CN216379666U

CN216379666U - Highway tunnel prevention of seepage passes through structure

Info

Publication number: CN216379666U
Application number: CN202122345240.3U
Authority: CN
Inventors: 叶德平; 朱瑾
Original assignee: Nanjing Pioneer Scientific Industry Co ltd
Current assignee: Nanjing Pioneer Scientific Industry Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-04-26
Anticipated expiration: 2031-09-27

Abstract

The utility model relates to the field of tunnels, in particular to a highway tunnel anti-seepage structure which comprises a tunnel main body, wherein an anti-seepage unit is fixedly connected inside the tunnel main body; when the crack appears in the tunnel main part, the infiltration needs to pass through prevention of seepage and penetrate the unit and get into the tunnel passageway again, through first waterproof isolation layer second waterproof blocking layer and the infiltration that third prevention water isolation layer provided multiple protection in order to block the rivers, when the crackle appears under the exogenic action, the infiltration gets into first waterproof isolation layer, clearance and shutoff layer contact between second waterproof blocking layer and the third prevention water isolation layer, the shutoff layer meets the water solidification and blocks up the crack, divide the shutoff layer into the multistage through first waterproofing membrane and second waterproof isolation layer, also can block up the peripheral infiltration of crack once more, with the whole prevention of seepage water effect that promotes tunnel main part, make tunnel main part's inside safer.

Description

Highway tunnel prevention of seepage passes through structure

Technical Field

The utility model relates to the field of tunnels, in particular to an anti-seepage structure of a highway tunnel.

Background

In the tunnel, in order to ensure that the tunnel operation does not cause disasters caused by water leakage and water accumulation, which affect the use function and the waterproof measures taken for corroding equipment, a comprehensive treatment method combining interception, blockage and drainage is generally adopted, a mountain tunnel is usually mainly drained, a submarine tunnel is usually mainly blocked, and the concrete waterproof technology comprises the following steps: cutting, namely cutting off a water source flowing to a tunnel by arranging a water cutting ditch and a drainage ditch at a cave entrance or leading surface water out and blocking, arranging a waterproof layer in the tunnel, manufacturing a shield tunnel segment by adopting waterproof concrete, arranging 1-2 rubber sealing rings, caulking grooves, bolt waterproof gaskets and the like at seams to prevent water blockage and leakage, grouting after the back of the lining, filling and closely arranging cavities of the lining, arranging a drainage ditch pipe in the tunnel, and discharging water out of the cavity by utilizing the gradient of the tunnel; the water-bottom tunnel of the falling slope can be provided with a water collecting pit at the lowest part of the tunnel, and then water is pumped out of the tunnel step by using a multistage centrifugal pump.

When the tunnel is used, cracks are easily formed due to the influence of geological activity and the pressure of surrounding strata, a plurality of waterproof structures are usually arranged in the tunnel, but accumulated water is often easily burst through the cracks to break the waterproof layers in the use of the tunnel, so that the tunnel leaks water, and therefore the highway tunnel anti-seepage structure is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-seepage structure for a road tunnel, which solves the problems in the prior art.

In order to achieve the purpose, the anti-seepage structure of the highway tunnel comprises a tunnel main body, wherein an anti-seepage unit is fixedly connected inside the tunnel main body;

the prevention of seepage unit includes that first waterproof isolation layer, second are waterproof to block layer, third water proof isolation layer, first waterproofing membrane, second waterproof interlayer and blocking layer constitute, first waterproof isolation layer, second waterproof block layer and third water proof isolation layer by interior and outside fixed connection is in the inside of tunnel main part in proper order, it has first waterproofing membrane to bond in the clearance between first waterproof isolation layer and the waterproof blocking layer of second, fixedly connected with second waterproof interlayer in the clearance between second waterproof blocking layer and the third water proof isolation layer, the both sides of first waterproofing membrane and second waterproof interlayer have all been filled with the blocking layer.

Preferably: first waterproof isolation layer, second waterproof block layer and third waterproof isolation layer are concrete retaining wall, first waterproof isolation layer, second waterproof block layer and third waterproof isolation layer comprise waterproof concrete.

The supporting structure is more stable.

Preferably: the equal fixedly connected with seamless steel pipe in inside of first waterproof isolation layer, the waterproof layer of blocking of second and third prevention water isolation layer, the outer wall of first waterproof isolation layer, the waterproof layer of blocking of second and third prevention water isolation layer all is not equipped with the hole.

The water seepage prevention effect of the whole structure is promoted.

Preferably: the shape of first waterproofing membrane and second waterproofing interlayer all is similar to a plurality of snakelike semicircle sections, the equal seamless bonding in top of semicircle section blocks the outer wall on layer and third waterproof isolation layer at first waterproof isolation layer, the waterproof layer of blocking of second.

So that a plurality of closed spaces can be formed inside the first waterproof coiled material and the second waterproof interlayer to accommodate the plugging layer.

Preferably: the outer wall of first waterproof isolation layer and the inner wall of third water proof isolation layer have still been brushed waterproof coating, reinforcing bar and bolt in first waterproof isolation layer, the waterproof layer of blocking of second and the third water proof isolation layer are made by rust-resistant metal.

The structure of the tunnel is more stable.

Preferably: semicircular sections in first waterproofing membrane and the waterproof interlayer of second are interval dislocation distribution under similar height, the shutoff layer sets up the inside at every semicircular section.

Make the shutoff layer that the multistage distributes can be better satisfy the crack shutoff that appears between first waterproof isolation layer, the waterproof layer of blocking of second and the third water proof isolation layer.

Preferably: the second waterproof interlayer is composed of a cement pouring layer and a water-resistant layer, and the water-resistant layer is arranged between the two cement pouring layers.

Further improving the water seepage prevention strength of the structure.

Preferably: the water-resistant layer is a wave-shaped steel wire mesh filled waterproof resin structure, or the water-resistant layer is a wave-shaped steel plate structure.

The waterproof effect of the structure is better.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, when a crack occurs in the tunnel main body, seepage water needs to enter the tunnel channel through the anti-seepage unit, multiple protection is provided through the second waterproof blocking layer and the third waterproof blocking layer of the first waterproof blocking layer to block the seepage of water flow, when the crack occurs under the action of external force, seepage water enters the gap among the first waterproof blocking layer, the second waterproof blocking layer and the third waterproof blocking layer and is contacted with the blocking layer, the blocking layer is cured when meeting water to block the crack, the blocking layer is divided into multiple sections through the first waterproof coiled material and the second waterproof blocking layer, and the seepage water at the periphery of the crack can be blocked again, so that the integral anti-seepage effect of the tunnel main body is improved, the interior of the tunnel main body is safer, and meanwhile, the water blocking layer can also effectively prevent the seepage of water flow.

Drawings

FIG. 1 is a schematic view of an anti-seepage structure of a highway tunnel according to the present invention;

FIG. 2 is a schematic view of an anti-seepage unit of the anti-seepage structure of the highway tunnel of the utility model;

FIG. 3 is a schematic view showing that the first waterproof roll and the second waterproof interlayer are alternately distributed at the position A of the highway tunnel anti-seepage structure;

FIG. 4 is a schematic view of a second waterproof barrier structure of the present invention.

In the figure:

1. a tunnel body; 2. an anti-permeation unit; 3. a first waterproof isolation layer; 4. a second waterproof blocking layer; 5. a third water-proofing isolation layer; 6. a first waterproof roll; 7. a second waterproof barrier layer; 8. a blocking layer; 701. a cement pouring layer; 702. a water resistant layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, there is shown a road tunnel anti-seepage structure according to a preferred embodiment of the present invention, which includes a tunnel main body 1, and an anti-seepage unit 2 fixedly connected to the interior of the tunnel main body 1;

it includes first waterproof isolation layer 3 to state prevention of seepage unit 2, second waterproof blocking layer 4, third waterproof isolation layer 5, first waterproofing membrane 6, second waterproof isolation layer 7 and blocking layer 8 are constituteed, first waterproof isolation layer 3, second waterproof blocking layer 4 and third waterproof isolation layer 5 by interior and outside fixed connection is in the inside of tunnel main part 1 in proper order, it has first waterproofing membrane 6 to bond in the clearance between first waterproof isolation layer 3 and the waterproof blocking layer 4 of second, fixedly connected with second waterproof isolation layer 7 in the clearance between second waterproof blocking layer 4 and the waterproof isolation layer 5 of third, blocking layer 8 has all been filled to the both sides of first waterproofing membrane 6 and second waterproof isolation layer 7.

First waterproof isolation layer 3, the waterproof layer 4 that blocks of second and third water isolation layer 5 are concrete retaining wall, and first waterproof isolation layer 3, the waterproof layer 4 that blocks of second and third water isolation layer 5 constitute by waterproof concrete.

The equal fixedly connected with seamless steel pipe in first waterproof isolation layer 3, the waterproof layer of blocking of second 4 and third water proof isolation layer 5's inside, the outer wall of first waterproof isolation layer 3, the waterproof layer of blocking of second 4 and third water proof isolation layer 5 all is not equipped with the hole.

First waterproofing membrane 6 and second waterproofing interlayer 7's shape all is similar to a plurality of snakelike semicircle sections, and the equal seamless bonding in top of semicircle section blocks the outer wall on layer 4 and third waterproof isolation layer 5 at first waterproof isolation layer 3, the waterproof blocking of second.

The plugging layer 8 can be made of unset cement powder, single-liquid type aqueous polyurethane grouting liquid, water-absorbent resin and the like.

The outer wall of first waterproof isolation layer 3 and the inner wall of third water isolation layer 5 are still brushed with waterproof coating, and reinforcing bar and bolt in first waterproof isolation layer 3, the waterproof layer of blocking of second 4 and the third water isolation layer 5 are made by rust-resistant metal.

Semicircular sections in first waterproofing membrane 6 and the second waterproofing interlayer 7 are interval dislocation distribution under similar height, and blocking layer 8 sets up the inside at every semicircular section.

The second waterproof interlayer 7 consists of a cement pouring layer 701 and a water-resistant layer 702, wherein the water-resistant layer 702 is arranged between the two cement pouring layers 701

The water-resistant layer 702 is a wave-shaped steel wire mesh filled waterproof resin structure, or the water-resistant layer 702 is a wave-shaped steel plate structure.

The wavy steel wire mesh can also be formed by a plurality of wavy steel plates which are fixedly connected in the middle of the second waterproof interlayer 7.

In this embodiment, when the crack appears in tunnel subject 1, the infiltration needs to get into the tunnel passageway again through prevention of

seepage unit

2, 3 waterproof second of first waterproof isolation layer blocks layer 4 and the infiltration that provides multiple protection in order to block the rivers of third waterproof isolation layer 5, when the crack appears under the exogenic action, the infiltration gets into first waterproof isolation layer 3, the second waterproof clearance that blocks between layer 4 and the third waterproof isolation layer 5 contacts with blocking layer 8, blocking layer 8 meets the water solidification and blocks the crack, divide blocking layer 8 into the multistage through first waterproofing membrane 6 and second waterproof isolation layer 7, also can block the peripheral infiltration of crack department once more.

While the utility model has been described in further detail in connection with specific embodiments thereof, it will be understood that the utility model is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the utility model, which should be considered to be within the scope of the utility model as defined by the appended claims.

Claims

1. The anti-seepage structure of the highway tunnel comprises a tunnel main body (1), wherein an anti-seepage unit (2) is fixedly connected inside the tunnel main body (1);

the method is characterized in that: prevention of seepage unit (2) include that first waterproof isolation layer (3), second are waterproof to block layer (4), third water proof isolation layer (5), first waterproofing membrane (6), second waterproof isolation layer (7) and blocking layer (8) are constituteed, first waterproof isolation layer (3), second are waterproof to block layer (4) and third water proof isolation layer (5) by interior and outside fixed connection is in the inside of tunnel main part (1) in proper order, it has first waterproofing membrane (6) to bond in the clearance between first waterproof isolation layer (3) and second waterproof isolation layer (4), fixedly connected with second waterproof isolation layer (7) in the clearance between second waterproof isolation layer (4) and third water proof isolation layer (5), the both sides of first waterproofing membrane (6) and second waterproof isolation layer (7) all are filled with blocking layer (8).

2. The anti-seepage structure for road tunnels according to claim 1, characterized in that: first waterproof isolation layer (3), second waterproof block layer (4) and third waterproof isolation layer (5) are concrete retaining wall, first waterproof isolation layer (3), second waterproof block layer (4) and third waterproof isolation layer (5) constitute by waterproof concrete.

3. The anti-seepage structure for road tunnels according to claim 1, characterized in that: the equal fixedly connected with seamless steel pipe in inside of first waterproof isolation layer (3), the waterproof layer of blocking of second (4) and third water proof isolation layer (5), the outer wall of first waterproof isolation layer (3), the waterproof layer of blocking of second (4) and third water proof isolation layer (5) all is not equipped with the hole.

4. The anti-seepage structure for road tunnels according to claim 1, characterized in that: the shape of first waterproofing membrane (6) and second waterproofing interlayer (7) all is approximate to a plurality of snakelike semicircle sections, the equal seamless bonding in top of semicircle section blocks the outer wall on layer (4) and third waterproof isolation layer (5) at first waterproof isolation layer (3), second.

5. The anti-seepage structure for road tunnels according to claim 1, characterized in that: the outer wall of first waterproof isolation layer (3) and the inner wall of third water isolation layer (5) have still been brushed waterproof coating, reinforcing bar and bolt in first waterproof isolation layer (3), the waterproof layer of blocking of second (4) and third water isolation layer (5) are made by rust-resistant metal.

6. The anti-seepage structure for road tunnels according to claim 4, characterized in that: semicircle sections in first waterproofing membrane (6) and second waterproofing membrane (7) are interval dislocation distribution under close height, blocking layer (8) set up the inside at every semicircle section.

7. The anti-seepage structure for road tunnels according to claim 1, characterized in that: the second waterproof isolation layer (7) is composed of a cement pouring layer (701) and a water-resistant layer (702), and the water-resistant layer (702) is arranged between the two cement pouring layers (701).

8. The anti-seepage structure for road tunnels according to claim 7, characterized in that: the waterproof layer (702) is of a structure that a wavy steel wire mesh is filled with waterproof resin, or the waterproof layer (702) is of a wavy steel plate structure.