CN213897161U

CN213897161U - Rock slope ecological slope protection structure in high and cold overcast and humid area

Info

Publication number: CN213897161U
Application number: CN202021309841.8U
Authority: CN
Inventors: 马晓锋
Original assignee: Gansu Yuanlong Road And Bridge Mechanization Highway Engineering Co ltd
Current assignee: Gansu Yuanlong Road And Bridge Mechanization Highway Engineering Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-08-06
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses an ecological slope protection structure for a rock slope in a cold and humid area, which comprises a side slope, a greening slope, a wire mesh, a granule spray-seeding layer, a catch basin and a protection leg; the greening slope surface is attached to the side slope, the metal wire mesh is fixedly arranged on the upper surface of the greening slope surface, and the aggregate spray-seeding layer covers the metal wire mesh; the intercepting ditch is opened in the top face of side slope, and the banket is located the bottom of side slope. This ecological slope protection structure of rock slope surface in severe cold overcast and humid area purpose is solved how to construct the problem of ecological bank protection in severe cold overcast and humid area.

Description

Rock slope ecological slope protection structure in high and cold overcast and humid area

Technical Field

The utility model belongs to the technical field of ecological remediation, concretely relates to rock slope surface ecological slope protection structure in severe cold overcast and humid area.

Background

Along with the rapid development of national economy, broken holes caused by highway construction, mining, quarrying and the like to mountains are increasingly serious, the adhesion and stability of rock slope soil covering on rock and gravel soil slope surfaces in high and cold overcast and humid areas are poor, and after rainwater washing, surface soil paved is easily separated from the original rock and gravel soil slope surfaces, so that greening is ineffective or ineffective for a long time. In addition, geological disasters such as mountain collapse and landslide are likely to occur, which not only tends to cause traffic congestion, but also may cause personal injuries and deaths and property loss.

The existing ecological slope protection structure ensures the normal growth of plants planted on the side slope by installing the water pipes on the side slope, provides a favorable growth environment for the propagation of plant roots and stems, and has large difficulty in the installation process of the water pipes in the high-cold and shady areas.

In view of the above, those skilled in the art need to provide an ecological slope protection structure for rock slope in cold and humid areas to solve the problem of how to construct ecological slope protection in cold and humid areas.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The to-be-solved technical problem of the utility model is how to construct ecological bank protection in the high and cold overcast and humid area.

(II) technical scheme

The utility model provides an ecological slope protection structure for a rock slope in a cold and humid area, which comprises a rock slope, a greening slope, a wire mesh, a granule spray-seeding layer, a catch basin and a foot protector;

the greening slope surface is attached to the rock slope, the metal wire mesh is fixedly arranged on the upper surface of the greening slope surface, and the pellet spray-seeding layer covers the metal wire mesh; the intercepting ditch is arranged on the top end surface of the rock slope, and the protection feet are arranged at the bottom end of the rock slope; the granule spray-seeding layer comprises granule structure layers and a filament wood fiber layer which are arranged at intervals.

Further, the ecological slope protection structure for the rock slope surface further comprises anchor rods, and the anchor rods penetrate through the metal wire mesh and are fixedly connected with the rock slope.

Further, the distance between the anchor rods is 80-100 cm.

Further, the greening slope surface is a wood board, and the width of the wood board is 10 cm.

Further, the ecological slope protection structure for the rock slope surface further comprises non-woven fabrics, and the non-woven fabrics are covered on the granule spray-seeding layer.

Further, the thickness of the granule spray-seeding layer is 5-30 mm.

Further, the mesh size of the wire mesh is 10 x 10 cm.

Further, the wire mesh is laid on the top end face of the rock slope to extend a set distance in a direction toward the inside of the rock slope.

Further, the set distance is greater than 1.5 m.

Further, the aggregate spraying layer (4) is formed by mixing water, soil, sawdust, vinasse, fermentation auxiliary materials, compound fertilizers and long-acting organic matters.

(III) advantageous effects

The above technical scheme of the utility model has following advantage:

the utility model provides an ecological slope protection structure of a rock slope surface in a cold and humid region, which comprises a rock slope, a greening slope surface, a wire mesh, a granule spray-seeding layer, a catch basin and a foot protector; the greening slope surface is attached to the rock slope, the metal wire mesh is fixedly arranged on the upper surface of the greening slope surface, and the aggregate spray-seeding layer covers the metal wire mesh; the intercepting ditch is opened in the top face of rock side slope, and the banket is located the bottom of rock side slope. This ecological slope protection structure of rock slope's water retention, fertilizer conservation nature are good, have water permeability, gas permeability, can also effectively resist rain erosion and wind erosion, prevent soil erosion and water loss, can provide the "soil base course" of good growing environment for vegetation simultaneously, provide the best guarantee for vegetation, make the rock side slope form the plant community that the afforestation effect is showing fast.

Drawings

Fig. 1 is a schematic structural view of an ecological slope protection structure of a rock slope in an alpine-cold and overcast-wet area provided by an embodiment of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is the utility model provides a pair of the domatic ecological slope protection structure's of rock plan view in alpine and cloudy wet area.

In the figure:

1. a rock slope; 2. greening the slope; 3. a wire mesh; 4. a pellet spray-seeding layer; 5. intercepting a ditch; 6. protecting feet; 7. an anchor rod; 8. a nonwoven fabric.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

According to the embodiment of the utility model, an ecological slope protection structure of a rock slope surface in a cold and humid region is provided, as shown in fig. 1-3, comprising a rock slope 1, a greening slope surface 2, a wire mesh 3, a granule spray-seeding layer 4, a catch basin 5 and a protection foot 6; the greening slope surface 2 is attached to the rock slope 1, the metal wire mesh 3 is fixedly arranged on the upper surface of the greening slope surface 2, and the granule spray-seeding layer 4 covers the metal wire mesh 3; the intercepting ditch 5 is arranged on the top end surface of the rock slope 1, and the protection feet 6 are arranged at the bottom end of the rock slope 1; the granule spray-seeding layer 4 comprises granule structure layers and filament wood fiber layers which are arranged at intervals.

In the embodiment, the rock slope 1 is used for removing pumice and floating roots on the rock slope surface before construction, the slope surface is leveled as much as possible, reverse slope is forbidden, the slope surface does not need to be tidied to be in a neat and smooth state, and the slope surface with a certain number of unevenness is more beneficial to natural combination of a base material mixture and the rock slope surface; the intercepting ditch 5 is used for storing rainwater, and is convenient for irrigating vegetation on the rock slope 1 in the later period; the foot protector 6 is used for protecting the bottom of the rock slope 1 and can be made of rock blocks, sinking pillows or sinking raft.

The ecological slope protection structure on the rock slope surface has good water retention and fertilizer retention, water permeability and air permeability, can effectively resist rain erosion and wind erosion, prevents water and soil loss, can provide a soil base layer with good growth environment for plant growth, provides the best guarantee for plant growth, and enables the side slope to quickly form a plant community with remarkable greening effect.

In some optional embodiments, the ecological slope protection structure for the rock slope further comprises anchor rods 7, and a plurality of anchor rods 7 are arranged through the metal wire mesh 3 and fixedly connected with the rock slope 1.

The anchor rods 7 are made of deformed steel with the diameter phi of 14mm and the length of 40-60cm, the hole depth is not lower than 30-50cm, and when the rock surface structure is stable, the distance between the anchor rods 7 is 100 cm; when the soft rock face or rock face structure is unstable, the distance between the anchor rods 7 is 80 cm. At the top of the slope, the lap joint and the main stress position, the distance is smaller than 80cm, the anchor rod 7 is subjected to punching and anchoring by an electric hammer and is reinforced together with the metal wire mesh 3 to prevent local slope collapse, the joint of the anchor rod 7 and the metal wire mesh 3 is fixed by binding iron wires, the anchor rod 7 is encrypted at the local slope unevenness position, and the anchor rod 7 is exposed out of the surface of the rock slope 1 by 7-8cm after reinforcement.

In some alternative embodiments, the plurality of anchor rods 7 are spaced apart by 80-100 cm.

In some alternative embodiments, the landscaping slope 2 is a wooden board having a width of 10 cm. Specifically, the width of the wood board is 10cm, the distance is preferably 80-100cm, the slope ratio can be adjusted to 60-80cm according to the field condition when the slope ratio is larger, and the wood board provides guarantee for the adhesion of the base material mixture on the slope surface.

In some optional embodiments, the ecological slope protection structure for a rock slope further comprises a non-woven fabric 8, and the non-woven fabric 8 is covered on the pellet spray seeding layer 4. The non-woven fabrics 8 are covered to preserve the soil moisture or reduce the scouring of the granule spray-seeding layer 4 caused by strong rainfall, and the evaporation of the water on the surface of the rock slope 1 is reduced, thereby further creating an environment suitable for the rapid germination and growth of the seeds.

In some alternative embodiments, the thickness of the pellet spray layer 4 is 5-30 mm.

In some alternative embodiments, the mesh size of the wire mesh 3 is 10 x 10 cm.

In some alternative embodiments, the wire mesh 3 is laid extending a set distance on the top end face of the rock slope 1 in a direction towards the interior of the rock slope 1.

Specifically, the lapping operation is carried out from top to bottom, the wire mesh 3 is firmly fixed on the slope, galvanized wire meshes can be selected, the specification of the galvanized wire mesh is 10 x 10cm phi 0.2cm, the top of the rock slope 1 is lapped and extends to the upper part of the slope top for a certain distance, the extension length of the rock slope is preferably more than 1.5m, when the transversely and vertically adjacent galvanized wire meshes are lapped, the lapping length is more than two grids, namely more than 20cm, and the vertical wire meshes are connected and fixed by wire at intervals of 30 cm; when the anchor rod 7 fixes the galvanized wire netting, the anchor rod 7 is implanted by punching with an electric hammer, the distance between the anchor rods 7 is 80-100cm, and the anchor rod 7 needs to be encrypted and fixed when the slope ratio is large.

In some alternative embodiments, the set distance is greater than 1.5 m.

In some alternative embodiments, the pellet-blasting layer 4 comprises water, soil, sawdust, jet-blasted filamentary wood fibers, distillers grains and fermentation aids, compound fertilizers, and long-lasting organic matter.

In the case of this embodiment, the first and second,the water in the granule spray-seeding layer 4 is 3-4m³Soil is 4m³The total of four materials of sawdust, jet-seeding filament wood fiber, vinasse and fermentation auxiliary material is 3m³About 10 Kg of compound fertilizer, 50Kg of long-acting organic matter, adding granulating agent and stabilizing agent on site, and adding grass seeds (30-40 g/m)²). The granule spray-seeding layer 4 is formed by mixing water, soil, sawdust, vinasse, fermentation auxiliary materials, compound fertilizers and long-acting organic matters, specifically, the water, the soil, the sawdust, the vinasse, the fermentation auxiliary materials, the compound fertilizers and the long-acting organic matters are mixed to form a plurality of granules, the granules are combined to form the granule spray-seeding layer 4, and the granules contain granulating agents and stabilizing agents.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. An ecological slope protection structure for a rock slope surface in a cold and humid region is characterized by comprising a rock slope (1), a greening slope surface (2), a wire mesh (3), a granule spray-seeding layer (4), a water intercepting ditch (5) and a protection foot (6);

the greening slope surface (2) is attached to the rock slope (1), the metal wire mesh (3) is fixedly arranged on the upper surface of the greening slope surface (2), and the aggregate spray-seeding layer (4) covers the metal wire mesh (3); the intercepting ditch (5) is arranged on the top end face of the rock side slope (1), and the protection feet (6) are arranged at the bottom end of the rock side slope (1);

the granule spray-seeding layer (4) comprises granule structure layers and filament wood fiber layers which are arranged at intervals.

2. The ecological slope protection structure for rock slopes in alpine and cloudy regions according to claim 1, further comprising anchor rods (7), wherein the plurality of anchor rods (7) are arranged in the wire mesh (3) in a penetrating manner and fixedly connected with the rock slopes (1).

3. The ecological slope protection structure for rock slopes in alpine and cloudy regions according to claim 2, wherein the distance between the plurality of anchor rods (7) is 80-100 cm.

4. The ecological slope protection structure for rock slopes in alpine and humid regions according to claim 1, wherein the greening slope (2) is a wood board, and the width of the wood board is 10 cm.

5. The ecological slope protection structure for rock slopes in alpine and humid regions according to claim 1, further comprising non-woven fabrics (8), wherein the non-woven fabrics (8) are covered on the granule spray-seeding layer (4).

6. The ecological slope protection structure for rock slopes in alpine and humid regions according to claim 1, wherein the thickness of the granule spray-seeding layer (4) is 5-30 mm.

7. The ecological slope protection structure for rock slopes in alpine and humid regions according to claim 1, characterized in that the mesh size of the wire mesh (3) is 10 x 10 cm.

8. The ecological slope protection structure for rock slopes in alpine and humid regions according to claim 1, characterized in that the wire mesh (3) is laid on the top end face of the rock slope (1) extending a set distance in a direction towards the interior of the rock slope (1).

9. The ecological slope protection structure for rock slopes in alpine and humid regions according to claim 8, wherein the set distance is greater than 1.5 m.