CN217053239U - Ecological slope protection structure - Google Patents

Abstract

The application relates to an ecological slope protection structure, which comprises a channel dug in a side slope, wherein a polyethylene composite impermeable film is laid on the inner wall of the channel, and a channel lining layer is arranged on the surface of the polyethylene composite impermeable film; the side slopes on two sides of the channel are provided with grouted stone skeleton grass planting revetments, each grouted stone skeleton grass planting revetments comprises a grouted stone skeleton and vegetation planted on the side slope, the grouted stone skeleton is embedded in the slope surface of the side slope, a plurality of planting areas are formed on the grouted stone skeleton, and the vegetation is located in the planting areas; the stone masonry drainage ditch has been seted up towards one side of channel to stone masonry skeleton grass planting bank protection. This application has the effect that reduces the pollution that the rivers in the side slope soil body caused in to the channel.

Description

Ecological slope protection structure

Technical Field

The application relates to the field of slope engineering, in particular to an ecological slope protection structure.

Background

Channels need to be dug in a large amount of hydraulic engineering construction, the channels dug in mountainous areas can form rock-soil side slopes, soil and rocks of the rock-soil side slopes are exposed, collapse is easy to happen due to factors such as rain wash, and collapsed soil easily blocks the dug channels; and the exposed rock-soil side slope is difficult to recover vegetation independently, thus destroying the harmony of the ecological environment.

At present, the rock side slope department of channel both sides is provided with stone skeleton grass planting bank protection of starching, and stone skeleton grass planting bank protection of starching is including adopting the stone skeleton of starching that stone forms in domatic construction and planting the plant in domatic formation vegetation, and the stone skeleton of starching is domatic to be separated for a plurality of planting districts, and the vegetation divide into a plurality of modules and plants respectively in planting the district. The stone masonry skeleton can reduce the erosion of rainwater to the slope soil body and protect the vegetation growth, and the grass planting revetment of the stone masonry skeleton utilizes the root system of plants to reinforce the surface rock soil of the rock soil slope.

The stone skeleton is used for protecting vegetation before the vegetation grows up, so that the vegetation is prevented from being damaged by rain wash, and the side slope is supported. However, in the actual use process, the slope geology needing vegetation reinforcement is relatively loose, the slope is easy to lose and collapse due to accumulated water and rain erosion before vegetation is used for reinforcing the slope, and at the moment, the soil flowing due to rain easily causes serious pollution to water flow in a channel.

SUMMERY OF THE UTILITY MODEL

In order to reduce the pollution that the side slope soil body caused the rivers in the channel, this application provides ecological slope protection structure.

The application provides an ecological slope protection structure adopts following technical scheme:

the ecological slope protection structure comprises a channel dug in a side slope, wherein a polyethylene composite impermeable film is laid on the inner wall of the channel, and a channel lining layer is arranged on the surface of the polyethylene composite impermeable film; the side slopes on two sides of the channel are provided with grouted stone skeleton grass planting revetments, each grouted stone skeleton grass planting revetments comprises a grouted stone skeleton and vegetation planted on the side slope, the grouted stone skeleton is embedded in the slope surface of the side slope, a plurality of planting areas are formed on the grouted stone skeleton, and the vegetation is located in the planting areas; the stone masonry drainage ditch has been seted up towards one side of channel to stone masonry skeleton grass planting bank protection.

By adopting the technical scheme, the polyethylene composite impermeable membrane has the advantages of stronger extensibility, high deformation adaptability and good freezing resistance. The polyethylene composite impermeable membrane separates the soil body and the channel to prevent groundwater in the soil body from permeating into the channel to pollute water in the channel, reduce water seeping from the channel and optimize the stability of water delivery of the channel, and meanwhile, the polyethylene composite impermeable membrane bears water pressure with higher tensile strength and elongation and adapts to deformation of the soil body caused by frost heaving pressure. The channel lining layer is beneficial to improving the anti-scouring capability of the channel, increasing the stability of the channel and reducing the possibility of pollution to water flow in the channel due to collapse of the channel. The masonry stone framework is favorable for improving the survival rate of the vegetation, so that the root system of the vegetation can reinforce the surface rock soil of the side slope in a wider range, and the condition that the surface rock soil of the side slope enters the channel due to the washing of rainwater and pollutes the water flow in the channel is reduced. The masonry drainage ditch can intercept rainwater or accumulated water directly flowing down from the side slope, and reduce the possibility that rainwater carrying rock soil pollutes water in the ditch.

Optionally, a plurality of drainage channels that communicate with the channel are seted up to the masonry drainage ditch bottom, be provided with the filter screen that reduces the impurity in the masonry drainage ditch and flow into the channel in the passageway.

Through adopting above-mentioned technical scheme, in the ponding or the rainwater that flow down to have the mud stone from the side slope flowed in the masonry escape canal, in the water accessible drainage channel of masonry escape canal flowed in the channel, and the mud stone in the reducible ponding of filter screen or the rainwater gets into the channel, reduces to smuggle the possibility that the rainwater that smugglies the ground secretly causes the pollution to the water in the channel.

Optionally, the stone masonry skeleton includes stone masonry layer and a plurality of steel wire stratum reticulare that a plurality of superposes set up, and is a plurality of the steel wire stratum reticulare inlays respectively one by one and locates between two adjacent stone masonry layers of difference, a plurality of anchor ropes of stone masonry skeleton fixedly connected with, the anchor rope anchor is in the slope, anchor rope fixed connection is in a plurality of steel wire stratum reticulare.

By adopting the technical scheme, the steel wire mesh layer can increase the bearing strength of the masonry stone framework, so that the masonry stone framework is not easy to fracture and collapse due to loss of collapsed soil; simultaneously, the anchor rope is direct fixed connection in the steel wire stratum reticulare, and the anchor rope can be consolidated a plurality of stone layers of starching through the steel wire stratum reticulare to optimize the stability of stone skeleton connection in side slope of starching.

Optionally, a plurality of mutually-communicated grooves are formed in one side, away from the side slope, of the masonry stone framework, and the extending paths of the grooves are adaptive to the framework of the masonry stone framework.

Through adopting above-mentioned technical scheme, ponding on the side slope flows in the stone masonry escape canal through the recess in, reduces ponding inflow and gathers in planting the condition that the growth of district caused the influence to the vegetation.

Optionally, the inner wall of the groove is provided with a plurality of drain holes communicated with the lower part of the planting area.

Through adopting above-mentioned technical scheme, the wash port can be discharged into to the recess with the rainwater that gathers in the planting district, reduces the rainwater and gathers the condition that causes the influence to the growth of vegetation in planting the district, and the wash port is located the upside cell wall of recess simultaneously, can also reduce the influence of drain hole to recess drainage.

Optionally, the recess is provided with the conveyor who is used for transporting water or plant nutrient solution, conveyor includes conveyer pipe and suction pump, the conveyer pipe communicates in the delivery port of suction pump, conveyer pipe fixed connection is in the groove wall, the conveyer pipe is provided with a plurality of shower heads, the water inlet of suction pump communicate in masonry drainage ditch, channel or the box that is equipped with plant nutrient solution.

By adopting the technical scheme, the water in the drainage ditch, the channel or the box body filled with the plant nutrient solution is pumped into the conveying pipe by the water pump, and the vegetation in the planting area is sprayed by the spray head arranged on the conveying pipe, so that the convenience of watering the vegetation on the side slope or spraying the plant nutrient solution is improved.

Optionally, place the geotechnological check room that is used for evenly planting the vegetation in planting the district, geotechnological check room fixed connection is in stone masonry skeleton.

Through adopting above-mentioned technical scheme, plant the vegetation in geotechnological check indoor, can make the side slope fully afforest.

Optionally, the downside of channel is provided with soil stone backfill layer, it has the mud stone road surface of being convenient for construction operation transportation to build on the soil stone backfill layer.

By adopting the technical scheme, the soil and stone backfill layer is beneficial to nearby transportation and utilization of soil and stones, and the mud stone pavement is convenient for construction operation and transportation of construction materials and equipment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the polyethylene composite impermeable membrane can prevent underground water in a soil body from permeating into a channel, the stability of the channel is improved by the lining layer of the channel, the possibility of pollution to water flow in the channel due to collapse of the channel is reduced, the surface rock soil of a rock soil side slope is reinforced by the root system of plants of the stone masonry framework grass planting revetment, and the stone masonry drainage ditch enables accumulated water or rainwater with mudstones on the side slope not to flow into the channel to pollute the water flow;

2. the accumulated water flows into the stone masonry drainage ditch through the groove, so that the situation that the vegetation growth is influenced due to the rot of the vegetation root caused by the inflow and accumulation of the accumulated water in the planting area is reduced;

3. the conveying pipe and the water suction pump increase the convenience of watering or spraying plant nutrient solution on the vegetation on the side slope;

4. the soil and stone backfill layer is beneficial to nearby transportation and utilization of soil and stones, and the mud stone pavement is convenient for construction operation and transportation of construction materials and equipment.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

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

Fig. 3 is an enlarged structural view of a portion B in fig. 1.

Fig. 4 is an enlarged schematic view of a portion C of fig. 1.

Reference numerals: 1. a channel; 11. polyethylene composite impermeable films; 12. a channel lining layer; 2. planting grass on stone skeleton to protect slope; 21. building stone skeleton; 211. grouting a stone layer; 212. a steel wire mesh layer; 213. an anchor cable; 22. vegetation; 23. a planting area; 3. stone drainage ditches are grouted; 31. a drainage channel; 32. filtering with a screen; 4. a groove; 41. a drain hole; 5. a conveying device; 51. a delivery pipe; 52. a water pump; 53. a shower head; 6. a geocell; 7. a soil and stone backfill layer; 71. mud stone road surface.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses ecological slope protection structure. Referring to fig. 1, the ecological slope protection structure comprises a channel 1 dug on a side slope, a stone masonry skeleton grass planting slope protection 2 and a stone masonry drainage ditch 3. The side slope of 1 both sides of channel all is provided with stone skeleton grass planting bank protection 2, and stone escape canal 3 that keep in the ground digs the top one side of locating channel 1 towards the side slope.

Referring to fig. 1, a polyethylene composite impermeable film 11 is laid on the inner wall of a channel 1, and a channel lining layer 12 is arranged on the surface of the polyethylene composite impermeable film 11. The polyethylene composite impermeable membrane 11 has strong extensibility, high deformation adaptability and good freezing resistance. The polyethylene composite impermeable membrane 11 isolates the soil body from the channel 1 to prevent underground water in the soil body from permeating into the channel 1, so that the water in the channel 1 is polluted, meanwhile, the water seeped from the channel 1 is reduced, and the water delivery stability of the channel 1 is optimized; meanwhile, the polyethylene composite impermeable membrane 11 bears water pressure with larger tensile strength and elongation and adapts to deformation of soil body caused by frost heaving pressure. The channel lining layer 12 is formed by pouring concrete with the strength grade of C20, and the channel lining layer 12 is beneficial to improving the anti-scouring capability of the channel 1, increasing the stability of the channel 1 and reducing the possibility of pollution to water flow in the channel 1 due to collapse of the channel 1.

Referring to fig. 1, an earth and stone backfill layer 7 is arranged on one side of the bottom of the channel 1 facing the side slope, the earth and stone backfill layer 7 is formed by stacking earth and stone dug out from the channel 1, and a mud stone road surface 71 is built on the earth and stone backfill layer 7. The dug soil and stones are used to form the soil and stone backfill layer 7, which is beneficial to nearby transportation and utilization of the soil and stones, and the mud stone pavement 71 is convenient for construction operation and transportation of construction materials and equipment.

Referring to fig. 1 and 2, the stone masonry framework grass planting revetment 2 comprises a stone masonry framework 21 and vegetation 22 planted on a side slope, the stone masonry framework 21 is embedded in the side slope, the stone masonry framework 21 divides the side slope into a plurality of planting areas 23, and the vegetation 22 is located in the planting areas 23. The masonry stone framework 21 is used for protecting the vegetation 22 from growing, and the possibility that the seeds of the vegetation 22 are washed away by rainwater in the growing process to cause loss is reduced.

The masonry stone framework 21 is beneficial to improving the survival rate of the vegetation 22, so that the root system of the vegetation 22 can reinforce the surface rock soil of the side slope in a wider range, and the condition that the surface rock soil of the side slope enters the channel 1 due to the erosion of rainwater and pollutes the water flow in the channel 1 is reduced.

Referring to fig. 2 and fig. 3, before grass planting construction, the slope exposed soil is washed by rainwater, so that the part of the masonry skeleton 21 embedded into the soil is exposed and collapsed, and because the bearing capacity of the masonry skeleton 21 is low, the collapsed soil is easy to impact the masonry skeleton 21, so that the masonry skeleton 21 is broken and collapsed, the collapsed masonry skeleton 21 can aggravate collapse of the soil, and the collapsed soil enters the channel 1 and pollutes water flow in the channel 1. For the bearing capacity that increases masonry stone skeleton 21, masonry stone skeleton 21 includes the stone layer 211 and a plurality of steel wire netting layer 212 that set up that a plurality of superposes, and steel wire netting layer 212 passes through concrete placement fixed connection in stone layer 211 that mortises to make a plurality of steel wire netting layers 212 inlay respectively one by one and locate between two adjacent stone layers 211 that mortises of difference. Anchor cables 213 are fixedly connected to the joints of the masonry frame 21, one ends of the anchor cables 213 are embedded in the joints of the masonry frame 21, one ends of the anchor cables 213 embedded in the masonry frame 21 are fixedly connected to the plurality of steel wire mesh layers 212, and the other ends of the anchor cables 213 are inserted into and anchored to the side slope.

The steel wire mesh layer 212 can increase the bearing strength of the masonry stone framework 21, so that the masonry stone framework 21 is not easy to break and collapse due to loss of collapsed soil. Anchor rope 213 direct fixed connection is in steel wire mesh layer 212, and anchor rope 213 can consolidate a plurality of stone layers 211 that grout through steel wire mesh layer 212, and the other end of anchor rope 213 is inserted simultaneously and is established and anchor in the side slope to optimize the stability of stone skeleton 21 connection in the side slope that grout, difficult because of soil stone is by the rainwash after, the part of burying of stone skeleton 21 exposes and causes and cave in.

Referring to fig. 1 and 2, since the accumulated water or rainwater flowing down from the side slope may have mud stones, the flow of water flowing into the channel 1 may pollute the flow of water in the channel 1. Stone masonry drainage ditch 3 has been seted up towards one side of channel 1 to stone masonry skeleton grass planting bank protection 2, and stone masonry drainage ditch 3 extends the setting along channel 1. Ponding or rainwater that have mud stone that flow down from the side slope flow into in the grouted rock escape canal 3, flow along grouted rock escape canal 3 and can not flow into in the channel 1 and cause the pollution to rivers.

Referring to fig. 1 and 4, when the flow of accumulated water or rainwater on the side slope is large, the accumulated water or rainwater may overflow the masonry drainage ditch 3 and directly flow into the channel 1, and may bring more mud stones into the channel 1. Set up a plurality of drainage channel 31 with the channel 1 intercommunication in the bottom of stone masonry escape canal 3, a plurality of drainage channel 31 are the interval along the length direction of stone masonry escape canal 3 and set up, and fixedly connected with is used for filtering the filter screen 32 of debris in the drainage channel 31.

The masonry drainage ditch 3 is communicated with the channel 1 through the drainage channel 31, when the flow of accumulated water or rainwater is overlarge, water in the masonry drainage ditch 3 can flow into the channel 1 through the drainage channel 31, the filter screen 32 can reduce mud stones in the accumulated water or the rainwater to enter the channel 1, and the situation that a large amount of mud stones are brought into the channel 1 to pollute the water flow due to the fact that the accumulated water or the rainwater directly overflows the masonry drainage ditch 3 is reduced.

Referring to fig. 2 and 3, when the ponding on the slope not covered by the stone masonry grass protection slope 2 flows downward, the ponding may flow into the planting area 23, and the ponding is formed in the planting area 23, which may affect the growth of the vegetation 22. One side that the slope was kept away from to stone masonry skeleton 21 is seted up fluted 4, and the extension route adaptation of recess 4 communicates each other in the recess 4 of the frame of stone masonry skeleton 21 and different frame departments, and recess 4 communicates in stone masonry escape canal 3 in the one end of stone masonry skeleton 21 bottom.

Ponding on the slope flows into recess 4 when flowing to the stone masonry skeleton 21 top, and ponding flows into in the stone masonry escape canal 3 through recess 4, reduces ponding and flows into and gathers the condition that plant 22's growth caused the influence in planting the district 23.

Referring to fig. 2 and 3, when rainfall occurs, rainwater falls into the planting area 23 and is difficult to drain due to the restriction of the masonry skeleton 21, and the rainwater is accumulated in the planting area 23 to cause the roots of the vegetation 22 to rot, thereby affecting the growth of the vegetation 22. The inner wall of the groove 4 is provided with a plurality of drain holes 41, the drain holes 41 are communicated with the lower part of the planting area 23, and rainwater accumulated in the planting area 23 can flow into the groove 4 through the drain holes 41 and then flow into the masonry drainage ditch 3 through the groove 4. The drain holes 41 can drain rainwater accumulated in the planting area 23, and reduce the influence on the growth of the vegetation 22 in the rainwater accumulation planting area 23.

Referring to fig. 2 and 3, since the vegetation 22 is planted on the side slope, it is difficult to water or spray the vegetation 22 with plant nutrient solution. The masonry stone framework 21 is provided with a conveying device 5 for conveying water or plant nutrient solution, the conveying device 5 comprises a conveying pipe 51 and a water suction pump 52, the conveying pipe 51 is communicated with a water outlet of the water suction pump 52, the conveying pipe 51 is fixedly connected with the groove wall of the groove 4, the conveying pipe 51 is provided with a plurality of spray heads 53, the spray heads 53 are distributed in a side slope in an array mode, and the water inlet of the water suction pump 52 is fixedly connected with the side wall of the masonry stone drainage ditch 3.

The water pump 52 pumps water in the masonry drainage ditch 3 into the conveying pipe 51, and the vegetation 22 in the planting area 23 is sprayed through the spray head 53 arranged on the conveying pipe 51, so that the convenience of watering the vegetation 22 on the side slope is improved.

Referring to fig. 2 and 3, the seeds of vegetation 22 in the planting area 23 may move to the lower end of the planting area 23 due to gravity or rain wash, etc., so that the vegetation 22 may not grow uniformly enough, and a part of soil may be exposed. The geocell 6 is placed in the planting area 23, the side edge of the geocell 6 is provided with a plurality of through holes, and the geocell 6 is fixedly connected with the side wall of the masonry stone framework 21. Plant vegetation 22 in geotechnological check room 6, can evenly plant vegetation 22, can make the slope fully afforest, and the through-hole on geotechnological check room 6 side edge can reduce the exhaust influence of geotechnological check room 6 ponding in planting the district 23.

The implementation principle of the ecological slope protection structure of the embodiment of the application is as follows: the inner wall of the channel 1 is paved with a polyethylene composite impermeable film 11, and the surface of the polyethylene composite impermeable film 11 is provided with a channel lining layer 12. The polyethylene composite impermeable membrane 11 can prevent groundwater in the soil body from permeating into the channel 1 to pollute water flow; the channel lining layer 12 is beneficial to improving the anti-scouring capability of the channel 1, increasing the stability of the channel 1 and reducing the possibility of pollution to the water flow in the channel 1 due to collapse of the channel 1.

The masonry stone framework 21 is used for protecting the vegetation 22 from growing, and the possibility that the seeds of the vegetation 22 are washed by rainwater to cause loss in the growing process is reduced. The steel wire mesh layer 212 can increase the bearing strength of the masonry stone framework 21, so that the masonry stone framework 21 is not easy to break and collapse due to loss of collapsed soil; anchor lines 213 may optimize the stability of masonry frame 21 connection to the slope. The masonry stone framework 21 is beneficial to improving the survival rate of the vegetation 22, so that the root system of the vegetation 22 can reinforce the surface rock soil of the side slope in a wider range, and the condition that the surface rock soil of the side slope enters the channel 1 due to the erosion of rainwater and pollutes the water flow in the channel 1 is reduced.

Ponding or rainwater with mudstone that flow down from the side slope flows into in the grouted rock escape canal 3, and the water in the grouted rock escape canal 3 can flow into in the channel 1 through drainage channel 31, and the mud stone that filter screen 32 reducible ponding or rainwater in gets into in the channel 1, reduces to press from both sides the possibility that the rainwater that has the ground causes the pollution to the water in the channel 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. An ecological slope protection structure, its characterized in that: the anti-seepage irrigation ditch comprises a ditch (1) dug in a side slope, wherein a polyethylene composite anti-seepage film (11) is laid on the inner wall of the ditch (1), and a ditch lining layer (12) is arranged on the surface of the polyethylene composite anti-seepage film (11); the side slopes on two sides of the channel (1) are provided with stone masonry skeleton grass planting revetments (2), each stone masonry skeleton grass planting revetments (2) comprises a stone masonry skeleton (21) and vegetation (22) planted on the side slope, the stone masonry skeleton (21) is embedded in the slope surface of the side slope, a plurality of planting areas (23) are formed in the stone masonry skeleton (21), and the vegetation (22) is located in the planting areas (23); the stone masonry drainage ditch (3) is seted up towards one side of channel (1) in stone masonry skeleton grass planting bank protection (2).

2. The ecological slope protection structure of claim 1, characterized in that: a plurality of drainage channels (31) that communicate with channel (1) are seted up to stone masonry escape canal (3) bottom, be provided with in drainage channels (31) and reduce filter screen (32) that the impurity in the stone masonry escape canal (3) flowed into channel (1).

3. The ecological slope protection structure of claim 1, characterized in that: grout stone masonry skeleton (21) and a plurality of steel wire netting layer (212) including grout stone layer (211) and a plurality of steel wire netting layer (212) that a plurality of stacks set up, it is a plurality of steel wire netting layer (212) inlay respectively one by one and locate between two adjacent grout stone layer (211) of difference, grout stone masonry skeleton (21) a plurality of anchor ropes (213) of fixedly connected with, anchor rope (213) anchor in side slope, anchor rope (213) fixed connection is in a plurality of steel wire netting layers (212).

4. The ecological slope protection structure of claim 1, characterized in that: one side of the masonry stone framework (21) far away from the side slope is provided with a plurality of mutually communicated grooves (4), and the extending path of each groove (4) is adapted to the framework of the masonry stone framework (21).

5. The ecological slope protection structure of claim 4, characterized in that: the inner wall of the groove (4) is provided with a plurality of water drain holes (41) communicated with the lower part of the planting area (23).

6. The ecological slope protection structure of claim 4, characterized in that: recess (4) are provided with conveyor (5) that are used for transporting water or plant nutrient solution, conveyor (5) are including conveyer pipe (51) and suction pump (52), conveyer pipe (51) communicate in the delivery port of suction pump (52), conveyer pipe (51) fixed connection is in recess (4) cell wall, conveyer pipe (51) are provided with a plurality of shower heads (53), the water inlet of suction pump (52) communicate in stone masonry escape canal (3), channel (1) or the box that is equipped with plant nutrient solution.

7. The ecological slope protection structure of claim 1, wherein; geotechnical cells (6) used for uniformly planting vegetation (22) are placed in the planting area (23), and the geotechnical cells (6) are fixedly connected to the masonry stone framework (21).

8. The ecological slope protection structure of claim 1, characterized in that: the downside of channel (1) is provided with soil and stone backfill layer (7), mud stone road surface (71) that the construction operation transportation of being convenient for is built on soil and stone backfill layer (7).

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