CN211692566U

CN211692566U - Anti-freezing tunnel

Info

Publication number: CN211692566U
Application number: CN201922428053.4U
Authority: CN
Inventors: 于恩亚; 郑盼盼; 邬毛志; 颜龙; 黄柏生; 张亚飞; 张雯嘉; 王媛
Original assignee: Hubei Jianke International Engineering Co ltd
Current assignee: Hubei Jianke International Engineering Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-16
Anticipated expiration: 2029-12-27

Abstract

The utility model relates to the field of tunnel construction, and provides an anti-freezing tunnel, which comprises a lining layer, a backfill layer and a water-resisting layer which are sequentially stacked from inside to outside; be equipped with tunnel road surface structure in the lining layer, tunnel road surface structure includes: a first drainage ditch, a second drainage ditch and a drainage ditch groove; the first drainage ditch and the second drainage ditch are respectively arranged on two sides of a tunnel pavement, the drainage ditch spans across and is arranged on the tunnel pavement, and the drainage ditch communicates the first drainage ditch with the second drainage ditch; wherein the horizontal height of the first drainage ditch is greater than the horizontal height of the second drainage ditch. The utility model discloses a lining layer, backfill layer and the water barrier of setting range upon range of in proper order from inside to outside in the tunnel set up tunnel road surface structure in the lining layer simultaneously for this tunnel can be in the contact of isolated open cut tunnel structure and water, and satisfy the drainage demand in different highway sections in tunnel, stopped the problem of tunnel ponding freeze injury.

Description

Anti-freezing tunnel

Technical Field

The utility model relates to a tunnel construction field, in particular to anti-freezing tunnel.

Background

Tunnels in cold areas are often damaged due to freezing, and are the tunnels with more problems in the existing built tunnels. In the cold section, water seepage and freezing of the tunnel are mutually cause and effect, so that the tunnel structure has a very serious freezing injury phenomenon for a long time, the using function of the tunnel is greatly reduced due to the defects of cracking, peeling, freezing and thawing and the like of the lining, and even more, the phenomena of whole scrapping of the main body structure of the tunnel, major traffic safety accidents during the operation of the main body structure of the tunnel and the like can occur.

Meanwhile, the drainage in the traditional tunnel usually adopts the longitudinal drainage ditch to drain, but because the drainage demands of different road sections of the tunnel are different, if only the longitudinal drainage ditch is adopted to drain, the accumulated water in the middle section of the tunnel pavement is difficult to drain, and the drainage demands of all road sections of the tunnel are difficult to meet.

SUMMERY OF THE UTILITY MODEL

In view of the technical defects and the application requirements, the application provides an anti-freezing tunnel, which aims to solve the problem of freezing damage of the tunnel and meet the drainage requirements of all road sections of the tunnel.

In order to solve the above problem, the utility model provides an anti-freezing tunnel, include: the lining layer, the backfill layer and the waterproof layer are sequentially stacked from inside to outside; be equipped with tunnel road surface structure in the lining layer, tunnel road surface structure includes: a first drainage ditch, a second drainage ditch and a drainage ditch groove; the first drainage ditch and the second drainage ditch are respectively arranged on two sides of a tunnel pavement, the drainage ditch spans across and is arranged on the tunnel pavement, and the drainage ditch communicates the first drainage ditch with the second drainage ditch; wherein the horizontal height of the first drainage ditch is greater than the horizontal height of the second drainage ditch.

Further, the lining layer is arranged in the backfill layer along an annular shape, and the waterproof layer is arranged outside the backfill layer in an inverted trapezoid shape.

Further, the water barrier layer includes: a first, a second and a third water barrier; the first end of the first water-resisting layer outside the backfill layer is arranged in a downward inclining mode, and the second end of the second water-resisting layer outside the backfill layer is arranged in a downward inclining mode; the third waterproof layer is horizontally arranged outside the backfill layer, and two ends of the third waterproof layer are respectively connected with the first waterproof layer and the second waterproof layer.

Further, the escape canal is by the embedding of U shaped steel board tunnel road surface forms, the first end of U shaped steel board with first ditch connection, the second end of U shaped steel board with the second escape canal is connected.

Further, the anti-freezing tunnel further comprises: a first cable trench and a second cable trench; the first cable trench with the second cable trench corresponds the setting and is in first ditch with one side of second escape canal.

Further, the anti-freezing tunnel further comprises: a plurality of drainage blind pipes and a third drainage ditch; the third drainage ditch is arranged at the bottom of the tunnel pavement, the drainage blind pipes are annularly arranged in the tunnel pavement, and the third drainage ditch collects the accumulated water on the tunnel pavement through the drainage blind pipes.

Further, the anti-freezing tunnel further comprises: a water conduit and a connecting pipe; the water guide pipe and the connecting pipe are arranged at the bottom of the tunnel pavement, and the first drainage ditch and the second drainage ditch are communicated with the water guide pipe through the connecting pipe.

Further, the connection pipe includes: a first connection pipe and a second connection pipe; the first drainage ditch is communicated with the water guide pipe through the first connecting pipe, and the second drainage ditch is communicated with the water guide pipe through the second connecting pipe.

Furthermore, the number of the drainage grooves is multiple, and the drainage grooves are sequentially arranged on the tunnel pavement side by side at intervals.

Further, the first water-resisting layer, the second water-resisting layer and the third water-resisting layer are clay water-resisting layers with the thickness of 40-60 cm.

The utility model provides a tunnel prevents frostbite through lining layer, backfill layer and the water barrier of stacking gradually the setting from inside to outside in the tunnel, sets up tunnel road surface structure in lining layer simultaneously for this tunnel can be in the contact of isolated open cut tunnel structure and water, and satisfies the drainage demand in different highway sections in tunnel, has stopped the problem of tunnel ponding freeze injury.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an anti-freeze tunnel provided by an embodiment of the present invention;

wherein, 1, a lining layer; 2. a backfill layer; 3. a water barrier layer; 4. a first drain ditch; 5. a second drain ditch; 6. a drainage gutter; 7. a first cable trench; 8. a second cable trench; 9. a third drainage ditch; 10. a water conduit; 11. and (4) connecting the pipes.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.

An embodiment of the utility model provides an anti-freezing tunnel, as shown in fig. 1, this anti-freezing tunnel includes: the lining layer 1, the backfill layer 2 and the waterproof layer 3 are sequentially stacked from inside to outside. Be equipped with tunnel road surface structure in the lining layer 1, tunnel road surface structure includes: a first drain ditch 4, a second drain ditch 5, and a drain ditch 6. The first drainage ditch 4 and the second drainage ditch 5 are respectively arranged at two sides of the tunnel pavement, the drainage ditch 6 spans and is arranged on the tunnel pavement, and the drainage ditch 6 communicates the first drainage ditch 4 with the second drainage ditch 5.

Wherein, 4 level in first escape canal are greater than the level in second escape canal 5 for tunnel surface ponding can effectively discharge. In this embodiment, in order to facilitate the drainage of accumulated water, the gradient of the tunnel pavement should be greater than 2%.

The lining layer 1 is arranged in the backfill layer 2 along the ring shape, and the waterproof layer 3 is arranged outside the backfill layer 2 in an inverted trapezoid shape. The water-resisting layer 3 can effectively prevent the ponding of backfill layer 2 and lining layer 1, adapts to high altitude area tunnel open cut tunnel and builds. The ponding at tunnel road surface both ends, accessible first escape canal 4 and the direct discharge of second escape canal 5. The ponding of tunnel road surface interlude can directly lead to in the second escape canal 5 through escape canal 6, makes this tunnel road surface structure draw the ponding of arranging tunnel road surface both sides and interlude simultaneously.

Wherein, the water barrier layer 3 includes: the water-resistant layer comprises a first water-resistant layer, a second water-resistant layer and a third water-resistant layer. The first end of the first water-resisting layer outside the backfill layer 2 is arranged in a downward inclining mode, and the second end of the second water-resisting layer outside the backfill layer 2 is arranged in a downward inclining mode; the third water-resisting layer is horizontally arranged outside the backfill layer 2, and two ends of the third water-resisting layer are respectively connected with the first water-resisting layer and the second water-resisting layer. The first water-resisting layer, the second water-resisting layer and the third water-resisting layer are clay water-resisting layers with the thickness of 40-60 cm.

It should be noted that, according to specific drainage requirements, the number of the drainage grooves 6 can be increased to be a plurality, and each drainage groove 6 is arranged on the tunnel pavement side by side at intervals in sequence.

The embodiment of the utility model provides a frostproofing tunnel through lining layer, backfill layer and the water barrier that stacks gradually the setting from inside to outside in the tunnel, sets up tunnel road surface structure in lining layer simultaneously for this tunnel can be in the contact of isolated open cut tunnel structure and water, and satisfy the drainage demand in different highway sections in tunnel, has stopped the problem of tunnel ponding freeze injury.

In an embodiment according to the present invention, as shown in fig. 1, the drainage channel 6 is formed by embedding a U-shaped steel plate into the tunnel pavement, a first end of the U-shaped steel plate is connected to the first drainage channel 4, and a second end of the U-shaped steel plate is connected to the second drainage channel 5.

Wherein, this tunnel prevents frostbite still includes: a first trench 7 and a second trench 8. The first cable trench 7 and the second cable trench 8 are correspondingly arranged on one side of the first drainage trench 4 and the second drainage trench 5. In this embodiment, the first cable trench 7 is provided beside the first drainage trench 4, and the second cable trench 8 is provided beside the second drainage trench 5.

Wherein, the tunnel of preventing frostbite still includes: a plurality of drainage culverts and a third drainage ditch 9. The drainage blind pipe is mainly made of synthetic fibers, plastics, synthetic rubber and the like serving as raw materials through different process methods and is used for collecting accumulated water at the bottom of the tunnel pavement. The third drainage ditch 9 is arranged at the bottom of the tunnel pavement, the drainage blind pipes are annularly arranged in the tunnel pavement, and the third drainage ditch 9 collects the accumulated water on the tunnel pavement through the drainage blind pipes.

Wherein, a water guide pipe 10 and a connecting pipe 11 can be additionally arranged. The water guide pipe 10 and the connecting pipe 11 are both arranged at the bottom of the tunnel pavement, and the first drainage ditch 4 and the second drainage ditch 5 are communicated with the water guide pipe 10 through the connecting pipe 11.

Wherein, connecting pipe 11 includes: a first connecting pipe and a second connecting pipe. The first drainage ditch 4 is communicated with the water guide pipe 10 through a first connecting pipe, and the second drainage ditch 5 is communicated with the water guide pipe 10 through a second connecting pipe.

In this embodiment, the water barrier 3 can effectively prevent the ponding of backfill layer 2 and lining layer 1, prevents the freeze injury, adapts to high altitude area tunnel open cut tunnel and builds. In the process of using the tunnel pavement structure to drain water, the accumulated water at the two ends of the tunnel pavement enters the first drainage ditch 4 and the second drainage ditch 5. The ponding of tunnel road surface interlude can directly be leading-in to second escape canal 5 through escape canal 6, and first escape canal 4 and second escape canal 5 pass through connecting pipe 11 entering aqueduct 10 again, finally get into the 9 direct discharges in third escape canal, and this tunnel road surface structure can draw the ponding of arranging tunnel road surface both sides and interlude simultaneously promptly. The accumulated water at the bottom of the tunnel pavement can be led into the water guide pipe 10 through the drainage blind pipe and finally enters the third drainage ditch 9 to be directly drained.

To sum up, the embodiment of the utility model provides a frostproofing tunnel through lining layer, backfill layer and the water barrier of stacking gradually the setting from inside to outside in the tunnel, sets up tunnel road surface structure in the lining layer simultaneously for this tunnel can be in the contact of isolated open cut tunnel structure with water, and satisfies the drainage demand in different highway sections in tunnel, has stopped the problem of tunnel ponding freeze injury. In addition, the difference and above-mentioned embodiment, the tunnel road surface structure that this embodiment provided not only can discharge tunnel road surface ponding, still can effectively discharge tunnel road surface bottom's ponding, has effectively simplified the holistic drainage structures in tunnel.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. An anti-freeze tunnel, comprising:

the lining layer, the backfill layer and the waterproof layer are sequentially stacked from inside to outside;

be equipped with tunnel road surface structure in the lining layer, tunnel road surface structure includes: a first drainage ditch, a second drainage ditch and a drainage ditch groove; the first drainage ditch and the second drainage ditch are respectively arranged on two sides of a tunnel pavement, the drainage ditch spans across and is arranged on the tunnel pavement, and the drainage ditch communicates the first drainage ditch with the second drainage ditch; wherein the horizontal height of the first drainage ditch is greater than the horizontal height of the second drainage ditch.

2. The antifreeze tunnel of claim 1, wherein the lining layer is annularly disposed within the backfill layer, and the water barrier layer is disposed outside the backfill layer in an inverted trapezoid shape.

3. The antifreeze tunnel of claim 2, wherein the water barrier comprises:

a first, a second and a third water barrier; the first end of the first water-resisting layer outside the backfill layer is arranged in a downward inclining mode, and the second end of the second water-resisting layer outside the backfill layer is arranged in a downward inclining mode; the third waterproof layer is horizontally arranged outside the backfill layer, and two ends of the third waterproof layer are respectively connected with the first waterproof layer and the second waterproof layer.

4. The freeze-protected tunnel of claim 3, wherein the drain channel is formed by a U-shaped steel plate embedded in the tunnel pavement, a first end of the U-shaped steel plate being connected to the first drain channel, and a second end of the U-shaped steel plate being connected to the second drain channel.

5. The freeze-protected tunnel of claim 1, further comprising:

a first cable trench and a second cable trench; the first cable trench with the second cable trench corresponds the setting and is in first ditch with one side of second escape canal.

6. The freeze-protected tunnel of claim 1, further comprising:

a plurality of drainage blind pipes and a third drainage ditch; the third drainage ditch is arranged at the bottom of the tunnel pavement, the drainage blind pipes are annularly arranged in the tunnel pavement, and the third drainage ditch collects the accumulated water on the tunnel pavement through the drainage blind pipes.

7. The freeze-protected tunnel of claim 6, further comprising:

a water conduit and a connecting pipe; the water guide pipe and the connecting pipe are arranged at the bottom of the tunnel pavement, and the first drainage ditch and the second drainage ditch are communicated with the water guide pipe through the connecting pipe.

8. The freeze-protected tunnel of claim 7, wherein the connection pipe includes: a first connection pipe and a second connection pipe; the first drainage ditch is communicated with the water guide pipe through the first connecting pipe, and the second drainage ditch is communicated with the water guide pipe through the second connecting pipe.

9. The antifreeze tunnel of claim 7, wherein the number of the drainage grooves is plural, and the drainage grooves are sequentially arranged on the tunnel pavement side by side at intervals.

10. The freeze-protected tunnel of claim 3, wherein the first, second and third water barriers are clay water barriers 40-60cm thick.