CN113356245A

CN113356245A - Improved expansive soil side slope

Info

Publication number: CN113356245A
Application number: CN202110782687.9A
Authority: CN
Inventors: 孙学军; 钱申春; 彭申凯; 刘晓晗; 崔健; 贾延安; 沈维成
Original assignee: Anhui Road and Bridge Engineering Co Ltd
Current assignee: Anhui Road and Bridge Engineering Co Ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-09-07

Abstract

The invention discloses an improved expansive soil side slope which comprises a side slope base body and an expansive soil layer, wherein a planting layer is arranged above the expansive soil layer, protective walls are arranged on two sides of the side slope base body and the expansive soil layer, a plurality of groups of hexagonal planting seats are arranged at the planting layer, a planting area is arranged inside each hexagonal planting seat, a rainwater tank is arranged on the periphery of the upper end of each planting seat, a drain hole is formed in the lowest position of each rainwater tank, and a plurality of groups of concrete cross beams are transversely poured on the uppermost part of the expansive soil layer. According to the improved expansive soil slope, the water storage bag is designed to receive a large amount of rainwater, so that the fin part expands in volume and stretches to cover the lower expansive soil, the lower expansive soil expands and softens due to the rainwater expansion, the volume of the lower expansive soil is increased, but the pressure is given due to the gravity of the water in the upper fin part, the expansive soil is inhibited from expanding upwards in a large area to achieve the protection effect, a protective structure is constructed by utilizing natural resources, and the improved expansive soil slope is green and environment-friendly.

Description

Improved expansive soil side slope

Technical Field

The invention relates to the field of research on construction of expansive soil on roads, in particular to an improved expansive soil side slope.

Background

The expansive soil is special soil with extremely high harmfulness in practical engineering, and the instability problem of the expansive soil side slope causes high attention in the engineering field; the slope protection structure comprises anchor rod frame beams, protection piles, retaining walls, grass planting and the like, the common slope protection structure starts from landslide prevention and blocks shrinkage and expansion of expansive soil, the protection structure is aged along with time lengthening, the effect is worse and worse, the distribution of internal soil layers can change along with multiple times of water loosening, the laying process of the protection structure is complex, the cost is high, and therefore the improved expansive soil slope is provided.

Disclosure of Invention

The invention mainly aims to provide an improved expansive soil slope, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

an improved expansive soil slope comprises a slope base body and an expansive soil layer, wherein a planting layer is arranged above the expansive soil layer, protective walls are arranged on two sides of the slope base body and the expansive soil layer, a plurality of groups of hexagonal planting seats are arranged at the planting layer, planting areas are arranged in the hexagonal planting seats, rainwater grooves are formed in the upper ends of the planting seats, drain holes are formed in the lowest positions of the rainwater grooves, a plurality of groups of concrete beams are transversely poured on the uppermost portion of the expansive soil layer, two sides of the concrete beams are fixed with the protective walls, mounting grooves are formed in the concrete beams, water storage bags are arranged in the mounting grooves, fins are symmetrically arranged on two sides of the water storage bags and extend into the expansive soil layer, the upper ends of the water storage bags are fixed with the concrete beams through adhesion layers, grooves are formed in the middle positions of the upper end faces of the concrete beams, the bottom of recess is passed through the pipe and is stretched into in the water storage bag, the wing portion is through the free extension of telescopic limit and shrink, the equidistance is installed the seepage valve in the telescopic limit, pressure sensor is installed to one side of seepage valve.

Preferably, plants with dense leaves are planted in the planting area, so that rainwater can be conveniently guided into the rainwater tank.

Preferably, a high-density filter screen is arranged in the drain hole.

Preferably, the concrete beam is horizontally arranged at the lower end of the concrete beam and is buried in the expansive soil layer.

Preferably, the area of each group of fin parts which is unfolded after water enters is just covered on the section of the expansion soil layer, and the water storage bag is made of rubber and high polymer fiber fabric synthetic materials and can be expanded to store water.

Preferably, the pressure sensor is attached to the fin part, measures the pressure of the swelling soil layer to the fin part, and is electrically connected with the seepage valve.

Preferably, after the seepage valve is opened, water in the water storage bag leaks into the expansive soil layer, and the seepage valves are equidistantly arranged at the folding positions of the telescopic edges.

The invention provides an improved expansive soil slope through improvement, and compared with the prior art, the improved expansive soil slope has the following remarkable improvements and advantages:

(1) a plurality of hexagons are built at the vegetable layer and are planted the seat to choose to plant the intensive plant of blade, be convenient for on the one hand and plant the management on layer, on the other hand collects more rainwater, has reduced the rainwater volume that directly enters into the inflation soil layer.

(2) The structures of the hexagonal planting seats and the concrete beam are combined, so that a supporting effect can be achieved to a certain extent, and landslide is prevented.

(3) Design water storage bag, receive a large amount of rainwater, make wing portion volume expansion and stretch out, cover the inflation soil of lower floor, lower floor inflation soil because rainwater inflation is softened, the volume grow, nevertheless because the gravity of top wing portion water-logging, the pressure of giving to thereby it upwards expands by a large scale to have suppressed inflation soil and has reached the effect of protection, utilizes natural resources to build protective structure, green.

(4) On the basis of the water storage bag, a leakage structure is developed, the pressure sensor detects the weakening of pressure, the seepage valve is automatically opened, water drops in the water storage bag slowly leak into the expansive soil layer, the water content of the lower expansive soil layer is maintained, so that the contraction of the lower expansive soil layer is restrained, the protection effect is achieved, and the whole system achieves the recycling effect.

(5) Whole side slope design is simple, accords with actual service standard, and reduction in production cost improves work efficiency, and the effect of use is better for traditional mode.

Drawings

FIG. 1 is a schematic view of the overall structure of an improved expansive soil slope of the present invention;

FIG. 2 is a structural view of an improved hexagonal planting base for expansive soil slopes in accordance with the present invention;

FIG. 3 is a position view of an improved expansive soil side slope concrete beam and a water storage bag according to the present invention;

FIG. 4 is an enlarged view of a modified expansive soil slope with telescoping sides according to the present invention;

fig. 5 is a diagram showing the erection position of an improved expansive soil side slope concrete beam of the present invention.

In the figure: 1. a slope base; 2. expanding the soil layer; 3. planting a layer; 4. a protective wall; 5. a hexagonal planting base; 6. a planting area; 7. a rain gutter; 8. a drain hole; 9. a concrete beam; 10. a water storage bag; 11. a placing groove; 12. a wing portion; 13. an adhesion layer; 14. a conduit; 15. the edges are stretched; 16. a seepage valve; 17. a pressure sensor; 18. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-5, an improved expansive soil slope comprises a slope base body 1 and an expansive soil layer 2, a planting layer 3 is arranged above the expansive soil layer 2, protective walls 4 are arranged on two sides of the slope base body 1 and the expansive soil layer 2, a plurality of groups of hexagonal planting seats 5 are arranged at the planting layer 3, a planting area 6 is arranged inside each hexagonal planting seat 5, a rain gutter 7 is arranged around the upper end of each planting seat 5, a drain hole 8 is arranged at the lowest position of each rain gutter 7, a plurality of groups of concrete beams 9 are transversely poured on the uppermost portion of the expansive soil layer 2, two sides of each concrete beam 9 are fixed with the protective walls 4, a mounting groove 11 is arranged inside each concrete beam 9, a water storage bag 10 is arranged in each mounting groove 11, fins 12 are symmetrically arranged on two sides of each water storage bag 10 and extend into the expansive soil layer 2, the upper end of each water storage bag 10 is fixed with the concrete beams 9 by an adhesion layer 13, a groove 18 is formed in the middle of the upper end face of the concrete beam 9, the bottom of the groove 18 extends into the water storage bag 10 through a guide pipe 14, the fin 12 freely extends and contracts through a telescopic edge 15, seepage valves 16 are arranged in the telescopic edge 15 at equal intervals, and a pressure sensor 17 is arranged on one side of each seepage valve 16;

the planting area 6 is used for planting plants with dense leaves, so that rainwater can be conveniently guided into the rainwater tank 7; a high-density filter screen is arranged in the drain hole 8; the concrete beam 9 is horizontally arranged at the lower end of the concrete beam 9 and is embedded into the expansion soil layer 2; the area of each group of fin parts 12 which is unfolded after water enters is just covered on the section of the expansion soil layer 2, and the water storage bag 10 is made of rubber and high polymer fiber fabric synthetic materials and can be expanded to store water; the pressure sensor 17 is attached to the fin part 12, measures the pressure of the expanded soil layer 2 to the fin part 12 and is electrically connected with the seepage valve 16; after the seepage valve 16 is opened, water drops in the water storage bag 10 leak into the expansive soil layer 2, and the seepage valve 16 is equidistantly arranged at the folding position of the telescopic edge 15; all the electric equipment related in the device are controlled by a unified circuit and a PLC controller, the control principle is simple, and the device is the prior art.

It should be noted that the present invention is an improved expansive soil side slope, when raining, rainwater directly drops into the rainwater tank 7 of the planting seat 5, or is guided into the rainwater tank 7 through the leaves of the plant, filtered, and injected into the upper end groove 18 of the concrete beam through the drain hole 8 for temporary storage, so as to reduce the amount of rainwater directly entering the expansive soil layer 2, the rainwater in the groove 18 is injected into the water storage bag 10 through several groups of pipes 14, and slowly flows into the wing parts 12 at two sides, so that the wing parts 12 expand in volume and stretch, the expansive soil at the lower layer is covered, the expansive soil at the lower layer is softened due to the expansion of the rainwater, the volume is increased, but due to the gravity of the water in the upper wing part 12, the pressure is given, so that the expansive soil is restrained from expanding upwards to achieve the protection effect, when the expansive soil at the lower layer is shrunk due to water loss, the pressure sensor 17 arranged on the telescopic side 15 detects the pressure reduction, the signal is transmitted to the seepage valve 16, the seepage valve 16 is automatically opened, water drops in the water storage bag 10 slowly leak into the expansive soil layer 2, the water content of the lower expansive soil layer is maintained, so that the contraction of the lower expansive soil layer is inhibited, the protection effect is achieved, the water is discharged almost till the fin part 12, the original state is recovered, and the process is circulated.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an improved generation inflation soil side slope, includes side slope base member (1) and inflation soil layer (2), its characterized in that: the side slope planting device is characterized in that a planting layer (3) is arranged above the expansion soil layer (2), protective walls (4) are arranged on two sides of the side slope base body (1) and the expansion soil layer (2), a plurality of groups of hexagonal planting seats (5) are arranged at the planting layer (3), a planting area (6) is arranged inside each hexagonal planting seat (5), a rainwater groove (7) is arranged on the periphery of the upper end of each planting seat (5), a drain hole (8) is formed in the lowest position of each rainwater groove (7), a plurality of groups of concrete cross beams (9) are transversely poured on the uppermost portion of the expansion soil layer (2), two sides of each concrete cross beam (9) are fixed with the protective walls (4), an installing groove (11) is arranged inside each concrete cross beam (9), a water storage bag (10) is arranged in each installing groove (11), and fins (12) are symmetrically arranged on two sides of each water storage bag (10) and extend into the expansion soil layer (2), the upper end of the water storage bag (10) is fixed with the concrete beam (9) through an adhesion layer (13), a groove (18) is formed in the middle position of the upper end face of the concrete beam (9), the bottom of the groove (18) extends into the water storage bag (10) through a guide pipe (14), the fin (12) freely extends and contracts through a telescopic edge (15), seepage valves (16) are installed in the telescopic edge (15) at equal intervals, and a pressure sensor (17) is installed on one side of each seepage valve (16).

2. An improved expansive soil slope as defined in claim 1, wherein: plants with dense leaves are planted in the planting area (6), so that rainwater can be conveniently guided into the rainwater tank (7).

3. An improved expansive soil slope as defined in claim 2, wherein: and a high-density filter screen is arranged in the drain hole (8).

4. An improved expansive soil slope as defined in claim 3, wherein: the concrete cross beam (9) is horizontally arranged at the lower end of the concrete cross beam (9) and is embedded into the expansion soil layer (2).

5. An improved expansive soil slope according to claim 4, wherein: the area of each group of fin parts (12) which is unfolded after water enters is just covered on the section of the expansion soil layer (2), and the water storage bag (10) is made of rubber and high polymer fiber fabric synthetic materials and can be expanded to store water.

6. An improved expansive soil slope according to claim 5, wherein: the pressure sensor (17) is attached to the fin part (12), measures the pressure of the expanded soil layer (2) to the fin part (12), and is electrically connected with the seepage valve (16).

7. An improved expansive soil slope as defined in claim 6, wherein: after the seepage valve (16) is opened, water in the water storage bag (10) leaks into the expansion soil layer (2), and the seepage valve (16) is equidistantly arranged at the folding position of the telescopic edge (15).