CN208168928U - Precast construction under a kind of Railway Tunnel three-piece type rail - Google Patents
Precast construction under a kind of Railway Tunnel three-piece type rail Download PDFInfo
- Publication number
- CN208168928U CN208168928U CN201820669918.9U CN201820669918U CN208168928U CN 208168928 U CN208168928 U CN 208168928U CN 201820669918 U CN201820669918 U CN 201820669918U CN 208168928 U CN208168928 U CN 208168928U
- Authority
- CN
- China
- Prior art keywords
- box culvert
- tunnel
- sides
- piece type
- type rail
- 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
- 238000010276 construction Methods 0.000 title claims abstract description 30
- 238000009423 ventilation Methods 0.000 claims abstract description 4
- 239000000779 smoke Substances 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000007569 slipcasting Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 12
- 230000018109 developmental process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005641 tunneling Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model relates to precast constructions under a kind of Railway Tunnel three-piece type rail, the side box culvert including shifting to an earlier date prefabricated middle box culvert and its two sides；The middle box culvert inner space setting rescue channel, evacuation and rescue for the passenger under tunnel emergency work condition；Air duct is arranged in side box culvert inner space, for the ventilation under emergency work condition；The side box culvert bottom surface of the middle box culvert and its two sides is arc, and radian is consistent with tunnel Internal periphery, and is connected with each other by M24 bolt.The utility model uses precast construction under rail, reduces cast-in-place construction, improves construction quality and speed of application, is conducive to the Mechanization Level for improving constructing tunnel.
Description
Technical field
The utility model relates to prefabricated knots under geotechnical engineering field more particularly to a kind of Railway Tunnel three-piece type rail
Structure.
Background technique
Currently, many countries are all turned to element precast one important symbol of technology development；Meanwhile element precast
It is also the inexorable trend of production-line style construction technology development, is the major measure for improving construction quality and building speed, reducing cost.
Therefore, the research for carrying out tunneling and underground engineering supporting prefabricating technique is particularly important and necessary, and the development of prefabricating technique is brought
Economy, technical benefits it is equally obvious：It can significantly shorten the construction period；The batch production of component is prefabricated to guarantee and improves structure
Quality index, such as intensity, durability and anticorrosion, waterproof performance；Eliminate many disadvantages of poured in place concrete；It mentions
The high technical level of underground engineering factorial construction, provides condition for standardization, the medelling of construction；Especially improve tunnel
The construction environment in road and underground engineering；It reduces costs, meets the requirement of Modern Green environmental protection, meet national policy guiding.
In terms of the current situation of domestic and international prefabricating technique, tunneling and underground engineering supporting prefabricating technique is mainly in terms of two
Carry out：First is that partial precast technology；Second is that whole prefabricating techniques, are mainly used at present in the engineering that shield method is built,
Middle shield tunnel is exactly the Typical Representative of prefbricated tunnel lining.
Foreign countries develop comparatively fast in terms of tunneling and underground engineering prefabricating technique, and concrete prefabricated technology is also widely used in
In the tunnel structure of cut and cover method.
From the point of view of the development of domestic tunneling and underground engineering prefabricating technique, prefabricating technique is mainly used in the work that shield method is built
Cheng Zhong, generally circular in cross section structure also have an application example in railway tunnel and vcehicular tunnel, but the research of fabricated construction, answer
Example is simultaneously few.
Utility model content
For the above-mentioned technical problems in the prior art, the embodiments of the present invention provide a kind of high-speed railway
Precast construction proposes construction quality and speed to reduce cast-in-place construction under tunnel three-piece type rail.
In order to achieve the above objectives, the utility model adopts the following technical solution：Under a kind of Railway Tunnel three-piece type rail
Precast construction, the side box culvert including shifting to an earlier date prefabricated middle box culvert and its two sides；
The middle box culvert inner space setting rescue channel, evacuation and rescue for the passenger under tunnel emergency work condition；
Air duct is arranged in side box culvert inner space, for the ventilation under emergency work condition；
The side box culvert bottom surface of the middle box culvert and its two sides is arc, and radian is consistent with tunnel Internal periphery, and passes through M24 spiral shell
Bolt is connected with each other.
Further, the side box culvert bottom both sides of the middle box culvert and its two sides are provided with the boss of high about 30mm, make
The gap of high about 30mm is reserved between box culvert and its side box culvert and tunnel Internal periphery of two sides, is filled with cement in the gap
Base grouting material.
Further, the side box culvert bottom of the middle box culvert and its two sides is respectively arranged with injected hole and bolt hole, described
Injected hole is used to carry out slip casting to the gap, and the bolt hole is to pass through the side box culvert of middle box culvert and its two sides further
M24 bolt is fixedly linked with tunnel.
Further, track plates opening is successively set towards before the escape stair in lower part rescue channel and Smoke prevention between track
Room evacuates an endless flow of people and successively enters rescue channel through escape stair and smoke free lobby.
Further, tunnel escape stair, long 3.5m of escape stair, high 2.3m at 100m setting one.
Further, in the rescue channel be equipped with emergency lighting, evacuation guiding graticule, and indicate have nearest tunnel face,
The direction of emergency exit and distance.
Further, it is concrete prefabricated to be all made of C40 for the middle box culvert and its side box culvert of two sides.
Further, the middle box culvert and the side box culvert longitudinal length of its two sides are 2m, pass through M24 bolt machine between every section
Tool connection.
The beneficial effects of the utility model：The utility model uses prefabricated rail flowering structure, reduces cast-in-place construction, improves
Construction quality and speed of application are conducive to the Mechanization Level for improving constructing tunnel.
Detailed description of the invention
Fig. 1 is precast construction schematic diagram under a kind of Railway Tunnel three-piece type rail involved in the utility model embodiment
(being free of escape stair)；
Fig. 2 is the structural schematic diagram of middle box culvert involved in the utility model embodiment and its two sides box culvert；
Fig. 3 is precast construction schematic diagram under a kind of Railway Tunnel three-piece type rail involved in the utility model embodiment
(containing escape stair).
In figure：1, middle box culvert；2, side box culvert；3, boss；4, channel is rescued；5, air duct；6, M24 bolt；7, injected hole；8,
Bolt hole；9, escape stair；10, tunnel Internal periphery；11, gap.
Specific embodiment
In the following, specific embodiment of the utility model is described in detail in conjunction with attached drawing, but practical new not as this
The restriction of type.
Referring to Fig.1-3, precast construction under a kind of Railway Tunnel three-piece type rail, including it is pre- in advance using C40 concrete
The middle box culvert 1 of system and its side box culvert 2 of two sides；Wherein, middle 1 inner space of box culvert setting rescue channel 4, for urgent in tunnel
The evacuation and rescue of passenger under operating condition；Air duct 5 is arranged in box culvert 2 inner space in side, for the ventilation under emergency work condition；Middle box culvert 1
Contain with the side case 2 of two sides and is mechanically connected by M24 bolt 6.Middle box culvert 1 described in the utility model and its side box culvert 2 of two sides
Prefabricated to be segmented, every segment length is 2m, is mechanically connected (not shown) by M24 bolt 6 between section and section.
2 bottom surface of side box culvert of middle box culvert 1 and its two sides described in the present embodiment is arc, radian and tunnel Internal periphery 10 1
It causes, middle box culvert 1 is provided with the boss 3 of high about 30mm with the 2 bottom both sides of side box culvert of two sides, makes the side case of middle box culvert 1 and two sides
Contain the gap 11 that high about 30mm is reserved between 2 and tunnel Internal periphery 10,11 part of gap is filled using strength cement-based grouting material, made
Box culvert 1 and the side box culvert 2 of two sides closely connect simultaneously uniform force with tunnel in obtaining.Slip casting is carried out for convenience of to 11 part of gap,
Middle box culvert 1 and 2 bottom of side box culvert of its two sides are provided with injected hole 7.In addition, for the side for further making middle box culvert 1 and two sides
2 bottom of side box culvert of box culvert 2 and tunnel stable connection, middle box culvert 1 and its two sides is additionally provided with bolt hole 8, to make middle box culvert 1
And its side box culvert 2 of two sides is further fixedly linked by M24 bolt 6 with tunnel.
Referring to Fig. 3, track plates opening successively sets escape stair 9 and smoke free lobby towards lower part rescue channel between track
(showing in figure) evacuates an endless flow of people and successively enters rescue channel 4 through escape stair 9 and smoke free lobby.Wherein, tunnel is every 100m
Escape stair 9 at one are set, and the escape stair 9 is 3.5m long, high 2.3m.Emergency lighting is additionally provided in rescue channel 4, evacuation is led
To graticule, and indicate have nearest tunnel face, the direction of emergency exit and distance.
Above embodiments are only the exemplary embodiment of the utility model, are not used in limitation the utility model, this is practical new
The protection scope of type is defined by the claims.Those skilled in the art can be in the essence and protection scope of the utility model
It is interior, various modifications or equivalent replacements are made to the utility model, this modification or equivalent replacement also should be regarded as falling in originally practical new
In the protection scope of type.
Claims (8)
1. precast construction under a kind of Railway Tunnel three-piece type rail, which is characterized in that including shift to an earlier date prefabricated middle box culvert (1) and
The side box culvert (2) of its two sides；
Middle box culvert (1) inner space setting rescue channel (4), for the evacuation of passenger under tunnel emergency work condition and rescues
It helps；
Air duct (5) are arranged in side box culvert (2) inner space, for the ventilation under emergency work condition；
Side box culvert (2) bottom surface of the middle box culvert (1) and its two sides is arc, and radian and tunnel Internal periphery (10) unanimously, and lead to
Cross M24 bolt (6) interconnection.
2. precast construction under a kind of Railway Tunnel three-piece type rail according to claim 1, which is characterized in that in described
Side box culvert (2) bottom both sides of box culvert (1) and its two sides are provided with the boss (3) of high about 30mm, make middle box culvert (1) and its two sides
Side box culvert (2) and tunnel Internal periphery (10) between reserve the gap (11) of high about 30mm, is filled in the gap (11)
Strength cement-based grouting material.
3. precast construction under a kind of Railway Tunnel three-piece type rail according to claim 2, which is characterized in that in described
Side box culvert (2) bottom of box culvert (1) and its two sides is respectively arranged with injected hole (7) and bolt hole (8), and the injected hole (7) is used
In carrying out slip casting to the gap (11), the bolt hole (8) is to make the side box culvert (2) of middle box culvert (1) and its two sides into one
Step is fixedly linked by M24 bolt (6) with tunnel.
4. precast construction under a kind of Railway Tunnel three-piece type rail according to claim 1, which is characterized in that track it
Between track plates opening successively set towards lower part rescue channel (4) escape stair (9) and smoke free lobby, evacuate an endless flow of people successively through dredge
It dissipates stair (9) and smoke free lobby enters rescue channel (4).
5. precast construction under a kind of Railway Tunnel three-piece type rail according to claim 4, which is characterized in that tunnel is every
The escape stair (9) at 100m setting one, escape stair (9) the long 3.5m, high 2.3m.
6. precast construction under a kind of Railway Tunnel three-piece type rail according to claim 1, which is characterized in that described to rescue
It helps and is equipped with emergency lighting, evacuation guiding graticule in channel (4), and indicate and have nearest tunnel face, the direction of emergency exit and distance.
7. precast construction under a kind of Railway Tunnel three-piece type rail according to claim 1, which is characterized in that in described
It is concrete prefabricated that box culvert (1) and its side box culvert (2) of two sides are all made of C40.
8. precast construction under a kind of Railway Tunnel three-piece type rail according to claim 1, which is characterized in that in described
Box culvert (1) and side box culvert (2) longitudinal length of its two sides are 2m, are mechanically connected between every section by M24 bolt (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820669918.9U CN208168928U (en) | 2018-05-07 | 2018-05-07 | Precast construction under a kind of Railway Tunnel three-piece type rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820669918.9U CN208168928U (en) | 2018-05-07 | 2018-05-07 | Precast construction under a kind of Railway Tunnel three-piece type rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208168928U true CN208168928U (en) | 2018-11-30 |
Family
ID=64370277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820669918.9U Active CN208168928U (en) | 2018-05-07 | 2018-05-07 | Precast construction under a kind of Railway Tunnel three-piece type rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208168928U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843380A (en) * | 2018-05-07 | 2018-11-20 | 中铁工程设计咨询集团有限公司 | Precast construction under a kind of Railway Tunnel three-piece type rail |
| CN111364513A (en) * | 2020-03-31 | 2020-07-03 | 中铁第四勘察设计院集团有限公司 | Subway co-construction underground station structure and construction method thereof |
-
2018
- 2018-05-07 CN CN201820669918.9U patent/CN208168928U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843380A (en) * | 2018-05-07 | 2018-11-20 | 中铁工程设计咨询集团有限公司 | Precast construction under a kind of Railway Tunnel three-piece type rail |
| CN111364513A (en) * | 2020-03-31 | 2020-07-03 | 中铁第四勘察设计院集团有限公司 | Subway co-construction underground station structure and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108843380A (en) | Precast construction under a kind of Railway Tunnel three-piece type rail | |
| CN208168928U (en) | Precast construction under a kind of Railway Tunnel three-piece type rail | |
| CN109763838A (en) | Assembled inverted arch structure and its assembling method suitable for drill+blast tunnel | |
| CN209510325U (en) | A kind of drill+blast tunnel structure using prefabrication and assembly construction inverted arch | |
| CN106014449B (en) | The construction method of two-wire small interval big cross section jointed rock mass subway tunnel | |
| CN108412500A (en) | Mountainous City Underground Subway Station vented construction and its construction method | |
| CN108756929A (en) | Precast construction under a kind of Railway Tunnel separate type rail | |
| CN105971009A (en) | Five-layer circular urban underground complex | |
| CN213088012U (en) | Tunnel auxiliary gallery structure with upper and lower partitions | |
| CN214273648U (en) | Three-circle shield constructs construction subway station structure | |
| CN208168888U (en) | Precast construction under a kind of Railway Tunnel separate type rail | |
| CN111456754A (en) | Auxiliary tunnel structure for left-right separation tunnel and construction method thereof | |
| CN111779495A (en) | Construction method for restraining floating amount of shield tunnel segment | |
| CN111364513A (en) | Subway co-construction underground station structure and construction method thereof | |
| CN208718721U (en) | A kind of railway large diameter shield tunnel rail flowering structure of rapid construction | |
| CN212774370U (en) | Integral special-shaped air duct for long-distance tunnel construction ventilation | |
| CN212271001U (en) | Subway station structure of jointly building of highway and railway | |
| CN212225230U (en) | Left-right separation tunnel auxiliary tunnel structure | |
| CN111502689A (en) | Upper and lower partition tunnel auxiliary tunnel structure and construction method thereof | |
| CN205530347U (en) | Cut and cover method tunnel structure | |
| CN209586379U (en) | Middle box culvert | |
| CN207469305U (en) | Pipe gallery overhauls and escape route integrated system | |
| CN209586380U (en) | Side box culvert | |
| CN209602984U (en) | Middle box culvert | |
| CN111677542A (en) | Integral special-shaped air duct for long-distance tunnel construction ventilation and construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |