CN218373925U

CN218373925U - Ecological slope protection structure for arid area

Info

Publication number: CN218373925U
Application number: CN202122569943.4U
Authority: CN
Inventors: 弋鹏飞; 马奭文; 张建鹏
Original assignee: Ili Normal University
Current assignee: Ili Normal University
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2023-01-24
Anticipated expiration: 2031-10-25

Abstract

The utility model relates to an ecological slope protection structure for arid area belongs to bank protection retaining wall technical field. The structure comprises a slope body, a drainage ditch, a planting unit and a water-saving irrigation system, wherein the drainage ditch is arranged below the slope body, the planting unit and the water-saving irrigation system are respectively arranged on the upper surface of the slope body, the side wall of the lower end of the slope body is provided with a water drainage hole, and a water drainage pipe is obliquely distributed on the slope body; the planting unit comprises a concrete frame and vegetation, and the vegetation is planted in a culture soil layer in the concrete frame; the water-saving irrigation system comprises a water inlet pipeline and an irrigation hub. The utility model has the advantages that by arranging the drain pipe, the drain holes and the drainage ditches, the drainage volume can be increased when the rainfall is large, so that accumulated water can be drained conveniently, the water pressure borne by the slope body is reduced, and the drainage ditches mainly bear the drainage of the drain holes to prevent the accumulated water from permeating into the damaged foundation; the planting unit can play a role in restoring ecology; the water-saving irrigation system can save water resources.

Description

Ecological slope protection structure for arid area

Technical Field

The utility model relates to an ecological slope protection structure for arid area belongs to bank protection retaining wall technical field.

Background

In civil engineering construction of terrain on side slopes, particular attention is paid to side slope protection to ensure the stability of mountains. The traditional slope protection method comprises concrete slope protection and mortar masonry block stone slope protection. The problem that the ecological environment is damaged and the water permeability is poor exists, and if the rainfall is large, the slope protection scouring is large, so that the slope protection structure is easily damaged.

Particularly, on some common mountain slopes in northwest arid regions, the wind effect of rocks is strong, the strength is reduced, and potential safety hazards are caused by the fact that less rainfall is generated, slope vegetation is sparsely distributed, the water and soil conservation capacity is weak, when wind and sand are large, sandy soil on the slope surface and the slope top is blown into slope feet, and facilities such as roads, railways, reservoirs and the like arranged close to the mountain are buried.

The inventor searches the prior art, and further improves the design aiming at the requirements of rock-soil side slopes in northwest arid regions on the basis of the assembled slope protection in the southern rainfall region of CN 213173809U to improve the ecological environment compatibility, the water permeability and the weather resistance, thereby creating the invention.

Disclosure of Invention

The technical problem is as follows: aiming at the defects of the prior art, the ecological slope protection structure for the arid area can restore the ecological environment, has good water permeability and can fully save water resources.

The technical scheme is as follows: an ecological slope protection structure for arid regions comprises a slope body, a drainage ditch, a planting unit and a water-saving irrigation system, wherein the drainage ditch is arranged below the slope body; the planting units comprise concrete frames and vegetation, the concrete frames are uniformly distributed on the upper surface of the slope body, culture soil layers are laid in the concrete frames, and the vegetation is planted in the culture soil layers in the concrete frames; the water-saving irrigation system comprises a water inlet pipeline and an irrigation pivot, wherein the water inlet pipeline is communicated with the irrigation pivot, and the irrigation pivot is close to the concrete frame and is used for carrying out drip irrigation on vegetation.

The improvement of the technical scheme is as follows: the outlet includes from last to last outlet and the lower water drainage hole that sets gradually down, and the outlet is two, two outlet respectively with last outlet and lower water drainage hole intercommunication setting.

The improvement of the technical scheme is as follows: the reinforcing piece and the sloping body rigid coupling are passed through in the four corners of concrete frame, and the reinforcing piece includes nut and stock, the upper end rigid coupling of nut and stock, and the stock runs through concrete frame and stretches into the sloping body setting.

The improvement of the technical scheme is as follows: the irrigation pivot is responsible for and is set up with the inlet channel intercommunication including being responsible for, branch pipe and valve, and the branch pipe runs through the concrete frame setting, and the valve setting is close to vegetation department at the branch pipe.

The improvement of the technical scheme is as follows: a capillary is arranged in the concrete frame close to the vegetation through a fixing mechanism and communicated with the branch pipe.

The improvement of the technical scheme is as follows: the fixing mechanism comprises a rubber groove, a clamping ring and a ground nail, the rubber groove is formed in the upper surface of the culture soil layer, the capillary is arranged in the rubber groove, the clamping ring is arranged above the capillary and used for fixing the capillary, and the ground nail penetrates through the two ends of the clamping ring and stretches into the culture soil layer to be used for fixing the clamping ring.

The improvement of the technical scheme is as follows: the inlet department that the sloping body upper end is close to the outlet pipe is provided with filtration for filtering native granule, and filtration is two-layer and sets gradually from top to bottom.

The improvement of the technical scheme is as follows: the filtration includes that filter layer and clay tamp the layer, and the filter layer setting is in clay tamp layer upper end, and the filter layer packing has the grit, and the height of the import department that highly is less than the outlet pipe on clay tamp layer is high.

The improvement of the technical scheme is as follows: the section of the slope body is a right-angled trapezoid.

The improvement of the technical scheme is as follows: the slope body is made of concrete, and a steel bar net layer is arranged in the slope body.

Has the advantages that:

(1) The ecological slope protection structure for the arid area can increase the water discharge when the rainfall is large by arranging the drain pipe, the drain hole and the drainage ditch, so that the water pressure borne by the slope body is reduced, the drainage ditch mainly receives the water discharged from the drain hole, and the accumulated water is prevented from permeating into the damaged foundation; a filtering structure is arranged at the upper end of the slope body close to the inlet of the water drain pipe and used for filtering soil particles to prevent silt from clogging the water drain pipe, and a clay tamping layer of the filtering structure can prevent accumulated water from permeating into a foundation;

(2) The ecological slope protection structure for the arid area can play a role in restoring ecology through the planting units, can also effectively prevent water and soil loss of the slope, can play a role in protecting vegetation and irrigation facilities through concrete frames of the planting units, and can save water resources and be suitable for being used in the arid area;

(3) The utility model discloses a material of a slope body for ecological slope protection structure in arid area is the concrete, is provided with the reinforcing bar stratum reticulare in the slope body, because the material is from great, can bear great level and vertical load, because reinforcing bar pulling force effect, the building wholeness is good, reducible uneven settlement.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is a schematic perspective view of an ecological slope protection structure for arid areas according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the ecological slope protection structure for arid areas provided with a filtering structure according to the embodiment of the present invention;

fig. 3 is a schematic structural view of an irrigation hub in an ecological slope protection structure for arid areas according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a fastener in an ecological slope protection structure for arid areas according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a fixing mechanism in an ecological slope protection structure for arid areas according to an embodiment of the present invention;

wherein: 1-water inlet pipe, 2-concrete frame, 21-reinforcement, 211-nut, 212-anchor rod, 3-vegetation, 31-rubber groove, 32-snap ring, 33-ground nail, 34-cultivation soil layer, 4-irrigation hub, 41-main pipe, 42-valve, 43-branch pipe, 5-slope body, 6-lower drain hole, 7-drainage ditch, 71-drainage port, 8-upper drain hole, 9-drain pipe, 10-filter layer, 11-slope, 12-clay tamping layer, 13-capillary.

Detailed Description

Examples

The ecological slope protection structure for the arid region in the embodiment is shown in fig. 1-5 and comprises a slope body 5, a drainage ditch 7, a planting unit and a water-saving irrigation system, wherein the drainage ditch 7 is arranged below the slope body 5, the planting unit and the water-saving irrigation system are respectively arranged on the upper surface of the slope body 5, the side wall of the lower end of the slope body 5 is provided with a water drainage hole, a water drainage pipe 9 is obliquely arranged on the slope body 5, and the water drainage pipe 9 is communicated with the water drainage hole; the planting units comprise concrete frames 2 and vegetation 3, the concrete frames 2 are uniformly distributed on the upper surface of the slope body 5, culture soil layers 34 are laid in the concrete frames 2, and the vegetation 3 is planted in the culture soil layers 34 in the concrete frames 2; the water-saving irrigation system comprises a water inlet pipeline 1 and an irrigation pivot 4, wherein the water inlet pipeline 1 is communicated with the irrigation pivot 4, and the irrigation pivot 4 is close to the concrete frame 2 and is used for drip irrigation of vegetation 3. The outlet includes from last outlet 8 and the lower outlet 6 that sets gradually down, and the outlet 9 is two, and two outlet 9 set up with last outlet 8 and the lower outlet 6 intercommunication respectively. The cross section of the sloping body 5 is a right-angled trapezoid. The slope body 5 is made of concrete, and a steel bar net layer (not shown in the figure) is arranged in the slope body 5. Drainage outlets 71 are provided at both ends of the drainage ditch 7.

In the ecological slope protection structure for arid area of this embodiment, reinforcement 21 and the solid connection of sloping body 5 are passed through in the four corners of concrete frame 2, as shown in fig. 4, reinforcement 21 includes nut 211 and stock 212, and the upper end solid connection of nut 211 and stock 212, stock 212 run through concrete frame 2 and stretch into the setting of sloping body 5. The stock 212 is provided with the external screw thread, and stock 212 and

concrete frame

2 and 5 threaded connection on the sloping field contain the cross silk mouth on the nut, and the cross silk mouth is convenient for operating the screw rifle quick fixation concrete frame 2.

In the ecological slope protection structure for arid area of this embodiment, as shown in fig. 3, the irrigation hub 4 includes a main pipe 41, branch pipes 43 and valves 42, the main pipe 41 is communicated with the water inlet pipe 1, the branch pipes 43 are arranged through the concrete frame 2, and the valves 42 are arranged at the positions of the branch pipes 43 near the vegetation 3. Wherein the valve 42 may be a ball valve.

In the ecological slope protection structure for arid area of this embodiment, be close to 3 departments of vegetation in the concrete frame 2 and be provided with hollow billet 13 through fixed establishment, hollow billet 13 and branch pipe 43 intercommunication setting. As shown in fig. 5, the fixing mechanism includes a rubber groove 31, a snap ring 32 and ground nails 33, the rubber groove 31 is disposed on the upper surface of the cultivation soil layer 34, the capillary 13 is disposed in the rubber groove 31, the snap ring 32 is disposed above the capillary 13 for fixing the capillary 13, and the ground nails 33 penetrate through the two ends of the snap ring 32 and extend into the cultivation soil layer 34 for fixing the snap ring 32.

In the ecological slope protection structure for arid area of this embodiment, as shown in fig. 2, the inlet department that is close to water escape pipe 9 on the sloping 5 upper ends is provided with filtration and is used for filtering soil particles, and filtration buries underground in side slope 11, and filtration is two-layer and sets gradually from top to bottom. The filtering structure comprises a filtering layer 10 and a clay tamping layer 12, wherein the filtering layer 10 is arranged at the upper end of the clay tamping layer 12, the filtering layer 10 is filled with gravels, and the height of the clay tamping layer 12 is lower than the height of an inlet of the water drain pipe 9.

The ecological slope protection structure for the arid area of this embodiment is when practical application, and the buried depth of body of slope 5 is adjusted according to bearing capacity, the freezing degree of depth, the engineering geological conditions of holding power layer foundation soil. The foundation soil is a soft sand layer, the foundation area is increased by 1.1-1.4 times, and the bearing capacity of the foundation is increased. For the severe cold area in Xinjiang in winter, the foundation is buried 0.25m below the frozen soil layer, and is determined to be 1m below, so that no underground water influence is caused. When the weathered rock stratum exists on the base, the weathered rock stratum is completely removed, the excavation depth is 0.15-0.25m, a concrete cushion is adopted, the concrete strength is not lower than C20, the wall concrete strength is not lower than C30, and a reinforced rib net layer is arranged at the bottom of the slope 5 and the foundation. By adopting the operation, the strength of the foundation is improved, uneven settlement is reduced, the stable foundation is realized, the reinforcing steel bar net layer is arranged to play a role in tensile resistance, the tensioning effect of the load of the slope body 5 on the foundation is resisted, the slope body 5 is formed by pouring concrete, and the reinforcing steel bar net layer is added, so that the stability of the slope body 5 is enhanced. The vegetation 3 is selected from drought-enduring dwarf grass with strong vitality, such as trifoliate orange, bermuda grass, tall fescue and ryegrass, and the dwarf grass has the advantages of low price, low water consumption, convenient management and the like. When the drain pipe 9 is pre-buried, the size of the drain pipe 9 is determined according to the rainfall of the area, and the pipe diameter range of the drain pipe 9 is 50-100mm. Adopt the person in charge 41, branch pipe 43 and the capillary 13 of PVC material, branch pipe 43 is the crotch type with being responsible for 41 and inserts the concrete frame 2 to one side, and capillary 13 lays near the root system of vegetation 3, and rivers flow to the slope end from the top of the slope during drip irrigation, rely on gravity to drip into the root system soil of vegetation 3 with moisture, supply vegetation 3 to grow, and vegetation 3 root system is pricked root soil shallower, does not have the influence to the structure of body of the slope 5. The import department that the body of sloping 5 upper end is close to wash-out pipe 9 is provided with filtration and is used for filtering native granule to prevent that silt from silting up wash-out pipe 9, filtration's clay tamp layer 12 can prevent that ponding from permeating the ground.

Claims

1. The utility model provides an ecological slope protection structure for arid area which characterized in that: the water-saving irrigation system comprises a sloping body (5), a drainage ditch (7), a planting unit and a water-saving irrigation system, wherein the drainage ditch (7) is arranged below the sloping body (5), the planting unit and the water-saving irrigation system are respectively arranged on the upper surface of the sloping body (5), a drainage hole is formed in the side wall of the lower end of the sloping body (5), a drainage pipe (9) is obliquely distributed on the sloping body (5), and the drainage pipe (9) is communicated with the drainage hole; the planting units comprise concrete frames (2) and vegetation (3), the concrete frames (2) are uniformly distributed on the upper surface of the slope body (5), culture soil layers (34) are laid in the concrete frames (2), and the vegetation (3) are planted in the culture soil layers (34) in the concrete frames (2); the water-saving irrigation system comprises a water inlet pipeline (1) and an irrigation junction (4), wherein the water inlet pipeline (1) is communicated with the irrigation junction (4), and the irrigation junction (4) is close to the concrete frame (2) and is used for carrying out drip irrigation on the vegetation (3).

2. The ecological slope protection structure for arid regions according to claim 1, wherein: the outlet includes from last to last outlet (8) and lower outlet (6) that set gradually down, outlet (9) are two, two outlet (9) respectively with go up outlet (8) and lower outlet (6) intercommunication setting.

3. The ecological slope protection structure for arid regions according to claim 1, wherein: reinforcing member (21) is passed through in the four corners of concrete frame (2) with slope (5) rigid coupling, reinforcing member (21) include nut (211) and stock (212), nut (211) with the upper end rigid coupling of stock (212), stock (212) run through concrete frame (2) and stretch into slope (5) set up.

4. The ecological slope protection structure for arid areas according to claim 1, wherein: irrigation pivot (4) are including being responsible for (41), branch pipe (43) and valve (42), be responsible for (41) with inlet channel (1) intercommunication sets up, branch pipe (43) run through concrete frame (2) set up, valve (42) set up branch pipe (43) are close to vegetation (3) department.

5. The ecological slope protection structure for arid areas according to claim 4, wherein: be close to in concrete frame (2) vegetation (3) department is provided with hollow billet (13) through fixed establishment, hollow billet (13) with branch pipe (43) intercommunication sets up.

6. The ecological slope protection structure for arid regions according to claim 5, wherein: fixed establishment includes rubber recess (31), snap ring (32) and ground nail (33), rubber recess (31) set up cultivate the upper surface of soil layer (34), capillary (13) set up in rubber recess (31), snap ring (32) set up capillary (13) top is used for fixing capillary (13), ground nail (33) run through the both ends of snap ring (32) and stretch into it is used for fixing to cultivate soil layer (34) snap ring (32).

7. The ecological slope protection structure for arid areas according to claim 1, wherein: slope (5) upper end is close to the import department of outlet pipe (9) is provided with filtration and is used for filtering native granule, filtration is two-layer and from last to setting gradually down.

8. The ecological slope protection structure for arid areas of claim 7, wherein: the filtering structure comprises a filtering layer (10) and a clay tamping layer (12), wherein the filtering layer (10) is arranged at the upper end of the clay tamping layer (12), sand is filled in the filtering layer (10), and the height of the clay tamping layer (12) is lower than that of an inlet of the water drain pipe (9).

9. The ecological slope protection structure for arid areas according to claim 1, wherein: the cross section of the slope body (5) is a right trapezoid.

10. The ecological slope protection structure for arid areas according to claim 1, wherein: the slope body (5) is made of concrete, and a steel bar net layer is arranged in the slope body (5).