CN201106157Y - High-speed railway tunnel opening micropressure wave buffering establishment - Google Patents
High-speed railway tunnel opening micropressure wave buffering establishment Download PDFInfo
- Publication number
- CN201106157Y CN201106157Y CNU2007200816458U CN200720081645U CN201106157Y CN 201106157 Y CN201106157 Y CN 201106157Y CN U2007200816458 U CNU2007200816458 U CN U2007200816458U CN 200720081645 U CN200720081645 U CN 200720081645U CN 201106157 Y CN201106157 Y CN 201106157Y
- Authority
- CN
- China
- Prior art keywords
- pressure wave
- speed railway
- micro
- railway tunnel
- tunnel
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model discloses a high speed railway tunnel entrance micro-pressure wave buffering device which is an arc tunnel body (20) butted with the entrance of a tunnel (10); two side walls (21, 22) of the arch tunnel body (20) are provided with opening structures. The high speed railway tunnel entrance micro-pressure wave buffering device has the advantages that the peak value of the micro-pressure wave can be reduced by 40 to 50 percent, aerodynamic effect at the entrance can be eased, thereby effectively alleviating the micro-pressure wave phenomenon at the tunnel entrance and sound explosion intensity produced by the high speed train rolling at the entrance can be substantially lightened, thus enhancing the protection effect to the tunnel entrance environment.
Description
Technical field
The utility model relates to high-speed railway, particularly a kind of high-speed railway tunnel portal micro-pressure wave fender system.
Background technology
When train entered the tunnel with high speed, the train front will produce the initial compression ripple, and this ripple is propagated forward along the tunnel.Along with train further sails the continuous prolongation of tunnel and tunnel looped pipeline length into, the pressure in the tunnel also constantly increases, and forward's pressure of compressional wave also strengthens along with continuing, after train all enters the tunnel till a period of time.When compressional wave arrives the tunnel exit place, promptly be reflected into dilatational wave to import, meanwhile, produce an impulse wave from the regional towards periphery radiation of tunnel portal, and send explosive sound, and near the sharply vibrations such as window frame, shutter in house making, sending the sound of " coughing up ", this impulse wave is a micro-pressure wave.
According to measured data, when train passes through 48.6m with 200km/h
2Effectively during the single-track tunnel of headroom section, reach 94Pa apart from tunnel exit 10m place micro-pressure wave peak value, distance exports 20m place micro-pressure wave peak value and reaches 58.4Pa.Obviously, if do not adopt fender system that the micro-pressure wave peak value is cut down, can't satisfy of the design environment requirement of micro-pressure wave peak value at distance hole 20m place＜50Pa.
The utility model content
Technical problem to be solved in the utility model provides a kind of high-speed railway tunnel portal micro-pressure wave fender system, and this facility can be alleviated the aerodynamic effects at place, hole, thus the micro-pressure wave phenomenon of slowing down tunnel portal effectively.
The technical scheme that its technical problem that solves the utility model adopts is: high-speed railway tunnel portal micro-pressure wave fender system of the present utility model, it is characterized in that: the arch hole body of this fender system for docking with tunnel portal is provided with hatch frame on two sidewalls of arch hole body.
As a kind of preferred structure of the present utility model, described opening buffer structure is for each is provided with two square aperture at interval on two sidewall length directions of arch hole body.
As another kind of preferred structure of the present utility model, described opening buffer structure is for respectively being provided with a rectangular aperture at place, two sidewall middle parts of arch form hole body.
The beneficial effects of the utility model are; the micro-pressure wave peak value can be cut down 40～50%; can alleviate the aerodynamic effects at place, hole; thereby slow down the micro-pressure wave phenomenon of tunnel portal effectively; near the sonic boom intensity that is produced the hole when bullet train is crossed is alleviated significantly, thereby improves the protection effect of tunnel portal environment.
Description of drawings
This manual comprises following four width of cloth accompanying drawings:
Fig. 1 is the schematic perspective view of the utility model high-speed railway tunnel portal micro-pressure wave fender system;
Fig. 2 is the horizontal cross-section structure schematic diagram of the utility model high-speed railway tunnel portal micro-pressure wave fender system;
Fig. 3 is vertical cross-section structure schematic diagram of the utility model high-speed railway tunnel portal micro-pressure wave fender system one example;
Fig. 4 is vertical cross-section structure schematic diagram of another example of the utility model high-speed railway tunnel portal micro-pressure wave fender system.
Position and pairing mark among the figure: tunnel 10, arch hole body 20, sidewall 21, sidewall 22, square aperture 30, square aperture 31, rectangular aperture 32.
The specific embodiment
Below in conjunction with accompanying drawing and example the utility model is further specified.
See figures.1.and.2, high-speed railway tunnel portal micro-pressure wave fender system of the present utility model is the arch hole body 20 that docks with 10 holes, tunnel, is provided with hatch frame on two sidewalls 21,22 of arch hole body 20.
By a large amount of tests, can determine to intend following two kinds of prioritization schemes of described hatch frame:
With reference to Fig. 3, each is provided with square aperture 30,31 to described opening buffer structure at interval on two sidewalls of arch hole body, 21,22 length directions.These two square aperture 30,31 are symmetrical arranged along two sidewalls, 21,22 center lines.The aperture opening ratio of opening buffer structure (being each square aperture 30,31 area summation and the ratio of the area of section of arch hole body 20) is taken as at 0.33 o'clock, and the aerodynamic effects remission effect is best.
With reference to Fig. 4, described opening buffer structure respectively is provided with a rectangular aperture 32 at place, two sidewalls of arch hole body, 21,22 middle parts.The aperture opening ratio of opening buffer structure (being rectangular aperture 32 area summations and the ratio of the area of section of arch hole body 20) is taken as at 0.4 o'clock, and the aerodynamic effects remission effect is best.
In addition, the sectional area in described tunnel 10 is preferably 1: 1.5 with the ratio of the sectional area of arch hole body 20.For reducing construction costs, two sidewalls 21,22 of described arch hole body 20 can preferably adopt the straight flange wall.
Some principles of the above the utility model high-speed railway tunnel portal micro-pressure wave fender system that just explains through diagrams, be not be the utility model high-speed railway tunnel portal micro-pressure wave fender system to be confined to shown in and in described concrete structure and the scope of application, so every the corresponding modify and equivalent that might be utilized all belongs to the claim that the utility model is applied for.
Claims (8)
1. high-speed railway tunnel portal micro-pressure wave fender system is characterized in that: the arch hole body (20) of this fender system for docking with hole, tunnel (10) is provided with hatch frame on two sidewalls (21,22) of arch hole body (20).
2. high-speed railway tunnel portal micro-pressure wave fender system according to claim 1, it is characterized in that: described hatch frame is made of two square aperture (30,31) that are provided with at interval on arch hole body (20) length direction.
3. as high-speed railway tunnel portal micro-pressure wave fender system as described in the claim 2, it is characterized in that: described two square aperture (30,31) are symmetrical arranged along two sidewalls (21,22) center line.
4. as high-speed railway tunnel portal micro-pressure wave fender system as described in claim 2 or 3, it is characterized in that: the ratio of the area of section of described arch hole body (20) and each square aperture (30,31) area summation 1: 0.33.
5. high-speed railway tunnel portal micro-pressure wave fender system according to claim 1, it is characterized in that: described hatch frame is for being arranged on the rectangular aperture (32) at place, two sidewalls (21,22) middle part.
6. as high-speed railway tunnel portal micro-pressure wave fender system as described in claim 2 or 3, it is characterized in that: the ratio of the area of section of described arch hole body (20) and rectangular aperture (32) area summation 1: 0.4.
7. high-speed railway tunnel portal micro-pressure wave fender system according to claim 1, it is characterized in that: the ratio of the sectional area of the sectional area of described tunnel (10) and arch hole body (20) is 1: 1.5.
8. high-speed railway tunnel portal micro-pressure wave fender system according to claim 1, it is characterized in that: two sidewalls (21,22) of described arch hole body (20) adopt the straight flange wall that is.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200816458U CN201106157Y (en) | 2007-10-29 | 2007-10-29 | High-speed railway tunnel opening micropressure wave buffering establishment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200816458U CN201106157Y (en) | 2007-10-29 | 2007-10-29 | High-speed railway tunnel opening micropressure wave buffering establishment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201106157Y true CN201106157Y (en) | 2008-08-27 |
Family
ID=39957955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200816458U Expired - Lifetime CN201106157Y (en) | 2007-10-29 | 2007-10-29 | High-speed railway tunnel opening micropressure wave buffering establishment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201106157Y (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798934A (en) * | 2009-02-10 | 2010-08-11 | 上海市政工程设计研究总院 | Light shielding segment structure of tunnel (subway) and construction method thereof |
| CN102094654A (en) * | 2011-03-28 | 2011-06-15 | 中铁二院工程集团有限责任公司 | Three-track tunnel structure for high speed railway |
| CN102128036A (en) * | 2010-12-24 | 2011-07-20 | 西南交通大学 | Construction method of cross section-expanded loop type depressurizing portal for high-speed railway tunnel |
| CN103016025A (en) * | 2012-12-31 | 2013-04-03 | 中铁第四勘察设计院集团有限公司 | Buffer structure of double-track tunnel portal of high-speed rail |
| CN103016024A (en) * | 2012-12-31 | 2013-04-03 | 中铁第四勘察设计院集团有限公司 | Buffer structure of single-track tunnel portal of high-speed rail |
| CN103032079A (en) * | 2012-12-31 | 2013-04-10 | 中铁第四勘察设计院集团有限公司 | Constant annular width bevel type tunnel opening buffer structure |
| CN103670436A (en) * | 2013-11-29 | 2014-03-26 | 西南交通大学 | Lateral stripped sonic boom control structure of high-speed rail tunnel portal |
| 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 |
| CN104564098A (en) * | 2013-10-21 | 2015-04-29 | 韩国铁道技术研究院 | Structure for reducing tunnel micro pressure wave including air pipe |
| CN104727827A (en) * | 2015-01-15 | 2015-06-24 | 孙辉 | Railway tunnel for buffering aerodynamics effects of high-speed train in tunnel |
| CN105756684A (en) * | 2016-03-28 | 2016-07-13 | 北京交通大学 | Device for relieving micro-pressure waves of railway tunnel portal |
| CN105952468A (en) * | 2016-06-30 | 2016-09-21 | 中铁西南科学研究院有限公司 | High-speed railway tunnel connecting open-cut tunnel with micro-pressure wave alleviation function |
| CN108612541A (en) * | 2018-05-03 | 2018-10-02 | 中南大学 | Alleviate the variable cross-section tunnel structure and parameter determination method of tunnel aerodynamic effect |
| CN108868813A (en) * | 2018-06-27 | 2018-11-23 | 西南交通大学 | A kind of railway tunnel buffer structure |
| CN109083656A (en) * | 2018-09-17 | 2018-12-25 | 中铁二院工程集团有限责任公司 | A kind of railway tunnel lining structure with Pneumatic effect releasing function |
| CN110130983A (en) * | 2019-04-09 | 2019-08-16 | 淮阴工学院 | A kind of novel tunnel in cold area hole front end heat-insulation system device and its control method |
| CN110924975A (en) * | 2019-11-29 | 2020-03-27 | 中车青岛四方机车车辆股份有限公司 | Pneumatic effect slowing device for train passing through tunnel |
| CN111236960A (en) * | 2020-01-22 | 2020-06-05 | 昆明理工大学 | Buffer structure for relieving micro-pressure waves at tunnel portal of high-speed railway |
| CN114837688A (en) * | 2022-05-10 | 2022-08-02 | 中南大学 | Structure for relieving tunnel micro-pressure wave |
| CN114837690A (en) * | 2022-05-26 | 2022-08-02 | 中南大学 | Tunnel micro-pressure wave relieving method based on pressure relief space angle |
-
2007
- 2007-10-29 CN CNU2007200816458U patent/CN201106157Y/en not_active Expired - Lifetime
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798934B (en) * | 2009-02-10 | 2014-05-21 | 上海市政工程设计研究总院 | Light shielding segment structure of tunnel (subway) and construction method thereof |
| CN101798934A (en) * | 2009-02-10 | 2010-08-11 | 上海市政工程设计研究总院 | Light shielding segment structure of tunnel (subway) and construction method thereof |
| CN102128036A (en) * | 2010-12-24 | 2011-07-20 | 西南交通大学 | Construction method of cross section-expanded loop type depressurizing portal for high-speed railway tunnel |
| CN102094654A (en) * | 2011-03-28 | 2011-06-15 | 中铁二院工程集团有限责任公司 | Three-track tunnel structure for high speed railway |
| CN103016025A (en) * | 2012-12-31 | 2013-04-03 | 中铁第四勘察设计院集团有限公司 | Buffer structure of double-track tunnel portal of high-speed rail |
| CN103016024A (en) * | 2012-12-31 | 2013-04-03 | 中铁第四勘察设计院集团有限公司 | Buffer structure of single-track tunnel portal of high-speed rail |
| CN103032079A (en) * | 2012-12-31 | 2013-04-10 | 中铁第四勘察设计院集团有限公司 | Constant annular width bevel type tunnel opening buffer structure |
| CN104564098A (en) * | 2013-10-21 | 2015-04-29 | 韩国铁道技术研究院 | Structure for reducing tunnel micro pressure wave including air pipe |
| CN104564098B (en) * | 2013-10-21 | 2017-09-26 | 韩国铁道技术研究院 | Include the structure of breather pipe for reduce tunnel micro-pressure wave |
| CN103670436A (en) * | 2013-11-29 | 2014-03-26 | 西南交通大学 | Lateral stripped sonic boom control structure of high-speed rail tunnel portal |
| 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 |
| CN104727827A (en) * | 2015-01-15 | 2015-06-24 | 孙辉 | Railway tunnel for buffering aerodynamics effects of high-speed train in tunnel |
| CN105756684A (en) * | 2016-03-28 | 2016-07-13 | 北京交通大学 | Device for relieving micro-pressure waves of railway tunnel portal |
| CN105952468A (en) * | 2016-06-30 | 2016-09-21 | 中铁西南科学研究院有限公司 | High-speed railway tunnel connecting open-cut tunnel with micro-pressure wave alleviation function |
| CN108612541A (en) * | 2018-05-03 | 2018-10-02 | 中南大学 | Alleviate the variable cross-section tunnel structure and parameter determination method of tunnel aerodynamic effect |
| CN108612541B (en) * | 2018-05-03 | 2020-04-14 | 中南大学 | Variable cross-section tunnel structure for relieving tunnel pneumatic effect and parameter determination method |
| CN108868813A (en) * | 2018-06-27 | 2018-11-23 | 西南交通大学 | A kind of railway tunnel buffer structure |
| CN109083656A (en) * | 2018-09-17 | 2018-12-25 | 中铁二院工程集团有限责任公司 | A kind of railway tunnel lining structure with Pneumatic effect releasing function |
| CN109083656B (en) * | 2018-09-17 | 2024-05-28 | 中铁二院工程集团有限责任公司 | Railway tunnel lining structure with pneumatic effect relieving function |
| CN110130983A (en) * | 2019-04-09 | 2019-08-16 | 淮阴工学院 | A kind of novel tunnel in cold area hole front end heat-insulation system device and its control method |
| CN110130983B (en) * | 2019-04-09 | 2021-02-02 | 淮阴工学院 | Novel cold region tunnel portal front-end heat preservation system device and control method thereof |
| CN110924975A (en) * | 2019-11-29 | 2020-03-27 | 中车青岛四方机车车辆股份有限公司 | Pneumatic effect slowing device for train passing through tunnel |
| CN110924975B (en) * | 2019-11-29 | 2021-11-12 | 中车青岛四方机车车辆股份有限公司 | Pneumatic effect slowing device for train passing through tunnel |
| CN111236960A (en) * | 2020-01-22 | 2020-06-05 | 昆明理工大学 | Buffer structure for relieving micro-pressure waves at tunnel portal of high-speed railway |
| CN114837688A (en) * | 2022-05-10 | 2022-08-02 | 中南大学 | Structure for relieving tunnel micro-pressure wave |
| CN114837690A (en) * | 2022-05-26 | 2022-08-02 | 中南大学 | Tunnel micro-pressure wave relieving method based on pressure relief space angle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201106157Y (en) | High-speed railway tunnel opening micropressure wave buffering establishment | |
| CN202081388U (en) | Wind break wall for high-speed railway | |
| CN203320433U (en) | Metallic sound barrier unit board for high speed railway | |
| CN103016025A (en) | Buffer structure of double-track tunnel portal of high-speed rail | |
| CN201513180U (en) | Micro-pressure wave-buffering tunnel wall structure of high-speed railway tunnel | |
| CN103670436A (en) | Lateral stripped sonic boom control structure of high-speed rail tunnel portal | |
| CN104213926A (en) | Self-adaptive device for wind pressure transition of tunnel portal of high speed railway | |
| CN203021930U (en) | Totally closed sound barrier | |
| CN103016024A (en) | Buffer structure of single-track tunnel portal of high-speed rail | |
| CN204112249U (en) | Multifunction combined noise barrier | |
| CN204349370U (en) | A kind of cable testing bridge with fixed band | |
| CN204720930U (en) | A kind of windproof stockbridge damper | |
| CN202368400U (en) | Compensation weight built-in anchor post structure for tramcar contact network | |
| CN203008927U (en) | High-speed railway single-track tunnel portal buffer structure | |
| CN103104123A (en) | Steel truss wind-break wall and construction method thereof | |
| CN206329357U (en) | A kind of colliery is with riding the distinguished and admirable non-return device of groove | |
| CN201952961U (en) | Connection accessory for roof ridge | |
| CN204664063U (en) | Flow guide structure | |
| CN203531919U (en) | Reinforcing structure of slip casting opening and air discharging hole of concrete filled steel tube support | |
| CN204082162U (en) | A kind of Railway Tunnel hole blast transition self-reacting device | |
| CN202532678U (en) | Silencer air-return inlet system with sound absorption wedges | |
| CN206488709U (en) | A kind of rock drift blasting is anti-to collapse device | |
| CN204646042U (en) | A kind of novel rapid door | |
| CN204551842U (en) | A kind of energy saving building curtain wall | |
| CN203625793U (en) | Steady flow energy absorption type vehicle travelling road side sound barrier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080827 |
|
| CX01 | Expiry of patent term |