CN218466579U

CN218466579U - Channel type abandoned slag field blocking facility

Info

Publication number: CN218466579U
Application number: CN202222140935.2U
Authority: CN
Inventors: 顾小华; 杨智; 马平森; 李增; 徐鸿瑞; 顾世祥; 黄晓勇; 杨寿荣; 弥智娟; 刘源
Original assignee: Yunnan Institute Of Water Conservancy And Hydropower Investigation And Design
Current assignee: Yunnan Institute Of Water Conservancy And Hydropower Investigation And Design
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2023-02-10
Anticipated expiration: 2032-08-15

Abstract

The utility model discloses a slag yard blocking facility is abandoned to channel type, a serial communication port, include: a blocking structure, a greening pool, a water chute and a blind ditch; the retaining structure is arranged at the toe of the abandoned dreg site, the blind ditch is arranged at the bottom of the dreg pile, penetrates through the lower part of the retaining structure and extends outwards for no less than 2 meters, the greening pool is fixedly arranged on the outer side of the wall toe of the retaining structure, the water chute is arranged between the surface slope and the greening pool, and the middle section of the water chute is communicated to the blind ditch; the interior of the retaining structure is fixedly provided with a drain pipe which is communicated with the back slope and the surface slope of the retaining structure, and the side wall of the greening pool is provided with the drain hole which penetrates through the interior and the exterior of the greening pool; the blocking facility is internally provided with a drain pipe, seepage water is drained into a greening pool through the drain hole to be absorbed, the unabsorbed water is gathered into a middle blind ditch and drained into a downstream channel of a waste slag yard, so that the seepage water of slag bodies is prevented from directly scouring the foundation of a wall body, the stability of the blocking wall body is facilitated, the risk of diking is reduced, and the ecological and landscape effects are improved.

Description

Channel type slag site abandoning blocking facility

Technical Field

The utility model belongs to the technical field of abandon the sediment field and block the sediment, concretely relates to facility is blocked in sediment field is abandoned to ditch type.

Background

The earth and stone volume is large in the engineering construction of mountainous areas and hilly areas, the waste slag field can not be built, so that excess earth and stone slag of the engineering can be stacked, a drainage cut is generally arranged at the periphery of the waste slag field to intercept upstream channels of the waste slag field and peripheral slope catchment, a blind ditch is arranged at the bottom of the waste slag field, and a blocking facility is designed for downstream slag feet. The construction of the slag dump generally requires that the slag is blocked and then discarded, namely, the slag retaining wall is constructed firstly and then the slag is discarded. The slag retaining wall is generally of a mortar stone, concrete or buried stone concrete structure.

Most of the existing slag retaining walls are single retaining walls, and facilities for effectively discharging water in a blind ditch to the downstream of a waste slag field channel, effectively connecting the blind ditch with a retaining wall and serving for the stability of a retaining structure are lacked; in areas with large precipitation, when the slag dump is of a channel type, blocking water blocking outside the wall to wash the ground surface and erode the bottom of the wall, so that the stability of the wall is easy to damage, and the irreparable situations of wall diking and the like are caused; lacks an ecological structure which makes full use of the drainage in the slag body so as to increase the landscape effect.

Therefore, a retaining wall is effectively connected with a blind ditch, the water blocking of the outer side of the wall body can be achieved, the overall stability of the wall body is improved, and the retaining facility with the landscape effect is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a sediment field facility of blocking is abandoned to channel type realizes effectively linking up of french drain and wall body through the drainage structures of designing mutually supporting, will abandon the sediment body infiltration and introduce channel low reaches, avoids the harmony water to destroy its stability.

In order to achieve the technical effect of solving the technical problem, the utility model discloses a realize through following technical scheme: the utility model provides a slag yard facility of blocking is abandoned to channel type which characterized in that includes: a blocking structure, a greening pool, a water chute and a blind ditch;

the retaining structure is arranged at the toe of the waste slag field, the blind ditch is arranged at the bottom of the slag pile, penetrates through the lower part of the retaining structure and extends outwards for not less than 2 meters, the greening pool is fixedly arranged on the outer side of the wall toe of the retaining structure, the water guide groove is arranged between the surface slope and the greening pool, and the middle section of the water guide groove is communicated to the blind ditch;

the interior of the retaining structure is fixedly provided with a drain pipe which is communicated with the back slope and the surface slope of the retaining structure, and the side wall of the greening pool is provided with a drain hole which penetrates through the interior and the exterior of the greening pool;

furthermore, the blind ditch is trapezoidal, the bottom of the blind ditch is a rock block layer, the top of the blind ditch is a gravel layer, and geotechnical cloth is paved in the gravel layer;

further, the blind ditch geotextile extends outwards along the horizon by a distance not less than 0.3 m;

furthermore, the drain pipes are arranged in the blocking structure in a shape like a Chinese character pin, PVC drain pipes with the pipe diameter of 110mmPVC are adopted, the spacing distance is 1.5-2 m, and the inlet of each drain pipe is wrapped by geotextile to prevent broken stones from being filtered;

furthermore, the blind ditch penetrating out of the blocking structure adopts a culvert and reinforced concrete cover plate mode, and the reinforced concrete cover plate is arranged above the culvert;

furthermore, the inlet of the drain pipe is wrapped with a gravel reverse filter bag by geotextile;

furthermore, the distance between the drain holes of the water chute is 1.5-2 m;

furthermore, the greening pool is of a plain concrete structure, the thickness of the pool wall and the pool bottom is 20cm, a broken stone cushion layer is arranged at the bottom, the thickness of the cushion layer is 20cm, the bottom of the greening pool is flush with the bottom of the water guide groove, the height of the greening pool is 40cm, and the greening pool is covered with soil to plant grass-filled vegetation with shallow root systems.

The utility model has the advantages that:

1. the retaining facility is characterized in that a traditional retaining wall body is improved, a drain pipe is arranged in the retaining wall body, seepage water in slag bodies is drained to a water chute on the outer side of the wall body, a part of seepage water is absorbed by a greening pool through the drain hole, the unabsorbed water flows into and converges to a middle blind ditch, and the seepage water is drained to a downstream channel of a slag abandoning field through the blind ditch extending outside the retaining wall, so that water blocking caused by seepage of the slag bodies on the outer side of the retaining wall body is avoided, and the foundation of the retaining wall body is directly washed to shake; this blocking facility compares in traditional wall body that blocks, has solved the water harmony problem, is favorable to blocking the stability of wall body, has reduced the risk of its levee, has guaranteed the life-span of blocking the wall body.

2. The blind ditch of the facility penetrates through the retaining wall, and is discharged into a downstream channel of the abandoned slag yard through the blind ditch extending outside the retaining wall, so that the effective connection between the retaining wall and the blind ditch is realized.

3. Through setting up guiding gutter and afforestation pond, the sediment body seeps water and is used for irrigating the plant, has realized the effective utilization of water resource, has promoted the ecology and the view effect of retaining structure.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a channel type spoil site retaining facility;

FIG. 2 is a schematic cross-sectional view of a blind ditch of a channel-type refuse dump retaining facility;

FIG. 3 is a schematic plan view of a refuse dump of a channel-type refuse dump retaining facility;

FIG. 4 is a sectional view (section B-B) of a refuse dump retaining structure of a channel-type refuse dump retaining facility;

FIG. 5 isbase:Sub>A sectional view (A-A section) ofbase:Sub>A refuse dump ofbase:Sub>A channel-type refuse dump retaining facility;

FIG. 6 is a schematic cross-sectional view of an inner blind ditch of a retaining structure of a channel type spoil area retaining facility;

in the drawings, the components represented by the respective reference numerals are listed below:

1-blocking structure, 11-drainage pipe, 12-back slope, 13-surface slope, 14-reverse filter bag, 2-guiding gutter, 3-greening pool, 31-drainage hole, 4-blind ditch, 41-stone layer, 42-gravel layer, 43-geotextile, 44-horizon line, 5-slag-piling body and 6-reinforced concrete cover plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Examples

Referring to fig. 1 to 6, a channel type refuse dump retaining facility, comprising: the device comprises a blocking structure 1, a greening pool 2, a water chute 3 and a blind ditch 4;

the retaining structure 1 is arranged at the toe of a waste slag body 5, the water chute 2 is fixedly arranged on a wall toe step of the retaining structure 1, the 3 greening pool is arranged beside the 2, the middle section of the greening pool is communicated to the blind ditch 4, so that water in the water chute 2 can smoothly flow into the blind ditch, the blind ditch 4 is arranged at the bottom of the waste slag body 5, penetrates through the lower part of the retaining structure 1, extends outwards for no less than 2 meters, and is drained to a downstream channel of the retaining structure 1, so that the root base of the retaining structure 1 is prevented from being corroded by running water;

the drain pipe 11 arranged in a shape like a Chinese character pin is fixedly arranged in the retaining structure 1 and is communicated with the back slope 12 and the surface slope 13 of the retaining structure 1, the wall toe step of the retaining structure 1 is provided with a water guide groove 142 and is communicated to the greening pool 3 through the drain hole, so that the water flow in the drain pipe 11 is guided to the greening pool 3, and the overflow of the four parts of the water flow is avoided;

the blind ditch 4 is trapezoidal, the bottom of the blind ditch is a rock block layer 41, the top of the blind ditch is a gravel layer 42, and geotextile 43 is laid in the gravel layer 42;

the geotextile 43 extends outwardly along the horizon 44 by a distance of no less than 0.3 m;

the drain pipes 11 are arranged in the retaining structure 1 in a shape like a Chinese character 'pin', PVC drain pipes with the pipe diameter of 110 mmare adopted, the interval distance is 1.5 m-2 m, and the inlet of each drain pipe 11 is wrapped by geotextile to wrap broken stones for reverse filtration;

the blind ditch 4 penetrates out of the retaining structure 1 in a mode of adding a reinforced concrete cover plate 6 to a culvert, and a C25 reinforced concrete cover plate 6 is laid on the culvert and has the thickness of 60-80 mm;

the inlet of the drain pipe 11 is wrapped by a broken stone reverse filter bag 14 made of geotextile, so that sundries are prevented from entering the drain pipe 11;

the distance between the drain holes of the water chute 2 is 1.5-2 m;

the greening pool 3 is of a concrete structure, the thickness of the pool wall and the pool bottom is 20cm, a broken stone cushion layer is arranged at the bottom, the thickness of the cushion layer is 20cm, the bottom of the greening pool is flush with the bottom of the water guide groove, the height of the greening pool is 40cm, and the greening pool is covered with soil to plant shrub and grass vegetation with shallow root systems.

In summary, in the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a slag yard blocking facility is abandoned to channel type which characterized in that includes: a blocking structure, a greening pool, a water chute and a blind ditch;

the interior of the retaining structure is fixedly provided with a drain pipe which is communicated with the back slope and the surface slope of the retaining structure, and the side wall of the greening pool is provided with a drain hole which penetrates through the interior and the exterior of the greening pool.

2. The channel type waste slag yard blocking facility according to claim 1, wherein said blind ditch is trapezoidal, the bottom is a rock block layer, the top is a gravel layer, and geotextile is laid in the gravel layer.

3. The channel type spoil site retaining facility of claim 2 wherein the french drain geotextile extends outwardly along the horizon a distance of no less than 0.3 m.

4. The channel-type spoil site retaining facility of claim 3, wherein the portion of the blind trench that extends out of the retaining structure is in the form of a culvert covered with a reinforced concrete cover plate, the reinforced concrete cover plate being disposed above the culvert.

5. The channel type spoil site barrage facility of claim 1 wherein the drain pipes are arranged in a "dog" configuration.

6. The channel type spoil site retaining facility of claim 5, wherein the drain inlet is constructed by wrapping crushed stone with geotextile to form a reverse filter bag.

7. The channel type spoil area blocking facility of claim 1, wherein the greening pool is of a concrete structure, a gravel cushion is arranged at the bottom of the greening pool, and the bottom of the greening pool is flush with the bottom of the water chute.