CN110030006A - There is the shield tunneling method of a large amount of boulders by saturated sand and in layer of sand - Google Patents
There is the shield tunneling method of a large amount of boulders by saturated sand and in layer of sand Download PDFInfo
- Publication number
- CN110030006A CN110030006A CN201910295606.5A CN201910295606A CN110030006A CN 110030006 A CN110030006 A CN 110030006A CN 201910295606 A CN201910295606 A CN 201910295606A CN 110030006 A CN110030006 A CN 110030006A
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- China
- Prior art keywords
- cabin
- sand
- pressure
- layer
- transfer chamber
- 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.)
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Classifications
-
- 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
- E21D9/0642—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end
-
- 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
- E21D9/0642—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end
- E21D9/0657—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end structurally associated with rock crushers
-
- 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
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
Abstract
The invention discloses a kind of shield tunneling methods for having a large amount of boulders through saturated sand and in layer of sand, are related to shallow embedding shield technique field；Using the shield device for the formula of opening the cabin, which is excavated using the excavation utensil of backhoe type, and soil, sand, stone, boulder are taken off to cabin is excavated, and is transported by belt conveyer, while being crushed big boulder using destroyer；In saturated sand in digging process, the high pressure gas greater than hydraulic pressure in cabin is filled in the excavation cabin of shield device and operational window to prevent the orderly progress for pouring in, and preventing the collapsing obstruction of face mud, sand from excavating to face spray foam of water, sand, mud.Using the above method provided by the invention, both it can guarantee safe excavation, it prevents water, sand, mud from pouring in and excavates cabin and operational window, and boulder can be crushed by destroyer, solve the problems, such as to carry out major diameter boulder when water-rich sand layer and underwater excavation in city broken.
Description
Technical field
The present invention relates to the shallow embedding shield technique fields of the underground engineerings such as subway, water-conveyance tunnel, underground pipe gallery, more particularly to
A kind of shield tunneling method having a large amount of boulders through saturated sand and in layer of sand.
Background technique
During subway or the underground piping crossing project of shallow embedding are constructed, it can encounter frequently and be embedded in the ground such as mud, sand
Boulder (or Rolling Stone) in layer, needs to carry out break process to it.
Currently, if boulder block diameter is smaller, such as maximum diameter is less than 40cm, can use the knife of common disk cutting type
Disk and cutter head are crushed, and still, other than the cutterhead of major diameter (more than about 10m diameter), the opening on cutterhead is generally only
The boulder of≤50cm can be passed through.Big boulder (diameter > 50cm) then will be crushed it by the methods of explosion, crushing again.But in city
In city, being crushed big boulder using the method for punching explosion is often to be impermissible for.And if boulder amount reach every thousand linear meter(lin.m.)s subway or
Pipeline reaches several hundred, thousands of pieces, then very big to the influence of construction.Especially when shield machine passes through under river or underground water very
When handling boulder using into cabin when abundant, or punching explosion difficulty on the ground, then difficulty of construction is bigger.It is therefore desirable to develop
A kind of method solves in city rich groundwater or carries out broken ask to major diameter boulder at lower Chuan He, lake, shallow sea
Topic.
Summary of the invention
The purpose of the present invention is to provide a kind of shield tunneling sides for having a large amount of boulders through saturated sand and in layer of sand
Method, to solve foregoing problems existing in the prior art.
To achieve the goals above, The technical solution adopted by the invention is as follows:
A kind of shield tunneling method having a large amount of boulders through saturated sand and in layer of sand is filled using the shield for the formula of opening the cabin
It sets, which is excavated using the excavation utensil of backhoe type, and soil, sand, stone, boulder are taken off to cabin is excavated, and passes through belt
Transporter transports, while being crushed big boulder using destroyer；In saturated sand in digging process, the shield device
Excavation cabin and operational window in be filled with the high pressure gas greater than hydraulic pressure in cabin to prevent water, sand, mud from pouring in, and sprayed to face
Foam is penetrated to prevent the collapsing of face mud, sand from interfering the orderly progress excavated.
Preferably, the shield device further includes multiple transfer chambers, and the pressure of the transfer chamber is lower than excavation cabin and operation
Cabin, and the transfer chamber is located at after the operational window, arranges along the direction far from the operational window, the pressure of the transfer chamber
It is gradually reduced, during operator enters shield device, initially enters after staying for some time adaptation in the low cabin of air pressure,
It enters back into the higher cabin of pressure, during operator leaves shield device, initially enters in the low cabin of air pressure and stop one
After section temporal adaptation, enter back into the lower cabin of pressure.
Preferably, the transfer chamber is set as two, respectively First Transition cabin and the second transfer chamber, the First Transition
Cabin is arranged close to the operational window, is provided with control cabinet after second transfer chamber, is provided with multiple take the photograph in the excavation cabin
As head, it is provided with display and controller in the control cabinet, monitoring image is sent to the display simultaneously by the camera
It has been shown that, operator remotely control each operation machinery by the controller according to display content and work.
Preferably, the belt conveyer includes leading portion and back segment, from excavate cabin take off to the soil of belt conveyer, sand, stone,
Boulder, initially enters the belt conveyer leading portion for being located at and excavating in cabin, and soil that the leading portion transports, sand, stone, boulder pass through sealing
Funnel, then it is discharged into the belt conveyer back segment being located at the consistent working seal transfer chamber of the second transfer chamber air pressure, finally
It is transported by natural pressure chamber.
Preferably, the backhoe type to excavate utensil, destroyer and injector for face spray foam equal
It is mounted on the front end of the operational window, is worked in excavating cabin.The operational window, transfer chamber and control cabinet are located at upper layer, and from
Front end to rear end is arranged successively, and the excavation cabin, working seal transfer chamber and natural pressure chamber are located at lower layer, and from front end to rear
End is arranged successively, and is welded to connect between each cabin by steel plate, and each cabin is provided with hermatic door, and operator can be by described close
Closure door enters from operational window or First Transition cabin excavates cabin, enters working seal transfer chamber from cabin is excavated, by working seal mistake
It crosses cabin and enters nature pressure chamber.
Preferably, the gas pressure that the excavation cabin and operational window are filled with is 0.05~0.10MPa higher than hydraulic pressure in cabin.
Preferably, in digging process, the hydraulic pressure on face and in neighbouring layer of sand, soil layer is constantly measured.
Preferably, in each cabin, it is respectively provided at least two cameras and talkback unit, and camera and talkback unit is equal
It is connect with Master Control Room or control room.
The beneficial effects of the present invention are: the shield provided by the invention for having a large amount of boulders through saturated sand and in layer of sand
Excavation method is excavated using the excavation cabin of front open type (open chest) with reverse shovel grab, and wears the broken orphan of destroyer
Stone is filled with the air of certain pressure in excavating cabin and operational window using pneumatic process by water-rich sand layer excavation section to resist
Water pressure keeps the sealing and stabilization of tunnel (tunnel) face.So using the above method provided by the invention, it is big having
It measures boulder and by can both guarantee safe excavation under river, lake, seabed and under other geological conditions for having water saturation layer of sand, hinders
Sealing, sand, mud, which pour in, excavates cabin and operational window, by preventing the collapsing of face mud, sand from interfering to face spray foam
The orderly progress excavated, and can be crushed boulder by destroyer, to big when solving water-rich sand layer and underwater excavation in city
Diameter boulder carries out broken problem.
Detailed description of the invention
Fig. 1 is the side view of shield device；
Fig. 2 is the front view of shield device；
In figure, the meaning of each symbol is as follows:
The pipe of concrete of 1 push pipe or section of jurisdiction, 2 pressure chamber outer steel shells, 3 excavate cabins, 4 operational windows, 5 backhoe types delver
Tool, 6 destroyers, 7-1 First Transition cabin, the second transfer chamber of 7-2,8 hermatic doors, 9-1 belt conveyer leading portion, 9-2 belt-conveying
Machine back segment, 10-a working seal transfer chamber, 10-b nature pressure chamber, 11 control cabinets, 12 are for installing the excavation utensil of backhoe type
With mechanical component, 13 sealing funnels, 14 staircases, 15 steel plates, 16 injectors of destroyer.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing, to the present invention into
Row is further described.It should be appreciated that the specific embodiments described herein are only used to explain the present invention, it is not used to
Limit the present invention.
Embodiment
The embodiment of the invention provides a kind of shield tunneling method for having a large amount of boulders through saturated sand and in layer of sand,
Using the shield device for the formula of opening the cabin, which is excavated using the excavation utensil of backhoe type, and soil, sand, stone, boulder are taken off
To cabin is excavated, transported by belt conveyer, while being crushed big boulder using destroyer；It is described in digging process
The high pressure gas greater than hydraulic pressure in cabin is filled in the excavation cabin of shield device and operational window to prevent water, sand, mud from pouring in, and to
Face spray foam come prevent face mud, sand collapsing interfere excavate orderly progress.
The structure of shield device can be found in shown in Fig. 1-2.
In the above method provided by the invention, using the excavation cabin of front open type (open chest), reverse shovel grab is used
It excavates, and wears destroyer and be crushed boulder, so as to be carried out brokenly when solving in city and tunneling under water to major diameter boulder
Broken problem.Reverse shovel grab is main excavation mechinery, and no matter face is layer of sand or argillic horizon, is excavated with backhoe equal
It is easy to.Large, medium and small piece of boulder, which also can easily be dug into, excavates cabin, and passes through belt conveyer (hoist engine) for dregs stone
It transports.Wherein, relatively large boulder can be broken into fritter by destroyer.In the present invention, when passing through excavation section using pneumatic process,
Excavate and be filled with the air of certain pressure in cabin and operational window to resist water pressure, keep tunnel (tunnel) face sealing and
Stablize.In the present embodiment, the air pressure being filled with can be higher than 0.05~0.10MPa of hydraulic pressure of tunnel tunnel face；In practical application mistake
Cheng Zhong is excavated to inflate in cabin and operational window and is pressed and can first calculate, according to head height with 10m head height for 1 atmosphere
Pressure is that about 0.1MPa is standard, adds 1 atmospheric pressure, then high 0.05~0.10MPa as calculated value.
So using the above method provided by the invention, have a large amount of boulders and by river bed under and other have water saturation
It under the geological condition of layer of sand, can both guarantee safe excavation, prevent water, sand, mud from pouring in and excavate cabin and operational window, by area
Face spray foam prevents the collapsing of face mud, sand from interfering the orderly progress excavated, and can be crushed boulder by destroyer,
It solves the problems, such as broken to being carried out with underwater major diameter boulder in city.
The shield device further includes multiple transfer chambers, and the pressure of the transfer chamber, which is lower than, excavates cabin 3 and operational window 4, and
The transfer chamber is located at after the operational window 4, i.e., arranges along the direction far from the operational window 4, the pressure of the transfer chamber
Be gradually reduced, during operator enters shield device, initially enter stay for some time in the low transfer chamber of air pressure it is suitable
Ying Hou is entered back into the higher cabin of pressure, during operator leaves shield device, is initially entered and is stopped in the low cabin of air pressure
After staying a period of time to adapt to, enter back into the lower cabin of pressure.
In the embodiment of the present invention, cabin and operational window are excavated in order to prevent water, sand, mud from pouring in, is being excavated in cabin and operational window
It is filled with the high pressure gas for being greater than hydraulic pressure in cabin, if operator is directly entered excavation cabin and the operational window of high pressure from natural normal pressure
It is interior, it just will appear various reaction under high pressures.So multiple transfer chambers are provided in shield device, when needing to operate in the present invention
When personnel are entered in excavation cabin and operational window, then it can use multiple transfer chambers that air pressure gradually rises and carry out transition, make to operate
Personnel gradually adapt to the raising of pressure, finally enter back into the excavation cabin and operational window of high pressure.It is low to initially enter air pressure
It stays for some time after adaptation, is entered back into the higher cabin of pressure in transfer chamber, during operator leaves shield device,
It initially enters after staying for some time adaptation in the low transfer chamber of air pressure, enters back into the lower cabin of pressure.
In a preferred embodiments of the invention, the transfer chamber can be set to two, respectively First Transition cabin
7-1 and the second transfer chamber 7-2, the First Transition cabin 7-1 are arranged close to the operational window 4, second transfer chamber 7-2 it
After be arranged, followed by control cabinets 11, multiple cameras are provided in the excavation cabin 3, are provided with display in the control cabinet 11
Monitoring image is sent to the display and shown by device and controller, the camera, and operator is logical according to display content
It crosses the controller and remotely controls each operation machinery and work.In the present invention, multiple cameras can be set excavating in cabin,
For example 7~20 cameras are monitored the operational circumstances for excavating cabin, operator can be in normobaric control cabinet 11
In the image that is shown on a display screen by monitoring camera is mechanical to each operation (the excavation utensil of backhoe type, destroyer and is used for
To the injector etc. of face spray foam) it is remotely operated.In this way, operator need not pass in and out height daily under normal circumstances
The operational window of pressure excavates cabin work.
When necessary, operator can enter in operational window, directly observe and operate each machinery by the windowpane in front of it
(the excavating utensil, destroyer and for injector to face spray foam etc. of backhoe type).
Other staff can go out cabin by the hermatic door of operational window side when necessary, by staircase 14 above and below into
Enter to excavate cabin work, and excavation utensil, destroyer, belt conveyer and the funnel etc. for repairing backhoe type.
Operator can carry out transition by transfer chamber, to adapt to the variation of pressure when entering or leaving hyperbaric chamber.
Wherein, it for pressure in transfer chamber, can be configured according to the pressure of inflating excavated in cabin and operational window.For example, if hydraulic pressure
For 1.5 atmospheric pressure (head about 15-16m), that is, it is roughly equivalent to 0.15MPa, adds about 1 atmospheric pressure of the above air of the water surface, that is, open
Digging cabin should bear the pressure of 0.25MPa, therefore answer pressurising about 0.30MPa in excavating cabin and operational window.Staff can be advanced
Enter the low transfer chamber of pressure, wherein the gas of 0.175MPa pressure can be filled；The slightly higher transfer chamber of pressure is entered back into after adapting to,
In can fill the gas of 0.25MPa pressure；It is entered back into after adapting to and excavates cabin and operational window.Adaptation time can be in transfer chamber
0.5~1.5 hour.
The belt conveyer includes leading portion 9-1 and back segment 9-2, excavates soil, sand, stone, the boulder in cabin, initially enters and be located at
The belt conveyer leading portion 9-1 in cabin 3 is excavated, soil that the leading portion transports, sand, stone, boulder is by sealing funnel 13, then is discharged into
Positioned at the belt conveyer back segment 9-2 with the consistent working seal transfer chamber 10-a of the second transfer chamber 7-2 air pressure, finally pass
It is defeated and transported by nature pressure chamber 10-b.
Cabin mud, sand, the boulder etc. that dig out are excavated, by belt conveyer to transporting out of my cabin.High pressure has been filled due to excavating cabin
Gas, belt conveyer leading portion 9-1 be located at excavate cabin in, so its pressure with excavation cabin it is consistent.Mud that it is transported, sand, orphan
Stone etc. will be by sealing funnel 13, then is discharged into the belt-conveying being located at the consistent working seal transfer chamber of the second transfer chamber air pressure
Machine back segment 9-2 is finally transmitted and is transported by nature pressure chamber.
In the present embodiment, excavation utensil 5, the destroyer 6 of the backhoe type and for the spray to face spray foam
Emitter 16 is installed in the front end of the operational window 4, and the operational window 4, transfer chamber 5,6 and control cabinet 11 are located at upper layer, and from
Front end to rear end is arranged successively, and the excavation cabin 3 is tunneling boring open type, working seal transfer chamber 10-a and natural pressure chamber
10-b is located at lower layer, and is arranged successively from front to back, is welded to connect between each cabin by steel plate 15, each cabin is provided with
Hermatic door 8, operator, which can be entered by the hermatic door 8 from operational window 4 or First Transition cabin 7-1, excavates cabin 3, from excavation cabin
3 enter working seal transfer chamber 10-a, enter nature pressure chamber 10-b by working seal transfer chamber 10-a.
Wherein, each road hermatic door is all to be isolated variant pressure chamber, and what hermatic door was into and out variant pressure chamber must
The door that must pass through.The engaging portion in each cabin is all welded to connect with steel plate, prevents the gas leakage of different pressures cabin.
The gas pressure that the excavation cabin 3 and operational window 4 are filled with is 0.05~0.10MPa higher than hydraulic pressure in cabin.
In digging process, the hydraulic pressure on face and in neighbouring layer of sand, soil layer is constantly measured.
In the present invention, the sand for excavating cabin face and side wall, the hydraulic pressure in soil can be monitored at any time, and to excavating cabin, behaviour
The inner gas pressure made in cabin and transfer chamber adjusts.
In each cabin, it is respectively provided at least two cameras and talkback unit, and and master control by camera and talkback unit
Room or control room connection.
By using above-mentioned technical proposal disclosed by the invention, following beneficial effect has been obtained: provided by the invention logical
It crosses saturated sand and has the shield tunneling method of a large amount of boulders in layer of sand, using the excavation cabin of front open type (open chest),
It is excavated with reverse shovel grab, and wears destroyer and be crushed boulder, using pneumatic process by excavation section, excavating cabin and operational window
In be filled with the air of certain pressure to resist water pressure, keep the sealing and stabilization of tunnel (tunnel) face.So using
The above method provided by the invention, have a large amount of boulders and by river bed under and other geological conditions for having water saturation layer of sand under,
Both it can guarantee safe excavation, prevent water, sand, mud from pouring in and excavate cabin and operational window, by being prevented to face spray foam
Face mud, sand collapsing interfere the orderly progress excavated, and boulder can be crushed by destroyer, solved in city and water
It is beneath that broken problem is carried out to major diameter boulder.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
Depending on protection scope of the present invention.
Claims (8)
1. a kind of shield tunneling method for having a large amount of boulders through saturated sand and in layer of sand, which is characterized in that use and open the cabin
The shield device of formula, which is excavated using the excavation utensil of backhoe type, and soil, sand, stone, boulder are taken off to excavation
Cabin is transported by belt conveyer, while being crushed big boulder using destroyer；In saturated sand in digging process,
It is filled with the high pressure gas greater than hydraulic pressure in cabin in the excavation cabin of the shield device and operational window to prevent water, sand, mud from pouring in,
And the orderly progress for interfering to excavate of collapsing of face mud, sand is prevented to face spray foam.
2. the shield tunneling method according to claim 1 for having a large amount of boulders through saturated sand and in layer of sand, special
Sign is that the shield device further includes multiple transfer chambers, and the pressure of the transfer chamber, which is lower than, excavates cabin and operational window, and described
Transfer chamber is located at after the operational window, arranges along the direction far from the operational window, and the pressure of the transfer chamber is gradually reduced,
During operator enters shield device, initially enters after staying for some time adaptation in the low cabin of air pressure, enter back into pressure
In the higher cabin of power, during operator leaves shield device, initially enter stay for some time in the low cabin of air pressure it is suitable
Ying Hou is entered back into the lower cabin of pressure.
3. the shield tunneling method according to claim 2 for having a large amount of boulders through saturated sand and in layer of sand, special
Sign is that the transfer chamber is set as two, respectively First Transition cabin and the second transfer chamber, and the First Transition cabin is close to institute
Operational window setting is stated, control cabinet is provided with after second transfer chamber, is provided with multiple cameras in the excavation cabin, it is described
Display and controller are provided in control cabinet, monitoring image is sent to the display and shown by the camera, manipulation
Personnel remotely control each operation machinery by the controller according to display content and work.
4. the shield tunneling method according to claim 3 for having a large amount of boulders through saturated sand and in layer of sand, special
Sign is that the belt conveyer includes leading portion and back segment, is taken off from cabin is excavated to the soil of belt conveyer, sand, stone, boulder, first
Be introduced into the belt conveyer leading portion for being located at and excavating in cabin, soil that the leading portion transports, sand, stone, boulder by sealing funnel, then
It is discharged into the belt conveyer back segment being located at the consistent working seal transfer chamber of the second transfer chamber air pressure, finally by nature
Pressure chamber transports.
5. the shield tunneling method according to claim 4 for having a large amount of boulders through saturated sand and in layer of sand, special
Sign is, the excavation utensil of the backhoe type, destroyer and for being installed in institute to the injector of face spray foam
The front end of operational window is stated, the operational window, transfer chamber and control cabinet are located at upper layer, and are arranged successively from front to back, described
It excavates cabin, working seal transfer chamber and natural pressure chamber and is located at lower layer, and be arranged successively from front to back, pass through between each cabin
Steel plate is welded to connect, and each cabin is provided with hermatic door, and operator can be by the hermatic door from operational window or First Transition
Cabin, which enters, excavates cabin, enters working seal transfer chamber from cabin is excavated, enters nature pressure chamber by working seal transfer chamber.
6. the shield tunneling method according to claim 1 for having a large amount of boulders through saturated sand and in layer of sand, special
Sign is, described to excavate cabin and gas pressure that operational window is filled with is 0.05~0.10MPa higher than hydraulic pressure in cabin.
7. the shield tunneling method according to claim 1 for having a large amount of boulders through saturated sand and in layer of sand, special
Sign is, in digging process, constantly measures the hydraulic pressure on face and in neighbouring layer of sand, soil layer.
8. the shield tunneling method according to claim 1 for having a large amount of boulders through saturated sand and in layer of sand, special
Sign is, in each cabin, is respectively provided at least two cameras and talkback unit, and and Master Control Room by camera and talkback unit
Or control room connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910295606.5A CN110030006B (en) | 2019-04-12 | 2019-04-12 | Shield excavation method through water-saturated sand layer and with a large number of boulders in sand layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910295606.5A CN110030006B (en) | 2019-04-12 | 2019-04-12 | Shield excavation method through water-saturated sand layer and with a large number of boulders in sand layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110030006A true CN110030006A (en) | 2019-07-19 |
| CN110030006B CN110030006B (en) | 2020-09-01 |
Family
ID=67238325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910295606.5A Active CN110030006B (en) | 2019-04-12 | 2019-04-12 | Shield excavation method through water-saturated sand layer and with a large number of boulders in sand layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110030006B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112294577A (en) * | 2020-12-10 | 2021-02-02 | 成都天空燃控科技股份有限公司 | A transition cabin for life cabin business turn over |
| CN113482641A (en) * | 2021-08-30 | 2021-10-08 | 盾构及掘进技术国家重点实验室 | A ordinary pressure work cabin device for slurry shield constructs |
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| CN109433299A (en) * | 2018-09-27 | 2019-03-08 | 盾构及掘进技术国家重点实验室 | Processing unit and its application method for slurry shield cutterhead spoke position boulder |
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| CN102305083A (en) * | 2011-08-01 | 2012-01-04 | 北京市三一重机有限公司 | Shield machine and anterior shield system thereof |
| CN202194666U (en) * | 2011-08-30 | 2012-04-18 | 中国铁建重工集团有限公司 | Split communicated type airlock for shield machine |
| CN102518440A (en) * | 2011-12-27 | 2012-06-27 | 洛阳聚科特种工程机械有限公司 | Tunnel digging equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112294577A (en) * | 2020-12-10 | 2021-02-02 | 成都天空燃控科技股份有限公司 | A transition cabin for life cabin business turn over |
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| CN113482641B (en) * | 2021-08-30 | 2023-11-17 | 盾构及掘进技术国家重点实验室 | Normal pressure working cabin device for slurry shield |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110030006B (en) | 2020-09-01 |
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