CN113575190B - Slope protection re-greening structure based on long-strip vegetation bag - Google Patents
Slope protection re-greening structure based on long-strip vegetation bag Download PDFInfo
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- CN113575190B CN113575190B CN202110870475.6A CN202110870475A CN113575190B CN 113575190 B CN113575190 B CN 113575190B CN 202110870475 A CN202110870475 A CN 202110870475A CN 113575190 B CN113575190 B CN 113575190B
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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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
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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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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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
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
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- Paleontology (AREA)
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- General Engineering & Computer Science (AREA)
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- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention provides a slope protection re-greening structure based on a strip plant biological bag, which comprises an inclined slope body and a first anchor pile, wherein a plurality of strip plant biological bags are arranged on the inclined slope body in parallel along the downward direction of the slope surface, the strip plant biological bags are bundled into a plurality of plant biological bag split bodies through extrusion, a protective baffle is arranged outside the extrusion bundling position of the strip plant biological bags along one side of the downward direction of the inclined surface, one end of the protective baffle extends to the bottom of the plant biological bag split body, and the bottom end of the first anchor pile penetrates through the plant biological bag split bodies and the protective baffle at the bottom of the plant biological bag split body and is anchored on the inclined slope body along the vertical direction; the edge of the protective baffle plate positioned on one side of the split plant-growing bag along the downward direction of the slope body is abutted with a second anchor pile, and the second anchor pile is anchored on the slope body. The invention limits the plant biological bags through the protective baffle, forms stable binding force to the slope body of the inclined plane, enhances the traction force between the support structure of the plant biological bags and the side slope, and improves the stability of the whole system, thereby achieving the purposes of preventing water and soil loss, improving landscape effect and promoting ecological restoration.
Description
Technical Field
The invention belongs to the technical field of slope protection, and particularly relates to a slope protection re-greening structure based on a long-strip vegetation bag.
Background
The rock slope has poor standing conditions and great ecological restoration difficulty, and the traditional method is difficult to implement effective greening, so the rock slope is a difficulty and a hot spot in the field of ecological restoration. In recent years, China carries out deeper research on ecological restoration of rock slopes, and obtains a series of achievements. Wherein, the method for greening the plant growth bag side slope is a better ecological restoration method for the rocky side slope. The general method comprises the following steps: leveling a slope surface, pouring lattice beams on the slope surface at intervals, stacking plant growth bags in a shape like a Chinese character 'pin' from bottom to top, and finally performing greening by adopting methods such as manual punching bag seedling planting or net hanging soil replacement spray seeding. The method fixes the plant growth bags and the vegetation through the supporting force of the lattice beams, although the overall stability is good, the engineering investment is large, the lattice beams and other parts cannot be greened, and the landscape effect needs to be further improved.
A municipal administration side slope protection system like patent publication No. CN204023583U, this system through piling up the planting bag and the planting pond that the interval set up from bottom to top on the side slope, reach the purpose that the side slope is green again, though there is certain view effect, but anchoring nature has certain defect, when receiving stronger rainwater to erode, the planting bag can take place to drop, not only can destroy ecology, still can influence people's life safety.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problem to be solved by the embodiment of the invention is to provide a slope protection re-greening structure based on the strip vegetation bags, which can effectively fix soil and plants, prevent rainwater from washing soil layers and vegetation, effectively keep water and soil and have a good landscape effect.
In order to solve the technical problems, the invention provides the following technical scheme:
a slope protection re-greening structure based on a long-strip plant biological bag comprises an inclined slope body, a long-strip plant biological bag and a first anchor pile, and is characterized in that the inclined slope body is provided with a plurality of long-strip plant biological bags in parallel along a downward slope direction, the long-strip plant biological bags are bundled into a plurality of plant biological bag split bodies through extrusion, a protective baffle is arranged outside the extrusion bundling position of the long-strip plant biological bags along one side of the downward slope direction, one end of the protective baffle extends to the bottom of the plant biological bag split body, and the bottom end of the first anchor pile penetrates through the plant biological bag split bodies and the protective baffle at the bottom of the plant biological bag split bodies and is anchored on the inclined slope body along the vertical direction; the edge of the protective baffle plate positioned on one side of the outer part of the plant biological bag split body along the downward direction of the slope body is abutted with a second anchor pile, and the second anchor pile is anchored on the slope body along the vertical direction of the plane where the slope body is positioned.
Preferably, the first anchor pile and the second anchor pile are L-shaped anchor rods, and the top of the first anchor pile between adjacent first anchor piles is abutted against the bottom of the top of the second anchor pile.
Specifically, the first anchor pile comprises a first anchor rod, the second anchor pile comprises a second anchor rod, and the first anchor rod and the second anchor rod which are intersected in the inclined slope body are fixedly connected together.
Specifically, first stock is including consecutive pole body section, adapter sleeve and anchor section, be equipped with the grout hole that holds first stock on the excircle of first anchor pile, the self tapping precession pole of second stock for having continuous cold roll extrusion drilling rod screw thread, the tip screw in adapter sleeve of second stock links to each other with first anchor pile, grout is filled all around to downthehole first stock of grout.
Specifically, a hill top smooth transition surface is arranged at the top of the slope body, a row of cast-in-place concrete piles corresponding to the first anchor pile are arranged on the hill top smooth transition surface, and the top of each cast-in-place concrete pile is connected with the first anchor pile at the top end of the slope body through a concrete connecting beam.
Specifically, a matrix is arranged in the plant growing bag and comprises planting soil, an organic fertilizer, a microbial agent and a water-retaining agent, wherein the planting soil is local surface soil or improved soil, and the organic fertilizer is one or a mixture of peat soil, mushroom fertilizer and coconut coir.
Specifically, a hanging net is arranged above the plant growth bag, the hanging net is a galvanized wire net or a plastic-coated wire corrugated net, and the second anchor pile is bound and fixed with the hanging net through a wire.
Specifically, the mixed spraying plant growth layer is arranged above the hanging net and provided with herbaceous and shrub seeds. The mixed spraying vegetation layer containing herbaceous and shrub seeds is sprayed by a wet spraying machine, and the slurry vegetation base material is sprayed to the slope surface of the hanging net to be matched with the vegetation bag, so that the thickness of the vegetation layer is increased, sufficient nutrients and moisture needed by vegetation can be provided, the survival rate of the vegetation is improved, and the greening coverage rate is increased.
Specifically, an impermeable layer is laid between the left and right adjacent long plant biological bags. The impermeable layer is arranged between the two long plant biological bag layers, and can enhance the slope fixing and slope sliding resistance.
Specifically, the protective baffle is L-shaped and comprises an L-shaped body and an L-shaped protrusion, and the L-shaped protrusion is distributed on the outer side surface of the slope surface of the plant growth bag in the downward direction. The mixed spraying plant growth layer and the plant growth bag are pocketed by the L-shaped bulges, so that the capabilities of slope fixation, soil fixation and landslide resistance can be enhanced.
Concretely, the front end of guard flap is equipped with the installation of tying up the department position with rectangular plant biological bag's extrusion and keeping away the dead slot, the lateral part of keeping away the dead slot is equipped with closed locking structure, locking structure is detained including connecting rod and the location that distributes in the protruding inboard of L shape, the connecting rod articulates in one side of keeping away the dead slot, the opposite side at keeping away the dead slot is fixed to the location knot, the location is detained and is provided with and be used for holding the constant head tank of connecting rod.
Compared with the prior art, the invention has the beneficial effects that:
1. the long-strip plant growth bag is in a tube bag shape, can be extruded, bundled and split according to construction requirements, can be spliced, is not limited to whether the slope surface is smooth or not, is favorable for quick construction, and can obviously improve the construction efficiency; the plant biological bag is limited through the protective baffle, is anchored in the vertical direction in cooperation with the first anchor pile, and is supported along the outer side of the lower part of the slope in cooperation with the second anchor pile, so that double fixed support of the plant biological bag is realized; meanwhile, the top of the first anchor pile between adjacent anchor piles is abutted against the top of the second anchor pile, so that the decomposition and synthesis of force are realized on acting force, the stable binding force on an inclined slope is formed, the first anchor pile and the second anchor pile are penetrated into an inclined slope soil layer, the traction force between the vegetation bag supporting structure and the side slope is greatly enhanced, the integral stability of the system is improved, the whole structure keeps stable shape and consolidates the appearance of the side slope when being subjected to rainwater washing, and therefore the purposes of preventing water and soil loss, improving landscape effect and promoting ecological restoration are achieved.
2. Through set up the bored concrete pile at the mountain top smooth transition face, the bored concrete pile links to each other through anchor stake concrete tie-beam and the first anchor pile in the inclined plane top of inclined plane slope body, because the bored concrete pile is inside the mountain top smooth transition face gos deep into the soil layer, after forming with the anchor pile of inclined plane slope body and being connected, utilize the angle that mountain top smooth transition face and bored concrete pile formed to effectively alleviate the load of each anchor pile, further strengthen supporting construction's stability to prevent that the side slope from collapsing and influencing its security performance.
Drawings
FIG. 1 is a schematic view of a revetment re-greening structure based on a strip vegetation bag according to the present invention;
FIG. 2 is a schematic view of a top view of a revetment greening structure based on a strip vegetation bag according to the present invention;
FIG. 3 is an enlarged view of area A of FIG. 1;
FIG. 4 is a schematic structural view of a guard shield;
fig. 5 is a schematic structural view of the first anchor rod.
In the figure: 1-slope, 2-plant growth bag split, 3-first anchor pile, 31-rod body section, 32-connecting sleeve, 33-anchoring section, 34-connecting hole, 4-protective baffle, 5-second anchor pile, 6-grouting hole, 7-hill top smooth transition surface, 8-concrete pouring pile, 9-concrete connecting beam and 10-hanging net.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
With reference to fig. 1 and fig. 2, the present embodiment provides a slope protection re-greening structure based on a strip vegetation bag, which includes a slope body 1 and a first anchor pile 3, a plurality of strip plant biological bags are arranged on the slope body in parallel along the downward direction of the slope, the strip plant biological bags are bundled into a plurality of plant biological bag split bodies 2 by extrusion, a protective baffle 4 is arranged at one side of the external part of the extrusion bundling position of the long-strip plant biological bag along the downward direction of the inclined plane, one end of the protective baffle 4 extends to the bottom of the plant growth bag split body 2, the bottom end of the first anchor pile penetrates through the plant growth bag split body 2 and the protective baffle 4 at the bottom of the plant growth bag split body 2 and is anchored on the slope body 1 along the vertical direction, the edge of the protective baffle positioned at one side of the outer part of the plant growth bag split body 2 along the downward direction of the slope body 1 is abutted with a second anchor pile 5, and the second anchor pile 5 is anchored on the slope body along the direction vertical to the plane of the slope body 1. . Through above-mentioned structure, guard flap prescribes a limit to the planting bag components of a whole that can function independently, and the first anchor pile of cooperation will plant the planting bag components of a whole that can function independently and anchor in vertical direction to and the cooperation second anchor pile supports the planting bag components of a whole that can function independently along slope lower part outside, realize carrying out dual fixed stay to the planting bag.
The invention adopts a long-strip plant growth bag, the long-strip plant growth bag 5 is made of polypropylene non-woven fabric through double-sided ironing and needling reinforcement and is in a tubular bag shape, the length of the long-strip plant growth bag can be prefabricated according to the actual length of the slope, the long-strip plant growth bag can be spliced, and the diameter is usually 10-12 cm. The conventional small plant biological bags generally require that the slope surface is firstly flattened, impurities are removed, particularly, the hollow part is filled with soil and is tamped, particularly, an arched framework is required to be poured for stacking, the landscape is poor, the greening effect is poor, and new wounds are easily formed on the side slope; because vertical distribution after the construction can prevent the loss of filler in the plant biological bag, can realize the normal circulation of moisture in soil again to reduce the hydrostatic pressure on side slope, the characteristic of plant biological bag soil conservation has also kept soil and water and vegetation to rely on the medium of existence simultaneously. The plant growing bag material is friendly to plants, enables the plants to freely grow through the bag body, and is beneficial to various excellent performances such as plant root growth and the like.
In this embodiment, the first anchor pile 3 includes a first anchor rod, the second anchor pile 5 includes a second anchor rod, and the first anchor rod and the second anchor rod which are intersected in the inclined slope body 1 are fixedly connected together. Through above-mentioned structure, the plant growth bag components of a whole that can function independently and the plant on the slope surface of inclined plane slope body continuously produces the effort to the second stock under the action of gravity, and this effort can combine with first stock on first stock, second stock fixed connection's basis, forms triangle-shaped stable structure, further improves the firm in connection nature between anchor pile and the side slope soil.
Combine fig. 3 and fig. 4, first stock is including consecutive body of rod section 31, adapter sleeve 32 and anchor section 33, be equipped with the grout hole 6 that holds first stock 3 on the excircle of first anchor pile 3, the second stock is the self tapping precession pole that has continuous cold roll extrusion drilling rod screw thread, the tip screw in adapter sleeve 32 of second stock links to each other with first anchor pile 3, grout or concrete have been poured all around to first stock in the grout hole 6. During specific construction, a long spiral drilling machine is used for pressing and grouting the first anchor pile position to form a grouting hole, after the pile is formed, a self-tapping screw-in rod of the second anchor rod 5 is used for drilling a soil body into the second anchor pile position and extending into the grouting hole 6, after the front end of the second anchor rod enters the grouting hole, the first anchor rod 3 is inserted into the grouting hole pile, and then cement paste or concrete is poured. And cement is injected into the bottom of the side slope through the anchor piles, so that the stability of the whole supporting structure can be further improved, and the side slope collapse is prevented.
As an alternative, the connecting sleeve 32 has a connecting bore 34 in which the second anchor rod is inserted. Before the front end of the second anchor rod enters the grouting hole, the first anchor rod is inserted, the front end of the second anchor rod is aligned to the connecting hole 34, and the front end of the second anchor rod penetrates into the connecting hole 34, so that stable connection between the front end of the second anchor rod and the connecting hole is guaranteed.
Specifically, a hanging net 10 is arranged above the plant growth bag split body 2, the hanging net 10 is a galvanized wire net or a plastic-coated wire corrugated net, and the second anchor pile 5 is bound and fixed with the hanging net 10 through a wire. And hanging and laying a hanging net on the slope surface on which the plant biological bags are laid, and then binding and fixing the hanging net through second anchor piles, so that the plant biological bags and the galvanized wire netting are reliably fixed.
With reference to fig. 1 and 3, a hill top smooth transition surface 7 is arranged at the top of the slope body 1, a row of cast-in-place concrete piles 8 corresponding to the first anchor piles 3 are arranged on the hill top smooth transition surface 7, and the top of the cast-in-place concrete pile 8 is connected with the first anchor pile 3 at the top end of the slope body 1 through a concrete connecting beam 9. Through set up the bored concrete pile at mountain top smooth transition face, the bored concrete pile passes through and links to each other with the first anchor pile in the inclined plane top of inclined plane slope body through anchor pile concrete tie-beam, because the bored concrete pile is inside the mountain top smooth transition face gos deep into the soil layer, after forming the connection with the anchor pile of inclined plane slope body, at the concrete tie-beam, the net hangs, first stock, and with the combined action of second stock, utilize the angle that mountain top smooth transition face and bored concrete pile formed effectively to alleviate the load of each anchor pile, the stability of supporting construction is further strengthened, in order to prevent that the side slope from collapsing and influencing its security performance.
Specifically, a substrate is arranged in the plant growth bag split body 2, and comprises planting soil, an organic fertilizer, a microbial agent, a water-retaining agent and the like, wherein the planting soil is local surface soil or improved soil, and the organic fertilizer is peat soil, mushroom fertilizer, coconut chaff and the like. The plant cultivation medium which is fermented by local agricultural and forestry wastes is largely used in the medium, so that the medium not only contains mineral substances and nutrients required by plant growth, but also contains a large amount of beneficial microorganisms, the growth speed of slope plants is accelerated, and the vegetation coverage rate is greatly improved.
Specifically, a mixed spraying plant growth layer (not shown in the figure) is arranged above the hanging net 10, and the mixed spraying plant growth layer is provided with herbaceous and shrub seeds. The mixed spraying vegetation layer containing herbaceous and shrub seeds and the slurry vegetation base material are sprayed to the slope surface of the hanging net through the wet spraying machine, so that the mixed spraying vegetation layer and the slurry vegetation base material are matched with the vegetation bag, the thickness of the vegetation layer is increased, enough nutrients and water needed by vegetation can be provided, the survival rate of the vegetation is improved, and the greening coverage rate is enlarged. After the construction of the structure, a mixed spraying vegetation layer with the thickness of 10cm is formed, and the composition of the mixed spraying vegetation layer also comprises sieved loess, organic compost, turf, compound fertilizer, water-retaining agent and rubber powder; then, a layer of non-woven fabric is covered on the mixed spraying plant growth layer to prevent the mixed spraying plant growth layer from being washed away by rainwater or during watering.
In this embodiment, an impermeable layer is laid between the adjacent plant growth bag split bodies 2. The impermeable layer is arranged between two adjacent plant biological bag layers, and can enhance the slope fixing and slope sliding resistance. Wherein, the middle of barrier layer is the cambered surface, and the material of barrier layer is the tarpaulin.
As shown in fig. 3, the protective baffle 4 is L-shaped, and includes an L-shaped body 41 and L-shaped protrusions 42, and the L-shaped protrusions 42 are distributed on the outer side surface of the plant growth bag split body 2 in the downward direction of the slope surface. The mixed spraying plant growth layer and the plant growth bag are separately covered by the L-shaped bulges, so that the capabilities of slope fixation, soil fixation and landslide resistance can be enhanced. The front end of the protective baffle is provided with an installation clearance groove corresponding to the position of the extrusion bundling position of the long-strip plant biological bag.
In order to avoid guard flap 4 to exert an influence to the construction, guard flap 4's front end is equipped with the installation that the department position corresponds is tied up with rectangular plant biological bag's extrusion and is kept away dead slot 43, the lateral part of keeping away dead slot is equipped with closed locking structure, locking structure detains 45 including distributing at the protruding 42 inboard connecting rod 44 of L shape and location, the connecting rod articulates in the one side of keeping away dead slot, the opposite side at keeping away dead slot is fixed to location knot 45, the location is detained and is provided with and be used for holding connecting rod 44's constant head tank. After the protective baffle 4 is placed into the plant biological bag split body 2, the protective baffle is pushed into the positioning groove through the rotating connecting rod 44, and then the opening position of the whole clearance groove is closed, so that the stability of the whole stress is ensured.
When the slope protection re-greening structure is used for concrete construction, after a side slope 1 is cleaned, excessive slope surface leveling is not needed to be carried out on an original slope body, a plurality of grouting holes 6 are firstly drilled in the slope body 1, a long-strip plant growth bag is extruded and tied into a plurality of plant growth bag split bodies 2, a protective baffle 4 is placed at the extrusion tying position, an L-shaped body 41 of the protective baffle is pressed into the bottoms of the plant growth bag split bodies 2, a long spiral drilling machine is used for pressing and grouting the position of a first anchor pile 3 to form a grouting hole, after the pile is formed, a self-tapping screw rod of a second anchor rod 5 is used for drilling a soil body in the position of the second anchor pile 5 and extending into the grouting holes 6, after the front end of the second anchor rod enters the grouting holes, the first anchor rod sequentially penetrates through the plant growth bag and the protective baffle 4 from top to bottom and extends into the grouting holes, and then cement paste or concrete is poured. Due to the action of the protective baffle, the invention can avoid erecting lattice beams or concrete protective beams on the side slope independently, thereby greatly reducing the construction difficulty and saving the construction cost.
Through the ecological slope protection re-greening structure, double fixing support can be realized for the plant biological bags; meanwhile, the top of the first anchor pile between adjacent anchor piles is abutted against the top of the second anchor pile, so that the decomposition and synthesis of force are realized on acting force, the stable binding force on the slope body is formed, and the first anchor pile and the second anchor pile penetrate into the soil layer of the slope body, so that the connecting acting force between the vegetation bag supporting structure and the side slope is greatly improved. The load of each anchor pile is effectively reduced by utilizing the angle formed by the mountain top smooth transition surface and the concrete cast-in-place pile, and the stability of the supporting structure is further enhanced, so that the safety performance of the side slope is prevented from being influenced by the collapse of the side slope. Meanwhile, through engineering measures, water and soil loss is prevented, and the growth of plants can be ensured by fixing fertilizer, so that the whole structure keeps stable shape and consolidates the appearance of the side slope when being subjected to rain wash.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (8)
1. A slope protection re-greening structure based on a long-strip plant biological bag comprises an inclined slope body, a long-strip plant biological bag and a first anchor pile, and is characterized in that the inclined slope body is provided with a plurality of long-strip plant biological bags in parallel along a downward slope direction, the long-strip plant biological bags are bundled into a plurality of plant biological bag split bodies through extrusion, a protective baffle is arranged outside the extrusion bundling position of the long-strip plant biological bags along one side of the downward slope direction, one end of the protective baffle extends to the bottom of the plant biological bag split body, and the bottom end of the first anchor pile penetrates through the plant biological bag split bodies and the protective baffle at the bottom of the plant biological bag split bodies and is anchored on the inclined slope body along the vertical direction; the edge of the protective baffle plate positioned on one side of the outer part of the plant biological bag split body along the downward direction of the slope body is abutted with a second anchor pile, the second anchor pile is anchored on the slope body along the direction vertical to the plane of the slope body, the first anchor pile and the second anchor pile are T-shaped anchor rods, and the top of the first anchor pile between adjacent anchor piles is abutted below the top of the second anchor pile; the first anchor pile comprises a first anchor rod, the second anchor pile comprises a second anchor rod, and the first anchor rod and the second anchor rod which are intersected in the slope body are fixedly connected together.
2. The slope protection greening structure based on the long plant growth bags as claimed in claim 1, wherein the first anchor rod comprises a rod body section, a connecting sleeve and an anchoring section which are connected in sequence, a grouting hole for accommodating the first anchor rod is formed in the outer circle of the first anchor pile, the second anchor rod is a self-tapping screw-in rod with continuous cold rolling drill rod threads, the end portion of the second anchor rod is screwed into the connecting sleeve to be connected with the first anchor pile, and cement slurry is poured around the first anchor rod in the grouting hole.
3. The slope protection regreening structure based on the long plant growth bags as claimed in claim 1, wherein a mountain top smooth transition surface is arranged at the top of the slope body, a row of cast-in-place concrete piles corresponding to the first anchor pile are arranged on the mountain top smooth transition surface, and the top of each cast-in-place concrete pile is connected with the first anchor pile at the top of the slope body through a concrete connecting beam.
4. The revetment greening structure based on elongated plant growth bags according to any one of claims 1 to 3, wherein a matrix is disposed in the plant growth bags, and the matrix comprises planting soil, organic fertilizer, microbial agent and water retention agent, wherein the planting soil is local surface soil or modified soil, and the organic fertilizer is one or more of peat soil, mushroom fertilizer and coconut coir.
5. The revetment greening structure based on the strip vegetation bags of claim 1, wherein a hanging net is arranged above the vegetation bags, the hanging net is a galvanized wire net or a plastic-coated wire corrugated net, and the second anchor piles are bound and fixed with the hanging net through wires.
6. The slope protection regreening structure based on the long plant growth bags as claimed in claim 5, wherein a mixed spraying plant growth layer is arranged above the hanging net, and the mixed spraying plant growth layer is provided with herbaceous and shrub seeds.
7. The slope protection regreening structure based on the long-strip plant growth bags as claimed in claim 6, wherein the protective baffle is L-shaped and comprises an L-shaped body and L-shaped protrusions, and the L-shaped protrusions are distributed on the outer side surface of the plant growth bag in the downward direction of the split slope surface.
8. The slope protection regreening structure based on the long plant biological bags as claimed in claim 7, wherein the front end of the protective baffle is provided with an installation clearance groove corresponding to the position of the extrusion binding position of the long plant biological bags, the side part of the clearance groove is provided with a closed locking structure, the locking structure comprises a connecting rod and a positioning buckle distributed on the inner side of the L-shaped protrusion, the connecting rod is hinged to one side of the clearance groove, the positioning buckle is fixed to the other side of the clearance groove, and the positioning buckle is provided with a positioning groove for accommodating the connecting rod.
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| CN114982595B (en) * | 2022-06-30 | 2024-06-28 | 北京林业大学 | Matrix for rapid greening of bare mountain and screening method thereof |
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