CN108915750A - A kind of anti-pollution air return arragement construction of tunnel portal canopy formula and its application method - Google Patents
A kind of anti-pollution air return arragement construction of tunnel portal canopy formula and its application method Download PDFInfo
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- CN108915750A CN108915750A CN201810474954.4A CN201810474954A CN108915750A CN 108915750 A CN108915750 A CN 108915750A CN 201810474954 A CN201810474954 A CN 201810474954A CN 108915750 A CN108915750 A CN 108915750A
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- tunnel
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- hole
- air return
- pollution air
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- 238000010276 construction Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000007704 transition Effects 0.000 claims abstract description 9
- 230000008676 import Effects 0.000 claims abstract description 6
- 238000009423 ventilation Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract 1
- 230000000875 corresponding effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/003—Ventilation of traffic tunnels
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention relates to tunnel environment control technology field, the anti-pollution air return arragement construction of especially a kind of tunnel portal canopy formula and its application method, it is characterised in that：The arragement construction includes the T shape canopy being arranged at the adjacent hole, and the T shape canopy extends outwardly along tunnel direction from the adjacent hole；The T shape canopy is connected and composed by the middle wall of top canopy body and the support canopy body, and the middle wall is set between the adjacent hole and isolates the adjacent hole, and the top canopy body offers aperture.It is an advantage of the invention that：Pollution air return can be prevented, the air quality in tunnel is effectively increased, improves its effective ventilation volume；Realize tunnel export & import light transition, avoid at access tunnel hole caused by black hole, white hole phenomenon, improve the safety of driving；It is simple and reasonable for structure, it especially can be simply transformed applicable tunnel has been put into, that is, can be used.
Description
Technical field
The present invention relates to automobile tunnel environment controlling technique field, especially a kind of anti-pollution air of tunnel portal canopy formula is returned
Flow arrangement structure and its application method.
Background technique
The roads and tunnels of double hole one-way traffics are taken, the overwhelming majority uses longitudinal ventilation form.Automobile travels in tunnel
When, due to the gradually accumulation of emission, reached using CO, NOx and particulate matter as the concentration of harmful substance of representative in Portal Section concentration out
To highest.If uplink and downlink tunnel inlet and outlet cave is arranged side by side, the high density pollution air at hole can be flowed into the traffic of adjacent tunnel out
Enter adjacent pipe tunnel, deteriorates the air quality in adjacent pipe tunnel, reduce its effective ventilation volume.Therefore, parallel arrangement of uplink and downlink two are managed
Tunnel inlet and outlet cave will take anti-return measure.
Summary of the invention
The purpose of the present invention is provide a kind of anti-pollution air of tunnel portal canopy formula according to above-mentioned the deficiencies in the prior art
The arragement construction that flows back and its application method, by the way that T shape canopy is being arranged to change the row of pollution air into hole and out between hole
Direction avoids exchanging circulation into the direct of pollution air between hole and hole out simultaneously out, to prevent tunnel portal pollution empty
Gas reflux.
The object of the invention realization is completed by following technical scheme：
A kind of anti-pollution air return arragement construction of tunnel portal canopy formula, the adjacent hole in the tunnel for preventing double hole one-way traffics
Pollution air return between mouthful, it is characterised in that：The arragement construction includes the T shape canopy being arranged at the adjacent hole,
The T shape canopy extends outwardly along tunnel direction from the adjacent hole；The T shape canopy is by top canopy body and the support canopy body
Middle wall connect and compose, the middle wall is set between the adjacent hole and isolates the adjacent hole, the top
Canopy body, which offers, opens up hole.
The area of the top canopy body is satisfied with the requirement for covering tunnel width corresponding to the adjacent hole.
Offer aperture respectively at the top of the two sides the top Peng Ti, the aperture is respectively and corresponding to the adjacent hole
Tunnel formed location matches.
The aperture is continuously made of several apertures outside from the adjacent hole along tunnel direction.
Percent opening of the aperture on the top canopy body is not less than 40%.
The size of the aperture becomes larger along tunnel direction from tunnel portal outward.
A kind of to be related to the application method of the above-mentioned anti-pollution air return arragement construction of tunnel portal canopy formula, feature exists
In：Air-flow inside and outside tunnel is carried out using the aperture opened up on the top canopy body of T shape canopy to exchange.
A kind of application method of the anti-pollution air return arragement construction of tunnel portal canopy formula according to claim 7,
It is characterized in that：The size of the aperture becomes larger along tunnel direction from the adjacent hole outward；Using the aperture into
The light transition of row tunnel export & import.
It is an advantage of the invention that：Pollution air return can be prevented, effectively increases the air quality in tunnel, improving it has
Imitate ventilation volume；Realize tunnel export & import light transition, avoid at access tunnel hole caused by black hole, white hole phenomenon, improve
The safety of driving；It is simple and reasonable for structure, it especially can be simply transformed applicable tunnel has been put into, that is, can be used；
It is applied widely, it is equally applicable among the anti-pollution air return of more hole roads and tunnels, is suitable for promoting；Attractive appearance,
Suitable for urban construction.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
Feature of present invention and other correlated characteristics are described in further detail by embodiment below in conjunction with attached drawing, so as to
In the understanding of technical staff of the same trade：
As shown in Figure 1, figure label 1-7 is expressed as：Into hole 1, go out hole 2, T shape canopy 3, middle wall 4, top canopy body 5, open
Hole 6, complete open section 7.
Embodiment：As shown in Figure 1, the anti-pollution air return arragement construction of tunnel portal canopy formula in the present embodiment, is used for
It prevents into hole 1 and the pollution air return at hole 2 out.Hole 2 is the roads and tunnels of double hole one-way traffics into hole 1 and out
Two adjacent holes, vehicle by entering tunnel internal into hole 1 and can be driven out to tunnel to outer by going out hole 2.General feelings
Under condition, the high density pollution air at hole 2 can enter adjacent pipe tunnel with the traffic flow of adjacent tunnel out, i.e., with into hole 1
Traffic flow enters among the tunnel of 1 back segment of hole, to deteriorate the air quality of tunnel internal, reduces its effective ventilation volume.
If conventional adjacent hole parallel construction, the tunnel pollution air that is discharged at hole 2 out at this time can be by into the vehicle at hole 1
Air-flow caused by when driving drives and flows back into tunnel internal again via into hole 1, to cause into corresponding to hole 1
This section of tunnel in air quality deterioration.
As shown in Figure 1, the anti-pollution air return arragement construction of tunnel portal canopy formula in the present embodiment is setting into hole
Mouth 1 and out the T shape canopy 3 at hole 2.T shape canopy 3 is made of middle wall 4 and top canopy body 5, and top canopy body 5 is supported on the upper of middle wall 4
Side, integral structure can be used between the two or be connected and fixed by corresponding connector.The middle wall 4 of T shape canopy 3 is vertical setting
And be arranged in into hole 1 and out between hole 2 with will be into hole 1 and hole 2 is isolated out, to avoid into hole 1 and appear
Pollution air between mouthfuls 2 directly exchanges circulation, that is, avoiding out the tunnel being discharged at hole 2 from polluting air can be by into hole 1
Generated air-flow drives and flows back into tunnel internal again via into hole 1 when the vehicle driving at place.Top canopy body 5 is in level
Be arranged and its area covering into hole 1 and out tunnel area corresponding to hole 2.As shown in Figure 1, being opened up on top canopy body 5
Have two groups of apertures 6, the position of two groups of apertures 6 respectively with tunnel construction sections corresponding to hole 2 constitute location matches into hole 1 and out,
I.e. into individually corresponding one group of aperture 6 above the tunnel construction sections at hole 1, another group is individually corresponded to above the tunnel construction sections at hole 2 out
Aperture 6.
At this point, the aperture 6 opened up on top canopy body 5 is used as natural ventilation hole, pass through outside 6 suction chamber of aperture into hole 1
Air, the pollution air for going out the discharge of hole 2 are expelled to by its corresponding open section 7 with top drilling 6 outer；At the same time, into
Wall 3 is isolated in setting between hole 1 and out hole 2.So, by prolonging T shape canopy 3 is arranged at hole 2 into hole 1 and out
It has grown into 1 air-breathing sink flow field of hole and the distance between 2 Jet Flow Field of hole out, while wall 3 is isolated into hole 1 and appears in cooperation
Mouth 2 is to avoid the directly exchange circulation for polluting air between hole, to realize preventing for tunnel portal pollution air return.
As shown in Figure 1, the size of aperture 6 is along tunnel direction from hole 2 becomes larger outward into hole 1 or out.This be for
While guaranteeing that pollution air can effectively be discharged, gradually increases along tunnel direction and thrown naturally into T shape canopy 3 from the inside to the outside
The illuminance penetrated avoids to realize the light transition of tunnel export & import because black hole caused by access tunnel hole, white hole are existing
As improving the safety of driving.That is, the T shape canopy in the present embodiment has both light transition and anti-hole pollution air return
It is used, aperture 6 is not merely used as natural ventilation hole, while being still used as a natural lighting hole, improves the use of T shape canopy 3
Effect.
The present embodiment is in use, have following application method：
1）Carried out using the aperture 6 that is opened up on the top canopy body 5 of T shape canopy 3 the pollution air in tunnel to outer discharge.Aperture
The 6 smallest aperture area on top canopy body 5 can according in tunnel rate of air circulation and light transition require counted accordingly
It calculates, to ensure the using effect of air-flow isolation and light transition.
2）The light transition of tunnel export & import is carried out using aperture 6.
The present embodiment is in the specific implementation：In order to guarantee to pollute the discharge effect of air, as shown in Figure 1, from into hole 1 or
Out hole 2 to complete open section 7 this section of T shape canopy 3 length be not less than 35m, to guarantee into hole air as much as possible from upper
The aperture 6 that is opened up on portion's canopy body 5 sucks, without being sucked from the opening of T shape canopy 3, while guarantee to pollute air as far as possible from
The opening of top canopy body 5 is discharged.Meanwhile percent opening of the aperture 6 on top canopy body 5 is not less than 40%.
In order to guarantee the structural strength of T shape canopy 3, the safety problem because caused by aperture 6 is excessive is avoided, as shown in Figure 1, opening
Hole 6 can be continuously made of several apertures outside from into hole 1 or out hole 2 along tunnel direction, and the size of several apertures is gradually
Increase.
Although above embodiments are elaborated referring to conception and embodiment of the attached drawing to the object of the invention, this
Field those of ordinary skill will recognize, still can be right in the case where no disengaging claim limits the precondition of range
The present invention makes various modifications and variations, therefore will not repeat them here.
Claims (8)
1. a kind of anti-pollution air return arragement construction of tunnel portal canopy formula, for prevent double hole one-way traffics tunnel it is adjacent
Pollution air return between hole, it is characterised in that：The arragement construction includes the T shape being arranged at the adjacent hole
Canopy, the T shape canopy extend outwardly along tunnel direction from the adjacent hole；The T shape canopy is as described in top canopy body and support
The middle wall of canopy body connects and composes, and the middle wall is set between the adjacent hole and isolates the adjacent hole, described
Top canopy body offers aperture.
2. the anti-pollution air return arragement construction of a kind of tunnel portal canopy formula according to claim 1, it is characterised in that：Institute
The area for stating top canopy body is satisfied with the requirement for covering tunnel width corresponding to the adjacent hole.
3. the anti-pollution air return arragement construction of a kind of tunnel portal canopy formula according to claim 1, it is characterised in that：?
Aperture is offered respectively at the top of the two sides the top Peng Ti, and the aperture is formed with tunnel corresponding to the adjacent hole respectively
Location matches.
4. the anti-pollution air return arragement construction of a kind of tunnel portal canopy formula according to claim 3, it is characterised in that：Institute
Aperture is stated continuously to be made of several apertures outside from the adjacent hole along tunnel direction.
5. the anti-pollution air return arragement construction of a kind of tunnel portal canopy formula according to claim 1, it is characterised in that：Institute
Percent opening of the aperture on the top canopy body is stated not less than 40%.
6. according to claim 1, a kind of anti-pollution air return arragement construction of tunnel portal canopy formula, feature described in 3 or 4 exist
In：The size of the aperture becomes larger along tunnel direction from tunnel portal outward.
7. a kind of be related to the application method of the anti-pollution air return arragement construction of tunnel portal canopy formula described in claim 1-6,
It is characterized in that：Air-flow inside and outside tunnel is carried out using the aperture opened up on the top canopy body of T shape canopy to exchange.
8. a kind of application method of the anti-pollution air return arragement construction of tunnel portal canopy formula according to claim 7,
It is characterized in that：The size of the aperture becomes larger along tunnel direction from the adjacent hole outward；It is carried out using the aperture
The light transition of tunnel export & import.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474954.4A CN108915750A (en) | 2018-05-17 | 2018-05-17 | A kind of anti-pollution air return arragement construction of tunnel portal canopy formula and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474954.4A CN108915750A (en) | 2018-05-17 | 2018-05-17 | A kind of anti-pollution air return arragement construction of tunnel portal canopy formula and its application method |
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| Publication Number | Publication Date |
|---|---|
| CN108915750A true CN108915750A (en) | 2018-11-30 |
Family
ID=64403012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810474954.4A Pending CN108915750A (en) | 2018-05-17 | 2018-05-17 | A kind of anti-pollution air return arragement construction of tunnel portal canopy formula and its application method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958453A (en) * | 2019-03-28 | 2019-07-02 | 广东省交通规划设计研究院股份有限公司 | A kind of tunnel portal of green energy conservation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100699808B1 (en) * | 2006-02-10 | 2007-03-28 | 명성산업개발 주식회사 | Structure for tunnel |
| KR100846669B1 (en) * | 2007-06-08 | 2008-07-17 | 신성산건 주식회사 | The soundproof tunnel having walkway for maintenance |
| CN202578704U (en) * | 2012-04-26 | 2012-12-05 | 徐自豪 | Tunnel entrance transition cover |
| CN104213926A (en) * | 2014-09-17 | 2014-12-17 | 中南大学 | Self-adaptive device for wind pressure transition of tunnel portal of high speed railway |
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2018
- 2018-05-17 CN CN201810474954.4A patent/CN108915750A/en active Pending
Patent Citations (5)
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|---|---|---|---|---|
| KR100699808B1 (en) * | 2006-02-10 | 2007-03-28 | 명성산업개발 주식회사 | Structure for tunnel |
| KR100846669B1 (en) * | 2007-06-08 | 2008-07-17 | 신성산건 주식회사 | The soundproof tunnel having walkway for maintenance |
| CN202578704U (en) * | 2012-04-26 | 2012-12-05 | 徐自豪 | Tunnel entrance transition cover |
| CN104213926A (en) * | 2014-09-17 | 2014-12-17 | 中南大学 | Self-adaptive device for wind pressure transition of tunnel portal of high speed railway |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958453A (en) * | 2019-03-28 | 2019-07-02 | 广东省交通规划设计研究院股份有限公司 | A kind of tunnel portal of green energy conservation |
| CN109958453B (en) * | 2019-03-28 | 2021-04-27 | 广东省交通规划设计研究院股份有限公司 | Green and energy-saving tunnel portal |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181130 |
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| RJ01 | Rejection of invention patent application after publication |