CN112855254A - Structure of super-long submarine shield method highway tunnel escape system and construction method thereof - Google Patents
Structure of super-long submarine shield method highway tunnel escape system and construction method thereof Download PDFInfo
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- CN112855254A CN112855254A CN202110140873.2A CN202110140873A CN112855254A CN 112855254 A CN112855254 A CN 112855254A CN 202110140873 A CN202110140873 A CN 202110140873A CN 112855254 A CN112855254 A CN 112855254A
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000010276 construction Methods 0.000 title claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 81
- 230000001174 ascending effect Effects 0.000 claims abstract description 20
- 238000005192 partition Methods 0.000 claims abstract description 18
- 238000009795 derivation Methods 0.000 claims description 4
- 230000008014 freezing Effects 0.000 claims description 3
- 238000007710 freezing Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000009412 basement excavation Methods 0.000 abstract description 6
- 238000004891 communication Methods 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- 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
- E21F11/00—Rescue devices or other safety devices, e.g. safety chambers or escape ways
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- 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
-
- 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
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/103—Dams, e.g. for ventilation
- E21F17/12—Dam doors
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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)
- Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Pulmonology (AREA)
- Environmental & Geological Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a structure of a super-long submarine shield method highway tunnel escape system and a construction method thereof, wherein the structure comprises the following components: the ascending shield tunnel and the descending shield tunnel are arranged in the same direction; the advanced detection shield tunnel is arranged between the uplink shield tunnel and the downlink shield tunnel side by side, a plurality of emergency stop belts are arranged in the advanced detection shield tunnel along the length direction of the advanced detection shield tunnel, the uplink shield tunnel and the downlink shield tunnel are respectively connected with the advanced detection shield tunnel through a plurality of leading-in passages and a plurality of leading-out passages, the leading-in passages are communicated with the inlet ends of the emergency stop belts, and the leading-out passages are communicated with the outlet ends of the emergency stop belts; the leading-in channel and the leading-out channel are respectively provided with the electric fireproof doors; and the electric partition doors are arranged in the advanced detection shield tunnel. The invention solves the problems that the shield excavation diameter is enlarged and the cost is high due to the reserved emergency parking area space on the section of the super-long submarine highway tunnel by the shield method.
Description
Technical Field
The invention relates to the technical field of shield construction, in particular to a structure of an overlength submarine shield method highway tunnel escape system and a construction method thereof.
Background
The emergency stop zones are required to be arranged every 750m for the highway tunnels, the emergency stop zones are usually arranged on open excavation sections at two ends of the highway tunnels in the shield method at present due to the limitation of tunnel space, however, for the submarine highway tunnels with the shield method being overlong (the length of the submarine highway tunnels exceeds 750 meters), the tunnel sections do not have the condition of arranging a working well, the emergency stop zones are difficult to construct, if the space of the emergency stop zones is reserved on the shield section, the shield excavation diameter needs to be enlarged, the economy is poor, and the cost is high.
Disclosure of Invention
In order to overcome the defects in the prior art, the structure of the overlength submarine shield method highway tunnel escape system and the construction method thereof are provided, so that the problems that the shield excavation diameter is increased and the cost is high due to the fact that an emergency parking area space is reserved on the section of the overlength submarine shield method highway tunnel are solved.
In order to achieve the above object, there is provided a structure of an overlength submarine shield method highway tunnel escape system, comprising:
an ascending shield tunnel;
the descending shield tunnel is arranged in the same direction as the ascending shield tunnel;
the advanced detection shield tunnel is arranged between the uplink shield tunnel and the downlink shield tunnel side by side, a plurality of emergency stop zones are arranged in the advanced detection shield tunnel along the length direction of the advanced detection shield tunnel, the uplink shield tunnel and the downlink shield tunnel are respectively connected with the advanced detection shield tunnel through a plurality of leading-in channels and a plurality of leading-out channels, the leading-in channels are communicated with the inlet ends of the emergency stop zones, and the leading-out channels are communicated with the outlet ends of the emergency stop zones; and
the electric fireproof door is arranged in the leading-in channel and the leading-out channel respectively;
and the electric partition doors are arranged in the advanced detection shield tunnel.
The system comprises an ascending shield tunnel, a descending shield tunnel, a working well, a first road structure and a second road structure, wherein the working well is arranged at two ends of the ascending shield tunnel and the descending shield tunnel, the first road structure in the ascending shield tunnel and the second road structure in the descending shield tunnel extend into the working well respectively, and the first road structure and the second road structure are arranged in the working well in a crossed mode and are connected to road surface structures of land roads respectively.
Furthermore, the electric partition doors are respectively arranged outside the inlet end and the outlet end of the emergency parking belt.
Further, the leading-in channel and the leading-out channel are respectively arranged obliquely.
Further, the air pressure in the uplink shield tunnel and the air pressure in the downlink shield tunnel are respectively smaller than the air pressure in the advanced detection shield tunnel.
Furthermore, the leading-in channel and the leading-out channel respectively adopt a freezing method underground excavation construction process.
The invention provides a construction method of a structure of a road tunnel escape system by an ultralong submarine shield method, which comprises the following steps:
constructing an advanced detection shield tunnel along the length direction of the structure of the overlength submarine shield method highway tunnel escape system, and detecting submarine geological conditions in the construction process of the advanced detection shield tunnel so as to provide detailed geological information for the construction of an uplink shield tunnel and a downlink shield tunnel;
a plurality of emergency stop belts arranged along the length direction of the advanced detection shield tunnel are arranged in the advanced detection shield tunnel;
constructing the uplink shield tunnel and the downlink shield tunnel side by side on two opposite sides of the advanced detection shield tunnel, and constructing an introduction channel and a derivation channel between the uplink shield tunnel and the advanced detection shield tunnel and between the downlink shield tunnel and the advanced detection shield tunnel respectively when the advanced detection shield tunnel and the advanced detection shield tunnel are constructed to the position of the emergency stop zone, so that the introduction channel is communicated with the inlet end of the emergency stop zone, and the derivation channel is communicated with the outlet end of the emergency stop zone;
the electric fireproof doors are respectively arranged in the leading-in channel and the leading-out channel;
and installing a plurality of electric partition doors in the region outside the emergency stop zone of the advanced detection shield tunnel.
The invention has the beneficial effects that the structure of the road tunnel escape system adopting the ultra-long submarine shield method provided by the embodiment of the invention is characterized in that an advanced detection tunnel is arranged between an uplink shield tunnel and a downlink shield tunnel, the advanced detection shield tunnel is constructed before the downlink shield tunnel and the uplink shield tunnel, and the submarine geological condition is detected in the construction process of the advanced detection shield tunnel so as to provide detailed geological information for the construction of the uplink shield tunnel and the downlink shield tunnel. On the other hand, the advanced detection tunnel is connected with the uplink shield tunnel and the downlink shield tunnel through the leading-in channel and the leading-out channel to serve as a communication channel and an emergency stop zone, the emergency stop and communication channel escape functions are achieved, and the setting requirements of the communication channel and the emergency stop zone of the shield-method ultra-long submarine highway tunnel are met. In addition, the advanced detection shield tunnel is used through the cooperation of the electric fireproof door and the electric partition door, the function switching under different emergency working conditions can be performed by opening and closing the electric fireproof door and the electric partition door in different areas under the regulation and control of the intelligent control system, and the functions of vehicle evacuation, personnel evacuation and rapid arrival of rescue vehicles under the accident working condition and the fire working condition are realized.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a structure of an ultra-long submarine shield method highway tunnel escape system according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view taken at a-a in fig. 1.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1 is a schematic structural view of a structure of an ultra-long submarine shield method highway tunnel escape system according to an embodiment of the present invention, and fig. 2 is a sectional view taken at a-a in fig. 1.
Referring to fig. 1 and 2, the present invention provides a structure of an ultra-long submarine shield method highway tunnel escape system, including: the device comprises an uplink shield tunnel 1, a downlink shield tunnel 2, an advanced detection shield tunnel 3, an electric fireproof door 4 and a plurality of electric partition doors 5.
The downlink shield tunnel 2 and the uplink shield tunnel 1 are arranged in the same direction.
The advanced detection shield tunnel 3 is arranged between the uplink shield tunnel 1 and the downlink shield tunnel 2 in parallel.
A plurality of emergency stop zones 30 are arranged in the advanced detection shield tunnel 3 along the length direction of the advanced detection shield tunnel 3. The emergency stop belt 30 has an inlet end and an outlet end.
The ascending shield tunnel 1 and the advanced detection shield tunnel 3 are connected with a plurality of leading-in passages 31 and a plurality of leading-out passages 32. The downlink shield tunnel 2 and the advanced detection shield tunnel 3 are connected with a plurality of leading-in passages 31 and a plurality of leading-out passages 32. The introducing passage 31 is connected to an inlet end of the emergency stop belt 30, and the discharging passage 32 is connected to an outlet end of the emergency stop belt 30.
The electric fireproof door 4 is installed in each of the introduction passage 31 and the discharge passage 32.
The electric partition door 5 is arranged in the advanced detection shield tunnel 3.
The starting of the emergency stop zone of the structure of the ultra-long submarine shield method highway tunnel escape system is explained by taking the emergency stop zone as an example. Specifically, the emergency vehicle belt of the structure of the ultra-long submarine shield method highway tunnel escape system is arranged by closing the electric partition doors outside the two ends of the emergency stop belt, opening the electric fireproof doors in the inlet channel of the emergency stop belt and the outlet channel of the emergency stop belt, and then opening the electric fireproof doors.
When fire, car accident and other emergencies occur, the emergency vehicle can quickly reach the emergency point through the cooperation of the electric fireproof door and the electric partition door, and the emergency vehicle can quickly respond to the emergency. Specifically, all electric partition doors from the starting point of the emergency vehicle in the advanced detection tunnel to the occurrence point of the emergency are opened to open the advanced detection tunnel in the section; and closing the electric fireproof doors in the inlet channels of the inlet ends of all the emergency stop belts in the middle of the section and the outlet channels of the outlet ends of the emergency stop belts so as to prevent the social vehicles from entering the advanced detection tunnel of the section. After the emergency vehicle reaches the emergency occurrence point, the electric fireproof doors in the leading-in channels of the inlet ends of all emergency stop belts or the leading-out channels of the outlet ends of the emergency stop belts in the area corresponding to the emergency occurrence point are opened, so that the emergency vehicle can quickly enter the emergency occurrence point in the uplink shield tunnel or the downlink shield tunnel, and the quick response, processing and emergency treatment of the emergency are further realized.
The invention relates to a structure of a road tunnel escape system by an ultra-long submarine shield method, wherein an advanced detection tunnel is arranged between an uplink shield tunnel and a downlink shield tunnel, the advanced detection shield tunnel is constructed before the downlink shield tunnel and the uplink shield tunnel, and submarine geological conditions are detected in the construction process of the advanced detection shield tunnel so as to provide detailed geological information for the construction of the uplink shield tunnel and the downlink shield tunnel. On the other hand, the advanced detection tunnel is connected with the uplink shield tunnel and the downlink shield tunnel through the leading-in channel and the leading-out channel to serve as a communication channel and an emergency stop zone, the emergency stop and communication channel escape functions are achieved, and the setting requirements of the communication channel and the emergency stop zone of the shield-method ultra-long submarine highway tunnel are met. In addition, the advanced detection shield tunnel is used through the cooperation of the electric fireproof door and the electric partition door, the function switching under different emergency working conditions can be performed by opening and closing the electric fireproof door and the electric partition door in different areas under the regulation and control of the intelligent control system, and the functions of vehicle evacuation, personnel evacuation and rapid arrival of rescue vehicles under the accident working condition and the fire working condition are realized.
As a preferred embodiment, the structure of the ultra-long submarine shield method highway tunnel escape system comprises a working well 6. The working well 6 is arranged at two ends of the ascending shield tunnel 1 and the descending shield tunnel 2. Specifically, the first road structure 11 in the ascending shield tunnel 1 and the second road structure 21 in the descending shield tunnel 2 extend into the working well 6 respectively. The first road structure 11 and the second road structure 21 are arranged crosswise in the working well 6 and are connected to the road structures of the land highway 7, respectively. The crossed road surface structure is arranged in the working well, so that the ascending road surface structure and the descending road surface structure of the land highway can exchange positions with the descending shield tunnel after entering the submarine highway tunnel structure, the emergency stop zone is always arranged on the right side of the advancing direction of the vehicle, the ascending vehicle and the descending vehicle can share the same advanced detection tunnel, the emergency stop zone is arranged in the advanced detection tunnel, and the construction cost of the submarine highway tunnel is reduced.
In a preferred embodiment, the outside of the inlet and outlet ends of the emergency stop belt 30 are provided with electric partition doors 5, respectively.
The leading-in channel 31 entering the emergency stop zone and the leading-out channel 32 exiting the emergency stop zone are respectively and obliquely arranged, so that vehicles running at high speed are prevented from greatly steering, and the running safety of the submarine highway tunnel is improved.
As a preferred embodiment, the air pressure in the ascending shield tunnel 1 and the air pressure in the descending shield tunnel 2 are respectively smaller than the air pressure in the advanced detection shield tunnel 3. Ventilators are respectively arranged in the uplink shield tunnel 1, the downlink shield tunnel 2 and the advanced detection shield tunnel 3, and the air pressure in the advanced detection shield tunnel 3 is always kept to be larger than the air pressure in the uplink shield tunnel 1 and the air pressure in the downlink shield tunnel 2. After a fire disaster occurs, the advanced detection shield tunnel adopts an independent ventilation system, so that the air pressure in the advanced detection shield tunnel is always higher than the air pressure held by the uplink shield tunnel and the downlink shield tunnel, and smoke is prevented from entering the advanced detection shield tunnel after the fire disaster.
The leading-in channel 31 and the leading-out channel 32 respectively adopt a freezing method underground excavation construction process.
The invention provides a construction method of a structure of a road tunnel escape system by an ultralong submarine shield method, which comprises the following steps:
s1: the advanced detection shield tunnel 3 is constructed along the length direction of the structure of the overlength submarine shield method highway tunnel escape system, and submarine geological conditions are detected in the construction process of the advanced detection shield tunnel 3 so as to provide detailed geological information for the construction of the uplink shield tunnel 1 and the downlink shield tunnel 2.
S2: a plurality of emergency stop zones 30 are provided in the advanced detection shield tunnel 3 along the length direction of the advanced detection shield tunnel 3.
S3: an ascending shield tunnel 1 and a descending shield tunnel 2 are constructed side by side on two opposite sides of an advanced detection shield tunnel 3, and when the advanced detection shield tunnel 3 is constructed to the position of an emergency stop zone 30, an introducing channel 31 and an exporting channel 32 are respectively constructed between the ascending shield tunnel 1 and the advanced detection shield tunnel 3 and between the descending shield tunnel 2 and the advanced detection shield tunnel 3, so that the introducing channel 31 is communicated with the inlet end of the emergency stop zone 30, and the exporting channel 32 is communicated with the outlet end of the emergency stop zone 30.
In this embodiment, the diameter of the advanced detection shield tunnel 3 is smaller than the diameter of the uplink shield tunnel 1 and the diameter of the downlink shield tunnel 2. The diameter of the ascending shield tunnel 1 is matched with the diameter of the descending shield tunnel 2.
The method comprises the following steps of firstly carrying out jacking construction on a middle advanced detection shield tunnel, and splicing special pipe pieces at the designed position of a first-aid parking belt in the advanced detection shield tunnel and pipe pieces of a leading-in channel and a leading-out channel at the communication positions of an uplink shield tunnel and a downlink shield tunnel by adopting through seams.
S4: the electrically operated fire door 4 is installed in each of the introduction path 31 and the discharge path 32.
S5: a plurality of electric partition doors 5 are installed in an area outside the emergency stop zone 30 of the advanced detection shield tunnel 3.
When the tunnel (the ascending shield tunnel or the descending shield tunnel) is blocked by an accident, the advanced detection shield tunnel can be used for carrying out traffic relief, the detour channel is opened in a short period, related vehicles can avoid the accident area through the advanced detection shield tunnel, and related rescue vehicles can also be rescued to the accident site through the emergency tunnel quickly.
When the tunnel is in fire, the advanced detection shield tunnel can be used as a refuge walkway, and the leading-in passage and the leading-out passage between the advanced detection shield tunnel and the uplink shield tunnel or the downlink shield tunnel are separated by an electric fireproof door (a fireproof rolling door). And the fireproof rolling door automatically falls down after the fire occurs in the tunnel.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (7)
1. The utility model provides a structure of overlength submarine shield method highway tunnel system of fleing which characterized in that includes:
an ascending shield tunnel;
the descending shield tunnel is arranged in the same direction as the ascending shield tunnel;
the advanced detection shield tunnel is arranged between the uplink shield tunnel and the downlink shield tunnel side by side, a plurality of emergency stop zones are arranged in the advanced detection shield tunnel along the length direction of the advanced detection shield tunnel, the uplink shield tunnel and the downlink shield tunnel are respectively connected with the advanced detection shield tunnel through a plurality of leading-in channels and a plurality of leading-out channels, the leading-in channels are communicated with the inlet ends of the emergency stop zones, and the leading-out channels are communicated with the outlet ends of the emergency stop zones; and
the electric fireproof door is arranged in the leading-in channel and the leading-out channel respectively;
and the electric partition doors are arranged in the advanced detection shield tunnel.
2. The structure of the overlength submarine shield method highway tunnel escape system according to claim 1, further comprising working wells disposed at both ends of the ascending shield tunnel and the descending shield tunnel, wherein a first road structure in the ascending shield tunnel and a second road structure in the descending shield tunnel extend into the working wells, respectively, and the first road structure and the second road structure are disposed in the working wells in a crossing manner and are connected to road structures of terrestrial highways, respectively.
3. The structure of an ultra-long submarine shield method highway tunnel escape system according to claim 1, wherein the electric partition doors are respectively provided outside the entrance end and the exit end of the emergency stop zone.
4. The structure of an escape system for a shield-tunneling highway tunnel according to claim 1, wherein the introducing passageway and the discharging passageway are respectively disposed obliquely.
5. The structure of the overlength submarine shield method highway tunnel escape system according to claim 1, wherein the air pressure in the uplink shield tunnel and the air pressure in the downlink shield tunnel are respectively less than the air pressure in the advanced detection shield tunnel.
6. The structure of the overlength submarine shield method highway tunnel escape system according to claim 1 wherein said ingress path and said egress path each employ a freezing method undercut construction process.
7. A construction method of a structure of an ultra-long submarine shield method highway tunnel escape system according to any one of claims 1-6, comprising the steps of:
constructing an advanced detection shield tunnel along the length direction of the structure of the overlength submarine shield method highway tunnel escape system, and detecting submarine geological conditions in the construction process of the advanced detection shield tunnel so as to provide detailed geological information for the construction of an uplink shield tunnel and a downlink shield tunnel;
a plurality of emergency stop belts arranged along the length direction of the advanced detection shield tunnel are arranged in the advanced detection shield tunnel;
constructing the uplink shield tunnel and the downlink shield tunnel side by side on two opposite sides of the advanced detection shield tunnel, and constructing an introduction channel and a derivation channel between the uplink shield tunnel and the advanced detection shield tunnel and between the downlink shield tunnel and the advanced detection shield tunnel respectively when the advanced detection shield tunnel and the advanced detection shield tunnel are constructed to the position of the emergency stop zone, so that the introduction channel is communicated with the inlet end of the emergency stop zone, and the derivation channel is communicated with the outlet end of the emergency stop zone;
the electric fireproof doors are respectively arranged in the leading-in channel and the leading-out channel;
and installing a plurality of electric partition doors in the region outside the emergency stop zone of the advanced detection shield tunnel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110140873.2A CN112855254A (en) | 2021-02-02 | 2021-02-02 | Structure of super-long submarine shield method highway tunnel escape system and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110140873.2A CN112855254A (en) | 2021-02-02 | 2021-02-02 | Structure of super-long submarine shield method highway tunnel escape system and construction method thereof |
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| CN112855254A true CN112855254A (en) | 2021-05-28 |
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| CN202110140873.2A Pending CN112855254A (en) | 2021-02-02 | 2021-02-02 | Structure of super-long submarine shield method highway tunnel escape system and construction method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201412160Y (en) * | 2009-06-02 | 2010-02-24 | 中铁第四勘察设计院集团有限公司 | Single-cave and double-line subway tunnel |
| CN101892845A (en) * | 2010-01-26 | 2010-11-24 | 中铁第四勘察设计院集团有限公司 | Five-hole and four-path railway underwater tunnel and construction method thereof |
| CN201756966U (en) * | 2010-01-26 | 2011-03-09 | 中铁第四勘察设计院集团有限公司 | Three-hole double-line railway underwater tunnel |
| CN202690109U (en) * | 2012-05-28 | 2013-01-23 | 中交第一公路勘察设计研究院有限公司 | Fireproof fan system at cross aisle of tunnel |
| JP2014174826A (en) * | 2013-03-11 | 2014-09-22 | Railway Technical Research Institute | Decision-making support method for evacuation guidance in railroad train fire |
| CN110985039A (en) * | 2019-12-20 | 2020-04-10 | 中国铁路设计集团有限公司 | Three-hole parallel magnetic levitation vacuum tunnel structure |
-
2021
- 2021-02-02 CN CN202110140873.2A patent/CN112855254A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201412160Y (en) * | 2009-06-02 | 2010-02-24 | 中铁第四勘察设计院集团有限公司 | Single-cave and double-line subway tunnel |
| CN101892845A (en) * | 2010-01-26 | 2010-11-24 | 中铁第四勘察设计院集团有限公司 | Five-hole and four-path railway underwater tunnel and construction method thereof |
| CN201756966U (en) * | 2010-01-26 | 2011-03-09 | 中铁第四勘察设计院集团有限公司 | Three-hole double-line railway underwater tunnel |
| CN202690109U (en) * | 2012-05-28 | 2013-01-23 | 中交第一公路勘察设计研究院有限公司 | Fireproof fan system at cross aisle of tunnel |
| JP2014174826A (en) * | 2013-03-11 | 2014-09-22 | Railway Technical Research Institute | Decision-making support method for evacuation guidance in railroad train fire |
| CN110985039A (en) * | 2019-12-20 | 2020-04-10 | 中国铁路设计集团有限公司 | Three-hole parallel magnetic levitation vacuum tunnel structure |
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Application publication date: 20210528 |