CN218624318U

CN218624318U - Tunnel is with trapezoidal vertical drainage blind pipe structure

Info

Publication number: CN218624318U
Application number: CN202222673113.0U
Authority: CN
Inventors: 邱志雄; 刘敏; 黄哲学; 曾鹏; 祝鑫; 李行利; 郝光
Original assignee: Guangdong Provincial Freeway Co ltd; China Railway 11th Bureau Group Co Ltd; Fourth Engineering Co Ltd of China Railway 11th Bureau Group Co Ltd
Current assignee: Guangdong Provincial Freeway Co ltd; China Railway 11th Bureau Group Co Ltd; Fourth Engineering Co Ltd of China Railway 11th Bureau Group Co Ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-03-14
Anticipated expiration: 2032-10-11

Abstract

The utility model discloses a belong to tunnel engineering construction technical field, specifically be a tunnel is with trapezoidal vertical drainage blind pipe structure, it includes: the drainage pipe is of a trapezoidal structure, the drainage pipe is arranged between the primary support and the secondary lining, a water permeable middle partition wall is arranged in the middle of the interior of the drainage pipe, the lower part of one side wall of the exterior of the drainage pipe is connected with a transverse drainage pipe, the upper parts of the water permeable middle partition wall and the drainage pipe on the water permeable middle partition wall are both provided with holes, and the lower part of the drainage pipe on the water permeable middle partition wall is provided with a sealing structure; the pipe of permeating water, for the rectangle structure, the pipe setting of permeating water is in the inside of drain pipe, and the pipe setting of permeating water is in the below of well next door that permeates water, the cross-section coincidence of the cross-section of the pipe of permeating water and drain pipe. This trapezoidal vertical drainage blind pipe structure for tunnel through the structure that changes the blind pipe, can promote the intensity of blind pipe, avoids the blind pipe to be flattened by the concrete, ensures vertical drainage blind pipe can with just prop up the closure, avoids the waterproof board to turn over and takes off the sky after wrapping, and is difficult to the jam condition to appear when the drainage.

Description

Tunnel is with trapezoidal vertical drainage blind pipe structure

Technical Field

The utility model relates to a tunnel engineering construction technical field specifically is a tunnel is with trapezoidal vertical drainage blind pipe structure.

Background

Tunnels are engineering structures buried in the ground and are a form of human use of underground space. The tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel and a military tunnel. The water prevention and drainage is a key link in the design and construction process of the tunnel, wherein the drainage is divided into hidden drainage and open drainage, and the hidden drainage refers to the hidden drainage of a water seepage blind pipe arranged at the back of the lining.

However, once the existing drainage blind pipe is blocked, flattened and the like, fissure water is blocked behind the lining, and then larger lining water pressure is caused, so that the structure generates water leakage, the lining structure can be damaged seriously, and the drainage blind pipe cannot be closely attached to the primary support, so that the waterproof plate is easy to be emptied after being reversely wrapped.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tunnel is with trapezoidal vertical drainage blind pipe structure, aim at solving current drainage blind pipe in case the circumstances such as jam, flatten, the crack water is just blocked up behind the lining, and then arouses great lining cutting water pressure, leads to the structure to produce the percolating water, can destroy the technical problem of lining cutting structure when serious.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

a trapezoidal longitudinal drainage blind pipe structure for a tunnel comprises:

the drainage pipe is of a trapezoidal structure, the drainage pipe is arranged between the primary support and the secondary lining, a water permeable middle partition wall is arranged in the middle of the interior of the drainage pipe, the lower part of one side wall of the exterior of the drainage pipe is connected with a transverse drainage pipe, the upper parts of the water permeable middle partition wall and the drainage pipe on the water permeable middle partition wall are both provided with holes, and the lower part of the drainage pipe on the water permeable middle partition wall is provided with a sealing structure;

the water permeable pipe is of a rectangular structure, is arranged inside the water drainage pipe and is arranged below the water permeable middle partition wall, and the cross section of the water permeable pipe is superposed with the cross section of the water drainage pipe;

one end of the annular blind pipe penetrates through the upper part inside the drainage pipe.

As a preferred scheme of trapezoidal vertical drainage blind pipe structure for tunnel, wherein: and a non-woven fabric layer is arranged outside the annular blind pipe and is made of non-woven fabrics.

As a preferred scheme of trapezoidal vertical drainage blind pipe structure for tunnel, wherein: and mounting belts are lapped at the joints of the top end and the bottom end of the drain pipe and the tunnel wall, and the length of the mounting belts lapped on the drain pipe is more than or equal to 10cm.

As a preferred scheme of trapezoidal vertical drainage blind pipe structure for tunnel, wherein: the top of drain pipe and the arch wall overlap joint in tunnel, the bottom of drain pipe and the inverted arch overlap joint in tunnel.

As a preferred scheme of trapezoidal vertical drainage blind pipe structure for tunnel, wherein: and the lap joints of the top end and the bottom end of the drain pipe and the mounting belt are provided with single-face self-adhesive waterproof rolls.

As a preferred scheme of trapezoidal vertical drainage blind pipe structure for tunnel, wherein: the top and the bottom of drain pipe all are connected with the tunnel wall through fixed steel nail.

As a tunnel with trapezoidal vertical drainage blind pipe structure preferred scheme, wherein: the drain pipe and the permeable pipe are both made of HDPE materials.

As a tunnel with trapezoidal vertical drainage blind pipe structure preferred scheme, wherein: two included angles of one side, close to the tunnel wall, of the drain pipe are acute angles, and two included angles of one side, far away from the tunnel wall, of the drain pipe are obtuse angles.

The beneficial effects of the utility model are as follows: underground water and fissure water are led into the upper part of the drain pipe through holes arranged on the annular blind pipe and the upper part of the drain pipe, water mixed with impurities enters the lower part of the drain pipe after part of impurities are removed through the water permeable middle partition plate, the water mixed with impurities is filtered backwards through the water permeable pipe on the lower part of the drain pipe, the water permeable pipe discharges clean water, and the transverse drain pipe discharges the water mixed with impurities left after the water mixed with impurities is filtered backwards;

this trapezoidal vertical drainage blind pipe structure for tunnel through the structure that changes the blind pipe, can promote the intensity of blind pipe, avoids the blind pipe to be flattened by the concrete, ensures vertical drainage blind pipe can with just prop up the closure, avoids the waterproof board to turn over and takes off the sky after wrapping, and is difficult to the jam condition to appear when the drainage.

Drawings

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

FIG. 1 is a view of a trapezoidal vertical drainage blind pipe structure

Fig. 2 is a schematic view of a trapezoidal drain.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Drain pipe	110	Permeable middle partition wall
120	Transverse drain pipe	200	Water permeable pipe
				300	Annular blind pipe	310	Non-woven fabric layer
400	Fixed steel nail	500	Mounting band

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a trapezoidal longitudinal drainage blind pipe structure for tunnel, which can improve the strength of the blind pipe by changing the structure of the blind pipe, avoid the blind pipe from being flattened by concrete, ensure the close contact between the longitudinal drainage blind pipe and a primary support, avoid the water-proof plate from being empty after being wrapped reversely, and is not easy to block during drainage;

referring to figures 1-2 of the drawings,

the drainage pipe 100 is of a trapezoidal structure, the drainage pipe 100 is arranged between a primary support and a secondary lining, a water permeable middle partition wall 110 is embedded and connected in the middle of the interior of the drainage pipe 100, a transverse drainage pipe 120 is connected to the lower portion of one side wall of the exterior of the drainage pipe 100, openings are formed in the upper portions, located on the water permeable middle partition wall 110, of the water permeable middle partition wall 110 and the drainage pipe 100, and the lower portion, located on the water permeable middle partition wall 110, of the drainage pipe 100 is provided with a sealing structure;

the permeable pipe 200 is of a rectangular structure, the permeable pipe 200 is arranged inside the drain pipe 100, the permeable pipe 200 is arranged below the permeable middle partition 110, and the cross section of the permeable pipe 200 is overlapped with the cross section of the drain pipe 100;

a circular blind pipe 300 having one end penetrating to an upper portion of the inside of the drain pipe 100;

the drainage pipe 100 is used for providing a place for drainage, the permeable middle partition wall 110 is used for separating the upper part and the lower part of the drainage pipe 100 and enabling water flow to permeate to the lower part of the drainage pipe 100, the transverse drainage pipe 120 is used for discharging water flow mixed with impurities at the lower part of the drainage pipe 100, the opening is used for enabling groundwater and fissure water to flow into the drainage pipe 100, the permeable pipe 200 is used for discharging inverted clean water flow, and the annular blind pipe 300 is used for discharging water flow into the drainage pipe 100;

when specific use, through the trompil that hoop blind pipe 300 and drain pipe 100 upper portion set up, leading-in groundwater and crevice water to drain pipe 100 upper portion, the rivers that mix impurity enter into the lower part of drain pipe 100 after partly impurity is got rid of to the median septum that permeates water, after the rivers back-filtration that will mix impurity through the pipe 200 that permeates water of drain pipe 100 lower part, permeate water pipe 200 and discharge clean rivers, horizontal drain pipe 120 will back-filter the remaining rivers that mix impurity and discharge.

Referring to fig. 1-2 again, a non-woven fabric layer 310 is bonded to the outside of the circumferential blind pipe 300, the non-woven fabric layer 310 is made of non-woven fabric, and the non-woven fabric layer 310 is used for wrapping the circumferential blind pipe 300 to provide a sealing function.

Referring to fig. 1-2 again, the joints between the top ends and the bottom ends of the drainage pipes 100 and the tunnel wall are overlapped by the installation belts 500, and the length of the drainage pipe 100 overlapped by the installation belts 500 is greater than or equal to 10cm, and the installation belts 500 are used for sealing the joints between the drainage pipes 100 and the tunnel wall, so as to provide better sealing performance.

Referring again to fig. 1-2, the top end of the drainage pipe 100 overlaps the arch wall of the tunnel, and the bottom end of the drainage pipe 100 overlaps the inverted arch of the tunnel.

Referring to fig. 1-2 again, the joints between the top end and the bottom end of the drainage pipe 100 and the mounting belt 500 are provided with single-sided self-adhesive waterproofing rolls, and the single-sided self-adhesive waterproofing rolls are used for adhering to the joints between the drainage pipe 100 and the mounting belt 500 and providing waterproofing function to prevent water from passing through.

Referring to fig. 1-2 again, the top end and the bottom end of the drain pipe 100 are connected to the tunnel wall by fixing steel nails 400, and the fixing steel nails 400 are used to fix the drain pipe 100 to the tunnel wall by steel nails.

Referring again to fig. 1-2, the drain pipe 100 and the permeable pipe 200 are made of HDPE.

Referring to fig. 1-2 again, two included angles of the drainage pipes 100 close to the tunnel wall are acute angles, and two included angles of the drainage pipes far away from the tunnel wall are obtuse angles.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a tunnel is with trapezoidal vertical drainage blind pipe structure which characterized in that includes:

the drainage pipe (100) is of a trapezoidal structure, the drainage pipe (100) is arranged between the primary support and the secondary lining, a water permeable middle partition wall (110) is installed in the middle of the interior of the drainage pipe (100), the lower portion of one side wall of the exterior of the drainage pipe (100) is connected with a transverse drainage pipe (120), openings are formed in the upper portions, located on the water permeable middle partition wall (110), of the water permeable middle partition wall (110) and the drainage pipe (100), the lower portion, located on the water permeable middle partition wall (110), of the drainage pipe (100) is provided with a sealing structure;

the water permeable pipe (200) is of a rectangular structure, the water permeable pipe (200) is arranged inside the water discharge pipe (100), the water permeable pipe (200) is arranged below the water permeable middle partition wall (110), and the cross section of the water permeable pipe (200) is superposed with the cross section of the water discharge pipe (100);

one end of the annular blind pipe (300) penetrates through the upper part of the inside of the drainage pipe (100).

2. The trapezoidal longitudinal drainage blind pipe structure for the tunnel according to claim 1, wherein: the outside of the circumferential blind pipe (300) is provided with a non-woven fabric layer (310), and the non-woven fabric layer (310) is made of non-woven fabrics.

3. The trapezoidal longitudinal drainage blind pipe structure for the tunnel according to claim 1, wherein: the connecting parts of the top end and the bottom end of the drainage pipe (100) and the tunnel wall are overlapped with mounting belts (500), and the length of the overlapping mounting belts (500) of the drainage pipe (100) is more than or equal to 10cm.

4. The ladder-shaped longitudinal drainage blind pipe structure for the tunnel according to claim 3, wherein: the top end of the drainage pipe (100) is in lap joint with an arch wall of the tunnel, and the bottom end of the drainage pipe (100) is in lap joint with an inverted arch of the tunnel.

5. The trapezoidal longitudinal drainage blind pipe structure for the tunnel according to claim 3, wherein: and a single-face self-adhesive waterproof roll is arranged at the lap joint of the top end and the bottom end of the drain pipe (100) and the mounting belt (500).

6. The trapezoidal longitudinal drainage blind pipe structure for the tunnel according to claim 1, wherein: the top end and the bottom end of the drain pipe (100) are connected with a tunnel wall through fixing steel nails (400).

7. The ladder-shaped longitudinal drainage blind pipe structure for the tunnel according to claim 1, wherein: the drain pipe (100) and the permeable pipe (200) are both made of HDPE materials.

8. The trapezoidal longitudinal drainage blind pipe structure for the tunnel according to claim 1, wherein: two included angles of the drain pipe (100) close to one side of the tunnel wall are acute angles, and two included angles of the drain pipe far away from one side of the tunnel wall are obtuse angles.