CN112415575A - Auxiliary signal acquisition device and system for double-shield TBM seismic wave advanced detection - Google Patents
Auxiliary signal acquisition device and system for double-shield TBM seismic wave advanced detection Download PDFInfo
- Publication number
- CN112415575A CN112415575A CN202011077882.3A CN202011077882A CN112415575A CN 112415575 A CN112415575 A CN 112415575A CN 202011077882 A CN202011077882 A CN 202011077882A CN 112415575 A CN112415575 A CN 112415575A
- Authority
- CN
- China
- Prior art keywords
- signal acquisition
- auxiliary signal
- double
- acquisition device
- shield tbm
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/20—Arrangements of receiving elements, e.g. geophone pattern
Abstract
The utility model provides an auxiliary signal collection system and system for two shield TBM seismic wave advanced detection, include: duct piece and conduction pole, the filling hole has been seted up on the duct piece, conduction pole one end is passed through the filling hole and is directly laminated with the country rock, and the other end surpasss duct piece inner wall to the outside. The technical scheme is suitable for the auxiliary signal device for the advance detection of the seismic waves of the double-shield TBM, not only needs to fully utilize the existing segment structure of the double-shield TBM, but also needs to be simple and convenient to operate and does not influence the construction progress of the TBM.
Description
Technical Field
The utility model belongs to seismic exploration field especially relates to an auxiliary signal collection system and system that is used for two shield TBM seismic wave advanced detection.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In the construction process of tunnels and underground engineering such as traffic, water conservancy, municipal engineering and the like, due to the complexity and changeability of geological conditions and the limitation of the prior art, the unfavorable geology on the excavation axis cannot be completely explored by the initial exploration level. Particularly, in a TBM construction tunnel, the adaptability of the heading machine to geological conditions is poor, and accidents such as blocking and the like are frequently caused due to the fact that a reasonable construction scheme cannot be adopted in a bad geological section. Therefore, the advanced geological prediction is developed in the construction process to detect the poor geologic body in front, the geological condition is found out, the construction and support parameters are optimized in time, and the method has important safety and economic value.
In the current tunnel construction, the seismic wave method is a common and effective advance geological prediction means, can detect poor geologic bodies such as faults, structural broken zones, weak stratums, karst caves and the like in front of a tunnel face, and has a long detection distance.
The prior art geophone needs to be modified and installed on a TBM after a certain device is mounted. The method is not applicable to a double shield TBM which is not mounted.
The inventor finds that the geophone is used as an important part of a seismic wave method, the geophone is fixed by inserting a cone through an anchoring agent or punching a side wall in a drilling and blasting method or an open type TBM tunnel in the past, but in a double-shield TBM tunnel, the geophone is limited in installation due to the influence of a duct piece, the geophone cannot be directly installed on a surrounding rock, a gap exists between the duct piece and the surrounding rock, a strong reflection interface exists, the data quality is seriously influenced, and therefore signals are not good when the geophone is directly installed on the duct piece.
Disclosure of Invention
For overcoming above-mentioned prior art's not enough, this disclosure provides an auxiliary signal collection system that is used for two shield TBM seismic wave advanced detection, and the current section of jurisdiction structure of make full use of two shield TBM still needs easy and simple to handle, does not influence the TBM construction progress.
In order to achieve the above object, one or more embodiments of the present disclosure provide the following technical solutions:
in a first aspect, an auxiliary signal acquisition device for double shield TBM seismic wave advanced detection is disclosed, comprising: duct piece and conduction pole, the filling hole has been seted up on the duct piece, conduction pole one end is passed through the filling hole and is directly laminated with the country rock, and the other end surpasss duct piece inner wall to the outside.
The second aspect discloses a detection system, including above-mentioned auxiliary signal collection device, the conduction pole other end surpasss section of jurisdiction inner wall to outside back and detector fixed connection, the detector is used for carrying out seismic wave advanced detection.
The above one or more technical solutions have the following beneficial effects:
the technical scheme is suitable for the auxiliary signal device for the advance detection of the seismic waves of the double-shield TBM, not only needs to fully utilize the existing segment structure of the double-shield TBM, but also needs to be simple and convenient to operate and does not influence the construction progress of the TBM.
The utility model discloses a technical scheme need not change the damage that present section of jurisdiction structure or drilling probably brought, through current hole of filling, then puts into signal acquisition conduction bolt downthehole to with country rock in close coupling, the wave detector is inboard and bolted connection in the section of jurisdiction, has realized the advanced detection of seismic wave under two shield TBM environment, has improved data acquisition quality, and convenient operation, repeatedly usable.
The technical scheme disclosed by the invention is applicable to a double-shield TBM without a carrying device, and is a portable auxiliary device.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure.
FIG. 1 is a schematic structural diagram of an embodiment of the present disclosure;
marked as 1-detector, 2-pipe piece, 21-filling hole, 3-fixed lining, 4-signal acquisition conduction bolt and 5-surrounding rock.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict.
The utility model discloses technical scheme has solved among the prior art two shield TBM tunnel seismic methods advance detection time, can't directly lay the wave detector on the country rock and survey the section of jurisdiction that needs prefabricated specific structure before or just can survey on the section of jurisdiction, the problem that wastes time and energy has assurance wave detector and country rock coupling effect, lays labour saving and time saving's advantage, its scheme as follows: the auxiliary signal acquisition device for the advance detection of the double-shield TBM seismic waves comprises a fixed lining, a signal acquisition conduction bolt and the like, wherein the fixed lining is connected with a duct piece and the signal acquisition conduction bolt, the duct piece and the signal acquisition conduction bolt are connected through threads, the installation and the disassembly are convenient, and the signal acquisition conduction bolt is tightly attached to surrounding rocks through the reaction force provided by the fixed lining; the detector is connected with the signal acquisition conduction bolt through the magnet, and the correct direction is adjusted. Through this device, do not specially prefabricate section of jurisdiction in real time and at section of jurisdiction drilling to seismic wave advanced detection's data measurement, convenient and fast does not cause the damage to supporting structures such as section of jurisdiction.
The seismic detection acquires a vibration signal, generally, a detector is directly arranged on surrounding rocks to acquire the signal, and due to the limitation of double shield TBM pipe pieces, the signal cannot be acquired well. Therefore, one side of the conduction bolt is fixed on the surrounding rock, one side of the conduction bolt extends out of the duct piece, the installation position is changed on the bolt by means of close fit of the bolt and the surrounding rock, and signals are collected.
Specifically, referring to fig. 1, the embodiment discloses an auxiliary signal acquisition device for advance detection of double-shield TBM seismic waves, which comprises a geophone 1 and a duct piece 2, wherein a filling hole 21 is formed in the duct piece 2, a fixed lining 3 is arranged in the filling hole 21, a signal acquisition conducting bolt 4 is connected with the fixed lining 3 through threads and penetrates through the filling hole 21 to be in contact with a surrounding rock 5, and the geophone 1 is fixed on the signal acquisition conducting bolt 4 according to a correct direction.
In an embodiment, the signal acquisition and transmission device further comprises a fixed lining, wherein the fixed lining is annular, the outer side and the inner side of the fixed lining are both provided with threads, the outer ring is fixed on the pipe sheet through the threads, and the inner ring is connected with the signal acquisition and transmission bolt through the threads.
Fixed inside lining 3 is arranged in section of jurisdiction pouring hole 21, and the outer lane screw thread is connected with section of jurisdiction pouring hole 21, and the inner circle screw thread is connected with signal acquisition conduction bolt 4, and conduction bolt 4 passes the inner circle and 5 contacts of country rock to utilize the reaction force that fixed inside lining 3 provided to closely laminate with country rock 5. The purpose of threaded connection enables the detector 1 to be conveniently and quickly arranged, and the components can be disassembled for reuse.
In the embodiment, the filling hole is a hole on the pipe piece, and a hole is reserved for filling the gravel or the concrete when the pipe piece is manufactured. The outer ring of the fixed lining is connected with the duct piece filling hole, and the inner ring of the fixed lining is connected with the bolt.
The outer diameter of the fixed lining 3 is consistent with the inner diameter of the pouring hole 21. And the inner ring thread of the fixed lining 3 is connected with a signal acquisition conduction bolt 4.
Specifically, the fixed lining is an annular metal component, threads are arranged on the inner side and the outer side of the fixed lining, and the size of the threads is determined according to the size of a construction tunnel pouring hole and a signal acquisition conduction bolt. Wherein, the outside screw thread is used for fixing the connection and the fixing position of the lining and the duct piece, and 1/2 for fixing the total length of the lining is outside the duct piece for convenient disassembly; the internal threads are used to connect with the signal acquisition conductor bolts and provide the required force. The method is characterized in that the number of the detectors is determined, the number of the fixed linings is generally 10, and the size of the fixed linings is determined according to the sizes of double-shield TBM pipe pieces with different excavation diameters and the size of a bolt and the size of a filling hole.
The length of the signal acquisition conduction bolt is 500 mm. The diameter of the signal acquisition conduction bolt is not more than 50 mm. The signal acquisition conduction bolt is a hexagonal head arc thread bolt, an external thread is arranged at a rod-shaped part, and the signal acquisition conduction bolt is tightly attached to surrounding rocks by utilizing the reaction force provided by the fixed lining after penetrating through the inner ring of the fixed lining and being in threaded connection; and a detector is arranged at the hexagonal head part through a magnet, and the detector is adjusted according to the direction requirement.
In another embodiment, the auxiliary signal acquisition device for double shield TBM seismic wave advanced detection comprises the following specific steps:
step 1: the fixed lining 3 is arranged in the pouring hole 21, the outer ring of the fixed lining 3 is provided with threads and is connected with the pouring hole 21 through the threads, and the installation and the disassembly are convenient.
Step 2: the signal acquisition conduction bolt 4 is connected with the fixed lining 3 through threads, penetrates through the filling hole 21 and then contacts with the surrounding rock 5, and is tightly attached to the surrounding rock 5 by utilizing the counterforce provided by the threaded connection with the fixed lining 3.
And step 3: the detector 1 is connected with a signal acquisition conduction bolt 4 by using a magnet, and is adjusted to be fixed in a correct direction.
And 4, step 4: after the geophone is installed, seismic wave advanced detection preparation can be carried out according to normal steps.
According to the invention, the signal acquisition conduction bolt is fixed in the filling hole through the existing filling hole and the fixed lining on the duct piece, and the signal acquisition conduction bolt is tightly attached to the surrounding rock by utilizing the reaction force provided by the fixed lining, so that the purpose of performing seismic wave method advanced detection signal acquisition in a double-shield TBM environment is realized, the components are connected through threads, the installation and the disassembly are convenient, the detection efficiency and the data signal to noise ratio are improved, and the application value is higher.
According to the technical scheme, the portable seismic wave detection is not realized, and on a double-shield TBM, due to the existence of the pipe piece, the geophone cannot be directly installed on surrounding rocks, so that the data quality is influenced. In the prior art, the method is a carrying type method, and after a detector passes through a grouting hole by a carrying manipulator, the detector is fixed on surrounding rock, and the direction is adjusted to meet the detection standard. The method has the premise that a mechanical device is mounted on the instrument, so that the problem of non-installation is solved well, and the efficiency is high. However, the TBM cannot be used for a mechanical device mounted TBM that has not been constructed. Therefore, the portable type multifunctional portable tool is mainly used for being constructed but not mounted, is simple to operate and has a good effect.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (9)
1. An auxiliary signal acquisition device for double-shield TBM seismic wave advanced detection is suitable for TBMs which are not provided with mechanical devices and start to be constructed, and is characterized by comprising the following components: duct piece and conduction pole, the filling hole has been seted up on the duct piece, conduction pole one end is passed through the filling hole and is directly laminated with the country rock, and the other end surpasss duct piece inner wall to the outside.
2. The auxiliary signal acquisition device for advanced detection of double-shield TBM seismic waves as claimed in claim 1, further comprising a fixed liner, wherein the fixed liner is annular, the outer side and the inner side of the fixed liner are both provided with threads, the outer ring is fixed on the pipe sheet through the threads, and the inner ring is connected with the conducting rod through the threads.
3. The auxiliary signal acquisition device for advanced detection of seismic waves of a double shield TBM as claimed in claim 2, wherein the fixed liner is a ring-shaped metal member.
4. The auxiliary signal acquisition device for advanced seismic detection of a double shield TBM as claimed in claim 2, wherein said fixed liner passes through the segment structure in the length direction.
5. The auxiliary signal acquisition device for advanced detection of seismic waves of a double shield TBM as claimed in claim 2, wherein the internal thread of the fixed liner is adapted to connect with the conductive rod and provide a reaction force to bring the conductive rod into close contact with the surrounding rock.
6. The auxiliary signal acquisition device for advanced detection of double-shield TBM seismic waves as claimed in claim 2, wherein the conductive rod is a hexagonal-head circular arc threaded bolt, and the rod-shaped part is provided with external threads which penetrate through the inner ring of the fixed lining and are tightly attached to the surrounding rock after being in threaded connection.
7. The auxiliary signal acquisition device for advanced detection of double-shield TBM seismic waves as claimed in claim 6, wherein the hexagonal head portion is provided with a geophone through a magnet, and the geophone is adjusted according to the orientation requirement.
8. The auxiliary signal acquisition device for advanced detection of double shield TBM seismic waves as claimed in claim 1, wherein the length of the conductive rod is 500mm, and the diameter of the conductive rod is not more than 50 mm.
9. The detection system is characterized by comprising the auxiliary signal acquisition device as claimed in any one of claims 1 to 8, wherein the other end of the conducting rod is fixedly connected with a geophone after exceeding the inner wall of the pipe piece to the outside, and the geophone is used for seismic wave advanced detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011077882.3A CN112415575A (en) | 2020-10-10 | 2020-10-10 | Auxiliary signal acquisition device and system for double-shield TBM seismic wave advanced detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011077882.3A CN112415575A (en) | 2020-10-10 | 2020-10-10 | Auxiliary signal acquisition device and system for double-shield TBM seismic wave advanced detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112415575A true CN112415575A (en) | 2021-02-26 |
Family
ID=74855161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011077882.3A Pending CN112415575A (en) | 2020-10-10 | 2020-10-10 | Auxiliary signal acquisition device and system for double-shield TBM seismic wave advanced detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112415575A (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5124956A (en) * | 1990-05-11 | 1992-06-23 | Exxon Production Research Company | Geophone with depth sensitive spikes |
| CN1182506A (en) * | 1996-02-08 | 1998-05-20 | 卡劳斯-马菲股份公司 | Linear motor |
| CN1191919A (en) * | 1997-02-28 | 1998-09-02 | 株式会社住建产业 | Set-up frame materials |
| CN2361895Y (en) * | 1999-03-25 | 2000-02-02 | 吴寿崇 | Helical casing |
| CN1693723A (en) * | 2004-04-30 | 2005-11-09 | 伯尔霍夫连接技术有限公司 | A joining assembly including a plastic support member and a plastic threaded element |
| CN102681008A (en) * | 2011-03-08 | 2012-09-19 | 中国科学院地质与地球物理研究所 | Method and devices for mounting geological prediction radiodetector in tunnel tunneled with TBM (tunnel boring machine) |
| CN204496014U (en) * | 2015-03-11 | 2015-07-22 | 山东大学 | Rock tunnel(ling) machine breaks rock focus and active source 3-D seismics associating forward probe system |
| CN105974465A (en) * | 2016-06-08 | 2016-09-28 | 山东大学 | Tunnel three-dimensional seismic wave advanced detection space observation system and tunnel three-dimensional seismic wave advanced detection space observation method |
| CN107085235A (en) * | 2017-04-13 | 2017-08-22 | 北京同度工程物探技术有限公司 | A kind of earthquake forward probe system and method applied to development machine |
| CN107544088A (en) * | 2017-11-02 | 2018-01-05 | 西南石油大学 | A kind of gas drilling underground controlled source pipe nipple |
| CN208024696U (en) * | 2018-01-25 | 2018-10-30 | 江西昌河航空工业有限公司 | A kind of screw connection structure |
| CN108802808A (en) * | 2018-06-19 | 2018-11-13 | 山东大学 | Seismic wave advanced prediction loading device and method for double shield rock rippers |
| CN110018333A (en) * | 2019-03-27 | 2019-07-16 | 国网山东省电力公司蒙阴县供电公司 | A kind of insulating bar of the multi-voltage grade electroscope with flexible positioning |
| CN110185454A (en) * | 2019-06-24 | 2019-08-30 | 中铁二局集团有限公司 | A kind of method of list shield double mode TBM advance geologic prediction fault belt |
| CN209842083U (en) * | 2019-06-20 | 2019-12-24 | 中国电建集团成都勘测设计研究院有限公司 | Conduction type TRT seismic source excitation device under double-shield TBM environment |
| CN110673203A (en) * | 2019-10-18 | 2020-01-10 | 钱荣毅 | TBM tunnel advance forecast collection system |
| CN210152664U (en) * | 2019-06-20 | 2020-03-17 | 中国电建集团成都勘测设计研究院有限公司 | Duct piece structure convenient for installation of double-shield TBM (tunnel boring machine) geophysical geophone |
| CN210294546U (en) * | 2019-09-02 | 2020-04-10 | 山西山地物探技术有限公司 | Real-time positioning device for geophone |
-
2020
- 2020-10-10 CN CN202011077882.3A patent/CN112415575A/en active Pending
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5124956A (en) * | 1990-05-11 | 1992-06-23 | Exxon Production Research Company | Geophone with depth sensitive spikes |
| CN1182506A (en) * | 1996-02-08 | 1998-05-20 | 卡劳斯-马菲股份公司 | Linear motor |
| CN1191919A (en) * | 1997-02-28 | 1998-09-02 | 株式会社住建产业 | Set-up frame materials |
| CN2361895Y (en) * | 1999-03-25 | 2000-02-02 | 吴寿崇 | Helical casing |
| CN1693723A (en) * | 2004-04-30 | 2005-11-09 | 伯尔霍夫连接技术有限公司 | A joining assembly including a plastic support member and a plastic threaded element |
| CN101216062A (en) * | 2004-04-30 | 2008-07-09 | 伯尔霍夫连接技术有限公司 | Connecting arrangement with a plastic carrier part and a plastic thread element |
| CN102681008A (en) * | 2011-03-08 | 2012-09-19 | 中国科学院地质与地球物理研究所 | Method and devices for mounting geological prediction radiodetector in tunnel tunneled with TBM (tunnel boring machine) |
| CN204496014U (en) * | 2015-03-11 | 2015-07-22 | 山东大学 | Rock tunnel(ling) machine breaks rock focus and active source 3-D seismics associating forward probe system |
| CN105974465A (en) * | 2016-06-08 | 2016-09-28 | 山东大学 | Tunnel three-dimensional seismic wave advanced detection space observation system and tunnel three-dimensional seismic wave advanced detection space observation method |
| CN107085235A (en) * | 2017-04-13 | 2017-08-22 | 北京同度工程物探技术有限公司 | A kind of earthquake forward probe system and method applied to development machine |
| CN107544088A (en) * | 2017-11-02 | 2018-01-05 | 西南石油大学 | A kind of gas drilling underground controlled source pipe nipple |
| CN208024696U (en) * | 2018-01-25 | 2018-10-30 | 江西昌河航空工业有限公司 | A kind of screw connection structure |
| CN108802808A (en) * | 2018-06-19 | 2018-11-13 | 山东大学 | Seismic wave advanced prediction loading device and method for double shield rock rippers |
| CN110018333A (en) * | 2019-03-27 | 2019-07-16 | 国网山东省电力公司蒙阴县供电公司 | A kind of insulating bar of the multi-voltage grade electroscope with flexible positioning |
| CN209842083U (en) * | 2019-06-20 | 2019-12-24 | 中国电建集团成都勘测设计研究院有限公司 | Conduction type TRT seismic source excitation device under double-shield TBM environment |
| CN210152664U (en) * | 2019-06-20 | 2020-03-17 | 中国电建集团成都勘测设计研究院有限公司 | Duct piece structure convenient for installation of double-shield TBM (tunnel boring machine) geophysical geophone |
| CN110185454A (en) * | 2019-06-24 | 2019-08-30 | 中铁二局集团有限公司 | A kind of method of list shield double mode TBM advance geologic prediction fault belt |
| CN210294546U (en) * | 2019-09-02 | 2020-04-10 | 山西山地物探技术有限公司 | Real-time positioning device for geophone |
| CN110673203A (en) * | 2019-10-18 | 2020-01-10 | 钱荣毅 | TBM tunnel advance forecast collection system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103713335B (en) | Comprehensive advance geological detection system carried by tunnel boring machine | |
| US9500077B2 (en) | Comprehensive advanced geological detection system carried on tunnel boring machine | |
| CN109116411B (en) | Microseismic sensors are fixed and recyclable device in a kind of hole suitable for different pore size | |
| AU2017311614B2 (en) | Detection while drilling (DWD) apparatus and method for lithological composition of roadway roof | |
| CN203658603U (en) | Comprehensive advanced geological detection system carried by tunnel boring machine | |
| CN107102352B (en) | Microseism monitoring system with reusable microseism sensor | |
| CN111577360B (en) | Use method of recoverable acquisition instrument for real-time observation of stress characteristic and vibration characteristic of stope surrounding rock | |
| CN102681008A (en) | Method and devices for mounting geological prediction radiodetector in tunnel tunneled with TBM (tunnel boring machine) | |
| CN107870351B (en) | Method for installing in-hole and out-hole dual-fixing recyclable microseismic sensor | |
| CHEN et al. | Integration and high precision intelligence microseismic monitoring technology and its application in deep rock engineering | |
| CN110424938A (en) | Joint transient electromagnetic, salinity measurement and the pressure break of microseism coverage test method | |
| CN210152664U (en) | Duct piece structure convenient for installation of double-shield TBM (tunnel boring machine) geophysical geophone | |
| CN214427614U (en) | Auxiliary device for detecting collision of peripheral pipelines of foundation pit and anchor cable based on BIM | |
| CN105301645A (en) | Advanced geological forecasting method of shield construction | |
| CN103573269A (en) | Shield tunnel grouting layer performance detection method | |
| CN112415575A (en) | Auxiliary signal acquisition device and system for double-shield TBM seismic wave advanced detection | |
| CN103777235A (en) | Microseismic-monitoring-sensor arrangement method for stratified excavation of deeply-buried hard-rock tunnel | |
| CN109738964B (en) | Tunnel prediction device, tunneling machine and method for seismic wave and electromagnetic wave joint inversion | |
| CN204705721U (en) | Tunnel geological prediction seismic event excitation apparatus | |
| CN203204166U (en) | Improved TSP installing sleeve used for advance geology forecast sensor | |
| CN104932006A (en) | Mechanical energy automatic lossless excitation apparatus of artificial seismic waves in tunnel geological advanced forecast | |
| CN202693803U (en) | Blasting vibration ultrawide band signal receiving detector in drilling demolition drivage construction | |
| CN109828317B (en) | Coupling receiving device, TBM tunneling tunnel refined detection system and method | |
| CN110824552B (en) | Unfavorable geology detection system and method carried on shield machine | |
| CN113093271A (en) | Method for performing coal bed CT detection by using geological drilling arranged microseismic sensors |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |