CN219604506U

CN219604506U - Processing structure of flexible bee gridding applied to powdery clay side slope

Info

Publication number: CN219604506U
Application number: CN202321341061.5U
Authority: CN
Inventors: 乔支福
Original assignee: Harbin Jin Feng Chao Engineering Material Development Co ltd
Current assignee: Harbin Jin Feng Chao Engineering Material Development Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-08-29
Anticipated expiration: 2033-05-30

Abstract

The utility model provides a processing structure of a flexible bee mesh for a powdery clay side slope, and belongs to the technical field of slope protection and drainage. Comprises a drainage seepage ditch arranged at the rear edge of the frozen layer; the depth of the drainage infiltration trench is greater than the maximum frozen layer depth; paving a layer of impermeable cloth on the bottom surface of the drainage infiltration trench, arranging a drainage groove on the impermeable cloth, and then covering and paving a permeable bearing plate on the drainage groove; a layer of impermeable cloth is vertically paved along the ditch side of the upstream surface of the drainage ditch and is in hot melt connection with the impermeable cloth at the bottom of the ditch; the top of the bearing plate is sequentially paved with a stone filter layer, a coarse sand filter layer and a plain soil ramming layer, and water permeable geotechnical cloth is paved between the layers. The water drainage ditch has the advantages that the underground water and the surface water in the slope body are effectively collected and drained in a drainage ditch mode, the water content of the slope body is reduced, and the stability of the slope body is improved; the flexible honeycomb mesh and the seepage-proofing film are paved in the slope, so that the impact erosion damage of precipitation and spring thawing water seepage to the slope body can be effectively prevented, and the surface of the slope body is stabilized.

Description

Processing structure of flexible bee gridding applied to powdery clay side slope

Technical Field

The utility model provides a processing structure of a flexible bee mesh for a powdery clay side slope, and belongs to the technical field of slope protection and drainage.

Background

At present, the silty clay side slope has the defect of landslide in rainy season; specifically, the phenomenon of cutting slope slump occurs in spring thawing period and rainy period, and the landslide area belongs to viscous soil layer, and the surface soil body is reduced in strength under the independent or combined action of freezing thawing damage, surface water and groundwater in catchment area, so as to form a layer of weak soil body, thereby leading the slope to slide. The road passes beside the landslide disaster, the landslide continues to develop to destroy the roadbed and other facilities, seriously affect the driving safety, destroy the land resources in the landslide area, and after cleaning part of the landslide, the landslide continues to develop to the deep part.

Disclosure of Invention

The utility model aims to provide a stable and effective hydrophobic slope protection mode for a powdery clay side slope, so that the defects in the prior art are overcome.

The utility model is realized by the following technical scheme that the utility model comprises a slope body, a slope foot, a frozen layer at the top of the slope body and a drainage seepage ditch arranged at the rear edge of the frozen layer; the depth of the drainage infiltration trench is greater than the maximum frozen layer depth;

a layer of impermeable cloth is paved on the bottom surface of the drainage seepage ditch, and a drainage groove is formed in the impermeable cloth, wherein the drainage groove is of a concrete structure or a stone wall structure; covering and paving a permeable bearing plate on the drainage groove; the water collection is smoothly discharged;

a layer of impermeable cloth is vertically paved on the side wall of the drain infiltration trench along the upstream surface of the water, and is in hot melt connection with the impermeable cloth at the bottom of the trench; the purpose is to prevent water on the soil surface from entering the slope;

the top of the bearing plate is sequentially paved with a stone filter layer, a coarse sand filter layer and a plain soil ramming layer, and water permeable geotechnical cloth is paved between the layers.

The stone filter layer is composed of broken stone, block stone or pebble. The covered broken stone, block stone or pebble can make the resistance of groundwater seepage in the drainage seepage ditch small, and the seepage is smooth and quick.

The coarse sand filter layer is coarse sand with the landfill thickness of not less than 150cm, and plays a role in filtering sediment in groundwater, preventing the sediment from entering into a seepage ditch, and ensuring that a groundwater seepage channel in the seepage ditch is smooth.

Concrete fixing feet are arranged at the slope feet; the anti-seepage cloth is paved at the position from the drainage infiltration ditch to the slope toe and extends to the outer side of the concrete fixed foot, so that catchment melted by the ice and snow in spring and precipitation in rainy season are blocked on the outer side of the slope body, and the water content of the slope body is reduced; the flexible bee net is paved and the planting soil is filled, and the beneficial effects are that a surface layer structure covering the slope surface is formed on the slope, and then lawns are paved on the surface layer, firstly, the flushing protection of the slope surface layer to the slope by precipitation in rainy season is directly reduced to prevent water and soil from flowing, secondly, the turf is paved to enable the turf to grow rapidly in the shortest time, and a green ecological net is formed on the surface by the extension of root systems and the mutual staggered growth.

The depth of the concrete fixing feet at the slope feet is more than or equal to the depth of the frozen layer; the outer sides of the concrete fixed legs are provided with slope toe drainage ditches, and surface soil seepage prevention solidification is carried out on the two sides of the drainage ditches, so that surface water is dredged to the drainage ditches to the greatest extent; and the accumulated water at the top of the slope is discharged into the slope foot drainage ditch as short as possible, so that the flowing time of the accumulated water on the slope is reduced. The flexible cellular net at the inner side of the concrete fixing leg is also nailed with a row of anti-corrosion pine piles at the vertical horizontal plane.

The utility model has the advantages that [1] the underground water and the surface water in the slope body are effectively collected and discharged in a drainage ditch mode, the water content of the slope body is reduced, and the stability of the slope body is increased; [2] the flexible honeycomb mesh and the seepage-proofing film are paved in the slope, so that the impact erosion damage of precipitation and spring thawing water seepage to the slope body can be effectively prevented, and the surface of the slope body is stabilized.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

FIG. 2 is a schematic diagram of a drain infiltration trench structure.

Detailed Description

The present utility model will be further described in detail with reference to the accompanying drawings, in which the present utility model is described in detail, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model; in addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other. The utility model will be described in more detail below with reference to the accompanying drawings. Like elements are denoted by like reference numerals throughout the various figures. For clarity, the various features of the drawings are not drawn to scale.

The utility model provides a stable effective hydrophobic slope protection mode for a powdery clay side slope, namely, groundwater is discharged through a treatment mode of a drainage infiltration trench 2, the groundwater level is reduced, the foundation of a slope body 1 is prevented from softening, water is concentrated and then is led to a slope foot drainage trench 14, the water content of the slope body 1 is reduced, and the shear strength of the slope body 1 is increased; and a layer of impermeable cloth 4 is paved at the bottom of the flexible bee net 3 for paving the slope so as to reduce water seepage to the slope in spring thawing period and rainy season, reduce the water content and weight of the slope 1 and increase the stability of the slope 1, and the water content of the cutting slope is gradually reduced from the source by two ways of treatment so as to achieve the purpose of stabilizing the slope.

The utility model comprises a slope body 1, a slope toe 12, a frozen layer 11 at the top of the slope body and a drainage seepage ditch 2 arranged at the rear edge of the frozen layer 11; the depth of the drainage infiltration trench 2 is larger than the depth of the maximum frozen layer 11;

a layer of impermeable cloth 4 is paved on the bottom surface of the drainage infiltration trench 2, and a drainage groove 21 is arranged on the impermeable cloth 4, wherein the drainage groove 21 is of a concrete structure or a stone wall structure; then a water permeable bearing plate 22 is covered and paved on the drainage groove 21; the water collection is smoothly discharged;

a layer of impermeable cloth 4 is vertically paved along the side wall of the drain infiltration trench 2 on the upstream surface and is in hot melt connection with the impermeable cloth 4 on the bottom of the trench; the purpose is to prevent water on the soil surface from entering the slope;

the top of the bearing plate 22 is sequentially paved with a stone filter layer 23, a coarse sand filter layer 24 and a plain soil ramming layer 25, and water permeable geotextile 26 is paved between the layers.

The stone filter layer 23 is composed of broken stone, block stone or pebble. The covered broken stone, block stone or pebble ensures that the groundwater in the drainage infiltration trench 2 has small infiltration resistance, smooth infiltration and high speed.

The coarse sand filter layer 24 is used for filling coarse sand with the thickness of not less than 150cm, and plays a role in filtering sediment in groundwater, preventing the sediment from entering into a seepage ditch and ensuring that a groundwater seepage channel in the seepage ditch is smooth.

A concrete fixing foot 13 is arranged at the position of the slope foot 12; the anti-seepage cloth 4 is paved at the position from the drainage infiltration trench 2 to the slope toe 12 of the slope body 1 and extends to the outer side of the concrete fixing leg 13, so that catchments melted by the ice and snow in spring and precipitation in rainy season are blocked outside the slope body 1, and the water content of the slope body 1 is reduced; the flexible bee net 2 is paved and the planting soil is filled, and the beneficial effects are that a surface layer structure covering the slope is formed on the slope, and then lawns are paved on the surface layer, firstly, the scouring of precipitation to the slope in rainy season is directly reduced, the surface layer of the slope is protected, the water, soil and water are prevented, secondly, the turf is paved to enable the turf to grow rapidly in the shortest time, and a green ecological net is formed on the surface by the extension of root systems and the mutual staggered growth.

The depth of the concrete fixing feet 13 at the slope feet 12 is more than or equal to the depth of the frozen layer; the outer sides of the concrete fixing feet 13 are provided with slope foot drainage ditches 14, and surface soil seepage prevention solidification is carried out on the two sides of the slope foot drainage ditches 14, so that surface water is dredged to the drainage ditches to the greatest extent; the accumulated water on the top of the slope is discharged into the slope toe drainage ditch 14 for as short time as possible, so that the time for the accumulated water to flow on the slope is reduced. The flexible cellular net 2 inside the concrete fixing feet 13 is also nailed with a row of anti-corrosion pine piles 21 in a vertical horizontal plane.

It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Claims

1. The utility model provides a processing structure of flexible bee net is used to powder clay side slope, includes the slope body, toe and the frozen layer at slope body top, its characterized in that: the water draining and seepage ditch is arranged at the rear edge of the frozen layer, and the depth of the water draining and seepage ditch is larger than the maximum frozen layer depth;

paving a layer of impermeable cloth on the bottom surface of the drainage infiltration trench, arranging a drainage groove on the impermeable cloth, and then covering and paving a permeable bearing plate on the drainage groove;

a layer of impermeable cloth is vertically paved on the side wall of the drain infiltration trench along the upstream surface of the water, and is in hot melt connection with the impermeable cloth at the bottom of the trench;

2. A processing structure of a flexible cellular network applied to a silty clay side slope according to claim 1, characterized in that: the stone filter layer is composed of broken stone, block stone or pebble.

3. A processing structure of a flexible cellular network applied to a silty clay side slope according to claim 1, characterized in that: the coarse sand filter layer is coarse sand buried with the thickness of not less than 150 cm.

4. A processing structure of a flexible cellular network applied to a silty clay side slope according to claim 1, characterized in that: concrete fixing feet are arranged at the slope feet; the slope body is paved with anti-seepage cloth from the drainage seepage ditch to the slope toe and extends to the outer side of the concrete fixing foot, and then is paved with a flexible bee grid and filled with planting soil.

5. A processing structure for applying flexible cellular network to a silty clay side slope according to claim 4, wherein: the depth of the concrete fixing feet at the slope feet is more than or equal to the depth of the frozen layer; the outer side of the concrete fixed leg is provided with a slope leg drainage ditch, and the flexible cellular net at the inner side of the concrete fixed leg is nailed into a row of anti-corrosion pine piles in a vertical horizontal plane.