CN108729940A - The ventilation smoke exhaust channel setting method of taking precautions against natural calamities of ultra-long deep-buried separate tunnel - Google Patents
The ventilation smoke exhaust channel setting method of taking precautions against natural calamities of ultra-long deep-buried separate tunnel Download PDFInfo
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- CN108729940A CN108729940A CN201810289928.4A CN201810289928A CN108729940A CN 108729940 A CN108729940 A CN 108729940A CN 201810289928 A CN201810289928 A CN 201810289928A CN 108729940 A CN108729940 A CN 108729940A
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- tunnel
- ultra
- air duct
- main air
- long deep
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- 238000009423 ventilation Methods 0.000 title claims abstract description 19
- 239000000779 smoke Substances 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000010276 construction Methods 0.000 claims description 25
- 238000009412 basement excavation Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000005641 tunneling Effects 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
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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)
- Ventilation (AREA)
- Duct Arrangements (AREA)
Abstract
A kind of ventilation smoke exhaust channel setting method of taking precautions against natural calamities of ultra-long deep-buried separate tunnel, design liaison main air duct, parallel main air duct and vertical shaft type get in touch with flue on the basis of original service gallery, in the case of can not being constructed in ultra-long deep-buried tunnel to the vertical shaft on ground, the smog assembled in air-flow discharge main tunnel can be smoothly organized, condition is provided for subsequent rescue work.
Description
Technical field：
The present invention relates to tunneling and underground engineering technical field of construction, taking precautions against natural calamities for especially a kind of ultra-long deep-buried separate tunnel is logical
Wind discharge flue setting method.
Background technology：
In recent years, with the quickening of development of the West Regions construction, the Transportation Infrastructure Construction in China is developed rapidly, iron
Road tunnel is also carried out towards speciality, buried direction, after tunnel is built up, substantially increases conevying efficiency.It is single since length of tunnel is big
From both ends, speed of application is too slow, the requirement that cannot meet construction speed and be open to traffic.Therefore, service gallery in varying numbers is set
Realize long tunnel hand-to-hand fight in tights, after the completion of constructing tunnel, service gallery usually all carries out permanent closure.Extra Long Tunnel Construction due to away from
From too long, unidirectional slope, which is arranged, cannot meet construction requirement, and open roof is usually arranged so that tunnel centre position elevation is higher than two
End, cause to generate pernicious gas substance is built up herein, harmful gas such as flue dust that especially burst fire generates in later stage operation
Body is built up herein, is used for daily permanent ventilation of tunnel although longitudinal longitudinal ventilation with jetblower is arranged in tunnel, once tunnel somewhere
Fire occurs, the toxic and harmful gas of generation will diffuse into entire tunnel, be unfavorable for personnel escape and rescue work, efficiency compared with
It is low, it cannot exclude in time, influence the follow-up works such as the rescue in tunnel.
Invention content：
Above-mentioned in order to overcome the shortcomings of, the present invention provides a kind of ventilation smoke exhaust channels of taking precautions against natural calamities of ultra-long deep-buried separate tunnel to set
Set method, can happen suddenly in tunnel fire in the case of effectively organize distinguished and admirable rapid exclusion fire flue dust, be personnel escape
And subsequent rescue work provides condition.
The technical solution adopted by the present invention to solve the technical problems：
A kind of ventilation smoke exhaust channel setting method of taking precautions against natural calamities of ultra-long deep-buried separate tunnel, includes the following steps：
A, after the completion of the left and right line construction of ultra-long deep-buried separate tunnel, it is located at the auxiliary hole near tunnel main tunnel knick point position
Road is reserved as alternate channel and is not closed, and is joined not less than opening is arranged at 50m distances away from tunnel main tunnel in service gallery
The preparation of construction of network main air duct；
B, the lateral part of contact main air duct is excavated according to not less than the plane where 3% gradient to ultra-long deep-buried separate tunnel,
Get in touch with main air duct longitudinal component towards ultra-long deep-buried separate tunnel main tunnel two-wire top-direction excavate, until with ultra-long deep-buried
It is not less than the height and position of 15m between at the top of separate tunnel main tunnel two-wire, gets in touch with lateral part and the longitudinal component of main air duct
It is attached with the curved channel that radius is 50 meters；
C, after the longitudinal component construction in place of contact main air duct, to both sides along be parallel to the direction of ultra-long deep-buried separate tunnel into
Row construction, the channel constructed out is parallel main air duct；
D, after the completion of the construction of parallel main air duct, inside the parallel main air duct at the top of ultra-long deep-buried separate tunnel or so line by not
Spacing construction shaft formula less than 50m gets in touch with flue, until lining cutting position at the top of ultra-long deep-buried separate tunnel or so line；
E, after the completion of the construction of vertical shaft type contact flue, the vault lining cutting of ultra-long deep-buried separate tunnel is got in touch with cigarette according to vertical shaft type
The sectional dimension in road is cut, with tunnel holing through；
F, after the completion of construction, in tunnel, axis stream is arranged in service gallery, contact main air duct, parallel main air duct and vertical shaft type discharge flue
Wind turbine, then while encountering emergency case, start wind turbine vapour discharge, and fresh wind is under the action of pressure difference from the positive hole in tunnel both ends
Into realizing quick ventilation smoke exhaust.
The vertical shaft type contact flue is divided into lateral part and longitudinal component, and two parts are connected with curved channel.
The lateral part of vertical shaft type contact flue is vertical with parallel main air duct, and with the longitudinal component of getting in touch with main air duct
Vertically.
The longitudinal component of vertical shaft type contact flue is parallel with the longitudinal component of main air duct is got in touch with, but with parallel main air duct
Vertically.
The section of the contact main air duct is to open face area not less than 4.5m × 4.5m, and arch is arranged in top.
The section of the parallel main air duct is to open face area not less than 4.5m × 4.5m, and arch is arranged in top.
The section of the vertical shaft type contact flue is the excavation area not less than diameter 5m.
Due to using technical solution as described above, the present invention that there is following superiority：
A kind of ventilation smoke exhaust channel setting method of taking precautions against natural calamities of ultra-long deep-buried separate tunnel, can not construct in ultra-long deep-buried tunnel
To ground vertical shaft in the case of, can smoothly organize air-flow discharge main tunnel in assemble smog, provide item for subsequent work
Part.
Description of the drawings：
Fig. 1 is the floor map of the present invention；
Fig. 2 is the diagrammatic cross-section of the present invention；
Fig. 3 is the parallel main air duct and ultra-long deep-buried separate tunnel position relationship diagrammatic cross-section of the present invention；
Fig. 4 is the parallel main air duct and ultra-long deep-buried separate tunnel position relationship floor map of the present invention；
In figure：1, ultra-long deep-buried separate tunnel；2, service gallery；3, main air duct is got in touch with；4, parallel main air duct；5, vertical shaft type joins
Network flue；6, station passage.
Specific implementation mode：
The present invention can be explained in more detail by following example, the open purpose of the present invention is intended in the protection scope of the invention
All changes and improvements, the invention is not limited in the following examples；
A kind of ventilation smoke exhaust channel setting method of taking precautions against natural calamities of ultra-long deep-buried separate tunnel in conjunction with described in attached drawing, including walk as follows
Suddenly：
A, after the completion of the left and right line construction of ultra-long deep-buried separate tunnel 1, the auxiliary near tunnel main tunnel knick point position
Tunnel 2 is reserved as alternate channel and is not closed, and away from opening is arranged at tunnel main tunnel 70m distances in service gallery 2, is got in touch with
The preparation of construction of main air duct 3；
B, the lateral part of contact main air duct 3 is excavated according to the plane where 4.95% gradient to ultra-long deep-buried separate tunnel 1,
The longitudinal component for getting in touch with main air duct 3 is excavated towards 1 main tunnel two-wire top-direction of ultra-long deep-buried separate tunnel, until deep with speciality
The height and position of 25m between burying at the top of 1 main tunnel two-wire of separate tunnel, get in touch with the lateral part of main air duct 3 and longitudinal component with
Radius is that 50 meters of curved channel is attached；
C, after the longitudinal component construction in place of contact main air duct 3, to both sides along the direction for being parallel to ultra-long deep-buried separate tunnel 1
It constructs, the channel constructed out is parallel main air duct 4；
D, after the completion of parallel main air duct 4 is constructed, at the top of 1 or so line of ultra-long deep-buried separate tunnel inside the parallel main air duct 4
Flue 5 is got in touch with by the spacing construction shaft formula of 70m, until lining cutting position at the top of 1 or so line of ultra-long deep-buried separate tunnel；
E, after the completion of vertical shaft type contact flue 5 is constructed, the vault lining cutting of ultra-long deep-buried separate tunnel 1 is got in touch with according to vertical shaft type
The sectional dimension of flue 5 is cut, with tunnel holing through；
F, after the completion of construction, in tunnel, service gallery 2, contact main air duct 3, parallel main air duct 4 and vertical shaft type discharge flue 5 are arranged
Axial flow blower, then while encountering emergency case, start wind turbine vapour discharge, and fresh wind is rectified under the action of pressure difference from tunnel two
Hole enters, and realizes that quick ventilation smoke exhaust, passenger can outward be withdrawn by station passage 6.
Vertical shaft type contact flue 5 divides for lateral part and longitudinal component, and two parts are connected with curved channel.
The lateral part of vertical shaft type contact flue 5 is vertical with parallel main air duct 4, and with the longitudinal direction of getting in touch with main air duct 3
Part is vertical.
The longitudinal component of vertical shaft type contact flue 5 is parallel with the longitudinal component of main air duct 3 is got in touch with, but with parallel main wind
Road 4 is vertical.
The section of the contact main air duct 3 is to open face area not less than 4.5m × 4.5m, and arch is arranged in top.
The section of the parallel main air duct 4 is to open face area not less than 4.5m × 4.5m, and arch is arranged in top.
The excavation area that the section of the vertical shaft type contact flue 5 is diameter 6m.
It is the prior art not state part in the above content carefully, therefore does not run business into particular one and state.
Claims (7)
1. a kind of ventilation smoke exhaust channel setting method of taking precautions against natural calamities of ultra-long deep-buried separate tunnel, it is characterised in that：Including walking as follows
Suddenly：
A, ultra-long deep-buried separate tunnel（1）The construction of left and right line after the completion of, be located at auxiliary near tunnel main tunnel knick point position
Help tunnel（2）It reserves and does not close as alternate channel, in service gallery（2）It is interior to be arranged not less than at 50m distances away from tunnel main tunnel
Opening, carries out contact main air duct（3）Preparation of construction；
B, main air duct is got in touch with（3）Lateral part according to not less than 3% gradient to ultra-long deep-buried separate tunnel（1）It puts down at place
Face is excavated, and main air duct is got in touch with（3）Longitudinal component towards ultra-long deep-buried separate tunnel（1）Main tunnel two-wire top-direction is excavated,
Until with ultra-long deep-buried separate tunnel（1）It is not less than the height and position of 15m between at the top of main tunnel two-wire, gets in touch with main air duct（3）
Lateral part and longitudinal component be attached with the curved channel that radius is 50 meters；
C, main air duct is got in touch with（3）Longitudinal component construction in place after, to both sides along being parallel to ultra-long deep-buried separate tunnel（1）'s
Direction is constructed, and the channel constructed out is parallel main air duct（4）；
D, parallel main air duct（4）After the completion of construction, in parallel main air duct（4）Inside is to ultra-long deep-buried separate tunnel（1）Left and right
At the top of line flue is got in touch with by the spacing construction shaft formula not less than 50m（5）, until ultra-long deep-buried separate tunnel（1）Left and right line
Top lining cutting position；
E, vertical shaft type gets in touch with flue（5）After the completion of construction, ultra-long deep-buried separate tunnel（1）Vault lining cutting according to vertical shaft type
Get in touch with flue（5）Sectional dimension cut, with tunnel holing through；
F, after the completion of construction, in tunnel service gallery（2）, contact main air duct（3）, parallel main air duct（4）It is logical with vertical shaft type smoke evacuation
Road（5）Start wind turbine vapour discharge when axial flow blower being set, then encountering emergency case, fresh wind is under the action of pressure difference from tunnel
The positive hole in road both ends enters, and realizes quick ventilation smoke exhaust.
2. a kind of ventilation smoke exhaust channel setting method of taking precautions against natural calamities of ultra-long deep-buried separate tunnel according to claim 1,
It is characterized in that：The vertical shaft type gets in touch with flue（5）It is divided into lateral part and longitudinal component, two parts are connected with curved channel.
3. a kind of ventilation smoke exhaust channel setting method of taking precautions against natural calamities of ultra-long deep-buried separate tunnel according to claim 2,
It is characterized in that：The vertical shaft type gets in touch with flue（5）Lateral part and parallel main air duct（4）Vertically, and with contact main air duct（3）
Longitudinal component it is vertical.
4. a kind of ventilation smoke exhaust channel setting method of taking precautions against natural calamities of ultra-long deep-buried separate tunnel according to claim 2,
It is characterized in that：The vertical shaft type gets in touch with flue（5）Longitudinal component with contact main air duct（3）Longitudinal component it is parallel, but with it is flat
Row main air duct（4）Vertically.
5. a kind of ventilation smoke exhaust channel setting method of taking precautions against natural calamities of ultra-long deep-buried separate tunnel according to claim 1,
It is characterized in that：The contact main air duct（3）Section be to open face area not less than 4.5m × 4.5m, arch is arranged in top.
6. a kind of ventilation smoke exhaust channel setting method of taking precautions against natural calamities of ultra-long deep-buried separate tunnel according to claim 1,
It is characterized in that：The parallel main air duct（4）Section be to open face area not less than 4.5m × 4.5m, arch is arranged in top.
7. a kind of ventilation smoke exhaust channel setting method of taking precautions against natural calamities of ultra-long deep-buried separate tunnel according to claim 1,
It is characterized in that：The vertical shaft type gets in touch with flue（5）Section be excavation area not less than diameter 5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810289928.4A CN108729940A (en) | 2018-04-03 | 2018-04-03 | The ventilation smoke exhaust channel setting method of taking precautions against natural calamities of ultra-long deep-buried separate tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810289928.4A CN108729940A (en) | 2018-04-03 | 2018-04-03 | The ventilation smoke exhaust channel setting method of taking precautions against natural calamities of ultra-long deep-buried separate tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108729940A true CN108729940A (en) | 2018-11-02 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810289928.4A Withdrawn CN108729940A (en) | 2018-04-03 | 2018-04-03 | The ventilation smoke exhaust channel setting method of taking precautions against natural calamities of ultra-long deep-buried separate tunnel |
Country Status (1)
| Country | Link |
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| CN (1) | CN108729940A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287783A (en) * | 2020-04-03 | 2020-06-16 | 中铁二院工程集团有限责任公司 | Vault turning-folding-shaped discharge flue of single-hole double-track tunnel and construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050048793A (en) * | 2003-11-20 | 2005-05-25 | 에스케이건설 주식회사 | New longitudinal tunnel ventilation and fire-proof system using the horizontal service tunnel |
| CN2846757Y (en) * | 2005-12-02 | 2006-12-13 | 辽宁工程技术大学 | Double pipeline emergency self saving system |
| KR100886350B1 (en) * | 2008-07-15 | 2009-03-03 | (주)비엔텍아이엔씨 | Intelligent selective supply and exhaust system for tunnel ventilation |
| CN203685276U (en) * | 2013-12-14 | 2014-07-02 | 中铁二院工程集团有限责任公司 | Emergent rescue station for double single-track railway tunnels |
| CN105888722A (en) * | 2016-04-11 | 2016-08-24 | 中铁六局集团有限公司 | Construction method for slag discharging and carrying of L-shaped slag discharging table of rail transportation inclined shaft of long and large tunnel |
-
2018
- 2018-04-03 CN CN201810289928.4A patent/CN108729940A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050048793A (en) * | 2003-11-20 | 2005-05-25 | 에스케이건설 주식회사 | New longitudinal tunnel ventilation and fire-proof system using the horizontal service tunnel |
| CN2846757Y (en) * | 2005-12-02 | 2006-12-13 | 辽宁工程技术大学 | Double pipeline emergency self saving system |
| KR100886350B1 (en) * | 2008-07-15 | 2009-03-03 | (주)비엔텍아이엔씨 | Intelligent selective supply and exhaust system for tunnel ventilation |
| CN203685276U (en) * | 2013-12-14 | 2014-07-02 | 中铁二院工程集团有限责任公司 | Emergent rescue station for double single-track railway tunnels |
| CN105888722A (en) * | 2016-04-11 | 2016-08-24 | 中铁六局集团有限公司 | Construction method for slag discharging and carrying of L-shaped slag discharging table of rail transportation inclined shaft of long and large tunnel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287783A (en) * | 2020-04-03 | 2020-06-16 | 中铁二院工程集团有限责任公司 | Vault turning-folding-shaped discharge flue of single-hole double-track tunnel and construction method |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Wenxin Inventor after: Zhang Wei Inventor after: Zhang Liangbing Inventor after: Wang Zhijie Inventor after: Zhao Junxi Inventor after: Yin Long Inventor after: Yang Lixin Inventor after: Jia Hailong Inventor after: Zhao Xiwang Inventor after: Song Jingui Inventor after: Tan Xiansong Inventor after: Zhuo Yue Inventor after: Tang Zelin Inventor after: Pu Xiaoping Inventor after: Zhang Xun Inventor after: Zou Li Inventor after: Li Zhiguo Inventor after: Li Xiaosheng Inventor after: Liu Shilei Inventor after: Wu Yuanjin Inventor before: Zhang Wenxin Inventor before: Zhang Liangbing Inventor before: Wang Zhijie Inventor before: Song Jingui Inventor before: Yin Long Inventor before: Yang Lixin Inventor before: Zhao Xiwang Inventor before: Tang Zelin Inventor before: Zhuo Yue Inventor before: Zhang Wei Inventor before: Zou Li Inventor before: Li Zhiguo Inventor before: Liu Shilei Inventor before: Li Xiaosheng Inventor before: Wu Yuanjin Inventor before: Zhao Junxi |
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181102 |