阅读说明：本技术 一种边坡生态修复方法 (Slope ecological restoration method ) 是由 王海生 宋育花 赵刚 于 2021-07-15 设计创作，主要内容包括：本发明涉及生态修复方法技术领域,且公开了一种边坡生态修复方法,包括步骤S1至步骤S7。本申请的方法能够有效的提高边坡生态修复过程和修复后的稳定性,降低施工时安全隐患,同时提高施工效率,降低施工难度。(The invention relates to the technical field of ecological restoration methods, and discloses a slope ecological restoration method which comprises steps S1 to S7. The method can effectively improve the stability of the ecological slope restoration process and the restored slope, reduce the potential safety hazard during construction, improve the construction efficiency and reduce the construction difficulty.)

1. A slope ecological restoration method is characterized by comprising the following steps:

s1, cleaning sundries on the surface of the side slope and correcting the slope of the side slope;

s2, arranging a water intercepting ditch, a longitudinal drainage ditch and a toe drainage ditch on the side slope, and dividing the side slope;

s3, arranging hooks with inward openings on the intercepting drain and the longitudinal drainage drain, and hanging a protective net through the hooks;

s4, a plurality of long anchor rods are driven into the side slope to fix the protective net, and the length of the long anchor rods exposed outside the side slope is smaller than the height of the intercepting drain and the longitudinal drainage ditch exposed outside the side slope;

s5, spraying and seeding the bottom layer matrix on the side slope with the hanging protective net and the long anchor rods, and compacting and fastening the bottom layer matrix;

s6, spraying plant seeds on the bottom substrate;

and S7, carrying out surface matrix spray seeding on the slope after the plant seeds are sprayed.

2. The slope ecological restoration method according to claim 1, characterized in that: the correction processing in step S1 includes slope cutting of the protruding portion of the side slope and plant biological bag filling of the recessed portion of the side slope, and ensures that the deviation between the corrected position and the slope value of the side slope is within ± 5 °.

3. The slope ecological restoration method according to claim 1, characterized in that: in step S3, the protective net is fastened and then hung on the hook for fixing.

4. The slope ecological restoration method according to claim 1, characterized in that: the superposition thickness of the bottom layer matrix and the surface layer matrix is smaller than the height of the intercepting drain and the longitudinal drain which are exposed outside the side slope.

5. The slope ecological restoration method according to claim 1, characterized in that: the protection net is provided with the cooperation the solid fixed ring of long stock, gu be provided with the draw-in groove on the fixed ring, be provided with the L type card foot of cooperation draw-in groove on the long stock.

6. The slope ecological restoration method according to claim 1, characterized in that: after the step S7, a nonwoven fabric is laid on the side slope.

7. The slope ecological restoration method according to claim 4, characterized in that: the spraying thickness of the bottom layer substrate in the step S5 is 6cm-7cm, and the spraying thickness of the surface layer substrate in the step S7 is 0.5cm-1 cm.

Technical Field

The invention relates to the technical field of ecological restoration methods, in particular to a slope ecological restoration method.

Background

Bare slopes are generally formed by the destruction of natural mountains during human activities or natural disasters. The side slopes have the characteristics of serious water and soil loss, difficult recovery under natural conditions, high treatment difficulty and the like, and influence on the healthy development of the local ecological environment of the mountain; meanwhile, due to long-term exposure and the influence of natural factors, the physical and mechanical shapes of rocks on the side slope can be changed, and large potential safety hazards such as landslide and the like are easily caused. Thus, the damaged slope ecology is usually restored. However, in the prior art, the repairing process is affected by weather or environment, so that the repairing is difficult and unstable.

Disclosure of Invention

The invention mainly provides a slope ecological restoration method, which solves the problems of difficult restoration, instability and the like caused by weather or environmental influence in the restoration process in the prior art.

In order to solve the technical problems, the invention adopts the following technical scheme:

a slope ecological restoration method comprises the following steps:

s1, cleaning sundries on the surface of the side slope and correcting the slope of the side slope;

s2, arranging a water intercepting ditch, a longitudinal drainage ditch and a toe drainage ditch on the side slope, and dividing the side slope;

s3, arranging hooks with inward openings on the intercepting drain and the longitudinal drainage drain, and hanging a protective net through the hooks;

s4, a plurality of long anchor rods are driven into the side slope to fix the protective net, and the length of the long anchor rods exposed outside the side slope is smaller than the height of the intercepting drain and the longitudinal drainage ditch exposed outside the side slope;

s5, spraying and seeding the bottom layer matrix on the side slope with the hanging protective net and the long anchor rods, and compacting and fastening the bottom layer matrix;

s6, spraying plant seeds on the bottom substrate;

and S7, carrying out surface matrix spray seeding on the slope after the plant seeds are sprayed.

According to the method, firstly, surface sundries on the half slope are cleaned, the surface sundries are guaranteed not to fall to cause danger in the subsequent construction process, the slope of the side slope is corrected, and the problems that the slope value of a partial region of the side slope and the designed overall safety slope value are greatly deviated, stress concentration in the region is caused, so that later-period matrix spray seeding is unstable, and construction difficulty is high are solved; the side slope is provided with drainage systems such as a water interception ditch, a longitudinal drainage ditch, a slope toe drainage ditch and the like, so that the water and soil loss of the side slope can be effectively prevented, the fixation of soil and corresponding matrixes is facilitated, the situations such as debris flow, landslide and the like are prevented, the safety during construction is improved, meanwhile, the scouring and erosion of the soil and the matrixes in rainy days in the construction process are reduced, the difficulty in later construction is reduced, a larger side slope environment can be divided, and the subsequent work can be conveniently expanded; meanwhile, the hooks are arranged on the intercepting ditch and the longitudinal drainage ditch, so that the net hanging work can be conveniently carried out when the repairing is carried out, the protective net is hung on the hooks, the protective net can be conveniently fixed, the traditional net hanging work flow is reduced, the construction efficiency is improved, the protective net can be tensioned when the protecting net is laid, the tension of the protective net is ensured, and the fixing effect on soil and a later-stage spray-seeding matrix is effectively provided; after the protective net is hung, a plurality of points of the protective net are fixed on the side slope through the prevention of the long anchor rods, the protective net is divided into a plurality of parts, the protective effect of the protective net is improved, the protective net is effectively fixed, and meanwhile, the length of the long anchor rods exposed outside the side slope is smaller than the height of the intercepting ditches and the longitudinal drainage ditches exposed outside the side slope, so that the long anchor rods can be conveniently covered by the matrix at the later stage, and the attractiveness is improved; after setting up the protection network, just carry out construction such as spray-seeding bottom matrix, spray-seeding plant seed, spray-seeding top matrix to the side slope, the mode of layering construction can effectually bury plant seed underground between double-deck matrix, prevent that the rainwater from scouring top plant seed, and simultaneously, bottom matrix is through the compaction fastening after spray-seeding, and partial bottom matrix can form an overall structure with the protection network of preceding setting, can improve bottom matrix stability to and improve the stability of follow-up spray-seeding plant seed and top matrix. The method can effectively improve the stability of the ecological slope restoration process and the restored slope, reduce the potential safety hazard during construction, improve the construction efficiency and reduce the construction difficulty.

And one part of the matrix material passes through the protective net and then reaches the surface of the side slope to fill the gaps between the protective net and the surface of the side slope, and the other part of the matrix material is gradually superposed on the matrix material and presses the protective net on the matrix material to form the final integral bottom matrix.

Slope surface impurities include, but are not limited to: garbage, crushed rocks, and the like.

Further, the correction processing in step S1 includes slope cutting at the protruding position on the side slope and plant biological bag filling at the recessed position on the side slope, so as to ensure that the deviation between the corrected position and the slope value of the side slope is within ± 5 °. The position after correction processing and the safety slope value of the whole design of the side slope can be ensured not to have larger deviation, and the whole safety and stability are improved.

Further, in step S3, the protection net is fastened and then hung on the hook for fixing. The protective net is tensioned and then hung to provide protective tension effectively.

Further, the overlapping thickness of the bottom layer matrix and the surface layer matrix is smaller than the height of the intercepting drain and the longitudinal drain which are exposed outside the side slope. Can prevent to cover intercepting ditch and longitudinal drainage ditch to and rainwash causes bottom matrix and top layer matrix to run off through intercepting ditch and longitudinal drainage ditch.

Further, be provided with the cooperation on the protective screen the solid fixed ring of long stock, gu be provided with the draw-in groove on the fixed ring, be provided with the L type card foot of cooperation draw-in groove on the long stock. This long stock can compress tightly solid fixed ring on the side slope when fixed, and L type card foot can run through the draw-in groove and further strengthen the fixed effect with the side slope.

Further, after the step S7, a nonwoven fabric is laid on the side slope. The non-woven fabric cover is arranged, so that the germination rate of the plant seeds can be improved.

Further, the spraying thickness of the bottom layer substrate in the step S5 is 6cm-7cm, and the spraying thickness of the surface layer substrate in the step S7 is 0.5cm-1 cm. The bottom substrate spray-seeding thickness is 6cm-7cm, so that the fertilizer efficiency of the bottom substrate can be effectively ensured to meet the growth requirement of plant seeds, and the surface substrate spray-seeding thickness is 0.5cm-1cm, so that the plant seeds can be effectively covered under the condition of reducing the waste of substrate materials, and the plant seeds are prevented from being washed away by rainwater.

Has the advantages that: the method can effectively improve the stability of the ecological slope restoration process and the restored slope, reduce the potential safety hazard during construction, improve the construction efficiency and reduce the construction difficulty.

Drawings

Figure 1 is a schematic view of the barb installation of this embodiment.

Reference numerals: the novel anchor rod fixing device comprises hooks 1, a protective net 2, a long anchor rod 3, a fixing ring 4, a longitudinal drainage ditch 5, a bottom layer matrix 6 and a surface layer matrix 7.

Detailed Description

The technical scheme of the slope ecological restoration method related to the invention will be further described in detail with reference to the following embodiments.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the method for restoring ecology in slope of this embodiment includes the following steps:

s1, cleaning sundries on the surface of the side slope and correcting the slope of the side slope;

s2, arranging a water intercepting ditch, a longitudinal drainage ditch 5 and a toe drainage ditch on the side slope, and dividing the side slope;

s3, hooks 1 with inward openings are arranged on the intercepting ditches and the longitudinal drainage ditches 5, and a protective net 2 is hung through the hooks 1:

s4, a plurality of long anchor rods 3 are driven into the side slope to fix the protective net 2, and the length of the long anchor rods 3 exposed outside the side slope is smaller than the height of the intercepting ditches and the longitudinal drainage ditches 5 exposed outside the side slope:

s5, spraying the bottom layer matrix 6 on the side slope with the hanging protective net 2 and the long anchor rods 3, and compacting and fastening the bottom layer matrix 6;

s6, spraying plant seeds on the bottom substrate 6;

and S7, carrying out spray sowing of the surface matrix 7 on the slope after the plant seeds are sprayed.

According to the method, firstly, surface sundries on the half slope are cleaned, the surface sundries are guaranteed not to fall to cause danger in the subsequent construction process, the slope of the side slope is corrected, and the problems that the slope value of a partial region of the side slope and the designed overall safety slope value are greatly deviated, stress concentration in the region is caused, so that later-period matrix spray seeding is unstable, and construction difficulty is high are solved; then, drainage systems such as a catch basin, a longitudinal drainage ditch 5, a toe drainage ditch and the like are arranged on the side slope, so that water and soil loss of the side slope can be effectively prevented, the fixation of soil and corresponding matrixes is facilitated, the occurrence of debris flow, landslide and the like is prevented, the safety during construction is improved, meanwhile, the scouring and erosion of the soil and the matrixes in rainy days in the construction process are reduced, the difficulty in later construction is reduced, a larger side slope environment can be divided, and the subsequent work can be conveniently expanded; meanwhile, the hooks 1 arranged on the intercepting ditches and the longitudinal drainage ditches 5 can facilitate net hanging work during repair, the protective net 2 is hung on the hooks 1, the protective net 2 can be conveniently fixed, the traditional net hanging work flow is reduced, the construction efficiency is improved, the protective net 2 can be tensioned during laying, the tension of the protective net 2 is ensured, and therefore the fixing effect on soil and later-stage spray-seeding matrix is effectively provided; after the protective net 2 is hung, a plurality of points of the protective net 2 are fixed on a side slope through the prevention of the long anchor rods 3, the protective net 2 is divided into a plurality of parts, the protective effect of the protective net 2 is improved, the protective net 2 is effectively fixed, and meanwhile, the length of the long anchor rods 3 exposed outside the side slope is smaller than the height of the intercepting ditches and the longitudinal drainage ditches 5 exposed outside the side slope, so that the long anchor rods 3 are conveniently covered by matrix at the later stage, and the attractiveness is improved; after setting up protection network 2, just carry out construction such as spray-seeding bottom matrix 6 to the side slope, spray-seeding plant seed, spray-seeding top matrix 7, the mode of layering construction can effectually bury plant seed underground between double-deck matrix, prevent that the rainwater from washing away top plant seed, and simultaneously, bottom matrix 6 is through the compaction fastening after spray-seeding, and partial bottom matrix 6 can form an overall structure with the protection network 2 of preceding setting, can improve bottom matrix 6 stability, and improve the stability of follow-up spray-seeding plant seed and top matrix 7. The method can effectively improve the stability of the ecological slope restoration process and the restored slope, reduce the potential safety hazard during construction, improve the construction efficiency and reduce the construction difficulty.

After penetrating through the protective net 2, a part of the matrix material reaches the slope surface and fills gaps between the protective net 2 and the slope surface, and the other part of the matrix material is gradually superposed on the matrix material, and the protective net 2 is pressed on the matrix material to form a final integral bottom matrix 6.

Slope surface impurities include, but are not limited to: garbage, crushed rocks, and the like.

Further, the correction processing in step S1 includes slope cutting at the protruding position on the side slope and plant biological bag filling at the recessed position on the side slope, so as to ensure that the deviation between the corrected position and the slope value of the side slope is within ± 5 °. The position after correction processing and the safety slope value of the whole design of the side slope can be ensured not to have larger deviation, and the whole safety and stability are improved.

Further, in step S3, the protection net 2 is pulled tight and then hung on the hook 1 to be fixed. The protective net 2 is tensioned and then hung to provide protective tension effectively.

Further, the overlapping thickness of the bottom layer substrate 6 and the surface layer substrate 7 is smaller than the height of the intercepting drain and the longitudinal drain 5 exposed outside the side slope. Can prevent to cover intercepting ditch and longitudinal drainage ditch 5 to and the rainwater erodees and causes bottom matrix 6 and top layer matrix 7 to run off through intercepting ditch and longitudinal drainage ditch 5.

Further, be provided with the cooperation on the protection network 2 the solid fixed ring 4 of long stock 3, be provided with the draw-in groove on the solid fixed ring 4, be provided with the L type card foot of cooperation draw-in groove on the long stock 3. This long stock 3 can compress tightly solid fixed ring 4 on the side slope when fixed, and L type bayonet catch can run through the draw-in groove and further strengthen the fixed effect with the side slope.

Further, after the step S7, a nonwoven fabric is laid on the side slope. The non-woven fabric cover is arranged, so that the germination rate of the plant seeds can be improved.

Further, the spraying thickness of the bottom layer substrate 6 in the step S5 is 6cm-7cm, and the spraying thickness of the surface layer substrate 7 in the step S7 is 0.5cm-1 cm. The spraying thickness of the bottom substrate 6 is 6cm-7cm, so that the fertilizer efficiency of the bottom substrate 6 can be effectively ensured to meet the growth requirement of the plant seeds, and the spraying thickness of the surface substrate 7 is 0.5cm-1cm, so that the plant seeds can be effectively covered under the condition of reducing the waste of substrate materials, and the plant seeds are prevented from being washed away by rainwater.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.