CN105301645B - A kind of shield construction method for forecasting advanced geology and system - Google Patents
A kind of shield construction method for forecasting advanced geology and system Download PDFInfo
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Abstract
The present invention relates to shield tunnel construction advance geologic prediction fields, disclose method for forecasting advanced geology and system during a kind of shield tunnel construction.This method is running into the back wave and transmitted wave of reflecting interface formation by the seismic wave that itself mechanical shock during gathering shield machine construction in predeterminated position and direction multiposition generates, form seismic data acquisition, and using vibration signal data under shield machine mobile status, then Data Integration processing parsing is carried out, so as to form the image of reflection shield machine construction front geological condition and export display.The sustainable real-time acquisition signal of the system, and equipment need not be installed in cutter head of shield machine position, compared with the conventional method, the limitation of installation equipment is eliminated, detection accuracy and detection range can be effectively improved.
Description
Technical field
The present invention relates to a kind of shield construction method for forecasting advanced geology and systems.
Background technology
Rock tunnel(ling) machine construction method has certain particularity and complexity, this brings huge to its advance geologic prediction
Problem.It is in particular in that development machine occupies most of space at tunnel tunnel face rear, front place very little of constructing, and it is preceding
The cutterhead rotation of side needs to keep certain pressure, therefore the abutment wall at face rear does not possess placement advanced prediction detection substantially
The condition of excitation apparatus and sensor, this can bring certain difficulty to forecasting technique, method and apparatus arrangement.For seismic wave method
For, the vibrations of mechanical excavation are larger, influence also big；For electromagnetism class method, interference electric current and machine metal sense itself
It should be affected, while electromagnetism class device also is difficult to arrange and operate on face.Due to the difficulty detected above, so
The technical methods such as available TSP, TRT, TST can not be unfolded to implement in traditional drill bursting construction, but tunneler construction is over the ground
Matter situation very sensitive, the unfavorable geologic body frequently encountered in the construction process, such as special soil layer, drift sand, stone disaster of floaing again
Source is likely to induce the serious geological disaster such as prominent mud gushing water, landslide under constructing tunnel disturbance, is directly affecting development machine just
Normal headwork, in some instances it may even be possible to jeopardize the life security of construction personnel.Therefore, the geological conditions in front of development machine how is detected
This problem becomes focus of concern, how to solve this problem and also becomes an important problem.
At present, lot of domestic and international scholar has investigated several suitable tunneler construction environment in the case where continuous exploration is made great efforts
Advanced prediction method, such as ISIS active focus earthquake advanced detection technologies, generate stronger repetition pulse signal using pneumatic hammer, lead to
It crosses the three-component receiver being placed on tunnel side wall and receives earthquake record, so as to fulfill tunnel earthquake active source forward probe；
BEAM technologies, detection instrument, sensor is integrated with TBM, it is detected automatically, but it in positioning accuracy, detection range divides
There is very big problem in terms of resolution；TBM carries three-dimensional focal and swashs electricity, and the design that electricity is swashed by carrying three-dimensional focal on TBM is thought
Road, but do not have practical application yet at present；Across the hole radar detection of TBM construction tunnels is the advance geologic drilling machine carried in itself to TBM
Expansion and supplement, implement across hole geological radar imaging detection using existing drilling, can preferably detect.These detection methods are all
It is integrated and integrated with development machine to focus on detection instrument, sensor, therefore is also limited and deposited by development machine mechanical structure itself
In great limitation.
The content of the invention
A kind of shield construction advance geologic prediction side is provided it is an object of the invention to solve the technical issues of above-mentioned
Method and system, detection method needs to install detection device on development machine cutterhead during solving the existing tunneler construction of the people
The problems such as limitation and detection accuracy are low, and detection range is near.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of shield construction method for forecasting advanced geology, comprises the following steps：
Exist in predeterminated position and orientation real-time reception the shield machine seismic wave that its own mechanical vibrations generate in the construction process
The back wave and transmitted wave formed after reflecting interface is run into, forms earthquake standards data file；
The vibration signal data that acquisition shield machine is worked in the construction process under mobile status in real time；
Data processing parsing is carried out to the earthquake standards data file and vibration signal data, forms shield machine construction
The image of front geological condition simultaneously exports display.
Described image is one dimensional image, two dimensional image or 3-D view.
The method that data processing parsing is carried out to the earthquake standards data file includes deconvolution, filtering, dynamic school
Just, one or more of static correction, superposition, offset, and according to the data generation described image after analyzing and processing and export aobvious
Show.
The present invention also aims to provide a kind of shield construction advanced geology prediction system, including
Earthquake standards data file formed unit, in predeterminated position and orientation real-time reception shield machine in work progress
The back wave and transmitted wave that the seismic wave that middle its own mechanical vibrations generate is formed after reflecting interface is run into, form earthquake standards number
According to file；
Vibration signal collecting unit, for gathering the vibrations letter that shield machine is worked in the construction process under mobile status in real time
Number；
Data processing resolution unit, for being carried out to the earthquake standards data file and vibration signal data at data
Understand analysis, form the image of shield machine construction front geological condition and export display.
The earthquake standards data file, which forms unit, to be included：
Seismic receiver, including being placed in three-component geophone string in the hole apertura lateralis on the outside of tunnel portal and being placed in tunnel
It excavates in front of the tunnel in front in hole three-component geophone string and is placed in cutter head of shield machine rear section of jurisdiction side wall and handed over ground in road
Ground three-component geophone string at boundary；
Data collector, including multiple data collecting instruments, respectively with hole in front of the ground three-component geophone string, tunnel
Three-component geophone string is connected in middle three-component geophone string and hole apertura lateralis, for passing through the seismic receiver
Monitoring receives the shield machine seismic wave that cutterhead vibrations generate in tunneling process shape after reflecting interface is run into communication process
Into back wave and transmitted wave, and be sent to the data processing resolution unit.
The vibration signal collecting unit includes data receiving station, and in-wall mounting is in shield machine main body close to the non-rotation of cutterhead
Transfer part point is sent to the data processing resolution unit after receiving the vibration signal under shield machine work mobile status.
The data receiving station is centralized multichannel accelerograph.
The data processing resolution unit is computer, is built-in with the data collecting system of acquisition earthquake standard data file
And earthquake standards data file data processing resolver.
In front of the tunnel in hole in three-component geophone string and hole apertura lateralis three-component geophone string by multiple three
Component wave detector concatenates；The ground three-component geophone string is concatenated by multiple three-component geophones, describedly
The aviation plug of each three-component geophone of face three-component geophone string is connected on signal cable.
Each three-component geophone of the ground three-component geophone string includes three longitudinal wave detectors, the longitudinal direction inspection
Ripple device is orthogonal two-by-two and is soldered to the signal cable using conducting wire, and the signal cable is with steel wire rope between two parties through set
Casing middle inside is fixed in pipe, wave detector casting, and casing upper and lower ends are stamped pipe cap, and adjacent three-component geophone passes through institute
It states signal cable and steel wire rope concatenation is integrally formed.
Compared with prior art, the present invention has the advantages that：
1. square geological condition in face of excavating is visited using the seismic wave that shield machine mechanical oscillation itself generate as focus
It surveys, it is sustainable to be detected and cutter head of shield machine is transformed, subtract the limitation brought by installation transformation.
2. the seismic receiver of different position installation passes through position offset and angle respectively into the description in row position and direction
Degree offset is tracked and positions to the back wave, the transmitted wave that receive, realizes that seismic data corrections, the wave spectrum of processing are shown.
3. different position and the differently combination of seismic wave receiver can effectively solve the problems, such as geophone coupling, realize ground
The total space acquisition of seismic wave, realizes the seismological observation total space, arbitrary arrangement, and the spatial position of unfavorable geologic body predicts that forecast is each
Kind geological problem.
Description of the drawings
Fig. 1 is a kind of principle schematic of shield construction advanced geology prediction system provided by the invention；
Fig. 2 is the instrument in-site installation schematic diagram of shield construction advance geologic prediction provided by the invention；
Fig. 3 is three-component geophone string vertical section structural map in hole provided by the invention；
Fig. 4 is ground three-component geophone string vertical section provided by the invention structural map；
Fig. 5 is ground three-component geophone string cross section provided by the invention structural map；
In figure：1 tunnel portal, 2 is in front of tunnel excavations, and 3 be shield machine main body close to cutterhead non-rotating part, 4 shields
Section of jurisdiction, 5 is drill outside hole on the outside of hole, and 6 be three-component geophone string in the apertura lateralis of hole, and 7 be back wave, and 8 be transmitted wave, and 9
It is data receiving station for incidence wave, 10,11 be ground three-component geophone string, and 12 be data collecting instrument, and 13 be pipe cap, and 14 be set
Pipe, 15 be three-component geophone, and 16 be signal cable, and 17 be aviation plug, and 18 be universal hook, and 19 be shell, and 20 be reflection circle
Face, 51 be outer drilling in front of tunnel, and 61 be three-component geophone string in hole in front of tunnel.
Specific embodiment
In the following, the substantive distinguishing features and advantage of the present invention are further described with reference to example, but not office of the invention
It is limited to listed embodiment.
Shield construction method for forecasting advanced geology shown in Figure 1, of the invention, comprises the following steps：
Exist in predeterminated position and orientation real-time reception the shield machine seismic wave that its own mechanical vibrations generate in the construction process
The back wave and transmitted wave formed after reflecting interface is run into, forms earthquake standards data file；
The vibration signal data that acquisition shield machine is worked in the construction process under mobile status in real time；
Data processing parsing is carried out to the earthquake standards data file and vibration signal data, forms shield machine construction
The image of front geological condition simultaneously exports display.
It should be noted that the present invention by using shield machine in the construction process its own mechanical vibrations generate seismic wave as
Focus, by the way that in predetermined different position and different directions, multiposition, the multi-direction seismic wave for receiving focus are running into reflection circle
The back wave and the data of transmitted wave formed behind face can realize the seismic receiver of different position installation respectively into row position
And the description in direction, the back wave, the transmitted wave that receive are chased after by seismic receiver position offset and angle offset
Track and positioning realize that seismic data corrections, the wave spectrum of processing are shown, different position and the differently combination of seismic wave receiver,
It can effectively solve the problems, such as geophone coupling, realize the total space acquisition of seismic wave, realize the seismological observation total space, arbitrary arrangement,
The spatial position prediction of unfavorable geologic body, forecasts various geological problems.
The predeterminated position and orientation can determine specific position and direction according to actual conditions, to ensure to realize
The seismological observation total space, arbitrary arrangement, the spatial position prediction of unfavorable geologic body, forecast are realized in the total space acquisition of seismic wave
Various geological problems are principle.
Wherein, described image can be formed as one dimensional image, two dimensional image or 3-D view as needed.
In the present invention, it is described to the earthquake standards data file carry out data processing parsing method include deconvolution,
One or more of filtering, dynamic correction, static correction, superposition, offset, and generate described image according to the data after analyzing and processing
And export display.
The present invention also aims to provide a kind of shield construction advanced geology prediction system, including
Earthquake standards data file formed unit, in predeterminated position and orientation real-time reception shield machine in work progress
The back wave and transmitted wave that the seismic wave that middle its own mechanical vibrations generate is formed after reflecting interface is run into, form earthquake standards number
According to file；
Vibration signal collecting unit, for gathering the vibrations letter that shield machine is worked in the construction process under mobile status in real time
Number；
Data processing resolution unit connects the earthquake standards data file and forms unit and vibration signal collecting unit,
The unit data next with the transmission of vibration signal collecting unit are formed with to described for receiving the earthquake standards data file
It shakes standard data file and vibration signal data carries out data processing parsing, form the figure of shield machine construction front geological condition
Picture simultaneously exports display.
It should be noted that the present invention by using shield machine in the construction process its own mechanical vibrations generate seismic wave as
Focus, by the way that in predetermined different position and different directions, multiposition, the multi-direction seismic wave for receiving focus are running into reflection circle
The back wave and the data of transmitted wave formed behind face can realize the seismic receiver of different position installation respectively into row position
And the description in direction, the back wave, the transmitted wave that receive are chased after by seismic receiver position offset and angle offset
Track and positioning realize that seismic data corrections, the wave spectrum of processing are shown, different position and the differently combination of seismic wave receiver,
It can effectively solve the problems, such as geophone coupling, realize the total space acquisition of seismic wave, realize the seismological observation total space, arbitrary arrangement,
The spatial position prediction of unfavorable geologic body, forecasts various geological problems.
The predeterminated position and orientation can determine specific position and direction according to actual conditions, to ensure to realize
The seismological observation total space, arbitrary arrangement, the spatial position prediction of unfavorable geologic body, forecast are realized in the total space acquisition of seismic wave
Various geological problems are principle.
Wherein, described image can be formed as one dimensional image, two dimensional image or 3-D view as needed.
In the present invention, it is described to the earthquake standards data file carry out data processing parsing method include deconvolution,
One or more of filtering, dynamic correction, static correction, superposition, offset, and generate described image according to the data after analyzing and processing
And export display.
Shown in Figure 2, in the embodiment of the present invention, in specific implementation, the earthquake standards data file forms unit bag
It includes：
Seismic receiver including multiple seismic receivers, is installed on different positions by predeterminated position and direction respectively
Put and direction on, can be specifically that three-component is examined in the hole apertura lateralis for include being placed in 1 outside of tunnel portal in realization
Ripple device string 6 and after being placed in front of tunnel excavation in front of 2 tunnel three-component geophone string 61 in hole and being placed in cutter head of shield machine
The ground three-component geophone string 11 of square 4 side wall of shield duct piece and ground intersection；
Three-component geophone string 6 is pacified respectively in three-component geophone string 61 and hole apertura lateralis in hole in front of the tunnel
In front of the tunnel in drilling 51 and tunnel portal apertura lateralis 5, the hole depth 50cm of the drilling, aperture 20cm, with it is corresponding
Data collector be connected after, to drilling backfill, further improve geophone and the ground coupling；
Data collector, including multiple data collecting instruments 12, in particular number with three kinds of above-mentioned three-component geophone strings
Quantity it is consistent, be connected needs according to three kinds of facilitating for three-component geophone string, can be arranged in tunnel portal 1 and
In front of tunnel 2 and shield machine main body close to cutterhead non-rotating part 3 in tunnel on the shield duct piece 4 of cutterhead, with even
Wiring is respectively with the ground three-component geophone string 11, in front of tunnel in hole in three-component geophone string and hole apertura lateralis
Three-component geophone string is connected, for passing through three component geophone in the ground three-component geophone string 11, tunnel front hole
Three-component geophone string in device string and hole apertura lateralis, monitoring receive what shield machine cutterhead vibrations in tunneling process generated
The back wave 7 and transmitted wave 8 that layered halfspace ripple 9 is formed in communication process after reflecting interface 20 is run into, and it is sent to institute
Data processing resolution unit is stated to be handled.
The data collecting instrument 12 can use MHHC synthetical collection instrument, naturally it is also possible to use other data acquisitions
Instrument.
In specific implementation, the vibration signal collecting unit includes data receiving station 10, can be in-wall mounting（Or with
Other manner installation is fixed）It is real-time for being moved with development machine in shield machine main body non-rotating part at the position of cutterhead 3
Data are recorded, are mainly used for being sent to the data processing parsing list after receiving the vibration signal under shield machine work mobile status
Member is handled, and to identify the drilling position of shield machine and geological conditions, is handled by the data processing resolution unit, and
The image output of the geological condition in front of shield machine can intuitively be shown by being formed together according to earthquake standard data file.
Wherein, in specific implementation, the data receiving station 10 can be added using centralized multichannel of the prior art
Velograph is realized.
In specific implementation, the data processing resolution unit can be a computer, be built-in with acquisition earthquake criterion numeral
According to the data collecting system of file and earthquake standards data file data processing resolver, naturally it is also possible to be to have to calculate
Handle the processor of operational capability, the data collecting system of built-in acquisition earthquake standard data file and earthquake standards data text
Part data processing resolver, and it is configured with display or display device and operating system, human-computer interaction device etc.
Equipment.
In the present invention, referring to Fig. 4 ~ 5, in front of the tunnel in hole three points in three-component geophone string and hole apertura lateralis
Amount string is concatenated by multiple three-component geophones 15, and each three-component geophone 15 is wrapped in shell 19, signal electricity
Cable one end sets universal hook 18；Shown in Figure 3, the ground three-component geophone string is by multiple single three-component geophones
15 concatenate, and the aviation plug 17 of each single three-component geophone 15 of the ground three-component geophone string is connected to
On signal cable 16.
It is shown in Figure 3, specifically, each three-component geophone of the surface geophone string includes the three of three longitudinal directions
Component wave detector 15, the three-component geophone 15 is orthogonal two-by-two and is soldered to signal cable 16, the letter using conducting wire
Number cable is with steel wire rope between two parties through casing 14, and casing middle inside is fixed in wave detector casting, and casing upper and lower ends are stamped pipe
Cap 13, adjacent three-component geophone are integrally formed by signal cable and steel wire rope concatenation, and each aviation plug is connected to signal
Three-component geophone string is formed on cable.
It should be noted that in the present invention, three-component geophone string and tunnel front three on the outside of the hole in hole are placed in
Component string carries out simplifying processing, only retains three-component geophone core, signal cable consolidation process removes steel wire
Line, structure are more simple.Surface geophone string uses short cylindrical casing envelope three-component geophone core, and with signal cable and
Wire runs through, and cable no longer separated inside wave detector with wire through, and be designed as being rolled into a line and pass through,
Structure is more simple.
In the following, illustrate the operation of on-site collection shield machine mechanical shock seismic signal processing of the present invention with a specific example
Setting up procedure.
First, in-situ data is inputted into computer, including project profile brief introduction, seismic receiver spatial position description,
Focal point spatial position describes.Before gathered data, data collecting instrument carries out parameter configuration.Set it is each acquisition option, triggering mode,
When window selection, in real time acquisition and single acquisition selection.Gathering option includes sampling number, sampling rate, sampling gain, sample bits
Number etc., sampling number optional 1 ~ 30000, sampling rate：2000、2500、3750、5000、7500、10000、15000、20000、
30000, sample gain：1st, 2,4,8,16,32,64, sampling resolution：8、16、24.
After being provided with, check whether each survey station wiring connection is normal, by computer testing system connection, normally
Afterwards, system enters ready state, and system trigger starts earthquake data acquisition, transmission work, completes earthquake data acquisition
Afterwards, data collecting instrument gathered data forms earthquake standards data file.
House data processing：Data Management Analysis is carried out to seismic wave data file：Including taking correction, static correction, fold
Add, deviate, the professional treatments such as deconvolution.
It is imaged after data processing and geological condition sentence translating：Computer is operated, data file is carried out
Image display：Including one-dimensional pattern, X-Y scheme, 3-D graphic, tomography that may be present or molten can be shown in the image of formation
The image information that the geologic predictions such as rock geology need is right then by explanation, interpretation, analysis data file and imaging figure
Geologic information situation is described, and forms geologic prediction file and preserves or export.
Above analysis, it can be seen that the present invention is by shield driving tunnel, by focus selected as cutter head of shield machine machine
Tool shakes, and no longer using ripple of artificially initiating earthquake, reduces degree complicated for operation, reduces operation difficulty；Lead to respectively in tunnel
Independent hole arranged middle ground three-component geophone string in hole outside and tunnel excavation front ground lower opening is excavated, on shield machine
With data receiving station；It is only abandoned in hole in shield machine shield duct piece and ground intersection arrangement ground three-component geophone string
Selection multiple spot in space arranges three-component geophone string, structure Relatively centralized；And data collecting instrument record data is for a long time
Continuous record can realize continuous acquisition in real time, and for generating seismic wave compared to manual excitation, the data of acquisition more connect in real time
It is continuous, it can realize with synchronously realizing geologic prediction in the shield machine course of work.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (5)
1. a kind of shield construction method for forecasting advanced geology, which is characterized in that comprise the following steps：
Form unit in predeterminated position and orientation installation earthquake standards data file, real-time reception shield machine in the construction process from
The back wave and transmitted wave that the seismic wave that body mechanical shock generates is formed after reflecting interface is run into form earthquake standards data text
Part；
The earthquake standards data file, which forms unit, includes seismic receiver and data collector：
Seismic receiver is opened including being placed in three-component geophone string in the hole apertura lateralis on the outside of tunnel portal with being placed in tunnel
It digs three-component geophone string in the tunnel front hole in front and is placed in cutter head of shield machine rear section of jurisdiction side wall and ground intersection
Ground three-component geophone string；
In front of the tunnel in hole in three-component geophone string and hole apertura lateralis three-component geophone string by multiple three-components
Wave detector concatenates；The ground three-component geophone string is concatenated by multiple three-component geophones, the ground three
The aviation plug of each three-component geophone of component string is connected on signal cable；
Each three-component geophone of ground three-component geophone string includes three longitudinal wave detectors, and the longitudinal direction wave detector is two-by-two
Orthogonal and be soldered to the signal cable using conducting wire, the signal cable is with steel wire rope between two parties through casing, wave detector
Casing middle inside is fixed in casting, and casing upper and lower ends are stamped pipe cap, and adjacent three-component geophone passes through signal electricity
Cable and steel wire rope concatenation are integrally formed；
Data collector, including multiple data collecting instruments, respectively with Kong Zhongsan in front of the ground three-component geophone string, tunnel
Three-component geophone string is connected in component string and hole apertura lateralis, is supervised for passing through the seismic receiver
It surveys, the reception shield machine seismic wave that cutterhead vibrations generate in tunneling process is formed in communication process after reflecting interface is run into
Back wave and transmitted wave, formed earthquake standards data file；
The vibration signal number that shield machine works in the construction process under mobile status is gathered by vibration signal collecting unit in real time
According to；The vibration signal collecting unit includes data receiving station, and in-wall mounting is in shield machine main body close to the non-rotating portion of cutterhead
Point；
Data processing resolution unit carries out data processing parsing, shape to the earthquake standards data file and vibration signal data
Into shield machine construction front geological condition image and export display.
2. shield construction method for forecasting advanced geology according to claim 1, which is characterized in that described image is one-dimensional figure
Picture, two dimensional image or 3-D view.
3. shield construction method for forecasting advanced geology according to claim 2, which is characterized in that described to the earthquake mark
The method that quasi- data file carries out data processing parsing includes one in deconvolution, filtering, dynamic correction, static correction, superposition, offset
Kind is several, and according to the data generation described image after analyzing and processing and exports display.
4. a kind of shield construction advanced geology prediction system, which is characterized in that including
Earthquake standards data file forms unit, for predeterminated position and orientation real-time reception shield machine in the construction process from
The back wave and transmitted wave that the seismic wave that body mechanical shock generates is formed after reflecting interface is run into form earthquake standards data text
Part；
Vibration signal collecting unit, for gathering the vibration signal number that shield machine is worked in the construction process under mobile status in real time
According to；
Data processing resolution unit, for carrying out data processing solution to the earthquake standards data file and vibration signal data
Analysis forms the image of shield machine construction front geological condition and exports display；
The data processing resolution unit be computer, be built-in with acquisition earthquake standard data file data collecting system and
Earthquake standards data file data processing resolver；
The earthquake standards data file, which forms unit, to be included：
Seismic receiver is opened including being placed in three-component geophone string in the hole apertura lateralis on the outside of tunnel portal with being placed in tunnel
It digs three-component geophone string in the tunnel front hole in front and is placed in cutter head of shield machine rear section of jurisdiction side wall and ground intersection
Ground three-component geophone string；
In front of the tunnel in hole in three-component geophone string and hole apertura lateralis three-component geophone string by multiple three-components
Wave detector concatenates；The ground three-component geophone string is concatenated by multiple three-component geophones, the ground three
The aviation plug of each three-component geophone of component string is connected on signal cable；
Each three-component geophone of ground three-component geophone string includes three longitudinal wave detectors, and the longitudinal direction wave detector is two-by-two
Orthogonal and be soldered to the signal cable using conducting wire, the signal cable is with steel wire rope between two parties through casing, wave detector
Casing middle inside is fixed in casting, and casing upper and lower ends are stamped pipe cap, and adjacent three-component geophone passes through signal electricity
Cable and steel wire rope concatenation are integrally formed；
Data collector, including multiple data collecting instruments, respectively with Kong Zhongsan in front of the ground three-component geophone string, tunnel
Three-component geophone string is connected in component string and hole apertura lateralis, is supervised for passing through the seismic receiver
It surveys, the reception shield machine seismic wave that cutterhead vibrations generate in tunneling process is formed in communication process after reflecting interface is run into
Back wave and transmitted wave, and be sent to the data processing resolution unit；
The vibration signal collecting unit includes data receiving station, and in-wall mounting is in shield machine main body close to the non-rotating portion of cutterhead
Point, it is sent to the data processing resolution unit after receiving the vibration signal under shield machine work mobile status.
5. shield construction advanced geology prediction system according to claim 4, which is characterized in that the data receiving station is
Centralized multichannel accelerograph.
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| CN107817524B (en) * | 2017-09-28 | 2019-08-06 | 安徽理工大学 | The method and apparatus of three-dimensional seismic tomography |
| CN108107467A (en) * | 2017-12-28 | 2018-06-01 | 中国地质大学（武汉） | A kind of tunnel geological forecast automatic monitoring system |
| CN112255691B (en) * | 2020-11-09 | 2024-02-02 | 高军 | Deep fracture geological method for detecting excitation composite frequency |
| CN112558178B (en) * | 2020-12-03 | 2024-01-30 | 中铁工程装备集团有限公司 | Comprehensive geological prediction method for shield tunneling machine |
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