CN107269283A - A kind of big cross section tunneling subway station and running tunnel insertion construction method - Google Patents
A kind of big cross section tunneling subway station and running tunnel insertion construction method Download PDFInfo
- Publication number
- CN107269283A CN107269283A CN201710707673.4A CN201710707673A CN107269283A CN 107269283 A CN107269283 A CN 107269283A CN 201710707673 A CN201710707673 A CN 201710707673A CN 107269283 A CN107269283 A CN 107269283A
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- section
- running tunnel
- big cross
- subway station
- station
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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 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 DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
Abstract
The present invention discloses a kind of big cross section tunneling subway station and running tunnel insertion construction method, including step：First, preparation of construction, advance geologic prediction simultaneously judges that required engineering method is excavated in big cross section subway station with running tunnel；2nd, start construction, according to required engineering method, big cross section subway station and running tunnel are constructed simultaneously；3rd, insertion section is reserved, big cross section subway station is excavated to station termination；When running tunnel is constructed to 5~10m of station termination, face stops tunneling forward；4th, termination is reinforced, and station termination, running tunnel and reserved insertion section are reinforced；5th, insertion big cross section subway station and running tunnel, 5~10m that running tunnel is reserved is excavated in end AT STATION, until insertion subway station and running tunnel.The big cross section tunneling subway station that the present invention is provided and running tunnel insertion construction method, safe distance is reserved in running tunnel, and to being reinforced at insertion, it is small to country rock disturbance, reduce construction risk.
Description
Technical field
The present invention relates to subway work technical field, more particularly to a kind of big cross section tunneling subway station and running tunnel
Insertion construction method.
Background technology
In Urban Metro Construction, Underground Subway Station typically all can simultaneously construct with running tunnel, but tunneling big cross section
Because section is big, difficulty of construction big during subway station, construction speed can lag behind running tunnel.Therefore, when running tunnel and car
When section of standing friendship is passed through, suitable insertion technology is selected to turn into key issue with insertion opportunity.
At present, construction method is connected at insertion with light section with light section gradual transition to big cross section side in tunnel big cross section
Based on formula.Although this method construction period is shorter, narrow-bore tunnel digs large cross-section tunnel and big, difficulty of construction is disturbed to country rock
Greatly, easily cave in cause calamity, construction risk is big.
The content of the invention
It is an object of the invention to provide a kind of big cross section tunneling subway station and running tunnel insertion construction method, to solve
The problem of above-mentioned prior art is present, safe distance is reserved in running tunnel, and to effectively being reinforced at insertion, to country rock
Disturbance is small, reduces construction risk, it is ensured that construction safety.
To achieve the above object, the invention provides following technical scheme：
The present invention provides a kind of big cross section tunneling subway station and running tunnel insertion construction method, comprises the following steps：
First, preparation of construction, carries out advance geologic prediction and judges that institute is excavated in big cross section subway station with running tunnel accordingly
Need engineering method；
2nd, construction is started, according to required engineering method, excavation of being constructed simultaneously to big cross section subway station and running tunnel；
3rd, insertion section is reserved, big cross section subway station is excavated to station termination by required engineering method；Running tunnel is pressed into institute
When needing the engineering method to be excavated to 5~10m of station termination, the face of running tunnel stops tunneling forward；
4th, termination is reinforced, and the station termination, running tunnel and reserved insertion section are reinforced；
5th, insertion big cross section subway station and running tunnel, 5~10m that excavation running tunnel in end is reserved AT STATION,
Until insertion subway station and running tunnel.
Optionally, the construction of running tunnel described in step 2 specifically includes following steps：
A, according to actual conditions by the rational subregion piecemeal of running tunnel, and apply arch advance support；
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, remove a Pin steel arch-shelfs, and in time in corresponding positions
Put and apply secondary lining arch wall and inverted arch；
D, circulation step A, B, C are until position of the face away from 5~10m of station termination, face stops tunneling forward.
Optionally, big cross section metro station construction described in step 2 specifically includes following steps：
A, according to actual conditions by the rational subregion piecemeal in big cross section subway station, and apply arch advance support；
B, subregion piecemeal excavate big cross section subway station, and apply 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, remove a Pin steel arch-shelfs, and in time in corresponding positions
Put and apply secondary lining arch wall and inverted arch；
D, circulation step A, B, C are until face is tunneled to station tip position, and face stops tunneling forward.
Optionally, running tunnel and the big cross section metro station construction respectively further comprises step E, removes 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 is specifically included：
1) the section preliminary bracing of big cross section subway station termination, is applied, bar-mat reinforcement and gunite concrete is hung；
2), in big cross section subway station termination section part along running tunnel design profile line, and in the range of contour line 3m
Apply two row arch advance supports；
3), subregion piecemeal excavates reserved insertion section, and applies system radial direction anchor pole and interim steel arch-shelf in time；
4) insertion 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 direction anchor pole is uniformly distributed in country rock surrounding, and is respectively perpendicular to the axial section of country rock.
The big cross section tunneling subway station that the present invention is provided and running tunnel insertion construction method, have compared with prior art
There is following technique effect：
1st, strong adaptability；The present invention can adapt to various complex geological conditions, particularly in the various complexity such as weak surrounding rock
Under geological conditions, effect is especially pronounced.
2nd, it is safe；Traditional construction method based on light section gradual transition to big cross section mode is disturbed to country rock
Greatly, difficulty of construction is big, and cause calamity of easily caving in, 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 the way of big cross section is transitioned into small end face.Effectively solve traditional insertion construction
Method disturbs big, the problems such as construction risk is high, it is ensured that construction safety to country rock.
3rd, cost is low；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 be according to country rock actual conditions, and flexible adjustment station termination section with remaining insertion in advance
The support pattern in area.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings；
Fig. 1 is big cross section tunneling subway station of the present invention and running tunnel insertion construction process schematic diagram；
Fig. 2 is big cross section tunneling subway station termination of the present invention 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 subway station of the present invention and running tunnel insertion construction vertical section schematic diagram；
Description of reference numerals：1 it is system radial direction anchor pole, 2 be arch advance support, 3 be arch wall, 4 be inverted arch, 5 is interim
Steel arch-shelf, 6 be Station termination section, 7 be face, 8 be country rock, 9 be running tunnel design profile line, 10 be lock pin anchor
Bar, 11 are the section preliminary bracing of station termination.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It is an object of the invention to provide a kind of big cross section tunneling subway station and running tunnel insertion construction method, to solve
The problem of above-mentioned prior art is present, safe distance is reserved in running tunnel, and to effectively being reinforced at insertion, to country rock
Disturbance is small, reduces construction risk, it is ensured that construction safety.
The big cross section tunneling subway station that the present invention is provided and running tunnel insertion construction method, comprise the following steps：
First, preparation of construction, carries out advance geologic prediction and judges that institute is excavated in big cross section subway station with running tunnel accordingly
Need engineering method；
2nd, construction is started, according to required engineering method, excavation of being constructed simultaneously to big cross section subway station and running tunnel；
3rd, insertion section is reserved, big cross section subway station is excavated to station termination by required engineering method；Running tunnel is constructed
During to 5~10m of station termination, face stops tunneling forward；
4th, termination is reinforced, and the station termination, running tunnel and reserved insertion section are reinforced；
5th, insertion big cross section subway station and running tunnel, 5~10m that excavation running tunnel in end is reserved AT STATION,
Until insertion subway station and running tunnel.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
The Specific construction flow of big cross section tunneling subway station that the present invention is provided and running tunnel insertion construction method is such as
Shown in Fig. 1；First, preparation of construction, advance geologic prediction are carried out, and judges operating mode, big cross section subway station and area are determined according to this
Between tunnel each excavate needed for engineering method；Big cross section subway station is excavated simultaneously with running tunnel, and place to be dug is entered respectively before excavating
Row leading pre-supporting, Rapid Excavation step by step afterwards, the part dug carries out primary supporting and secondary lining in time.Wherein, area
Between tunnel excavation to away from 5~10m of station termination locate, face stop tunnel；And big cross section subway station section is excavated arrive car always
Stand termination, afterwards Closed station termination, and AT STATION termination to strengthening 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；Now, construction is completed, is realized
The insertion 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, leading pre-supporting is first strengthened before excavating, substep Rapid Excavation afterwards, the region dug is carried out when digging primary supporting with
Secondary lining.
Specifically, as shown in Fig. 2 big cross section tunneling subway station Specific construction flow of the present invention is：A, according to actual feelings
The rational subregion piecemeal of running tunnel is applied arch advance support 2 by condition；B, with rational working procedure subregion piecemeal excavate
Subway station, and system radial direction anchor pole 1 and interim steel arch-shelf 5 are applied in time；C, to treat that face is pushed ahead interim away from the first Pin
During the about 30m of steel arch-shelf 5, the interim steel arch-shelfs 5 of a Pin are removed, and secondary lining arch wall 3 and inverted arch 4 are applied in relevant position in time；
D, circulation A, tri- steps of B, C are tunneled to station termination up to face 7, form big cross section tunneling subway station termination section 6,
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 excavation construction process of the present invention is：It is A, according to actual conditions that running tunnel is rational
Subregion piecemeal, applies arch advance support 2；B, excavate with rational working procedure subregion piecemeal, and apply system footpath in time
To anchor pole 1 and interim steel arch-shelf 5；C, when face pushes ahead steel arch-shelf 5 about 30m interim away from the first Pin, remove a Pin face
When steel arch-shelf 5, and secondary lining arch wall 3 and inverted arch 4 are applied in relevant position in time；D, circulation A, tri- steps of B, C 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 in order to station termination
Arch 4, until subway station secondary lining all applies completion.
As shown in figure 4, big cross section tunneling subway station of the present invention is with running tunnel insertion construction process：A, apply station
Termination section preliminary bracing 11, hangs bar-mat reinforcement and gunite concrete, if the condition of country rock 8 is poor, should also carry out grouting and reinforcing；B,
Station termination section part applies two row arch advance supports 2, if country rock 8 along running tunnel design profile line 9 in the range of its 3m
Condition is poor, should carry out grouting and reinforcing or use other reinforcing modes；C, according to actual conditions by the rational subregion of running tunnel
Piecemeal；D, with rational working procedure, subregion piecemeal excavates running tunnel and treats insertion region, and applies system radial direction anchor in time
Bar 1 and interim steel arch-shelf 5；In E, digging process, strengthen the Real-Time Measuring and feed back in time, support pattern is adjusted in time, really
Protect safe construction at insertion.F, it is excavated to face 7, completes the insertion of big cross section tunneling subway station and running tunnel.
The big cross section tunneling subway station that the present invention is provided and running tunnel insertion construction method, strong adaptability；It can fit
Various complex geological conditions and environmental condition are answered, particularly under the various complex geological conditions such as weak surrounding rock, effect particularly shows
Write.It is safe；Traditional construction method based on light section gradual transition to big cross section mode disturbs big, construction to country rock
Difficulty is big, and cause calamity of easily caving in, construction risk is big.The present invention reserves safe distance in running tunnel first, and to entering at insertion
Row is effectively reinforced, and is then transitioned into light-gauge mode with big cross section and is constructed.Effectively solve traditional insertion construction method pair
Country rock disturbance is big, the problems such as construction risk is high, it is ensured that construction safety.Cost is low；Difficulty of construction of the present invention is low, reduces people
The triviality of member, machinery and construction method adjustment, reduce construction cost.Flexibility is good；The present invention can be actual according to country rock
Situation, flexible adjustment Station termination section and the support pattern for remaining insertion area in advance.
Apply specific case in this specification to be set forth the principle and embodiment of the present invention, above example
Explanation be only intended to help to understand the method and its core concept of the present invention；Simultaneously for those of ordinary skill in the art,
According to the thought of the present invention, it will change in specific embodiments and applications.In summary, 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 insertion construction method, it is characterised in that：Comprise the following steps：
First, preparation of construction, carries out advance geologic prediction and judges that required work is excavated in big cross section subway station with running tunnel accordingly
Method；
2nd, construction is started, according to required engineering method, excavation of being constructed simultaneously to big cross section subway station and running tunnel；
3rd, insertion section is reserved, big cross section subway station is excavated to station termination by required engineering method；Running tunnel is pressed into required work
When method is excavated to 5~10m of station termination, the face of running tunnel stops tunneling forward；
4th, termination is reinforced, and the station termination, running tunnel and reserved insertion section are reinforced；
5th, insertion big cross section subway station and running tunnel, 5~10m that excavation running tunnel in end is reserved AT STATION, until
Insertion subway station and running tunnel.
2. big cross section tunneling subway station according to claim 1 and running tunnel insertion construction method, it is characterised in that：
The construction of running tunnel described in step 2 specifically includes following steps：
A, according to actual conditions by the rational subregion piecemeal of running tunnel, and apply arch advance support；
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, remove a Pin steel arch-shelfs, and applied in time in relevant position
Make secondary lining arch wall and inverted arch；
D, circulation step A, B, C are until position of the face away from 5~10m of station termination, face stops tunneling forward.
3. big cross section tunneling subway station according to claim 2 and running tunnel insertion construction method, it is characterised in that：
Big cross section metro station construction described in step 2 specifically includes following steps：
A, according to actual conditions by the rational subregion piecemeal in big cross section subway station, and apply arch advance support；
B, subregion piecemeal excavate big cross section subway station, and apply 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, remove a Pin steel arch-shelfs, and applied in time in relevant position
Make secondary lining arch wall and inverted arch；
D, circulation step A, B, C are until face is tunneled to station tip position, and face stops tunneling forward.
4. big cross section tunneling subway station according to claim 3 and running tunnel insertion construction method, it is characterised in that：
Running tunnel and the big cross section metro station construction respectively further comprises step E, remove that to have excavated region all interim in order
Steel arch-shelf, and lock foot anchoring stock, secondary lining arch wall and inverted arch are applied in time, all applied until having excavated region secondary lining
Into.
5. big cross section tunneling subway station according to claim 1 and running tunnel insertion construction method, it is characterised in that：
The step 5 is specifically included：
1) the section preliminary bracing of big cross section subway station termination, is applied, bar-mat reinforcement and gunite concrete is hung；
2), in big cross section subway station termination section part along running tunnel design profile line, and applied in the range of contour line 3m
Two row arch advance supports；
3), subregion piecemeal excavates reserved insertion section, and applies system radial direction anchor pole and interim steel arch-shelf in time；
4) insertion of big cross section tunneling subway station and running tunnel, is completed.
6. big cross section tunneling subway station according to claim 5 and running tunnel insertion 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 subway station according to claim 5 and running tunnel insertion 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 subway station according to claim 5 and running tunnel insertion construction method, it is characterised in that：
The radial direction anchor pole is uniformly distributed in country rock surrounding, and is respectively perpendicular to the axial section of country rock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Publication Number | Publication Date |
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| CN107269283A true CN107269283A (en) | 2017-10-20 |
| CN107269283B CN107269283B (en) | 2019-07-12 |
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| CN201710707673.4A Active 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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965328A (en) * | 2017-12-29 | 2018-04-27 | 中车建设工程有限公司 | Underground station whole dark digging construction method |
| CN108457658A (en) * | 2018-03-14 | 2018-08-28 | 济南城建集团有限公司 | A kind of texture stratum tunnel list hole bidirectional construction crosses section constructing method |
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| 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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2017
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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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965328A (en) * | 2017-12-29 | 2018-04-27 | 中车建设工程有限公司 | Underground station whole dark digging construction method |
| 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 |
| CN108457658A (en) * | 2018-03-14 | 2018-08-28 | 济南城建集团有限公司 | A kind of texture stratum tunnel list hole bidirectional construction crosses section constructing method |
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|---|---|
| CN107269283B (en) | 2019-07-12 |
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