CN109826213B - Slope reinforcing structure - Google Patents
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- CN109826213B CN109826213B CN201910208400.4A CN201910208400A CN109826213B CN 109826213 B CN109826213 B CN 109826213B CN 201910208400 A CN201910208400 A CN 201910208400A CN 109826213 B CN109826213 B CN 109826213B
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Abstract
The invention provides a slope reinforcing structure, which comprises a protective pipe network laid on the surface of a slope, wherein the protective pipe network comprises a plurality of transverse conveying pipes and a plurality of longitudinal conveying pipes fixed together with the transverse conveying pipes in a staggered manner, the transverse conveying pipes are provided with liquid discharge holes, the lower tail end of each transverse conveying pipe is communicated with the lower tail end of the longitudinal conveying pipe, the protective pipe network also comprises a liquid supply pipe positioned at the top, and the upper tail end of each longitudinal conveying pipe is communicated with the liquid supply pipe. The plant fiber pipe made of degradable materials is used as a main body of the protection pipe network, the protection pipe network not only provides enough holding power for mixed soil in the middle period and prevents the mixed soil from losing, but also provides a nutrition conveying channel for the growth of early-stage microorganisms, and can also convey water and nutrients for the growth of plants in the later period, and after the mixed soil is covered, the protection pipe network covered by the mixed soil is gradually decomposed to provide nutrients for the growth of plants, so that the growth of plants is promoted, and the protection pipe network is environment-friendly and convenient.
Description
Technical Field
The invention relates to the technical field of slope reinforcement, in particular to a slope reinforcement structure.
Background
With the development of national economy of China, the construction of basic traffic facilities enters a rapid development stage. A large amount of slope engineering can appear when roads and railways are built in mountainous and hilly areas in China. In order to ensure the normal operation of traffic facilities, the protection of slope engineering is very important. At present, reinforced structures such as anchor rods (cables), grid nets, reinforced concrete and the like are generally adopted. However, these reinforcing structures consume a large amount of building materials and have certain environmental impact, such as: the reinforced concrete reinforcing structure needs to consume a large amount of reinforced concrete materials in construction, wastes labor and materials and is not environment-friendly.
The existing slope reinforcement method generally adopts a mode of pouring concrete and/or planting green plants for reinforcement, and is suitable for reinforcing the slope by matching the mode of pouring concrete with green plants for the slope of a road or a railway with lower height, and the slope greening treatment is widely applied to the slope of the road or the railway and achieves good results. In addition, the open-pit mining mine can generate destructive damage to surface vegetation, along with the mining of ores, an open-pit stope side slope can be formed, the surface of the side slope is exposed, no vegetation grows, the environment is greatly affected, and natural disasters such as landslide and the like are easily generated under the erosion of rainwater. At present, most mining enterprises do not adopt a systematic treatment scheme for the open stope side slope, and few mining enterprises perform revetment treatment such as vegetation greening and the like on the open stope side slope.
For the side slope of the open stope of the mine engineering, the height of the side slope can reach more than 200 meters, and concrete pouring is inconvenient on one hand, long in construction period on the other hand, large in manpower and material resource consumption, not environment-friendly and not advisable; furthermore, the side slope of an open stope is generally higher and steeper, water and nutrients required for plant growth are difficult to gather on the surface of the side slope, and plants are difficult to survive, so that a new technology is needed to provide water and nutrients for plants growing on the high and steep side slope to promote growth.
Because the root is not pricked and the plant is not survived in the early green planting period, a protective net needs to be laid on the upper layer and/or the lower layer of the vegetable layer, and typically, the spray-seeding-free side slope protection net cushion disclosed in Chinese patent 201810190098.X comprises a five-layer structure which comprises a first grid layer, a flow guide layer, a vegetable layer, a degradable cotton net layer and a second grid layer from top to bottom in sequence, wherein the five-layer structure is fixed into an integrated structure through a plurality of fastening lines in a shuttling mode, and the first grid layer, the flow guide layer and the second grid layer are all made of plastics which cannot be degraded and are not environment-friendly. In addition, chinese patent 201810745752.9 discloses a plant fiber blanket for ecological protection of highway side slopes, which comprises a lower sizing net, a mixed fiber layer, a carrier film layer, a plant growth layer, a fiber covering layer and an upper sizing net, which are sequentially arranged from bottom to top, and is also of an integrated structure, wherein the mixed fiber layer, the carrier film layer and the fiber covering layer are all degradable plant fibers, but the upper sizing net and the lower sizing net, which are main components for supporting the fixing function, are both PP nets, which are not degradable and are not environment-friendly. In addition, chinese patent 201811203736.3 discloses an ecological slope protection method for slope plant growth, which comprises burying non-woven fabric in the soil at the top of the slope, laying grass-planting grid woven by palm bark on the non-woven fabric, backfilling garden soil on the grass-planting grid, and sowing grass seeds on the garden soil.
The surface of the side slope of the open stope is generally bare rock, a plurality of micro cracks are generated inside the side slope under the action of a blasting mining mode, and the cracks are easy to develop under the action of rainwater invasion, so that the overall stability of the side slope is influenced finally. It is desirable to use a technique to heal the fracture and prevent further development. The microbial geotechnical technology is one of the most innovative technical fields of the current geotechnical engineering, and creatively utilizes abundant natural non-toxic microbial resources to modify the microcosmic structure and composition of the geotechnical engineering so as to improve the engineering mechanical properties, including strength, rigidity, permeability and the like. The microbial rock-soil technology can be applied to the fields of rock-soil body reinforcement, seepage prevention and leakage stoppage of dams and structures in soil, sandy soil liquefaction prevention and control, concrete crack repair and the like.
At present, the microbial geotechnical engineering technology mainly adopts MICP (microbial induced carbonate crystallization), namely a microbial induced calcium carbonate crystallization technology, and the basic principle is that urea is hydrolyzed to generate carbonate ions under the catalysis of urease which is a microbial metabolism product, and the carbonate ions react with free calcium ions in a system to generate calcium carbonate precipitates with a gelling effect. The gelled precipitates can not only fill pores, but also bond sand grains, thereby improving the mechanical property of rock-soil bodies. For example, chinese patent 201710815243.4 discloses a method for reinforcing a heap slope by using microorganisms, but the scheme proposes to reinforce the slope by using the deposition of the microorganisms, but the operation of injecting concrete mortar into an injection pipe of a microorganism nutrient solution mixed liquid is required in the later stage of the scheme, and the operation is troublesome, and the concrete is not degradable, which is not environment-friendly.
Therefore, there is a need in the art for an environmentally friendly solution that provides sufficient soil support and is easy to operate.
Disclosure of Invention
The invention aims to provide a slope reinforcement structure to solve the problems in the background technology.
The utility model provides a side slope reinforced structure, is including being used for laying the protection pipe network at the side slope surface, the protection pipe network comprises a plurality of plant fiber pipes (20) of taking central through-hole (202) crisscross, be equipped with on the plant fiber pipe wall and let in drain hole (201) of central through-hole from the external world.
Furthermore, the inner diameter of the plant fiber pipe is 4-10 mm, the outer diameter of the plant fiber pipe is 8-18 mm, and the plant fiber pipes (20) are vertically arranged in a staggered mode.
And the liquid discharge hole on the outer wall of the plant fiber pipe is arranged along the radial direction of the plant fiber pipe.
Preferably, the plant fiber pipe is made of one or more of wood fiber, bamboo fiber, bagasse, wheat straw, straw or other herbaceous plants through crushing, mixing, bonding and pressing.
Furthermore, the plant fiber pipe comprises a transverse conveying pipe and a longitudinal conveying pipe, the protection pipe network comprises a plurality of transverse conveying pipes and a plurality of longitudinal conveying pipes which are fixed with the transverse conveying pipes in a staggered mode, the liquid discharge holes are formed in the transverse conveying pipes, the protection pipe network further comprises liquid feeding pipes which are transversely arranged above the transverse conveying pipes, the upper tail ends of the longitudinal conveying pipes are communicated with the liquid feeding pipes, the other end of at least one longitudinal conveying pipe is communicated with each transverse conveying pipe, the longitudinal conveying pipes communicated with the transverse conveying pipes are different, and mixed liquid, nutrient solution or irrigation water can reach all places of the slope surface of the side slope by conveying the mixed liquid, the nutrient solution or the irrigation water through the liquid feeding pipes arranged at the top end of the protection pipe network.
Further, the transverse conveying pipe and the longitudinal conveying pipe are communicated through a communicating short pipe (25), the outer diameter of the communicating short pipe is smaller than that of the transverse conveying pipe and the longitudinal conveying pipe, connecting holes matched with the tail ends of the communicating short pipes are formed in the transverse conveying pipe and the longitudinal conveying pipe, and the two ends of the communicating short pipe are clamped into the connecting holes formed in the transverse conveying pipe and the longitudinal conveying pipe respectively to achieve communication between the transverse conveying pipe and the longitudinal conveying pipe.
Or the transverse conveying pipes are communicated with the lower tail ends of the longitudinal conveying pipes through T-shaped pipe joints, the lower tail ends of at least one longitudinal conveying pipe are communicated with the transverse conveying pipes, the positions of the transverse conveying pipes communicated with the longitudinal conveying pipes and the positions of the liquid feeding pipes communicated with the longitudinal conveying pipes are all arranged to be segmented structures, the T-shaped pipe joints are arranged at the segmented positions, and the transverse conveying pipes are communicated with the longitudinal conveying pipes and the longitudinal conveying pipes are communicated with the liquid feeding pipes through the T-shaped pipe joints.
Furthermore, the protection pipe network still includes the longitudinal tie rod, the longitudinal tie rod with horizontal conveyer pipe cross-over connection, part the longitudinal tie rod is as the extension part of vertical conveyer pipe, in horizontal conveyer pipe and the intercommunication position downwardly extending of vertical conveyer pipe and with the crisscross fixed connection of each horizontal conveyer pipe of below.
The T-shaped pipe joint, the longitudinal connecting rod and the liquid feeding pipe are made of degradable materials which are the same as or similar to the plant fiber pipe.
Furthermore, the staggered joints of the transverse conveying pipes and the longitudinal conveying pipes and the staggered joints of the transverse conveying pipes and the longitudinal connecting rods are all tied up and fixed through plant fiber braided strips.
Further, the protection pipe network is fixed on the slope surface through an anchoring member, and the anchoring member is preferably a wood pile.
Furthermore, the stake is L shape structure, and slope surface is pricked into to the stake one end of L shape structure, and the body of horizontal conveyer pipe is hooked to the other end.
Furthermore, a group of liquid discharge holes are distributed along the axial direction of the transverse conveying pipe at intervals of 10-50 cm. Each group the outage is 3 ~ 5 in same radial plane, and the one end of 3 ~ 5 outage in same radial plane all communicates with each other with the central through-hole of plant fiber pipe, and the other end all leads to plant fiber pipe towards the domatic one side of slope, and the bottom position of plant fiber pipe inner wall is avoided to the entry of outage, and the top position of plant fiber pipe outer wall is avoided to the export of outage, can make the liquid in the plant fiber pipe can be evenly carried everywhere in the plant fiber pipe like this, ensures that liquid more even carries everywhere, and can not cause the jam of outage and plant fiber pipe again.
The invention has at least the following beneficial effects:
the plant fiber pipe made of degradable materials is used as a main body of the protection pipe network, the protection pipe network is formed by staggering a transverse conveying pipe and a longitudinal conveying pipe, the protection pipe network not only provides enough fixing force for mixed soil in the middle period and prevents the mixed soil from losing, but also provides a nutrition conveying channel for the growth of early-stage microorganisms and can convey water and nutrients for the growth of plants in the later period, after the mixed soil is covered, the protection pipe network covered by the mixed soil is gradually decomposed to provide nutrients for the growth of the plants and promote the growth of the plants, after the plants survive, the protection pipe network just or soon completely decomposes, does not need to be taken out, and is convenient and environment-friendly.
According to the invention, through reasonably setting the structure of the protection pipe network and reasonably arranging the transverse conveying pipe and the longitudinal conveying pipe, when liquid is conveyed, the liquid can flow to all parts of the slope surface of the side slope more uniformly only by injecting the liquid into the liquid supply pipe at the top of the protection pipe network, the side slope maintenance work is very convenient and rapid, the workload of side slope reinforcement is greatly reduced, and manpower and material resources are saved.
The invention adopts two species of microorganism and plant to reinforce and green the side slope, the side slope reinforcing method has no damage to the environment, and the microorganism can reinforce the side slope and the plant can green the side slope, which well embodies the combined action of the two species and is very suitable for the high and steep side slope of the open stope of the mine.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a side elevational view of a preferred embodiment of the invention;
FIG. 2 is a front view of a protective pipe network according to a preferred embodiment of the present invention;
FIG. 3 is a front view (drain hole is placed upward) of a plant fiber tube (lateral duct) according to a preferred embodiment of the present invention;
FIG. 4 is a cross-sectional view of the plant fiber tube of the preferred embodiment of the present invention at a position where a drain hole is provided;
fig. 5 is a schematic structural view of the transverse conveying pipe and the longitudinal conveying pipe which are communicated through the communication short pipe according to the preferred embodiment of the invention.
In the figure: 1-side slope, 2-protective pipe network, 20-plant fiber pipe, 201-liquid discharge hole, 202-central through hole, 21-transverse conveying pipe, 22-longitudinal conveying pipe, 23-liquid supply pipe, 24-longitudinal connecting rod, 25-communicating short pipe and 3-timber pile.
Detailed Description
Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Referring to fig. 1-4, the slope reinforcement structure comprises a protection pipe network 2 for being laid on the surface of a slope, the protection pipe network is formed by staggering a plurality of plant fiber pipes 20 with central through holes 202, and drain holes 201 leading into the central through holes from the outside are formed in the pipe walls of the plant fiber pipes.
The slope reinforcement structure is used for slope reinforcement and specifically comprises the following steps:
1) and laying the protection pipe network 2 on the surface of the side slope 1.
2) The mixed liquid of the microorganisms and the microorganism nutrient solution is conveyed to the surface of the side slope through the protection pipe network, the microorganisms and the microorganism nutrient solution reach the surface of the side slope through the liquid discharge holes in the pipe wall of the plant fiber pipe, the mixed liquid flows into the deeper side slope through the cracks and the joint surfaces on the surface of the side slope, and the mixed liquid is stopped being conveyed after the cracks and the joint surfaces on the surface of the side slope are filled with the mixed liquid.
3) After the cracks on the surface of the side slope are bonded and healed by the microorganisms, the prepared mixed soil containing plant seeds and nutrient components required by plant growth is paved on the surface of the side slope, so that the mixed soil partially or completely covers the protective pipe network.
4) And conveying irrigation water or nutrient solution to the mixed soil through the protection pipe network.
In this embodiment, the inner diameter of the plant fiber tube is 6mm, and the outer diameter of the plant fiber tube is 10 mm.
In the step 3), the laying thickness of the mixed soil is 2.5cm, and the protective pipe network can be buried.
Referring to fig. 4, in the present embodiment, the drain holes on the outer wall of the plant fiber tube are arranged along the radial direction of the plant fiber tube.
In this embodiment, the plant fiber pipe is made of wood fiber through bonding and pressing, and the plant fiber pipe is a wood pipe.
Referring to fig. 2, in the embodiment, the protective pipe network is shaped like a Chinese character 'jing', the plant fiber pipe comprises a plurality of parallel transverse conveying pipes 21 and a plurality of parallel longitudinal conveying pipes 22, the transverse conveying pipes and the longitudinal conveying pipes are vertically fixed together in a staggered manner, the liquid discharge hole 201 is arranged on the transverse conveying pipe, the longitudinal conveying pipe is not provided with a liquid discharge hole, the protective pipe network also comprises a liquid feeding pipe 23 which is transversely arranged and is positioned above each transverse conveying pipe, the upper tail end of each longitudinal conveying pipe is communicated with the liquid feeding pipe, each transverse conveying pipe is provided with at least one longitudinal conveying pipe, the other end of each longitudinal conveying pipe is communicated with the transverse conveying pipe, the longitudinal conveying pipes communicated with the transverse conveying pipes are different, through the mixed liquid, the nutrient solution or the irrigation water of liquid supply pipe transmission to lieing in protection pipe network top, mixed liquid, nutrient solution or irrigation water alright reach slope surface's each place.
Referring to fig. 5, the transverse conveying pipe is communicated with the longitudinal conveying pipe through a communicating short pipe 25, the outer diameter of the communicating short pipe is smaller than that of the transverse conveying pipe and the longitudinal conveying pipe, connecting holes matched with the tail ends of the communicating short pipe are formed in the transverse conveying pipe and the longitudinal conveying pipe, and two ends of the communicating short pipe are respectively clamped into the connecting holes formed in the transverse conveying pipe and the longitudinal conveying pipe to achieve communication between the transverse conveying pipe and the longitudinal conveying pipe.
Of course, the transverse conveying pipes are communicated with the lower tail ends of the longitudinal conveying pipes through T-shaped pipe joints, the lower tail ends of at least one longitudinal conveying pipe of each transverse conveying pipe are communicated with the transverse conveying pipes, the positions of the transverse conveying pipes communicated with the longitudinal conveying pipes and the positions of the liquid feeding pipes communicated with the longitudinal conveying pipes are all arranged to be segmented structures, the T-shaped pipe joints are arranged at the segmented positions, and the transverse conveying pipes are communicated with the longitudinal conveying pipes and the longitudinal conveying pipes are communicated with the liquid feeding pipes through the T-shaped pipe joints.
Referring to fig. 2, in this embodiment, the protection pipe network further includes solid longitudinal connecting rods 24, the longitudinal connecting rods are connected with the transverse conveying pipes in an interlaced manner to form a # -shaped structure of the protection pipe network, and a part of the longitudinal connecting rods are used as extension parts of the longitudinal conveying pipes, extend downwards at the communication positions of the transverse conveying pipes and the longitudinal conveying pipes, and are connected with the transverse conveying pipes below in an interlaced manner.
The T-shaped pipe joint, the longitudinal connecting rod and the liquid feeding pipe are all made of wood parts.
Referring to fig. 2, in this embodiment, the protective pipe network is fixed on the slope surface by an anchoring member, which is a timber pile 3. The stake is L shape structure, and slope surface is pricked into to the stake one end of L shape structure, and the body of horizontal conveyer pipe is hooked to the other end. In this embodiment, two L-shaped timber piles are disposed at the crossing position of each transverse conveying pipe and the longitudinal conveying pipe or the longitudinal connecting rod, and one ends of the two timber piles exposed outside the slope are crossed with each other to fix the relative position between the transverse conveying pipe and the longitudinal conveying pipe or the relative position between the transverse conveying pipe and the longitudinal connecting rod. The L-shaped wooden piles arranged in a crossed manner at the staggered position of each transverse conveying pipe and the longitudinal conveying pipe or the longitudinal connecting rod can omit the step of bundling the plant fiber braided strips. The thickness of the wooden pile is selected according to the conditions of the side slope angle, the side slope stability and the like, the wooden pile can fix the wooden pipelines to enable the wooden pipelines to be connected with each other to form a net-shaped reinforcing structure, and the side slope is reinforced; and can also play the role of anchoring the side slope, namely the role of an anchor rod.
Referring to fig. 3, in the present embodiment, a group of the liquid discharge holes is distributed at intervals of 30cm along the axial direction of the transverse conveying pipe, and each group of the liquid discharge holes is 5 in the same radial plane.
Referring to fig. 4, each group of the liquid discharge holes are 4 in the same radial plane, one end of each of the 4 liquid discharge holes in the same radial plane is communicated with the central through hole of the plant fiber pipe, the other end of each of the 4 liquid discharge holes is communicated with one side of the plant fiber pipe facing the slope surface of the slope, inlets of the 4 liquid discharge holes are close to the upper part of the inner wall of the plant fiber pipe, and outlets of the 4 liquid discharge holes are close to the lower part of the outer wall of the plant fiber pipe, so that the liquid in the plant fiber pipe can be uniformly conveyed to all positions in the plant fiber pipe, and the liquid is ensured to be uniformly conveyed to all positions.
The main implementation process and principle of the invention are roughly as follows:
1. a well-shaped protective pipe network is paved on the surface of a side slope of an open pit mine, and the inner diameter of a wood conveying pipe (namely a plant fiber pipe) is about 5mm and the outer diameter is about 10 mm. The tube is mainly used for conveying mixed liquid of microorganisms and nutrient solution in the early stage and mainly used for conveying water and nutrient solution required by plants in the later stage. The wood conveying pipe can be slowly corroded, decomposed and converted into nutrient components such as inorganic salt and the like required by plants in a soil body for a long time, and the nutrient components can be absorbed by the plants again, so that the wood conveying pipe has the environment-friendly characteristic compared with the traditional PVC plastic pipe. The pipes are staggered to form a net-shaped # -shaped conveying pipe network (namely a protective pipe network), and one or two conveying openings are reserved on a slope top liquid feeding pipe of the side slope and are mainly used for conveying liquid through the conveying openings. A circle of drain holes is drilled on the transverse conveying pipe at a certain distance, for example 5-10cm, so that various liquids can smoothly flow out of the conveying pipe to reach the slope surface. Of course, the length of each horizontal conveyer pipe and vertical conveyer pipe can be according to the highly suitable setting of side slope, and if single length can be 2 ~ 3 meters, be convenient for transport, if domatic undulation is uneven, can set up the short point, can set up the connecting elbow of degradable material in domatic undulation department, the purpose is laid in order to make the conveyer pipe can be according to the undulation on side slope surface, more can adapt to the surface of specific side slope undulation. The conveying pipe is woven into a net-shaped groined conveying system and fixed on the slope surface by using the wooden piles, so that the side slope can be reinforced to a certain extent, the stability of the side slope is improved, broken stones on the surface of the side slope are prevented from falling off, and people and machines for mining are prevented from being injured.
2. After the wood conveying pipe network in the shape like the Chinese character 'jing' is laid on the surface of the side slope, mixed liquid of microorganisms and nutrient solution is conveyed from the top of the side slope through the liquid feeding pipe, and the mixed liquid reaches each position of the side slope through the conveying pipe and reaches the surface of the side slope through the liquid discharging hole of the conveying pipe. Because the surface of the side slope is provided with a plurality of cracks and joint surfaces, the mixed liquid flows into the deeper side slope through the cracks and the joint surfaces, and the mixed liquid is stopped to be conveyed after the cracks and the joint surfaces on the surface of the side slope are filled with the mixed liquid. The microbial mineralization can automatically heal the cracks and reinforce the side slope. Nutrient substances such as urea and calcium salt solution are provided for specific microorganisms through a wood conveying pipe, the nutrient substances are decomposed to generate carbonate ions by utilizing the catalytic action of urease generated by the microorganisms, the carbonate ions are combined with calcium ions in the surrounding environment to generate calcium carbonate crystals, and the calcium carbonate crystals are gradually solidified and bonded to cracks, so that the purposes of automatically healing the cracks on the surface of the side slope, enhancing the strength and integrity of the rock mass of the side slope are achieved, and the stability of the side slope is finally improved.
3. After stopping filling the mixed liquid into the cracks on the surface of the side slope, paving the prepared mixed soil containing nutrient components and plant seeds required by plant growth on the surface of the side slope, and paving the wood conveying pipe with the thickness of 2-3cm and capable of burying the paved wood conveying pipe. The plant seeds are selected according to the condition of the rock mass of the side slope, such as: there are grass seeds, magnolia multiflora seeds, boswellia seeds, festuca arundinacea seeds, ryegrass seeds, etc. The plants belong to the varieties with fast growth, and can be guaranteed to grow to play a role in fixing the side slope before the wood pipeline is corroded. The variety which grows faster needs more nutrients, so that the moisture and the nutrients are provided for the variety from the root of the variety with great benefit. Can ensure the survival and the rapid growth of the plants.
4. After the plant seeds on the surface of the side slope and the soil body required by the growth of the plant seeds are paved, a small amount of water is conveyed to the mixed soil through the wood conveying pipe paved in the early stage, and the condition that the paved soil body is taken away by a large amount of water formed by water flow is avoided. When the plants run dry in the whole growth process and are lack of water, the water can be supplied to the root systems of the plants through the conveying pipes. The method is simple and convenient to operate, and can avoid water spraying operation on the plants from the upper part of the plants (because the water spraying operation is difficult to perform on a side slope); water is supplied from the roots of the plants, so that water can be saved to a great extent; provide moisture for the plant through the pipeline, can through how much water yield of water gauge monitoring watering, can be scientific provide moisture for the plant, be favorable to the growth of plant. The plants on the side slope, particularly the plants with developed root systems, can improve the shearing resistance of the rock-soil body, improve the integrity of the broken rock-soil body and improve the strength of the rock-soil body; due to the existence of the plants, rainwater can be prevented from immersing into deep rock-soil bodies in a rainstorm season, the integrity of the rock-soil bodies is influenced, and landslide can be effectively prevented.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A side slope reinforcement structure is characterized by comprising a protection pipe network (2) paved on the surface of a side slope and mixed soil for covering the protection pipe network, wherein the mixed soil is mixed soil containing plant seeds and nutrient components required by plant growth, the protection pipe network is formed by staggering a plurality of plant fiber pipes (20) with central through holes (202), and drain holes (201) leading into the central through holes from the outside are formed in the pipe walls of the plant fiber pipes;
the plant fiber pipe comprises a transverse conveying pipe (21) and a longitudinal conveying pipe (22), the protective pipe network comprises a plurality of transverse conveying pipes and a plurality of longitudinal conveying pipes which are fixed with the transverse conveying pipes in a staggered mode, the liquid discharging holes are formed in the transverse conveying pipes, the longitudinal conveying pipes are not provided with liquid discharging holes, the protective pipe network further comprises a liquid feeding pipe (23) which is arranged transversely and located above each transverse conveying pipe, the upper tail end of each longitudinal conveying pipe is communicated with the liquid feeding pipe, the other end of each transverse conveying pipe is communicated with the other end of at least one longitudinal conveying pipe, and the longitudinal conveying pipes communicated with the transverse conveying pipes are different;
the horizontal conveying pipes are communicated with the lower tail ends of the longitudinal conveying pipes through T-shaped pipe joints, the lower tail ends of at least one longitudinal conveying pipe of each horizontal conveying pipe are communicated with the horizontal conveying pipes, the positions of the horizontal conveying pipes communicated with the longitudinal conveying pipes and the positions of the liquid feeding pipes communicated with the longitudinal conveying pipes are arranged into sectional structures, the T-shaped pipe joints are arranged at the sectional positions, and the horizontal conveying pipes are communicated with the longitudinal conveying pipes and the longitudinal conveying pipes are communicated with the liquid feeding pipes through the T-shaped pipe joints; the T-shaped pipe joint is made of degradable materials which are the same as or similar to the plant fiber pipe;
the protective pipe network also comprises longitudinal connecting rods (24), the longitudinal connecting rods are connected with the transverse conveying pipes in a staggered mode, part of the longitudinal connecting rods are used as extending parts of the longitudinal conveying pipes, extend downwards at the communication positions of the transverse conveying pipes and the longitudinal conveying pipes and are fixedly connected with the transverse conveying pipes below in a staggered mode; the material of the longitudinal connecting rod is degradable material which is the same as or similar to the plant fiber tube.
2. The slope reinforcement structure according to claim 1, wherein the inner diameter of the plant fiber pipe is 4-10 mm, the outer diameter of the plant fiber pipe is 8-18 mm, and the plant fiber pipes (20) are vertically staggered.
3. The slope reinforcement structure according to claim 1, wherein the drainage holes on the outer wall of the plant fiber pipe are arranged in a radial direction of the plant fiber pipe, and the plant fiber pipe is a wood pipe.
4. The slope reinforcement structure according to claim 1, wherein the material of the liquid feeding pipe is degradable material the same as or similar to the plant fiber pipe.
5. The slope reinforcing structure according to claim 1, wherein the transverse conveying pipe is communicated with the longitudinal conveying pipe through a communication short pipe (25), the outer diameter of the communication short pipe is smaller than that of the transverse conveying pipe and the longitudinal conveying pipe, connecting holes matched with the tail ends of the communication short pipe are formed in the transverse conveying pipe and the longitudinal conveying pipe, and two ends of the communication short pipe are respectively clamped into the connecting holes formed in the transverse conveying pipe and the longitudinal conveying pipe to achieve communication between the transverse conveying pipe and the longitudinal conveying pipe.
6. The slope reinforcement structure according to claim 1, wherein the joints of the transverse conveying pipes and the longitudinal conveying pipes and the joints of the transverse conveying pipes and the longitudinal connecting rods are tied and fixed by plant fiber braided strips.
7. The slope reinforcing structure of claim 1, further comprising an anchoring member, wherein the protective pipe network is fixed on the slope surface through the anchoring member, the anchoring member adopts a timber pile (3), the timber pile is of an L-shaped structure, one end of the timber pile of the L-shaped structure is inserted into the slope surface, and the other end of the timber pile of the L-shaped structure hooks the pipe body of the transverse conveying pipe.
8. The slope reinforcement structure according to claim 1, wherein a group of the liquid drainage holes is distributed along the axial direction of the transverse conveying pipe at intervals of 10-50 cm, each group of the liquid drainage holes is 3-5 in the same radial plane, one end of each group of the 3-5 liquid drainage holes in the same radial plane is communicated with the central through hole of the transverse conveying pipe, the other end of each group of the liquid drainage holes is communicated with one side, facing the slope surface of the slope, of the plant fiber pipe, the inlet of each liquid drainage hole avoids the bottom position of the inner wall of the plant fiber pipe, and the outlet of each liquid drainage hole avoids the top position of the outer wall of the plant fiber pipe.
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| CN201910208400.4A CN109826213B (en) | 2019-03-19 | 2019-03-19 | Slope reinforcing structure |
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| CN201910208400.4A CN109826213B (en) | 2019-03-19 | 2019-03-19 | Slope reinforcing structure |
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| CN102114658A (en) * | 2010-01-02 | 2011-07-06 | 涂鸿 | Plant fiber pipe body and production method and equipment thereof |
| CN107227743B (en) * | 2017-08-03 | 2020-05-22 | 西安科技大学 | Erosion-resistant and ecological restoration protection method for rock-soil slope |
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