CN215774649U

CN215774649U - Terraced fields formula mine landform resumes structure

Info

Publication number: CN215774649U
Application number: CN202121896900.0U
Authority: CN
Inventors: 方迎春; 刘鹏举; 粟子渺; 孙旗
Original assignee: Hunan Katie Engineering Technology Co ltd
Current assignee: Hunan Katie Engineering Technology Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-02-11
Anticipated expiration: 2031-08-13

Abstract

The utility model discloses a terrace-type mine landform restoration structure, which belongs to the field of mine landform restoration devices and comprises a terrace-type mine and is characterized in that each layer of surface of the terrace-type mine is a reverse slope surface which is close to the mine and is low at the inner side and high at the outer side, the reverse slope surface is of a three-layer structure, the upper layer of the reverse slope surface is a vegetation layer, the middle layer of the reverse slope surface is a first soil layer, the lower layer of the reverse slope surface is a second soil layer, and a water guide pipe is arranged on the reverse slope surface; retaining walls are arranged on the front walls of all layers of the terrace type mines, water guide grooves are formed in the bottoms of the retaining walls and communicated with one ends of the water guide pipes, and the other ends of the water guide pipes extend to the outer side of the reverse slope type slope surface; anti-skid piles are arranged inside each layer of the terrace mine and are vertically arranged, and the bottoms of the anti-skid piles penetrate into solid soil at the bottom of the mine; and a silt accumulation pool is arranged at the bottommost part of the terrace type mine, and a silt low dam is arranged beside the silt accumulation pool.

Description

Terraced fields formula mine landform resumes structure

Technical Field

The utility model relates to the field of mine landform restoration devices, relates to a reinforcement structure for restoring mine slope surface landform vegetation, guiding, collecting and draining rainwater and wastewater and reinforcing slope soil and mountain bodies, belongs to the field of mine slope restoration foundation building facilities, and particularly relates to a terrace-type mine landform restoration structure.

Background

And (4) mine restoration, namely, landform restoration is carried out on the pollution of the mining abandoned land, so that land resources are reused or landscape is reproduced. During mining, a large amount of land which cannot be used without treatment is generated, and the land is also called mining waste land, and various pollutions caused by production exist in the waste land. Environmental hazards from mining production: soil erosion, ground settlement caused by mine pits, destruction of biodiversity, pollution of underground water caused by waste water containing chemicals in the mining process and the like. The excavation of the ground and the side slope influences the stability of the mountain, so that the deformation of the rock mass induces geological disasters such as collapse, landslide and the like. The waste rocks discharged from mines are often accumulated on hillsides or valleys, and the debris flow is easily caused under the condition of rainstorm. At present, the mine is mainly repaired by planting crops, and the soil of the mine is greatly damaged. The method has important significance for ecological environment construction in China in landform restoration of the abandoned mine land.

The traditional mine landform restoration has the problems of simplicity, rough appearance, low degree of greenness or complex structure, high construction difficulty, short service life, complex maintenance and the like. The stability of a sliding body is not considered in the targeted mode in mine landform restoration, the whole structure is easy to lose efficacy, the appearance of a mine body is changed, the occurrence frequency of natural disasters such as debris flow is increased, and adverse accidents are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, provides a terrace-type mine landform restoration structure, and has the advantages of good fixing effect on mine slopes, high greening degree, simple construction mode, good drainage effect, low maintenance cost and the like.

In order to realize the purpose, the utility model adopts the technical scheme that:

a terrace-type mine landform restoration structure comprises a terrace-type mine and is characterized in that the surfaces of all layers of the terrace-type mine are reverse slope-type slopes which are close to the mine and have low inner sides and high outer sides, the reverse slope-type slopes are of three-layer structures, the upper layers of the reverse slope-type slopes are vegetation layers, the middle layers of the reverse slope-type slopes are first soil layers, the lower layers of the reverse slope-type slopes are second soil layers, and water guide pipes are arranged on the reverse slope-type slopes; retaining walls are arranged on the front walls of all layers of the terrace type mines, water guide grooves are formed in the bottoms of the retaining walls and communicated with one ends of the water guide pipes, and the other ends of the water guide pipes extend to the outer side of the reverse slope type slope surface; anti-skid piles are arranged inside each layer of the terrace mine and are vertically arranged, and the bottoms of the anti-skid piles penetrate into solid soil at the bottom of the mine; and a silt accumulation pool is arranged at the bottommost part of the terrace type mine, and a silt dam is arranged beside the silt accumulation pool.

Furthermore, the vegetation layer of the reverse slope type slope surface adopts close planting mixed planting of annual herbage, perennial herbage, shrub community, fast-growing arbor and local arbor.

Furthermore, the first soil layer of the reverse slope is the mixture of river and lake bottom mud and local soil.

Further, the second soil layer of the reverse slope type slope surface is the mixture of mine tailing slag and local soil.

Further, the anti-skidding piles are arranged at the position 2/3 from the outside to the inside of the reverse slope.

Furthermore, the anti-slip pile comprises a cylinder body and anti-slip steel claws at the bottom of the cylinder body, and the cylinder body is of a hollow cylinder structure formed by longitudinal ribs and transverse ribs matched with bundled ribs through template casting; a plurality of steel claw holes are reserved in the two layers of the bottom of the cylinder body to install the anti-skidding steel claws, each anti-skidding steel claw comprises a steel claw piece and a stress disc, and the anti-skidding steel claws are placed after the cylinder body is poured and impact the stress disc through a pile driver to drive the connecting rods and the steel claw pieces to be opened.

Furthermore, the back of the steel claw piece is provided with a sliding groove which is embedded with a roller at the lower end of the connecting rod, when the steel claw piece reaches a horizontal position, the roller is blocked by a limiting steel sheet on the steel claw piece and penetrates into a solid soil body at the bottom of the mine in a horizontal state; and cement is poured in the barrel body to integrally form the anti-slip pile into a solid structure.

Furthermore, the dam body of the silt dam is formed by piling and casting residual earthwork after the landform of the mine is restored, the surface layer is poured with biological concrete, grass seeds are scattered on the biological concrete to form a biological layer, and waterproof cloth is laid on the surface of the dam body.

Furthermore, a water pipe is arranged at the middle upper part of the silt accumulation pool and the middle upper part of the dam body, one end of the water pipe is communicated with the silt accumulation pool, the other end of the water pipe extends to the outer side of the dam body of the silt accumulation pool, and a grid net is arranged at a pipe opening of one end, located at the silt accumulation pool, of the water pipe.

Furthermore, aquatic plants are planted on the upper part of the silt accumulation pool to form a small micro-wetland landscape.

The utility model has the beneficial effects that:

1. the utility model combines terrace structure with excellent water storage and soil conservation effects in the agricultural field with mine landform restoration, and reforms a multi-step counter-slope terrace structure according to topography. Not only can achieve the purpose of slope surface reinforcement, but also has good water storage and soil conservation characteristics, and simultaneously has the ornamental characteristic of terraced fields.

2. The utility model makes special modeling for the wall toe of the retaining wall, the water chute is arranged at the wall toe of the retaining wall, and the water is guided to the water chute at the slope base due to the slope topography after the rainwater washes the reverse slope surface and finally guided to the small wetland at the bottom by the water pipe connected with the water retaining walls at the upper part and the lower part.

3. The utility model improves the anti-skid pile, adds the anti-skid claw made by referring to the expansion screw principle at the bottom of the anti-skid pile, firstly pours the hollow anti-skid cylinder, then puts the anti-skid claw, the anti-skid claw is expanded by the stress of the movable bracket connecting the steel claw and the steel column after receiving the impact of the top stress plate, the roller rolls to the position limiter along the sliding groove on the steel claw sheet and stops, the steel claw sheet is inserted into the surrounding rock mass or soil mass, and the anti-skid pile effect is strengthened.

4. The utility model is provided with the siltation dam at the slope bottom, further strengthens the soil-conserving and water-storing capacity of the whole restoration system, after the system is washed by rainwater, redundant rainwater and silt enter the siltation dam through the diversion of the diversion trench and the water pipe, the silt is gathered in the siltation pool at the front part of the siltation dam, wetland plants are planted in the siltation pool, and organic matters washed by the rainwater at the top can provide nutrient substances for the wetland. And a drain pipe is arranged at the upper part of the dam body, excessive rainwater can be discharged through the drain pipe, and a grid net is arranged on the side of the drain pipe close to the silt accumulation pool to intercept dead branches and fallen leaves. The surface of the dam body is poured with biological cement, and the vegetation layer is formed by sowing grass seeds to increase the greenness.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

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

Fig. 2 is a schematic view of the structure of the hollow cylinder of the anti-skid pile of the utility model.

Fig. 3 is a schematic view of the position of the claw hole of the present invention.

Fig. 4 is a schematic diagram of the structure of the anti-skid steel claw of the utility model.

The text labels in the figures are represented as: 1. a reverse slope type slope surface; 2. a retaining wall; 3. a water conduit; 4. a first soil layer; 5. a second soil layer; 6. a vegetable layer; 7. anti-skid piles; 8. anti-skid steel claws; 9. a water chute; 10. a solid soil body; 11. a check dam; 12. a water pipe; 13. a grid mesh; 14. a silt accumulation pool; 15. longitudinal ribs; 16. transverse ribs; 17. binding ribs; 18. a steel claw hole; 19. a barrel; 20. a stressed disk; 21. a connecting rod; 22. a sliding groove; 23. a roller; 24. a limiting steel sheet; 25. and (5) steel claw sheets.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

Fig. 1 is a schematic structural diagram of a terrace-type mine landform restoration structure according to a preferred embodiment of the present invention.

A terrace type mine landform restoration structure comprises a terrace type mine, wherein each layer of surface of the terrace type mine is a reverse slope type slope surface 1 which is close to the mine and is low at the inner side and high at the outer side, the reverse slope type slope surface 1 is of a three-layer structure, the upper layer of the reverse slope type slope surface is a vegetation layer 6, the middle layer of the reverse slope type slope surface is a first soil layer 4, the lower layer of the reverse slope type slope surface is a second soil layer 5, and a water guide pipe 3 is arranged on the reverse slope type slope surface 1; the front wall of each layer of the terrace type mine is provided with a retaining wall 2, the bottom of the retaining wall 2 is provided with a water chute 9, the water chute 9 is communicated with one end of the water conduit 3, and the other end of the water conduit 3 extends to the outer side of the reverse slope type slope surface 1; anti-skid piles 7 are arranged inside each layer of the terrace type mine, the anti-skid piles 7 are vertically arranged, and the bottoms of the anti-skid piles penetrate into solid soil 10 at the bottom of the mine; the bottommost part of the terrace type mine is provided with a silt collecting pool 14, and a silt dam 11 is arranged beside the silt collecting pool 14.

The retaining wall 2 mainly plays a role in preventing the deformation and instability of a slope body, and in order to ensure the safety of the retaining wall 2 in the engineering, the retaining wall 2 can be made of cement with the strength of C35 or above or other materials with the same strength; the anti-skid piles 7 are mainly used for resisting shear stress caused by a skid body and preventing the deformation of a slope body, and the anti-skid piles 7 can be made of C35 or above strength cement or other materials with the same strength; the silt accumulation pool 14 is mainly used for receiving rainwater on the upper part and soil, organic matters and the like washed by the rainwater, and aquatic plants are planted on the upper part of the silt accumulation pool 14 to form a small micro-wetland landscape.

Preferably, as shown in fig. 1, the vegetation layer 6 of the reverse slope 1 is densely planted with annual herbs, perennial herbs, shrub communities, fast-growing trees and local trees. The vegetative layer 6 needs to be nurtured for 1-3 years, and then is allowed to compete naturally to form a stable colony. The first soil layer 4 of the reverse slope type slope surface 1 is formed by mixing river and lake bottom mud and local soil so as to improve soil fertility. The first soil layer 4 is about 30cm thick. And the second soil layer 5 of the reverse slope type slope surface 1 is formed by mixing mine tailing slag and local soil so as to improve the porosity of the soil. The second soil layer 5 is about 40cm thick.

Preferably, as shown in fig. 1, 2, 3 and 4, the anti-skid piles 7 are arranged at 2/3 positions from outside to inside of the reverse slope type slope surface 1. The anti-skid pile 7 comprises a cylinder body 19 and anti-skid steel claws 8 at the bottom of the cylinder body 19, wherein the cylinder body 19 is of a hollow cylinder structure formed by casting longitudinal ribs 15 and transverse ribs 16 matched with binding ribs 17 through a template; a plurality of steel claw holes 18 are reserved in two layers of the bottom of the cylinder 19 to install the anti-skidding steel claws 8, each anti-skidding steel claw 8 comprises a steel claw piece 25 and a stress disc 20, the anti-skidding steel claws 8 are placed after the cylinder 19 is poured, and the stress discs 20 are impacted by the pile driver to drive the connecting rods 21 and the steel claw pieces 25 to be opened. The back of the steel claw piece 25 is provided with a sliding groove 22 which is embedded with a roller 23 at the lower end of the connecting rod 21, when the steel claw piece 25 reaches the horizontal position, the roller 23 is blocked by a limiting steel sheet 24 on the steel claw piece 25, and the steel claw piece is kept horizontally and is penetrated into a solid soil body 10 at the bottom of the mine; and cement is poured in the barrel 19 to integrally form the anti-slip pile 7 into a solid structure.

Preferably, as shown in fig. 1, the dam body of the silt dam 11 is formed by piling and casting residual earthwork after the mine landform is restored, biological concrete is poured on the surface layer, grass seeds are scattered on the biological concrete to form a biological layer, and waterproof cloth is laid on the surface of the dam body. A water pipe 12 is arranged at the middle upper part of the silt deposit dam 11 and the dam body, one end of the water pipe 12 is communicated with the silt deposit pool 14, the other end of the water pipe extends to the outer side of the dam body of the silt deposit dam 11, and a grid net 13 is arranged at a pipe orifice of one end, located at the silt deposit pool 14, of the water pipe 12.

Preferably, as shown in fig. 1, aquatic plants are planted on the upper part of the silt collecting tank 14 to form a small micro-wetland landscape, so that the overall ornamental property is improved.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the utility model using its spirit and scope, as defined by the claims, should be considered as protection.

Claims

1. A terrace type mine landform restoration structure comprises a terrace type mine and is characterized in that each layer of surface of the terrace type mine is a reverse slope type slope surface (1) which is close to the mine and is low on the inner side and high on the outer side, the reverse slope type slope surface (1) is of a three-layer structure, the upper layer of the reverse slope type slope surface is a vegetation layer (6), the middle layer of the reverse slope type slope surface is a first soil layer (4), the lower layer of the reverse slope type slope surface is a second soil layer (5), and a water guide pipe (3) is arranged on the reverse slope type slope surface (1); retaining walls (2) are arranged on the front walls of all layers of the terrace type mine, water guide grooves (9) are formed in the bottoms of the retaining walls (2), the water guide grooves (9) are communicated with one ends of the water guide pipes (3), and the other ends of the water guide pipes (3) extend to the outer side of the reverse slope type slope surface (1); anti-skid piles (7) are arranged inside each layer of the terrace type mine, the anti-skid piles (7) are vertically arranged, and the bottoms of the anti-skid piles penetrate into a solid soil body (10) at the bottom of the mine; a silt accumulation pool (14) is arranged at the bottommost part of the terrace type mine, and a silt dam (11) is arranged beside the silt accumulation pool (14).

2. The terrace-type mine landform restoration structure according to claim 1, wherein the vegetation layer (6) of the reverse slope surface (1) is densely planted with annual herbs, perennial herbs, shrub communities, fast-growing trees and local trees.

3. The terrace-type mine landform restoration structure according to claim 1, wherein the first soil layer (4) of the reverse slope type slope surface (1) is a mixture of river and lake bottom mud and local soil.

4. The terrace-type mine landform restoration structure according to claim 1, wherein the second soil layer (5) of the reverse slope type slope surface (1) is a mixture of mine tailing slag and local soil.

5. The terrace-type mine landform restoration structure according to claim 1, wherein the anti-skid piles (7) are arranged at 2/3 positions from the outside to the inside of the reverse slope surface (1).

6. The terrace-type mine landform restoration structure according to claim 5, wherein the anti-skid piles (7) comprise a cylinder body (19) and anti-skid steel claws (8) at the bottom of the cylinder body (19), the cylinder body (19) is a hollow cylinder structure formed by casting longitudinal ribs (15) and transverse ribs (16) matched with binding ribs (17) through a template; a plurality of steel claw holes (18) are reserved in two layers of the bottom of the barrel body (19) to install the anti-skidding steel claw (8), the anti-skidding steel claw (8) comprises a steel claw piece (25) and a stress disc (20), the anti-skidding steel claw (8) is placed after the barrel body (19) is poured, and the stress disc (20) is impacted by a pile driver to drive the connecting rod (21) and the steel claw piece (25) to be opened.

7. The terrace-type mine landform restoration structure according to claim 6, wherein a sliding groove (22) is formed in the back of the steel claw piece (25) and is embedded into a roller (23) at the lower end of the connecting rod (21), when the steel claw piece (25) reaches a horizontal position, the roller (23) is blocked by a limiting steel sheet (24) on the steel claw piece (25), and the roller is penetrated into a solid soil body (10) at the bottom of a mine in a horizontal state; and cement is poured in the barrel (19) to integrally form the anti-slip pile (7) into a solid structure.

8. The terrace-type mine landform restoration structure according to claim 1, wherein the dam body of the silt dam (11) is formed by piling and casting the residual earthwork after the mine landform is restored, the surface layer is poured with biological concrete, grass seeds are scattered on the biological concrete to form a biological layer, and the surface of the dam body is paved with waterproof cloth.

9. The terrace-type mine landform restoration structure according to claim 8, wherein a water pipe (12) is arranged at the middle upper part of the dam body of the silt dam (11), one end of the water pipe (12) is communicated with the silt collection tank (14) and the other end extends to the outer side of the dam body of the silt dam (11), and a grid net (13) is arranged at the pipe orifice of one end of the water pipe (12) at the silt collection tank (14).

10. The terrace-type mine landform restoration structure according to claim 1, wherein aquatic plants are planted on the upper part of the silt deposit pool (14) to form a small micro wetland landscape.