CN216948354U - Ecological protection structure for steep rock slope - Google Patents

Abstract

The utility model provides an ecological protection structure for a steep rock slope, which comprises a plurality of protection belts arranged in parallel along the horizontal extension direction of the slope, wherein each protection belt comprises a soil matrix layer laid close to the slope and a protection layer laid outside the soil matrix layer, the soil matrix layer is formed by stacking a plurality of soil bags side by side, the protection layer is formed by stacking a plurality of forage bags side by side, and the surfaces of the soil matrix layer and the protection layer are respectively provided with a flexible fixing net, so that the soil bags and the forage bags are fixed on the slope in a close fit manner; the utility model is provided with the soil matrix layer and the protective layer which are stacked in a double-layer mode, the protective layer covers the surface of the soil matrix layer, so that rainwater is prevented from directly washing soil to cause soil loss, meanwhile, the protective layer plays a role in water diversion and drainage, hardening caused by the fact that a large amount of water permeates into the soil matrix layer is avoided, finally, plant seeds in the soil matrix layer can successfully germinate and grow, and the stable slope ecological protective layer is constructed.

Description

Ecological protection structure for steep rock slope

Technical Field

The utility model relates to the technical field of ecological protection, in particular to an ecological protection structure for a steep rock slope.

Background

The slope flexible ecological protection is mainly characterized in that plants are planted on the slope or the plants and a flexible structure are combined, and a plant root system or a flexible protection system is utilized to consolidate slope soil to effectively stabilize the slope, so that the purpose of protecting the slope is achieved. The ecological protection also has irreplaceable ecological functions in the aspects of improving the environmental quality, beautifying and purifying the environment, maintaining ecological balance, coordinating the surrounding landscape and the like, and is a green and environment-friendly protection method.

The current ecological protection technology commonly used for the rocky slope comprises a spray seeding plant growth technology, plant growth bags (strips and pots), a floating platform planting groove, a cage hanging brick, a metal hanging planting cage, a planting hole planting seedling, a concrete frame beam method and the like. However, in projects such as mining, quarries, water conservancy and hydropower projects and the like, high and steep rocky slopes with large heights and slopes can be formed by excavation operation, and higher requirements are provided for slope ecological protection systems. When the conventional slope ecological protection system is applied to a high and steep rocky slope, the soil dressing matrix is easy to adhere, and the vegetation falls down easily to fall off integrally; the foreign soil matrix flows gradually loss due to the natural effects of rain wash, wind, ultraviolet rays and the like; under the action of foreign soil matrix, growing vegetation and geological disasters, the high and steep slope has the problems of reduced stability, easy collapse, need of reinforcement and stability and the like.

Chinese patent with application number CN2019108926519 discloses a high and steep rock slope ecological protection system and a construction method thereof, the high and steep rock slope ecological protection system comprises a plurality of protection bodies, each protection body comprises a plant growth bag, a reinforcing rope, a metal flexible net and at least three anchor rods, the anchor rods are anchored on a slope, plant growth bag spaces are formed among the anchor rods, the reinforcing rope is connected with the anchor rods and surrounds the plant growth bag spaces, the metal flexible nets are unfolded and arranged and connected with the reinforcing ropes, the plant growth bags are positioned in the plant growth bag spaces and positioned between the slope and the metal flexible nets, filling ports are formed in the plant growth bags, soil-carrying matrixes are filled in the plant growth bags, the plant growth bags are connected with the anchor rods, and the metal flexible nets tightly press the plant growth bags; the protection bodies are closely arranged to form an ecological protection system covering the side slope.

According to the method, the stacking firmness degree of the plant growth bags is improved by covering the metal flexible net, so that the plant growth bags are not easy to fall off, but in the actual use process, the problems that the soil inside the plant growth bags is lost and the soil is hardened, the seeds are difficult to break the soil and germinate and the like are still easy to occur due to wind and rain. There is therefore a need for a better slope protection structure.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides an ecological protection structure for a steep rock slope, which solves the problem that the ecological slope is difficult to establish because soil is easy to run off or harden and plant growth is influenced when a slope protection system blows wind and rain in the opposite natural environment in the prior art.

According to the embodiment of the utility model, the ecological protection structure for the steep rock slope comprises a plurality of protection belts arranged in parallel along the horizontal extension direction of the slope, each protection belt comprises a soil matrix layer laid close to the slope and a protection layer laid outside the soil matrix layer, the soil matrix layer is formed by stacking a plurality of soil bags side by side, the protection layer is formed by stacking a plurality of forage bags side by side, the surfaces of the soil matrix layer and the protection layer are respectively provided with a flexible fixing net, and the edge of each flexible fixing net is fixed on the slope so as to fix the soil bags and the forage bags close to the surface of the slope.

Further, the filler in the soil bag includes soil, chemical fertilizer and seed, the filler in the forage bag includes straw, corncob core and leaf.

Further, the protecting band still includes spud pile and arresting barrier, the spud pile symmetry sets up in the both sides that flexible fixing net covered the region, and the side slope is fixed in the anchor of spud pile bottom, arresting barrier transversely fixes between each group's spud pile that both sides correspond to cut apart into a plurality of filling areas from last to down with the protecting band in proper order.

Further, the length and width of the filling area are matched with the size of the soil bag and the size of the forage bag.

Furthermore, a metal rope penetrating through the soil bag along the slope inclination direction is further arranged in the soil matrix layer, a plurality of ratchet strips are arranged on the metal rope in a protruding mode, and an included angle formed by the ratchet strips and the metal rope in the downward direction is an acute angle.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model is provided with a soil matrix layer and a protective layer which are stacked in a double-layer manner, and the protective layer covers the surface of the soil matrix layer, so that rainwater is prevented from directly scouring soil to cause soil loss, and meanwhile, the protective layer plays a role in water diversion and drainage, so that hardening caused by the fact that a large amount of water permeates into the soil matrix layer is avoided, plant seeds in the soil matrix layer can be enabled to successfully germinate and grow, and a stable side slope ecological protective layer is constructed;

2. in addition, after the fillers in the forage bags fall into the soil matrix layer below, organic matters can be provided for plant growth, plant growth is promoted better, and establishment of a plant ecological protective layer is accelerated;

3. according to the utility model, the protective belt is divided into a plurality of different filling areas through the fixing piles and the intercepting net, so that soil bags and forage bags can be stacked in each filling area in the processing process, the problems of slipping and the like in the stacking process do not need to be worried about, and the construction is more convenient and safer;

4. the soil bag fixing device has the advantages that the plurality of the ratchets are arranged on the metal rope and the metal rope which penetrate through the soil bag in a protruding mode, soil can be fixed to a certain degree through the ratchets before the plant grows out of the root system, the process of soil loss is slowed down, meanwhile, the direction of the ratchets is opposite to the sliding direction of the soil bag, the soil bag can be prevented from sliding down, and the soil bag is kept fixed.

Drawings

Fig. 1 is a schematic side view of the present invention.

Fig. 2 is a schematic front view of the present invention.

Fig. 3 is an enlarged view of the lateral structure in a single fill area of the present invention.

In the above drawings: 1. a soil bag; 2. a forage bag; 3. a flexible fixing net; 4. fixing the pile; 5. a barrier net; 6. a metal cord; 7. the ratchet is a ratchet.

Detailed Description

The technical solution of the present invention is further described with reference to the drawings and the embodiments.

As shown in fig. 1, an ecological protection structure for a steep rock slope comprises a plurality of protection belts arranged in parallel along the horizontal extension direction of the slope, namely, a single protection belt covers the region of the slope part from top to bottom, and then a plurality of protection belts are transversely arranged in parallel to form a complete protection structure covering the surface of the whole slope.

In the utility model, the protective belt comprises a soil matrix layer paved close to the side slope and a protective layer paved outside the soil matrix layer, wherein the soil matrix layer is formed by stacking a plurality of soil bags 1 side by side, the protective layer is formed by stacking a plurality of forage bags 2 side by side, and the surfaces of the soil matrix layer and the protective layer are respectively provided with a flexible fixing net 3, so that the soil bags 1 and the forage bags 2 are fixed on the side slope in a close fit manner. In the construction process, firstly, a soil matrix layer is laid, the soil bags 1 are stacked on the surface of the side slope side by side orderly, then the first layer of flexible fixing net 3 is covered, the flexible fixing net 3 preferably uses a metal net, then a protective layer is laid, the forage bags 2 are stacked on the surface of the soil bags 1, finally, the second layer of flexible fixing net 3 is covered on the forage bags 2, and the construction is completed after the upper end and the lower end of the flexible fixing net 3 are fixed at the two ends of the side slope.

Further in this embodiment, the filling material in the soil bag 1 includes soil, fertilizer and seeds, and other nutrient elements may also be added, so that the seeds can better germinate and grow. The fillers in the forage bag 2 comprise straws, corncobs and leaves, and the agricultural wastes are recycled, so that the forage bag has a better green and environment-friendly effect. In addition, in order to enhance the green environmental protection effect and better enable the plants to grow and sprout, the soil bag 1 and the forage bag 2 are both woven bags made of plant fibers. After a long time in the natural environment, the fillers in the forage bag 2 are gradually corroded into organic debris, and the organic debris can fall into the soil matrix layer below the forage bag 2, so that organic matters are provided for plant growth, the plant growth is better promoted, and the establishment of a plant ecological protection layer is accelerated.

As shown in fig. 2, in a further scheme of the present invention, the guard band further includes fixed piles 4 and blocking nets 5, the fixed piles 4 are symmetrically disposed on both sides of the area covered by the flexible fixed net 3, the bottom ends of the fixed piles 4 are anchored into the slope for fixing, and the blocking nets 5 are transversely fixed between each group of the fixed piles 4 corresponding to both sides, so as to sequentially divide the guard band into a plurality of filling areas from top to bottom. After the protective belt is divided into smaller filling areas, soil bags 1 and forage bags 2 are respectively stacked in each filling area during construction, and the flexible fixing nets 3 which are smaller and matched with the areas of the filling areas are respectively covered, and at the moment, the flexible fixing nets 3 are fixed through fixing piles 4 and blocking nets 5. Further, the length and width of the filling area are matched with the size of the soil bags 1 and the size of the forage bags 2, in the embodiment, four soil bags 1 are respectively stacked in each filling area in the longitudinal direction and the transverse direction, and sixteen soil bags 1 are respectively stacked in each filling area; two forage bags 2 are longitudinally placed, four forage bags 2 are transversely placed, and eight forage bags 2 are arranged.

As shown in fig. 3, in a further preferred embodiment, a metal rope 6 penetrating through the soil bag 1 in the slope direction is further provided in the soil matrix layer, a plurality of ratchets 7 are protrudingly provided on the metal rope 6, and an included angle between the ratchets 7 and the metal rope 6 in the downward direction is an acute angle. Because of the sharp angle opposite direction of soil bag 1 gliding direction and acute angle, consequently soil bag 1's gliding process can receive the hindrance, avoids soil bag 1 whole gliding, plays better fixed effect of placing. Meanwhile, before the plant root system grows out, the ratchet 7 and the metal rope 6 can also play an integral aggregation protection function on soil, so that the soil is prevented from running off under rainwater.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (4)

1. The utility model provides an ecological protection structure for steep rock matter side slope which characterized in that: including a plurality of protective belts that set up side by side along side slope horizontal extending direction, the protective belt is including hugging closely the soil matrix layer that the side slope was laid and laying the outside protective layer at soil matrix layer, and wherein the soil matrix layer is stacked the formation side by a plurality of soil bags, and the protective layer is stacked the formation side by a plurality of forage bags, soil matrix layer and protective layer surface are equipped with flexible fixed network respectively, thereby the edge of flexible fixed network is fixed and is hugged closely soil bag and forage bag on the side slope and fix on the side slope surface.

2. An ecological protection structure for steep rock slopes according to claim 1, characterized in that: the protective zone still includes spud pile and arresting barrier, the spud pile symmetry sets up in the both sides that flexible spud net covered the region, and the spud pile bottom anchor is gone into the side slope inside fixed, arresting barrier transversely fixes between each group's spud pile that both sides correspond to cut apart into a plurality of filling areas from last to down in proper order with the protective zone.

3. An ecological protection structure for steep rock slopes according to claim 2, characterized in that: the length and width of the filling area are matched with the size of the soil bag and the size of the forage bag.

4. An ecological protection structure for steep rocky slopes according to claim 1, wherein: the soil matrix layer is also provided with a metal rope penetrating through the soil bag along the slope inclination direction, the metal rope is convexly provided with a plurality of ratchet strips, and the included angle between each ratchet strip and the corresponding metal rope in the downward direction is an acute angle.

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