CN101560881B - Double-layer shield tunnel - Google Patents
Double-layer shield tunnel Download PDFInfo
- Publication number
- CN101560881B CN101560881B CN2009100620747A CN200910062074A CN101560881B CN 101560881 B CN101560881 B CN 101560881B CN 2009100620747 A CN2009100620747 A CN 2009100620747A CN 200910062074 A CN200910062074 A CN 200910062074A CN 101560881 B CN101560881 B CN 101560881B
- Authority
- CN
- China
- Prior art keywords
- tunnel
- space
- partition wall
- double
- smoke evacuation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Ventilation (AREA)
Abstract
The invention relates to a double-layer shield tunnel. The tunnel utilizes a lane board, a left partition wall and a right partition wall to partition the interior of the tunnel into an upper lane space and a lower lane space. The double-layer shield tunnel is characterized in that the left partition wall and the right partition wall form spaces with a tunnel lining respectively, wherein one of the spaces is provided with an emergency staircase connecting the upper lane space and the lower lane space, and the other space is provided with a special smoke exhausting air passage communicated withthe upper lane space and the lower lane space respectively. The double-layer shield tunnel not only reserves all advantages of the prior double-layer shield tunnel at home and abroad, but also makes full use of the internal space of the tunnel through a reasonable space arrangement mode in the premise of not increasing the diameter of the tunnel, and simultaneously solves the problems of ventilation and smoke exhaust of upper and lower lanes under the condition of fire hazards so as to greatly improve the running safety of engineering.
Description
Technical field
The present invention relates to the tunnel, relate in particular to a kind of double-layer shield tunnel.
Background technology
The case history of double-layer shield tunnel is also less both at home and abroad, as Paris, FRA A86 tunnel and last marine Zhong Lu tunnel, tunnel, Fuxing Lu smoke vent is not set all in the existing example, sees Fig. 1.Double-layer shield tunnel is compared with the individual layer shield tunnels that adopt in a large number both at home and abroad at present, and major advantage has: 1. inside lane number in tunnel increases, and traffic capacity obviously strengthens; 2. levels all can be driven a vehicle, and evacuation and rescue speed are faster under disaster scenarios it.Major defect has: 1. since upper and lower layer arranged all that runway, the headroom area of every layer of runway are compared obviously with the individual layer tunnel and reduced, when in the tunnel during breaking out of fire, as not arranging the special-purpose air channel of smoke evacuation, then smog gathers sooner, and personnel can shorten with escape time, are unfavorable for personal security; 2. double layer tunnel is because vehicle flowrate increases, and the possibility of accidents such as breaking out of fire also increases, and when fire and traffic jam occurring and take place simultaneously, as the special-purpose air channel of smoke evacuation is not set, fire point the place ahead driver and conductor will soon be by smog injury, and it is very big to rescue difficulty; 3. as above, lower floor's runway all is provided with smoke vent separately, then need strengthen tunnel diameter, engineering is uneconomical.For giving full play to the advantage of double layer tunnel, overcome its shortcoming, be necessary to carry out the research of tunnel internal space arrangement at the difficult problem of fire smoke evacuation.
Summary of the invention
The objective of the invention is in order to solve the deficiency that the above-mentioned background technology exists, propose a kind ofly in the advantage that keeps double-layer shield tunnel with do not increase under the prerequisite of double-layer shield tunnel diameter, the double-layer shield tunnel in the smoke evacuation special use air channel that upper and lower layer runway space can be shared is set.
For achieving the above object, the present invention adopts following technical scheme: a kind of double-layer shield tunnel, this tunnel utilizes lane plate, left partition wall and right partition wall that tunnel internal is separated into upper and lower two-layer runway space, it is characterized in that, described left partition wall and right partition wall are respectively and in the space between the tunnel lining, a layout is got in touch with the escape stair in lower floor runway space, and another is provided with the special-purpose air channel of smoke evacuation that is communicated with upper and lower layer runway space respectively.
In such scheme, the partition wall at place, the special-purpose air channel of described smoke evacuation and the space between the tunnel lining can be divided into upper and lower two sheaf spaces with it by the buffler of lateral arrangement, and last sheaf space is the special-purpose air channel of smoke evacuation, and lower layer space is a pipeline passway.
In such scheme, one end of described buffler preferably is fixed in the tunnel lining, the other end preferably is fixed on the partition wall that is positioned at lower floor's runway space segment corresponding with it, is respectively equipped with the smoke evacuation through hole on the partition wall between lower floor runway space and runway space, upper strata and the special-purpose air channel of smoke evacuation.
Preferably be provided with exhaust smoke valve in the above-mentioned smoke evacuation through hole.
The present invention solves a double-layer shield tunnel fire smoke evacuation difficult problem by the special-purpose air channel of smoke evacuation that upper and lower layer runway can be shared is set in the tunnel.When upper strata runway in the tunnel or lower floor's runway breaking out of fire, open corresponding exhaust smoke valve, and start the blower fan pump drainage cigarette of smoke evacuation termination, special-purpose air channel, with the safety of driver and conductor and rescue personnel in the assurance tunnel.
Below be the application mode of the present invention under different fire scenario situations:
(1), fire bed fire point the place ahead do not have traffic jam and not fire bed when also not having traffic jam
In the presence of fire bed fire point the place ahead do not have traffic jam and not fire bed when also not having traffic jam, can utilize the normal ventilation system in tunnel vertically to discharge fume, fresh air enters from hole, ignition point rear or pit mouth, smog is discharged from hole, ignition point the place ahead, and ignition point front vehicle and personnel are in a safe condition.The driver and conductor who fire bed is entering not fire bed along the stair road, takes relief car again or the tunnel is left in walking; The rescue personnel then never fire bed take relief car and arrive near the ignition point stair road, arrive the fire point again from the stair road and put out a fire.
(2), that traffic jam takes place in fire bed fire point the place ahead and not fire bed when not having traffic jam
In the presence of traffic jam takes place in fire bed fire point the place ahead not fire bed when not having traffic jam, opening the smoke evacuation air-valve of fire bed this moment, smog got rid of, to guarantee ignition point front vehicles and personnel's safety from the special-purpose air channel of discharging fume.It is the same fire bed driver and conductor's escape route and route that the rescue personnel arrives fire point.
(3), that fire bed fire point the place ahead does not have traffic jam but not fire bed generation traffic jam
In the presence of fire bed fire point the place ahead do not have traffic jam but not during fire bed generation traffic jam, opening the smoke evacuation air-valve of fire bed this moment, smog is got rid of from the special-purpose air channel of discharging fume,, be beneficial to the rescue personnel and reach the spot from fire point the place ahead to guarantee fire point the place ahead non smoke.The escape route of the fire bed driver and conductor is the same.
(4), fire bed fire point the place ahead take place traffic jam and not fire bed traffic jam also takes place
In the presence of fire bed fire point the place ahead take place traffic jam and not fire bed when also traffic jam taking place, opening the smoke evacuation air-valve of fire bed this moment, smog got rid of, to guarantee ignition point front vehicles and personnel's safety from the special-purpose air channel of discharging fume.The escape route of the fire bed driver and conductor is the same, but the rescue personnel then should select from the upper strata by the fastest principle or flyunder enters according at that time situation.
(5), upper and lower layer breaking out of fire simultaneously
When the breaking out of fire simultaneously of upper and lower layer, opening the smoke evacuation air-valve of fire bed this moment, and smog is got rid of from the special-purpose air channel of discharging fume, and driver and conductor and rescue personnel then leave or arrive the tunnel from nearest hole.
A kind of double-layer shield tunnel proposed by the invention has not only kept all advantages of domestic and international existing double-layer shield tunnel, and under the prerequisite that does not increase tunnel diameter, by rational space arrangement, both made full use of the tunnel internal space, solve the ventilation smoke exhaust difficult problem of upper and lower two-layer runway under fire condition again simultaneously, greatly improved the engineering operation security.
Below in conjunction with the accompanying drawing illustrated embodiment feature of the present invention is described in further details, so that technician's of the same trade understanding.
Description of drawings
Fig. 1 is an existing double-layer shield tunnel cross section arrangement diagram.
Fig. 2 is an embodiment of the invention cross section arrangement diagram.
In above-mentioned accompanying drawing, 1 is tunnel lining, and 2 is left partition wall, 3 is right partition wall, and 4 is lane plate, and 5 is pipeline passway, 6 escape stairs, 7 are the collection drainage channel, and 8 is clearance of tunnel, and 9 is exhaust smoke valve, 10 is buffler, 11 is runway space, upper strata, and 12 is lower floor runway space, and 13 are the special-purpose air channel of smoke evacuation.
The specific embodiment
Embodiment: the mode that present embodiment is provided with the shared smoke vent of upper and lower layer by the one lateral deviation upper part in the tunnel solves the fire smoke evacuation difficult problem of double layer tunnel.
The described a kind of double-layer shield tunnel of present embodiment utilizes lane plate 4, left partition wall 2 and right partition wall 3 that tunnel internal is separated into two-layer runway space 11 and lower floor runway space 12, the space that forms between right partition wall 3 and the tunnel lining 1 is arranged and is got in touch with, the escape stair 6 in lower floor runway space, and the space that forms between left partition wall 2 and the tunnel lining 1 is provided with the smoke evacuation special use air channel 13 that is communicated with upper and lower layer of runway space respectively.The discharge fume left partition wall 2 at 13 places, special-purpose air channel and the space between the tunnel lining 1 is divided into upper and lower two sheaf spaces by the buffler 10 of lateral arrangement with it, and last sheaf space is the special-purpose air channel 13 of smoke evacuation, and lower layer space is a pipeline passway 5.One end of buffler 10 is fixed in the tunnel lining 1, the other end is fixed on the left partition wall 2 that is positioned at lower floor's runway space 12 parts corresponding with it, on the left partition wall 2 between lower floor runway space and runway space, upper strata and the special-purpose air channel of smoke evacuation, be respectively equipped with the smoke evacuation through hole, in each smoke evacuation through hole exhaust smoke valve 9 is housed, exhaust smoke valve 9 is closed when flat, opens automatically when needing.Other excess room of all the other pipelines and equipment utilization is arranged.
Present embodiment is specially adapted to the circular tunnel that adopts shield method to build, after the tunnel main structure construction is finished, adopts the mode of cast-in-situ concrete or prefabricated component to apply internal construction in the tunnel according to design.When internal construction applies, should on side wall, reserve hole, with the labeled door that is used to that the smoke evacuation air-valve is installed and enters escape stair according to designing requirement.Each smoke evacuation air-valve all should be provided with control appliance and be communicated with the tunnel management center, and under fire condition, the tunnel management personnel can directly control the keying state of each smoke evacuation air-valve in administrative center.
Discharge fume the area in special-purpose air channel and smoke evacuation air-valve spacing should according to tunnel fire hazard scale (relevant), ventilation equipment ability, tunnel gut line equipment with current type of vehicle what etc. determine as calculated.Big and can not further strengthen the area of smoke vent the time when fire scale, can adopt in the middle of setting up the ventilating shaft mode or in smoke vent, arrange small-sized ventilation equipment, to add wind speed in the wind trunk, improve the smoke evacuation ability.
Claims (5)
1. double-layer shield tunnel, this tunnel utilizes lane plate, left partition wall and right partition wall that tunnel internal is separated into upper and lower two-layer runway space, it is characterized in that, at left partition wall and right partition wall respectively and in the space that forms between the tunnel lining, a layout is got in touch with the escape stair in lower floor runway space, and another is provided with the special-purpose air channel of smoke evacuation that is communicated with upper and lower layer runway space respectively.
2. a kind of double-layer shield tunnel according to claim 1, it is characterized in that, the partition wall at place, the special-purpose air channel of described smoke evacuation and the space between the tunnel lining are divided into upper and lower two sheaf spaces by the buffler of lateral arrangement with it, last sheaf space is the special-purpose air channel of smoke evacuation, and lower layer space is a pipeline passway.
3. a kind of double-layer shield tunnel according to claim 2, it is characterized in that, one end of described buffler is fixed in the tunnel lining, the other end is fixed on the partition wall that is positioned at lower floor's runway space segment corresponding with it, is respectively equipped with the smoke evacuation through hole on the partition wall between lower floor runway space and runway space, upper strata and the special-purpose air channel of smoke evacuation.
4. a kind of double-layer shield tunnel according to claim 3 is characterized in that, is provided with exhaust smoke valve in the described smoke evacuation through hole.
5. according to the described a kind of double-layer shield tunnel of arbitrary claim in the claim 1 to 4, it is characterized in that described tunnel cross section is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100620747A CN101560881B (en) | 2009-05-15 | 2009-05-15 | Double-layer shield tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100620747A CN101560881B (en) | 2009-05-15 | 2009-05-15 | Double-layer shield tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101560881A CN101560881A (en) | 2009-10-21 |
| CN101560881B true CN101560881B (en) | 2011-06-22 |
Family
ID=41219836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100620747A Active CN101560881B (en) | 2009-05-15 | 2009-05-15 | Double-layer shield tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101560881B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108871A (en) * | 2009-12-28 | 2011-06-29 | 希尔维诺·庞培·桑托斯 | Multi-layer tunnel |
| WO2012013992A1 (en) * | 2010-07-27 | 2012-02-02 | Pavetic Josip | Method and system for tunnel ventilation in normal conditions and in conditions of fire |
| CO6380010A1 (en) * | 2010-08-02 | 2012-02-15 | Penuela Luis Enrique Becerra | MACHINE AND SYSTEM FOR THE CONSTRUCTION OF CLOSED TUNNEL TUNNELS WITHOUT STOPPING VEHICLE TRAFFIC |
| CN103032099A (en) * | 2012-12-18 | 2013-04-10 | 中交公路规划设计院有限公司 | Prefabricated partition wall structure of lateral smoke discharge passage of shield tunnel |
| CN103195440A (en) * | 2013-04-03 | 2013-07-10 | 中铁隧道勘测设计院有限公司 | Three-layer-structure subway double-line single-pipe circular tunnel |
| CN103670437B (en) * | 2013-12-30 | 2016-04-13 | 中铁第四勘察设计院集团有限公司 | The fire escape arrangement of shield tunnel built jointly by a kind of public iron |
| CN103790596B (en) * | 2014-02-10 | 2015-06-17 | 中交公路规划设计院有限公司 | Double-layer interchange tunnel |
| CN103993905B (en) * | 2014-05-27 | 2016-04-06 | 中国铁路总公司 | A kind of railway tunnel is taken precautions against natural calamities emergency access |
| CN104895579B (en) * | 2015-06-17 | 2017-01-04 | 上海市城市建设设计研究总院 | Energy-saving underground road structure |
| CN105257314A (en) * | 2015-11-11 | 2016-01-20 | 合肥工业大学 | Monotube three-layer shield tunnel |
| CN106246217A (en) * | 2016-08-23 | 2016-12-21 | 招商局重庆交通科研设计院有限公司 | Single hole two-way traffic vcehicular tunnel escape and rescue structure |
| CN106436513A (en) * | 2016-10-17 | 2017-02-22 | 上海市政工程设计研究总院（集团）有限公司 | Round tunnel double-decked lane frame structured system and fully-prefabricated construction method thereof |
| CN109707395B (en) * | 2019-01-17 | 2024-01-16 | 中铁第四勘察设计院集团有限公司 | Double-layer shield tunnel with upper and lower layer discharge flues and discharge flue setting method |
| CN110566222A (en) * | 2019-06-28 | 2019-12-13 | 中铁第四勘察设计院集团有限公司 | highway double-deck shield tunnel section structure |
| CN110645001A (en) * | 2019-09-24 | 2020-01-03 | 中铁十六局集团有限公司 | Construction method for expanding and digging existing transverse channel into air channel |
| CN111720152B (en) * | 2020-06-10 | 2022-02-01 | 中铁第五勘察设计院集团有限公司 | Tunnel smoke exhaust system and tunnel smoke exhaust control method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1470743A (en) * | 2003-04-28 | 2004-01-28 | 上海市隧道工程轨道交通设计研究院 | Single-pipe circular tunnel two-layer structure construction method |
| CN2607446Y (en) * | 2003-03-04 | 2004-03-24 | 上海市隧道工程轨道交通设计研究院 | Single pipe round tunnel double-layer structure |
| CN1247877C (en) * | 2003-03-04 | 2006-03-29 | 上海市隧道工程轨道交通设计研究院 | Single-pipe circular tunnel two-layer structure |
| KR20060127465A (en) * | 2005-06-07 | 2006-12-13 | 주식회사 경동건설 | Shield type complex exvavator of multi-direction |
| JP2008025305A (en) * | 2006-07-25 | 2008-02-07 | Ihi Corp | Tunnel construction method and tunnel structure |
| CN201407052Y (en) * | 2009-05-15 | 2010-02-17 | 中铁第四勘察设计院集团有限公司 | Dual-layer shield tunnel |
-
2009
- 2009-05-15 CN CN2009100620747A patent/CN101560881B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2607446Y (en) * | 2003-03-04 | 2004-03-24 | 上海市隧道工程轨道交通设计研究院 | Single pipe round tunnel double-layer structure |
| CN1247877C (en) * | 2003-03-04 | 2006-03-29 | 上海市隧道工程轨道交通设计研究院 | Single-pipe circular tunnel two-layer structure |
| CN1470743A (en) * | 2003-04-28 | 2004-01-28 | 上海市隧道工程轨道交通设计研究院 | Single-pipe circular tunnel two-layer structure construction method |
| KR20060127465A (en) * | 2005-06-07 | 2006-12-13 | 주식회사 경동건설 | Shield type complex exvavator of multi-direction |
| JP2008025305A (en) * | 2006-07-25 | 2008-02-07 | Ihi Corp | Tunnel construction method and tunnel structure |
| CN201407052Y (en) * | 2009-05-15 | 2010-02-17 | 中铁第四勘察设计院集团有限公司 | Dual-layer shield tunnel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101560881A (en) | 2009-10-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101560881B (en) | Double-layer shield tunnel | |
| CN201407052Y (en) | Dual-layer shield tunnel | |
| CN203476345U (en) | Multifunctional multilayer municipal tunnel | |
| CN103939124B (en) | One single-tube double-layer shield traffic tunnel ventilation smoke exhaust and evacuating system under water | |
| CN201460962U (en) | Emergency evacuation and rescue system for two-lane railway round tunnel | |
| CN203867603U (en) | Smoke control structure in subway station wiring region | |
| CN108952798B (en) | A kind of railway breakdown station with smoke controlling and personnel's emergency evacuation function | |
| CN201581920U (en) | Emergency evacuation and rescue system of side gallery arranged on single-line rail transportation tunnel | |
| CN202017511U (en) | Natural ventilation and smoke discharge system of urban rail transit interval tunnel | |
| CN201599052U (en) | Emergency evacuation and rescue system of double-track railway circular tunnel with mid partition wall | |
| CN203685276U (en) | Emergent rescue station for double single-track railway tunnels | |
| CN201835860U (en) | Fixed-point rescue station of railway tunnel | |
| CN204002896U (en) | One-tunnel one-track subway tunnel natural ventilating structure | |
| CN105257314A (en) | Monotube three-layer shield tunnel | |
| CN108952788A (en) | A kind of method of underground station train fire ventilation smoke exhaust | |
| CN102381317A (en) | Escape way for emergency evacuation | |
| CN207131443U (en) | Under extra-long railway tunnel vertical shaft pattern Rescue Station take precautions against natural calamities ventilation and smoke evacuation system | |
| CN111911222A (en) | Smoke discharge rescue system for double-line tunnel and construction method | |
| CN101886359A (en) | Solution to series of problems of urban road traffic in saturated condition of total number of private cars | |
| CN107388466A (en) | Underground traffic ventilation smoke extraction system | |
| CN205654372U (en) | Section tunnel people evacuation rescues access structure and smoking control system under water | |
| CN101892845B (en) | Five-hole and four-path railway underwater tunnel and construction method thereof | |
| JP7128251B2 (en) | Fire ventilation and smoke exhaust system and method for tunnels with long and large sections in subways running through rivers or seas | |
| CN203685273U (en) | Emergent rescue station for double separately-constructed extra-long railway tunnel | |
| CN114737990A (en) | Tunnel short-range smoke exhaust method, smoke exhaust structure and control and construction method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |