Mine dam side slope surface protecting wall

Abstract

The utility model provides a mine dam side slope surface protecting wall which is characterized in that an inverted filter layer is paved on a mine dam slope surface, and mortar rubbles are paved above the inverted filter layer; an inverted filter groove is formed in the position, corresponding to the water seepage area, of the slope face of the mine dam, the inverted filter groove is filled with inverted filter materials, and a drainage pipe outwards penetrating through an inverted filter layer and the mortar rubbles is arranged in the inverted filter groove. The drainage groove is formed in the slope toe of the mine dam and extends to the collecting groove along the slope toe of the mine dam. An inverted filter groove is formed in the water seepage area, seepage water in the dam body is collected and then discharged, and therefore it is guaranteed that the seepage water is efficiently guided and discharged, and seepage pressure accumulation in a slope is reduced; the drainage pipe is arranged in the dam body, the drainage capacity of seepage water is improved through the drainage pipe, and therefore the seepage pressure in the dam body is reduced, a new seepage channel is prevented from being formed, and the stability of the dam body is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of mine dam slope protection, and particularly relates to a mine dam slope facing wall. BACKGROUND

[0002] In the process of mineral resources exploitation, the stability of the mine dam slope directly affects production safety and ecological environment, and the existing facing wall structure often appears water seepage, and with the continuous development of the water seepage channel, the slope body is prone to cause geological disasters such as landslides and collapses. The traditional structure generally adopts grouting and other forms to block the water seepage area, and the water seepage water is limited in the way, and with the passage of time, the internal seepage pressure is continuously improved, and the dam body still has the hidden danger of collapse.

[0003] Therefore, it is necessary to provide an improved technical scheme for the above-mentioned prior art. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of mine dam slope facing walls, which is to overcome the deficiencies in the prior art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of mine dam slope facing wall, comprising:

[0007] Filter layer, the filter layer is laid on mine dam slope, and grout paving stone is laid above the filter layer;

[0008] Filter groove, the filter groove is provided in the filter groove in the filter groove, and the filter groove is provided with drainage pipe that is outward through the filter layer and grout paving stone;

[0009] Drainage groove, the drainage groove is set to the slope foot of mine dam, and the drainage groove extends to collection groove along the slope foot of mine dam.

[0010] Preferably, the filter groove is provided with filter grid, the filter grid is groove structure that is matched with the shape of filter groove, and extends to the filter layer of mine dam slope.

[0011] Preferably, the filter material includes gravel layer and block stone layer, and the gravel layer is arranged in the filter grid and close to one side of the filter layer.

[0012] Preferably, the elevation of one end of the drainage pipe inserted into the filter groove is lower than the elevation of water seepage line, and the one end of the drainage pipe protruding from grout paving stone extends downwardly.

[0013] Preferably, the drainage groove is provided with support structure corresponding to the filter layer and grout paving stone on the side close to mine dam.

[0014] Preferably, the support structure is piled blocks.

[0015] Preferably, a plurality of drain pipes extending to the seepage area of the dam are arranged at the inverted filter tank, and the outer wall of the drain pipe is provided with drain holes.

[0016] Preferably, the drain pipe extends divergently away from one end of the inverted filter tank.

[0017] Beneficial effects: The inverted filter tank is arranged at the seepage area, the internal seepage water of the dam is collected and discharged, so as to ensure efficient drainage of the seepage water and reduce the accumulation of seepage pressure in the slope; the drain pipe is arranged in the dam, the drainage capacity of the seepage water is increased by the drain pipe, so as to reduce the seepage pressure in the dam and avoid the formation of new seepage channels, thereby improving the stability of the dam. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings constituting a part of the specification of the application are used to provide further understanding of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application. Among them:

[0019] Fig. 1 The structure diagram of the facing wall in the specific embodiment provided by the present application;

[0020] Fig. 2 The structure diagram of the inverted filter grid in the specific embodiment provided by the present application.

[0021] In the figure: 1, dam; 2, filter layer; 3, mortar jointed flagstone; 4, inverted filter grid; 5, block stone layer; 6, gravel layer; 7, drain pipe; 8, support structure; 9, drainage tank; 10, drain pipe. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

[0023] In the description of this utility model, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," and "bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and do not require that this utility model be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this utility model. The terms "connected" and "linked" used in this utility model should be interpreted broadly. For example, they can refer to a fixed connection or a detachable connection; they can refer to a direct connection or an indirect connection through intermediate components. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0024] The present invention will now be described in detail with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described herein can be combined with each other.

[0025] like Figs. 1-2 As shown, a mine dam slope protection wall includes a filter layer 2, filter channels, and drainage channels 9. The mine dam 1 is used to protect tailings and prevent seepage water from the tailings from polluting the environment. The filter layer 2 is laid on the slope of the mine dam 1. The filter layer 2 is made of crushed stone with a particle size of 10mm-20mm and a thickness of 5-20cm. Mortar-grouted rubble masonry 3 is laid on top of the filter layer 2, constructed with M7.5 cement mortar. Filter channels are provided on the slope of the mine dam 1 corresponding to the seepage areas. The shape of the filter channels is adapted to the seepage areas, or the filter channels are... With a constant volume, multiple reverse filter tanks are set in the seepage area to facilitate the drainage of seepage water. The reverse filter tanks are filled with reverse filter material, which filters the seepage water before discharge, preventing collapse caused by soil erosion. The reverse filter tanks are equipped with drainage pipes 7 that pass outward through the reverse filter layer 2 and the masonry rubble 3. The drainage pipes 7 are Φ100 PVC pipes. Drainage troughs 9 are set at the toe of the slope of the mine dam 1 and extend along the toe of the slope of the mine dam 1 to the collection trough, thereby collecting the seepage water from the mine pile and purifying the seepage water to prevent it from polluting the environment.

[0026] In an optional embodiment, a filter grid 4 is provided inside the filter tank. The filter grid 4 can be a grid structure welded from steel bars. Its shape is a trough structure adapted to the filter tank, so that it can be placed inside the filter tank to ensure the stability of the filter tank. Furthermore, each side wall of the filter grid 4 extends towards the slope of the mine dam 1 to the filter layer 2. Furthermore, multiple anchoring bars extending into the mine dam 1 are provided on the filter grid 4 to improve the stability of the filter grid 4.

[0027] The inside of the inverted filter tank is filled with the inverted filter material, so that the corresponding position of the inverted filter tank is in the same plane with the slope surface of the mine dam 1, the inverted filter material comprises a gravel layer 6 and a block stone layer 5, the particle size of the gravel of the gravel layer 6 is 10mm-20mm, the particle size of the block stone of the block stone layer 5 is 30mm-100mm, the gravel layer 6 is arranged inside the inverted filter grid 4 and close to one side of the inverted filter layer 2, so as to be integrated with the inverted filter layer 2, the thickness of the gravel layer 6 is 20-30cm, and the remaining part is filled with the block stone, so as to form the inverted filter structure and filter the seepage water.

[0028] In an optional embodiment, the drainage pipe 7 extends into the inverted filter tank at a position with a height lower than the height of the seepage line, the drainage pipe 7 extends downwardly and outwardly from one end of the mortar joint block stone 3, the slope of the drainage pipe 7 is 10%, so that the drainage purpose of the seepage water can be met.

[0029] In an optional embodiment, the drainage tank 9 is provided with a support structure 8 corresponding to the inverted filter layer 2 and the mortar joint block stone 3 on the side close to the mine dam 1, so as to ensure the stability of the inverted filter layer 2 and the mortar joint block stone 3, and further, the support structure 8 is the seepage layer and can be the block stone, so as to ensure that the seepage water seeping downwardly through the inverted filter layer 2 can be drained downwardly and discharged to the set water collecting tank through the drainage tank 9.

[0030] Further, in order to improve the drainage capacity, a plurality of drainage pipes 10 extending to the seepage area of the mine dam 1 are arranged at the inverted filter tank, one end of the drainage pipe 10 corresponding to the inverted filter tank is inclined downwardly, the outer wall of the drainage pipe 10 is provided with drainage holes, the length of the drainage pipe 10 is designed according to the detected seepage range, the angle is 10-15 degrees, the outer wall of the drainage pipe 10 is wrapped with geotextile, so as to filter the seepage water, the drainage pipe 10 further improves the smoothness of the seepage, and the end of the drainage pipe 10 far from the inverted filter tank is divergently extended, so as to improve the seepage range of the drainage pipe 10 and ensure the seepage capacity.

[0031] In an optional embodiment, the cross section of the inverted filter tank is triangular, square or bowl-shaped, and preferably triangular, so as to facilitate the processing of the inverted filter grid, the side length of the inverted filter tank is 0.8m-5m, the specific number, spacing and size are selected according to the actual seepage area, and the number of the drainage pipes corresponding to the inverted filter tank is also selected according to the size of the inverted filter tank.

[0032] The above only describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application is within the protection scope of the pending right claim of the present application.

Claims

1. A mine dam slope facing wall, characterized by, The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure.

2. The mine dam slope facing wall according to claim 1, wherein, The application relates to a mine dam slope water seepage prevention structure.

3. The mine dam slope facing wall of claim 2, wherein, The application relates to a mine dam slope water seepage prevention structure.

4. The mine dam slope facing wall of claim 1, wherein, The application relates to a mine dam slope water seepage prevention structure.

5. The mine dam slope facing wall of claim 1, wherein, The application relates to a mine dam slope water seepage prevention structure.

6. The mine dam slope facing wall of claim 5, wherein, The application relates to a mine dam slope water seepage prevention structure.

7. The mine dam slope facing wall of claim 1, wherein, The application relates to a mine dam slope water seepage prevention structure.

8. The mine dam slope facing wall of claim 7, wherein, The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to a mine dam slope water seepage prevention structure. The application relates to

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