CN217354474U

CN217354474U - Tunnel drainage structures

Info

Publication number: CN217354474U
Application number: CN202221851603.9U
Authority: CN
Inventors: 李建杰; 刘文栋; 温新明; 邢李芳
Original assignee: Shanxi Water Conservancy Construction Engineering Bureau Group Co ltd
Current assignee: Shanxi Water Conservancy Construction Engineering Bureau Group Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-09-02
Anticipated expiration: 2032-07-19

Abstract

The utility model discloses a tunnel drainage structures belongs to tunnel technical field. The tunnel water draining blind pipe overcomes the defect that secondary water seepage easily occurs to a longitudinal water draining blind pipe in the prior art and the water draining effect of water seepage below the road surface in the tunnel is poor. The drainage device mainly comprises a plurality of annular drainage blind pipes arranged at intervals, wherein two ends of each annular drainage blind pipe are respectively connected with longitudinal drainage blind pipes at two sides, and the longitudinal drainage blind pipes are connected with a central drainage pipe through a plurality of transverse connecting pipes arranged at intervals; the drainage device is characterized by also comprising a plurality of transverse drainage blind pipes which are distributed at intervals, wherein the middle parts of the transverse drainage blind pipes are connected with a central drainage pipe through vertical connecting pipes, and one end of a water outlet of the central drainage pipe is connected with a reservoir; a plurality of vertical pipes are arranged at the bottom of the transverse drainage blind pipe at intervals, a waterproof arc section without a permeable hole is arranged at the lower side of the longitudinal drainage blind pipe, and the transverse connecting pipe is connected with the waterproof arc section of the longitudinal drainage blind pipe; the side ditch is characterized by further comprising side ditches at two sides, and a grid cover plate is arranged on the upper side of each side ditch.

Description

Tunnel drainage structures

Technical Field

The utility model belongs to the technical field of the tunnel, specifically speaking especially relates to a tunnel drainage structure.

Background

The water drainage of the tunnel is a drainage measure which is taken to ensure that the tunnel building cannot cause diseases due to water leakage, so that the driving safety is endangered, the equipment in the tunnel is corroded, and the service life of the structure is shortened. The drainage ability of present tunnel drainage structure to the infiltration below the road surface is less strong, and then the water that the annular drainage blind pipe was collected need be arranged earlier vertical drainage blind pipe in, and the vertical drainage blind pipe of rethread is carried to the side ditch or the center escape canal of both sides, and the secondary infiltration takes place easily in the vertical escape canal, is unfavorable for quick drainage and carries out the drainage to the infiltration below the road surface.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tunnel drainage structure to overcome among the prior art vertical drainage blind pipe take place secondary infiltration easily and to the poor defect of drainage effect of infiltration below the road surface in the tunnel.

The utility model adopts the following technical scheme to realize, a tunnel drainage structure, comprises a plurality of annular drainage blind pipes which are arranged at intervals, wherein two ends of the annular drainage blind pipes are respectively connected with longitudinal drainage blind pipes at two sides, and the longitudinal drainage blind pipes are connected with a central drainage pipe through a plurality of transverse connecting pipes which are arranged at intervals; the drainage device is characterized by also comprising a plurality of transverse drainage blind pipes which are distributed at intervals, wherein the middle parts of the transverse drainage blind pipes are connected with a central drainage pipe through vertical connecting pipes, and one end of a water outlet of the central drainage pipe is connected with a reservoir; a plurality of vertical pipes are installed at the bottom of the transverse drainage blind pipe at intervals, a watertight arc section without a permeable hole is arranged at the lower side of the longitudinal drainage blind pipe, and the transverse connecting pipe is connected with the watertight arc section of the longitudinal drainage blind pipe; the device also comprises side ditches at two sides, and a grid cover plate is arranged on the upper side of each side ditch.

Furthermore, the cistern is connected with a flushing pump, and the flushing pump is connected with one end of the central drain pipe far away from the water outlet through a water pipe.

Furthermore, one end of the longitudinal drainage blind pipe is provided with a slag collecting groove, and the flushing pump is connected with one end of the longitudinal drainage blind pipe, which is far away from the slag collecting groove, through a water pipe.

Further, a filter screen is arranged on the lower side of the vertical pipe.

Further, the height of the waterproof arc-shaped section is h, the outer diameter of the longitudinal drainage blind pipe is d, and the ratio of h to d is 1: 2.

compared with the prior art, the beneficial effects of the utility model are that:

1. compared with the current common tunnel drainage structure, the tunnel drainage structure effectively enhances the water seepage and drainage capacity below the road surface in the tunnel, in the area with rich water systems, by arranging a plurality of transverse drainage blind pipes which are distributed at intervals, the water seepage below the road surface penetrates into the transverse drainage blind pipes and further enters a central drainage pipe, and by installing a plurality of vertical pipes on the transverse drainage blind pipes, the vertical pipes can extend downwards for a certain length, so that the collection capacity of the transverse drainage blind pipes is further enhanced;

2. the utility model arranges the impervious arc section at the lower side of the vertical drainage blind pipe, the upper side of the vertical drainage pipe is a common blind pipe structure provided with water inlet holes, underground water entering from the circular drainage blind pipe and underground water permeating from the upper side of the vertical drainage blind pipe are mainly left in the impervious arc section of the vertical drainage blind pipe, so as to avoid secondary water seepage;

3. the utility model discloses change the condition that present vertical drainage blind pipe generally adopted blind pipe connection center drain pipe, change into waterproof water piping connection to carry out the row's infiltration below the road surface through horizontal drainage blind pipe, when reducing the emergence secondary infiltration condition, strengthened the collection ability of the infiltration below the road surface.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the vertical drainage blind pipe of the present invention.

In the figure: 1. a circular drainage blind pipe; 2. a longitudinal drainage blind pipe; 3. a transverse connecting pipe; 4. a central drain pipe; 5. a horizontal drainage blind pipe; 6. a vertical tube; 7. a water impermeable arc segment; 8. side ditches; 9. a grid cover plate; 10. vertical connecting pipe.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples.

A tunnel drainage structure comprises a plurality of annular drainage blind pipes 1 arranged at intervals, wherein two ends of each annular drainage blind pipe 1 are respectively connected with longitudinal drainage blind pipes 2 at two sides, and the longitudinal drainage blind pipes 2 are connected with a central drainage pipe 4 through a plurality of transverse connecting pipes 3 arranged at intervals; the drainage device is characterized by further comprising a plurality of transverse drainage blind pipes 5 which are distributed at intervals, wherein the middle parts of the transverse drainage blind pipes 5 are connected with a central drainage pipe 4 through a vertical connecting pipe 10, and one end of a water outlet of the central drainage pipe 4 is connected with a reservoir; a plurality of vertical pipes 6 are arranged at the bottom of the transverse drainage blind pipe 5 at intervals, a watertight arc section 7 without a permeable hole is arranged at the lower side of the longitudinal drainage blind pipe 2, and the transverse connecting pipe 3 is connected with the watertight arc section 7 of the longitudinal drainage blind pipe 2; the device also comprises side ditches 8 at two sides, and a grid cover plate 9 is arranged at the upper side of each side ditch 8.

The outer sides of the circumferential drainage blind pipe 1, the longitudinal drainage blind pipe 2 and the transverse drainage blind pipe 5 of the utility model are all provided with a geotextile layer, the circumferential drainage blind pipe 1 mainly collects groundwater seeping from the upper side of the tunnel, the longitudinal drainage blind pipe 2 and the transverse drainage blind pipe 5 mainly collect groundwater seeping from the lower part of the road surface in the tunnel, and the side ditches 8 on the two sides mainly collect rainwater above the road surface; the utility model separately sets the seepage water collection and the rainwater collection, avoids the intersection, and prevents the sundries on the road surface from blocking the seepage water drainage channel and influencing the collection of seepage water; in areas with rich water systems, by arranging a plurality of transverse drainage blind pipes 5 which are distributed at intervals, underground water below the pavement in the tunnel penetrates into the transverse drainage blind pipes 5 and further enters the central drainage pipe 4 through the vertical connecting pipe 10, and by arranging a plurality of vertical pipes 6 on the transverse drainage blind pipes 5, the vertical pipes 6 can extend downwards for a certain length, so that the collecting capacity of the transverse drainage blind pipes 5 is further enhanced; the lower side of the longitudinal drainage blind pipe 2 is provided with a waterproof arc-shaped section 7, the upper side of the longitudinal drainage pipe is of a common blind pipe structure provided with a water inlet hole, underground water entering from the annular drainage blind pipe 1 and underground water permeating from the upper side of the longitudinal drainage blind pipe 2 are mainly remained in the waterproof arc-shaped section 7 of the longitudinal drainage blind pipe 2, secondary water seepage is avoided, and meanwhile, the transverse connecting pipe 3 is connected with the waterproof arc-shaped section 7 of the longitudinal drainage blind pipe 2; the vertical position of the central drain pipe 4 is respectively arranged at the lower sides of the transverse drain blind pipe 5 and the longitudinal drain blind pipe 2, so that the transverse connecting pipe 3 is obliquely arranged towards the central drain pipe 4, and the flow velocity of the underground water in the transverse connecting pipe 3 is increased; the transverse connecting pipe 3 and the central water discharging pipe 4 are water pipes without water permeable holes; the distance between two adjacent cross connecting pipes 3 is 10 to 15 meters.

The cistern is connected with a flushing pump, and the flushing pump is connected with one end of the central drain pipe 4 far away from the water outlet through a water pipe.

The utility model discloses a set up the flush pump, people can open the flush pump at a certain time, and the flush pump area is big rivers erodees central drain pipe 4, makes in the debris in the central drain pipe 4 stay the cistern, the cistern is seted up in the tunnel outside, and the cistern can play the effect of depositing water.

And one end of the longitudinal drainage blind pipe 2 is provided with a slag collecting groove, and the flushing pump is connected with one end of the longitudinal drainage blind pipe 2, which is far away from the slag collecting groove, through a water pipe.

The both ends of vertical drainage blind pipe 2 all stretch out the tunnel certain length, through erodeing, can make in the vertical drainage blind pipe 2 debris partly enter into the collection cinder notch and erode transverse connection pipe 3, the collection cinder notch can be the cement groove that sets up outside the tunnel, and the cement groove is connected to the one end of vertical drainage blind pipe 2.

And a filter screen is arranged on the lower side of the vertical pipe 6.

And a filter screen is arranged on the lower side of the grating cover plate 9.

The height of the waterproof arc-shaped section 7 is h, the outer diameter of the longitudinal drainage blind pipe 2 is d, and the ratio of h to d is 1: 2.

as shown in fig. 2, the height of the watertight arc-shaped section 7 is h, and the outer diameter of the longitudinal drainage blind pipe 2 is d.

The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.

Claims

1. A tunnel drainage structures which characterized in that: the drainage device comprises a plurality of annular drainage blind pipes (1) arranged at intervals, wherein two ends of each annular drainage blind pipe (1) are respectively connected with longitudinal drainage blind pipes (2) at two sides, and the longitudinal drainage blind pipes (2) are connected with a central drainage pipe (4) through a plurality of transverse connecting pipes (3) arranged at intervals; the drainage device is characterized by further comprising a plurality of transverse drainage blind pipes (5) which are distributed at intervals, the middle parts of the transverse drainage blind pipes (5) are connected with a central drainage pipe (4) through vertical connecting pipes (10), and one end of a water outlet of the central drainage pipe (4) is connected with a reservoir; a plurality of vertical pipes (6) are installed at the bottom of the transverse drainage blind pipe (5) at intervals, a waterproof arc-shaped section (7) without a permeable hole is arranged at the lower side of the longitudinal drainage blind pipe (2), and the transverse connecting pipe (3) is connected with the waterproof arc-shaped section (7) of the longitudinal drainage blind pipe (2); the device also comprises side ditches (8) at two sides, and a grid cover plate (9) is arranged at the upper side of each side ditch (8).

2. The tunnel drainage structure of claim 1, wherein: the cistern is connected with a flushing pump, and the flushing pump is connected with one end of the central drain pipe (4) far away from the water outlet through a water pipe.

3. A tunnel drainage structure according to claim 2, wherein: one end of the longitudinal drainage blind pipe (2) is provided with a slag collecting groove, and the flushing pump is connected with one end of the longitudinal drainage blind pipe (2) far away from the slag collecting groove through a water pipe.

4. The tunnel drainage structure of claim 1, wherein: and a filter screen is arranged on the lower side of the vertical pipe (6).

5. The tunnel drainage structure of claim 1, wherein: the height of the waterproof arc-shaped section (7) is h, the outer diameter of the longitudinal drainage blind pipe (2) is d, and the ratio of h to d is 1: 2.