CN107269283B - A kind of big cross section tunneling subway station and running tunnel penetrate through construction method - Google Patents
A kind of big cross section tunneling subway station and running tunnel penetrate through construction method Download PDFInfo
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- CN107269283B CN107269283B CN201710707673.4A CN201710707673A CN107269283B CN 107269283 B CN107269283 B CN 107269283B CN 201710707673 A CN201710707673 A CN 201710707673A CN 107269283 B CN107269283 B CN 107269283B
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- 238000010276 construction Methods 0.000 title claims abstract description 70
- 230000005641 tunneling Effects 0.000 title claims abstract description 33
- 239000011435 rock Substances 0.000 claims abstract description 25
- 238000012407 engineering method Methods 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 31
- 239000010959 steel Substances 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 14
- 238000009412 basement excavation Methods 0.000 claims description 6
- 238000004873 anchoring Methods 0.000 claims description 4
- 239000004567 concrete Substances 0.000 claims description 3
- 239000011378 shotcrete Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/003—Linings or provisions thereon, specially adapted for traffic tunnels, e.g. with built-in cleaning devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
-
- 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
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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)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The present invention discloses a kind of big cross section tunneling subway station and running tunnel penetrates through construction method, comprising steps of one, preparation of construction, advance geologic prediction simultaneously judges that required engineering method is excavated in big cross section subway station and running tunnel；Two, start to construct, according to required engineering method, construct simultaneously to big cross section subway station with running tunnel；Three, perforation section is reserved, big cross section subway station is excavated to station end；When running tunnel is constructed to 5~10m of station end, face stopping is tunneled forward；Four, end reinforces, and reinforces to station end, running tunnel and reserved perforation section；Five, big cross section subway station and running tunnel are penetrated through, 5 reserved~10m of running tunnel is excavated in end point AT STATION, until perforation subway station and running tunnel.Big cross section tunneling provided by the invention subway station and running tunnel penetrate through construction method, reserve safe distance in running tunnel, and to reinforcing at perforation, disturb to country rock small, reduce construction risk.
Description
Technical field
The present invention relates to subway work technical fields, more particularly to a kind of big cross section tunneling subway station and running tunnel
Penetrate through construction method.
Background technique
In Urban Metro Construction, Underground Subway Station generally can all construct simultaneously with running tunnel, but tunneling big cross section
Since section is big, difficulty of construction is big when subway station, construction speed can lag behind running tunnel.Therefore, when running tunnel and vehicle
When section of standing friendship is passed through, suitable perforation technology and perforation opportunity is selected to become critical issue.
Currently, construction method is at tunnel big cross section connect perforation with light section with light section gradual transition to big cross section side
Based on formula.Although this method construction period is shorter, narrow-bore tunnel digs large cross-section tunnel and disturbs big, difficulty of construction to country rock
Greatly, it easily collapses and causes calamity, construction risk is big.
Summary of the invention
The object of the present invention is to provide a kind of big cross section tunneling subway stations and running tunnel to penetrate through construction method, to solve
The above-mentioned problems of the prior art reserves safe distance in running tunnel, and is effectively reinforced at perforation, to country rock
It disturbs small, reduces construction risk, ensure that construction safety.
To achieve the above object, the present invention provides the following technical scheme that
The present invention provides a kind of big cross section tunneling subway station and running tunnel penetrates through construction method, includes the following steps:
One, preparation of construction carries out advance geologic prediction and judges that institute is excavated in big cross section subway station and running tunnel accordingly
Need engineering method；
Two, start to construct, according to required engineering method, construct simultaneously excavation to big cross section subway station and running tunnel；
Three, perforation section is reserved, big cross section subway station is excavated to station end by required engineering method；Running tunnel is pressed into institute
When engineering method being needed to be excavated to 5~10m of station end, the face stopping of running tunnel is tunneled forward；
Four, end reinforces, and reinforces to the station end, running tunnel and reserved perforation section；
Five, big cross section subway station and running tunnel are penetrated through, 5 reserved~10m of running tunnel is excavated in end point AT STATION,
Until perforation subway station and running tunnel.
Optionally, the construction of running tunnel described in step 2 specifically comprises the following steps:
A, according to the actual situation by the reasonable subregion piecemeal of running tunnel, and arch advance support is applied；
B, subregion piecemeal tunneling, and system radial direction anchor pole and interim steel arch-shelf are applied in time；
C, when face is pushed ahead away from the first Pin steel arch-shelf about 30m, a Pin steel arch-shelf is removed, and in time in corresponding positions
It sets and applies secondary lining arch wall and inverted arch；
D, circulation step A, B, C is until position of the face away from 5~10m of station end, face stopping are tunneled forward.
Optionally, big cross section metro station construction described in step 2 specifically comprises the following steps:
A, according to the actual situation by the reasonable subregion piecemeal in big cross section subway station, and arch advance support is applied；
B, subregion piecemeal excavates big cross section subway station, and applies system radial direction anchor pole and interim steel arch-shelf in time；
C, when face is pushed ahead away from the first Pin steel arch-shelf about 30m, a Pin steel arch-shelf is removed, and in time in corresponding positions
It sets and applies secondary lining arch wall and inverted arch；
D, circulation step A, B, C until face is tunneled to station tip position, tunnel forward by face stopping.
Optionally, the running tunnel and big cross section metro station construction respectively further comprise step E, remove opened in order
All interim steel arch-shelfs in region are dug, and apply lock foot anchoring stock, secondary lining arch wall and inverted arch in time, until it is secondary to have excavated region
Lining cutting all applies completion.
Optionally, step 5 described above specifically includes:
1) the section preliminary bracing of big cross section subway station end, is applied, steel mesh and gunite concrete are hung；
2), in big cross section subway station end section part along running tunnel design profile line, and within the scope of contour line 3m
Apply two rows of arch advance supports；
3), subregion piecemeal excavates reserved perforation section, and applies system radial direction anchor pole and interim steel arch-shelf in time；
4) perforation of big cross section tunneling subway station and running tunnel, is completed.
Optionally, the arch advance support is uniformly arranged on country rock using advance anchor bolt or steel pipe, and with
The country rock radial direction cross section perpendicular.
Optionally, grouting and reinforcing is carried out at the country rock around the big cross section subway station and the running tunnel.
Optionally, the radial anchor pole is uniformly distributed in country rock surrounding, and is respectively perpendicular to country rock axial direction section.
Big cross section tunneling provided by the invention subway station and running tunnel penetrate through construction method, have compared with prior art
There is following technical effect:
1, adaptable；The present invention can adapt to various complex geological conditions, especially in the various complexity such as weak surrounding rock
Under geological conditions, effect is especially pronounced.
2, highly-safe；It is traditional in a manner of light section gradual transition to big cross section based on construction method country rock is disturbed
Greatly, difficulty of construction is big, easily collapses and causes calamity, and construction risk is big.The present invention reserves safe distance in running tunnel first, and to passing through
Logical place is effectively reinforced, and is then constructed in such a way that big cross section is transitioned into small end face.The traditional perforation construction of effective solution
The problems such as method disturbs greatly country rock, and construction risk is high, ensure that construction safety.
3, at low cost；Difficulty of construction of the present invention is low, reduces the triviality of personnel, machinery and construction method adjustment, drop
Low construction cost.
4 flexibilities are good；The present invention can according to country rock actual conditions, flexibly adjustment station end section with remain to penetrate through in advance
The support pattern in area.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings；
Fig. 1 is that big cross section tunneling of the present invention subway station and running tunnel penetrate through construction process schematic diagram；
Fig. 2 is big cross section tunneling of the present invention subway station end schematic cross-sectional view；
Fig. 3 is running tunnel of the present invention construction schematic cross-sectional view；
Fig. 4 is big cross section tunneling of the present invention subway station and running tunnel perforation construction vertical section schematic diagram；
Description of symbols: 1 it is system radial direction anchor pole, 2 is arch advance support, 3 is arch wall, 4 is inverted arch, 5 is interim
Steel arch-shelf, 6 be Station end section, 7 be face, 8 be country rock, 9 be running tunnel design profile line, 10 be lock foot anchor
Bar, 11 are the section preliminary bracing of station end.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of big cross section tunneling subway stations and running tunnel to penetrate through construction method, to solve
The above-mentioned problems of the prior art reserves safe distance in running tunnel, and is effectively reinforced at perforation, to country rock
It disturbs small, reduces construction risk, ensure that construction safety.
Big cross section tunneling provided by the invention subway station and running tunnel penetrate through construction method, include the following steps:
One, preparation of construction carries out advance geologic prediction and judges that institute is excavated in big cross section subway station and running tunnel accordingly
Need engineering method；
Two, start to construct, according to required engineering method, construct simultaneously excavation to big cross section subway station and running tunnel；
Three, perforation section is reserved, big cross section subway station is excavated to station end by required engineering method；Running tunnel is constructed
When to 5~10m of station end, face stopping is tunneled forward；
Four, end reinforces, and reinforces to the station end, running tunnel and reserved perforation section；
Five, big cross section subway station and running tunnel are penetrated through, 5 reserved~10m of running tunnel is excavated in end point AT STATION,
Until perforation subway station and running tunnel.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
The Specific construction process of big cross section tunneling provided by the invention subway station and running tunnel perforation construction method is such as
Shown in Fig. 1；Firstly, carrying out preparation of construction, advance geologic prediction, and judge operating condition, determines big cross section subway station and area according to this
Between tunnel respectively excavate needed for engineering method；Big cross section subway station is excavated simultaneously with running tunnel, excavate before respectively to place to be dug into
Row leading pre-supporting, Rapid Excavation, the part dug carry out primary supporting and secondary lining in time step by step later.Wherein, area
Between tunnel excavation to away from 5~10m of station end locate, face stop tunnel；And big cross section subway station section is excavated arrive vehicle always
Stand end, later Closed station end, and AT STATION end to reinforcing leading pre-supporting around running tunnel design profile line, it
Running tunnel is excavated along running tunnel design profile line until running tunnel is reserved at face afterwards；At this point, completing construction, realize
The perforation of big cross section tunneling subway station and running tunnel.
In above-mentioned work progress, running tunnel is excavated along running tunnel design profile line until running tunnel reserves area
At face, first reinforces leading pre-supporting before excavating, substep Rapid Excavation later, when digging to the region dug carry out primary supporting and
Secondary lining.
Specifically, as shown in Fig. 2, big cross section tunneling of the present invention subway station Specific construction process are as follows: A, according to practical feelings
The reasonable subregion piecemeal of running tunnel is applied arch advance support 2 by condition；B, it is excavated with reasonable working procedure subregion piecemeal
Subway station, and system radial direction anchor pole 1 and interim steel arch-shelf 5 are applied in time；C, it is pushed ahead to face interim away from the first Pin
When the about 30m of steel arch-shelf 5, the interim steel arch-shelf 5 of a Pin is removed, and apply secondary lining arch wall 3 and inverted arch 4 in corresponding position in time；
D, tri- circulation A, B, C steps form big cross section tunneling subway station end section 6 up to the driving of face 7 to station end,
Interim steel arch-shelf 5 is removed in order, and applies lock foot anchoring stock 10 and secondary lining arch wall 3, inverted arch 4 in time, until subway station
Secondary lining all applies completion.
As shown in figure 3, running tunnel of the present invention excavates construction process are as follows: A, according to the actual situation that running tunnel is reasonable
Subregion piecemeal applies arch advance support 2；B, it is excavated with reasonable working procedure subregion piecemeal, and applies system diameter in time
To anchor pole 1 and interim steel arch-shelf 5；C, it when face pushes ahead steel arch-shelf 5 about 30m interim away from the first Pin, removes a Pin and faces
When steel arch-shelf 5, and apply secondary lining arch wall 3 and inverted arch 4 in corresponding position in time；D, tri- circulation A, B, C steps are until the palm
Son driving removes interim steel arch-shelf 5, and apply lock foot anchoring stock 10 and secondary lining arch wall 3 in time, face upward to station end in order
Arch 4, until subway station secondary lining all applies completion.
As shown in figure 4, big cross section tunneling of the present invention subway station and running tunnel penetrate through construction process are as follows: A, apply station
End section preliminary bracing 11, hangs steel mesh and gunite concrete should also carry out grouting and reinforcing if 8 condition of country rock is poor；B, exist
Station end section part applies two rows of arch advance supports 2 along running tunnel design profile line 9 within the scope of its 3m, if country rock 8
Condition is poor, Ying Jinhang grouting and reinforcing or use other reinforcing modes；C, according to the actual situation by the reasonable subregion of running tunnel
Piecemeal；D, with reasonable working procedure, subregion piecemeal excavates running tunnel region to be penetrated through, and applies system radial direction anchor in time
Bar 1 and interim steel arch-shelf 5；E, in digging process, reinforce the Real-Time Measuring and timely feedback, adjust support pattern in time, really
Protect safe construction at perforation.F, it is excavated to face 7, completes the perforation of big cross section tunneling subway station and running tunnel.
Big cross section tunneling provided by the invention subway station and running tunnel penetrate through construction method, adaptable；It can fit
Various complex geological conditions and environmental condition are answered, especially under the various complex geological conditions such as weak surrounding rock, effect is especially aobvious
It writes.It is highly-safe；It is traditional in a manner of light section gradual transition to big cross section based on construction method big, construction is disturbed to country rock
Difficulty is big, easily collapses and causes calamity, and construction risk is big.The present invention reserves safe distance in running tunnel first, and at perforation into
Row effectively reinforce, then by big cross section be transitioned into it is light-gauge in a manner of construct.The traditional perforation construction method pair of effective solution
The problems such as country rock disturbance is big, and construction risk is high, ensure that construction safety.It is at low cost；Difficulty of construction of the present invention is low, reduces people
The triviality that member, mechanical and construction method adjust, reduces construction cost.Flexibility is good；The present invention can be according to country rock reality
Situation, flexibly adjustment Station end section and the support pattern for remaining perforation area in advance.
Apply that a specific example illustrates the principle and implementation of the invention in this specification, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (8)
1. a kind of big cross section tunneling subway station and running tunnel penetrate through construction method, characterized by the following steps:
One, preparation of construction carries out advance geologic prediction and judges big cross section subway station and running tunnel according to advance geologic prediction
Engineering method needed for excavating；
Two, start to construct, according to required engineering method, construct simultaneously excavation to big cross section subway station and running tunnel；
Three, perforation section is reserved, big cross section subway station is excavated to station end by required engineering method；Running tunnel is pressed into required work
When method is excavated to 5~10m of station end, the face stopping of running tunnel is tunneled forward；
Four, end reinforces, and reinforces to the station end, running tunnel and reserved perforation section；
Five, big cross section subway station and running tunnel are penetrated through, 5 reserved~10m of running tunnel is excavated in end point AT STATION, until
Penetrate through subway station and running tunnel.
2. big cross section tunneling according to claim 1 subway station and running tunnel penetrate through construction method, it is characterised in that:
The construction of running tunnel described in step 2 specifically comprises the following steps:
A, according to the actual situation by the reasonable subregion piecemeal of running tunnel, and arch advance support is applied；
B, subregion piecemeal tunneling, and system radial direction anchor pole and interim steel arch-shelf are applied in time；
C, when face is pushed ahead away from the first Pin steel arch-shelf about 30m, a Pin steel arch-shelf is removed, and apply in time in corresponding position
Make secondary lining arch wall and inverted arch；
D, circulation step A, B, C is until position of the face away from 5~10m of station end, face stopping are tunneled forward.
3. big cross section tunneling according to claim 1 subway station and running tunnel penetrate through construction method, it is characterised in that:
Big cross section metro station construction described in step 2 specifically comprises the following steps:
A, according to the actual situation by the reasonable subregion piecemeal in big cross section subway station, and arch advance support is applied；
B, subregion piecemeal excavates big cross section subway station, and applies system radial direction anchor pole and interim steel arch-shelf in time；
C, when face is pushed ahead away from the first Pin steel arch-shelf about 30m, a Pin steel arch-shelf is removed, and apply in time in corresponding position
Make secondary lining arch wall and inverted arch；
D, circulation step A, B, C until face is tunneled to station tip position, tunnel forward by face stopping.
4. big cross section tunneling according to claim 2 or 3 subway station and running tunnel penetrate through construction method, feature exists
Step E is respectively further comprised in: the running tunnel and big cross section metro station construction, removes excavated that region is all to be faced in order
When steel arch-shelf, and apply lock foot anchoring stock, secondary lining arch wall and inverted arch in time, all applied until having excavated region secondary lining
It completes.
5. big cross section tunneling according to claim 1 subway station and running tunnel penetrate through construction method, it is characterised in that:
The step 5 specifically includes:
1) the section preliminary bracing of big cross section subway station end, is applied, steel mesh and gunite concrete are hung；
2) it, is applied in big cross section subway station end section part along running tunnel design profile line, and within the scope of contour line 3m
Two rows of arch advance supports；
3), subregion piecemeal excavates reserved perforation section, and applies system radial direction anchor pole and interim steel arch-shelf in time；
4) perforation of big cross section tunneling subway station and running tunnel, is completed.
6. big cross section tunneling according to claim 5 subway station and running tunnel penetrate through construction method, it is characterised in that:
The arch advance support is uniformly arranged on country rock using advance anchor bolt or steel pipe, and with the country rock radial direction section
Vertically.
7. big cross section tunneling according to claim 5 subway station and running tunnel penetrate through construction method, it is characterised in that:
Grouting and reinforcing is carried out at the country rock around the big cross section subway station and the running tunnel.
8. big cross section tunneling according to claim 5 subway station and running tunnel penetrate through construction method, it is characterised in that:
The system radial direction anchor pole is the system radial direction anchor pole of big cross section subway station, running tunnel and reserved perforation section, and it is uniformly
It is distributed in country rock surrounding, and is respectively perpendicular to country rock axial direction section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710707673.4A CN107269283B (en) | 2017-08-17 | 2017-08-17 | A kind of big cross section tunneling subway station and running tunnel penetrate through construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710707673.4A CN107269283B (en) | 2017-08-17 | 2017-08-17 | A kind of big cross section tunneling subway station and running tunnel penetrate through construction method |
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| CN107269283A CN107269283A (en) | 2017-10-20 |
| CN107269283B true CN107269283B (en) | 2019-07-12 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107965328B (en) * | 2017-12-29 | 2019-09-06 | 中车建设工程有限公司 | Underground station whole dark digging construction method |
| CN108457658B (en) * | 2018-03-14 | 2019-12-06 | 济南城建集团有限公司 | Construction method for single-hole bidirectional construction intersection section of tunnel with soil layer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19617199A1 (en) * | 1996-04-29 | 1997-10-30 | Hochtief Ag Hoch Tiefbauten | Station-formation method in Tubbing-lined railway tunnel |
| CN101289938A (en) * | 2008-06-12 | 2008-10-22 | 北京城建设计研究总院有限责任公司 | Subway shield tunnel enlarging station special area and station structure connecting method |
| CN101864959A (en) * | 2009-04-17 | 2010-10-20 | 中铁工程设计咨询集团有限公司 | Method for tunneling construction of main structure of underground station |
| CN105041349A (en) * | 2015-07-26 | 2015-11-11 | 北京工业大学 | Underground excavation construction method for expanded excavation of station on basis of metro regional shield tunnel |
-
2017
- 2017-08-17 CN CN201710707673.4A patent/CN107269283B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19617199A1 (en) * | 1996-04-29 | 1997-10-30 | Hochtief Ag Hoch Tiefbauten | Station-formation method in Tubbing-lined railway tunnel |
| CN101289938A (en) * | 2008-06-12 | 2008-10-22 | 北京城建设计研究总院有限责任公司 | Subway shield tunnel enlarging station special area and station structure connecting method |
| CN101864959A (en) * | 2009-04-17 | 2010-10-20 | 中铁工程设计咨询集团有限公司 | Method for tunneling construction of main structure of underground station |
| CN105041349A (en) * | 2015-07-26 | 2015-11-11 | 北京工业大学 | Underground excavation construction method for expanded excavation of station on basis of metro regional shield tunnel |
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| CN107269283A (en) | 2017-10-20 |
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