CN207568616U - A kind of three hole vcehicular tunnels - Google Patents
A kind of three hole vcehicular tunnels Download PDFInfo
- Publication number
- CN207568616U CN207568616U CN201721776383.7U CN201721776383U CN207568616U CN 207568616 U CN207568616 U CN 207568616U CN 201721776383 U CN201721776383 U CN 201721776383U CN 207568616 U CN207568616 U CN 207568616U
- Authority
- CN
- China
- Prior art keywords
- hole
- main
- middle drift
- construction
- tbm
- 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
Landscapes
- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a kind of three hole vcehicular tunnels, including two main holes, middle drift is equipped between two main holes, the middle drift is connected between two main holes by several Lateral Holes respectively, and the middle drift is a channel at least meeting one way traffic.Pass through the middle drift and Lateral Hole of setting, on the one hand during constructing tunnel, main hole back work face can quickly be opened up, construction speed can be greatly speeded up, and main hole material channel can be formed early, mitigate material organizational stress, solve the problems, such as that main hole material channel is narrow, material organizational stress is big；On the other hand, after the completion of constructing tunnel, middle drift can be used as operation phase escape and rescue channel, solve the problems, such as common two hole tunnels escape and rescue scarce capacity.
Description
Technical field
The utility model is related to technical field of tunnel construction, more particularly to a kind of three hole vcehicular tunnels.
Background technology
Existing two hole vcehicular tunnel when being constructed using central drift method, is considered, middle drift design area for cost of investment
It is often smaller, lead to that middle drift material channel is narrow, material organizational stress is big in this way, delayed construction speed.And due to general
The escape and rescue scarce capacity of logical two hole tunnels, once there is accident, is highly detrimental to escape and rescue.
Three hole vcehicular tunnels are excavated according to traditional drilling and blasting method, and construction speed is slow, and the completion time of project is long, working efficiency
It is low, in tunnel piercing construction location apart from hole remotely, construction exist very big safety risks.Tunnel boring machine method is to excavate
A kind of method in tunnel, tunnel and other underground spaces.Abbreviation TBM (tunnel boring manchine) method utilizes spy
The Large Cutting equipment of system by rock shearing attrition crushing, is then transported rubble by mating transporting equipment.TBM methods exist
Speed of application under normal circumstances is significantly faster than drilling and blasting method, and not only construction quality is good, and mechanization degree is high, easy for construction, has
Conducive to environmental protection and save labour.But TBM methods are poor to the adaptability of unfavorable geological condition, should be not as flexible as drilling and blasting method
It is relatively weak to the ability of complex geological condition especially soft rock environment.Therefore, it is necessary to a set of scientific and reasonable construction methods, should
Construction method has both the advantages of drilling and blasting method and TBM methods, to ensure quickly and safely to excavate three hole vcehicular tunnels.
Invention content
The purpose of the utility model is to overcome the above-mentioned deficiencies in the presence of the prior art, provide a kind of three hole highway tunnels
Road can quickly open up main hole back work face, can greatly speed up construction speed, and can form main hole material channel early, subtract
Light material organizational stress.
In order to achieve the above-mentioned object of the invention, the utility model provides following technical scheme：
A kind of three hole vcehicular tunnels including two main holes, are equipped with middle drift, the middle drift between two main holes
It is connected between two main holes by several Lateral Holes respectively, the middle drift is at least to meet one way traffic
One channel.
Parallel longitudinal setting of the middle drift along main hole, middle drift cross sectional dimensions are less than the cross sectional dimensions in main hole, lead to
The middle drift and Lateral Hole of setting are crossed, on the one hand during constructing tunnel, can quickly open up main hole back work face, it can
Construction speed is greatly speeded up, and main hole material channel can be formed early, mitigates material organizational stress, solves main hole material channel
Narrow, the problem of material organizational stress is big.On the other hand, after the completion of constructing tunnel, middle drift can be used as operation phase escape and rescue
Channel solves the problems, such as common two hole tunnels escape and rescue scarce capacity, can also be used as Emergency Vehicle Lane.
Preferably, the hole cross-sectional area of the middle drift is the 40%-70% in each main hole.
Preferably, the main hole excavates to be formed using drilling and blasting method, and the middle drift excavates to be formed using TBM methods.Utilize TBM
The advanced advantage of method progress can get through multiple main hole back work faces, and each working face in main hole is constructed simultaneously, realize " long
Tunnel hand-to-hand fight in tights " can greatly speed up construction speed.
Preferably, the main hole and middle drift are equipped with equipped with supporting, lining cutting and drainage system.Both it can connect integral
Formula structure in case of emergency, can also come into operation as independent structure.
The invention also discloses the construction method of three hole vcehicular tunnel, a kind of bis- main holes of middle drift TBM- are bored quick-fried
Combined construction method using any above-mentioned three hole vcehicular tunnel of one kind, includes the following steps：
Step 1：During TBM productions, assembling, debugging, the Portal Section of main hole and middle drift is applied using drilling and blasting method
Work；
Step 2：After TBM assembly and adjustments, stop the construction of explosion of the middle drift, TBM marches to the middle drift
Working face start TBM driving, two main holes continue construction of explosion；
Step 3：It constructs the preliminary bracing of the middle drift；
Step 4：It constructs to the inverted arch of the middle drift；
Step 5：After TBM drive end units are by Lateral Hole and reserved enough construction spaces, excavated using drilling and blasting method described in
Lateral Hole, into the main hole after the main hole back work face of drill-blast tunnelling；
Step 6：The initialization face and back work face in main hole are excavated in the same direction；
Step 7：The excavation of the middle drift is completed using TBM methods, the excavation in the main hole is completed using drilling and blasting method.
The construction method carries out middle drift excavation using TBM methods, while the excavation in double main holes is carried out using drilling and blasting method, passes through
Each garage's transverse passage-way opens up main hole back work face, and each working face in main hole excavates in the same direction simultaneously, and when tunnel can
It realizes " long tunnel hand-to-hand fight in tights ", progress steadily promotes in the construction period, and time availability is higher, and duration controllability is strong, and personnel equipment throws
Enter low, and main hole material channel can be formed early, substantially reduce material organizational stress in middle drift.During the construction method solves
The technical barrier of the bis- main hole drilling and blasting methods combination rapid constructions of pilot tunnel TBM-, the advantages of having both drilling and blasting method and TBM methods, be later speciality
Tunnel bores quick-fried joint construction using the bis- main holes of middle drift TBM- and provides optimal construction scheme, and it is total to substantially reduce construction
Duration.
Preferably, middle drift is leading, the working face dislocation construction of two main holes and middle drift, between two working faces
The spacing that is staggered is more than twice of the main hole excavation width.
Preferably, in the step 4, the inverted arch of middle drift is lifted in concentration pre-casting, the scene of being transported to again outside place.
Preferably, it is pre- in the rear progress inverted arch of TBM machines support boots by itself lifting system of TBM machines in the step 4
The lifting of clamp dog.
Preferably, excavation forms the main hole section of standard after the step 5 enters main hole, and opens up the main hole working face of auxiliary,
After completing main hole back work face, Lateral Hole and main hole junction are digged, main hole is formed and widens section, main hole is finally completed and adds
Wide Band Oxygen Sensors Second Lining Construction.
Preferably, it is constructed using the trolley of fast demountable to each working face in main hole, using Mobile distribution
The supply configuration of the power supply for construction and construction ventilation in main hole is carried out with Dynamic Construction Design of ventilation, is shifted convenient for equipment, accelerates to apply
Work process.
Preferably, method of tunnel drilling and blasting is slagged tap through the middle drift, then by Lateral Hole, then branches to main hole and hole
Outside, material is then transported by negative direction.Middle drift, Lateral Hole, main hole cooperatively form material channel, can substantially reduce material group
Active pressure.
Preferably, it when excavating the middle drift using TBM methods, is slagged tap using belt feeder, wherein just branch work progress
In, it is pre-buried for hanging and fixing the embedded hanging part of belt feeder in vault, and the belt feeder using guide chain hang on it is described in
The vault center of pilot tunnel.
Compared with prior art, the advantageous effect of a kind of three hole vcehicular tunnel described in the utility model：
By the middle drift and Lateral Hole of setting, on the one hand during constructing tunnel, it is auxiliary can quickly to open up main hole
Working face is helped, construction speed can be greatly speeded up, and main hole material channel can be formed early, mitigates material organizational stress, solves
The problem of main hole material channel is narrow, material organizational stress is big.On the other hand, after the completion of constructing tunnel, middle drift can be used as fortune
Battalion's phase escape and rescue channel solves the problems, such as common two hole tunnels escape and rescue scarce capacity.
Compared with prior art, quick-fried combined construction method is bored in a kind of bis- main holes of middle drift TBM- described in the utility model
Advantageous effect：
The construction method carries out middle drift excavation using TBM methods, while the excavation in double main holes is carried out using drilling and blasting method, passes through
Each garage's transverse passage-way opens up main hole back work face, and each working face in main hole excavates in the same direction simultaneously, and when tunnel can
It realizes " long tunnel hand-to-hand fight in tights ", progress steadily promotes in the construction period, and time availability is higher, and duration controllability is strong, and personnel equipment throws
Enter low, and main hole material channel can be formed early, substantially reduce material organizational stress in middle drift.During the construction method solves
The technical barrier of the bis- main hole drilling and blasting methods combination rapid constructions of pilot tunnel TBM-, the advantages of having both drilling and blasting method and TBM methods, be later speciality
Tunnel bores quick-fried joint construction using the bis- main holes of middle drift TBM- and provides optimal construction scheme, and it is total to substantially reduce construction
Duration.
Description of the drawings：
Fig. 1 is a kind of structure diagram of three hole vcehicular tunnel described in the utility model.
Fig. 2 is the schematic diagram that quick-fried combined construction method is bored in a kind of bis- main holes of middle drift TBM- described in the utility model.
Fig. 3 is the signal of slagging tap that quick-fried combined construction method is bored in a kind of bis- main holes of middle drift TBM- described in the utility model
Figure.
It is marked in figure：The main holes of 1-, 2- middle drifts, 3- Lateral Holes.
Specific embodiment
The utility model is described in further detail with reference to test example and specific embodiment.It but should not be by this
The range for being interpreted as the above-mentioned theme of the utility model is only limitted to following embodiment, all to be realized based on the utility model content
Technology belongs to the scope of the utility model.
Embodiment 1
As shown in Figure 1, a kind of three hole vcehicular tunnels, including two main holes 1, lead in being equipped between two main holes 1
Hole 2, the middle drift 2 are connected between two main holes 1 by several Lateral Holes 3 respectively, and the middle drift 2 is
At least meet a channel of one way traffic.The main hole 1 excavates to be formed using drilling and blasting method, and the middle drift 2 is opened using TBM methods
It digs and is formed, the main hole 1 and middle drift 2 are equipped with equipped with supporting, lining cutting and drainage system.
The middle drift 2 is longitudinally disposed along main hole 1, and 2 cross sectional dimensions size of middle drift is less than the cross section ruler in main hole 1
It is very little, by the middle drift 2 of setting and Lateral Hole 3, on the one hand during constructing tunnel, it can quickly open up main hole backman
Make face, construction speed can be greatly speeded up, and main 1 material channel of hole can be formed early, mitigate material organizational stress, solve main hole
The problem of 1 material channel is narrow, material organizational stress is big.On the other hand, after the completion of constructing tunnel, middle drift 2 can be used as operation
Phase escape and rescue channel solves the problems, such as common two hole tunnels escape and rescue scarce capacity.
Embodiment 2
As shown in Figure 1-Figure 3, quick-fried combined construction method is bored in a kind of bis- main holes of middle drift TBM-, uses three hole of one kind
Vcehicular tunnel includes the following steps：
Step 1：During TBM productions, assembling, debugging, the Portal Section of main hole 1 and middle drift 2 is applied using drilling and blasting method
Work, wherein middle drift 2 are leading, the working face dislocation construction of two main holes 1 and middle drift 2, are staggered between two working faces
Spacing is more than twice of main 1 excavation width of hole.
Step 2：After TBM assembly and adjustments, stop the construction of explosion of the middle drift 2, TBM march to it is described in lead
The working face in hole 2 starts TBM drivings, and two main holes 1 continue construction of explosion.
Step 3：It constructs the preliminary bracing of the middle drift 2.
Step 4：It constructs to the inverted arch of the middle drift 2, specially the inverted arch of middle drift 2 is concentrated in advance outside place
System, mating tail portion after inverted arch prefabricated section is transported by precasting yard to TBM with large-tonnage fork truck, by itself lifting system of TBM machines
The lifting of inverted arch prefabricated section is carried out at the rear of TBM machines support boots.
Step 5：Using the advanced advantage of TBM progresses, TBM drive end units pass through Lateral Hole 3 and reserved enough construction skies
Between after, the Lateral Hole 3 is excavated using drilling and blasting method, into the main hole back work face of drill-blast tunnelling behind the main hole 1.Specially
3 drilling and blasting method excavation construction of Lateral Hole, into main hole 1 after excavate and form the main hole section of standard, and open up the main hole working face of auxiliary,
After completing main hole back work face, Lateral Hole 3 and main 1 junction of hole are digged, main hole is formed and widens section, and carry out main hole and add
Wide Band Oxygen Sensors Second Lining Construction.
Step 6：As shown in Fig. 2, the working face in main hole 1 and back work face are excavated in the same direction.
Step 7：The excavation of the middle drift 2 is completed using TBM methods, the excavation in the main hole 1 is completed using drilling and blasting method.
Wherein, constructed using the trolley of fast demountable to each working face in main hole, using Mobile distribution and
Dynamic Construction Design of ventilation carries out the supply configuration of the power supply for construction and construction ventilation in main hole.Using TBM methods excavate it is described in lead
During hole 2, slagged tap using belt feeder, it is pre-buried for hanging and fix belt feeder in vault wherein just in branch work progress
Embedded hanging part, and the belt feeder hangs on the vault center of the middle drift 2 using guide chain.
As shown in figure 3, method of tunnel drilling and blasting is slagged tap through the middle drift 2, then by Lateral Hole 3, then master is branched to
Outside hole 1 and hole, material is then transported by negative direction, and middle drift 2, Lateral Hole 3, main hole 1 cooperatively form material channel, can be significantly
Reduce material organizational stress.
The construction method carries out middle drift excavation using TBM methods, while the excavation in double main holes is carried out using drilling and blasting method, passes through
Each garage's transverse passage-way opens up main hole back work face, and each working face in main hole excavates in the same direction simultaneously, and when tunnel can
It realizes " long tunnel hand-to-hand fight in tights ", progress steadily promotes in the construction period, and time availability is higher, and duration controllability is strong, and personnel equipment throws
Enter low, and main hole material channel can be formed early, substantially reduce material organizational stress in middle drift.During the construction method solves
The technical barrier of the bis- main hole drilling and blasting methods combination rapid constructions of pilot tunnel TBM-, the advantages of having both drilling and blasting method and TBM methods, be later speciality
Tunnel bores quick-fried joint construction using the bis- main holes of middle drift TBM- and provides optimal construction scheme, and it is total to substantially reduce construction
Duration.
Above example is only to illustrate the utility model and not limits the described technical solution of the utility model, to the greatest extent
Pipe this specification has been carried out being described in detail with reference to above-mentioned each embodiment to the utility model, but the utility model not office
It is limited to above-mentioned specific embodiment, therefore any modifies to the utility model or equivalent replacement；And all do not depart from practicality
The technical solution of novel spirit and scope and its improvement should all be covered in the right of the utility model.
Claims (4)
1. a kind of three hole vcehicular tunnels, which is characterized in that including two main holes (1), in being equipped between two main holes (1)
Pilot tunnel (2), the middle drift (2) are connected between two main holes (1) by several Lateral Holes (3) respectively, institute
It is a channel at least meeting one way traffic to state middle drift (2).
2. a kind of three hole vcehicular tunnel according to claim 1, which is characterized in that the hole of the middle drift (2) is transversal
Face area is the 40%-70% of each main hole (1).
3. a kind of three hole vcehicular tunnel according to claim 1, which is characterized in that the main hole (1) is opened using drilling and blasting method
It digs and is formed, the middle drift (2) excavates to be formed using TBM methods.
4. according to any three hole vcehicular tunnels of one kind of claim 1-3, which is characterized in that the main hole (1) and in lead
Hole (2) is equipped with equipped with supporting, lining cutting and drainage system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721776383.7U CN207568616U (en) | 2017-12-15 | 2017-12-15 | A kind of three hole vcehicular tunnels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721776383.7U CN207568616U (en) | 2017-12-15 | 2017-12-15 | A kind of three hole vcehicular tunnels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207568616U true CN207568616U (en) | 2018-07-03 |
Family
ID=62685585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721776383.7U Active CN207568616U (en) | 2017-12-15 | 2017-12-15 | A kind of three hole vcehicular tunnels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207568616U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107916941A (en) * | 2017-12-15 | 2018-04-17 | 中交二公局东萌工程有限公司 | Bore quick-fried combined construction method in a kind of double main holes of three hole vcehicular tunnels and middle drift TBM |
| CN110748348A (en) * | 2019-10-15 | 2020-02-04 | 中交第二公路勘察设计研究院有限公司 | Tunnel construction method for assisting advance pre-reinforcement of main tunnel by using service tunnel |
| 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 |
| CN114635711A (en) * | 2022-04-24 | 2022-06-17 | 中铁长江交通设计集团有限公司 | Multifunctional flat guide |
-
2017
- 2017-12-15 CN CN201721776383.7U patent/CN207568616U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107916941A (en) * | 2017-12-15 | 2018-04-17 | 中交二公局东萌工程有限公司 | Bore quick-fried combined construction method in a kind of double main holes of three hole vcehicular tunnels and middle drift TBM |
| CN110748348A (en) * | 2019-10-15 | 2020-02-04 | 中交第二公路勘察设计研究院有限公司 | Tunnel construction method for assisting advance pre-reinforcement of main tunnel by using service tunnel |
| 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 |
| CN114635711A (en) * | 2022-04-24 | 2022-06-17 | 中铁长江交通设计集团有限公司 | Multifunctional flat guide |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207568616U (en) | A kind of three hole vcehicular tunnels | |
| CN107916941A (en) | Bore quick-fried combined construction method in a kind of double main holes of three hole vcehicular tunnels and middle drift TBM | |
| CN103382844B (en) | A kind of tracked hydraulic sectional shelf-unit temporary lining and permanent support parallel operations piercing technique and equipment | |
| WO2016206618A1 (en) | Longwall mine construction method n00 | |
| AU2013358812B2 (en) | Solid-filling coal mining method with two pre-excavated tunnels for advancing | |
| CN103306680B (en) | Existing single-track tunnel enlarging is the construction method of multiple track tunnel | |
| CN104653187B (en) | Method for excavating geological large-section tunnel with water-rich sand layer | |
| CN103452561B (en) | Vertical in-tunnel construction method of multilayer transverse channel of underground excavation station of metro, and construction method on east side and west side | |
| CN103643979B (en) | Hydraulic support used for roadway temporary support and erecting and use method of hydraulic support | |
| CN107060795B (en) | A kind of underground mine TBM assembly construction methods | |
| CN103758522B (en) | A kind of temporary support for drivage face method and equipment thereof | |
| CN204113319U (en) | A kind of folding telescopic alley hydraulic support | |
| CN109403986A (en) | The synchronous enlarging of the parallel heading of TBM tunneling construction is the construction method of double line tunnel | |
| CN109882175B (en) | Cooperative operation method for realizing one-lane three-purpose working face mining and stoping equipment withdrawal | |
| CN106150509A (en) | A kind of double track tunnel is non-bores quick-fried mechanized construction method | |
| CN104373147B (en) | Folding extension type roadway hydraulic bracket | |
| CN205277431U (en) | Coal road tunnelling apparatus | |
| CN104405392B (en) | Three soft high seam tunnel jackings are kept on file anchor rete cord active support longwall top coal caving method | |
| WO2021003771A1 (en) | Design method for mine without leaving coal pillar and without roadway tunneling | |
| CN208441848U (en) | Freezing Method for Cross-passage Construction class rectangle push-bench | |
| CN104712356A (en) | Hydraulic self-moving circulating supporting tunnel combined support and construction method | |
| US20190376257A1 (en) | Grooving Device for Underground Structures and Its Construction Method | |
| CN206592127U (en) | Great burying TBM construction tunnel rock burst processing structures | |
| CN211648172U (en) | Ten-arm tunneling and tracing machine | |
| CN209523756U (en) | A kind of tunnel outlet support structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |