CN109828317A - One kind being coupled to receive device, TBM driving tunnel fining detection system and method - Google Patents
One kind being coupled to receive device, TBM driving tunnel fining detection system and method Download PDFInfo
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Abstract
The present disclosure proposes one kind to be coupled to receive device, TBM tunnels tunnel fining detection system and method, it is multiple to be coupled to receive device, it is multiple to be coupled to receive device respective signal collected is transmitted to control unit, described control unit controls TBM movement according to signal collected, during three-dimensional imaging after data inversion, the water-bearing structure for the front of tunnel heading set distance that conductivity method is detected is as constraint condition, the harm geological structure of the front of tunnel heading set distance of seismic wave method detection is overlapped and is corrected, obtain unfavorable geologic body information, realize complex probe and the imaging of TBM tunnel front of tunnel heading set distance fault belt and water-bearing structure.The optimum combination for realizing TBM tunnel advance geologic prediction avoids the limitation of conventional method, greatly improves the utilization efficiency and working efficiency of drilling, reduces detection cost and time cost.
Description
Technical field
This disclosure relates to which geology detecting technical field, it is fine to be coupled to receive device, TBM driving tunnel more particularly to one kind
Change detection system and method.
Background technique
Currently, the ultimate challenge that constructing tunnel faces is the geological disaster of geology and its association complicated and changeable, Zhong Duogong
Journey practice have shown that, pass through karst strata and rich water fissure zone easily induced water inrush and dash forward the research of abrupt geological hazard such as mud, easily occur
TBM construction safety accident, less serious case lead to card machine, mechanical failure, and serious person causes complete machine to be scrapped, casualties.
Inventor has found that, by the research and development in nearly halfth century, TBM Geological Prediction Technology is still under study for action
Starting stage not yet breaks through TBM construction tunnel advance geology exploration theory at present, and there are no reliable and effective dedicated forward probes
Method and instrument.
Summary of the invention
In order to solve the deficiencies in the prior art, embodiment of the disclosure provides one kind and is coupled to receive device, so that ground
Seismic wave method and conductivity method can be realized in same hole in the case where be changed without reception device, complete the successive of two methods
Detection is acquired with data.
To achieve the goals above, the application uses following technical scheme:
One examples of implementation of the disclosure disclose one kind and are coupled to receive device, and described device includes sequentially connected end
One end of section, linkage section and sensor segments, the end section is hanging, and one end of the other end and linkage section joins end to end, the company
One end of the other end and sensor segments that connect section joins end to end, and the sensor segments other end is located at foot of hole；
The two-channel digital sensor that conductivity method uses is distributed in middle part on the linkage section, the sensor segments
Top is equipped with seismic wave sensors used in seismic wave method, and two-channel digital sensor wire is assigned individual interlayer,
Interlayer is used for the mutual shielding of two kinds of signals.
It is above-mentioned be coupled to receive device seismic wave method and conductivity method realized in same hole be changed without reception
In the case where device, the successive detection for completing two methods is acquired with data.
Another embodiment of the present disclosure discloses TBM driving tunnel fining detection system, and the system comprises multiple
It is coupled to receive device, it is multiple to be coupled to receive device respective signal collected is transmitted to control unit, described control unit root
According to signal collected control TBM movement.
Another embodiment of the disclosure discloses TBM driving tunnel fining detection method, comprising:
Installation is coupled to receive device, seismic wave method and conductivity method point respectively on the wall of hole at left and right sides of the face rear
It realizes and is changed without in the case where be coupled to receive device not in same hole, complete the successive detection and data acquisition of two methods；
During three-dimensional imaging after data inversion, by containing for front of tunnel heading set distance that conductivity method detects
Water construction be used as constraint condition, to seismic wave method detection front of tunnel heading set distance harm geological structure be overlapped and
Amendment, acquisition unfavorable geologic body information, realization TBM tunnel front of tunnel heading set distance fault belt and water-bearing structure
Complex probe and imaging.
As the further technical solution of the application, three-dimensional visualization expression is carried out to unfavorable geologic body information, will be answered
The inversion result for closing detection carries out three-dimensional space spread, and blocking interpolation is carried out on the basis of visualization, realizes complex probe side
Three-dimensional grid building under formula, the final fining imaging for realizing tunnel front of tunnel heading set distance unfavorable geologic body.
Compared with prior art, the beneficial effect of the disclosure is:
1. disclosed technique scheme is coupled to receive device, a Kong Duoyong is realized, so that seismic wave method and conductivity method
It can realize that the successive detection for completing two methods is acquired with data in the case where being changed without reception device in same hole.
2. the disclosure is based on seismic wave method and the TBM of conductivity method joint inversion driving tunnel fining detection, the party
Method is creative to integrate two different method for forecasting advanced geology, realizes TBM tunnel advance geologic prediction most
Excellent combination avoids the limitation of conventional method, greatly improves the utilization efficiency and working efficiency of drilling, reduces detection
Cost and time cost.
3. the disclosure complex probe method realizes TBM tunnel front of tunnel heading 100m fault belt and water-bearing structure
Synchronizing detection, filled up the deficiency of current TBM advance geologic prediction effective ways, realize TBM tunnel over long distances, multiclass
Not, the efficient detection method of effect standard.
Detailed description of the invention
The Figure of description for constituting a part of this disclosure is used to provide further understanding of the disclosure, and the disclosure is shown
Meaning property embodiment and its explanation do not constitute the improper restriction to the disclosure for explaining the disclosure.
Fig. 1 is that the sub- TBM of the embodiment of the present disclosure tunnels the specific steps flow chart that tunnel refines detection method；
Fig. 2 is the coupling device overall structure figure of embodiment of the present disclosure；
Fig. 3 (a)-Fig. 3 (d) is the coupling device decomposition chart of embodiment of the present disclosure；
Fig. 4 is the coupling device cross-section diagram of embodiment of the present disclosure.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the disclosure.Unless another
It indicates, all technical and scientific terms used herein has usual with disclosure person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the disclosure.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In TBM construction tunnel, due to leading to advance geologic prediction work there presently does not exist effective dedicated forecasting procedure
There are increasingly complex problems in work, therefore, higher geological disaster occurrence risk are faced in TBM tunnel construction.Especially exist
There are great difficulty, Seepage Prediction and estimation problems demands to solve and break through in terms of the forecast of water content.Meanwhile the ground to take place frequently
Matter disaster is that TBM tunnel construction has brought tremendous economic losses and safety problem, development are directed to the TBM tunnel construction phase poorly
The advanced prediction research of matter has Important Project value and theory significance.
Examples of implementation one
In order to realize that the advanced prediction to TBM tunnel construction phase unfavorable geology, embodiment of the present disclosure disclose a kind of coupling
Splice grafting receiving apparatus, this, which is coupled to receive device, makes it that can receive seismic wave information and electromagnetic wave information respectively, realizes two kinds of detection sides
The synthetical collection of formula, and do not interfere with each other between each other.
Referring to shown in attached drawing 2, one kind being coupled to receive device and is divided into three parts, including end section, linkage section specific structure
And sensor segments, seismic wave sensors used in seismic wave method are installed, when use must be by magnet face at the top of sensor segments
To tunnel tunnel face, the two-channel digital sensor that conductivity method uses is distributed in the middle part of linkage section, the coupling device
Three parts need to tighten when in use to be secured together, and three parts are divided into after measurement and are stored, when three parts are individually stored,
Specific structure adopts a split structure herein referring to shown in 3 (a)-Fig. 3 (d) of attached drawing, compares in storage, carrying and replacement
It is more convenient, increase reliability when application.
In an examples of implementation, each section is all hollow lever in end section, linkage section and sensor segments, and the body of rod is all gold
Belong to material, there is the signal wire of sensor in inside.The device sensor segments and the connection of linkage section, linkage section and end section are mainly
It is fixed together by threads turn, it is convenient for disassembly and assembly.For end section mainly there are two effect, one is to store signal line output terminal, one
A is to indicate reception device direction, i.e., after entire reception device fixes, there is color identifier in the decline side of end section, should
Mark is with sensor segments black magnet towards same direction.
In an examples of implementation, since receiving unit is by an extremely sensitive three-component seismic acceleration wave detector (X-
Y-Z component) it forms, it in order to ensure the all-wave of three-dimensional space range records, needs magnet face towards face, magnet is sensing
A part of device represents the direction of one-component.
In an examples of implementation, there are two the two-channel digital sensors of conductivity method, when the magnet of geophone
When towards face, the two two-channel digital sensors are located at the upper and lower for receiving bar.
Certainly, in another examples of implementation, three parts can also be structure as a whole, and manufacture craft is relatively easy, in specific work
Journey in application, can according to actual needs using it is seperated when or integral type.
In an examples of implementation, in order to realize to the better shield effectiveness of signal, referring to shown in attached drawing 4, conductivity method
The two-channel digital sensor wire used is assigned individual interlayer, to guarantee to shield signal completely.
In an examples of implementation, interlayer is located inside the body of rod, until body of rod end below two-channel digital sensor, makees
Be in order to ensure the signal wire of conductivity method and the signal wire of seismic wave method separate, not only be easy distinguish but also interference can be shielded.
Interlayer wraps up signal wire using metal net shaped braiding layer, is insulating layer outside shielded layer, i.e., wire rod is by believing inside interlayer
Number line+shielded layer+insulating layer is constituted.Interlayer is the space that rod piece internal independence comes out, and is similarly metal material.This independently goes out
The space come is used to store the sensor wire of conductivity method.
In specific installation, drilling number is 6 groups totally 12, each side 6, face rear, in symmetrical point
Cloth, drillhole height 1.5m, the spacing of wells are 5~7m, and hole depth, that is, reception device buried depth is 1.5~2m, nearest apart from face
One group of distance for being bored into face is 15m.
Arrangement, which can be realized, in hole is coupled to receive device used in two kinds of advanced prediction methods, realize a Kong Duoyong, make
Obtaining seismic wave method and conductivity method can realize in same hole in the case where being changed without reception device, complete two methods
Successively detection is acquired with data.
Specifically, it is coupled to receive the combination that device is two kinds of detection methods probe, it is another to pop one's head in when a kind of probe work
Silent closed state is kept, the wiring of two kinds of probes is enclosed with insulation cushion rubber and wire coil, to reach the mutual of two kinds of signals
Shielding.The composition of wiring is signal wire, shielded layer, insulating layer respectively from inside to outside.Shielded layer is with wire coil braiding layer handle
What signal wire wrapped up, insulating layer i.e. insulation cushion rubber.
Examples of implementation two
Embodiment of the present disclosure is disclosed using the above-mentioned TBM driving tunnel fining detection method for being coupled to receive device,
Disclosure combination TBM practical engineering application, by the way that each number of rows amount of making a call to is identical etc. on the wall of hole at left and right sides of face rear
Spacing drilling, is simutaneously arranged the device that is coupled to receive of two kinds of advanced prediction methods, realizes a Kong Duoyong, so that seismic wave method and multiple
Electrical conductivity method can be realized in same hole in the case where be changed without reception device, complete the successive detection and data of two methods
Acquisition.
During three-dimensional imaging after data inversion simultaneously, the front of tunnel heading 100m that conductivity method is detected is aqueous
Construction is used as constraint condition, and the front of tunnel heading 100m harm geological structure of seismic wave method detection is overlapped and is corrected, real
Complex probe and the imaging of existing TBM tunnel front of tunnel heading 100m fault belt and water-bearing structure, to realize face
The fining detection of front harm geological structure.
This method greatly reduces drilling hole amount, has not only saved detection cost, more saves detection time, while this method
The single of water-bearing structure can only be detected by avoiding the problem of seismic wave method detects water-bearing structure scarce capacity and conductivity method
Property limitation, realize the optimum combination of two methods.The complex probe method not only realizes optimal collocation, and can be mutual
Verifying, greatly improves the efficiency and accuracy rate of TBM tunnel advanced prediction, is a kind of compound spy efficiently, accurate, initiative
Survey method.
For the technical solution of the disclosure during three-dimensional imaging in later period, the achievement that conductivity method is detected is as constraint
Condition is tested and is corrected to the detection result of seismic wave method, finally obtains and utilizes the comprehensive of two kinds of advanced prediction methods detection
Close processing result.
In an examples of implementation, above-mentioned TBM driving tunnel refines detection method, and specific process is as shown in attached drawing 1, packet
It includes:
Step (1): the inherent mechanism and ground of spy water method are led by studying the telegram in reply based on rock capacitivity and conductivity
Seismic wave method Detection Techniques establish unified compound observed pattern, including the spacing of wells, drilling number etc..
In specific embodiment, drilling number is 6 groups totally 12, each side 6, face rear, in symmetrical expression
Distribution, drillhole height 1.5m, the spacing of wells are 5~7m, and hole depth, that is, reception device buried depth is 1.5~2m, nearest apart from face
One group of distance for being bored into face be 15m.
Seismic wave method observed pattern can both select explosive as explosive source, can also select focus gun or hammering
Mode, select explosive as focus when, blasthole should be placed on face, blasthole spacing be 1.5~3m, blasthole height 1.5m,
Buried depth is 2m.
Step (2): that establishes seismic wave method and conductivity method is coupled to receive device, makes it that can receive seismic wave letter respectively
Breath and electromagnetic wave information, realize the synthetical collection of two kinds of detection modes, and do not interfere with each other between each other.
It is coupled to receive the combination that device is two kinds of detection methods probe, when a kind of probe work, another kind probe holding is quiet
Silent closed state.In the case where seismic wave method and conductivity method being realized be changed without reception device in same hole,
The successive detection for completing two methods is acquired with data.
Step (3): the water-bearing structure developmental state of front of tunnel heading 100m is obtained by conductivity method, and is made
Seismic wave method inversion result is modified for constraint condition, obtains the unfavorable geologic body information of front of tunnel heading 100m.
Conductivity method detection result is handled by coherence in frequency domain method, the detection result of seismic wave method is used
Conventional inversion method carries out inversion imaging, and the water-bearing structure distribution map that conductivity method is obtained is as constraint condition to seismic wave
Method inversion result is overlapped and corrects, and obtains revised unfavorable geologic body image-forming information.
In specific embodiment, water-bearing structure developmental state is water-bearing structure distributing position on specific data shape
And water figure.
Inversion result is respectively the inversion result of two kinds of advanced prediction methods, since seismic wave method is in forecast tunnel tunnel face
There is natural disadvantage when the water-bearing structure of front, therefore situation confidence level aqueous for front is not high, passes through the anti-of conductivity method
It drills as a result, the aqueous situation of tunnel tunnel face front 100m or so can be grasped accurately.Therefore pass through the anti-of conductivity method
It drills result to be modified the inversion result of seismic wave method, seismic wave method can be made up for the deficiency of forecast water-bearing structure, made
Accurate forecast can be obtained by obtaining tunnel tunnel face front 100m either crushed zone, tomography or water content.
The process of superposition and correction is to carry out inverting to the data that two kinds of method for forecasting advanced geology obtain respectively, is passed through
The processing result that the processing result that conductivity method obtains is obtained with seismic wave method is overlapped, so that it may grasp essence in front of tunnel
The unfavorable geologic body distribution of true distance, since seismic wave method can obtain believable tomography and crushed zone distribution, but for
The Effect on Detecting of water body is often bad, so that result is insincere or lacks, therefore being contained by what superposition conductivity method obtained
Water body data, so that it may make up the deficiency of seismic wave method in this respect, the inversion result of two methods be carried out after superposition detailed
Analysis, modify seismic wave method in for water content detection inaccuracy place, can be obtained by believable tunnel face in this way
Side's 100m unfavorable geologic body is distributed in front.
Step (4): carrying out three-dimensional visualization expression to unfavorable geologic body information, and the inversion result of complex probe is carried out three
Dimension space spread carries out blocking interpolation on the basis of visualization, realizes the three-dimensional grid building under complex probe mode, finally
Realize the fining imaging of tunnel front of tunnel heading 100m unfavorable geologic body.
In the examples of implementation, the precise information of the complex probe method not only available unfavorable geologic body can be with
Geology migration imaging and country rock wave speed distribution are obtained, to react the geology and construction feature, rock soil medium of front of tunnel heading
The key indexes such as mechanics parameter, integrality.
The distance of each excitation point to receiving station is determining in seismic wave method, and direct wave caused by shaking reaches receiver
Time can measure, the velocity of wave of rock mass can be calculated in this way.It is exactly to be utilized ground that seismic wave method, which carries out advance geologic prediction,
Seismic wave calculates distance when walking.Fault belt often due to structure surface development, rock mass is loose, broken or argillization and have poor
Mechanical property.Corresponding, the rock mass velocity of fault belt wants much lower compared with surrounding rock body.
In specific embodiment, blocking interpolation proposed adoption Kr i gi ng interpolation, first to seismic wave method inverting knot
Fruit carries out three-dimensional imaging, and then according to the constraint condition of conductivity method, three-dimensional grid model is reconstructed.
It should be noted that seismic wave method has on TBM using precedent, it is predominantly located at TBM cutterhead rear and carries out phase
The advance geologic prediction of pass works, and the combination of embodiment of the present disclosure and TBM and the combination of existing seismic wave method and TBM work
Principle be it is identical, belong to the prior art, be not described in detail herein.
Examples of implementation three
Embodiment of the present disclosure is disclosed using the above-mentioned TBM driving tunnel fining detection system for being coupled to receive device,
Device is coupled to receive the system comprises multiple, it is multiple to be coupled to receive device that respective signal collected is transmitted to control is single
Member, described control unit control TBM according to signal collected and act.The specific structure of device is coupled to receive referring to examples of implementation
One, details are not described herein again, and when realizing TBM driving tunnel fining detection, preferable use is using in examples of implementation two
TBM tunnels tunnel and refines detection method, and certainly, which can also carry out detection operations with the method except embodiment two.
It is understood that in the description of this specification, reference term " embodiment ", " another embodiment ", " other
The description of embodiment " or " first embodiment~N embodiment " etc. means specific spy described in conjunction with this embodiment or example
Sign, structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned
The schematic representation of term may not refer to the same embodiment or example.Moreover, the specific features of description, structure, material
Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
The foregoing is merely preferred embodiment of the present disclosure, are not limited to the disclosure, for the skill of this field
For art personnel, the disclosure can have various modifications and variations.It is all within the spirit and principle of the disclosure, it is made any to repair
Change, equivalent replacement, improvement etc., should be included within the protection scope of the disclosure.
Claims (10)
1. one kind is coupled to receive device, characterized in that described device includes sequentially connected end section, linkage section and sensor
One end of section, the end section is hanging, and one end of the other end and linkage section joins end to end, the other end and sensing of the linkage section
One end of device section joins end to end, and the sensor segments other end is located at foot of hole；
The two-channel digital sensor that conductivity method uses, the top of the sensor segments is distributed in middle part on the linkage section
Seismic wave sensors used in seismic wave method are installed, two-channel digital sensor wire is assigned individual interlayer, interlayer
Mutual shielding for two kinds of signals.
2. one kind as described in claim 1 is coupled to receive device, characterized in that the sequentially connected end section, linkage section
With sensor segments in connection, the connection of adjacent segment is realized using interconnecting piece.
3. one kind as described in claim 1 is coupled to receive device, characterized in that the sequentially connected end section, linkage section
It is replaced with sensor segments are as follows: the end section, linkage section and sensor segments are structure as a whole.
4. one kind as described in claim 1 is coupled to receive device, characterized in that the two-channel digital sensor and seismic wave
Sensor does not work at the same time, by its working condition of respective switch control.
5. one kind as described in claim 1 is coupled to receive device, characterized in that described device is mounted on tunnel tunnel face rear
In the hole of the left and right sides, by magnet towards tunnel tunnel face when described device uses.
6. one kind as described in claim 1 is coupled to receive device, characterized in that the two-channel digital sensor and seismic wave
The wiring of the probe of sensor is enclosed with insulation cushion rubber and wire coil.
7.TBM tunnels tunnel and refines detection system, characterized in that it is any described that the system comprises multiple claim 1-6
Be coupled to receive device, it is multiple to be coupled to receive device respective signal collected is transmitted to control unit, described control unit
TBM movement is controlled according to signal collected.
8.TBM tunnels tunnel and refines detection method, characterized in that includes:
Install that claim 1-6 is any described to be coupled to receive device, earthquake at left and right sides of the face rear on the wall of hole respectively
Wave method and conductivity method are realized in same hole respectively to be changed without in the case where be coupled to receive device, and the elder generation of two methods is completed
Detection is acquired with data afterwards；
Data acquisition is transmitted to control unit, during three-dimensional imaging after data inversion, the palm that conductivity method is detected
The water-bearing structure of square set distance is used as constraint condition in face of son, and the front of tunnel heading set distance detected to seismic wave method is not
Good geological structure is overlapped and corrects, and obtains unfavorable geologic body information, realizes TBM tunnel front of tunnel heading set distance tomography
The complex probe and imaging of crushed zone and water-bearing structure.
9. TBM as claimed in claim 8 driving tunnel refines detection method, characterized in that unfavorable geologic body information into
The inversion result of complex probe is carried out three-dimensional space spread, block is carried out on the basis of visualization by the expression of row three-dimensional visualization
Change interpolation, realizes the three-dimensional grid building under complex probe mode, it is final to realize tunnel front of tunnel heading set distance poorly
The fining of plastid is imaged.
10. TBM driving tunnel as claimed in claim 8 refines detection method, characterized in that feelings are developed in the water-bearing structure
Condition is water-bearing structure distributing position and water figure on specific data shape.
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| CN112379405A (en) * | 2020-10-16 | 2021-02-19 | 山东大学 | Detector stepping automatic installation device and method for tunneling detection along with TBM |
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