CN217176703U - Drainage structures is drawn to tunnel pilot tunnel excavation infiltration point - Google Patents

Abstract

The utility model discloses a tunnel pilot tunnel excavation infiltration point draws drainage structures, including tunnel ground, the structure that absorbs water, the structure that draws water, drainage structures and tunnel wall, drainage structures sets up the both sides on tunnel ground, draw water structure fixed connection in the both sides of tunnel wall, the infiltration point at tunnel wall is established to the structure that absorbs water, the structure that draws water is connected to the upper end of structure that draws water, the drainage structures is connected to the lower extreme of the structure that draws water, plastics drain bar is laid in infiltration department to by the fixed joint of connecting pipe, lay one deck sealed cloth again, and grout fixed formation tunnel wall, the structure that draws water mainly comprises suction pump and drinking-water pipe, the work of suction pump makes the absorbent water of plastics drain bar taken out. The utility model discloses in, the plastics drain bar that infiltration department laid has good hydroscopicity, and the suction pump can make the absorbent water of plastics drain bar be taken out and drain away, has played the effect of the drainage of initiatively drawing water and has laid simply, has saved manpower and materials.

Description

Drainage structures is drawn to tunnel pilot tunnel excavation infiltration point

Technical Field

The utility model relates to a tunnel construction field especially relates to a drainage structures is drawn to tunnel pilot tunnel excavation infiltration point.

Background

Under the background of an era that current traffic systems are developed increasingly, tunnels are often required to be opened in order to save manpower, material resources and financial resources, under the increasing development of tunnel opening technologies, water seepage conditions of the tunnels are gradually found to be strictly treated, most of existing tunnel water seepage treatment modes are mainly water diversion, and water drainage is assisted.

The prior patent (CN109611149A) discloses a tunnel passes through contains fault drainage structure and construction method gushing water, including tunnel excavation profile layer, drainage structure, lining layer have set gradually in the tunnel excavation profile layer, the both ends of lining layer inboard are provided with water drainage tank respectively, drainage structure has two rows and every drainage structure includes many drainage tubes, the highest one end in drainage tube position is less than the peak on lining layer and the other end extends to water drainage tank along lining layer lower extreme, it has the strainer to be provided with infiltration hole and the outer parcel of drainage tube on the drainage tube. It sets up the drainage tube between tunnel excavation profile layer and lining layer, utilizes the drainage tube to lead the infiltration to drain away in the water drainage tank, and the drainage is effectual. The highest one end in drainage tube position is less than the peak of lining layer and makes and leave the clearance between two rows of drainage structures, and is provided with the infiltration hole on the drainage tube, effectual improvement drainage efficiency and effect. The drainage tube is wrapped by the water filter net, so that the drainage tube is effectively prevented from being blocked.

The utility model has the defects that the method for treating the seepage water still adopts passive drainage and drainage, the construction is inconvenient, and the drainage and drainage efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a tunnel pilot tunnel excavation water seepage point drainage structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a tunnel pilot tunnel excavation infiltration point draws drainage structures, includes tunnel ground, absorbs water the structure, draws water structure, drainage structures and tunnel wall, drainage structures sets up the both sides on tunnel ground, draw water structure fixed connection in the both sides of tunnel wall, it establishes the infiltration point at the tunnel wall to absorb water the structure, the upper end of the structure of drawing water is connected and is absorbed water the structure, the lower extreme connection drainage structures of the structure of drawing water.

As a further description of the above technical solution: the water absorption structure comprises plastic drainage plates, connecting pipes and pipelines, wherein the connecting pipes are clamped between the plastic drainage plates and laid in the water seepage positions outside the tunnel wall, and the connecting pipes are close to one end of the tunnel wall and fixedly connected with the pipelines.

As a further description of the above technical solution: and one side of the plastic drainage plate, which is close to the tunnel wall, is paved with a layer of sealing cloth.

As a further description of the above technical solution: the structure of drawing water includes drinking-water pipe, motor and suction pump, the upper end and the pipeline fixed connection of drinking-water pipe, the lower extreme fixedly connected with suction pump of drinking-water pipe, the output fixed connection suction pump of motor.

As a further description of the above technical solution: the water pumping pipes are fixedly connected to the two sides of the tunnel wall through fixing rings.

As a further description of the above technical solution: the drainage structure comprises drainage grooves and a fixing cover, the drainage grooves are formed in two sides of the ground of the tunnel, and the fixing cover is fixed to the upper end of each drainage groove.

As a further description of the above technical solution: the motor fixed connection is covered fixedly, cover fixedly and be equipped with the outlet, just the outlet leads to in the water drainage tank, the upper end fixed connection suction pump in outlet.

The utility model discloses following beneficial effect has:

1. the utility model discloses an in, the water absorption structure comprises plastics drain bar, connecting pipe and sealed cloth, and the plastics drain bar has good hydroscopicity, and the sealed cloth of laying in the outside of tunnel wall has played certain prevention of seepage water effect again, has played the effect of first step prevention of seepage water, and simple structure, and work load is few, very big manpower and materials of having saved.

2. The utility model discloses an in, the structure of drawing water with the structural connection that absorbs water mainly comprises suction pump and drinking-water pipe, drinking-water pipe and the structure fixed connection that absorbs water, the suction pump during operation, the drinking-water pipe, connecting pipe and plastics absorb water the pipe and be in the negative pressure state, under the effect of atmospheric pressure, plastics absorb water the pipe absorbent water directly taken out, and directly discharge into water drainage tank through the outlet, this structural design still possesses the effect of the drainage of drawing water voluntarily simultaneously on the basis of first prevention of seepage water, for passive drainage diversion, have better prevention of seepage water effect.

Drawings

FIG. 1 is an axonometric view of a drainage structure of a tunnel pilot tunnel excavation water seepage point provided by the utility model;

fig. 2 is a front sectional view of a water seepage point drainage structure for tunnel pilot tunnel excavation provided by the utility model;

figure 3 is the utility model provides a tunnel pilot tunnel excavation infiltration point draws drainage structures's water absorption structure axonometric drawing

Fig. 4 is the utility model provides a tunnel pilot tunnel excavation infiltration point draws drainage structures's fixed ring axonometric drawing.

Illustration of the drawings:

1. a tunnel ground; 2. a water absorbing structure; 201. a plastic drain board; 202. a connecting pipe; 203. a pipeline; 204. sealing cloth; 3. a water pumping structure; 301. a motor; 302. a water pump; 303. a water pumping pipe; 304. A fixing ring; 4. a drainage structure; 401. a water discharge tank; 402. a fixed cover; 403. a water outlet; 5. a tunnel wall.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. 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 the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. 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. 1-4, the present invention provides an embodiment: the utility model provides a tunnel pilot tunnel excavation infiltration point draws drainage structures, includes tunnel ground 1, water-absorbing structure 2, draws water structure 3, drainage structures 4 and tunnel wall 5, and drainage structures 4 sets up in tunnel ground 1's both sides, draws water structure 3 fixed connection in tunnel wall 5's both sides, and water-absorbing structure 2 establishes the infiltration point at tunnel wall 5, and water-absorbing structure 2 is connected to the upper end of drawing water structure 3, and water-absorbing structure 4 is connected to the lower extreme of drawing water structure 3.

The water absorption structure 2 comprises a plastic water drainage plate 201, a connecting pipe 202, a pipeline 203 and a sealing cloth 204, a connecting pipe 202 is fixedly clamped between the plastic water drainage plate 201 and is laid at the water seepage position outside the tunnel wall 5, the connecting pipe 202 is close to the one end fixedly connected with pipeline 203 of the tunnel wall 5, one layer of sealing cloth 204 is laid on one side of the plastic water drainage plate 201 close to the tunnel wall 5, the plastic water drainage plate 201 has good water absorption performance, the sealing cloth 204 laid outside the tunnel wall 5 plays a certain water seepage prevention effect again, the first water seepage prevention effect is played, the structure is simple, the workload is low, and manpower and material resources are greatly saved.

The water pumping structure 3 comprises a motor 301, a water pump 302, a water pumping pipe 303 and a fixing ring 304, the upper end of the water pumping pipe 303 is fixedly connected with the pipeline 203, the lower end of the water pumping pipe 303 is fixedly connected with the water pump 302, the output end of the motor 301 is fixedly connected with the water pump 302, the water pumping pipe 303 is fixedly connected with two sides of the tunnel wall 5 through the fixing ring 304, the water draining structure 4 comprises a water draining groove 401 and a fixing cover 402, two sides of the tunnel ground 1 are provided with water draining grooves 401, the upper end of the water draining groove 401 is fixedly provided with the fixing cover 402, the motor 301 is fixedly connected with the fixing cover 402, the fixing cover 402 is provided with a water draining port 403, the water draining port 403 is communicated into the water draining groove 401, the upper end of the water draining port 403 is fixedly connected with the water pump 302, when the water pump 302 works, the water pumping pipe 303, the connecting pipe 202 and the plastic water draining plate 201 are in a negative pressure state, water adsorbed by the plastic draining plate 201 is directly pumped out under the action of atmospheric pressure, and directly discharged into the drainage channel 401 through the drainage port 403, the structural design has the function of active water pumping and drainage on the basis of the first step of water seepage prevention, and has better water seepage prevention effect compared with passive drainage.

The working principle is as follows: directly laying a plastic drainage plate 201 at a water seepage position of a tunnel, fixedly clamping the plastic drainage plate by a connecting pipe 202, laying a layer of sealing cloth 204, grouting and fixing tunnel walls 5, respectively digging a drainage groove 401 at two sides of the tunnel ground 1, sequentially covering the upper end of the drainage groove 401 with a fixing cover 402, arranging a drainage port 403 on the fixing cover 402 at a corresponding position of the laid plastic drainage plate 201, fixing a motor 301 and a water pump 302 on the fixing cover 402, connecting the lower end of the water pump 302 with the drainage port 403, fixing a water pumping pipe 303 on the tunnel walls 5 by a fixing ring 304, hermetically connecting the upper end of the water pumping pipe 303 with a pipeline 203 on the connecting pipe 202, hermetically connecting the lower end of the water pumping pipe 303 with the upper end of the water pump 302, opening the motor 301 to enable the water pump 302 to work, and absorbing water relative to the water seepage point sealed in the tunnel by the plastic drainage plate 201 under the action of atmospheric pressure, and is discharged to the drainage tank 401 through the water pumping pipe 303 and the drainage port 403, so that the active water suction and drainage function is realized.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (7)

1. The utility model provides a tunnel pilot tunnel excavation infiltration point draws drainage structures, includes tunnel ground (1), water-absorbing structure (2), structure (3), drainage structures (4) and tunnel wall (5), its characterized in that: drainage structures (4) set up in the both sides of tunnel ground (1), the both sides at tunnel wall (5) of structure (3) fixed connection that draws water, the infiltration point at tunnel wall (5) is established in structure (2) that absorbs water, the upper end of structure (3) that draws water is connected and is drawn water structure (2), drainage structures (4) are connected to the lower extreme of structure (3) that draws water.

2. The water seepage point drainage structure for the tunnel pilot tunnel excavation according to claim 1, characterized in that: the water absorption structure (2) comprises a plastic drainage plate (201), a connecting pipe (202) and a pipeline (203), wherein the plastic drainage plate (201) is fixedly clamped with the connecting pipe (202) and paved at the water seepage position outside the tunnel wall (5), and the connecting pipe (202) is close to the pipeline (203) fixedly connected with one end of the tunnel wall (5).

3. The water seepage point drainage structure for the tunnel pilot tunnel excavation according to claim 2, characterized in that: one side of the plastic drainage plate (201) close to the tunnel wall (5) is paved with a layer of sealing cloth (204).

4. The water seepage point drainage structure for the tunnel pilot tunnel excavation according to claim 2, characterized in that: draw water structure (3) including drinking-water pipe (303), motor (301) and suction pump (302), the upper end and pipeline (203) fixed connection of drinking-water pipe (303), the lower extreme fixedly connected with suction pump (302) of drinking-water pipe (303), output fixed connection suction pump (302) of motor (301).

5. The water seepage point drainage structure for the tunnel pilot tunnel excavation according to claim 4, characterized in that: the water pumping pipes (303) are fixedly connected to two sides of the tunnel wall (5) through fixing rings (304).

6. The water seepage point drainage structure for the tunnel pilot tunnel excavation according to claim 1, characterized in that: drainage structures (4) include water drainage tank (401) and fixed lid (402), water drainage tank (401) have been seted up to the both sides on tunnel ground (1), the upper end of water drainage tank (401) is fixed with fixed lid (402).

7. The water seepage point drainage structure for the tunnel guide tunnel excavation according to claim 4, characterized in that: motor (301) fixed connection is on fixed lid (402), be equipped with outlet (403) on fixed lid (402), just in outlet (403) lead to water drainage tank (401), the upper end fixed connection suction pump (302) of outlet (403).

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