CN109339811A - A kind of rock tunnel(ling) machine rollback method for dismounting - Google Patents
A kind of rock tunnel(ling) machine rollback method for dismounting Download PDFInfo
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- CN109339811A CN109339811A CN201811494375.2A CN201811494375A CN109339811A CN 109339811 A CN109339811 A CN 109339811A CN 201811494375 A CN201811494375 A CN 201811494375A CN 109339811 A CN109339811 A CN 109339811A
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- shield
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- 239000011435 rock Substances 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000005553 drilling Methods 0.000 claims abstract description 7
- 230000008901 benefit Effects 0.000 claims abstract description 4
- 230000013011 mating Effects 0.000 claims description 7
- 241001669679 Eleotris Species 0.000 claims description 6
- 238000012552 review Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 230000005641 tunneling Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000012790 confirmation Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 241000233855 Orchidaceae Species 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- 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
- E21D9/087—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 with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—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
- E21D9/0875—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 with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket
- E21D9/0879—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 with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket the shield being provided with devices for lining the tunnel, e.g. shuttering
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of rock tunnel(ling) machine rollback method for dismounting, characterized in that described method includes following steps: 1) cutterhead side block is removed；2) drilling machine and the disassembly of arch erector system；3) side/top shield is removed；4) driving section retracts；5) stepping section retracts；6) complete machine is dismantled.Use the present invention has the advantage that: (1), cancel the disassembly cavern for expanding section and dismantle cavern and the auxiliary construction channel that is arranged for construction, effectively solves the problems, such as in the case of great burying too long accessory channel, accessory channel and to dismantle cavern con struction long in time limit, at high cost, reduce ancillary works amount, saves construction investment；(2) feasibility is high, operates convenient, overall short time limit；(3) compared with existing method for dismounting, without the equipment such as erection crane, 98% or more cost savings in disassembly cavern.(4) project amount is reduced, and plays the protection to environment.
Description
Technical field
The present invention relates to a kind of method for dismounting, especially a kind of rock tunnel(ling) machine rollback method for dismounting.
Background technique
Currently, for rock tunnel(ling) machine (TBM) disassembly, usually there are two types of modes: first is that dismantling in hole；After tunnel holing through,
It disassembles and is transported to outside hole in the disassembly cavern for expanding section；Second is that being dismantled outside hole；After tunnel holing through, complete machine continuation is walked forward
It proceeds to outside hole and disintegrates.
Disassembly needs to apply in advance in hole or TBM is tunneled and applied the disassembly cavern for expanding section, installation bridge-type after penetrating through
The lifting equipments such as crane assist cavern and equipment installation period long, and especially big cross section TBM needs big cross section to dismantle cavern,
Construction time is even up to 3~6 months, and economic cost and time cost are all very high.The precondition dismantled outside hole is that TBM is persistently dug
It proceeds near tunnel portal or hole, the working condition is less in Construction practices.With the continuous popularization that TBM is applied, face
The working condition faced is more and more harsh, and part engineering does not have directly driving and nearby or rapidly applies disassembly cavern to hole
Condition.
Summary of the invention
It is an object of the invention to provide a kind of rock tunnel(ling) machine rollback disassemblies that economy and time cost can be effectively reduced
Method.
It is realized the purpose of the present invention is technical solution in this way, a kind of rock tunnel(ling) machine rollback method for dismounting, institute
The method of stating includes the following steps: 1) cutterhead side block dismounting；2) drilling machine and the disassembly of arch erector system；3) side/top shield is removed；
4) driving section retracts；5) stepping section retracts；6) complete machine is dismantled.
In order to meet the current condition that retracts, also need to carry out tunnel cross-section review step between the step 3) and step 4)
Suddenly.
Further, in the step 1), mainly include the following steps:
(1) rock tunnel(ling) machine is retreated to the enough working spaces in front, cutterhead position is adjusted, so that one of cutterhead side block is in
Underface, plane operate on disk while block and central block, while block and side block between weld seam；
(2) braking of confirmation cutterhead is good, remove immediately below first piece of cutterhead while block and central block, other while block between connection spiral shell
Bolt simultaneously installs screw rod group, and cutterhead side block is slowly fallen on hole bottom using screw rod group, removes screw rod group；
(3) rock tunnel(ling) machine retreats 2m, and cutterhead rotates 180 °, removes second piece of cutterhead side block at hole bottom according to above-mentioned steps；
(4) rock tunnel(ling) machine retreats 2m, and cutterhead is rotated by 90 °, and cutterhead is auxiliarily fixed with sleeper prevents unexpected rotation, according to above-mentioned
Step removes third block cutterhead side block.
(5) rock tunnel(ling) machine retreats 2m, and cutterhead rotates 180 °, removes the 4th piece of cutterhead side block according to above-mentioned steps.
In the step 2, when dismantling drilling machine and arch erector system, need to be torn open using auxiliary hanging point
It unloads, meanwhile, it should be avoided in back off procedure and interfere with hole wall.
In the step 3), mainly include the following steps:
(1) by two sides overlap joint shield and top shield rigid connection；
(2) top shield falls back to bottom together with overlap joint shield and welds with guide holder；
(3) it removes guide holder and bolt is installed, shield, overlap joint shield and guide holder will be pushed up using top shield oil cylinder and jack disengaging together
Driving assembly takes out spline, falls top shield after rise；
(4) top shield oil cylinder is removed, top shield and guide holder are integrally translated backward, and falls on girder platform；
(5) shield oil cylinder in side extend out to side shield abutting hole wall, and is fixed on Dong Bi using anchor pole, removes voussoir, oil cylinder and method
Orchid, rock tunnel(ling) machine retreat.
In the step 4), mainly include the following steps:
(1) to support the tight hole wall of stretcher for boot and shoe, propelling cylinder is retracted, and rock tunnel(ling) machine complete machine is driven to move backward；
(2) propelling cylinder retract stroke terminates, and falls rear support and stretching hole bottom；
(3) support boots are detached from hole wall, and propelling cylinder stretches out, and pushing tow support boots move back；
(4) propelling cylinder stretches out stroke and terminates, and supports boots stretching hole wall again；
(5) rear support is packed up, continues to retract；So circulation, rock tunnel(ling) machine continuously retract；
(6) in rock tunnel(ling) machine back off procedure, connecting bridge region is synchronous remove in tunneling process after mating traveling rail and
Steel sleeper, the sundries such as cleaning hole bed mud slag.
In the step 5), according to stepping segment length and section, continue rollback rock tunnel(ling) machine to disassembly place.
In the step 6), mainly include the following steps:
(1) TBM return back to position appropriate, when having knocked down condition, removes after rock tunnel(ling) machine mating section by section from the front to the back
Vehicle and the mixed bridge of spray；
(2) tunnel piercing machine host and connecting bridge continue to return back to disassembly station, remove connecting bridge；
(3) tunnel piercing machine host and connecting bridge continue to return back to disassembly station, transport channel it is unimpeded after, have bad luck near face
The components such as cutterhead, the shield removed；
Wherein, primary sequence dismantles tunnel piercing machine host: cutter head center block → propelling cylinder → support boots and support boots oil cylinder → master
Tail beam and rear support → saddletree and girder middle section → girder leading portion → driving assembly → bottom shield.
Wherein, described is to remove in opposite side/top shield simultaneously or in advance to rollback hole section cross section to tunnel cross-section review
Size is scanned, and is judged whether to meet the current condition of rock tunnel(ling) machine rollback after side/top shield is removed, may be sent out part
The hole section advanced processing of raw interference, smoothly retracts for rock tunnel(ling) machine and creates conditions.
By adopting the above-described technical solution, the present invention has the advantage that:
(1), the auxiliary construction channel cancelling the disassembly cavern for expanding section and being arranged for construction disassembly cavern, effectively solves
The problem that accessory channel is too long in the case of great burying, accessory channel and disassembly cavern con struction are long in time limit, at high cost, reduces auxiliary
Project amount saves construction investment；
(2) feasibility is high, operates convenient, overall short time limit；
(3) compared with existing method for dismounting, without the equipment such as erection crane, 98% or more cost savings in disassembly cavern.
(4) project amount is reduced, and plays the protection to environment.
Detailed description of the invention
Detailed description of the invention of the invention is as follows:
Fig. 1 is that cutterhead of the invention dismantles flow diagram；
Fig. 2 is that shield of the invention dismantles flow diagram；
Fig. 3 is support boots rollback flow diagram of the invention.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing, but the present invention does not limit to
In these embodiments, any improvement or substitution on the present embodiment essence spirit still falls within the claims in the present invention and is wanted
Seek the range of protection.
Embodiment 1: as shown in Figure 1, 2, 3, a kind of rock tunnel(ling) machine rollback method for dismounting, the method includes walking as follows
Rapid: 1) cutterhead side block is removed；2) drilling machine and the disassembly of arch erector system；3) side/top shield is removed；4) driving section retracts；5)
Stepping section retracts；6) complete machine is dismantled.
In order to judge whether cavern meets the current condition of rollback, also need to carry out tunnel between the step 3) and step 4)
Road section checks step.
Wherein, described is to remove in opposite side/top shield simultaneously or in advance to rollback hole section cross section to tunnel cross-section review
Size is scanned, and is judged whether to meet the current condition of rock tunnel(ling) machine rollback after side/top shield is removed, may be sent out part
The hole section advanced processing of raw interference, smoothly retracts for rock tunnel(ling) machine and creates conditions.
It further describes, in the step 1), mainly includes the following steps:
(1) rock tunnel(ling) machine is retreated to the enough working spaces in front, cutterhead position is adjusted, so that one of cutterhead side block is in
Underface, plane operate on disk while block and central block, while block and side block between weld seam；
(2) braking of confirmation cutterhead is good, remove immediately below first piece of cutterhead while block 1 and central block 5, other while block between connection
Bolt simultaneously installs screw rod group, and cutterhead side block is slowly fallen on hole bottom using screw rod group, removes screw rod group；
(3) rock tunnel(ling) machine retreats 2m, and cutterhead rotates 180 °, removes second piece of cutterhead side block 2 at hole bottom according to above-mentioned steps；
(4) rock tunnel(ling) machine retreats 2m, and cutterhead is rotated by 90 °, and cutterhead is auxiliarily fixed with sleeper prevents unexpected rotation, according to above-mentioned
Step removes third block cutterhead side block 3.
(5) rock tunnel(ling) machine retreats 2m, and cutterhead rotates 180 °, removes the 4th piece of cutterhead side block 4 according to above-mentioned steps.
In the step 2, when dismantling drilling machine and arch erector system, need to be torn open using auxiliary hanging point
It unloads, meanwhile, it should be avoided in back off procedure and interfere with hole wall.
In the step 3), mainly include the following steps:
(1) two sides overlap joint shield 7 and top shield 6 are rigidly connected；
(2) top shield 6 falls back to bottom together with overlap joint shield 7 and welds with guide holder 9；
(3) it removes guide holder 9 and bolt is installed, shield 6, overlap joint shield 7 and guide holder 9 will be pushed up using top shield oil cylinder 10 and pushed up together
It rises and is detached from driving assembly 13, take out spline, fall top shield after rise；
(4) top 6 oil cylinder of shield is removed, top shield 6 and 9 entirety of guide holder are translated backward, and falls on girder platform；
(5) side shield oil cylinder 11 extend out to side shield 8 and is close to hole wall, and is fixed on Dong Bi using anchor pole, remove voussoir, oil cylinder and
Flange, rock tunnel(ling) machine retreat.
In the step 4), mainly include the following steps:
(1) to support 17 stretching hole wall of boots, propelling cylinder 15 is retracted, and rock tunnel(ling) machine complete machine is driven to move backward；
(2) 15 retract stroke of propelling cylinder terminates, and falls rear support 18 and stretching hole bottom；
(3) support boots 17 are detached from hole wall, and propelling cylinder 15 stretches out, and pushing tow support boots 17 move back；
(4) propelling cylinder 15 stretches out stroke and terminates, and supports the stretching hole wall again of boots 17；
(5) rear support 18 is packed up, continues to retract；So circulation, rock tunnel(ling) machine continuously retract；
(6) in rock tunnel(ling) machine back off procedure, connecting bridge region is synchronous remove in tunneling process after mating traveling rail and
Steel sleeper 19, the sundries such as cleaning hole bed mud slag.
The present invention is using support boots back off technique, under normal circumstances, average daily rollback 250m-300m.
In this step, since tunnel cross-section is usually 200mm at least bigger than rock tunnel(ling) machine digging diameter, and drilling and blasting method
Secondary lining wouldn't be often applied after construction, hole wall systematicness is poor.At this time if meeting the condition of the support tight hole wall of stretcher for boot and shoe, benefit
It is retracted with step 4)；If hole wall is relatively regular, after carrying out necessary transformation to support boots, returned using step 4)
It moves back.
If cross dimensions is larger or hole wall is serious irregular and does not have treatment conditions, which can be selected folder
Rail device rollback mode carries out or stepping mechanism rollback mode carries out, and certainly, idler wheel rollback, self-powered wheel group also may be selected
Rollback, heavy body transporting unit rollback, tank trolley rollback, anticaustic rock tunnel(ling) machine stepping technique etc. are suitable for corresponding working condition
Rollback mode.
In the step 5), according to stepping segment length and section, continue rollback rock tunnel(ling) machine to disassembly place.In step
5), can optional step 4 according to the actual situation in) rollback mode, anticaustic stepping mechanism can also be selected to return according to the actual situation
Move back mode, rail clamping device and oil cylinder cooperation pushing tow rollback mode etc..
In the step 6), mainly include the following steps:
(1) TBM return back to position appropriate, when having knocked down condition, removes after rock tunnel(ling) machine mating section by section from the front to the back
Vehicle and the mixed bridge of spray；
(2) tunnel piercing machine host and connecting bridge continue to return back to disassembly station, remove connecting bridge；
(3) tunnel piercing machine host and connecting bridge continue to return back to disassembly station, transport channel it is unimpeded after, have bad luck near face
The components such as cutterhead, the shield removed；
Wherein, primary sequence dismantles tunnel piercing machine host: 5 → propelling cylinder of cutter head center block 15 → support boots 17 and support boots oil cylinder
→ girder tail end and 18 → saddletree of rear support and girder middle section 16 → girder, 14 → driving assembly of leading portion, 13 → bottom shield 12.
In the present invention, in rock tunnel(ling) machine back off procedure, host can slide backward along hole bottom, or backward along track
Sliding；Mating trolley retracts along original track afterwards, to minimize rollback resistance.
Single phase tunnels under operating condition, and rock tunnel(ling) machine return back to assembling place (assembling cavern or Assembling outside the hole place) and tears open
It unloads；Under two stages or multistage driving operating condition, rock tunnel(ling) machine return back to the intermediate auxiliary cavern to satisfy the requirements (such as maintenance hole
Room) disassembly, it can also be return back to the disassembly of assembling place, should preferentially select the disassembly of auxiliary cavern.
It is laid with the tunnel of inverted arch prefabricated section in TBM tunneling process, needs to remove bottom shield, and is instead directed to specific operating condition
The front end host cradle temporary support TBM of condition design.
In the present invention, by digging diameter 10m, Excavation Length 5km tunnel for, rollback dismantling technology applied more in the past
Big cross section dismantles cavern compared to the saving duration 4 months or so.
Claims (9)
1. a kind of rock tunnel(ling) machine rollback method for dismounting, characterized in that described method includes following steps: 1) cutterhead side block is torn open
It removes；2) drilling machine and the disassembly of arch erector system；3) side/top shield is removed；4) driving section retracts；5) stepping section retracts；6) whole
Machine disassembly.
2. rock tunnel(ling) machine rollback method for dismounting as described in claim 1, it is characterized in that: the step 3) and step 4) it
Between also need to carry out tunnel cross-section review step.
3. rock tunnel(ling) machine rollback method for dismounting as claimed in claim 2, characterized in that main to wrap in the step 1)
Include following steps:
(1) rock tunnel(ling) machine is retreated to the enough working spaces in front, cutterhead position is adjusted, so that one of cutterhead side block is in
Underface, plane operate on disk while block and central block, while block and side block between weld seam；
(2) braking of confirmation cutterhead is good, remove immediately below first piece of cutterhead while block and central block, other while block between connection spiral shell
Bolt simultaneously installs screw rod group, and cutterhead side block is slowly fallen on hole bottom using screw rod group, removes screw rod group；
(3) rock tunnel(ling) machine retreats 2m, and cutterhead rotates 180 °, removes second piece of cutterhead side block at hole bottom according to above-mentioned steps；
(4) rock tunnel(ling) machine retreats 2m, and cutterhead is rotated by 90 °, and cutterhead is auxiliarily fixed with sleeper prevents unexpected rotation, according to above-mentioned
Step removes third block cutterhead side block；
(5) rock tunnel(ling) machine retreats 2m, and cutterhead rotates 180 °, removes the 4th piece of cutterhead side block according to above-mentioned steps.
4. rock tunnel(ling) machine rollback method for dismounting as claimed in claim 3, it is characterized in that: in the step 2, for boring
When machine and arch erector system are dismantled, need to be dismantled using auxiliary hanging point, meanwhile, should be avoided in back off procedure with hole wall
Interference.
5. rock tunnel(ling) machine rollback method for dismounting as claimed in claim 4, characterized in that main to wrap in the step 3)
Include following steps:
(1) by two sides overlap joint shield and top shield rigid connection；
(2) top shield falls back to bottom together with overlap joint shield and welds with guide holder；
(3) it removes guide holder and bolt is installed, shield, overlap joint shield and guide holder will be pushed up using top shield oil cylinder and jack disengaging together
Driving assembly takes out spline, falls top shield after rise；
(4) top shield oil cylinder is removed, top shield and guide holder are integrally translated backward, and falls on girder platform；
(5) shield oil cylinder in side extend out to side shield abutting hole wall, and is fixed on Dong Bi using anchor pole, removes voussoir, oil cylinder and method
Orchid, rock tunnel(ling) machine retreat.
6. rock tunnel(ling) machine rollback method for dismounting as claimed in claim 5, characterized in that main to wrap in the step 4)
Include following steps:
(1) to support the tight hole wall of stretcher for boot and shoe, propelling cylinder is retracted, and rock tunnel(ling) machine complete machine is driven to move backward；
(2) propelling cylinder retract stroke terminates, and falls rear support and stretching hole bottom；
(3) support boots are detached from hole wall, and propelling cylinder stretches out, and pushing tow support boots move back；
(4) propelling cylinder stretches out stroke and terminates, and supports boots stretching hole wall again；
(5) rear support is packed up, continues to retract；So circulation, rock tunnel(ling) machine continuously retract；
(6) in rock tunnel(ling) machine back off procedure, connecting bridge region is synchronous remove in tunneling process after mating traveling rail and
Steel sleeper, the sundries such as cleaning hole bed mud slag.
7. rock tunnel(ling) machine rollback method for dismounting as claimed in claim 6, characterized in that in the step 5), according to stepping
Segment length and section continue rollback rock tunnel(ling) machine to disassembly place.
8. rock tunnel(ling) machine rollback method for dismounting as claimed in claim 7, characterized in that main to wrap in the step 6)
Include following steps:
(1) TBM return back to position appropriate, when having knocked down condition, removes after rock tunnel(ling) machine mating section by section from the front to the back
Vehicle and the mixed bridge of spray；
(2) tunnel piercing machine host and connecting bridge continue to return back to disassembly station, remove connecting bridge；
(3) tunnel piercing machine host and connecting bridge continue to return back to disassembly station, transport channel it is unimpeded after, have bad luck near face
The components such as cutterhead, the shield removed；
Wherein, primary sequence dismantles tunnel piercing machine host: cutter head center block → propelling cylinder → support boots and support boots oil cylinder → master
Tail beam and rear support → saddletree and girder middle section → girder leading portion → driving assembly → bottom shield.
9. rock tunnel(ling) machine rollback method for dismounting as claimed in claim 8, it is characterized in that: it is described to tunnel cross-section review be
Opposite side/top shield, which is removed, simultaneously or is in advance scanned rollback hole section cross dimension, judges whether that meeting side/top shield tears open
The current condition of rock tunnel(ling) machine rollback after removing is that rock tunnel(ling) machine is suitable to the hole section advanced processing that part may interfere
Benefit retracts and creates conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811494375.2A CN109339811B (en) | 2018-12-07 | 2018-12-07 | Tunnel boring machine backspacing dismounting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811494375.2A CN109339811B (en) | 2018-12-07 | 2018-12-07 | Tunnel boring machine backspacing dismounting method |
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| CN109339811A true CN109339811A (en) | 2019-02-15 |
| CN109339811B CN109339811B (en) | 2021-01-26 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410088A (en) * | 2019-08-14 | 2019-11-05 | 中国铁建重工集团股份有限公司 | Retractable tunneling machine and retraction method thereof |
| CN111322080A (en) * | 2020-03-19 | 2020-06-23 | 西安建筑科技大学 | Open TBM cutter head hole internal fixing method based on anchor rod locking process |
| CN111425213A (en) * | 2020-04-17 | 2020-07-17 | 中铁十八局集团有限公司 | In-tunnel rollback method for rock pipe jacking machine |
| CN112577768A (en) * | 2020-12-14 | 2021-03-30 | 北京建工土木工程有限公司 | Model test device for shield method main tunnel inner pump room mechanical construction back cover |
| CN112709577A (en) * | 2020-12-24 | 2021-04-27 | 中交（广州）建设有限公司 | In-tunnel transfer method of shield machine |
| CN113374480A (en) * | 2021-06-07 | 2021-09-10 | 北京中煤矿山工程有限公司 | Dismantling and well-exiting process for well drilling equipment of vertical shaft heading machine |
| CN113446020A (en) * | 2021-08-03 | 2021-09-28 | 中国水利水电第三工程局有限公司 | Non-hole-expanding type hole inner dismounting method for open type TBM (tunnel boring machine) host |
| CN114109403A (en) * | 2021-11-05 | 2022-03-01 | 中铁工程装备集团有限公司 | Inclined shaft TBM receiving method |
| CN114607403A (en) * | 2022-03-31 | 2022-06-10 | 中铁隧道局集团有限公司 | Method for quickly assembling initial construction equipment outside double-hole double-TBM tunnel by adopting continuous belt conveyor to discharge slag in limited field |
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