CN112868459A - Semi-arid waste dump slope vegetation restoration structure and method for efficiently utilizing rainfall - Google Patents
Semi-arid waste dump slope vegetation restoration structure and method for efficiently utilizing rainfall Download PDFInfo
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- CN112868459A CN112868459A CN202110193850.8A CN202110193850A CN112868459A CN 112868459 A CN112868459 A CN 112868459A CN 202110193850 A CN202110193850 A CN 202110193850A CN 112868459 A CN112868459 A CN 112868459A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G29/00—Root feeders; Injecting fertilisers into the roots
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
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Abstract
The invention relates to a revegetation structure and a method for slope vegetation of a semiarid waste dump, which efficiently utilize rainfall. The invention can utilize the reverse slope intercepting ditch to intercept rainwater, irrigation water, snow water or other source water by excavating the reverse slope intercepting ditch on the side slope, and the intercepted water permeates into the water permeable pipe below the intercepting ditch, can efficiently collect water, can fully supply water to vegetation separated from artificial management by utilizing the collected water, avoids repairing vegetation deterioration and death to cause secondary water and soil loss, has important practical significance for the side slope of the refuse dump of production and construction projects in arid and semiarid regions, can effectively promote green mine construction, and ensures efficient and sustainable supply of energy in China.
Description
Technical Field
The invention relates to the technical field of efficient collection and utilization of moisture and vegetation restoration, in particular to a vegetation restoration structure and method for a slope of a semiarid waste dump, which efficiently utilize rainfall.
Background
The development and utilization of coal resources promote economic and social development and bring a series of ecological environment disasters. The open pit mining produces violent disturbance to the earth surface, the earth surface of a dumping field formed by stacking a large amount of stripped objects is barren, in addition, the earth surface is seriously compacted by rolling by a heavy truck in the dumping process, the root pricking of plants is difficult, a large amount of earth surface runoff is formed under the rainfall condition, the sedimentation crack is produced due to the non-uniform sedimentation of the dumping field, the runoff is converged and drilled into the crack after the rainfall, the centralized infiltration is carried out, the infiltration water is exposed from the side slope under the earth surface, and the collapse, the landslide and the slope debris flow are induced, and even the whole subsidence is induced.
At present, the problem that only the number of the types of the repair plants is considered for the vegetation reconstruction of the refuse dump in the production, construction and development areas domestically and internationally is that the self-recovery of an ecological system is slow, although the survival rate of the vegetation can be improved to a certain extent through short-term artificial irrigation and management and protection, in northern areas of China, particularly grassland areas in arid and semiarid regions, soil is poor, the climate is arid and water is deficient, and after the artificial management and protection such as irrigation and fertilization is broken away, the vegetation in the traditional repair mode can be degraded and died quickly to cause secondary water and soil loss. The vegetation restoration technology with the function of efficiently collecting and utilizing water is researched and developed, has important practical significance on the side slope of the waste dump of production and construction projects in arid and semiarid regions, can effectively promote the construction of green mines, and ensures the efficient and sustainable supply of energy in China.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a vegetation restoration structure and method for a slope of a semiarid waste dump, which efficiently utilize rainfall.
The technical scheme for solving the technical problems is as follows: the utility model provides a high-efficient semiarid refuse dump side slope vegetation restoration structure that utilizes precipitation, includes the side slope, it has the adverse slope intercepting ditch that is used for planting the vegetation to excavate on the side slope, the adverse slope intercepting ditch is a plurality of and follows the side slope incline direction arranges in proper order, the pipe of permeating water has been buried underground to adverse slope intercepting ditch below.
The invention has the beneficial effects that: the invention can utilize the reverse slope intercepting ditch to intercept rainwater, irrigation water, snow water or other source water by excavating the reverse slope intercepting ditch on the side slope, and the intercepted water permeates into the water permeable pipe below the intercepting ditch, can efficiently collect water, can fully supply water to vegetation separated from artificial management by utilizing the collected water, avoids repairing vegetation deterioration and death to cause secondary water and soil loss, has important practical significance for the side slope of the refuse dump of production and construction projects in arid and semiarid regions, can effectively promote green mine construction, and ensures efficient and sustainable supply of energy in China. Under the condition of no artificial management and protection, the survival rate of the shrub planted by adopting the structure of the invention within two years is about 60 percent higher than that of the shrub planted by a common method.
On the basis of the technical scheme, the invention can be further improved as follows.
Furthermore, the reverse slope surface of the reverse slope intercepting ditch and the slope surface of the side slope are arranged in an angle and extend out of the slope surface of the side slope.
The beneficial effect of adopting the further scheme is that: on the one hand, the area of the reverse slope surface can be increased, and on the other hand, moisture can be converged into the reverse slope intercepting ditch, so that the slope surface loss of the side slope is avoided.
Furthermore, the inclination angle of the reverse slope surface of the reverse slope intercepting ditch is 3-10 degrees.
The beneficial effect of adopting the further scheme is that: the inclination angle of the reverse slope surface of the reverse slope intercepting ditch is reasonably set, and the situation that the inclination angle of the reverse slope surface is too large and is not beneficial to vegetation planting or the inclination angle of the reverse slope surface is too small and is not beneficial to moisture collection is avoided.
Furthermore, a plurality of pervious pipes below the reverse slope intercepting ditches are communicated with each other through connecting pipes.
The beneficial effect of adopting the further scheme is that: utilize the connecting pipe to permeate water the pipe intercommunication each other, can permeate water the surplus moisture overflow in the pipe with the upper reaches and permeate water the pipe to the low reaches, be favorable to the continuous circulation supply of moisture.
Further, the upper half part of the permeable pipe is a permeable area, the lower half part of the permeable pipe is a water storage area, and the connecting pipe is connected with the dividing point of the permeable area and the water storage area.
The beneficial effect of adopting the further scheme is that: the pipe of permeating water can realize the collection of moisture through the district of permeating water, and the pipe of permeating water can realize the holding of moisture through the retaining of retaining district to connect the connecting pipe in the boundary department of the district of permeating water and retaining district, can keep the water in the pipe of permeating water in the retaining district, unnecessary moisture passes through the connecting pipe and overflows downwards, avoids moisture to run off in a large number, is favorable to soil and water conservation.
Further, the pipe of permeating water of two adjacent adverse slope intercepting ditches below communicates each other through the connecting pipe, and is a plurality of the pipe of permeating water forms S type structure with the connecting pipe.
The beneficial effect of adopting the further scheme is that: the water permeable pipe and the connecting pipe form an S-shaped structure, so that the water in the water permeable pipe can circulate conveniently.
Furthermore, vegetation is planted in the reverse slope intercepting ditch, the root of the vegetation is connected with a water absorption belt, and the water absorption belt is arranged in the permeable pipe.
The beneficial effect of adopting the further scheme is that: the water absorption belt can be made of materials which are easy to absorb water and are resistant to damp corrosion environment, such as cotton and hemp, the root of the vegetation is connected with the water absorption belt, and the water absorption belt can absorb water from the permeable pipe to ensure the water supply of the vegetation.
Furthermore, the periphery of the water permeable pipe is provided with impermeable materials.
The beneficial effect of adopting the further scheme is that: the impervious material is arranged between the reverse slope intercepting ditch and the water permeable pipe, so that water is prevented from permeating into the region outside the water permeable pipe, water can be effectively accumulated, and secondary water loss is prevented.
Further, the water permeable pipe is positioned below the junction of the reverse slope surface and the inner side slope surface of the reverse slope intercepting ditch.
The beneficial effect of adopting the further scheme is that: the water permeable pipe is arranged below the junction of the reverse slope surface and the inner side slope surface, so that water flowing into the intercepting ditch through the reverse slope surface and the inner side slope surface can be effectively collected.
A method for restoring slope vegetation comprises the following steps:
s1, excavating a catch basin on the side slope along the horizontal direction, stacking the excavated soil on the slope surface of the side slope below the reverse slope catch basin, and forming a reverse slope surface and an outer slope surface by utilizing the excavated soil and the catch basin;
s2, burying a permeable pipe below the reverse slope intercepting ditch, planting vegetation on the reverse slope surface of the reverse slope intercepting ditch, and connecting the root system of the vegetation with the permeable pipe through a water absorption belt;
and S3, communicating the water permeable pipes below the reverse slope intercepting ditches through connecting pipes, and enabling water in the water permeable pipes at the upstream to flow into the water permeable pipes at the downstream.
The invention has the beneficial effects that: the invention can utilize the reverse slope intercepting ditch to intercept rainwater, irrigation water, snow water or other source water by excavating the reverse slope intercepting ditch on the side slope, and the intercepted water permeates into the water permeable pipe below the intercepting ditch, can efficiently collect water, can fully supply water to vegetation separated from artificial management by utilizing the collected water, avoids repairing vegetation deterioration and death to cause secondary water and soil loss, has important practical significance for the side slope of the refuse dump of production and construction projects in arid and semiarid regions, can effectively promote green mine construction, and ensures efficient and sustainable supply of energy in China. Under the condition of no artificial management and protection, the survival rate of the shrubs planted by the structural method of the invention within two years is about 60 percent higher than that of the shrubs planted by the common method.
Drawings
FIG. 1 is a schematic side view of a reverse slope intercepting drain according to one embodiment of the present invention;
FIG. 2 is a schematic perspective view of a reverse slope intercepting drain according to another embodiment of the present invention;
FIG. 3 is a schematic view of the structure of the reverse slope intercepting drain and the water permeable pipe of the present invention;
FIG. 4 is a schematic view of the reverse slope surface angle of the reverse slope intercepting drain of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. side slope; 2. a reverse slope intercepting ditch; 21. a reverse slope surface; 22. an inner slope surface; 23. the slope outside the ridge; 3. a water permeable pipe; 31. a water permeable zone; 32. a water storage area; 4. a connecting pipe; 5. vegetation; 6. a water-absorbing belt; 7. a barrier material; 8. a platform.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example 1
The semi-arid waste dump side slope vegetation restoration structure of high-efficient rainfall that utilizes of this embodiment, including side slope 1, the excavation has the adverse slope intercepting ditch 2 that is used for planting the vegetation on side slope 1, adverse slope intercepting ditch 2 is a plurality of and follows side slope 1 incline direction arranges in proper order, the pipe 3 of permeating water has been buried underground to adverse slope intercepting ditch 2 below.
This embodiment is through excavation adverse slope intercepting ditch on the side slope, can utilize the adverse slope intercepting ditch to the rainwater, watering water, snow water or other source waters dams, and permeate to in the permeable tube of intercepting ditch below, can carry out high-efficient collection to moisture, the moisture that utilizes to collect can carry out abundant moisture to the vegetation that breaks away from artificial management and protection and supply with, it dies to avoid restoreing the vegetation degradation, cause secondary soil erosion and water loss, it is significant to the refuse dump side slope of arid and semiarid area production construction project, can effectively promote green mine construction, and guarantee the high-efficient sustainable supply of china's energy.
Example 2
As shown in fig. 1, the semi-arid waste dump side slope vegetation restoration structure of high-efficient rainfall that utilizes of this embodiment, including side slope 1, it has the adverse slope intercepting ditch 2 that is used for planting the vegetation to excavate on the side slope 1, adverse slope intercepting ditch 2 is a plurality of and follows side slope 1 incline direction arranges in proper order, the permeable pipe 3 has been buried underground to adverse slope intercepting ditch 2 below.
As shown in fig. 1 to 4, the reverse slope surface 21 of the reverse slope intercepting drain 2 of the present embodiment is disposed at an angle with respect to the slope surface of the side slope 1 and extends out of the slope surface of the side slope 1. On the one hand, the area of the reverse slope surface can be increased, and on the other hand, moisture can be converged into the reverse slope intercepting ditch, so that the slope surface loss of the side slope is avoided.
As shown in fig. 4, the inclination angle of the reverse slope surface 21 of the reverse slope intercepting drain 2 of the present embodiment is 3 ° to 10 °, and may be 4 °, 5 °, 6 °, 7 °, 8 °, 9 °, and so on. The inclination angle of the reverse slope surface of the reverse slope intercepting ditch is reasonably set, and the situation that the inclination angle of the reverse slope surface is too large and is not beneficial to vegetation planting or the inclination angle of the reverse slope surface is too small and is not beneficial to moisture collection is avoided. The length A of the reverse slope surface 21 of the reverse slope intercepting ditch 2 can be 1-2m, the length of the reverse slope surface can be larger than 2m or smaller than 1m, and the specific length can be selected according to actual needs. The height B of the reverse slope surface 21 can be 40-50cm, the height can be larger than 50cm or smaller than 40cm, and the specific height can be selected according to actual needs.
As shown in FIG. 1, the water permeable pipes 3 under the reverse slope intercepting ditches 2 of the present embodiment are communicated with each other by connecting pipes 4. Utilize the connecting pipe to permeate water the pipe intercommunication each other, can permeate water the surplus moisture overflow in the pipe with the upper reaches and permeate water the pipe to the low reaches, be favorable to the continuous circulation supply of moisture.
As shown in fig. 1, in the present embodiment, a plurality of side slopes 1 are arranged on a refuse dump, two adjacent side slopes 1 are connected by a platform 8, a plurality of the reverse slope intercepting ditches 2 are excavated on each side slope 1, and the number of the reverse slope intercepting ditches 2 is selected according to the requirement and the length of the side slope 1, for example, two reverse slope intercepting ditches 2 may be excavated on one side slope 1, and three reverse slope intercepting ditches 2 may also be excavated. The permeable pipe 3 below the reverse slope intercepting drain 2 on each side slope 1 is communicated through a connecting pipe 4. The water permeable pipes between the adjacent slopes 1 can be not communicated or can be communicated.
As shown in fig. 3, the upper half of the permeable pipe 3 of this embodiment is a permeable area 31, the lower half is an impoundment area 32, and the connection pipe 4 is connected to the boundary between the permeable area 31 and the impoundment area 32. Be equipped with hollow out construction on the first half pipe wall of pipe 3 of permeating water, be arranged in the pipe of permeating water for moisture flows in, the district 31 of permeating water arranges up, the waterproof down placing of retaining area is used for depositing water, the pipe of permeating water can realize the collection of moisture through the district of permeating water, the pipe of permeating water can realize the maintenance of moisture through the retaining area, and connect the boundary department at the district of permeating water and retaining area with the connecting pipe, can keep the water in the pipe of permeating water in the retaining area, after the pipe of permeating water level reaches the take the altitude, water can be through the pipe of permeating water of connecting pipe flow one deck down, unnecessary moisture passes through the connecting pipe and overflows downwards, avoid a large amount of losses of.
The pipe 3 of permeating water of 2 below adjacent two adverse slope intercepting ditches of this embodiment communicates each other through connecting pipe 4, and is a plurality of pipe 3 of permeating water forms S type structure through connecting pipe 4 end to end. The water permeable pipe and the connecting pipe form an S-shaped structure, so that the water in the water permeable pipe can circulate conveniently.
As shown in fig. 3 and 4, vegetation 5 is planted in the reverse slope intercepting drain 2 of the embodiment, the vegetation 5 can be shrubs and the like, a water absorption belt 6 is connected to the root of the vegetation 5, and the water absorption belt 6 is placed in the water permeable pipe 3. The water absorption belt can be made of materials which are easy to absorb water and are resistant to damp corrosion environment, such as cotton and hemp, the root of the vegetation is connected with the water absorption belt, and the water absorption belt can absorb water from the permeable pipe to ensure the water supply of the vegetation.
As shown in fig. 3, the permeable pipe 3 of this embodiment is provided with an impermeable material 7 around the periphery. The seepage-proofing material can be selected from cement, mortar, plastic cloth and the like, can prevent water loss, is arranged between the reverse slope intercepting ditch and the permeable pipe, prevents water from permeating into the region outside the permeable pipe, can effectively accumulate water, and prevents secondary water loss.
As shown in fig. 3, the water permeable pipe 3 of this embodiment is located below the junction of the reverse slope surface 21 and the inner slope surface 22 of the reverse slope intercepting ditch 2. The water permeable pipe is arranged below the junction of the reverse slope surface and the inner side slope surface, so that water flowing into the intercepting ditch through the reverse slope surface and the inner side slope surface can be effectively collected.
This embodiment is through excavation adverse slope intercepting ditch on the side slope, can utilize the adverse slope intercepting ditch to the rainwater, watering water, snow water or other source waters dams, and permeate to in the permeable tube of intercepting ditch below, can carry out high-efficient collection to moisture, the moisture that utilizes to collect can carry out abundant moisture to the vegetation that breaks away from artificial management and protection and supply with, it dies to avoid restoreing the vegetation degradation, cause secondary soil erosion and water loss, it is significant to the refuse dump side slope of arid and semiarid area production construction project, can effectively promote green mine construction, and guarantee the high-efficient sustainable supply of china's energy.
Example 3
As shown in fig. 1, the semi-arid waste dump side slope vegetation restoration structure of high-efficient rainfall that utilizes of this embodiment, including side slope 1, it has the adverse slope intercepting ditch 2 that is used for planting the vegetation to excavate on the side slope 1, adverse slope intercepting ditch 2 is a plurality of and follows side slope 1 incline direction arranges in proper order, the permeable pipe 3 has been buried underground to adverse slope intercepting ditch 2 below.
As shown in fig. 1 to 4, the reverse slope surface 21 of the reverse slope intercepting drain 2 of the present embodiment is disposed at an angle with respect to the slope surface of the side slope 1 and extends out of the slope surface of the side slope 1. On the one hand, the area of the reverse slope surface can be increased, and on the other hand, moisture can be converged into the reverse slope intercepting ditch, so that the slope surface loss of the side slope is avoided.
As shown in fig. 4, the inclination angle of the reverse slope surface 21 of the reverse slope intercepting drain 2 of the present embodiment is 3 ° to 10 °, and may be 4 °, 5 °, 6 °, 7 °, 8 °, 9 °, and so on. The inclination angle of the reverse slope surface of the reverse slope intercepting ditch is reasonably set, and the situation that the inclination angle of the reverse slope surface is too large and is not beneficial to vegetation planting or the inclination angle of the reverse slope surface is too small and is not beneficial to moisture collection is avoided.
As shown in FIG. 1, the water permeable pipes 3 under the reverse slope intercepting ditches 2 of the present embodiment are communicated with each other by connecting pipes 4. Utilize the connecting pipe to permeate water the pipe intercommunication each other, can permeate water the surplus moisture overflow in the pipe with the upper reaches and permeate water the pipe to the low reaches, be favorable to the continuous circulation supply of moisture.
As shown in fig. 1, in this embodiment, a side slope 1 is disposed on a waste dump, a plurality of the reverse slope intercepting ditches 2 are excavated on the side slope 1, and the number of the reverse slope intercepting ditches 2 is selected according to the requirement and the length of the side slope 1, for example, two reverse slope intercepting ditches 2 may be excavated on the side slope 1, and three reverse slope intercepting ditches 2 may also be excavated.
As shown in fig. 3, the upper half of the permeable pipe 3 of this embodiment is a permeable area 31, the lower half is an impoundment area 32, and the connection pipe 4 is connected to the boundary between the permeable area 31 and the impoundment area 32. Be equipped with hollow out construction on the first half pipe wall of pipe 3 of permeating water, be arranged in the pipe of permeating water for moisture flows in, the district 31 of permeating water arranges up, the waterproof down placing of retaining area is used for depositing water, the pipe of permeating water can realize the collection of moisture through the district of permeating water, the pipe of permeating water can realize the maintenance of moisture through the retaining area, and connect the boundary department at the district of permeating water and retaining area with the connecting pipe, can keep the water in the pipe of permeating water in the retaining area, after the pipe of permeating water level reaches the take the altitude, water can be through the pipe of permeating water of connecting pipe flow one deck down, unnecessary moisture passes through the connecting pipe and overflows downwards, avoid a large amount of losses of.
The pipe 3 of permeating water of two adjacent adverse slope intercepting ditches 2 below of this embodiment communicates each other through connecting pipe 4, connecting pipe 4 is connected in the one end of the pipe 3 of permeating water, also can connect at the other end of the pipe 3 of permeating water, also can connect in the centre of the pipe 3 of permeating water, and the hookup location of connecting pipe 4 can be selected as required.
As shown in fig. 3 and 4, vegetation 5 is planted in the reverse slope intercepting drain 2 of the embodiment, the vegetation 5 can be shrubs and the like, a water absorption belt 6 is connected to the root of the vegetation 5, and the water absorption belt 6 is placed in the water permeable pipe 3. The water absorption belt can be made of materials which are easy to absorb water and are resistant to damp corrosion environment, such as cotton and hemp, the root of the vegetation is connected with the water absorption belt, and the water absorption belt can absorb water from the permeable pipe to ensure the water supply of the vegetation.
As shown in fig. 3, the permeable pipe 3 of this embodiment is provided with an impermeable material 7 around the periphery. The seepage-proofing material can be selected from cement, mortar, plastic cloth and the like, can prevent water loss, is arranged between the reverse slope intercepting ditch and the permeable pipe, prevents water from permeating into the region outside the permeable pipe, can effectively accumulate water, and prevents secondary water loss.
As shown in fig. 3, the water permeable pipe 3 of this embodiment is located below the junction of the reverse slope surface 21 and the inner slope surface 22 of the reverse slope intercepting ditch 2. The water permeable pipe is arranged below the junction of the reverse slope surface and the inner side slope surface, so that water flowing into the intercepting ditch through the reverse slope surface and the inner side slope surface can be effectively collected.
This embodiment is through excavation adverse slope intercepting ditch on the side slope, can utilize the adverse slope intercepting ditch to the rainwater, watering water, snow water or other source waters dams, and permeate to in the permeable tube of intercepting ditch below, can carry out high-efficient collection to moisture, the moisture that utilizes to collect can carry out abundant moisture to the vegetation that breaks away from artificial management and protection and supply with, it dies to avoid restoreing the vegetation degradation, cause secondary soil erosion and water loss, it is significant to the refuse dump side slope of arid and semiarid area production construction project, can effectively promote green mine construction, and guarantee the high-efficient sustainable supply of china's energy.
Example 4
The method for restoring the vegetation on the slope comprises the following steps:
s1, excavating intercepting ditches on the side slope 1 along the horizontal direction, stacking excavated soil on the slope surface 21 of the side slope below the reverse slope intercepting ditches 2, forming the reverse slope surface 21 and the ridge outer slope surface 23 of the reverse slope intercepting ditches 2 by utilizing the excavated soil and the intercepting ditches, and forming the ridge outer slope surface 23 on the side slope 1 by the excavated soil;
s2, burying a water permeable pipe 3 below the reverse slope intercepting ditch 2, planting vegetation 5 on a reverse slope surface 21 of the reverse slope intercepting ditch 2, and connecting the root system of the vegetation 5 with the water permeable pipe 3 through a water absorption belt 6;
and S3, communicating the water permeable pipes 3 below the reverse slope intercepting ditches 2 through the connecting pipes 4, and enabling the water in the water permeable pipes 3 at the upstream to flow into the water permeable pipes 3 at the downstream.
This embodiment is through excavation adverse slope intercepting ditch on the side slope, can utilize the adverse slope intercepting ditch to the rainwater, watering water, snow water or other source waters dams, and permeate to in the permeable tube of intercepting ditch below, can carry out high-efficient collection to moisture, the moisture that utilizes to collect can carry out abundant moisture to the vegetation that breaks away from artificial management and protection and supply with, it dies to avoid restoreing the vegetation degradation, cause secondary soil erosion and water loss, it is significant to the refuse dump side slope of arid and semiarid area production construction project, can effectively promote green mine construction, and guarantee the high-efficient sustainable supply of china's energy.
Comparative example
Vegetation is directly planted on the side slope of the refuse dump by adopting a common planting method, and parameters such as vegetation type, vegetation size, planting quantity, planting distance, planting time and the like are the same as those in the embodiment 2. Under the condition of no artificial management and protection, the survival rate of the shrub vegetation planted by adopting the structure method of the embodiment 2 in two years is about 60 percent higher than that of the shrub vegetation planted by adopting the common method in the comparative example.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. The semi-arid waste dump side slope vegetation restoration structure capable of efficiently utilizing rainfall is characterized by comprising a side slope, wherein a reverse slope intercepting ditch for planting vegetation is dug on the side slope, the reverse slope intercepting ditch is a plurality of and is arranged in sequence along the slope inclination direction, and a water permeable pipe is buried under the reverse slope intercepting ditch.
2. The semi-arid waste dump slope vegetation restoration structure for efficiently utilizing rainfall according to claim 1, wherein the reverse slope surface of the reverse slope intercepting drain and the slope surface of the side slope are arranged at an angle and extend out of the slope surface of the side slope.
3. The revegetation structure for the slopes of the semiarid waste dump in which rainfall is efficiently utilized according to claim 1, wherein an inclination angle of the reverse slope surface of the reverse slope intercepting gutter is 3 ° to 10 °.
4. The structure for restoring vegetation on the side slopes of the semiarid waste dump in which rainfall is efficiently utilized according to claim 1, wherein a plurality of the water permeable pipes below the reverse slope intercepting drain are communicated with each other through a connecting pipe.
5. The structure of repairing vegetation in a slope of a semiarid waste dump in which precipitation is efficiently utilized according to claim 4, wherein the upper half part of the water permeable pipe is a water permeable area, the lower half part of the water permeable pipe is a water storage area, and the connecting pipe is connected to a boundary between the water permeable area and the water storage area.
6. The structure for repairing vegetation on the side slopes of the semiarid waste dump according to claim 4, wherein the water permeable pipes below two adjacent counter-slope intercepting ditches are communicated with each other through a connecting pipe, and a plurality of the water permeable pipes and the connecting pipe form an S-shaped structure.
7. The structure for repairing vegetation on the side slope of the semiarid waste dump with high efficiency of utilizing rainfall according to claim 1, wherein vegetation is planted in the reverse slope intercepting drain, the root of the vegetation is connected with a water absorbing belt, and the water absorbing belt is arranged in the water permeable pipe.
8. The vegetation restoration structure for the slopes of the semiarid waste dump, which efficiently utilizes precipitation according to claim 1, wherein an impermeable material is arranged around the permeable pipe.
9. The semi-arid waste dump slope vegetation restoration structure for efficiently utilizing rainfall according to claim 1, wherein the water permeable pipe is located below a junction of a reverse slope surface and an inner slope surface of the reverse slope intercepting ditch.
10. The method for restoring vegetation on the side slope of the semiarid waste dump by efficiently utilizing rainfall is characterized by comprising the following steps of:
s1, excavating a catch basin on the side slope along the horizontal direction, stacking the excavated soil on the slope surface of the side slope below the reverse slope catch basin, and forming a reverse slope surface and an outer slope surface by utilizing the excavated soil and the catch basin;
s2, burying a permeable pipe below the reverse slope intercepting ditch, planting vegetation on the reverse slope surface of the reverse slope intercepting ditch, and connecting the root system of the vegetation with the permeable pipe through a water absorption belt;
and S3, communicating the water permeable pipes below the reverse slope intercepting ditches through connecting pipes, and enabling water in the water permeable pipes at the upstream to flow into the water permeable pipes at the downstream.
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