CN106989687A - Country rock method of testing and test system - Google Patents
Country rock method of testing and test system Download PDFInfo
- Publication number
- CN106989687A CN106989687A CN201710286464.7A CN201710286464A CN106989687A CN 106989687 A CN106989687 A CN 106989687A CN 201710286464 A CN201710286464 A CN 201710286464A CN 106989687 A CN106989687 A CN 106989687A
- Authority
- CN
- China
- Prior art keywords
- period
- data
- country rock
- measured
- strain
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/18—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge using photoelastic elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
- G01V3/26—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The present invention provides a kind of country rock method of testing and test system, wherein, the country rock method of testing includes：Strain data and electric field data of the country rock to be measured that acquisition data acquisition device is gathered at least one period；Wherein, the data acquisition device is placed in the drilling in the country rock to be measured；According to the strain data of each period, the displacement field data of each period is obtained；According to the electric field data of each period, the resistivity data of each period is obtained；According to the displacement field data of each period and the resistivity data of each period, deformation parameter of the country rock within each period is determined.The country rock method of testing that the present invention is provided, by using cooperatively for data acquisition device and data processing equipment, can accurately measure the deformation parameter of country rock, improve the measuring accuracy of surrouding rock deformation situation, and theoretical direction is provided for the potential safety hazard that eliminates seam mining.
Description
Technical field
The invention belongs to seam mining technical field, more particularly to a kind of country rock method of testing and test system.
Background technology
Country rock is the surrounding rock body of coal mining roadway working face.In the exploitation process of coal seam and after back production, Ileal neobladder
The stress state of country rock often change so that the country rock of Ileal neobladder deforms or destroyed generation crack, and then makes
Obtain stratum swelling and enter stope drift active workings, cause gushing water, directly threaten the safety of operating personnel.Therefore Ileal neobladder surrouding rock deformation with
Destruction situation is the problem of extremely concern in mine safety production.
Prior art can isolate the drilling in country rock by embolism the hole section of certain length, and press water to the hole section,
Deformation and the destruction situation of country rock are determined according to the relation of pressure and flow.But its can only to the deformation of the drilling in country rock with it is broken
Bad situation carries out qualitative test, it is impossible to deformation quantity and deformation range that accurate test country rock becomes.
The above method is only capable of measuring whether country rock produces deformation or produce crack, it is impossible to accurately reflect rock deformation quantity and
Deformation range so that seam mining has larger potential safety hazard.
The content of the invention
The present invention provides a kind of country rock method of testing and test system, passes through data acquisition device and data processing equipment
Use cooperatively, can accurately measure the deformation parameter of country rock, improve the measuring accuracy of surrouding rock deformation situation, eliminate seam mining
Potential safety hazard.
The present invention provides a kind of country rock method of testing, including：
Strain data and electric field data of the country rock to be measured that acquisition data acquisition device is gathered at least one period；Its
In, the data acquisition device is placed in the drilling in the country rock to be measured；
According to the strain data of each period, the displacement field data of each period is obtained；
According to the electric field data of each period, the resistivity data of each period is obtained；
According to the displacement field data of each period and the resistivity data of each period, determine that the country rock exists
Deformation parameter in each period.
Before the strain data of basis each period, the displacement field data for obtaining each period, methods described
Also include：
Obtain the temperature of the country rock to be measured that the data acquisition device gathered in each period；
According to the temperature of each period, the abnormal number that temperature is produced in the strain data of each period is determined
According to, and remove the abnormal data.
Further, the strain data of the basis each period, obtains the displacement field data of each period, bag
Include：
According to the strain data for removing each period after the abnormal data, the displacement of each period is obtained
Field data.
Further, the strain data of the basis each period, obtains the displacement field data of each period,
Including：
Processing is integrated to the strain data of each period, the distribution for obtaining the displacement field of each period is bent
Line chart；Wherein, the scatter chart of the displacement field includes being used to characterize the curve of the displacement field data of each period.
Further, the electric field data according to each period, obtains the resistivity data of each period,
Including：
Resistivity inversion operation is carried out to the electric field data of each period, the resistivity for obtaining each period is anti-
Drill figure；Wherein, the resistivity inversion figure includes being used to characterize the distribution of the resistivity data of each period.
The present invention provides a kind of country rock test system, including：
Data acquisition device and data processing equipment, the data acquisition device are connected with the data processing equipment；
The data acquisition device is used to gather strain data and electric field data of the country rock to be measured at least one period, and
The electric field data of the strain data of each period collected and each period is sent to the data processing equipment；Its
In, the data acquisition device is placed in the drilling in the country rock to be measured；
The data processing equipment, for the strain data according to each period and the electric field number of each period
According to determining the deformation parameter of the country rock to be measured；The data processing equipment is placed in outside the drilling of the country rock to be measured.
Further, the data acquisition device includes：Straining sensing optical cable, electrode and sleeve pipe, the strain sensing light
Cable and the electrode are fixed on the outside of described sleeve pipe, and described sleeve pipe is placed in the drilling of the country rock to be measured；
The straining sensing optical cable is used to gather strain data of the country rock to be measured in each period, and will collection
To the strain data of each period send to the data processing equipment；
The electrode is used to gather electric field data of the country rock to be measured in each period, and described in collecting
The electric field data of each period is sent to the data processing equipment.
Optionally, the data acquisition device also includes：Temperature-compensating optical cable, the temperature-compensating optical cable is fixed on described
The outside of sleeve pipe；
The temperature-compensating optical cable is used to gather temperature of the country rock to be measured in each period, and will collect
The temperature of each period is sent to the data processing equipment.
Optionally, the data processing equipment is used for the temperature according to each period, determines each period
The abnormal data that temperature is produced in strain data, and remove the abnormal data.
The present invention provides a kind of country rock method of testing and test system, wherein, the country rock method of testing includes：Obtain data
Strain data and electric field data of the country rock to be measured that harvester is gathered at least one period；Wherein, the data acquisition is filled
It is placed in the drilling in the country rock to be measured；According to the strain data of each period, the displacement field data of each period is obtained；
According to the electric field data of each period, the resistivity data of each period is obtained；According to the displacement number of fields of each period
According to the resistivity data with each period, deformation parameter of the country rock within each period is determined.The country rock method of testing,
By using cooperatively for data acquisition device and data processing equipment, the deformation parameter of country rock can be accurately measured, country rock is improved
The measuring accuracy of deformation, the potential safety hazard for elimination seam mining provides theoretical direction.
Brief description of the drawings
The structural representation for the country rock test system that Fig. 1 provides for the present invention；
The wall rock drill-hole structural representation that Fig. 2 provides for the present invention；
The flow chart for the country rock method of testing that Fig. 3 provides for the present invention；
The flow chart for another country rock method of testing that Fig. 4 provides for the present invention；
The scatter chart for the displacement field that Fig. 5 provides for the present invention；
The resistivity inversion figure that Fig. 6 provides for the present invention.
Description of reference numerals：
1- data acquisition devices；
2- data processing equipments；
3- temperature sensing optic cables；
4- electrodes；
5- electrode connections；
6- sleeve pipes；
7- top plate drillings；
8- bottom plates drill.
Embodiment
The present invention provides a kind of country rock test system, the structural representation for the country rock test system that Fig. 1 provides for the present invention.
Country rock test system as shown in Figure 1, including：Data acquisition device 1 and data processing equipment 2, data acquisition device 1 and data
Processing unit 2 is connected.
Data acquisition device 1 is used to gather strain data and electric field data of the country rock to be measured at least one period, and will
The strain data and the electric field data of each period of each period collected is sent to data processing equipment 2；Wherein, data are adopted
Acquisition means 1 are placed in the drilling in the country rock to be measured.
Data processing equipment 2, for the strain data according to each period and the electric field data of each period, it is determined that
The deformation parameter of the country rock to be measured；The data processing equipment is placed in outside the drilling of the country rock to be measured.
Specifically, the country rock to be measured may include：Country rock at the top of Ileal neobladder and the country rock positioned at Ileal neobladder bottom.Its
In, the country rock at the top of Ileal neobladder can be described as roof rock, and the country rock positioned at Ileal neobladder bottom can be described as floor rocks.This is treated
Survey country rock in drilling be the country rock to be measured in towards Ileal neobladder drilling.
The electric field data of each period can be earth electric field data.
The wall rock drill-hole structural representation that Fig. 2 provides for the present invention.As shown in Fig. 2 the drilling of the country rock to be measured may include：
Top plate drilling 7 and bottom plate drilling 8.Wherein, top plate drilling 7 can be the drilling being located in roof rock, and bottom plate drilling 8 can be
Drilling in floor rocks.
Wherein, the maximum of vertical range is the first preset value between top plate drilling 7 and Ileal neobladder.First preset value can
With the height more than or equal to leaking crevice belt.The leaking crevice belt can gather underground water or energy inside the roof rock
So that the passage that subsurface flow passes through.The top plate drilling passes through the leaking crevice belt, may be such that the data measured can be more accurate
Reflection country rock to be measured inside deformation and failure situation.
The maximum of vertical range is the second preset value between bottom plate drilling 8 and Ileal neobladder.Second preset value can be more than
Or equal to the depth of coal seam floor failure.The coal seam floor failure can be that the floor rocks continuity is destroyed, and transmissibility occurs
The rock stratum band substantially changed.The bottom plate drills through the coal seam floor failure, may be such that the data measured can more accurately reflect
Deformation and failure situation inside country rock to be measured.
The data acquisition device can use cement injection sealing of hole, injection hole sealing behaviour after inserting in the drilling of the country rock to be measured
It may be such that the data acquisition device is preferably coupled with surrounding rock body so that the data acquisition device is cooperateed with the country rock to be measured
Deformation, and then make it that measurement result is more accurate.
Specifically, in the exploitation process of coal seam and after back production, the country rock of Ileal neobladder can be deformed and destroyed, and be caused
Its internal structure changes, and the change of country rock internal structure to be measured can then change the conductive condition of country rock so that country rock electricity
Resistance rate changes, while also make it that rock stratum produces deformation and displacement inside country rock.And the electric field data of each period can be anti-
The change in resistance situation of country rock to be measured should be gone out, while the strain data of each period can reflect the deformation of country rock to be measured
Amount.Therefore, by detecting the electric field data and strain data of country rock to be measured, the deformation parameter of country rock to be measured can accurately be determined.
The country rock test system that the present invention is provided, including：Data acquisition device and data processing equipment, data acquisition dress
Put and be connected with the data processing equipment；The data acquisition device is used to gather strain data of the country rock to be measured at least one period
And electric field data, and the electric field data of the strain data of each period collected and each period is sent to the data
Manage device；Wherein, the data acquisition device is placed in the drilling in the country rock to be measured；The data processing equipment, should for basis
The strain data and the electric field data of each period of each period, determines the deformation parameter of the country rock to be measured；Wherein, the data
Processing unit is placed in outside the drilling of the country rock to be measured.The country rock test system that the present invention is provided, passes through data acquisition device sum
According to using cooperatively for processing unit, the deformation parameter of country rock can be accurately measured, the measuring accuracy of surrouding rock deformation situation is improved, and
The surrouding rock deformation of energy Accurate Prediction Ileal neobladder or destruction situation, the potential safety hazard for elimination seam mining provide theoretical direction.
Further, country rock test system as shown in Figure 1, data acquisition device 1 includes：Straining sensing optical cable 3, electrode
4 and sleeve pipe 6, straining sensing optical cable 3 and electrode 4 are fixed on the outside of sleeve pipe 6, and sleeve pipe 6 is placed in the drilling of the country rock to be measured.
Straining sensing optical cable 3 is used to gather the strain data of the country rock to be measured in each period, and should by what is collected
The strain data of each period is sent to data processing equipment 2.
Electrode 4 is used to gather the electric field data of the country rock to be measured in each period, and by each period collected
Electric field data send to data processing equipment 2.
Specifically, sleeve pipe 6 can be pvc pipe, the brill for straining sensing optical cable 3 and electrode 4 to be implanted into the country rock to be measured
Kong Zhong.
Straining sensing optical cable 3 may include：Multiple strain transducers, communications optical cable etc., multiple strain transducers are passed sequentially through
Communications optical cable is connected.The communications optical cable is also connected with data processing equipment 2, what the communications optical cable can collect strain transducer
Strain data is sent to data processing equipment 2.
Wherein, straining sensing optical cable 3 may include that steel twists formula straining sensing optical cable and fixed-point type straining sensing optical cable, and the steel is twisted
Strain transducer in formula straining sensing optical cable can use full distributed arrangement, and the steel twists formula straining sensing optical cable can be accurate
Really measure less deformation inside the country rock to be measured.And the strain transducer in the fixed-point type straining sensing optical cable can be using interval
The arrangement of distribution, its spacing can be 2 meters, the fixed-point type straining sensing optical cable can accurately measure inside the country rock to be measured compared with
Big deformation.The steel twists formula straining sensing optical cable and the fixed-point type straining sensing optical cable and used cooperatively, and can meet and this to be measured is enclosed
Measured while rock is deformed in various degree.
Straining sensing optical cable 3 can use Brillouin scattering optical time domain reflection monitoring technology (Brillouin Optical
Time-Domain Reflectometer, abbreviation BOTDR) gather the strain data of the country rock to be measured.Wherein, each period
Electric field data can be the country rock to be measured in sampled point each period strain data.
For example, straining sensing optical cable 3 can be incident from one end of optical fiber with default frequency by the pulsed light of detection, it is incident
Acoustical phonon interaction in pulsed light and optical fiber produces Brillouin scattering, and the Brillouin scattering is along optical fiber backtracking
To the incidence end of pulsed light, the Brillouin's back of the body astigmatism that can be obtained along the optical fiber is handled by a series of signal in the incidence end
Power.Afterwards, straining sensing optical cable 3 can also be continually changing the frequency of incident pulse light at regular intervals, it is possible to obtain optical fiber
Up-sample point Brillouin shift, then according to the Brillouin shift of sampled point, and Brillouin shift variable quantity and optical fiber
Linear relationship between strain, determines the strain data of the sampled point.
Electrode 4 can be multiple, and multiple electrodes 4 can be connected with electrode connection 5 respectively.The electrode connection 5 also with number
Connected according to processing unit 2, the electric field data that the electrode connection 5 can collect electrode 4 is sent to data processing equipment 2.Electricity
Pole 4 can gather electric field data of the country rock to be measured in each period using parallel electrical method measuring technology.
For example, electrode 4 keeps real-time contacts by electrode connection 5 and data processing equipment 2, and pass through electrode connection
5 in real time send the electric field data measured to data processing equipment 2.
In use, first carrying out punctuate to each strain transducer and electrode 4 before data acquisition device 1 to be inserted to drilling
Positioning, is easy to the later stage to determine to deform inside the country rock to be measured the particular location of destruction, then by the strain communications optical cable and
The electrode connection 5 is fixed on the outside of sleeve pipe 6, and sleeve pipe is sent into bore inner using the method for drilling implantation, to gather
The strain data of each period and the electric field data of each period, and data processing is carried out by data processing equipment 2.
Wherein, the data positioned according to the punctuate can determine the generation position of the failure and deformation of surrounding rocks to be measured in real time, strain
Sensing optic cable 3 can be real-time, is tested over long distances, can obtain strain data of the country rock to be measured in each period.And it is electric
Pole 4 is tested by electrical method, can measure the deformation of interior surrounding rock structure to be measured in a big way.That is, straining sensing optical cable 3
Can measure with the deformation and failure of the country rock to be measured, each period when straining sensing optical cable 3 deforms therewith should
Become data, and due to straining sensing optical cable 3 be wire be distributed, therefore the strain data of each period measured be only capable of react this treat
Survey deformation extent of the country rock on the straight line where the straining sensing optical cable 3；And the country rock to be measured that electrode 4 is measured is each at this
The electric field data of period can then reflect the scope of the deformation in surrounding rock destruction to be measured.
Thus, using cooperatively by straining sensing optical cable 3 and electrode 4, can measure the country rock to be measured in each period
Strain data and the electric field data of each period, and strain data according to each period and the electric field of each period
Data, can be achieved the destructiveness to the country rock to be measured and the accurate judgement of damage envelope.
The present embodiment provide data acquisition device, by setting straining sensing optical cable 3 and electrode 4, can accurately measure by
Caused by back production country rock strain and electric field change situation so that realize to the surrounding rock failure degree to be measured, damage envelope it is accurate
Judge, the potential safety hazard for elimination seam mining provides theoretical direction.
Optionally, data acquisition device 1 may also include：Temperature-compensating optical cable, temperature-compensating optical cable is fixed on the outer of sleeve pipe 6
Side.
Temperature-compensating optical cable is used to gather the temperature of the country rock to be measured in each period, and by collect this it is each when
The temperature of section is sent to data processing equipment 2.
Specifically, temperature-compensating optical cable may include：Multiple temperature sensors, communications optical cable etc., multiple temperature sensors according to
It is secondary to be connected by communications optical cable.The communications optical cable is also connected with data processing equipment 2, and the communications optical cable can adopt temperature sensor
The temperature collected is sent to data processing equipment 2.
Optionally, data processing equipment 2 is used for the temperature according to each period, determines the strain data of each period
The abnormal data that middle temperature is produced, and remove the abnormal data.
Due to the deformation failure inside country rock, and temperature may cause that straining sensing optical cable 3 collects this it is each when
The change of the strain data of section, and the data in the strain data of each period produced by temperature are actual for abnormal data.It is logical
Cross data processing equipment to be removed the abnormal data that temperature in the strain data of each period is produced, then according to removal
The strain data of each period after the abnormal data, obtains the displacement field data of each period.
Due in the test system, the temperature of each period can be gathered by temperature-compensating optical cable, then cause data
Processing unit determines the abnormal data that temperature is produced in the strain data of each period, and by the strain data of each period
The abnormal data that middle temperature is produced is removed, and realizes the registration to strain data, eliminates temperature interference influence so that test number
Improved according to accuracy.So that obtained displacement field data is more accurate, the measuring accuracy of surrouding rock deformation situation is improved.
Optionally, the present invention also provides a kind of country rock method of testing.Wherein, the country rock test side that Fig. 3 provides for the present invention
The flow chart of method, as shown in figure 3, this method may include：
Strain data and electric field number of the country rock to be measured that S301, acquisition data acquisition device are gathered at least one period
According to；Wherein, the data acquisition device is placed in the drilling in the country rock to be measured.
Specifically, the coupling of data acquisition device 1 is arranged in the drilling of the country rock to be measured, to the change inside the country rock to be measured
Shape destruction situation is monitored in real time, and obtains the strain data and electric field data of the country rock to be measured.Wherein, it can be passed by straining
Sensing optical cable 3 gathers the strain data of at least one period, and passes through the electric field data of at least one period of collection of electrode 4.
S302, the strain data according to each period, obtain the displacement field data of each period.
Specifically, the strain data for each period that can be collected by 2 pairs of data processing equipment is handled, with true
The displacement field data of the fixed country rock to be measured.
S303, the electric field data according to each period, obtain the resistivity data of each period；
Specifically, the electric field data for each period that can be collected by 2 pairs of data processing equipment is handled, with true
The resistivity data of the fixed country rock to be measured.
S304, according to the displacement field data of each period and the resistivity data of each period, determine that this to be measured encloses
Deformation parameter of the rock within each period.
Specifically, deformation parameter of the country rock to be measured within each period may include：The country rock to be measured is when this is each
Deformation quantity and deformation range in section, wherein, according to the displacement field data, it can accurately determine the deformation quantity of the country rock to be measured；Root
According to the resistivity data, the deformation range of the country rock to be measured can be accurately determined.
The country rock method of testing that the present embodiment is provided, by the integration test of the deformation failure situation to the country rock to be measured,
The strain data and electric field data of total space deformation of the drilling total length during working face extraction are obtained, two kinds of data are mutual
Supplement checking, more accurately reflects the surrouding rock deformation to be measured, the mechanism of destruction.
The country rock method of testing that the present invention is provided, including：The country rock to be measured that acquisition data acquisition device is gathered is at least
The strain data and electric field data of one period；Wherein, the data acquisition device is placed in the drilling in the country rock to be measured；According to
The strain data of each period, obtains the displacement field data of each period；According to the electric field data of each period, it is somebody's turn to do
The resistivity data of each period；According to the displacement field data of each period and the resistivity data of each period, it is determined that
Deformation parameter of the country rock within each period.The country rock method of testing that the present invention is provided, passes through data acquisition device sum
According to using cooperatively for processing unit, the deformation parameter of country rock can be accurately measured, the measuring accuracy of surrouding rock deformation situation is improved, is
The potential safety hazard for eliminating seam mining provides theoretical direction.
Optionally, on the basis of method as described above, the present invention also provides a kind of country rock method of testing.Fig. 4 is this
The flow chart of another country rock method of testing provided is provided.Optionally, as shown in figure 4, in S302 as described above basis
Before the strain data of each period, the displacement field data for obtaining each period, this method may also include：
S401, obtain the temperature of the country rock to be measured that the data acquisition device gathered in each period；
S402, the temperature according to each period, determine the abnormal number that temperature is produced in the strain data of each period
According to, and remove the abnormal data.
Specifically, because deformation or destruction inside country rock, and temperature may cause what straining sensing optical cable 3 was collected
The change of the strain data of each period, the temperature of each period is gathered by temperature-compensating optical cable, then causes data
Processing unit determines the abnormal data that temperature is produced in the strain data of each period, and by the strain data of each period
The abnormal data that middle temperature is produced is removed, and is realized the registration carried out to the test data of 3 pairs of strains of straining sensing optical cable, is disappeared
Except temperature interference influence so that the displacement field data of obtained each period is more accurate, improves the survey of surrouding rock deformation situation
Try precision.
Further, the position of each period is obtained according to the strain data of each period in S302 as described above
Move field data, it may include：
According to the strain data for removing each period after the abnormal data, the displacement number of fields of each period is obtained
According to.
The method for the removal abnormal data that the present embodiment is provided can be used for removing due to abnormal data caused by ambient influnence,
The measuring accuracy of surrouding rock deformation situation is improved, the potential safety hazard of seam mining is eliminated.
Further, each period is obtained according to the strain data of each period in step S302 as described above
Displacement field data may include：Processing is integrated to the strain data of each period, the displacement field of each period is obtained
Scatter chart；Wherein, the scatter chart of the displacement field includes being used to characterize the curve of the displacement field data of each period.
Specifically, forming similar stake formula structure after assuming bored grouting, pile body occurs bending and deformation with surrounding rock failure, its
In, it is assumed that pile body is not subjected to displacement at the drilling orifice position away from Ileal neobladder, in the drilling hole bottom position close to Ileal neobladder
Place is first deformed upon, and calculating is integrated to the strain data of above-mentioned each period can obtain the position in respective two-dimensional space
Move field situation of change.Bringing the strain data of each period into formula (1) can obtain drilling the shift value size of interior every bit.
ν (z) is each sampled point in drilling in the displacement field data of each period, ε in formula (1)m(z) to be every in drilling
Strain data of the individual sampled point in each period, y (z) is the distance between straining sensing optical cable 3 and stake neutral surface, and z is brill
Hole aperture to any point between drilling hole bottom distance.Wherein, the neutral surface can both no pulling force or not had in the hypothesis stake
The face of pressure.
Extract above-mentioned integration data and draw the distribution curve of displacement field.Top plate drilling and the bottom plate drilling that the present invention is provided
Strain data measuring method it is identical with integration processing method, wherein, by taking top plate drilling as an example, Fig. 5 is the position that provides of the present invention
Move the scatter chart of field.Displacement field scatter chart as shown in Figure 5, its abscissa and ordinate can be strain transducers
The elements of a fix, the scatter chart of the displacement field of top plate drilling includes being used to characterize the song of the displacement field data of each period
Line.According to the scatter chart of the displacement field, it may be determined that go out the height and caving zone height of leaking crevice belt.Wherein, this is caving
Band is the country rock internal sabotage to be measured and the rock stratum band being caving to stope drift active workings.As shown in figure 5, displacement field curve mutation is larger
Rock stratum band be the leaking crevice belt；The rock stratum band at the maximum and close drilling hole bottom of displacement field curve mutation is caving zone.
The variable quantity of strain data of each sampled point that the displacement field curve is mutated in larger rock stratum band in different periods be more than or
Equal to the first default variable quantity.The displacement field curve is mutated strain of each sampled point in maximum rock stratum band in different periods
The variable quantity of data is more than or equal to the second default variable quantity.The first default variable quantity is less than the second default variable quantity.
The height of the leaking crevice belt can be the H shown in Fig. 5LCaving zone height can be the H shown in Fig. 5K。
The strain data measured, can be respectively corresponding to the wall rock drill-hole to be measured by the integration processing method that the present embodiment is provided
The displacement of interior every bit, and the height value of leaking crevice belt and caving zone in country rock can be accurately determined, be conducive to surrounding rock failure
The fine grasp of situation, the potential safety hazard for elimination seam mining provides theoretical direction.
Further, in step S303 as described above, according to the electric field data of each period, obtain this it is each when
The resistivity data of section；It may also include：Resistivity inversion operation is carried out to the electric field data of each period, obtain this it is each when
The resistivity inversion figure of section；Wherein, the resistivity inversion figure includes being used to characterize the distribution of the resistivity data of each period
Scope.
Specifically, in this method, the resistivity inversion of a period can be obtained according to the electric field data of a period
Figure, the resistivity inversion figure of a period is included in the resistivity at least one interior sampled point of a period or position
Data.Thus the resistivity inversion figure of at least one period can be obtained according to the strain data of at least one period.At least one
The distribution of the resistivity data of same position or sampled point is different in the resistivity inversion figure of different periods in period.
For example, can be according to the electric field data of each period, the coordinate of each electrode points, using high density electricity in this method
Method instrument carries out resistivity inversion operation, then using Resistivity Tomographic Technology, obtains the resistivity inversion of a period
Figure.Wherein the high-density electric instrument can be produced by the AGI companies in the U.S..Pass through the resistivity inversion of a period
Figure, user, which can understand, know the resistivity distribution situation of diverse location or sampled point in each period, and according to it is multiple when
The resistivity inversion figure of section, user, which can understand, knows the resistivity distribution situation of same position or sampled point in different periods.
According to the resistivity inversion figure of the plurality of period, user can understand deformation and the destruction situation known inside the country rock to be measured.
The top plate drilling that the present invention is provided is identical with resistivity inversion methods with the bottom plate electric field measurement method drilled, to push up
Exemplified by twist drill hole, the resistivity inversion figure that Fig. 6 present invention are provided.Resistivity inversion figure as shown in Figure 6, its abscissa and vertical
Coordinate can be the elements of a fix of electrode 4, and Fig. 6 is the resistivity inversion figure of a period.According to the top plate drilling the plurality of
The resistivity inversion figure of period, can dynamically determine the change in resistance situation inside the country rock to be measured, and then can determine that and lead
Height and the caving zone height of water crack seamed belt.Wherein, crack is more in the country rock to be measured, and resistivity value is bigger.As shown in fig. 6,
The larger rock stratum band of resistivity value is the leaking crevice belt, and the rock stratum band at the maximum and close drilling hole bottom of resistivity value is to be caving
Band.Each sampled point in the larger rock stratum band of the resistivity value is more than or equal to first in the resistivity value of different periods to be preset
Value.Each sampled point in the maximum rock stratum band of the resistivity value is more than or equal to second in the resistivity value of different periods to be preset
Value.First preset value is less than second preset value.
The height of the leaking crevice belt can be the H shown in Fig. 6L, caving zone height can be the H shown in Fig. 6K。
The height of the leaking crevice belt is wherein can determine that according to the scatter chart of displacement field and resistivity inversion figure
HLWith caving zone height HK, finally integrate the height H that the two ways determines leaking crevice beltLWith caving zone height HK, and with
Numerical value the greater is end value.
The resistivity inversion methods that the present embodiment is provided, this continuously can be dynamically obtained according to the electric field data measured and to be measured is enclosed
Resistivity data inside rock, while the accurate judgement to caving zone and height of the water conductive fracture zone can be realized, is conducive to enclosing
Rock destroys the fine grasp of situation, and the potential safety hazard for elimination seam mining provides theoretical direction.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (9)
1. a kind of country rock method of testing, it is characterised in that including：
Strain data and electric field data of the country rock to be measured that acquisition data acquisition device is gathered at least one period；Wherein,
The data acquisition device is placed in the drilling in the country rock to be measured；
According to the strain data of each period, the displacement field data of each period is obtained；
According to the electric field data of each period, the resistivity data of each period is obtained；
According to the displacement field data of each period and the resistivity data of each period, determine the country rock described
Deformation parameter in each period.
2. according to the method described in claim 1, it is characterised in that the strain data of basis each period, obtain described
Before the displacement field data of each period, methods described also includes：
Obtain the temperature of the country rock to be measured that the data acquisition device gathered in each period；
According to the temperature of each period, the abnormal data that temperature is produced in the strain data of each period is determined, and
Remove the abnormal data.
3. method according to claim 2, it is characterised in that the strain data of basis each period, obtains described
The displacement field data of each period, including：
According to the strain data for removing each period after the abnormal data, the displacement number of fields of each period is obtained
According to.
4. the method according to any one of claim 1-3, it is characterised in that the strain of basis each period
Data, obtain the displacement field data of each period, including：
Processing is integrated to the strain data of each period, the distribution curve of the displacement field of each period is obtained
Figure；Wherein, the scatter chart of the displacement field includes being used to characterize the curve of the displacement field data of each period.
5. according to the method described in claim 1, it is characterised in that the electric field data according to each period, obtain
The resistivity data of each period, including：
Resistivity inversion operation is carried out to the electric field data of each period, the resistivity inversion of each period is obtained
Figure；Wherein, the resistivity inversion figure includes being used to characterize the distribution of the resistivity data of each period.
6. a kind of country rock test system, it is characterised in that including：
Data acquisition device and data processing equipment, the data acquisition device are connected with the data processing equipment；
The data acquisition device is used to gather strain data and electric field data of the country rock to be measured at least one period, and will adopt
The strain data of each period collected and the electric field data of each period are sent to the data processing equipment；Wherein,
The data acquisition device is placed in the drilling in the country rock to be measured；
The data processing equipment, for the strain data according to each period and the electric field data of each period,
Determine the deformation parameter of the country rock to be measured；Wherein, the data processing equipment is placed in outside the drilling of the country rock to be measured.
7. test system according to claim 6, it is characterised in that the data acquisition device includes：Strain sensing light
Cable, electrode and sleeve pipe, the straining sensing optical cable and the electrode are fixed on the outside of described sleeve pipe, and described sleeve pipe is placed in described treat
In the drilling for surveying country rock；
The straining sensing optical cable is used to gather strain data of the country rock to be measured in each period, and will collect
The strain data of each period is sent to the data processing equipment；
The electrode is used to gather electric field data of the country rock to be measured in each period, and described each by what is collected
The electric field data of period is sent to the data processing equipment.
8. test system according to claim 7, it is characterised in that the data acquisition device also includes：Temperature-compensating
Optical cable, the temperature-compensating optical cable is fixed on the outside of described sleeve pipe；
The temperature-compensating optical cable is used to gather temperature of the country rock to be measured in each period, and described in collecting
The temperature of each period is sent to the data processing equipment.
9. test system according to claim 8, it is characterised in that the data processing equipment is used for according to described each
The temperature of period, determines the abnormal data that temperature is produced in the strain data of each period, and remove the abnormal data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710286464.7A CN106989687A (en) | 2017-04-27 | 2017-04-27 | Country rock method of testing and test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710286464.7A CN106989687A (en) | 2017-04-27 | 2017-04-27 | Country rock method of testing and test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106989687A true CN106989687A (en) | 2017-07-28 |
Family
ID=59417378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710286464.7A Pending CN106989687A (en) | 2017-04-27 | 2017-04-27 | Country rock method of testing and test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106989687A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487635A (en) * | 2019-09-05 | 2019-11-22 | 安徽理工大学 | The fast testing system and method for core resistivity and velocity of wave under a kind of stress state |
| CN110487634A (en) * | 2019-09-05 | 2019-11-22 | 安徽理工大学 | The System and method for of core strain, resistivity DCO detailed checkout under a kind of stress state |
| CN110595905A (en) * | 2019-10-21 | 2019-12-20 | 安徽理工大学 | Portable rock core multi-parameter comprehensive testing device and testing method |
| CN111075487A (en) * | 2019-12-31 | 2020-04-28 | 西南石油大学 | Anchor rod with function of measuring surrounding rock strain and temperature coupling |
| CN111289576A (en) * | 2020-02-04 | 2020-06-16 | 中国矿业大学(北京) | Mining device, roof rock mass monitoring device and method |
| CN113008125A (en) * | 2021-02-25 | 2021-06-22 | 安徽省交通控股集团有限公司 | Tunnel surrounding rock internal deformation monitoring method |
| CN114137036A (en) * | 2021-11-29 | 2022-03-04 | 安徽理工大学 | Grouting range rapid detection method based on adjacent source potential resistivity |
| CN118392934A (en) * | 2024-04-25 | 2024-07-26 | 山东大学 | Quality monitoring method and system for mining reclamation soil |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1252519A (en) * | 1999-11-18 | 2000-05-10 | 中国核动力研究设计院 | Underwater displacement measuring method and equipment |
| CN201401174Y (en) * | 2009-03-17 | 2010-02-10 | 安徽理工大学 | System monitoring broken rock zone by high-density electrical resistivity |
| CN101581234B (en) * | 2009-06-29 | 2011-12-07 | 张平松 | Comprehensive underground test method for deformation and damage of terranes of mining top plate and mining bottom plate of coal bed |
| CN204630548U (en) * | 2015-03-17 | 2015-09-09 | 长沙美能电力设备股份有限公司 | A kind of Fiber Bragg Grating Displacement Sensor device |
| CN105806275A (en) * | 2016-03-10 | 2016-07-27 | 四川大学 | Different regions of surrounding rock continuous deformation real-time monitoring device and method |
| CN206037986U (en) * | 2016-08-26 | 2017-03-22 | 招商局重庆交通科研设计院有限公司 | Tunnel surrouding rock deformation monitoring and early warning system |
| CN106772678A (en) * | 2016-12-16 | 2017-05-31 | 安徽理工大学 | A kind of wellhole many reference amounts method for surveying of rock deformation destructive characteristics |
| CN206959797U (en) * | 2017-04-27 | 2018-02-02 | 安徽理工大学 | Country rock test system |
-
2017
- 2017-04-27 CN CN201710286464.7A patent/CN106989687A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1252519A (en) * | 1999-11-18 | 2000-05-10 | 中国核动力研究设计院 | Underwater displacement measuring method and equipment |
| CN201401174Y (en) * | 2009-03-17 | 2010-02-10 | 安徽理工大学 | System monitoring broken rock zone by high-density electrical resistivity |
| CN101581234B (en) * | 2009-06-29 | 2011-12-07 | 张平松 | Comprehensive underground test method for deformation and damage of terranes of mining top plate and mining bottom plate of coal bed |
| CN204630548U (en) * | 2015-03-17 | 2015-09-09 | 长沙美能电力设备股份有限公司 | A kind of Fiber Bragg Grating Displacement Sensor device |
| CN105806275A (en) * | 2016-03-10 | 2016-07-27 | 四川大学 | Different regions of surrounding rock continuous deformation real-time monitoring device and method |
| CN206037986U (en) * | 2016-08-26 | 2017-03-22 | 招商局重庆交通科研设计院有限公司 | Tunnel surrouding rock deformation monitoring and early warning system |
| CN106772678A (en) * | 2016-12-16 | 2017-05-31 | 安徽理工大学 | A kind of wellhole many reference amounts method for surveying of rock deformation destructive characteristics |
| CN206959797U (en) * | 2017-04-27 | 2018-02-02 | 安徽理工大学 | Country rock test system |
Non-Patent Citations (1)
| Title |
|---|
| 李清林等著: "《地电成像及其在地学领域中的应用研究》", 31 July 2010, 地震出版社 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487635A (en) * | 2019-09-05 | 2019-11-22 | 安徽理工大学 | The fast testing system and method for core resistivity and velocity of wave under a kind of stress state |
| CN110487634A (en) * | 2019-09-05 | 2019-11-22 | 安徽理工大学 | The System and method for of core strain, resistivity DCO detailed checkout under a kind of stress state |
| CN110487635B (en) * | 2019-09-05 | 2024-05-31 | 安徽理工大学 | Rapid testing system and method for core resistivity and wave velocity under loading state |
| CN110487634B (en) * | 2019-09-05 | 2024-05-31 | 安徽理工大学 | System and method for fine testing of rock core strain and resistivity under loading state |
| CN110595905A (en) * | 2019-10-21 | 2019-12-20 | 安徽理工大学 | Portable rock core multi-parameter comprehensive testing device and testing method |
| CN111075487A (en) * | 2019-12-31 | 2020-04-28 | 西南石油大学 | Anchor rod with function of measuring surrounding rock strain and temperature coupling |
| CN111075487B (en) * | 2019-12-31 | 2024-05-24 | 西南石油大学 | Anchor rod with function of measuring surrounding rock strain and temperature coupling |
| CN111289576A (en) * | 2020-02-04 | 2020-06-16 | 中国矿业大学(北京) | Mining device, roof rock mass monitoring device and method |
| CN113008125A (en) * | 2021-02-25 | 2021-06-22 | 安徽省交通控股集团有限公司 | Tunnel surrounding rock internal deformation monitoring method |
| CN114137036A (en) * | 2021-11-29 | 2022-03-04 | 安徽理工大学 | Grouting range rapid detection method based on adjacent source potential resistivity |
| CN114137036B (en) * | 2021-11-29 | 2024-03-29 | 安徽理工大学 | Grouting range rapid detection method based on adjacent source potential resistivity |
| CN118392934A (en) * | 2024-04-25 | 2024-07-26 | 山东大学 | Quality monitoring method and system for mining reclamation soil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106989687A (en) | Country rock method of testing and test system | |
| CN101581234B (en) | Comprehensive underground test method for deformation and damage of terranes of mining top plate and mining bottom plate of coal bed | |
| CN105604066B (en) | Application of the resistivity profiling in the detection of building foundation pit building enclosure percolating water | |
| CN104061902B (en) | Combined type underground deep disaster monitoring device | |
| CN105318824B (en) | A kind of method that wall rock loosening ring is measured based on distributed resistance foil gauge | |
| US5497091A (en) | Surface mounted pH sensor for cone penetration testing | |
| AU2014353871B2 (en) | Borehole logging methods and apparatus | |
| CN106772678A (en) | A kind of wellhole many reference amounts method for surveying of rock deformation destructive characteristics | |
| EA008080B1 (en) | System and method for installation and use of devices in microboreholes | |
| CN113484912A (en) | Shale oil gas optical fiber intelligent geophysical data acquisition system and acquisition method | |
| WO1996007111A9 (en) | SURFACE MOUNTED pH SENSOR FOR CONE PENETRATION TESTING | |
| Zhang et al. | A new monitoring-while-drilling method of large diameter drilling in underground coal mine and their application | |
| CN113074695A (en) | Tunnel stability interpretation method based on tunnel face three-dimensional deformation monitoring | |
| CN106706029A (en) | Underground structure construction-oriented soil performance monitoring device and working method thereof | |
| CN105759010A (en) | Mining influence tunnel dynamic monitoring and stability evaluation method | |
| CN103790582A (en) | Geostress measuring device and method | |
| CN206959797U (en) | Country rock test system | |
| CN113219551A (en) | Method for determining coal mine floor damage depth | |
| CN104931353B (en) | Coal column plastic zone method of testing and test device | |
| CN111077583B (en) | Structure activation double-parameter monitoring system and monitoring method | |
| Groccia et al. | Quantifying rock mass bulking at a deep underground nickel mine | |
| CN216767359U (en) | Fracturing monitoring experiment device | |
| CN118110511A (en) | Ultra-deep level Kong Yuanwei rock physical property multi-parameter measurement device and method | |
| US10815774B2 (en) | Coiled tubing telemetry system and method for production logging and profiling | |
| CN110056394A (en) | Tunnel construction safety monitoring device and control system thereof |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170728 |
|
| RJ01 | Rejection of invention patent application after publication |