CN109142058A - A kind of rock sample deformation measuring device and method - Google Patents
A kind of rock sample deformation measuring device and method Download PDFInfo
- Publication number
- CN109142058A CN109142058A CN201811065892.8A CN201811065892A CN109142058A CN 109142058 A CN109142058 A CN 109142058A CN 201811065892 A CN201811065892 A CN 201811065892A CN 109142058 A CN109142058 A CN 109142058A
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- displacement sensor
- rock sample
- lateral displacement
- mandril
- deformation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/025—Geometry of the test
- G01N2203/0252—Monoaxial, i.e. the forces being applied along a single axis of the specimen
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
Abstract
A kind of rock sample deformation measuring device and method, device includes pedestal body, guiding compression bar, spherical briquetting, longitudinal displacement sensor and lateral displacement sensor, longitudinal displacement sensor and lateral displacement sensor are each provided at outside pedestal body, rock sample is placed in inside pedestal body, and longitudinal displacement sensor obtains rock sample length travel data by measuring spherical briquetting length travel indirectly；Lateral displacement sensor obtains rock sample lateral displacement data by measuring transversely deforming converter lateral displacement indirectly.Method are as follows: rock sample deformation measuring device is integrally placed on pressure testing machine push-down head, strain gauge load cell is installed on seaming chuck, rock sample is placed in pedestal body, adjustment transversely deforming transducer position acts against it on rock sample, lateral displacement sensor and longitudinal displacement sensor are installed in place respectively, each sensor is accessed into data collector and computer, rock sample is carried out to be loaded onto destruction, draws stress-strain diagram.
Description
Technical field
The invention belongs to rock mechanics the field of test technology, more particularly to a kind of rock sample deformation measuring device and side
Method.
Background technique
Rock deformation test is the longitudinal and transverse direction strain value for measuring rock sample under the conditions of single compressing stress, accordingly
It calculates the elasticity modulus and Poisson's ratio of rock, single compressing stress is loaded to rock sample especially by pressure testing machine, together
When loading procedure in real-time measurement force value, longitudinal strain value and transverse strain value, force measurement rely on pressure testing machine output
Power is acquired by load sensor, and the measurement method of longitudinal strain value and transverse strain value is divided into two kinds, the first is benefit
It is measured with foil gauge, second is to be measured using displacement sensor, but above two measurement method remains at not
Foot place.
When being measured using foil gauge, existing shortcoming has the following:
1., foil gauge measurement deformation information mainly reflect be rock sample local deformation feature, reflection rock examination
The ability of sample overall deformation is poor, and since rock is there are inhomogeneities, the local deformation of rock sample cannot represent it and integrally become
Shape；
2., foil gauge measurement belong to disposable measuring cell, rock sample destruction after, foil gauge also destroys therewith, leads
Cause foil gauge that can not reuse；
3., during rock sample is loaded, in fact it could happen that rock sample surface first occurs to destroy and whole completely not broken
Bad situation can not carry out subsequent measurement to can lead to foil gauge premature breakdown because rock sample surface is first destroyed；
4., need to be fixed on rock sample surface by bonding method due to foil gauge, and glue material performance and behaviour
Make the difference of Personnel Skill Levels, also influences whether the accuracy of measurement data.
Therefore, when measuring longitudinal strain value and transverse strain value using foil gauge, it may be difficult to accurately measure rock
The whole English teaching of sample deformation.
When being measured using displacement sensor, existing measurement method are as follows: to the longitudinal deformation amount of rock sample into
When row measurement, directly displacement sensor is fixed on the upper push-down head of pressure testing machine by Magnetic gauge stand；To rock sample
Transversely deforming amount when measuring, displacement sensor is directly fixed to the seaming chuck of pressure testing machine by Magnetic gauge stand
On, and the measuring head of displacement sensor acts directly against rock sample surface, but there are in place of wretched insufficiency for above-mentioned measurement method:
1., for measured length travel, it comprises the deformation ingredients of pressure testing compressing head, will lead to measurement number
According to there are errors；
2., for measured transversely deforming, it comprises the deformation ingredients of pressure testing compressing head torsion, will lead to survey
Measuring data, there are errors；
3., for the rock sample of hard crisp class, when rock sample destroys, rock sample can generate explosive hold
It splits, and the rock fragment to splash after bursting easily damages displacement sensor.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of rock sample deformation measuring device and method, is based on
Displacement sensor measures the deformation of rock sample, can effectively reduce measurement error, becomes in the hard crisp rocks sample of measurement
When shape, it can effectively prevent the rock fragment damage that displacement sensor is burst splashing, guarantee the safety of displacement sensor, be displaced
Sensor can repeatedly use, and completion measurement task each time that can be precise and stable.
To achieve the goals above, the present invention adopts the following technical scheme: a kind of rock sample deformation measuring device, including
Pedestal body, guiding compression bar, spherical briquetting, longitudinal displacement sensor and lateral displacement sensor；The pedestal body is vertically arranged,
Compression bar pilot hole is offered at the top of pedestal body, the guiding compression bar is threaded onto vertically in compression bar pilot hole；In the pedestal body
Bottom be equipped with sample placing table, rock sample is placed in sample placing table upper surface, and the spherical shape briquetting is located at rock sample
Between guiding compression bar；Pedestal external surface in compression bar pilot hole side is provided with longitudinal displacement sensor bracket,
Longitudinal displacement sensor mounting hole is offered on longitudinal displacement sensor bracket, the longitudinal displacement sensor is threaded onto vertical vertically
Into displacement sensor mounting hole, and the measuring rod of longitudinal displacement sensor is downward, in longitudinal displacement sensor and length travel
Longitudinal displacement sensor positioning screw is installed between sensor stand；It is offered on the pedestal body of the spherical briquetting side
Relief hole is equipped with briquetting ennation on spherical briquetting, and briquetting ennation passes through relief hole and extends to outside pedestal body, described
The measuring rod top of longitudinal displacement sensor acts against briquetting ennation upper surface；Pedestal in the rock sample side is external
Surface is fixed with lateral displacement sensor stand, and lateral displacement sensor is offered on lateral displacement sensor stand and is installed
Hole, the lateral displacement sensor levels are threaded onto lateral displacement sensor mounting hole, and the measurement of lateral displacement sensor
It is fixed to be equipped with lateral displacement sensor towards rock sample between lateral displacement sensor and lateral displacement sensor stand for bar
Position screw；Cross measure hole is offered on pedestal body between the lateral displacement sensor and rock sample, in lateral survey
Transversely deforming converter is installed, the measuring rod top of the lateral displacement sensor acts against transversely deforming converter in metering-orifice
Outer end, transversely deforming converter inner end act against rock sample side surface.
The transversely deforming converter includes deformation conversion mandril, mandril outer tube, reset spring, interior positioning screw cap and outer
Positioning screw cap；Deformation conversion mandril one end is set as spherical centre, and the deformation conversion mandril other end is set as plane, deformation conversion
The spherical centre of mandril is abutted against with rock sample side surface and is contacted, and the measuring rod top of the lateral displacement sensor and deformation turn
The planar ends for changing mandril abut against contact；The mandril outer tube is sleeved on deformation conversion mandril, in mandril outer tube and deformation
It converts between mandril there are radial clearance, the reset spring is located in radial clearance；In the outer surface of the mandril outer tube
Equipped with external screw thread, the interior positioning screw cap and outer positioning screw cap are connected to the both ends of mandril outer tube by external screw thread.
A kind of rock sample deformation measurement method using the rock sample deformation measuring device, including walks as follows
It is rapid:
Step 1: rock sample deformation measuring device being integrally placed on the push-down head of pressure testing machine, is tried in pressure
It tests and strain gauge load cell is installed in a manner of centering on the seaming chuck of machine；
Step 2: rock sample is placed into the sample placing table upper surface of pedestal body bottom, adjustment transversely deforming conversion
Device position generates pressure to deformation conversion mandril by reset spring, tries the spherical centre of deformation conversion mandril and rock
Sample side surface, which abuts against, to contact；
Step 3: lateral displacement sensor is installed on lateral displacement sensor stand, makes lateral displacement sensor
The planar ends of measuring rod top and deformation conversion mandril, which abut against, to contact, and sets the precompressed displacement of lateral displacement sensor
After screw lateral displacement sensor positioning screw；
Step 4: longitudinal displacement sensor is installed on longitudinal displacement sensor bracket, longitudinal displacement sensor is made
Measuring rod top and the upper surface of briquetting ennation abut against and contact, after setting the precompressed displacement of longitudinal displacement sensor
Screw longitudinal displacement sensor positioning screw；
Step 5: by the letter of strain gauge load cell, lateral displacement sensor stand and longitudinal displacement sensor bracket
Number output end is sequentially ingressed into data collector and computer；
Step 6: starting pressure testing machine loads rock sample with displacement-control mode, until rock sample is broken
It is bad, the stress-strain diagram of rock sample destructive process is drawn by the test data of acquisition.
Beneficial effects of the present invention:
Rock sample deformation measuring device of the invention and method carry out the deformation of rock sample based on displacement sensor
Measurement, can effectively reduce measurement error, when measuring hard crisp rocks sample deformation, can effectively prevent displacement sensor and be fried
The rock fragment damage for splitting splashing, guarantees the safety of displacement sensor, displacement sensor can repeatedly use, and can be accurate
Stable completion measurement task each time.
Detailed description of the invention
Fig. 1 is a kind of structure schematic diagram of rock sample deformation measuring device of the invention；
Fig. 2 is the structural schematic diagram of transversely deforming converter of the invention；
Fig. 3 is the stress-strain curve diagram of rock sample destructive process in embodiment；
In figure, 1-pedestal body, 2-guiding compression bars, 3-spherical briquettings, 4-longitudinal displacement sensors, 5-lateral displacements
Sensor, 6-compression bar pilot holes, 7-sample placing tables, 8-rock samples, 9-longitudinal displacement sensor brackets, 10-is longitudinal
Displacement sensor mounting hole, 11-longitudinal displacement sensor positioning screws, 12-relief holes, 13-briquetting ennations, 14-is horizontal
To displacement sensor bracket, 15-lateral displacement sensor mounting holes, 16-lateral displacement sensor positioning screws, 17-laterally
Measured hole, 18-transversely deforming converters, 19-deformation conversion mandrils, 20-mandril outer tubes, 21-reset springs, 22-is interior
Positioning screw cap, 23-outer positioning screw caps, 24-spherical centres.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, 2, a kind of rock sample deformation measuring device, including pedestal body 1, guiding compression bar 2, spherical briquetting 3,
Longitudinal displacement sensor 4 and lateral displacement sensor 5；The pedestal body 1 is vertically arranged, and offers pressure at the top of pedestal body 1
Bar pilot hole 6, the guiding compression bar 2 are threaded onto vertically in compression bar pilot hole 6；It is contained in the bottom of the pedestal body 1 equipped with sample
Platform 7 is put, rock sample 8 is placed in 7 upper surface of sample placing table, and the spherical shape briquetting 3 is located at rock sample 8 and guiding compression bar 2
Between；1 outer surface of pedestal body of 6 side of compression bar pilot hole is provided with longitudinal displacement sensor bracket 9, in length travel
Longitudinal displacement sensor mounting hole 10 is offered on sensor stand 9, the longitudinal displacement sensor 4 is threaded onto longitudinal position vertically
In displacement sensor mounting hole 10, and the measuring rod of longitudinal displacement sensor 4 is downward, in longitudinal displacement sensor 4 and length travel
Longitudinal displacement sensor positioning screw 11 is installed between sensor stand 9；On the pedestal body 1 of 3 side of the spherical briquetting
Relief hole 12 is offered, briquetting ennation 13 is equipped on spherical briquetting 3, briquetting ennation 13 passes through relief hole 12 and extends to
Outside pedestal body 1, the measuring rod top of the longitudinal displacement sensor 4 acts against 13 upper surface of briquetting ennation；In the rock
1 outer surface of pedestal body of 8 side of stone sample is fixed with lateral displacement sensor stand 14, on lateral displacement sensor stand 14
Lateral displacement sensor mounting hole 15 is offered, 5 level of lateral displacement sensor is threaded onto lateral displacement sensor and installs
In hole 15, and the measuring rod of lateral displacement sensor 5 is sensed towards rock sample 8 in lateral displacement sensor 5 and lateral displacement
Lateral displacement sensor positioning screw 16 is installed between device bracket 14；The lateral displacement sensor 5 and rock sample 8 it
Between pedestal body 1 on offer cross measure hole 17, transversely deforming converter 18, the cross are installed in cross measure hole 17
18 outer end of transversely deforming converter is acted against to the measuring rod top of displacement sensor 5,18 inner end of transversely deforming converter abuts against
In 8 side surface of rock sample.
The transversely deforming converter 18 includes deformation conversion mandril 19, mandril outer tube 20, reset spring 21, interior positioning
Nut 22 and outer positioning screw cap 23；The deformation conversion 19 one end of mandril is set as spherical centre 24, and deformation conversion mandril 19 is another
End is set as plane, and the spherical centre 24 of deformation conversion mandril 19 is abutted against with 8 side surface of rock sample to be contacted, and the lateral displacement passes
The measuring rod top of sensor 5 abuts against with the planar ends of deformation conversion mandril 19 and contacts；The mandril outer tube 20 is sleeved on deformation
It converts on mandril 19, there are radial clearance, the reset springs 21 between mandril outer tube 20 and deformation conversion mandril 19
In in radial clearance；External screw thread, the interior positioning screw cap 22 and outer positioning spiral shell are equipped in the outer surface of the mandril outer tube 20
Cap 23 is connected to the both ends of mandril outer tube 20 by external screw thread.
In the present embodiment, longitudinal displacement sensor 4 and lateral displacement sensor 5 are respectively provided with two groups, and rock sample 8 is using circle
Cylindricality sample, the diameter of rock sample 8 are 50mm, and the height of rock sample 8 is 100mm.
A kind of rock sample deformation measurement method using the rock sample deformation measuring device, including walks as follows
It is rapid:
Step 1: rock sample deformation measuring device being integrally placed on the push-down head of pressure testing machine, is tried in pressure
It tests and strain gauge load cell is installed in a manner of centering on the seaming chuck of machine；
Rock sample 8: being placed into 7 upper surface of sample placing table of 1 bottom of pedestal body by step 2, and adjustment transversely deforming turns
18 position of parallel operation converts mandril 19 by 21 pairs of deformations of reset spring and generates pressure, makes the dome of deformation conversion mandril 19
Point 24 is abutted against with 8 side surface of rock sample to contact；
Step 3: lateral displacement sensor 5 is installed on lateral displacement sensor stand 14, makes lateral displacement sensor
The planar ends of 5 measuring rod top and deformation conversion mandril 19, which abut against, to contact, and sets the pre- of lateral displacement sensor 5
Lateral displacement sensor positioning screw 16 is screwed after pressure displacement；In the present embodiment, the range of lateral displacement sensor 5 is 5mm, in advance
The setting value of pressure displacement is 1mm；
Step 4: longitudinal displacement sensor 4 is installed on longitudinal displacement sensor bracket 9, makes longitudinal displacement sensor 4
Measuring rod top and the upper surface of briquetting ennation 13 abut against and contact, set the precompressed of longitudinal displacement sensor 4
Longitudinal displacement sensor positioning screw 11 is screwed after displacement；In the present embodiment, the range of longitudinal displacement sensor 4 is 10mm, in advance
The setting value of pressure displacement is 8mm；
Step 5: by strain gauge load cell, lateral displacement sensor stand 14 and longitudinal displacement sensor bracket 9
Signal output end is sequentially ingressed into data collector and computer；
Step 6: starting pressure testing machine loads rock sample 8 with displacement-control mode, until rock sample 8
It destroys, the stress-strain diagram of 8 destructive process of rock sample is drawn by the test data of acquisition.As shown in figure 3, being this implementation
The stress-strain curve diagram of 8 destructive process of rock sample in example.
It is carried out in loading procedure in rock sample 8, the length travel of rock sample 8 is embodied directly in the vertical of spherical briquetting 3
To displacement, the length travel value of briquetting ennation 13 can be directly measured by longitudinal displacement sensor 4, i.e., spherical briquetting 3
Length travel value, and then the indirect gain length travel data of rock sample 8.
It is carried out in loading procedure in rock sample 8, the transversely deforming of rock sample 8 is embodied directly in deformation conversion mandril 19
Lateral displacement, by lateral displacement sensor 5 can directly measure deformation conversion mandril 19 value of lateral displacement, and then indirectly
Connect the lateral displacement data for obtaining rock sample 8.
When rock sample 8 is loaded onto destruction, after the explosive cracking of rock sample 8, the rock fragment to splash will be complete
Portion is limited in inside pedestal body 1, and longitudinal displacement sensor 4 and lateral displacement sensor 5 are respectively positioned on outside pedestal body 1, because
This has prevented the occurrence of rock fragment to splash damage displacement sensor.
The scope of patent protection that scheme in embodiment is not intended to limit the invention, it is all without departing from carried out by the present invention etc.
Effect implements or change, is both contained in the scope of the patents of this case.
Claims (3)
1. a kind of rock sample deformation measuring device, it is characterised in that: including pedestal body, guiding compression bar, spherical briquetting, Zong Xiangwei
Displacement sensor and lateral displacement sensor；The pedestal body is vertically arranged, and compression bar pilot hole, institute are offered at the top of pedestal body
Guiding compression bar is stated to be threaded onto vertically in compression bar pilot hole；It is equipped with sample placing table in the bottom of the pedestal body, rock sample is put
It is placed in sample placing table upper surface, the spherical shape briquetting is located between rock sample and guiding compression bar；In the compression bar pilot hole
The pedestal external surface of side is provided with longitudinal displacement sensor bracket, and longitudinal position is offered on longitudinal displacement sensor bracket
Displacement sensor mounting hole, the longitudinal displacement sensor is threaded onto vertically in longitudinal displacement sensor mounting hole, and length travel
The measuring rod of sensor downward, is equipped with length travel sensing between longitudinal displacement sensor and longitudinal displacement sensor bracket
Device positioning screw；Relief hole is offered on the pedestal body of the spherical briquetting side, briquetting is equipped on spherical briquetting and is extended
Body, briquetting ennation pass through relief hole and extend to outside pedestal body, and the measuring rod top of the longitudinal displacement sensor abuts against
In briquetting ennation upper surface；Pedestal external surface in the rock sample side is fixed with lateral displacement sensor stand,
Lateral displacement sensor mounting hole is offered on lateral displacement sensor stand, the lateral displacement sensor levels are threaded onto
In lateral displacement sensor mounting hole, and the measuring rod of lateral displacement sensor is towards rock sample, in lateral displacement sensor
Lateral displacement sensor positioning screw is installed between lateral displacement sensor stand；In the lateral displacement sensor and rock
Cross measure hole is offered on pedestal body between stone sample, transversely deforming converter is installed in cross measure hole, it is described
The measuring rod top of lateral displacement sensor acts against transversely deforming converter outer end, and transversely deforming converter inner end acts against rock
Stone sample side surface.
2. a kind of rock sample deformation measuring device according to claim 1, it is characterised in that: the transversely deforming conversion
Device includes deformation conversion mandril, mandril outer tube, reset spring, interior positioning screw cap and outer positioning screw cap；Deformation conversion top
Bar one end is set as spherical centre, and the deformation conversion mandril other end is set as plane, and the spherical centre and rock of deformation conversion mandril try
Sample side surface abuts against contact, and the measuring rod top of the lateral displacement sensor and the planar ends of deformation conversion mandril are abutted against and connect
Touching；The mandril outer tube is sleeved on deformation conversion mandril, and there are circumferential directions between mandril outer tube and deformation conversion mandril
Gap, the reset spring are located in radial clearance；External screw thread, the interior positioning are equipped in the outer surface of the mandril outer tube
Nut and outer positioning screw cap are connected to the both ends of mandril outer tube by external screw thread.
3. a kind of rock sample deformation measurement method uses rock sample deformation measuring device described in claim 1, special
Sign is to include the following steps:
Step 1: rock sample deformation measuring device is integrally placed on the push-down head of pressure testing machine, in pressure testing machine
Seaming chuck on strain gauge load cell is installed in a manner of centering；
Rock sample: being placed into the sample placing table upper surface of pedestal body bottom by step 2, adjusts transversely deforming converter position
It sets, pressure is generated to deformation conversion mandril by reset spring, makes spherical centre and the rock sample side of deformation conversion mandril
Surface, which abuts against, to contact；
Step 3: lateral displacement sensor is installed on lateral displacement sensor stand, makes the measurement of lateral displacement sensor
The planar ends of bar top and deformation conversion mandril, which abut against, to contact, and sets the precompressed displacement back spin of lateral displacement sensor
Tight lateral displacement sensor positioning screw；
Step 4: longitudinal displacement sensor is installed on longitudinal displacement sensor bracket, makes the measurement of longitudinal displacement sensor
Bar top and the upper surface of briquetting ennation abut against and contact, and screw after setting the precompressed displacement of longitudinal displacement sensor
Longitudinal displacement sensor positioning screw；
Step 5: the signal of strain gauge load cell, lateral displacement sensor stand and longitudinal displacement sensor bracket is defeated
Outlet is sequentially ingressed into data collector and computer；
Step 6: starting pressure testing machine loads rock sample with displacement-control mode, until rock sample destroys,
The stress-strain diagram of rock sample destructive process is drawn by the test data of acquisition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811065892.8A CN109142058A (en) | 2018-09-13 | 2018-09-13 | A kind of rock sample deformation measuring device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811065892.8A CN109142058A (en) | 2018-09-13 | 2018-09-13 | A kind of rock sample deformation measuring device and method |
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| Publication Number | Publication Date |
|---|---|
| CN109142058A true CN109142058A (en) | 2019-01-04 |
Family
ID=64824987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811065892.8A Pending CN109142058A (en) | 2018-09-13 | 2018-09-13 | A kind of rock sample deformation measuring device and method |
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| CN (1) | CN109142058A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109520843A (en) * | 2019-01-17 | 2019-03-26 | 湖南科技大学 | A kind of device and application method measuring different depth rock crusher degree |
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| CN106969742A (en) * | 2017-04-06 | 2017-07-21 | 河海大学 | A kind of column rock-like materials lateral deformation measuring device and measuring method |
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| CN109520843A (en) * | 2019-01-17 | 2019-03-26 | 湖南科技大学 | A kind of device and application method measuring different depth rock crusher degree |
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Application publication date: 20190104 |
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| RJ01 | Rejection of invention patent application after publication |