CN217925877U

CN217925877U - Novel single-hole bidirectional driving tunnel structure

Info

Publication number: CN217925877U
Application number: CN202222011916.XU
Authority: CN
Inventors: 蒋源; 陈兆; 王海林; 易震宇; 杨雄; 蒋胜波; 汪敬; 万志文; 谢也真; 周锦强; 李拼
Original assignee: Hunan Provincial Communications Planning Survey and Design Institute Co Ltd
Current assignee: Hunan Provincial Communications Planning Survey and Design Institute Co Ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-11-29
Anticipated expiration: 2032-08-01

Abstract

The utility model provides a novel two-way driving tunnel structure in single hole, include the main hole in tunnel and locate separator in the main hole in tunnel, separator separate the main hole in tunnel for along the driving passageway and the rescue passageway that the main hole extending direction in tunnel extends, the intercommunicating pore of intercommunication driving passageway and rescue passageway is seted up to the lower part of separator, installs the emergency door that can open and shut the setting around the separator on the intercommunicating pore. The utility model discloses a set up the separator and separate into two independent passageways that extend along tunnel extending direction with tunnel owner hole, when satisfying the current requirement of traffic, carry out reasonable arrangement to the section space, the section high-usage effectively reduces the tunnel construction degree of difficulty and risk, practices thrift the engineering investment, improves the utilization efficiency in underground space and soil.

Description

Novel single-hole bidirectional driving tunnel structure

Technical Field

The utility model belongs to the technical field of highway tunnel and specifically relates to a novel two-way driving tunnel structure of single hole.

Background

With the increasing of economy and technology in China, the span and length of the tunnel are continuously increased, a long tunnel exceeding 10km in China continuously appears, a fire disaster is a disaster type for key prevention of a road tunnel disaster prevention system, in general, with the increase of the length of the tunnel, the evacuation and rescue difficulty of the tunnel is rapidly increased, once the fire disaster occurs in the long tunnel, the caused economic and social influence is catastrophic, and therefore the disaster prevention and rescue of the road tunnel is one of key technologies concerned by the engineering industry all the time.

At present, two evacuation rescue modes mainly adopted by mountain tunnels are a transverse mode and a longitudinal mode. The transverse mode is suitable for arranging two high-grade highway tunnels with one-way driving, the transverse channel is used for communicating double holes of the tunnels, and when a fire disaster happens, one hole of the tunnel is transversely evacuated or rescued to the other hole of the tunnel; the longitudinal mode is to arrange a special evacuation channel outside the driving tunnel for longitudinal evacuation and rescue.

For the highway tunnel with lower highway grade and capable of driving in a single-hole and two-way mode, because only one tunnel is arranged in the highway tunnel with the single-hole and two-way mode in the prior art, on one hand, the highway tunnel cannot be evacuated through evacuation in a transverse channel like a mountain tunnel, and on the other hand, if an independent longitudinal evacuation channel is built, the construction cost is high.

In view of the above, there is a need to provide a new single-hole bidirectional driving tunnel structure to solve or at least alleviate the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a novel two-way driving tunnel structure of single hole to the highway tunnel of the two-way driving of single hole among the solution prior art only sets up a tunnel, and on the one hand, it can't be evacuated through the cross passage evacuation like the mountain tunnel, and on the other hand if build the independent vertical evacuation passageway cost higher problem again.

In order to achieve the purpose, the utility model provides a novel single-hole bidirectional driving tunnel structure, which comprises a main tunnel hole and a separator arranged in the main tunnel hole; wherein the content of the first and second substances,

the separator will the main hole in tunnel is separated for following driving passageway and the rescue passageway that the main hole extending direction in tunnel extends, the intercommunication of intercommunication driving passageway with the intercommunicating pore of rescue passageway has been seted up to the lower part of separator, install on the intercommunicating pore around the separator emergency door that can open and shut the setting.

Preferably, the partition is a partition wall extending upward from the bottom of the main tunnel to the top of the main tunnel, and the partition wall extends along the extending direction of the main tunnel.

Preferably, the emergency doors are multiple in number and are arranged at intervals along the extending direction of the partition wall.

Preferably, the diameter of the traveling passageway is larger than that of the rescue passageway.

Preferably, the tunnel air conditioner further comprises at least one jet fan suspended at the top of the tunnel main hole, and the air inlet direction of the jet fan is consistent with the extending direction of the tunnel main hole.

Preferably, still include drainage system, drainage system is including locating relatively the first uncovered side ditch and the uncovered side ditch of second of driving the vehicle passageway both sides, first uncovered side ditch with the uncovered side ditch of second is all followed the extending direction of driving the vehicle passageway extends the setting, just first uncovered side ditch is close to the inner wall setting in tunnel owner hole, the uncovered side ditch of second is close to the partition wall setting, first uncovered side ditch with the opening of the uncovered side ditch of second all with the road surface parallel and level of driving the vehicle passageway.

Preferably, the drainage system further comprises a first side ditch and a second side ditch which are oppositely arranged at two sides of the travelling crane channel, the first side ditch and the second side ditch are both arranged in an extending direction of the travelling crane channel in an extending mode, the first side ditch is arranged below the first open side ditch and is close to the inner wall of the main tunnel hole, and the second side ditch is arranged below the second open side ditch and is close to the partition wall; a first hollow cover plate is laid at the top of the first side ditch, and a second hollow cover plate is laid at the top of the second side ditch, so that underground water flows into the corresponding first side ditch and the second side ditch through the first hollow cover plate and the second hollow cover plate.

Preferably, still including locating relatively first cable pit and the second cable pit of driving passageway both sides, first cable pit with the second cable pit is all followed the extending direction of driving passageway extends the setting, first cable pit is located tunnel owner hole inner wall with between the first uncovered side ditch, the second cable pit is located the partition wall with between the uncovered side ditch of second, first cable side ditch with the top of second cable side ditch all is higher than the road surface of driving passageway.

Preferably, the partition wall has a thickness of 0.6 to 0.8m.

Preferably, the tunnel further comprises at least one illuminating lamp which is suspended at the top of the tunnel main hole, the illuminating lamp is arranged close to the outer side of the jet fan, and the illuminating lamps are arranged at intervals along the extending direction of the tunnel main hole.

Compared with the prior art, the utility model provides a have following beneficial effect:

the utility model provides a novel two-way driving tunnel structure in single hole through set up independent vertical rescue passageway in the tunnel, will vertically rescue the passageway and set up in same section with driving passageway space, separates into two independent spaces through the partition wall, and every certain distance sets up an emergency exit, under the emergency situation, can carry out sparse rescue through opening near emergency exit. This tunnel structure carries out reasonable arrangement to the section space when satisfying the current requirement of traffic, and the section utilization ratio is high to thereby it leads to the higher problem of cost to have avoidd and to construct vertical rescue passageway alone, the effectual reduction tunnel construction degree of difficulty and the risk of mode that so set up practices thrift the engineering investment, improves the utilization efficiency in underground space and soil.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions 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 schematic view of an overall structure of an inverted arch section according to an embodiment of the present invention;

fig. 2 is a schematic view of the overall structure of another embodiment of the present invention without an inverted arch section;

fig. 3 is an enlarged schematic view of a portion a of fig. 1.

The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.

The reference numbers illustrate:

10. a tunnel main hole; 110. a travelling crane passage; 120. a rescue channel; 130. a jet fan; 140. a first cable trench; 141. a first sealing cover plate; 150. an illuminating lamp; 20. a separator; 210. a partition wall; 220. an emergency door; 30. a drainage system; 310. a first open gutter; 320. a first lateral ditch; 321. first fretwork apron.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

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 all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the 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.

Referring to fig. 1-3, the present invention provides a novel single-hole bidirectional driving tunnel structure, which includes a main tunnel hole 10 and a partition 20 disposed in the main tunnel hole 10. It should be clear to those skilled in the art that, in the prior art, for a road tunnel with a lower road grade and capable of driving in a single-hole and two-way manner, only one tunnel is provided, so that evacuation and rescue cannot be performed by providing a transverse channel like a mountain tunnel, and on the other hand, if an independent longitudinal evacuation channel is constructed, the construction cost is high.

The application provides a pair of novel two-way driving tunnel structure of single hole, concrete structure is as follows:

the partition 20 divides the main tunnel 10 into a driving passage 110 and a rescue passage 120 extending in the extending direction of the main tunnel 10, and a communication hole (not shown) for communicating the driving passage 110 and the rescue passage 120 is opened at the lower part of the partition 20, and an emergency door 220 openably and closably arranged around the partition 20 is installed on the communication hole.

Specifically, the partition 20 is used for dividing the tunnel main hole 10 into the driving channel 110 and the rescue channel 120, the partition 20 is arranged under the condition that the driving channel 110 normally passes through is not influenced, the cross section structure of the tunnel main hole 10 is fully utilized, and no additional new rescue channel is required to be built.

Secondly, a communication hole for communicating the driving channel 110 and the rescue channel 120 is formed in the lower part of the partition 20, the communication hole is used for arranging the emergency door 220 which can be opened and closed, the emergency door 220 is in a closed state in a daily state, and when maintenance personnel perform tunnel maintenance work, the emergency door 220 can be opened to perform ventilation work on the rescue channel 120; when an emergency occurs, the evacuee can get rescue by entering the rescue trunk 120 through the emergency door 220.

To further assist understanding of the technical solution of the present application, as a specific example, when the method is applied to a surrounding rock section of iv, v or a more broken level iii, an inverted arch section needs to be provided to solve the problem of insufficient bearing capacity of the foundation and reduce subsidence, referring to fig. 1; when the device is arranged in II-level and III-level surrounding rock sections, an inverted arch section is not required to be arranged, and the device is referred to fig. 2. The specific implementation of the inverted arch section is well known to those skilled in the art and will not be described in detail herein.

In another embodiment, when tunnel construction is performed, all of the rescue trunk 120 may not be excavated, but only one evacuation trunk with a clear height of 2.5m and a clear width of 2m may be provided and communicated with the emergency gate 220, and representative values of these dimensions are only used as preferred embodiments to assist those skilled in the art to understand, and those skilled in the art may set the evacuation trunk according to actual situations.

As a preferred embodiment of the present invention, the partition 20 is a partition 210, the partition 210 extends upward from the bottom of the main tunnel 10 to the top of the main tunnel 10, and the partition 210 is disposed along the extending direction of the main tunnel 10. It should be noted that the partition wall 210 may be made of refractory concrete, brick walls, steel plates, or other materials, and in consideration of construction cost and fire strength, the partition wall 210 is preferably constructed of refractory concrete.

In a preferred embodiment, the emergency doors 220 are provided in a plurality, and the plurality of emergency doors 220 are spaced apart from each other along the extending direction of the partition wall 210. As will be understood by those skilled in the art, in the single-hole bidirectional driving tunnel with a long mileage, the number of the emergency doors 220 is correspondingly set according to the mileage of the single-hole bidirectional driving tunnel, and the emergency doors 220 are arranged at intervals along the extending direction of the partition wall 210, for example, the interval distance between the emergency doors 220 is 60-100 meters, which can be determined by those skilled in the art according to the actual situation.

Further, the diameter of the driving passage 110 is larger than that of the rescue passage 120. It should be noted that, since the rescue channel 120 is simultaneously disposed in the same cross section of the main tunnel hole 10, the rescue channel 120 should not occupy too much space, and the hole diameter design standard of the driving channel 110 needs to meet the specification design requirement, in a preferred embodiment of the present application, taking a three-level highway extra-long tunnel with a length of more than 3km and a design speed of 40km/h as an example, a one-way lane width is 3.5m, a lateral width is 0.25m, and a maintenance channel width is 0.75m, a clear width of the driving channel 110 is (3.5 + 0.25) × 2=9.0m, a clear height is 4.5m, and a clear width of the rescue channel 120 is 2m, and the calculation/representative values of these dimensions are only used as better embodiments to assist the understanding of technicians in the art, and the specific calculation design manner thereof is known to the technicians in the art and will not be described in detail herein.

As a preferred embodiment of the present invention, the present invention further comprises at least one jet fan 130 suspended at the top of the main tunnel 10, wherein the air inlet direction of the jet fan 130 is consistent with the extending direction of the main tunnel 10. It can be understood that one of the functions of the jet fan 130 is to open oppositely according to the position of the fire point to reduce the circulation of air when a fire breaks out, so as to increase the fire slowly and allow people to have enough time to evacuate into the rescue channel 120; and secondly, air in the tunnel can flow, automobile exhaust is discharged and flows into fresh air, so that the automobile exhaust in the tunnel can be diluted, and the damage is reduced. The jet fans 130 are transversely arranged on two sides of the central line of the tunnel oppositely, and the jet fans 130 are arranged at intervals along the extending direction of the traffic channel 110, and the interval distance can be set by a person skilled in the art according to specific needs.

As a preferred embodiment of the present invention, the present invention further comprises a drainage system 30, the drainage system 30 includes a first open side ditch 310 and a second open side ditch (not shown) disposed on both sides of the traveling crane channel 110, the first open side ditch 310 and the second open side ditch are all located along the extending direction of the traveling crane channel 110 extends the setting, just the first open side ditch 310 is close to the inner wall setting of the main tunnel hole 10, the second open side ditch is close to the partition wall 210 setting, the first open side ditch 310 and the opening of the second open side ditch are all parallel and level with the road surface of the traveling crane channel 110. It is worth to say that, first uncovered side ditch 310 and the uncovered side ditch of second are used for the road surface drainage, and it is the opening setting that makes progress, the opening of first uncovered side ditch 310 with the uncovered side ditch of second all with the road surface parallel and level of driving passageway 110, preferably, the road surface of driving passageway 110 is equipped with 2% cross slope for guide road surface area water to in first uncovered side ditch 310 and the uncovered side ditch of second in order to carry out the road surface drainage, first uncovered side ditch 310 with the uncovered side ditch of second adopts the mode of bricklaying, and it has construction convenience and advantage with low costs, can also adopt the prefabricated mode of concrete, and the technical staff in the art can set for according to concrete need.

As a preferred embodiment of the present invention, the drainage system 30 further includes a first side ditch 320 and a second side ditch (not shown) disposed at two sides of the driving channel 110, the first side ditch 320 and the second side ditch are disposed along the extending direction of the driving channel 110, the first side ditch 320 is disposed below the first open side ditch 310 and close to the inner wall of the main tunnel 10, and the second side ditch is disposed below the second open side ditch and close to the partition wall 210; a first hollowed-out cover plate 321 is laid at the top of the first side ditch 320, and a second hollowed-out cover plate (not shown) is laid at the top of the second side ditch (not shown), so that underground water flows into the corresponding first side ditch and second side ditch through the first hollowed-out cover plate 321 and the second hollowed-out cover plate.

It should be noted that the first hollow cover 321 and the first side gutter 320 are correspondingly provided with the second hollow cover and the second side gutter, the first side gutter 320 and the second side gutter are used for tunnel drainage, mainly collect groundwater and play roles of sedimentation and firm drainage, the first side gutter body 321 and the second side gutter are made of reinforced concrete, and because the first side gutter body 321 and the second side gutter are made of reinforced concrete, the first side gutter body 321 and the second side gutter body are made of reinforced concrete, and preferably made of reinforced concrete, the hollow cover can play a role of supporting the first open side gutter 310 and the second open side gutter, and simultaneously, the groundwater in the tunnel is drained into the first side gutter 320 and the second side gutter through holes in the hollow cover, and other cover plates such as iron grates can be adopted.

As a preferred embodiment of the present invention, it further includes locating relatively the first cable trench 140 and the second cable trench (not shown in the figure) of driving channel 110 both sides, first cable trench 140 with the second cable trench is all followed the extending direction of driving channel 110 extends the setting, first cable trench 140 locates the tunnel owner hole 10 inner wall with between the first uncovered side ditch 310, the second cable trench is located partition wall 210 with between the uncovered side ditch of second, first cable side ditch with the top of second cable side ditch all is higher than the road surface of driving channel 110. It should be noted that the first cable trench 140 and the second cable trench are used for installing pipelines, cables, etc., the first cable trench 140 and the second cable trench may be constructed in a cast-in-place or prefabricated manner, and those skilled in the art may set according to specific needs, where the tops of the first cable trench and the second cable trench are both higher than the road surface of the driving channel 110, so as to prevent water from entering, and also enable the cable trench to be used as an access way, so that maintenance personnel and tunnel users can handle emergency things without interfering with traffic, and at the same time, the cable trench can be used as a driving direction line of a driver.

Further, a first sealing cover plate 141 is laid on the first cable trench 140, and the first sealing cover plate 141 is arranged corresponding to the first cable trench 140; and a second sealing cover plate (not marked in the figure) is paved on the second cable trench, and the second sealing cover plate and the second cable trench are correspondingly arranged. It can be understood that, all be provided with sealed apron on first cable pit 140 and the second cable pit, sealed apron is used for protecting inside pipeline circuit corroded or suffers the damage to sealed apron can freely be dismantled, so makes things convenient for the maintainer to carry out the circuit and maintains, sealed apron can adopt other materials such as concrete slab, steel sheet, and the technical staff in the field can set for according to specific need.

Further, the thickness of the partition wall 210 is 0.6 to 0.8m. It will be readily appreciated that the thickness of the partition wall 210 is thicker than that of a general wall body in consideration of the main role of fire prevention, and the specific size can be appropriately selected by those skilled in the art according to the space of an actual tunnel.

As a preferred embodiment of the present invention, the present invention further comprises at least one illuminating lamp 150 suspended at the top of the main tunnel hole 10, wherein the illuminating lamp 150 is close to the outer side of the jet fan 130, and the illuminating lamp 150 is disposed along the extending direction of the main tunnel hole 10 at intervals. It can be understood that the illuminating lamp 150 is used for illuminating the road surface condition in the tunnel, and at the same time, improving the visual enjoyment in the tunnel, reducing the fatigue of the driver, and facilitating the improvement of the tunnel traffic capacity to ensure the traffic safety. The number and the interval of the illuminating lamps 150 are determined according to the length of the main tunnel 10, and can be set by those skilled in the art according to actual conditions.

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

Claims

1. A novel single-hole bidirectional driving tunnel structure is characterized by comprising a tunnel main hole and a separator arranged in the tunnel main hole; wherein the content of the first and second substances,

the separator will the main hole in tunnel is separated for following driving passageway and rescue passageway that the main hole extending direction in tunnel extends, the intercommunication has been seted up to the lower part of separator driving passageway with the intercommunicating pore of rescue passageway, install on the intercommunicating pore around the separator emergency door that can open and shut the setting.

2. The novel single-hole bidirectional driving tunnel structure as claimed in claim 1, wherein the partition is a partition wall extending upward from the bottom of the main tunnel to the top of the main tunnel, and the partition wall extends along the extending direction of the main tunnel.

3. The novel single-hole bidirectional driving tunnel structure according to claim 2, wherein the number of the emergency doors is plural, and the plural emergency doors are arranged at intervals along the extending direction of the partition wall.

4. The novel single-hole bidirectional driving tunnel structure according to claim 1, wherein the hole diameter of the driving channel is larger than the hole diameter of the rescue channel.

5. The novel single-hole bidirectional driving tunnel structure according to claim 1, further comprising at least one jet fan suspended at the top of the main tunnel hole, wherein the air inlet direction of the jet fan is consistent with the extending direction of the main tunnel hole.

6. The novel single-hole bidirectional driving tunnel structure according to claim 2, further comprising a drainage system, wherein the drainage system comprises a first open gutter and a second open gutter which are oppositely arranged on two sides of the driving channel, the first open gutter and the second open gutter are arranged along the extending direction of the driving channel in an extending manner, the first open gutter is close to the inner wall of the main tunnel hole, the second open gutter is close to the partition wall, and the openings of the first open gutter and the second open gutter are flush with the road surface of the driving channel.

7. The novel single-hole bidirectional driving tunnel structure according to claim 6, wherein the drainage system further comprises a first side ditch and a second side ditch which are oppositely arranged at two sides of the driving channel, the first side ditch and the second side ditch are both arranged along the extending direction of the driving channel in an extending manner, the first side ditch is arranged below the first open side ditch and close to the inner wall of the main tunnel hole, and the second side ditch is arranged below the second open side ditch and close to the partition wall; a first hollow cover plate is laid at the top of the first side ditch, and a second hollow cover plate is laid at the top of the second side ditch, so that underground water flows into the corresponding first side ditch and the second side ditch through the first hollow cover plate and the second hollow cover plate.

8. The novel single-hole bidirectional driving tunnel structure according to claim 6, further comprising a first cable trench and a second cable trench which are oppositely arranged at two sides of the driving channel, wherein the first cable trench and the second cable trench are arranged along the extending direction of the driving channel in an extending manner, the first cable trench is arranged on the inner wall of the main tunnel of the tunnel and between the first open side trenches, the second cable trench is arranged between the partition wall and the second open side trenches, and the tops of the first cable trench and the second cable side trenches are higher than the road surface of the driving channel.

9. A novel single-hole bidirectional driving tunnel structure as claimed in claim 2, wherein the thickness of the partition wall is 0.6-0.8 m.

10. The novel single-hole bidirectional driving tunnel structure according to claim 5, further comprising at least one illuminating lamp suspended at the top of the main tunnel hole, wherein the illuminating lamp is arranged close to the outer side of the jet fan, and the illuminating lamps are arranged at intervals along the extending direction of the main tunnel hole.