CN108775243A - A kind of shield machine narrow space originates construction method - Google Patents
A kind of shield machine narrow space originates construction method Download PDFInfo
- Publication number
- CN108775243A CN108775243A CN201810667836.5A CN201810667836A CN108775243A CN 108775243 A CN108775243 A CN 108775243A CN 201810667836 A CN201810667836 A CN 201810667836A CN 108775243 A CN108775243 A CN 108775243A
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- Prior art keywords
- installation
- shield
- shield machine
- construction method
- steps
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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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
Abstract
The invention discloses a kind of shield machine narrow spaces to originate construction method, which includes mainly that ground installation installation, the installation of borehole wall equipment, bottom equipment installation and shield machine install four steps；By to above-mentioned steps, the especially combing and process optimization of shield machine installation steps, the present invention proposes the shield launching construction method of a set of safe and efficient narrow space on the whole, can ensure the security and stability of subsequent construction by this method, and can save construction cost and duration.
Description
Technical field
The present invention relates to a kind of construction method of tunneling shield, specially a kind of shield machine narrow space originates construction party
Method.
Background technology
Currently, slurry shield has been subway tunnel, the main construction party in the fields such as gas supply tunnel, electric power tunnel of supplying water
Method.During slurry shield is constructed, shield launching technology plays the role of vital, the beginning in entire work progress
Hair construction operation is the process for the accident that most easily produces, and can be directly related to shield tunnel smoothly penetrate through.And due to very much
The place of shield launching is in big city, so originating, place is often very narrow, this development to shield launching preparation
Prodigious influence is caused, therefore, for narrow shield launching place, it is necessary to propose a kind of shield machine of narrow space
Originate construction method.
Invention content
It is an object of the invention to propose that a kind of shield machine narrow space originates construction method, to solve the above-mentioned prior art
In deficiency.
Shield machine narrow space of the present invention originates construction method, and steps are as follows for Specific construction：
（1）Ground installation installation steps are carried out first, which includes successively：Box-type substation installation, gantry crane installation, pneumatics
Machine installation, the installation of Slurry treatment system, mortar stirring device installation, cooling pond installation, assembling, grouting equipment installation.
Wherein, box-type substation is 1000KVA substations, and substation is built first, in accordance with the position of horizontal layout before installation
Basis, it is in place on the basis of being installed to box-type substation with crane after the completion of basic, then bury ground around box-type substation
Line installs lightning protection system.
Slurry treatment system includes two groups of bypass circulations, and one group is installed on and originates silo bottom, is mainly used for pipeline continued access
When, maintain the normal circulation of muddy water in pipeline（Partial circulating）, in addition, being blocked as our portions of muddy water occur, can also utilize this bypass
Circuit carries out back flush, and another group is mounted in Suporting structure host, is mainly used for adjusting into row's mud flow rate；Slurry treatment
System mainly include a treating capacity be 500 m3/h mud and water separating equipment and two treating capacities be 60 m3/h seperator,
Mud and water separating equipment is mainly used for firsts and seconds separation, and seperator is mainly used for three-level separation.
（2）Then borehole wall equipment installation steps are carried out, which includes successively：Lift installation, power cable installation, mud
Starch Pipe installing, cooling water pipe installation, compression gas pipe installation, air hose installation, telephone wire installation, sewage pipe installation；
（3）Then bottom equipment installation steps are carried out, which includes successively：Dredge pump installation, counter force wall installation, hole sealing
Installation measures holder installation, the installation of steel construction pedestal, the installation of shield guide rail, the installation of trailer rack；
（4）Shield machine installation steps are finally carried out, the shield machine installation steps are specially：（a）Ground is spelled with hanging device
The shield machine first segment installed, hangs onto on the guide rail for filling lubricant grease, is pushed ahead it along guide rail by hydraulic cylinder,
Until cutterhead stops promoting when fully entering portal sealing ring；（b）The section of shield machine second is hung in vertical shaft, guide rail is placed in
On, it is proper that adjustment position makes it put, and starts hydraulic cylinder, pushes it against first segment, when it is inserted into first segment, slows down propulsion
Speed measures insertion, when reaching precalculated position, stops promoting, fit sealing circle hold-down bolt, connects guiding oil cylinder, even
Various cables and cooling water, compressed air, supply and discharge mud and fluid pressure line are connect, to complete the connection of the section of shield machine first and second
Work；（c）Shield shield tail is hung in vertical shaft with hanging device, connection shield machine second section and the shield tail for having been placed in steel loop,
The related oil cylinder of connection, cable and pipeline；（d）After steel pushing pad is mounted on shield tail, its edge and shield tail edge weight are made by crane
It closes, is welded and fixed plate and fixes；（e）Transformer trailer is mounted on the holder in vertical shaft, connects all cables, and test electric leakage
Defencive function；（f）Gone through before formal driving shield hydraulic system components, electrical system components, supply and discharge water pipeline, for plasma discharge
Pipeline, air line etc., and its sealing and installation accuracy are gone through, shield launching track and shield machine initial attitude are carried out
Check repetition measurement, it is ensured that after all parameter qualifications, could start to tunnel.
The present invention can generate following advantageous effect：
Four installations such as the present invention is by installing ground installation, borehole wall equipment is installed, bottom equipment is installed and shield machine is installed
The combing and process optimization of step propose a set of safe and efficient shield launching construction method, pass through this method on the whole
It can ensure the security and stability of subsequent construction, and construction cost and duration can be saved.
The present invention optimizes setting to shield machine installation steps, and by shield machine be divided into first segment, the second section, shield tail and
They, are then carried out installation connection by other corollary equipments respectively in starting well successively, ensure that shield in narrow space above
Structure machine originates the effect of preparation, and has saved construction land tenure, and security risk is low.
Description of the drawings
Fig. 1 is the schematic diagram that shield machine narrow space of the present invention originates construction method.
Specific implementation mode
With reference to embodiment, invention is further described in detail, and embodiments of the present invention are not limited thereto.
Shield machine narrow space of the present invention originates construction method, and steps are as follows for Specific construction：
（1）Ground installation installation steps are carried out first, which includes successively：Box-type substation installation, gantry crane installation, pneumatics
Machine installation, the installation of Slurry treatment system, mortar stirring device installation, cooling pond installation, assembling, grouting equipment installation.
Wherein, box-type substation is 1000KVA substations, and substation is built first, in accordance with the position of horizontal layout before installation
Basis, it is in place on the basis of being installed to box-type substation with crane after the completion of basic, then bury ground around box-type substation
Line installs lightning protection system.
Slurry treatment system includes two groups of bypass circulations, and one group is installed on and originates silo bottom, is mainly used for pipeline continued access
When, maintain the normal circulation of muddy water in pipeline（Partial circulating）, in addition, being blocked as our portions of muddy water occur, can also utilize this bypass
Circuit carries out back flush, and another group is mounted in Suporting structure host, is mainly used for adjusting into row's mud flow rate；Slurry treatment
System mainly include a treating capacity be 500 m3/h mud and water separating equipment and two treating capacities be 60 m3/h seperator,
Mud and water separating equipment is mainly used for firsts and seconds separation, and seperator is mainly used for three-level separation.
（2）Then borehole wall equipment installation steps are carried out, which includes successively：Lift installation, power cable installation, mud
Starch Pipe installing, cooling water pipe installation, compression gas pipe installation, air hose installation, telephone wire installation, sewage pipe installation；
（3）Then bottom equipment installation steps are carried out, which includes successively：Dredge pump installation, counter force wall installation, hole sealing
Installation measures holder installation, the installation of steel construction pedestal, the installation of shield guide rail, the installation of trailer rack；
（4）Shield machine installation steps are finally carried out, the shield machine installation steps are specially：（a）Ground is spelled with hanging device
The shield machine first segment installed, hangs onto on the guide rail for filling lubricant grease, is pushed ahead it along guide rail by hydraulic cylinder,
Until cutterhead stops promoting when fully entering portal sealing ring；（b）The section of shield machine second is hung in vertical shaft, guide rail is placed in
On, it is proper that adjustment position makes it put, and starts hydraulic cylinder, pushes it against first segment, when it is inserted into first segment, slows down propulsion
Speed measures insertion, when reaching precalculated position, stops promoting, fit sealing circle hold-down bolt, connects guiding oil cylinder, even
Various cables and cooling water, compressed air, supply and discharge mud and fluid pressure line are connect, to complete the connection of the section of shield machine first and second
Work；（c）Shield shield tail is hung in vertical shaft with hanging device, connection shield machine second section and the shield tail for having been placed in steel loop,
The related oil cylinder of connection, cable and pipeline；（d）After steel pushing pad is mounted on shield tail, its edge and shield tail edge weight are made by crane
It closes, is welded and fixed plate and fixes；（e）Transformer trailer is mounted on the holder in vertical shaft, connects all cables, and test electric leakage
Defencive function；（f）Gone through before formal driving shield hydraulic system components, electrical system components, supply and discharge water pipeline, for plasma discharge
Pipeline, air line etc., and its sealing and installation accuracy are gone through, shield launching track and shield machine initial attitude are carried out
Check repetition measurement, it is ensured that after all parameter qualifications, could start to tunnel.
The foregoing is only a preferred embodiment of the present invention, is not limited to invent, although with reference to aforementioned implementation
Invention is explained in detail for example, still can be to foregoing embodiments for the technical staff in the wooden field
Recorded technical solution is modified or equivalent replacement of some of the technical features.It is all invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should be included within the protection domain of invention.
Claims (3)
1. a kind of shield machine narrow space originates construction method, which is characterized in that steps are as follows for the construction method Specific construction：
（1）Ground installation installation steps are carried out first, which includes successively：Box-type substation installation, gantry crane installation, pneumatics
Machine installation, the installation of Slurry treatment system, mortar stirring device installation, cooling pond installation, assembling, grouting equipment installation；
（2）Then borehole wall equipment installation steps are carried out, which includes successively：Lift installation, power cable installation, mud tube
Road installation, cooling water pipe installation, compression gas pipe installation, air hose installation, telephone wire installation, sewage pipe installation；
（3）Then bottom equipment installation steps are carried out, which includes successively：Dredge pump installation, counter force wall installation, hole sealing
Installation measures holder installation, the installation of steel construction pedestal, the installation of shield guide rail, the installation of trailer rack；
（4）Shield machine installation steps are finally carried out, the shield machine installation steps are specially：（a）Ground is spelled with hanging device
The shield machine first segment installed, hangs onto on the guide rail for filling lubricant grease, is pushed ahead it along guide rail by hydraulic cylinder,
Until cutterhead stops promoting when fully entering portal sealing ring；（b）The section of shield machine second is hung in vertical shaft, guide rail is placed in
On, it is proper that adjustment position makes it put, and starts hydraulic cylinder, pushes it against first segment, when it is inserted into first segment, slows down propulsion
Speed measures insertion, when reaching precalculated position, stops promoting, fit sealing circle hold-down bolt, connects guiding oil cylinder, even
Various cables and cooling water, compressed air, supply and discharge mud and fluid pressure line are connect, to complete the connection of the section of shield machine first and second
Work；（c）Shield shield tail is hung in vertical shaft with hanging device, connection shield machine second section and the shield tail for having been placed in steel loop,
The related oil cylinder of connection, cable and pipeline；（d）After steel pushing pad is mounted on shield tail, its edge and shield tail edge weight are made by crane
It closes, is welded and fixed plate and fixes；（e）Transformer trailer is mounted on the holder in vertical shaft, connects all cables, and test electric leakage
Defencive function；（f）Gone through before formal driving shield hydraulic system components, electrical system components, supply and discharge water pipeline, for plasma discharge
Pipeline, air line etc., and its sealing and installation accuracy are gone through, shield launching track and shield machine initial attitude are carried out
Check repetition measurement, it is ensured that after all parameter qualifications, start to tunnel.
2. river-crossing tunnel shield launching construction method as described in claim 1, which is characterized in that described（1）Step
In：Box-type substation is 1000KVA substations, and transformer substation foundation, basis are built first, in accordance with the position of horizontal layout before installation
After the completion, in place on the basis of being installed to box-type substation with crane, ground wire is then buried around box-type substation, installation is kept away
Thunder system.
3. river-crossing tunnel shield launching construction method as described in claim 1, which is characterized in that described（1）Step
In：Slurry treatment system includes two groups of bypass circulations, and one group is installed on and originates silo bottom, and another group is mounted on Suporting structure master
In machine；Slurry treatment system includes mainly the mud and water separating equipment that a treating capacity is 500 m3/h and two treating capacities are 60 m
The seperator of 3/h, mud and water separating equipment are mainly used for firsts and seconds separation, and seperator is mainly used for three-level separation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810667836.5A CN108775243B (en) | 2018-06-26 | 2018-06-26 | Shield tunneling machine narrow space starting construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810667836.5A CN108775243B (en) | 2018-06-26 | 2018-06-26 | Shield tunneling machine narrow space starting construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108775243A true CN108775243A (en) | 2018-11-09 |
| CN108775243B CN108775243B (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810667836.5A Active CN108775243B (en) | 2018-06-26 | 2018-06-26 | Shield tunneling machine narrow space starting construction method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005042546A (en) * | 2004-11-15 | 2005-02-17 | Kajima Corp | Branch type propulsive excavator |
| CN203891887U (en) * | 2014-05-27 | 2014-10-22 | 中铁十九局集团轨道交通工程有限公司 | Split starting shield tunneling machine |
| CN105298503A (en) * | 2015-09-16 | 2016-02-03 | 中铁十局集团第三建设有限公司 | Separate launching construction method of shield tunneling machine in narrow space |
| CN107725059A (en) * | 2017-09-27 | 2018-02-23 | 中铁十二局集团有限公司 | The ultrashort miniature shield machine main frame separate launching construction method originated under steric requirements |
-
2018
- 2018-06-26 CN CN201810667836.5A patent/CN108775243B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005042546A (en) * | 2004-11-15 | 2005-02-17 | Kajima Corp | Branch type propulsive excavator |
| CN203891887U (en) * | 2014-05-27 | 2014-10-22 | 中铁十九局集团轨道交通工程有限公司 | Split starting shield tunneling machine |
| CN105298503A (en) * | 2015-09-16 | 2016-02-03 | 中铁十局集团第三建设有限公司 | Separate launching construction method of shield tunneling machine in narrow space |
| CN107725059A (en) * | 2017-09-27 | 2018-02-23 | 中铁十二局集团有限公司 | The ultrashort miniature shield machine main frame separate launching construction method originated under steric requirements |
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| Publication number | Publication date |
|---|---|
| CN108775243B (en) | 2020-06-26 |
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| CB03 | Change of inventor or designer information |
Inventor after: Sun Zhenchuan Inventor after: Yang Zhenxing Inventor after: Lv Qianqian Inventor after: Chen Ruixiang Inventor after: Xu Huaguo Inventor after: Luo Qiong Inventor after: Guo Weishe Inventor after: Han Weifeng Inventor after: Zhang Bing Inventor after: Li Dong Inventor after: Zhou Jianjun Inventor after: Chen Kui Inventor after: Li Fengyuan Inventor before: Sun Zhenchuan Inventor before: Chen Ruixiang Inventor before: Xu Huaguo Inventor before: Han Weifeng Inventor before: Zhang Bing Inventor before: Li Dong Inventor before: Zhou Jianjun Inventor before: Chen Kui Inventor before: Li Fengyuan Inventor before: Yang Zhenxing Inventor before: Lv Qianqian |
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