CN107957593B - A kind of Thick Underground Ice degeneration monitoring system and control evaluation method - Google Patents
A kind of Thick Underground Ice degeneration monitoring system and control evaluation method Download PDFInfo
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- CN107957593B CN107957593B CN201711373707.7A CN201711373707A CN107957593B CN 107957593 B CN107957593 B CN 107957593B CN 201711373707 A CN201711373707 A CN 201711373707A CN 107957593 B CN107957593 B CN 107957593B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 30
- 230000007850 degeneration Effects 0.000 title claims abstract description 27
- 238000011156 evaluation Methods 0.000 title claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 34
- 238000010008 shearing Methods 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000005553 drilling Methods 0.000 claims abstract description 6
- 230000008859 change Effects 0.000 claims abstract description 5
- 239000002689 soil Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 238000011160 research Methods 0.000 claims description 4
- 230000001932 seasonal effect Effects 0.000 claims description 4
- 238000002834 transmittance Methods 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 8
- 239000010410 layer Substances 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 208000033748 Device issues Diseases 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
- G01V1/30—Analysis
- G01V1/306—Analysis for determining physical properties of the subsurface, e.g. impedance, porosity or attenuation profiles
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V2210/00—Details of seismic processing or analysis
- G01V2210/60—Analysis
- G01V2210/62—Physical property of subsurface
- G01V2210/622—Velocity, density or impedance
- G01V2210/6224—Density
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Computer Networks & Wireless Communication (AREA)
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Abstract
A kind of Thick Underground Ice degeneration monitoring system and control evaluation method.Wherein system includes shearing wave producer, several wave detectors, providing holes, wireless controller and background server；Thick Underground Ice degeneration monitoring system provided by the invention and control evaluation method have the advantages that 1) easy to implement.Acquisition equipment is laid after drilling and belongs to conventional construction technique, is easy to field conduct.2) dynamic acquisition.It can be tested according to acquisition plan remote control scene, realize the real-time acquisition of test data, be analyzed in real time.3) result reliability is high.Using propagation characteristic of the shearing wave between different medium, the change in location of Thick Underground Ice or more ice sheet is tested, to judge the degree of degeneration of Thick Underground Ice.
Description
Technical field
The invention belongs to frozen soil technical fields, evaluate more particularly to a kind of Thick Underground Ice degeneration monitoring system and control
Method.
Background technique
Thick Underground Ice is the common physical geography phenomenon in Permafrost Area, it is characterized in that ice lens is in stratiform,
Parallelly distribute on is in earth's surface lower part, and producing cause is mainly the unbalanced fluctuation and external water replenishment due to temperature, first in depth
Layer forms ice lens and gradually thickeies, and subsequent several year-climates turn cold, and deep layer ice does not melt, yet forms at an upper portion thereof new
Segregate ice sheet.The same similar to sandwich, ice soil is distributed between Thick Underground Ice.
The presence of ice sheet changes local soil matrix ability to work, the thickening of ice sheet and subtracts especially during Frozen-thawed cycled
The thin working performance that changed dramatically soil matrix.When railway is arranged at top, highway passes through, different degrees of frost heave and thaw collapse will cause
Phenomenon.Occurring the above problem in order to prevent, conventional way is drilling monitoring ground temperature, so that influence of the temperature to soil matrix is grasped,
This method is advantageous in that visual result, and data are reliable, is suitable for different types of frozen soil geological condition, especially to movable soil layer
Judging result it is accurate.Disadvantage be to layout quantity and monitoring range it is limited, therefore be only capable of to part, typical, key area
It is monitored, and cannot achieve larger range of monitoring.
Therefore, to reinforce grasp to ever-frozen ground soil matrix working performance, from being realized in larger scope to soil matrix workability
The monitoring and evaluation of energy, propose that new test idea and method just seems very significant.
To sum up, in conjunction with layering this special physical geography phenomenon of ice, the method and implementation of monitoring layering glacier recession are proposed
Undoubtedly there is technological means theoretical research value and engineering practice to be worth.But still lack corresponding system and method at present.`
Summary of the invention
To solve the above-mentioned problems, the purpose of the present invention is to provide a kind of Thick Underground Ice degeneration monitoring system and controls
Evaluation method.
In order to achieve the above object, Thick Underground Ice degeneration monitoring system provided by the invention include shearing wave producer,
Several wave detectors, providing holes, wireless controller and background server；Being provided with hole is the hole formed downward vertically from ground
Hole, lower end between upper ice sheet and lower ice sheet, at least there are two, the setting of two or more providing holes intervals, one of them is
Generator providing holes, remaining is wave detector providing holes；Shearing wave producer is set to the lower part of generator providing holes, and close to upper
At ice sheet；Several wave detectors are set in a wave detector providing holes and are located above ice sheet, simultaneously at upper ice sheet
And between upper ice sheet and lower ice sheet；Shearing wave producer and several wave detectors are connect by data line with wireless controller；
Wireless controller and background server pass through the progress information transmitting of 4G network；Background server is the meter being arranged in control centre
Calculation machine.
Distance between the generator providing holes and wave detector providing holes is 1-100 meters.
The Thick Underground Ice degeneration monitoring system further includes the solar power supply apparatus being connected with wireless controller.
The control method of Thick Underground Ice degeneration monitoring system provided by the invention includes the following steps executed in order:
1) the S1 stage of system free time: in this stage, wireless controller is in low spot and awaits orders the stage；
2) judge whether the S2 stage of starting detection program: in this stage, wireless controller detects whether after receiving
What platform server issued starts the order of detection, if it is judged that being "Yes", then enters the S3 stage；Otherwise the S1 stage is returned；
3) start detection the S3 stage: in this stage, wireless controller starts System self-test, for shearing wave producer and
Several wave detectors are powered, subsequently into the S4 stage；
4) judge the self-test whether normal S4 stage: in this stage, this system being judged according to the self-detection result in S3 stage
It whether normal works, if it is judged that being "Yes", then enters the S5 stage, otherwise enter the S6 stage；
5) start the S5 stage of detection: in this stage, wireless controller control shearing wave producer is started to work and is produced
Raw Horizontal Vibration, while starting several wave detectors and receive the waveform that the vibration is excited and being propagated between Thick Underground Ice interlayer
Test data, and the test data recorded in 2 minutes is transferred to wireless controller, subsequently into the S7 stage；
6) prompt the S6 stage manually overhauled: in this stage, wireless controller is issued to background server and is alarmed
Then signal returns to the S1 stage to remind staff to repair in time；
7) the S7 stage of transmitting test data: in this stage, wireless controller uploads above-mentioned test to background server
Data, while being stored, after upload, return to S2 stage inlet.
The evaluation method of Thick Underground Ice degeneration monitoring system provided by the invention includes the following steps executed in order:
1) the S11 stage of scene drilling: in this stage, staff after in winter, soil sample is freezed measuring point from ground to
Under vertically form at least two providing holes, two or more providing holes intervals settings, one of them is generator providing holes, remaining
For wave detector providing holes, subsequently into the S12 stage；
2) the S12 stage of system arrangement: in this stage, staff will shear wave producer and several wave detectors point
It She Zhi not be in generator providing holes and wave detector providing holes, wherein shearing wave producer is located at the lower part of generator providing holes,
And at upper ice sheet；Several wave detectors are set in a wave detector providing holes simultaneously and are located above ice sheet,
At upper ice sheet and between upper ice sheet and lower ice sheet, and by shearing wave producer and several wave detectors by data line and wirelessly
Controller connection；Subsequently into the S13 stage；
3) the S13 stage of test site data: in this stage, staff starts the background service in control centre
Device issues the signal for starting test to wireless controller, after the instruction for receiving background server, wireless controller control shearing
Wave producer and several wave detectors work, and background server are tested, record and transfer data to, subsequently into the S14 stage；
4) analyze the S14 stage of field test data result: in this stage, staff analyzes on background server
Above-mentioned on-the-spot test as a result, according to shearing wave reach time calculate the distance between upper ice sheet and lower ice sheet, according to shearing
The waveform and phasometer of wave calculate decaying of the shearing wave in transmittance process, finally calculate water content of soil and density becomes
Change, subsequently into the S15 stage；
5) form the S5 stage of research and application report: in this stage, staff compares the survey that Various Seasonal is collected into
Data are tried, annual analysis report are formed, for evaluating Thick Underground Ice degenerate case.
Thick Underground Ice degeneration monitoring system provided by the invention and control evaluation method have the advantages that 1) embodiment party
Just.Acquisition equipment is laid after drilling and belongs to conventional construction technique, is easy to field conduct.2) dynamic acquisition.It can be according to acquisition plan
Remote control scene is tested, and realizes the real-time acquisition of test data, is analyzed in real time.3) result reliability is high.Utilize shearing
Propagation characteristic of the wave between different medium tests the change in location of Thick Underground Ice or more ice sheet, to judge thick-layer underground
The degree of degeneration of ice.
Detailed description of the invention
Fig. 1 is Thick Underground Ice degeneration monitoring system initial placement state diagram provided by the invention.
Fig. 2 is that Thick Underground Ice degeneration monitoring system provided by the invention works in the system that upper layer ice sheet starts when melting
State diagram.
Fig. 3 is system work of the Thick Underground Ice degeneration monitoring system provided by the invention when upper layer ice sheet melts completely
State diagram.
Fig. 4 is the control method flow chart of Thick Underground Ice degeneration monitoring system provided by the invention.
Fig. 5 is the evaluation method flow chart of Thick Underground Ice degeneration monitoring system provided by the invention.
Specific embodiment
Thick Underground Ice degeneration monitoring system provided by the invention and control are commented in the following with reference to the drawings and specific embodiments
Valence method is described in detail.
As shown in Figure 1, Thick Underground Ice degeneration monitoring system provided by the invention include shearing wave producer 1, several
Wave detector 2, providing holes 3, wireless controller 4 and background server；Being provided with hole 3 is the hole formed downward vertically from ground
Hole, lower end between upper ice sheet 5 and lower ice sheet 6, at least there are two, the setting of two or more providing holes 3 interval, one of them
For generator providing holes, remaining is wave detector providing holes；Shearing wave producer 1 is set to the lower part of generator providing holes, and leans on
At closely upper ice sheet 5；Several wave detectors 2 be set in a wave detector providing holes and be located at simultaneously 5 top of ice sheet, on
At ice sheet 5 and between upper ice sheet 5 and lower ice sheet 6；Shearing wave producer 1 and several wave detectors 2 are by data line and wirelessly
Controller 4 connects；Wireless controller 4 and background server pass through the progress information transmitting of 4G network；Background server is that setting exists
Computer in control centre.
Distance between the generator providing holes and wave detector providing holes is 1-100 meters.
The Thick Underground Ice degeneration monitoring system further includes the solar powered dress being connected with wireless controller 4
It sets, for providing electric energy for wireless controller 4.
Now Thick Underground Ice provided by the invention degeneration monitoring System Working Principle is described below:
As shown in Fig. 1-Fig. 3, when needing the working performance to frozen soil soil matrix to be monitored and evaluating, first by working
Personnel open the background server in control centre, and issue the letter for starting test to wireless controller 4 using background server
Number；After wireless controller 4 receives the instruction of background server, the control shearing generation of wave producer 1 is horizontally vibrated, simultaneously
Start several wave detectors 2 and receive the test data that the waveform that the vibration is excited is propagated between Thick Underground Ice interlayer, then
It sends received test data to wireless controller 4, backstage is uploaded to after being handled and stored by wireless controller 4 later
Server；Staff analyzes the test data at scene on background server, is calculated according to the time that shearing wave reaches
Distance between ice sheet 5 and lower ice sheet 6 calculates shearing wave declining in transmittance process according to the waveform of shearing wave and phasometer
Subtract, and calculates water content of soil and variable density；The finally test data that comparison Various Seasonal is collected into, forms annual analysis
Report, for evaluating Thick Underground Ice degenerate case.
As shown in figure 4, the control method of Thick Underground Ice degeneration monitoring system provided by the invention includes executing in order
The following steps:
1) the S1 stage of system free time: in this stage, wireless controller 4 is in low spot and awaits orders the stage；
2) judge whether the S2 stage of starting detection program: in this stage, wireless controller 4 detects whether after receiving
What platform server issued starts the order of detection, if it is judged that being "Yes", then enters the S3 stage；Otherwise the S1 stage is returned；
3) start the S3 stage of detection: in this stage, wireless controller 4 starts System self-test, to shear wave producer 1
It is powered with several wave detectors 2, subsequently into the S4 stage；
4) judge the self-test whether normal S4 stage: in this stage, this system being judged according to the self-detection result in S3 stage
It whether normal works, if it is judged that being "Yes", then enters the S5 stage, otherwise enter the S6 stage；
5) start detection the S5 stage: in this stage, wireless controller 4 control shearing wave producer 1 start to work and
Horizontal Vibration is generated, while starting several wave detectors 2 and receiving the waveform that is excited of the vibration between Thick Underground Ice interlayer
The test data of propagation, and the test data recorded in 2 minutes is transferred to wireless controller 4, subsequently into the S7 stage；
6) prompt the S6 stage manually overhauled: in this stage, wireless controller 4 is issued to background server 5 and is reported
Then alert signal returns to the S1 stage to remind staff to repair in time；
7) the S7 stage of transmitting test data: in this stage, wireless controller 4 uploads above-mentioned test to background server
Data, while being stored, after upload, return to S2 stage inlet.
As shown in figure 5, the evaluation method of Thick Underground Ice degeneration monitoring system provided by the invention includes executing in order
The following steps:
1) the S11 stage of scene drilling: in this stage, staff after in winter, soil sample is freezed measuring point from ground to
Under vertically form at least two providing holes 3, the setting of two or more intervals of providing holes 3, one of them is generator providing holes,
Remaining is wave detector providing holes, subsequently into the S12 stage；
2) the S12 stage of system arrangement: in this stage, staff will shear wave producer 1 and several wave detectors 2
It is separately positioned in generator providing holes and wave detector providing holes, wherein shearing wave producer 1 is located under generator providing holes
Portion, and at upper ice sheet 5；Several wave detectors 2 are set in a wave detector providing holes simultaneously and are located at ice sheet 5
At top, upper ice sheet 5 and between upper ice sheet 5 and lower ice sheet 6, and shearing wave producer 1 and several wave detectors 2 are passed through into number
It is connect according to line with wireless controller 4；Subsequently into the S13 stage；
3) the S13 stage of test site data: in this stage, staff starts the background service in control centre
Device issues the signal for starting test to wireless controller 4, and after the instruction for receiving background server, the control of wireless controller 4 is cut
Wave producer 1 and the work of several wave detectors 2 are cut, background server is tested, records and transfer data to, subsequently into S14
Stage；
4) analyze the S14 stage of field test data result: in this stage, staff analyzes on background server
Above-mentioned on-the-spot test as a result, the distance between upper ice sheet 5 and lower ice sheet 6 is calculated according to the time that shearing wave reaches, according to cutting
The waveform and phasometer for cutting wave calculate decaying of the shearing wave in transmittance process, finally calculate water content of soil and density becomes
Change, subsequently into the S15 stage；
5) form the S5 stage of research and application report: in this stage, staff compares the survey that Various Seasonal is collected into
Data are tried, annual analysis report are formed, for evaluating Thick Underground Ice degenerate case.
Claims (1)
1. a kind of evaluation method of Thick Underground Ice degeneration monitoring system, the Thick Underground Ice degeneration monitoring system includes cutting
Cut wave producer (1), several wave detectors (2), providing holes (3), wireless controller (4) and background server；It is provided with hole
(3) be the hole formed downward vertically from ground, lower end between upper ice sheet (5) and lower ice sheet (6), at least there are two, two
The setting of a or multiple providing holes (3) intervals, one of them is generator providing holes, remaining is wave detector providing holes；Shearing wave hair
Raw device (1) is set to the lower part of generator providing holes, and at upper ice sheet (5)；Several wave detectors (2) are set to one simultaneously
In a wave detector providing holes and be located above ice sheet (5), at upper ice sheet (5) and upper ice sheet (5) and lower ice sheet (6) it
Between；Shearing wave producer (1) and several wave detectors (2) are connect by data line with wireless controller (4)；Wireless controller
(4) information transmitting is carried out by 4G network with background server；Background server is the computer being arranged in control centre；Its
It is characterized in that:
The evaluation method of the Thick Underground Ice degeneration monitoring system includes the following steps executed in order:
1) the S11 stage of scene drilling: in this stage, staff lets droop in measuring point from ground after in winter, soil sample is freezed
Straight is at least two providing holes (3), and the setting of two or more providing holes (3) intervals, one of them is generator providing holes,
Remaining is wave detector providing holes, subsequently into the S12 stage；
2) the S12 stage of system arrangement: in this stage, staff will shear wave producer (1) and several wave detectors (2)
It is separately positioned in generator providing holes and wave detector providing holes, wherein shearing wave producer (1) is located at generator providing holes
Lower part, and at upper ice sheet (5)；Several wave detectors (2) are set in a wave detector providing holes simultaneously and are located at
Above upper ice sheet (5), at upper ice sheet (5) and between upper ice sheet (5) and lower ice sheet (6), and wave producer (1) will be sheared and if
Dry wave detector (2) is connect by data line with wireless controller (4)；Subsequently into the S13 stage；
3) the S13 stage of test site data: in this stage, staff starts the background server in control centre, to
Wireless controller (4) issues the signal for starting test, and after the instruction for receiving background server, wireless controller (4) control is cut
Wave producer (1) and the work of several wave detectors (2) are cut, background server is tested, records and transfer data to, subsequently into
The S14 stage；
4) analyze the S14 stage of field test data result: in this stage, staff analyzes above-mentioned on background server
On-the-spot test as a result, the distance between upper ice sheet (5) and lower ice sheet (6) is calculated according to the time that shearing wave reaches, according to cutting
The waveform and phasometer for cutting wave calculate decaying of the shearing wave in transmittance process, finally calculate water content of soil and density becomes
Change, subsequently into the S15 stage；
5) form the S15 stage of research and application report: in this stage, staff compares the test number that Various Seasonal is collected into
According to formation annual analysis report, for evaluating Thick Underground Ice degenerate case.
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| CN107957593A (en) | 2018-04-24 |
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