CN106761792A - A kind of full-sleeve full-rotation drill sleeve and shield cutter preceding object thing sweep-out method - Google Patents
A kind of full-sleeve full-rotation drill sleeve and shield cutter preceding object thing sweep-out method Download PDFInfo
- Publication number
- CN106761792A CN106761792A CN201710041474.4A CN201710041474A CN106761792A CN 106761792 A CN106761792 A CN 106761792A CN 201710041474 A CN201710041474 A CN 201710041474A CN 106761792 A CN106761792 A CN 106761792A
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- Prior art keywords
- sleeve
- full
- shield
- barrier
- cutter
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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
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
-
- 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 full-sleeve full-rotation drill sleeve, including sleeve, the upper end of sleeve is connected with slewing drilling machine, and the lower end of sleeve is fixed with hard alloy serrated knife.The invention also discloses a kind of cutter head of shield machine preceding object thing sweep-out method, the method includes：To injecting bentonite in soil pressure cabin；Geological drilling hole is opened up, remove obstacles construction infection scope and the buried depth of shield cutter preceding object thing are determined with bit freezing method；Observation WATER LEVEL CHANGES；Determine the sleeve portion of full-sleeve full-rotation drill and tunneled to underground；The soil body and barrier in cleaning sleeve；The cutting-sleeve opening on sleeve；And the barrier cleared up between sleeve and shield cutter；Sand is backfilled in sleeve, and progressively pulls up sleeve in backfilling process.Beneficial effects of the present invention are：The quick position for determining barrier and buried depth, using full circle swinging full set cylinder rig can fast drilling, pressure water head is circumferentially descended using dewatering well reduction, it is to avoid piping quicksand risk, it is ensured that can be in sleeve upper shed removing obstacles thing.
Description
Technical field
The present invention relates to shield tunnel construction technology field, and in particular to a kind of full-sleeve full-rotation drill sleeve and shield
Cutterhead preceding object thing sweep-out method.
Background technology
During shield tunnel construction, due to the complexity of engineering geological condition and prospecting not enough thoroughly, shield machine exists
Boulder, erratic boulder may be run into work progress or the unknown hard objects such as the cable and optical cable left because of front, cause shield driving
It is difficult, it is impossible to drilling depth, shield machine is got into a difficult position.At present, when running into such situation during shield-tunneling construction, often first to front
Stratum carries out consolidation process, then takes normal pressure to open a position clear and definite shield cutter preceding object species type, and vertical shaft is used in front of cutterhead
Or the taking-up that opens a position, abolish barrier.However, there is certain defect in both processing methods：It is with pressure in shield machine to open a position
When, pressurize is difficult in soil pressure cabin, and the technical merit requirement to staff in cabin is high；Level of ground water is higher, and shield tunneling face is lost
Steady and worker safety's risk is higher；The consolidation process expense of two methods is higher, and the construction period is long, leverages
Engineering construction progress.Additionally, existing full-rotating drill sleeve is larger due to sleeve wall thickness, do not possess the bar that opened a position in sleeve wall
Part, is not suitable for removing the barrier outside sleeve.
The content of the invention
It is an object of the present invention in view of the shortcomings of the prior art, there is provided a kind of safe and simple full-sleeve full-rotation is bored
Machine and shield cutter preceding object thing sweep-out method.
The technical solution adopted by the present invention is：A kind of full-sleeve full-rotation drill sleeve, including sleeve, the upper end of sleeve with
Slewing drilling machine is connected, and slewing drilling machine provides rotary power for sleeve；The lower end of sleeve is fixed with hard alloy serrated knife.By above-mentioned side
Case, the sleeve is welded by single-unit sleeve is from beginning to end successively, and the wall thickness of sleeve is 20 ~ 30mm.
By such scheme, sleeve top is provided at circumferentially spaced multiple holes for hoist.
The present invention additionally uses a kind of cutter head of shield machine preceding object thing sweep-out method, comprises the following steps：
Step one, each mechanism for closing shield machine, stop driving, and keep the soil pressure stabilization in shield machine soil pressure cabin, to soil
Bentonite is injected in ballasting；
Step 2, the offer Novel sleeve for being used for full-sleeve full-rotation drill as described above, and slewing drilling machine etc.；
Step 3, from the shield cutter of shield machine top, adjacent ground surface opens up geological drilling hole, and shield cutter is determined with bit freezing method
Remove obstacles construction infection scope and the buried depth of preceding object thing；
Step 4, in the range of construction infection of removing obstacles dewatering well is opened up, carry out bailing test, and monitor pump-out, observe underground
SEA LEVEL VARIATION；
Step 5, the sleeve portion for determining full-sleeve full-rotation drill are simultaneously tunneled to underground, sleeve is covered obstacle to greatest extent
Thing position；Full-sleeve full-rotation drill is drilled at least 2m below shield tunnel bottom；
The soil body and barrier in step 6, cleaning sleeve；
Step 7, operator is delivered to sleeve bottom, and fresh air is persistently conveyed to sleeve bottom, in real-time monitoring sleeve
Oxygen content and other poison gas contents；
Step 8, on sleeve cutting-sleeve opening selected towards shield cutter direction according to sleeve portion and buried depth, it is artificial or
Mechanical means excavates the soil body outside sleeve openings, and the barrier cleared up between sleeve and shield cutter；
After the completion of step 9, barrier cleaning, sand is backfilled in sleeve, and progressively sleeve is pulled up in backfilling process；
Step 10, be ready for next stage cleaning.
By such scheme, in step 3, the construction infection of removing obstacles of shield cutter preceding object thing is determined using bit freezing method
Scope and buried depth；The bit freezing method is to the direction of shield cutter and by the lateral shield of shield cutter two along shield tunnel axis
Structure tunnel axis direction opens up geological drilling hole, and at shield cutter, the spacing in geological drilling hole is smaller.
By such scheme, in step 3, geological drilling hole is opened up using geological drilling rig, the depth in geological drilling hole should surpass
Cross 2m below shield tunnel bottom；During drilling, the drill bit of geological drilling rig is not less than 500mm with the distance of shield cutter.
By such scheme, in step 5, full-sleeve full-rotation drill is drilled into below shield tunnel bottom after at least 2m, is led to
Cross unlatching dewatering well to draw water, make below underground bearing water potential drop to shield tunnel bottom.
By such scheme, in step 8, sleeve openings are not more than 0.5m2, whether observed after cutting has Sand to show
As：If so, continuing to be drawn water lowering of watertable from dewatering well；If nothing, excavated outside sleeve openings using manually or mechanically means
The soil body, and the barrier cleared up between sleeve and shield cutter.
By such scheme, in step 3, in coverage of removing obstacles, namely shield cutter front and 1 ~ 2 times of both sides tunnel
Interval setting surface subsidence monitoring point in the range of road buried depth, in barrier reset procedure, is supervised with the frequency for being not less than 12h/ times
The ground settlement that survey is removed obstacles in coverage deforms.
By such scheme, in step 5, if the soil body or barrier are harder, can be first with the impact drill addi-tional crusher soil body
And barrier, then remove the soil body and barrier with hydraulic grab.
Beneficial effects of the present invention are：
1）The present invention can quickly determine position and the buried depth of barrier, can fast drilling, drilling using full circle swinging full set cylinder rig
After below to shield tunnel base plate, pressure water head is circumferentially descended using dewatering well reduction, it is to avoid piping quicksand risk, it is ensured that can
In sleeve upper shed, the soil body in sleeve and the barrier exposed quickly are removed using hydraulic grab；
2）The present invention is used using the barrier in front of full-sleeve full-rotation drill auxiliary cleaning cutter head of shield machine, its sleeve pipe
Q235B steel are rolled and formed, and can pre-set gate-type opening in portion under a bushing, or carry out cutting openings using oxygen-acetylene, are entered
And the barrier outside sleeve in front of shield cutter is cleared up, and termination is welded with hard alloy serrated knife, is applicable in all kinds of stratum
Driving and the hard barrier of crushing kinds；Compared with existing use rig removing obstacles, without consolidation process after being bored under sleeve,
On the one hand construction cost is reduced, also improves construction speed；On the other hand, staff's otch operation in sleeve, also protects
The safety of operating personnel is demonstrate,proved；
3）The present invention is safe and efficient, and simple and quick construction and economy can thoroughly remove cutterhead preceding object thing, be engineering reality
Shield cutter front is met barrier and cannot be tunneled forward there is provided a kind of easy, efficiently, quick, economic processing method in border,
With important practical engineering value.
Brief description of the drawings
Fig. 1 is geological drilling hole position plan in the present invention.
Fig. 2 is dewatering well plane of arrangement figure in the present invention.
Fig. 3 is full-sleeve full-rotation drill plane of arrangement figure in the present invention.
Fig. 4 is ground settlement deformation monitoring plane of arrangement figure in the present invention.
Fig. 5 is the profile of each device location in the present invention.
Fig. 6 is the structural representation of Novel sleeve in the present invention.
Fig. 7 is the connection diagram of hard alloy serrated knife and sleeve in the present invention.
Wherein：1st, tunnel segment structure；2nd, synchronous grouting body；3rd, shield machine；4th, soil pressure cabin；5th, shield cutter；6th, geological drilling
Hole；7th, barrier；8th, dewatering well；9th, sleeve；10th, sleeve otch；11st, hole for hoist；12nd, surface subsidence monitoring point；13rd, hard is closed
Golden serrated knife.
Specific embodiment
For a better understanding of the present invention, the present invention is further described with specific embodiment below in conjunction with the accompanying drawings.
Shield machine 3 includes shield machine housing, shield cutter 5, soil pressure cabin 4, conveying worm, propulsive mechanism and tunnel segment structure
2, the shield cutter 5 is located at the front portion of shield machine housing, and the rear portion of shield cutter 5 is soil pressure cabin 4, the bottom of soil pressure cabin 4 and spiral shell
Rotation conveyer connection, the soil body that shield cutter 5 cuts is entered in soil pressure cabin 4 by the aperture being distributed on shield cutter 5,
By the outside that shield machine housing is delivered to positioned at the conveying worm of the bottom soil outlet of soil pressure cabin 4；Shield machine housing surrounding cloth
Propelling cylinder is put, propulsive force tunnel segment structure 1 can be delivered evenly to by jack external part head mounted support boots,
The outside of tunnel segment structure 1 is synchronous grouting body 2.When the front of shield cutter 5 runs into barrier, hard stop stops driving, to barrier
Thing is hindered to be processed.
A kind of full-sleeve full-rotation drill sleeve, including the sleeve 9 that upper end is connected with slewing drilling machine, slewing drilling machine is sleeve
9 provide rotary power, and the lower end of sleeve 9 is welded with hard alloy serrated knife 13, for abolishing pavement concrete, underground obstacle etc.
Hard objects；The top of sleeve 9 is provided at circumferentially spaced multiple holes for hoist 11, for lift sleeve 9 and continued access sleeve welded or
It is attached with rotary motive power device, as shown in Figure 6 and Figure 7.In the present embodiment, sleeve 9 is made of Q235B steel, its diameter
It is 1.5 ~ 2m, wall thickness is 20 ~ 30mm；Single-unit sleeve full-length is 9m, if single-unit length sleeve not enough, can weld 1 ~ 2 section
Nigger；The top of sleeve 9 has been arranged circumferentially 10 holes for hoist 11, and the aperture of hole for hoist 11 is 5 ~ 10cm, hole for hoist 11
It is 15cm with the distance between the top of sleeve 9.
A kind of cutter head of shield machine preceding object thing sweep-out method, specifically includes following steps：
Step one, each mechanism for closing shield machine, stop driving, and keep the soil pressure stabilization in shield machine soil pressure cabin 4, to soil
Bentonite is injected in ballasting 4, prevents excavation face seepage failure from destroying；
Step 2, offer geological drilling rig and the Novel sleeve for being used for full-sleeve full-rotation drill as described above, and abrasion drill
Machine etc.；
Step 3, using geological drilling rig, geological drilling hole 6 is opened up from the shield cutter top adjacent ground surface of shield machine, such as Fig. 1 institutes
Show, the construction infection scope of removing obstacles of the preceding object thing 7 of shield cutter 5 is determined with bit freezing method（The plane distribution position of preceding object thing 7
Put）And buried depth；The bit freezing method is to the direction of shield cutter 5 and by 5 liang of lateral shields of shield cutter along shield tunnel axis
Structure tunnel axis direction opens up geological drilling hole 6, and at shield cutter 5, the spacing in geological drilling hole 6 is smaller；This implementation
In example, the outside diameter of geological drilling rig is 110mm, and the depth in geological drilling hole should exceed 2m below shield tunnel bottom；Drilling
When, the drill bit of geological drilling rig is not less than 500mm with the distance of shield cutter 5, in case the bit breakage shield cutter of geological drilling rig
5；
Step 4, in the range of the construction infection of removing obstacles in the both sides of shield cutter 5 and front open up dewatering well 8（As shown in Fig. 2 drop
The precipitation ability of well 8 is it is ensured that level of ground water is down to below shield tunnel base plate in the sleeve 9 of full-sleeve full-rotation drill）,
Bailing test is carried out, and monitors pump-out, observe WATER LEVEL CHANGES；In the present embodiment, the external diameter of dewatering well 8 is 600mm, is taken out
Water is not less than 50m3/h；
Step 5, determine the position of sleeve 9 and start slewing drilling machine to underground tunnel（As shown in Fig. 3 ~ 5）, make sleeve 9 to greatest extent
Covering barrier position；Full-sleeve full-rotation drill is drilled into below shield tunnel bottom after at least 2m, is taken out by dewatering well 8
Water, makes below underground bearing water potential drop to shield tunnel bottom；
The soil body and barrier in step 6, cleaning sleeve 9：If the soil body or barrier are harder, can be aided in first with impact drill
The broken soil body and barrier, then remove the soil body and barrier with hydraulic grab；
Step 7, operator is delivered to by the bottom of sleeve 9 using safety rope, and fresh air is persistently conveyed to the bottom of sleeve 9, it is real
When monitoring sleeve 9 in oxygen content and other poison gas contents, it is ensured that the safety of operator；
It is step 8, selected towards the direction of shield cutter 5 according to the position of sleeve 9 and buried depth, using oxygen-acetylene cutting in sleeve
A 0.5m is cut on 92Sleeve openings 10, observation whether have Sand phenomenon：If so, continuing to be drawn water drop from dewatering well 8
Phreatic low；If nothing, the soil body outside sleeve openings 10 is excavated using manually or mechanically means, and clear up sleeve 9 and shield knife
Barrier between disk 5；
After the completion of step 9, barrier cleaning, the backfill sand in sleeve 9, and progressively pull up sleeve 9 in backfilling process；
Step 10, be ready for next stage cleaning.
By the above method, carry out 2 ~ 3 times using full-sleeve full-rotation drill and remove obstacles, you can fully erased shield cutter 5
The barrier in front.In coverage of removing obstacles namely 5 front earth's surface of shield cutter, 1 ~ 2 times of shield tunnel buried depth diameter model
Interior interval setting surface subsidence monitoring point 12 is enclosed, as shown in figure 4, in barrier reset procedure, to be not less than the frequency of 12h/ times
Rate monitoring is removed obstacles the ground settlement deformation in coverage, prevents from causing ground settlement excessive because of precipitation and underground excavation of removing obstacles,
Influence the safety of surrounding building.
The preferred embodiments of the present invention are these are only, is not intended to limit the invention, although with reference to embodiment to this
Invention has been described in detail, and for a person skilled in the art, it still can be to described in foregoing embodiments
Technical scheme modify, or equivalent is carried out to which part technical characteristic, but it is all in spirit of the invention and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of Novel sleeve for full-sleeve full-rotation drill, it is characterised in that including sleeve, upper end and the revolution of sleeve
Rig is connected, and slewing drilling machine provides rotary power for sleeve；The lower end of sleeve is fixed with hard alloy serrated knife.
2. the Novel sleeve of full-sleeve full-rotation drill is used for as claimed in claim 1, it is characterised in that the sleeve is by list
Sleeve is from beginning to end successively is welded for section, and the wall thickness of sleeve is 20 ~ 30mm.
3. the Novel sleeve of full-sleeve full-rotation drill is used for as claimed in claim 1, it is characterised in that sleeve top is circumferential
Interval setting multiple hole for hoist.
4. a kind of cutter head of shield machine preceding object thing sweep-out method, it is characterised in that comprise the following steps：
Step one, each mechanism for closing shield machine, stop driving, and keep the soil pressure stabilization in shield machine soil pressure cabin, to soil
Bentonite is injected in ballasting；
Step 2, the offer Novel sleeve for being used for full-sleeve full-rotation drill as claimed in claim 1, and slewing drilling machine
Deng；
Step 3, from the shield cutter of shield machine top, adjacent ground surface opens up geological drilling hole, and shield cutter is determined with bit freezing method
Remove obstacles construction infection scope and the buried depth of preceding object thing；
Step 4, in the range of construction infection of removing obstacles dewatering well is opened up, carry out bailing test, and monitor pump-out, observe underground
SEA LEVEL VARIATION；
Step 5, the sleeve portion for determining full-sleeve full-rotation drill are simultaneously tunneled to underground, sleeve is covered obstacle to greatest extent
Thing position；Full-sleeve full-rotation drill is drilled at least 2m below shield tunnel bottom；
The soil body and barrier in step 6, cleaning sleeve；
Step 7, operator is delivered to sleeve bottom, and fresh air is persistently conveyed to sleeve bottom, in real-time monitoring sleeve
Oxygen content and other poison gas contents；
Step 8, on sleeve cutting-sleeve opening selected towards shield cutter direction according to sleeve portion and buried depth, it is artificial or
Mechanical means excavates the soil body outside sleeve openings, and the barrier cleared up between sleeve and shield cutter；
After the completion of step 9, barrier cleaning, sand is backfilled in sleeve, and progressively sleeve is pulled up in backfilling process；
Step 10, be ready for next stage cleaning.
5. cutter head of shield machine preceding object thing sweep-out method as claimed in claim 4, it is characterised in that in step 2, adopt
Remove obstacles construction infection scope and the buried depth of shield cutter preceding object thing are determined with bit freezing method；The bit freezing method is along shield tunnel
Axis opens up geological drilling hole to the direction of shield cutter and by the lateral shield tunnel axis direction of shield cutter two, more connects
At nearly shield cutter, the spacing in geological drilling hole is smaller.
6. cutter head of shield machine preceding object thing sweep-out method as claimed in claim 4, it is characterised in that in step 2, adopt
Geological drilling hole is opened up with geological drilling rig, the depth in geological drilling hole should exceed 2m below shield tunnel bottom；During drilling, geology
The drill bit of rig is not less than 500mm with the distance of shield cutter.
7. cutter head of shield machine preceding object thing sweep-out method as claimed in claim 4, it is characterised in that in step 4, entirely
Sleeve pipe full-rotating drill is drilled into below shield tunnel bottom after at least 2m, is drawn water by dewatering well, makes underground bearing water potential drop extremely
Below shield tunnel bottom.
8. cutter head of shield machine preceding object thing sweep-out method as claimed in claim 4, it is characterised in that in step 7, set
Cylinder opening is not more than 0.5m2, whether observed after cutting has Sand phenomenon：If so, continue to be drawn water from dewatering well reducing underground
Water level；If nothing, the soil body outside sleeve openings, and the barrier cleared up between sleeve and shield cutter are excavated using manually or mechanically means
Hinder thing.
9. cutter head of shield machine preceding object thing sweep-out method as claimed in claim 4, it is characterised in that in step 3,
Remove obstacles in coverage, interval setting surface subsidence monitoring point, in barrier reset procedure, to be not less than the frequency of 12h/ times
The ground settlement that monitoring is removed obstacles in coverage deforms.
10. cutter head of shield machine preceding object thing sweep-out method as claimed in claim 4, it is characterised in that in step 5, if
The soil body or barrier are harder, can first with the impact drill addi-tional crusher soil body and barrier, then with hydraulic grab remove the soil body and
Barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710041474.4A CN106761792B (en) | 2017-01-20 | 2017-01-20 | A kind of full-sleeve full-rotation drill sleeve and shield cutter front obstacle sweep-out method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710041474.4A CN106761792B (en) | 2017-01-20 | 2017-01-20 | A kind of full-sleeve full-rotation drill sleeve and shield cutter front obstacle sweep-out method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106761792A true CN106761792A (en) | 2017-05-31 |
| CN106761792B CN106761792B (en) | 2019-01-25 |
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|---|---|---|---|
| CN201710041474.4A Active CN106761792B (en) | 2017-01-20 | 2017-01-20 | A kind of full-sleeve full-rotation drill sleeve and shield cutter front obstacle sweep-out method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756748A (en) * | 2018-05-25 | 2018-11-06 | 上海市机械施工集团有限公司 | The sweep-out method of underground obstacle |
| CN108756896A (en) * | 2018-05-25 | 2018-11-06 | 上海市机械施工集团有限公司 | The method for removing underground obstacle |
| CN108894744A (en) * | 2018-08-29 | 2018-11-27 | 中煤特殊凿井有限责任公司 | A kind of device for abolishing boulder bit freezing |
| CN109441454A (en) * | 2018-09-11 | 2019-03-08 | 广东水电二局股份有限公司 | A kind of construction method of underground lonestone reception room |
| CN109973103A (en) * | 2019-03-22 | 2019-07-05 | 东北大学 | A kind of shield simulation test device of adjustable angle |
| CN110130913A (en) * | 2019-06-26 | 2019-08-16 | 中国铁建重工集团股份有限公司 | Cutter head of shield machine, shield machine and the stake shield method excessively for tunnel piercing |
| CN110500121A (en) * | 2019-09-20 | 2019-11-26 | 杭州华峰地基基础工程有限公司 | A kind of progressive steel pile casting of deep layer more piece of metro shield protection zone |
| CN110685700A (en) * | 2019-10-16 | 2020-01-14 | 中建铁路投资建设集团有限公司 | Construction method for cleaning mortar adhered to surface of shield body through ground drilling |
| CN111706347A (en) * | 2020-06-19 | 2020-09-25 | 中建富林集团有限公司 | Reverse obstacle clearing construction method for jacking pipe |
| CN112324441A (en) * | 2020-10-27 | 2021-02-05 | 深圳宏业基岩土科技股份有限公司 | Construction method for removing underground shield segments by full-slewing drilling machine |
| CN114215474A (en) * | 2021-11-03 | 2022-03-22 | 江苏无锡二建建设集团有限公司 | Obstacle removing construction process of full-circle drilling machine |
| CN115653495A (en) * | 2022-11-28 | 2023-01-31 | 昆明捷程桩工有限责任公司 | Super-large-diameter steel sleeve vertical immersed tube and horizontal drilling coring and obstacle removing construction method |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756748A (en) * | 2018-05-25 | 2018-11-06 | 上海市机械施工集团有限公司 | The sweep-out method of underground obstacle |
| CN108756896A (en) * | 2018-05-25 | 2018-11-06 | 上海市机械施工集团有限公司 | The method for removing underground obstacle |
| CN108756748B (en) * | 2018-05-25 | 2020-12-01 | 上海市机械施工集团有限公司 | Method for removing underground obstacle |
| CN108756896B (en) * | 2018-05-25 | 2020-12-01 | 上海市机械施工集团有限公司 | Method for removing underground obstacle |
| CN108894744A (en) * | 2018-08-29 | 2018-11-27 | 中煤特殊凿井有限责任公司 | A kind of device for abolishing boulder bit freezing |
| CN109441454A (en) * | 2018-09-11 | 2019-03-08 | 广东水电二局股份有限公司 | A kind of construction method of underground lonestone reception room |
| CN109973103B (en) * | 2019-03-22 | 2020-04-14 | 东北大学 | Shield simulation test device with adjustable angle |
| CN109973103A (en) * | 2019-03-22 | 2019-07-05 | 东北大学 | A kind of shield simulation test device of adjustable angle |
| CN110130913A (en) * | 2019-06-26 | 2019-08-16 | 中国铁建重工集团股份有限公司 | Cutter head of shield machine, shield machine and the stake shield method excessively for tunnel piercing |
| CN110500121A (en) * | 2019-09-20 | 2019-11-26 | 杭州华峰地基基础工程有限公司 | A kind of progressive steel pile casting of deep layer more piece of metro shield protection zone |
| CN110685700A (en) * | 2019-10-16 | 2020-01-14 | 中建铁路投资建设集团有限公司 | Construction method for cleaning mortar adhered to surface of shield body through ground drilling |
| CN110685700B (en) * | 2019-10-16 | 2021-01-01 | 中建铁路投资建设集团有限公司 | Construction method for cleaning mortar adhered to surface of shield body through ground drilling |
| CN111706347A (en) * | 2020-06-19 | 2020-09-25 | 中建富林集团有限公司 | Reverse obstacle clearing construction method for jacking pipe |
| CN111706347B (en) * | 2020-06-19 | 2021-08-20 | 中建富林集团有限公司 | Reverse obstacle clearing construction method for jacking pipe |
| CN112324441A (en) * | 2020-10-27 | 2021-02-05 | 深圳宏业基岩土科技股份有限公司 | Construction method for removing underground shield segments by full-slewing drilling machine |
| CN114215474A (en) * | 2021-11-03 | 2022-03-22 | 江苏无锡二建建设集团有限公司 | Obstacle removing construction process of full-circle drilling machine |
| CN114215474B (en) * | 2021-11-03 | 2023-09-15 | 江苏无锡二建建设集团有限公司 | Barrier removing construction process of full rotary drilling machine |
| CN115653495A (en) * | 2022-11-28 | 2023-01-31 | 昆明捷程桩工有限责任公司 | Super-large-diameter steel sleeve vertical immersed tube and horizontal drilling coring and obstacle removing construction method |
| CN115653495B (en) * | 2022-11-28 | 2023-09-08 | 昆明捷程桩工有限责任公司 | Super-large diameter steel sleeve vertical sinking combined horizontal drilling coring and obstacle removing construction method |
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| CN106761792B (en) | 2019-01-25 |
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