CN217204059U - A integral structure that is used for segmentation anchor and drainage of strip mine side slope - Google Patents

Abstract

An integrated structure for subsection anchoring and drainage of strip mine side slopes relates to the technical field of strip mine safety. The utility model relates to a solve current strip mine side slope when anchor and drainage operation, need repeated drilling on the side slope, whole operation process is more loaded down with trivial details and the construction volume is big. The utility model comprises an inlet section, a multi-section drainage section, a multi-section middle anchoring section, a tail anchoring section and a plurality of aqueducts, wherein the drainage section and the middle anchoring section are sequentially and alternately arranged between the inlet section and the tail anchoring section, the periphery of each middle anchoring section is uniformly provided with a plurality of aqueducts, and two ends of each aqueduct are respectively inserted on two adjacent drainage sections; the drainage section and the middle anchoring section are fixedly connected through a connecting flange, and the inner diameters of the separation pipe and the grouting pipe A are the same and are communicated; two ends of each water guide pipe are respectively inserted into the drainage cavities of the two adjacent drainage sections. The utility model discloses the anchor and the drainage of mainly used strip mine side slope.

Description

A integral structure that is used for segmentation anchor and drainage of strip mine side slope

Technical Field

The utility model relates to a strip mine safety technical field especially relates to an integral structure that is used for segmentation anchor and drainage of strip mine slope.

Background

The rainfall is an important factor causing the instability of the side slope, mainly because the rainfall penetrates into the rock mass from the earth surface to further increase the pore water pressure which is very unfavorable for the stability of the side slope, and on the other hand, the physical and mechanical properties of the rock mass after the rock mass is soaked are changed, the strength is reduced, namely, the hydration phenomenon occurs, and the rock mass is easy to destabilize. In the process of protecting the strip mine slope, the rock-soil body near the sliding surface or the fracture surface and the unfavorable structural surface needs to be respectively subjected to drainage and anchoring treatment so as to avoid or reduce the geological problems or diseases such as slippage, falling, dumping, chipping and the like of the rock-soil body. In the existing treatment method, usually, an oblique drainage hole is drilled on a rock-soil body to be reinforced for draining water in the rock body, a hole is repeatedly drilled on a side slope, a support anchor rod is inserted, and concrete is poured into the hole to achieve the purpose of reinforcement, so that the whole operation process is complicated, and the construction amount is large. Therefore, an integrated structure which can realize the drainage function and can play the anchoring role is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that needs to solve is: when the existing strip mine side slope is anchored and drained, drilling is repeatedly carried out on the side slope so as to achieve the purposes of anchoring and draining, the whole operation process is relatively complicated, and the construction amount is large; and further provides an integrated structure for subsection anchoring and drainage of the strip mine slope.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:

a segmented anchoring and drainage integrated structure for an open-pit mine slope comprises an inlet section, a plurality of drainage sections, a plurality of middle anchoring sections, a tail anchoring section and a plurality of water guide pipes, wherein the drainage sections and the middle anchoring sections are sequentially and alternately arranged and arranged between the inlet section and the tail anchoring section; each section of drainage section comprises two connecting flanges A, a drainage pipe and a separation pipe; the two connecting flanges A are respectively sleeved on the end parts of the two ends of the separating pipe, a plurality of water inlet holes are uniformly formed in the circumferential direction of the drain pipe, the drain pipe is coaxially sleeved outside the separating pipe, the two ends of the drain pipe are respectively and fixedly connected to the two connecting flanges A, and a drain cavity is formed among the drain pipe, the separating pipe and the two connecting flanges A; each middle anchoring section comprises two connecting flanges B and a grouting pipe A, a plurality of grout discharging holes A are uniformly formed in the circumferential direction of the grouting pipe A, and the two connecting flanges B are respectively sleeved on the end parts of the two ends of the grouting pipe A; the drainage section and the middle anchoring section are fixedly connected through a connecting flange A, a connecting flange B and a plurality of bolts which are coaxially arranged, and the inner diameters of the separation pipe and the grouting pipe A are the same and are communicated; two ends of each water guide pipe respectively penetrate through the connecting flange B on the middle anchoring section and the connecting flange A on the drainage section in sequence and are inserted into the drainage cavities of the two adjacent drainage sections; the outer diameters of the connecting flange A and the connecting flange B are the same as the inner diameters of the oblique anchoring holes.

Compared with the prior art, the utility model the beneficial effect who produces is:

1. the utility model discloses insert the integrated structure of anchor and drainage in the inclined anchor hole of inclining upward that drills in advance to pour into the slurry of certain concentration into to intraductal through the entrance, the slurry enters into the inclined anchor hole of inclining upward from multi-section middle anchor section and tail section anchor section, plays the effect of anchor after the slurry solidifies, because multi-section middle anchor section interval evenly sets up, therefore holistic anchor effect will be better than only the tail end anchor, the front end carries out the self-anchoring drainage structures of drainage;

2. because the connecting flange is arranged between the drainage section and the middle anchoring section, the outer diameter of the connecting flange is equal to the inner diameter of the inclined anchoring hole, the connecting flange not only plays a role in connecting the anchoring section and the drainage section, but also serves as a grout stop baffle of the drainage section and the middle anchoring section, and can prevent grout injected into the middle anchoring section from flowing into the drainage section from the middle anchoring section or flowing out of the inclined anchoring hole;

3. water in the side slope enters the drainage cavity through the drainage pipe on the drainage section, then flows into the flow guide pipe from the drainage cavity, finally discharges the side slope of the strip mine, and plays a role in drainage.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is a schematic view of the structure of the drainage section;

FIG. 4 is a schematic structural view of a connecting flange A, a connecting flange B or a connecting flange C;

fig. 5 is a state diagram of the utility model inserted into the open pit slope.

In the figure: 1-an inlet section; 1-1-attachment flange C; 1-2-water inlet pipe; 2-a drainage section; 2-1-attachment flange a; 2-2-a drain pipe; 2-2-1-water inlet; 2-3-a separator tube; 2-4-a drainage cavity; 3-a middle anchoring section; 3-1-connecting flange B; 3-2-grouting pipe A; 3-2-1-slurry discharge hole A; 4-tail section anchoring section; 4-1-attachment flange D; 4-2-grouting pipe B; 4-2-1-slurry discharge hole B; 5-water guide pipe.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solution in the embodiments, and the following embodiments are used to illustrate the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, an embodiment of the present application provides an integrated structure for segmental anchoring and drainage of an open pit slope, which includes a segment of inlet section 1, a plurality of segments of drainage sections 2, a plurality of segments of middle anchoring sections 3, a tail anchoring section 4 and a plurality of water conduits 5, wherein the drainage sections 2 and the middle anchoring sections 3 are sequentially and alternately arranged and arranged between the inlet section 1 and the tail anchoring section 4, a plurality of water conduits 5 are uniformly arranged in the peripheral direction of each segment of middle anchoring section 3, and two ends of each water conduit 5 are respectively inserted into two adjacent segments of drainage sections 2;

each section of the drainage section 2 comprises two connecting flanges A2-1, a drainage pipe 2-2 and a separation pipe 2-3; the two connecting flanges A2-1 are respectively sleeved on the end parts of two ends of the separating pipe 2-3, a plurality of water inlet holes 2-2-1 are uniformly formed in the circumferential direction of the water discharge pipe 2-2, the water discharge pipe 2-2 is coaxially sleeved outside the separating pipe 2-3, two ends of the water discharge pipe 2-2 are respectively and fixedly connected to the two connecting flanges A2-1, and a water discharge cavity 2-4 is formed among the water discharge pipe 2-2, the separating pipe 2-3 and the two connecting flanges A2-1;

each middle anchoring section 3 comprises two connecting flanges B3-1 and a grouting pipe A3-2, a plurality of grouting holes A3-2-1 are uniformly formed in the circumferential direction of the grouting pipe A3-2, and the two connecting flanges B3-1 are respectively sleeved on the end parts of two ends of the grouting pipe A3-2; the drainage section 2 and the middle anchoring section 3 are fixedly connected through a connecting flange A2-1, a connecting flange B3-1 and a plurality of bolts which are coaxially arranged, and the inner diameter of the separation pipe 2-3 is the same as that of the grouting pipe A3-2 and is communicated with the separation pipe;

two ends of each water guide pipe 5 respectively penetrate through a connecting flange B3-1 on the middle anchoring section 3 and a connecting flange A2-1 on the drainage section 2 in sequence and are inserted into drainage cavities 2-4 of two adjacent drainage sections 2;

the outer diameters of the connecting flange A2-1 and the connecting flange B3-1 are the same as the inner diameter of the oblique anchoring hole 6.

In the embodiment, the water inlet pipe 1-2 in the inlet section 1, the separating pipe 2-3 in the drainage section 2, the grouting pipe A3-2 in the middle anchoring section 3 and the grouting pipe B4-2 in the tail anchoring section 4 together form a grouting pipe for slope anchoring, slurry with a certain concentration, generally cement mortar, is injected into the grouting pipe, and enters the inclined anchoring hole through the multiple sections of the middle anchoring section 3 and the tail anchoring section 4, because the separating pipe 2-3 is arranged on the drainage section 2, the slurry cannot enter the drainage cavity 2-4 of the drainage section 2, and under the action of the connecting flange a2-1, the connecting flange B3-1, the connecting flange C1-1 and the connecting flange D4-1, the slurry in the middle anchoring section 3 and the tail anchoring section 4 cannot enter the drainage section 2, thus not affecting the drainage function of the drainage section 2;

in the embodiment, the multi-section drainage sections 2 are communicated under the action of a plurality of water guide pipes 5 to jointly form a drainage system of the strip mine side slope, water in the surface layer of the strip mine side slope enters the drainage cavity 2-4 through the drainage pipe 2-2 in the drainage section 2 and then enters the water guide pipes 5 through the drainage cavity 2-4, and finally is discharged out of the strip mine side slope;

in the embodiment, the middle anchoring section 3 and the drainage section 2 form an integral structure, so that the anchoring effect and the drainage effect are achieved.

In this embodiment, because each section adopts flange to connect, therefore the concrete length of each section can be adjusted according to the actual environment who uses the stratum, guarantees that tail section anchor section 4 is located the stable stratum under the side slope slip surface, adapts to different operating modes, strong adaptability.

In a possible embodiment, the inlet section 1 comprises a connecting flange C1-1 and a water inlet pipe 1-2, the connecting flange C1-1 is sleeved at one end of the water inlet pipe 1-2, and the inlet section 1 and the first section drainage section 2 are fixedly connected through the connecting flange C1-1, the connecting flange A2-1 and a plurality of bolts; a plurality of water guide pipes 5 are uniformly arranged on the periphery of the inlet section 1, and one ends of the plurality of water guide pipes 5 sequentially penetrate through a connecting flange C1-1 on the inlet section 1 and a connecting flange A2-1 on the first section drainage section 2 and are inserted into a drainage cavity 2-4 of the first section drainage section 2.

In this embodiment, the inlet section 1 is used for connecting a grouting channel, and grouting is performed in a grouting pipe anchored to the side slope through the inlet section 1.

In a possible embodiment, the tail anchoring section 4 comprises a connecting flange D4-1 and a grouting pipe B4-2, a plurality of grouting holes B4-2-1 are circumferentially formed in the grouting pipe B4-2, the connecting flange D4-1 is sleeved on one end of the grouting pipe B4-2, and the tail anchoring section 4 and the tail draining section 2 are fixedly connected through the connecting flange D4-1, the connecting flange A2-1 and a plurality of bolts; the connecting flange D4-1 has the same inner diameter as the inclined anchoring hole 6.

In this embodiment, the length of the grouting pipe B4-2 is longer than that of the grouting pipe A3-2, so that when grouting into the oblique anchoring hole 6, more grout can be injected into the bottom of the oblique anchoring hole 6, so that the anchoring effect of the open-pit slope is better, and the tail anchoring section 4 is located in a stable stratum of the open-pit slope.

In a possible embodiment, the connecting flange A2-1, the connecting flange B3-1 and the connecting flange C1-1 are identical in structure and comprise a central through hole, a plurality of through holes and a plurality of bolt through holes which are radially arranged from inside to outside.

In the embodiment, the water guide pipe 5 is communicated with a drainage cavity in the drainage section 2 through holes on a connecting flange A2-1, a connecting flange B3-1 and a connecting flange C1-1; and two adjacent connecting flanges are connected through bolt through holes and bolts.

In a possible embodiment, the connecting flange D4-1 includes a central through hole and a plurality of bolt through holes radially arranged from inside to outside.

In this embodiment, no through hole is provided on the connecting flange D4-1, so as to prevent the slurry in the tail section anchoring section 4 from entering the tail section drainage section 2.

In a possible embodiment, the drainage segment 2 is wrapped with a geotextile.

In this embodiment, the outer parcel of drainage section 2 have one deck geotechnological cloth, can prevent that soil or rubble granule in the tilting anchor hole from entering into the drainage section, plug up whole drainage cavity, can't be better play drainage effect.

The present invention is described herein with reference to particular embodiments, but it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that various dependent claims and the features described herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.

Claims (6)

1. The utility model provides an integral structure that is used for segmentation anchor and drainage of strip mine side slope which characterized in that: the drainage device comprises an inlet section (1), a plurality of drainage sections (2), a plurality of middle anchoring sections (3), a tail anchoring section (4) and a plurality of water guide pipes (5), wherein the drainage sections (2) and the middle anchoring sections (3) are sequentially and alternately arranged and arranged between the inlet section (1) and the tail anchoring section (4), the periphery of each middle anchoring section (3) is uniformly provided with the plurality of water guide pipes (5), and two ends of each water guide pipe (5) are respectively inserted into two adjacent drainage sections (2);

each drainage section (2) comprises two connecting flanges A (2-1), a drainage pipe (2-2) and a separation pipe (2-3); the two connecting flanges A (2-1) are respectively sleeved on the end parts of the two ends of the separating pipe (2-3), a plurality of water inlet holes (2-2-1) are uniformly formed in the circumferential direction of the drain pipe (2-2), the drain pipe (2-2) is coaxially sleeved outside the separating pipe (2-3), the two ends of the drain pipe (2-2) are respectively and fixedly connected to the two connecting flanges A (2-1), and a drain cavity (2-4) is formed between the drain pipe (2-2), the separating pipe (2-3) and the two connecting flanges A (2-1);

each middle anchoring section (3) comprises two connecting flanges B (3-1) and a grouting pipe A (3-2), a plurality of grout discharging holes A (3-2-1) are uniformly formed in the circumferential direction of the grouting pipe A (3-2), and the two connecting flanges B (3-1) are respectively sleeved on the end parts of the two ends of the grouting pipe A (3-2); the drainage section (2) and the middle anchoring section (3) are fixedly connected through a connecting flange A (2-1), a connecting flange B (3-1) and a plurality of bolts which are coaxially arranged, and the inner diameters of the separation pipe (2-3) and the grouting pipe A (3-2) are the same and are communicated;

two ends of each water guide pipe (5) respectively penetrate through a connecting flange B (3-1) on the middle anchoring section (3) and a connecting flange A (2-1) on the drainage section (2) in sequence and are inserted into drainage cavities (2-4) of two adjacent drainage sections (2);

the outer diameters of the connecting flange A (2-1) and the connecting flange B (3-1) are the same as the inner diameter of the oblique anchoring hole (6).

2. The integrated structure for segmental anchoring and drainage of a strip mine slope according to claim 1, wherein: the inlet section (1) comprises a connecting flange C (1-1) and a water inlet pipe (1-2), the connecting flange C (1-1) is sleeved at one end of the water inlet pipe (1-2), and the inlet section (1) and the first section drainage section (2) are fixedly connected through the connecting flange C (1-1), the connecting flange A (2-1) and a plurality of bolts; a plurality of water guide pipes (5) are uniformly arranged on the periphery of the inlet section (1), and one ends of the water guide pipes (5) sequentially penetrate through a connecting flange C (1-1) on the inlet section (1) and a connecting flange A (2-1) on the first-section water drainage section (2) and are inserted into a water drainage cavity (2-4) of the first-section water drainage section (2).

3. The integrated structure for segmental anchoring and drainage of a strip mine slope according to claim 2, wherein: the tail section anchoring section (4) comprises a connecting flange D (4-1) and a grouting pipe B (4-2), a plurality of grouting holes B (4-2-1) are formed in the grouting pipe B (4-2) in the circumferential direction, the connecting flange D (4-1) is sleeved on one end of the grouting pipe B (4-2), and the tail section anchoring section (4) and the tail section water discharging section (2) are fixedly connected through the connecting flange D (4-1), the connecting flange A (2-1) and a plurality of bolts; the connecting flange D (4-1) and the inclined anchoring hole (6) have the same inner diameter.

4. The integrated structure for segmental anchoring and drainage of a strip mine slope according to claim 3, wherein: the connecting flange A (2-1), the connecting flange B (3-1) and the connecting flange C (1-1) are identical in structure and comprise a central through hole, a plurality of through holes and a plurality of bolt through holes, wherein the central through hole, the plurality of through holes and the plurality of bolt through holes are radially arranged from inside to outside.

5. The integrated structure for segmental anchoring and drainage of a strip mine slope according to claim 4, wherein: the connecting flange D (4-1) comprises a central through hole and a plurality of bolt through holes which are radially arranged from inside to outside.

6. The integrated structure for segmental anchoring and drainage of a strip mine slope according to claim 5, wherein: the drainage section (2) is wrapped with a layer of geotextile.

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