. During the flood season, it is washed by mountain torrents, and part of the dregs quickly enters the slope foot or even the lower side of the ditch, river and farmland from the top of the slope, which is easy to cause Water and soil loss hazards; in the windy season, scum enters the surrounding area, reducing the surrounding air environment quality and aggravating the damage to the surrounding ecology (see Figure 1 for the status of scum hanging on a road slope).

Therefore, there is an urgent need to develop a comprehensive control system and construction method for dregs on slopes under roads. The principle is simple, the construction is fast, and the requirements for the lasting stability of dregs on slopes and the rapid restoration of ecology are met.

Contents of the invention

The purpose of the present invention is to provide a comprehensive treatment system and construction method for dross hanging on road slopes in plateau areas, which can meet the requirements of long-term stability and rapid ecological restoration of dregs hanging on road slopes, and provide a solution for high slope dregs The plan provides a way of thinking for the comprehensive treatment of slag hanging on the slope of the road.

Technical scheme of the present invention:

A system for comprehensive treatment of slag hanging on lower slopes of roads in plateau areas, characterized in that it includes slag piles, slag blocking facilities, bottom platforms, lattice slope protection, slope repair surface layers, top surface platforms, guest soil spraying layers, nutrition bags and Cut gutters.

The slag blocking facilities are arranged at the slope foot of the slag pile to play the role of blocking the slag body;

A bottom platform is formed between the slope toe of the slag pile and the slag blocking facility;

The slope repair surface layer is laid on the surface of the slag pile, and the slope repair surface layer is arranged in multiple stages from top to bottom;

The lower end of the slope repair surface layer is arranged on the two levels close to the bottom platform to ensure the stability of the slag body with lattice slope protection;

The top of the slag heap is provided with a top platform, and a hole is opened on the exposed slope between the top platform and the road to install a nutrition bag;

The guest soil spraying layer is sprayed on the bare slope around the nutrition bag;

The cut-off drainage ditch is set on the side slope under the road, the horse track and the surrounding area of the slag hanging area, which is used to intercept and guide the road, the slag pile slope and the surrounding slope to collect water, and reduce the water flow to scour the slag pile area.

The top width of the slag blocking facility is 1.5m, and the wall height is 5.0m. The foundation of the slag blocking facility is buried at a depth of 1.5m below the original ground line. 0.4.

Arbors are planted and grass seeds are sown on the bottom platform and the top platform to restore vegetation.

The slope slope ratio of the slope repair surface layer is 1:1.5-1:2.5, and the single-stage slope height is 10-15m.

The lattice slope protection includes a top beam, a bottom beam, a lattice beam and joint bars, the top beam is built on the top of the two-level slope at the bottom of the slope repair surface, and the bottom beam is built on the slope of the slope repair surface. foot, pouring lattice beams between the top beam and the bottom beam, the lattice beams are arranged crosswise, the node inserting bars are arranged at the intersections of the lattice beams, the node inserting bars are inserted into the slag pile, and the lattice The space enclosed by the intersecting beams is filled with a nutrient soil layer, the row spacing of the lattice beams is 3.0m×3.0m, and the cross-sectional area is 0.4m×0.4m.

The distance between the nutrition bags is 1.0m×1.0m, arranged in a plum blossom shape, and the spraying thickness of the guest soil spraying layer is 10cm.

A construction method of a system for comprehensive treatment of slag hanging on slopes under roads in plateau areas, comprising the following specific steps:

S1. Construction preparation, renovation of existing or new construction access roads, meeting the requirements for construction machinery and material transportation, meeting the requirements for water supply, electricity supply, access, ventilation, communication, and site leveling, and creating conditions for the start of the project;

S2. For the construction of slag-blocking facilities, first stake out according to the axis, and use excavators to excavate the foundation; secondly, for concrete jumping construction, use steel formwork to set up the formwork, and use pump trucks to directly pump concrete into the warehouse, vibrate and compact in layers ;Finally, take straw bag covering, watering and other maintenance measures until the concrete reaches 28 days of age, then remove the formwork;

S3. For the construction of intercepting drainage ditches, stake out according to the axis first; for the surrounding drainage ditches, manual excavation shall prevail, and for local rock areas, manual drilling and blasting shall be used; , manual excavation is adopted. After the excavation is completed, the steel formwork is used to form the formwork, and the concrete is pumped into the warehouse by means of pump truck + pipeline, and it is vibrated and compacted in layers; finally, maintenance measures such as straw bag covering and watering are taken until After the concrete reaches 28 days of age, remove the formwork;

S4. For the slag turning and slope repairing construction of the slope repair surface layer, according to the current distribution of hanging slag on the slope surface, the slag turning will be carried out from top to bottom. During the slag turning process, the slag slope is leveled into a single-level or multi-level slope according to the status of the slag hanging after dumping, and the slope repair must be carried out from top to bottom to ensure the balance of excavation and filling as much as possible;

S5. For lattice slope protection construction, firstly carry out lattice beam lofting and manual slotting; secondly, lay lattice reinforcement cages in the grooves, pre-embed inserting bars at lattice beam nodes, and lap and bind the end of inserting bars and the reinforcement cage ; Use steel formwork to set up the formwork, and use pump truck + pipeline to pump concrete into the warehouse, vibrate and compact in layers; finally, take straw bag covering, watering and other maintenance measures until the concrete reaches 28 days of age, then remove the formwork ;

S6. For the construction of nutrition bags, first carry out stakeout of nutrition bag acupoints and dig holes with a drilling rig, then put the packed nutrition bags into the holes, fix the short anchor rods and protect the surface with lead wire mesh;

S7. For the construction of guest soil spraying layer, first fix the guest soil spraying machine, and put the material of guest soil aggregate structure into the guest soil spraying machine and mix evenly; secondly, lay a layer of barbed wire on the slope surface, and use artificial back spray gun Spray evenly mixed foreign soil slurry around the nutrition bag in turn; after spraying, cover with non-woven fabric, and properly use atomized water droplets to spray and maintain according to the weather conditions;

S8. For the construction of plant measures, first carry out stakeout of arbor and shrub acupoints, and dig holes or fish scale pits; secondly, spread a layer of 10cm thick farmyard manure on the bottom of the hole, put arbor and shrub saplings into the hole, cover with nutrient soil, and manually tamp the surface . According to the climatic conditions, the seedling tending measures such as sun protection and irrigation should be adopted appropriately.

In the step S6, the nutritional bag is an anti-aging geotechnical bag with a size of 60cm×40cm×25cm, filled with nutrient soil, shrub seeds and nutrients, wherein each bag of nutrient soil is 0.05m ³ , shrub seeds 0.6g, Grass seeds 2.4g, water-retaining agent 0.5g, organic fertilizer 0.005m ³ , chemical fertilizer 27g, the nutrition bag is buried by digging holes, the hole spacing is 1.0m×1.0m, and it is arranged in a plum blossom shape, the long diameter of the hole is 0.6m, and the short diameter is 0.4m. , the depth of the hole is 0.1m, and each nutrition bag is fixed with 2 short anchor rods, and the surface is protected by lead wire mesh.

In the step S7, the spraying thickness of the foreign soil spraying layer is 10cm, and in every m ² spraying area, ordinary Portland cement is 6kg, sand is 2kg, planting soil is ^0.006m3 , organic matter is ^0.002m3 , and wood fiber is 200g , shrub seeds 3g, grass seeds 9g, spread a layer of barbed wire on the slope surface before spraying in guest soil;

In the step S8, the combination of shrubs and grasses is used to restore the vegetation on the slope repair surface layer and in the lattice slope protection, among which the shrubs choose Jinlumei and Caragana japonica, the mixing ratio is 1:1, the spacing between plants and rows is 1.0m×1.0m, and fish scales are used. Pit site preparation, hole specifications, long diameter x short diameter x hole depth: 0.6m x 0.4m x 0.5m; sow grass seeds under the forest, choose Elymus pachycarpa, bluegrass cold field, and old wheat awn, and the mixed sowing ratio is 2 :1:2, seeding rate 200kg/hm ² , plant trees and sow grass seeds on the bottom platform and top platform to restore vegetation, among which trees choose willows and poplars, mixed between plants, and the distance between plants and rows is 3.0m×3.0m. Digging holes for soil preparation, hole specifications, hole diameter × hole depth is 0.8m×0.8m; grass seeds are sown under the forest, and the grass seeds are Elymus chinensis, bluegrass, and old awns, and the mixed sowing ratio is 2:1:2. The seeding rate is 200kg/hm ² .

Compared with prior art, the beneficial effect of the present invention is:

(1) The governance method is systematic and comprehensive, and the governance effect is good. The comprehensive management measures of engineering, plants and ecological slope protection can be used to stabilize the slag first and then restore the vegetation. On the basis of comprehensive protection of the slag on the slope, the vegetation on the slope can be quickly restored, and the damage to the surrounding ecological environment can be greatly slowed down. ; After treatment, it can achieve the requirements of lasting stability and rapid ecological restoration of the side slope hanging slag.

(2) The scope of application is wide. The control measures are simple, and can be widely used in the treatment of hanging slag on the lower slope of highways and the reinforcement and treatment of loose accumulations in high slopes. The application range is wide and the generalization is strong.

(3) The construction is simple and fast. Concrete, steel bars, geotechnical bags, nutrient soil, shrub and grass seeds, tree and shrub saplings used in this comprehensive treatment measure can all be directly purchased; the construction process is simple, and the construction is simple and convenient.

Description of drawings

Figure 1 is the current situation of slag hanging on the lower slope of a highway.

Fig. 2 is a schematic plan layout diagram of a system for comprehensive treatment of slag hanging on slopes of roads in plateau areas according to the present invention.

Fig. 3 is a schematic cross-sectional view of a system for comprehensive treatment of slag hanging on slopes of roads in plateau areas according to the present invention.

Fig. 4 is a structural schematic diagram of the slag blocking facility of the present invention.

Fig. 5 is a schematic diagram of the arrangement inside the lattice slope protection of the present invention.

FIG. 6 is a schematic cross-sectional view along line A-A of FIG. 5 .

FIG. 7 is a schematic cross-sectional view along B-B of FIG. 5 .

FIG. 8 is a schematic cross-sectional view of C-C in FIG. 5 .

FIG. 9 is a schematic cross-sectional view along D-D of FIG. 5 .

Fig. 10 is a schematic cross-sectional view of the nutrition bag and guest soil spraying layer of the present invention.

Fig. 11 is a schematic plan view of the nutrition bag and guest soil spraying layer of the present invention.

The numbers in the figure indicate respectively, 1-slag heap, 2-slag blocking facilities, 3-bottom platform, 4-lattice slope protection, 5-slope repair surface layer, 6-top platform, 7- guest soil spraying layer, 8 -Nutrition bag, 9-Cut drainage ditch, 10-Road.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in Figures 1 to 11, a system for comprehensive treatment of slag hanging on the lower slope of roads in plateau areas according to a specific embodiment of the present invention includes a slag pile 1, a slag blocking facility 2, a bottom platform 3, a lattice slope protection 4, and a slope repair surface Layer 5, top platform 6, foreign soil spraying layer 7, nutrition bag 8, intercepting drainage ditch 9 and road 10.

The slag blocking facility 2 is arranged at the foot of the slope of the slag pile 1 to play the role of blocking the slag body;

A bottom platform 3 is formed between the slope toe of the slag pile 1 and the slag blocking facility 2;

The slope repair surface layer 5 is laid on the surface of the slag pile 1, and the slope repair surface layer 5 is arranged in multiple stages from top to bottom;

The lower end of the slope repair surface layer 5 is arranged on the two stages close to the bottom platform 3 to ensure the stability of the slag body with a lattice structure revetment 4;

The top of the slag pile 1 is provided with a top platform 6, and a nutrition bag 8 is installed on the bare slope between the top platform 6 and the road 10;

The guest soil spraying layer 7 is sprayed on the bare slope around the nutrition bag 8;

The cut-off drainage ditch 9 is set on the side slope under the road 10, the bridleway and the surrounding areas of the slag hanging area, and is used to intercept and guide the road 10, the slope of the slag pile 1 and the surrounding slopes to collect water, so as to reduce the flow of water to scour the slag pile area.

The top width of the slag blocking facility 2 is 1.5m, and the wall height is 5.0m. The foundation of the slag blocking facility 2 is buried at a depth of 1.5m below the original ground line. The ratio is 1:0.4.

Arbors are planted and grass seeds are sown on the bottom platform 3 and the top platform 6 to restore vegetation.

The slope ratio of the slope repair surface layer 5 is 1:1.5-1:2.5, and the single-stage slope height is 10-15m.

Described lattice structure slope protection 4 comprises top beam 41, bottom beam 42, lattice beam 43 and node inserting rib 44, and described top beam 41 is built on the top of the two-stage side slope of repairing surface layer 5 bottom, and bottom beam 42 Build at the slope foot of the slope repair surface layer 5, pour lattice beams 43 between the top beam 41 and the bottom beam 42, the lattice beams 43 are arranged crosswise, and the node inserting ribs 44 are arranged at the intersections of the lattice beams 43, The node inserting bars 44 are inserted into the slag pile 1, and the space enclosed by the intersecting arrangement of the lattice beams 43 is filled with a nutrient soil layer 45, and the row spacing of the lattice beams 43 is 3.0m×3.0m. The cross-sectional area is 0.4m×0.4m. C25 reinforced concrete is used for cast-in-place, and 10cm is embedded in the slag body; a cut-off groove 46 is arranged on one side of the lattice beam 43, and the cross-sectional area of the cut-off groove 46 is 0.1m×0.58m. One body), embedded in the slag body 10cm; the cross-sectional area of the top beam 41 is 0.3m×0.4m, using C25 reinforced concrete cast-in-place (integrated with the lattice beam 43), embedded in the slag body 10cm; the bottom beam 42 is polygonal, with a height of 0.7 m, with a width of 0.5-0.71m, using C25 reinforced concrete cast-in-place (integrated with the lattice beam 43); the node insertion bar 44 adopts HRB400 grade rebar with a diameter of 25mm and L=4.5m.

The nutrient bags 8 are arranged at a distance of 1.0m×1.0m in a plum blossom shape, and the spraying layer 7 of foreign soil is 10cm thick.

A construction method of a system for comprehensive treatment of slag hanging on slopes under roads in plateau areas, comprising the following specific steps:

S1. Construction preparation, renovation of existing or new construction access roads, meeting the requirements for construction machinery and material transportation, meeting the requirements for water supply, electricity supply, access, ventilation, communication, and site leveling, and creating conditions for the start of the project;

S2. For the construction of the slag blocking facility 2, firstly carry out lofting according to the axis, and excavate the foundation with an excavator; secondly, for the concrete jumping construction, use steel formwork to set up the formwork, and use a pump truck to directly pump the concrete into the warehouse, and vibrate in layers Dense; finally, take straw bag covering, watering and other maintenance measures until the concrete reaches 28 days of age, then remove the formwork;

S3. For the construction of cut-off drainage ditch 9, stake out according to the axis first; manual excavation shall be used for surrounding drainage ditches, and manual drilling and blasting shall be used for local rocky areas; Finally, manual excavation is adopted. After the excavation is completed, the steel formwork is used to set up the formwork, and the concrete is pumped into the warehouse by means of pump trucks and pipelines, and the concrete is vibrated and compacted in layers. Finally, maintenance measures such as straw bag covering and watering are taken. Remove the formwork until the concrete reaches 28 days of age;

S4. For the slag turning and slope repairing construction of the slope repair surface layer 5, according to the current distribution of the hanging slag on the slope surface, the slag turning will be carried out from top to bottom. ;During the slag turning process, the slag slope is leveled into a single-level or multi-level slope according to the status of the slag hanging after the dumping, and the slope repair must be carried out from top to bottom to ensure the balance of excavation and filling as much as possible;

S5. For the construction of lattice slope protection 4, firstly carry out lattice beam lofting and manual slotting; secondly, lay lattice reinforcement cages in the grooves, pre-embed inserting bars at lattice beam nodes, and overlap the ends of inserting bars with the reinforcement cages Binding; steel formwork is used to set up the formwork, and the concrete is pumped into the warehouse by pump truck + pipeline, and it is vibrated and compacted in layers; finally, maintenance measures such as straw bag covering and watering are taken until the concrete reaches 28 days of age, and then demolished template;

S6. For the construction of nutrition bag 8, first carry out stakeout of nutrition bag acupoints and dig holes with a drilling rig, then put the packed nutrition bag into the hole, fix the short anchor rods and protect the surface with lead wire mesh;

S7. For the construction of guest soil spraying layer 7, first fix the guest soil spraying machine, and put the material of guest soil aggregate structure into the guest soil spraying machine to mix evenly; secondly, lay a layer of barbed wire on the slope surface, and use artificial back Spray the well-mixed foreign soil slurry evenly around the nutrition bag in turn by means of a spray gun; after the spraying is completed, cover it with non-woven fabrics, and properly use atomized water droplets to spray and maintain according to the weather conditions;

S8. For the construction of plant measures, first carry out stakeout of arbor and shrub acupoints, and dig holes or fish scale pits; secondly, spread a layer of 10cm thick farmyard manure on the bottom of the hole, put arbor and shrub saplings into the hole, cover with nutrient soil, and manually tamp the surface . According to the climatic conditions, the seedling tending measures such as sun protection and irrigation should be adopted appropriately.

In the step S6, the nutritional bag 8 is an anti-aging geotechnical bag with a size of 60cm×40cm×25cm, filled with nutritious soil, shrub seeds and nutrients, wherein each bag of nutritious soil is 0.05m ³ and shrub seeds are 0.6g , grass seeds 2.4g, water-retaining agent 0.5g, organic fertilizer 0.005m ³ , chemical fertilizer 27g, nutrition bags 8 are buried by digging holes, the hole spacing is 1.0m×1.0m, and it is arranged in a plum blossom shape. The long diameter of the holes is 0.6m, and the short diameter 0.4m, the hole depth is 0.1m, each nutrition bag 8 is fixed with 2 short anchor rods, and the surface is protected with lead wire mesh.

In the step S7, the spraying thickness of the guest soil spraying layer 7 is 10cm. In every m2 spraying area, ordinary Portland cement is 6kg, sand is ^2kg , planting soil is ^0.006m3 , organic matter is ^0.002m3 , wood fiber 200g, 3g of shrub seeds, and 9g of grass seeds. Before spraying in guest soil, spread a layer of barbed wire on the slope;

In the step S8, a combination of shrubs and grasses is used to restore vegetation on the slope repair surface layer 5 and in the lattice slope protection 4, wherein the shrubs are Jinlumei and Caragana japonica, the mixing ratio is 1:1, and the spacing between plants and rows is 1.0m×1.0m. Use fish scale pits for land preparation, hole specifications, long diameter x short diameter x hole depth is 0.6m x 0.4m x 0.5m; sow grass seeds under the forest, choose Elymus chinensis, bluegrass cold field, old awn, mixed sowing The ratio is 2:1:2, the seeding rate is 200kg/hm ² , plant trees and sow grass seeds on the bottom platform 3 and the top platform 6 to restore vegetation, among which trees choose willows and poplars, and the interplants are mixed, and the distance between plants and rows is 3.0m× 3.0m, digging holes for site preparation, hole size, hole diameter × hole depth is 0.8m×0.8m; grass seeds are sown under the forest, and the grass seeds are Elymus chinensis, bluegrass, and old awn, and the mixed sowing ratio is 2: 1:2, seeding rate 200kg/hm ² .

Although examples of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variants, the scope of the invention is defined by the appended claims and their equivalents.

Claims (10)

1. A comprehensive treatment system for slag hanging on slopes of roads in plateau areas, characterized in that it includes slag piles (1), slag blocking facilities (2), bottom platforms (3), lattice slope protection (4), and slope repair surface layers (5), top platform (6), foreign soil spraying layer (7), nutrition bag (8), intercepting drainage ditch (9) and road (10), The slag blocking facility (2) is arranged at the slope foot of the slag pile (1) to play the role of blocking the slag body; A bottom platform (3) is formed between the slope toe of the slag pile (1) and the slag blocking facility (2); The slope repair surface layer (5) is laid on the surface of the slag pile (1), and the slope repair surface layer (5) is arranged in multiple stages from top to bottom; The lower end of the slope repair surface layer (5) is arranged on the two stages close to the bottom platform (3) to ensure the stability of the slag body with a lattice revetment (4); The top of the slag pile (1) is provided with a top platform (6), and a nutrition bag (8) is installed on the exposed slope between the top platform (6) and the road (10); The guest soil spraying layer (7) is sprayed on the bare slope around the nutrition bag (8); The intercepting drainage ditch (9) is set on the side slope under the road (10), the horse road and the surrounding areas of the slag hanging area, and is used for intercepting and guiding the road (10), the slope of the slag pile (1) and the surrounding slope to catch water, Reduce water flow to scour the slag dump area. 2. A kind of system for comprehensive treatment of slag hanging on slopes of roads in plateau areas according to claim 1, characterized in that the slag blocking facility (2) has a top width of 1.5m and a wall height of 5.0m, wherein the slag blocking facility (2) ) foundation is buried at a depth of 1.5m below the original ground line, and the slag-stopping facility (2) has a side slope ratio of 1:0.1 to the slag and a side slope ratio of 1:0.4 to the slag. 3. The system for comprehensive treatment of slag hanging on the lower slope of roads in plateau areas according to claim 1, characterized in that, on the bottom platform (3) and the top platform (6), trees are planted and grass seeds are sowed in order to restore vegetation. 4. A system for comprehensive treatment of slag hanging on slopes of roads in plateau areas according to claim 1, characterized in that, the slope slope ratio of the slope repair surface layer (5) is 1:1.5 to 1:2.5, and the single The grade slope height is 10~15m. 5. A kind of plateau area road downside slope hanging slag comprehensive control system according to claim 4, is characterized in that, described lattice structure slope protection (4) comprises top beam (41), bottom beam (42), lattice beam (43) and node inserting ribs (44), described top beam (41) is built on the top of the two-level slope at the bottom of the slope repair surface layer (5), and the bottom beam (42) is built on the slope repair surface layer (5) ), pour lattice beams (43) between the top beam (41) and the bottom beam (42), the lattice beams (43) are arranged crosswise, and the node inserting bars (44) are arranged on the lattice beams ( 43), the node inserting bars (44) are inserted into the slag pile (1), and the space enclosed by the intersecting arrangement of the lattice beams (43) is filled with a nutrient soil layer (45). The spacing between the beams (43) is 3.0m * 3.0m, and the cross-sectional area is 0.4m * 0.4m. 6. A system for comprehensive treatment of slag hanging on slopes of roads in plateau areas according to claim 5, characterized in that, the nutrition bags (8) are arranged in a plum blossom pattern at a distance of 1.0m×1.0m, and the guest soil spraying The sowing layer (7) is sprayed with a thickness of 10cm. 7. A construction method for a comprehensive management system of slag hanging on slopes of roads in plateau areas, characterized in that it comprises the following specific steps: S1. Construction preparation, renovation of existing or new construction access roads, meeting the requirements for construction machinery and material transportation, meeting the requirements for water supply, electricity supply, access, ventilation, communication, and site leveling, and creating conditions for the start of the project; S2. For the construction of slag-blocking facilities (2), first stake out according to the axis, and use excavators to excavate the foundation; secondly, for concrete jumping construction, use steel formwork to set up formwork, and use pump trucks to directly pump concrete into the warehouse, layering Vibrate and compact; finally, take maintenance measures such as covering with straw bags and watering until the concrete reaches 28 days of age, and then remove the formwork; S3. For the construction of the intercepting drainage ditch (9), first carry out lofting according to the axis; manual excavation shall be used for surrounding drainage ditches, and manual drilling and blasting construction shall be used for local rocky areas; After the slope is completed, manual excavation is adopted. After the excavation is completed, the steel formwork is used to set up the formwork, and the concrete is pumped into the warehouse by means of pump trucks and pipelines, and the concrete is vibrated and compacted in layers; finally, maintenance such as straw bag covering and watering are adopted Measures, until the concrete reaches 28 days of age, remove the formwork; S4. For the slag turning and slope repairing construction of the slope repair surface layer (5), according to the current distribution of hanging slag on the slope surface, the slag turning will be carried out from top to bottom. Mainly; in the process of slag dumping, according to the status of slag hanging after dumping, the slag slope is leveled into a single-level or multi-level slope, and the slope repair must be carried out from top to bottom to ensure the balance of excavation and filling as much as possible; S5. For the construction of lattice slope protection (4), first carry out lattice beam lofting and manual slotting; secondly, lay lattice reinforcement cages in the grooves, pre-embed inserting bars at lattice beam nodes, and place the end of inserting bars and the reinforcement cage Lap joint binding; steel formwork is used to set up the formwork, and the concrete is pumped into the warehouse by means of pump truck + pipeline, and it is vibrated and compacted in layers; finally, maintenance measures such as straw bag covering and watering are taken until the concrete reaches 28 days of age , remove the template; S6. The nutrition bag (8) construction, first carry out the nutrition bag acupoint stakeout and adopt the drilling rig to dig the hole, then put the packed nutrition bag into the hole, fix the short anchor rod and protect the surface with lead wire mesh; S7. The guest soil spraying layer (7) construction, first fix the guest soil spraying machine, put the material of guest soil aggregate structure into the guest soil spraying machine and mix evenly; secondly, lay a layer of barbed wire on the slope surface, and use The uniformly mixed foreign soil slurry is evenly sprayed around the nutrition bag in turn by artificially carrying the spray gun; after the spraying is completed, it is covered with non-woven fabrics, and according to the weather conditions, it is properly sprayed with atomized water droplets for maintenance; S8. For the construction of plant measures, first carry out stakeout of arbor and shrub acupoints, and dig holes or fish scale pits; secondly, spread a layer of 10cm thick farmyard manure on the bottom of the hole, put arbor and shrub saplings into the hole, cover with nutrient soil, and manually tamp the surface . According to the climatic conditions, the seedling tending measures such as sun protection and irrigation should be adopted appropriately. 8. The construction method of a comprehensive control system for slag hanging on slopes of roads in plateau areas according to claim 7, characterized in that, in the step S6, the nutrition bag (8) adopts an anti-aging geotechnical bag with a specification of 60cm× 40cm×25cm, filled with nutrient soil, shrub and grass seeds and nutrient agents, of which 0.05m ³ of nutrient soil per bag, 0.6g of shrub seeds, 2.4g of grass seeds, 0.5g of water retaining agent, 0.005m ³ of organic fertilizer, chemical fertilizer 27g, the nutrition bag (8) is buried by digging holes, the hole spacing is 1.0m×1.0m, and it is arranged in a plum blossom shape. The long diameter of the hole is 0.6m, the short diameter is 0.4m, and the depth of the hole is 0.1m. A short anchor rod is used for fixing, and the surface is protected by lead wire mesh. 9. The construction method of a kind of plateau area road downside slope hanging slag comprehensive treatment system according to claim 8, is characterized in that, the spraying thickness of foreign soil spraying layer (7) is 10cm in the described step S7, in For every m ² spraying area, 6kg of ordinary Portland cement, 2kg of sand, 0.006m ³ of planting soil, 0.002m ³ of organic matter, 200g of wood fiber, 3g of shrub seeds, and 9g of grass seeds. Spread a layer of barbed wire on the slope; after spraying, it is necessary to take measures such as covering with non-woven fabrics and spraying atomized water droplets according to the weather conditions. 10. The construction method of a comprehensive treatment system for side slopes hanging on roads in plateau areas according to claim 8, characterized in that, in the step S8, on the slope repair surface layer (5) and the lattice slope protection (4 ) combined with shrubs and grasses to restore vegetation, among which the shrubs are Jinlumei and Caragana japonica, the mixed ratio is 1:1, the spacing between plants and rows is 1.0m×1.0m, and fish scale pits are used for site preparation. The size of the hole is long diameter×short diameter×depth. 0.6m×0.4m×0.5m; sow grass seeds in the undergrowth. The grass seeds are Elymus fringa, Bluegrass cold field and Grass awn. The mixed sowing ratio is 2:1:2, and the seeding rate is 200kg/hm2. 3) and the top platform (6) to restore vegetation by planting trees and sowing grass seeds, among which trees are selected from willows and poplars, and the trees are mixed with each other. The row spacing between plants is 3.0m×3.0m. The depth of the hole is 0.8m×0.8m; sow grass seeds under the forest, and the grass species are Elymus fringa, Bluegrass cold field, and Awn Grass. The mixed sowing ratio is 2:1:2, and the seeding rate is 200kg/hm ² .