CN213740857U - Coal mining subsidence area coal gangue ecological revetment - Google Patents

Abstract

The invention relates to the technical field of municipal engineering, in particular to a coal gangue ecological bank protection in a coal mining subsidence area, which is characterized by comprising a coal gangue layer piled in a slope shape and a top roadbed paved above the coal gangue layer, wherein protective piles are fixed on two sides of the coal gangue layer, and a planting soil layer is arranged on the coal gangue layer between the roadbed and the protective piles. By arranging the coal gangue layer below the top roadbed and the protective piles at two sides of the coal gangue layer, the roadbed can be stabilized, water bodies at two banks can be prevented from being washed away, and meanwhile, engineering cost can be saved by utilizing the coal gangue; the slopes of the two sides of the coal gangue layer are smaller, so that a larger laying and stacking area can be provided for a planting soil layer, so that green plants such as small trees, ground cover and the like can be planted conveniently, the growth environment is ensured to be good, and good protection and promotion effects on nearby ecology can be achieved; the ecological revetment of this scheme simple structure, easy construction is arranged, the protecting effect is good, has better guard action to the ecology, is fit for popularizing and applying.

Description

Coal mining subsidence area coal gangue ecological revetment

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of municipal engineering, in particular to coal gangue ecological bank protection in a coal mining subsidence area.

[ background of the invention ]

The ecological bank protection technology is a novel bank protection form which combines plants or plants with engineering measures, can effectively reduce erosion and washing of water flow and waves to the base soil of a bank slope, and can beautify landscaping and maintain ecological environment. The ecological bank protection mainly plays roles in flood control safety, soil stabilization and slope protection, water and soil conservation, buffer filtration, water purification, ecological restoration, environment improvement, landscape beautification and the like.

As the utility model discloses a utility model patent of publication No. CN203890955U, disclose an ecological bank protection vegetation structure, this structure arranges in the linking department of river course bank slope and river bed, piles up the alloy steel wire cage body of first layer horizontal arrangement at the level and smooth department of river bed, fixes with the steel wire between each alloy steel wire cage body pile up the second layer alloy steel wire cage body on the first layer alloy steel wire cage body, pile up the third layer alloy steel wire cage body on the second layer alloy steel wire cage body, form cascaded bank slope, each alloy steel wire cage body of upper strata is pressed between two alloy steel wire cage bodies of lower floor, the upper end of alloy steel wire cage body is uncovered its characterized in that: placing a plant pad in the alloy steel wire cage body, filling a matrix in the plant pad, and planting plant roots or seedlings on the matrix. This ecological bank protection vegetation structure has the effect of soil stabilization bank protection, safe flood control that current ecological bank protection has, but its ecological remediation or protection effect are poor, and the ability of planting the plant on the bank protection slope is weak, and the resistant effect of erodeing is poor.

As the utility model patent with publication number CN208563250U, a river ecological revetment is disclosed, its characterized in that: the ecological river mud bag comprises a permeation adsorption filter layer, wood pile guard feet, a gabion retaining wall, a bottom mud ecological bag layer and a vegetable layer, wherein the permeation adsorption filter layer is arranged at the joint of a river bank slope and a river bed, the permeation adsorption filter layer forms a first step bank slope which can be attached to a step surface of the river bank slope from bottom to top along the slope surface of the bank guard, the permeation adsorption filter layer comprises an inner layer of permeable concrete and an outer layer of permeable concrete and an adsorption filter layer clamped between the two permeable concrete layers, and the adsorption filter layer is filled in a gap reserved between the two permeable concrete layers; the wood pile protection legs are closely arranged along the edge of the bottom end of the permeation and adsorption filter layer, and the bottom end of each wood pile protection leg is embedded into a riverbed at the outer edge of the step at the bottom layer of the permeation and adsorption filter layer; the gabion retaining wall comprises Bingge net cages and supports filled in the Bingge net cages, wherein the Bingge net cages are stacked and connected from bottom to top along the slope of the first stepped bank, one side surface of the gabion retaining wall is matched with the slope surface of the slope of the first stepped bank, and the other side surface of the gabion retaining wall forms a second stepped bank slope for stacking bottom sediment ecological bags; the bottom mud ecological bag layer is composed of a plurality of bottom ecological bags, the bottom ecological bags are stacked on the step surface of the slope of the second stepped embankment, and the highest point of the bottom mud ecological bag layer does not exceed the highest point of the sheet pile toe guard; the vegetation layer comprises soil horizon and vegetation net, the soil horizon covers at the top layer of gabion retaining wall, clearance and top layer between the ecological bag of sediment, and one side of soil horizon to the riverbed is the slope, soil horizon surface planting vegetation forms the vegetation net, the vegetation net divide into aquatic plant, ground cover plant and bush from bottom to top according to the environment of planting soil horizon in proper order. This ecological bank protection structure is comparatively complicated, is unfavorable for construction.

In addition, most of the revetment is formed by stacking coal gangue under the current situation, the slope of the revetment with water entering from two sides is steep, the abdominal area from the roadside to the water bank is narrow, plants cannot be planted on the coal gangue, and the revetment appears to be hard and without vitality.

[ summary of the invention ]

In order to solve the technical problem, the invention provides a coal gangue ecological bank protection in a coal mining subsidence area.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a coal mining subsidence district gangue ecological bank protection, is including being the accumulational gangue layer of slope form and laying in the top road bed of gangue layer top, the both sides on gangue layer are fixed with the fender pile, between road bed and the fender pile be equipped with the planting soil layer on the gangue layer.

Preferably, the coal gangue layer with fixed reinforced concrete strip that is provided with between the fender pile, the reinforced concrete strip set up in the bottom both sides on coal gangue layer, the fender pile with reinforced concrete strip fixed connection.

Preferably, the included angle between the coal gangue layer and the horizontal direction is 30-45 degrees.

Preferably, gabions are further stacked on two sides of the bottom of the coal gangue layer, the gabions are stacked below the planting soil layer in a stepped mode, and coal gangue is filled in the gabions.

Preferably, the overlapping stacking area between two adjacent upper and lower gabions accounts for 30% -50% of the upper surface area of the gabion.

Preferably, an ecological bag is arranged between the gabion and the protective pile, and the ecological bag is stacked to the height position of the top of the protective pile.

Preferably, geotextile layers are laid between the gabion and the coal gangue layer or/and between the planting soil layer and the coal gangue layer.

Preferably, an anti-washing layer is paved between the planting soil layer and the gangue layer, or/and between the planting soil layer and the gabion, or/and between the planting soil layer and the ecological bag.

Preferably, the scouring-resistant layer is formed by interweaving cotton fiber yarns and glass fibers.

Preferably, the top roadbed sequentially comprises a broken stone cushion layer, a concrete layer, a 1:3 cement mortar layer and a rough chiseling face high lake layer from bottom to top.

The invention has the beneficial effects that: by arranging the coal gangue layer below the top roadbed and the protection piles at two sides of the coal gangue layer, the roadbed can be stabilized, water bodies at two banks can be prevented from being washed away, and meanwhile, engineering cost can be saved by utilizing the coal gangue; the protecting pile is fixed with the reinforced concrete strips through screws, so that the stability of the protecting pile is enhanced, and the floating of the protecting pile caused by buoyancy and scouring of a water body is prevented; the slopes of the two sides of the coal gangue layer are smaller, so that a larger laying and stacking area can be provided for a planting soil layer, the planting of small trees, ground cover and other green plants is facilitated, the good growth environment of the small trees, the ground cover and other green plants is ensured, and the good protection and promotion effects on nearby ecology can be achieved; placing ecological bags on the gabions, and stacking the ecological bags to a certain height, so that water body scouring can be further prevented, and water-resistant wetland bedding plants can be planted on the ecological bags; the setting on resistant scouring layer and geotechnological cloth layer, improvement that can very big degree resists the water washout ability, prevents to plant soil seepage, runs off, guarantees that the growing environment of green planting is not destroyed. The ecological revetment of this scheme simple structure, easy construction is arranged, the protecting effect is good, has better guard action to the ecology, is fit for popularizing and applying.

[ description of the drawings ]

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged schematic view of a point a in fig. 1.

Description of the labeling: 1-gangue layer, 2-top roadbed, 21-gravel cushion layer, 22-concrete layer, 23-1:3 cement mortar layer, 24-rough chiseled surface high lake layer, 3-planting soil layer, 4-fender pile, 5-scouring-resistant layer, 6-geotextile layer, 7-reinforced concrete strip, 8-gabion, 9-ecological bag and 10-screw.

[ detailed description ] embodiments

The present invention will be described in further detail below with reference to specific embodiments and drawings, but the present invention is not limited to the specific embodiments below.

The following examples are not provided to limit the scope of the present invention, nor are the steps described to limit the order of execution, and the directions described are limited to the drawings. Modifications of the invention which are obvious to those skilled in the art in view of the prior art are also within the scope of the invention as claimed.

A coal gangue ecological revetment in a coal mining subsidence area comprises coal gangue layers 1 piled in a slope shape and a top roadbed 2 laid above the coal gangue layers 1, wherein an included angle (namely a slope) between the coal gangue layers 1 and the horizontal direction is 30-45 degrees so as to reduce slopes on two sides of the coal gangue layers 1; the both sides of coal gangue layer 1 are fixed with fender pile 4, and the underground is squeezed into in order to realize fixing in the bottom of fender pile 4, and fender pile 4 specifically can be the pine stake that water-fast, corrosion resistance are strong, between road bed 2 and fender pile 4 be equipped with planting soil layer 3 on the coal gangue layer 1, the thickness of planting soil layer 3 is 60cm ~ 120cm to make things convenient for the growth of plant. By reducing the slopes of the two sides of the coal gangue layer 1, a larger laying area can be provided for the planting soil layer 3, so that more green plants can be conveniently planted, and meanwhile, the scouring resistance of the coal gangue layer 1 can be improved; through the setting of both sides fender pile 4, can further play the guard action to the shore protection, improve stability.

In this embodiment, coal gangue layer 1 with fixed reinforced concrete strip 7 that is provided with between fender pile 4, reinforced concrete strip 7 set up in the bottom both sides of coal gangue layer 1, the fender pile with reinforced concrete strip 7 fixed connection. Specifically, fender pile 4 through screw 10 with reinforced concrete strip 7 realizes fixed connection, pierces through fender pile 4 through screw 10 and then drives in reinforced concrete strip 7 and fix. Set up like this, strengthened the stability of fender pile 4, prevent that water buoyancy from arousing fender pile 4 come-up with erodeing.

In this embodiment, as further shown in fig. 1, gabions 8 are further piled on two sides of the bottom of the gangue layer 1, and the gabions 8 are piled under the planting soil layer 3 in a stepped manner. The overlapping stacking area between the upper and lower adjacent gabions 8 accounts for 30% -50% of the area of the upper surface of the gabion 8, and the gabion 8 is filled with coal gangue to play a role in stabilization.

In the embodiment, a ecological bag 9 is arranged between the gabion 8 and the fender pile 4, and the ecological bag 9 is stacked to the top of the fender pile 4. The ecological bag 9 can not only play a promoting role in the stability of the revetment, but also can plant green plants on the ecological bag 9 to play roles in beautifying the environment and protecting the ecology.

In this embodiment, a geotextile layer 6 is laid between the gabion 8 and the gangue layer 1 or/and between the planting soil layer 3 and the gangue layer 1. And the anti-washing layers 5 are paved between the planting soil layer 3 and the gangue layer 1, or/and between the planting soil layer 3 and the gabion 8, or/and between the planting soil layer 3 and the ecological bag 9. Wherein the anti-scouring layer 5 is formed by interweaving cotton fiber yarns and glass fibers. The arrangement of the geotextile 6 and the scouring-resistant layer 5 can further improve the water scouring resistance of the revetment, prevent the leakage and the loss of the planting soil and ensure that the growth environment of the green plants is not damaged.

In this embodiment, further referring to fig. 2, the top roadbed 2 comprises a 200mm thick gravel cushion layer 21, a 200mm thick concrete layer 22, a 50mm thick 1:3 cement mortar layer 23 and an 80mm thick rough-cut high-lake layer 24 in sequence from bottom to top, wherein the concrete layer 22 is C25 concrete.

Claims (10)

1. The utility model provides a coal mining subsidence district gangue ecological revetment which characterized in that, including being slope form accumulational gangue layer (1) and laying in top road bed (2) of gangue layer (1) top, the both sides on gangue layer (1) are fixed with fender pile (4), between road bed (2) and fender pile (4) be equipped with planting soil layer (3) on gangue layer (1).

2. The coal mining subsidence area coal gangue ecological revetment according to claim 1, characterized in that a reinforced concrete strip (7) is fixedly arranged between the coal gangue layer (1) and the protecting pile (4), and the protecting pile is fixedly connected with the reinforced concrete strip (7).

3. The coal mining subsidence area coal gangue ecological revetment according to claim 1, wherein an included angle between the coal gangue layer (1) and the horizontal direction is 30-45 degrees.

4. The coal mining subsidence area coal gangue ecological revetment according to claim 1, characterized in that gabions (8) are further stacked on two sides of the bottom of the coal gangue layer (1), and the gabions (8) are stacked below the planting soil layer (3) in a stepped manner.

5. The coal mining subsidence area coal gangue ecological revetment according to claim 4, wherein the overlapping stacking area between two adjacent upper and lower gabions (8) accounts for 30-50% of the upper surface area of the gabion (8).

6. The coal mining subsidence area coal gangue ecological revetment according to claim 4, characterized in that an ecological bag (9) is arranged between the gabion (8) and the fender pile (4).

7. The coal mining subsidence area coal gangue ecological revetment according to claim 4, characterized in that a geotextile layer (6) is laid between the gabion (8) and the coal gangue layer (1) or/and between the planting soil layer (3) and the coal gangue layer (1).

8. The coal mining subsidence area coal gangue ecological revetment according to claim 6, characterized in that a wash-resistant layer (5) is laid between the planting soil layer (3) and the coal gangue layer (1), or/and between the planting soil layer (3) and the gabion (8), or/and between the planting soil layer (3) and the ecological bag (9).

9. The coal gangue ecological bank protection in the coal mining subsidence area according to claim 8, wherein the impact-resistant layer (5) is formed by interweaving cotton fiber yarns and glass fibers.

10. The coal mining subsidence area coal gangue ecological revetment according to claim 1, characterized in that the top roadbed (2) comprises a gravel cushion layer (21), a concrete layer (22), a cement mortar layer (23) and a rough-chiseled high-lake layer (24) from bottom to top in sequence.

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