CN112392496A - Method for drilling tunnel face by using TBM pipe shed drilling machine - Google Patents
Method for drilling tunnel face by using TBM pipe shed drilling machine Download PDFInfo
- Publication number
- CN112392496A CN112392496A CN202011124201.4A CN202011124201A CN112392496A CN 112392496 A CN112392496 A CN 112392496A CN 202011124201 A CN202011124201 A CN 202011124201A CN 112392496 A CN112392496 A CN 112392496A
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- tbm
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- 238000005553 drilling Methods 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000002893 slag Substances 0.000 claims abstract description 11
- 238000006073 displacement reaction Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 230000003068 static effect Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 230000002452 interceptive effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 19
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 101100194817 Caenorhabditis elegans rig-6 gene Proteins 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Images
Classifications
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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
- E21D9/087—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
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
-
- 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
- E21D9/0873—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 the shield being provided with devices for lining the tunnel, e.g. shuttering
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a method for drilling a tunnel face by using a tunnel boring machine of a TBM (tunnel boring machine), wherein the TBM comprises a main beam, a cutter head, the tunnel boring machine and a drill rod thereof, the tunnel boring machine is arranged on an annular track connected with the main beam, when the tunnel boring machine stays at least one advanced hole probing position on the annular track, at least one slag hole on the cutter head can correspond to the position of the advanced hole probing position and allow the drill rod of the tunnel boring machine to pass through, and the method sequentially comprises the following steps: determining parts which are blocked in the axial direction when the pipe shed drilling machine points to the drilling position of the tunnel face according to the position of the advanced exploring hole; removing all obstacles found in the previous steps, and completing obstacle removal in a mode of radial displacement, axial displacement, rotation along an axis or removal of parts; and adjusting the position of the pipe shed drilling machine to align the axis of the drill rod with the drilling position, and installing the drill rod to drill. The invention can reduce the construction period and save the construction cost.
Description
Technical Field
The invention relates to improvement of TBM structure and advanced borehole construction process.
Background
A domestic TBM (Tunnel Boring Machine) has been used for Tunnel Boring construction in our country at present. In the construction process of using the TBM, advance geological detection is usually carried out through a front exploring hole on a tunnel face, and the axis of a drilled hole is usually parallel to the axis of the TBM, so that the front geological information can be obtained to the maximum extent by single drilling.
At present, an independent pilot drill is generally used for carrying out hole probing construction from a TBM hob hole, in the process, drilling equipment needs to be used for carrying out temporary assembly, cutter dismantling of a cutter head, corresponding main machine part structural part dismantling and the like, the operation period is long, the construction difficulty is high, the pilot drill needs to be purchased independently, and the cost is high. In order to guarantee the construction safety, the TBM is provided with a shield, a steel arch erector, a travelling rail of a steel arch transport trolley, a jumbolter and the like for setting corresponding protection. The jumbolter is typically arranged to bolt drill holes in a direction approximately perpendicular to the axis of the TBM.
In order to adopt different construction methods according to different geological environments in tunneling construction, a novel TBM with pipe shed construction capacity is developed at present, and the novel TBM is disclosed in Chinese invention patent application with publication number CN107435541A published in 12 and 5 months in 2017, namely 'a novel TBM with pipe shed construction capacity and a construction method thereof'. This kind of TBM is from taking pipe shed rig and circular orbit, and its drilling position can be changed along circular orbit to the pipe shed rig, and concrete implementation is: the pipe shed drilling machine is arranged on a drilling machine supporting seat, and a pitching oil cylinder and a pushing oil cylinder are arranged at the lower part of the drilling machine supporting seat; the annular rail is sleeved on a main girder of the TBM, and the drilling machine supporting seat is connected with the annular rail through the pitching oil cylinder and the pushing oil cylinder. The hydraulic transmission system drives the gear to rotate along the annular track, the gear drives the pipe shed drilling machine to rotate through the supporting rod, the hydraulic transmission system controls the telescopic movement of the pitching oil cylinder, the upward or downward angle of the pipe shed drilling machine is adjusted, the hydraulic transmission system controls the telescopic movement of the pushing oil cylinder, and the pipe shed drilling machine slides on the drilling machine supporting seat to move forward and backward.
Disclosure of Invention
In order to reduce the construction period and save the construction cost, the existing pipe shed drilling machine of the TBM is considered to be used as an advanced drilling machine so as to complete the drilling operation right ahead the tunnel face. At present, the construction concept is not proposed and applied.
The invention aims to provide a method for drilling a tunnel face by using a TBM with a pipe shed drilling machine.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a TBM with pipe shed rig, its includes girder and blade disc, pipe shed rig and drilling rod, and the pipe shed rig is installed on the circular orbit of being connected with the girder, and when pipe shed rig stopped on this circular orbit when at least a certain advanced position of exploring hole, pipe shed rig can accomplish the face and bore a hole, it can be corresponding with the position of advanced position of exploring hole and allow the drilling rod of pipe shed rig to pass through to have at least one cinder hole on the blade disc.
The TBM further comprises a steel arch erector, a steel arch transport trolley and a travelling rail thereof, wherein the annular rail consists of a left lateral rail, a right lateral rail and a connecting rail for butting the lateral rails, and the connecting rail positioned on one side above the main beam is connected with the lifting mechanism and can be lowered below the travelling rail of the steel arch transport trolley through the action of the lifting mechanism.
The pipe shed drilling machine is located on the lateral track when staying at the advanced hole probing position.
The TBM further comprises a shield, wherein a drill rod through hole corresponding to the advanced exploring hole is formed in the shield.
The invention also provides a method for drilling a tunnel face by using the pipe shed drilling machine of the TBM, which sequentially comprises the following steps:
step S1, determining parts which are obstructed in the axial direction when the pipe shed drilling machine points to the drilling position of the tunnel face according to the position of the advance hole;
step S2, removing all obstacles found in the step S1, and completing obstacle removal by means of radial displacement, axial displacement, rotation along an axis or removal of parts;
and step S3, adjusting the position of the pipe shed drilling machine to align the axis of the drill rod with the drilling direction, and drilling.
The TBM is confirmed to be stationary in the axial direction before drilling.
The advanced detection hole position is preferably selected to be 35 degrees of positions on the left side and the right side right above the vault.
More specifically, the TBM further includes a shield, a steel arch installer and a roof bolter that can move axially along the main beam, a steel arch transport trolley and a travel rail thereof, the shield is provided with drill rod via holes corresponding to the advanced hole probing positions, the annular rail is composed of left and right lateral rails, a connection rail that is butted with the lateral rails, and a lifting mechanism connected with the connection rail, wherein the connection rail can be lowered below the travel rail of the steel arch transport trolley through the actions of the lifting mechanism, the pipe shed drilling machine is located on the lateral rails when staying at the advanced hole probing positions, and in step S2:
a) moving the steel arch erector and the jumbolter forwards to the position where no interference occurs along the axial direction;
b) disconnecting the traveling track of the steel arch frame transport trolley above the connecting track, and cleaning sundries on the lifting path of the connecting track;
c) the lifting mechanism lifts the connecting rails to the splicing positions and connects the connecting rails with the left lateral rails and the right lateral rails;
d) and inching the rotary cutter head to enable the slag hole to correspond to the advanced hole detection position, and keeping the cutter head in a static state.
Furthermore, a plurality of cutters are arranged on the cutter head, and the cutters with interference at the part near the slag hole on the cutter head are removed when necessary.
The invention has the beneficial effects that: when the mechanical structure of the TBM is designed, the pipe shed drilling machine is considered to be used as an advanced drilling machine, and the pipe shed drilling machine can be contracted at one side close to a main beam when not used, so that the conventional TBM construction is not influenced, the cost and the construction period are saved, and the advanced exploration hole construction process is simplified.
Drawings
Fig. 1 is a schematic structural diagram of the TBM of the present invention.
FIG. 2 is a schematic diagram of the circular track of the TBM and the advanced borehole position of the pipe shed drilling rig of the present invention.
Fig. 3 is a schematic view of the pipe shed drilling rig of fig. 2 retracted to near the main beam.
Labeled as: 1-cutterhead, 2-shield, 3-main beam, 4-steel arch erector, 5-jumbolter, 6-pipe shed driller, 7-circular track, 8-tunnel face, 9-lifting mechanism, 10-walking track, 11-slag hole, 12-steel arch transport trolley, 13-supporting shoe, 21-drill rod via hole, 30-TBM axis, 61-drill rod, 70-advanced hole position, 71-lateral track, 72-connecting track, 73-connecting track and 80-drilling axis.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
As shown in fig. 1, 2 and 3, the TBM of the present invention includes a main beam 3, a cutter head 1, a pipe shed drilling machine 6 and drill rods 61 thereof, wherein the pipe shed drilling machine 6 is mounted on an annular track 7 connected to the main beam 3, when the pipe shed drilling machine 6 stays at least one advanced hole probing position 70 on the annular track 7, the pipe shed drilling machine 6 can complete tunnel face drilling, and at least one slag hole 11 on the cutter head 1 can correspond to the advanced hole probing position 70 and allow the drill rods 61 of the pipe shed drilling machine 6 to pass through.
The TBM further comprises a steel arch erector 4, a steel arch transport trolley 12 and a travelling rail 10 thereof, wherein the annular rail 7 consists of a left lateral rail 71, a right lateral rail 71 and connecting rails 72 and 73 for butting the lateral rails 71, and the connecting rail 72 positioned on one side above the main beam 3 is connected with the lifting mechanism 9 and can be lowered below the travelling rail 10 of the steel arch transport trolley 12 through the action of the lifting mechanism 9. Therefore, the pipe shed drilling machine can be contracted near the main beam 3 under the non-working state of the pipe shed drilling machine, and the normal work of other parts is not influenced.
The TBM further comprises a shield 2, wherein a drill rod through hole 21 corresponding to the advanced hole position 70 is formed in the shield 2. The shield 2 is prevented from being disassembled by reserving the drill rod through hole 21 on the shield 2.
Not specifically stated in this specification, the axial directions refer to directions parallel to the axis 100 of the TBM, and the radial directions refer to radial directions centered at a certain point on the axis 100 of the TBM. The said "obstruction" or "interference" refers to the "obstruction" or "interference" for completing the pilot hole operation with the pipe shed drilling machine.
Example (b):
as shown in fig. 1, 2 and 3, a TBM includes a main beam 3 and a cutter head 1, further includes a steel arch erector 4, a steel arch transport trolley 12 and a running rail 10 thereof, a pipe shed drilling rig 6 and a drill rod 61 thereof, the pipe shed drilling rig 6 is mounted on an annular rail 7 connected with the main beam 3, and the specific connection structure and the pitch adjustment mechanism thereof can be realized by referring to the structure described in CN107435541A in the background art.
As shown in fig. 2 and 3, the circular track 7 is composed of a left lateral track 71, a right lateral track 71 and connecting tracks 72, 73 for connecting the lateral tracks 71, wherein the connecting track 72 on the upper side of the main beam 3 is connected with the lifting mechanism 9 and can be lowered below the running track 10 of the steel arch transport trolley 12 through the action of the lifting mechanism 9.
As shown in fig. 2, the advanced drilling position 70 is designed to be a position of 35 degrees on the left and right sides right above the vault, when the pipe shed drilling machine 6 stays at one of the advanced drilling positions 70 on the circular track 7, the pipe shed drilling machine 6 is located on the lateral track 71, and the pipe shed drilling machine 6 can complete tunnel face drilling at the position.
As shown in fig. 1, the shield 2 is correspondingly provided with a drill rod through hole 21 corresponding to the position 70 of the pilot hole, and the cutter head 1 is also provided with at least one slag hole 11 corresponding to the position 70 of the pilot hole and allowing the drill rod 61 of the pipe shed drilling machine 6 to pass through.
For the purpose of safe operation, firstly, the TBM is confirmed to be in a static state in the axial direction, and the method sequentially comprises the following steps: determining parts which obstruct the pipe shed drilling machine 6 from pointing to the drilling position of the tunnel face 8 in the axial direction according to the advanced hole probing position 70, wherein the parts comprise a steel arch erector 4, an anchor rod drilling machine 5, a travelling track 10 of a steel arch transport trolley 12 and a cutter head 1 in the embodiment; removing all the obstacles found in the step S1, and completing obstacle removal by means of radial displacement, axial displacement, and rotation or removal along the axis 30 of the components, in this embodiment, the steel arch installer 4 and the jumbolter 5 need to be moved forward in the axial direction to a position where no interference occurs, the running rail 10 of the steel arch transport trolley 12 above the connecting rail 72 is disconnected, impurities on the lifting path of the connecting rail are cleaned, the lifting mechanism 9 lifts the connecting rail 72 to the splicing position, and the connecting rail 72 is connected with the left lateral rail 71 and the right lateral rail 71; inching the rotary cutter head 1 to enable the slag hole 11 to correspond to the advanced hole probing position 70, and keeping the cutter head 1 in a stop state; the pipe shed drilling machine 6 is positioned so that its drill rod axis 80 is aligned with the drilling orientation, i.e. in this embodiment the pipe shed drilling machine 6 is moved along the circular track 7 to one of the advanced borehole positions 70, and the drill rod 61 is installed and the hole is drilled.
It should be noted that, because a plurality of cutters are arranged on the cutter head 1, the cutters which interfere with the portion of the cutter head 1 near the slag hole 11 are removed when necessary.
In addition, in the present embodiment, the radial diameter of the circular track 7 itself is determined, so that one application defect of the method of the present embodiment is that the drilling position cannot be adjusted in a given direction in the radial direction of the axis 30 of the TBM. If necessary, under the condition that design conditions of parts, particularly cutterheads and shields, which are axially obstructed when the pipe shed drilling machine 6 points to the drilling position of the tunnel face 8, the position of the advanced drilling position 70 of the pipe shed drilling machine 6 can be designed to be within the range of the position corresponding to the connecting track 72, and the drilling position can be adjusted within a certain radial displacement range through the extension and contraction of the lifting mechanism 9.
Claims (5)
1. The method for drilling the tunnel face by using the TBM pipe shed drilling machine comprises the following steps that the TBM pipe shed drilling machine comprises a main beam (3), a cutter head (1), a pipe shed drilling machine (6) and a drill rod (61) of the pipe shed drilling machine, and the pipe shed drilling machine (6) is installed on an annular track (7) connected with the main beam (3), and is characterized in that: when the pipe shed drilling machine (6) stays at least one advanced hole position (70) on the annular track (7), at least one slag hole (11) on the cutter head (1) can correspond to the position of the advanced hole position (70) and allow a drill rod (61) of the pipe shed drilling machine (6) to pass through, and the method sequentially comprises the following steps:
step S1, determining parts which are obstructed in the axial direction when the pipe shed drilling machine (6) points to the drilling position of the tunnel face (8) according to the advanced hole probing position (70);
step S2, removing all obstacles found in the step S1, and completing obstacle removal through the radial displacement, the axial displacement, the rotation along the axis (30) or the removal of the parts;
and step S3, adjusting the position of the pipe shed drilling machine (6) to align the drill rod axis (80) of the pipe shed drilling machine with the drilling direction, installing the drill rod (61) and drilling.
2. The method for drilling the tunnel face by using the pipe shed drilling machine of the TBM as claimed in claim 1, wherein: the TBM is confirmed to be stationary in the axial direction before drilling.
3. The method for drilling the tunnel face by using the pilot tunnel drilling machine of the TBM as claimed in claim 1, wherein: the position (70) of the advance hole is 35 degrees of the left side and the right side right above the vault.
4. The method for drilling the tunnel face by using the pilot tunnel drilling machine of the TBM as claimed in claim 1, wherein: the TBM further comprises a shield (2), a steel arch erector (4) and an anchor rod drilling machine (5), wherein the steel arch erector (4) can move axially along the main beam (3), the steel arch transport trolley (12) and a walking track (10) of the steel arch transport trolley (12), a drill rod through hole (21) corresponding to the advanced hole probing position (70) is arranged on the shield (2), the annular track (7) consists of a left lateral track (71), a right lateral track (71) and connecting tracks (72 and 73) butted with the lateral tracks (71), the connecting track (72) positioned on one side above the main beam (3) is connected with the lifting mechanism (9) and can be lowered below the walking track (10) of the steel arch transport trolley (12) through the action of the lifting mechanism (9), the pipe shed drilling machine (6) is positioned on the lateral tracks (71) when staying at the advanced hole probing position (70), and the step S2 is as follows:
a) the steel arch installing device (4) and the anchor rod drilling machine (5) are moved forwards to the position where interference does not occur along the axial direction;
b) disconnecting the traveling rail (10) of the steel arch frame transport trolley (12) above the connecting rail (72) and cleaning sundries on the lifting path of the connecting rail;
c) the lifting mechanism (9) lifts the connecting rail (72) to the splicing position, and the connecting rail (72) is connected with the left lateral rail (71) and the right lateral rail (71);
d) and inching the rotary cutter head (1) to enable the slag hole (11) to correspond to the advanced hole probing position (70), and keeping the cutter head (1) in a static state.
5. The method for drilling the tunnel face by using the pilot tunnel drilling machine of the TBM as claimed in claim 1, wherein: a plurality of cutters are arranged on the cutter head (1), and the cutters interfering with the part near the slag hole (11) on the cutter head (1) are removed when necessary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011124201.4A CN112392496B (en) | 2020-10-20 | 2020-10-20 | Method for drilling tunnel face by using TBM pipe shed drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011124201.4A CN112392496B (en) | 2020-10-20 | 2020-10-20 | Method for drilling tunnel face by using TBM pipe shed drilling machine |
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| Publication Number | Publication Date |
|---|---|
| CN112392496A true CN112392496A (en) | 2021-02-23 |
| CN112392496B CN112392496B (en) | 2023-03-28 |
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Citations (7)
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|---|---|---|---|---|
| JPH08184283A (en) * | 1994-12-27 | 1996-07-16 | Sentan Kensetsu Gijutsu Center | Advanced excavation work of guide tunnel in side wall |
| CN107288648A (en) * | 2017-07-31 | 2017-10-24 | 盾构及掘进技术国家重点实验室 | Open-type full-face rock ripper support system and method for protecting support |
| CN107435541A (en) * | 2017-09-18 | 2017-12-05 | 中铁工程装备集团有限公司 | A kind of new TBM and its construction method for possessing pipe roof construction ability |
| CN207131408U (en) * | 2017-09-18 | 2018-03-23 | 中铁工程装备集团有限公司 | A kind of new TBM for possessing pipe roof construction ability |
| US20200018164A1 (en) * | 2018-07-12 | 2020-01-16 | China Institute Of Water Resources And Hydropower Research | Advanced monitoring device for whole-process deformation curve of surrounding rock of tunnel excavation and implementation method thereof |
| CN110821508A (en) * | 2019-12-09 | 2020-02-21 | 长安大学 | Rock mining device and method for penetrating through surrounding rock of broken zone |
| CN211115999U (en) * | 2019-12-09 | 2020-07-28 | 长安大学 | Rock mining device for penetrating through surrounding rock of broken zone |
-
2020
- 2020-10-20 CN CN202011124201.4A patent/CN112392496B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08184283A (en) * | 1994-12-27 | 1996-07-16 | Sentan Kensetsu Gijutsu Center | Advanced excavation work of guide tunnel in side wall |
| CN107288648A (en) * | 2017-07-31 | 2017-10-24 | 盾构及掘进技术国家重点实验室 | Open-type full-face rock ripper support system and method for protecting support |
| CN107435541A (en) * | 2017-09-18 | 2017-12-05 | 中铁工程装备集团有限公司 | A kind of new TBM and its construction method for possessing pipe roof construction ability |
| CN207131408U (en) * | 2017-09-18 | 2018-03-23 | 中铁工程装备集团有限公司 | A kind of new TBM for possessing pipe roof construction ability |
| US20200018164A1 (en) * | 2018-07-12 | 2020-01-16 | China Institute Of Water Resources And Hydropower Research | Advanced monitoring device for whole-process deformation curve of surrounding rock of tunnel excavation and implementation method thereof |
| CN110821508A (en) * | 2019-12-09 | 2020-02-21 | 长安大学 | Rock mining device and method for penetrating through surrounding rock of broken zone |
| CN211115999U (en) * | 2019-12-09 | 2020-07-28 | 长安大学 | Rock mining device for penetrating through surrounding rock of broken zone |
Non-Patent Citations (1)
| Title |
|---|
| 杨延栋等: "复杂地质条件TBM 研制关键技术及应用", 《隧道建设（中英文）》 * |
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