CN105136347A - Visco-elastic strain field ground stress measurement device and measurement method - Google Patents

Visco-elastic strain field ground stress measurement device and measurement method Download PDF

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Publication number
CN105136347A
CN105136347A CN201510256914.9A CN201510256914A CN105136347A CN 105136347 A CN105136347 A CN 105136347A CN 201510256914 A CN201510256914 A CN 201510256914A CN 105136347 A CN105136347 A CN 105136347A
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China
Prior art keywords
rock
laser scanning
data
scanning
terrestrial stress
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CN201510256914.9A
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Chinese (zh)
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CN105136347B (en
Inventor
王京印
张玉
刘晓兰
贾江鸿
董广华
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China University of Petroleum East China
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China University of Petroleum East China
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Priority to CN201610569248.9A priority Critical patent/CN106017745B/en
Priority to CN201510256914.9A priority patent/CN105136347B/en
Priority to CN201610536404.1A priority patent/CN106197798B/en
Priority to CN201610559122.3A priority patent/CN106289585B/en
Priority to CN201610601260.3A priority patent/CN106289586A/en
Application filed by China University of Petroleum East China filed Critical China University of Petroleum East China
Priority to CN201610598866.6A priority patent/CN106092396B/en
Priority to CN201610600127.6A priority patent/CN106124097A/en
Publication of CN105136347A publication Critical patent/CN105136347A/en
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Publication of CN105136347B publication Critical patent/CN105136347B/en
Expired - Fee Related legal-status Critical Current
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/06—Measuring force or stress, in general by measuring the permanent deformation of gauges, e.g. of compressed bodies
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0047—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to residual stresses
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/11—Analysing solids by measuring attenuation of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
    • G01N2011/006—Determining flow properties indirectly by measuring other parameters of the system
    • G01N2011/0073—Determining flow properties indirectly by measuring other parameters of the system acoustic properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/023—Solids
    • G01N2291/0232—Glass, ceramics, concrete or stone
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02818—Density, viscosity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02827—Elastic parameters, strength or force

Abstract

The invention relates to a visco-elastic strain field ground stress measurement device and a measurement method. The measurement device comprises a rock core clamping system, a laser scanning system, a scanning multistage speed loading system, a data acquisition system and a computer post-processing system, wherein the laser scanning system is sleeved above the rock core clamping system to realize measurement on data of exterior rock deformation, the scanning multistage speed loading system is in combination with the laser scanning system to realize periodic detection on exterior rock acquisition data, and the data acquisition system is attached to the laser scanning system to realize measurement, acquisition and collection of the exterior rock deformation data and transmitting the data to the computer post-processing system for storage and processing. The measurement device can measure the field strain ground stress, operation is simple, the result is reliable, and the result can be visually displayed. The invention further discloses a method utilizing the measurement device for measurement. According to the device and the method, the measurement result can provide important test technology support for ground stress measurement.

Description

A kind of Visco elastic strain surveys proving installation and the measuring method of on-the-spot terrestrial stress
Technical field
The present invention relates to a kind of petroleum engineering technology, particularly a kind of Visco elastic strain surveys proving installation and the measuring method of on-the-spot terrestrial stress.
Background technology
The data about In-situ stress are more and more needed, the stable problem of well in such as drilling process in petroleum engineering; Formation fracture pressure prediction; Fracturing engineering designs; Formation fracture problem in high pressure water injection; The slip of tomography and the problem of resurrection; Casing pipe carries outward to calculate and resist and squeezes life-span computational problem etc.Existingly to ask in all methods in terrestrial stress size and direction, have certain limitation, therefore cut both ways, general direction and the size be difficult to obtain terrestrial stress exactly simultaneously.
Summary of the invention
Object of the present invention is exactly in view of the foregoing defects the prior art has, the proving installation providing a kind of Visco elastic strain to survey on-the-spot terrestrial stress and measuring method, is mainly used for measuring the horizontal stress state understanding underground point, comprises size and the direction of principle stress.
A kind of Visco elastic strain that the present invention mentions surveys the proving installation of on-the-spot terrestrial stress, comprise scanning multistage speed loading system (A), laser scanning system (B), rock core grasping system (C), data acquisition system (DAS) (D), Computer reprocessing system (E) and sound wave test macro (17), wherein the upper square set of rock core grasping system (C) has laser scanning system (B), realizes the DATA REASONING of rock appearance deformation; Scanning multistage speed loading system (A) combining laser scanning system (B), realizes measuring the periodicity of rock appearance image data; Sonic test system (17) depends on rock core and accommodates system (C), and is fixed on the centre position of sample; Data acquisition system (DAS) (D) depends on laser scanning system (B), and the collecting measurement data realizing the deformation of rock appearance gathers, and transfers to Computer reprocessing system (E) and stored; Calculated the deformation extent of rock in rock terrestrial stress process of the test by Computer reprocessing system (E), draw out the mutual relationship curve between rock deformation, time, viscoelasticity, and give visual display, calculate on-the-spot terrestrial stress.
Above-mentioned scanning multistage speed loading system (A) comprises outer casing upper cover (9), multistage speed adapter (6), transmission arm (5), wherein, outer casing upper cover (9) is fixed by side casings (2), multistage speed adapter (6) and transmission arm (5) are fixed on outer casing upper cover (9), and multistage speed adapter (6) is connected with Computer reprocessing system (E) by the controls transfer line (7) in data acquisition system (DAS) (D).
Above-mentioned laser scanning system (B) comprises laser rotary support (1), cylinder (13), annulus (14), the bottom of two laser rotary supports (1) is fixed on annulus (14) and cylinder (13), be fixed together with base by annulus (14) and cylinder (13), multiple airborne laser range finder (11) vertically equidistantly arranges, the top of described laser rotary support (1) is connected with transmission arm (5), for stabilized lasers scanning runing rest, and it is made to control to rotate by transmission arm (5); Airborne laser range finder (11) is connected with the data line (8) in data acquisition system (DAS) (D), the data of airborne laser range finder is transferred to Computer reprocessing system (E).
Above-mentioned rock core grasping system (C) comprises base (3), core holding unit (4) and axial strain proving installation (18), the upside of base (3) is provided with lug boss (16), in mating connection by longitudinal draw-in groove (10) and horizontal draw-in groove (15) and laser scanning runing rest (1), and core holding unit (4) is fixed on base (3); Axial strain lateral system (18) is positioned at trial lecture top, is mainly used in the change testing test specimen axial strain;
Above-mentioned sonic test system (17) comprises sonic probe and oscilloscope apparatus, and is connected with the rock core system of blessing, is fixed on the centre position of sample.
Above-mentioned data acquisition system (DAS) (D) comprises data line (8) and controls transfer line (7), and is connected respectively to Computer reprocessing system (E) by data line (8) and controls transfer line (7).
Above-mentioned longitudinal draw-in groove (10) is arranged in the susceptor surface in the outside of lug boss (16), horizontal draw-in groove (15) is arranged on the top of lug boss (16), coordinate fixing with cylinder (13) by longitudinal draw-in groove (10), coordinate with annulus (14) fixing by horizontal draw-in groove, thus laser scanning runing rest (1) and base (3) are fixed together.
Above-mentioned equidistant airborne laser range finder (11) is provided with five.
A kind of Visco elastic strain that the present invention mentions surveys the measuring method of the proving installation of on-the-spot terrestrial stress, comprises the following steps:
(1) cylindrical standard sample is positioned in rock core grasping system (C), lays, install experimental apparatus and the parameter scanning multistage speed loading system (A), data acquisition system (DAS) (D) and Computer reprocessing system (E) is arranged; The laser scanning system (B) that wherein on rock core grasping system (C) there be square set, realizes the DATA REASONING of rock appearance deformation; Scanning multistage speed loading system (A) combining laser scanning system (B), realizes measuring the periodicity of rock appearance image data; Data acquisition system (DAS) (D) depends on laser scanning system (B), and the collecting measurement data realizing the deformation of rock appearance gathers, and transfers to Computer reprocessing system (E) and stored; Calculated the deformation extent of rock in rock terrestrial stress process of the test by Computer reprocessing system (E), draw out the mutual relationship curve between rock deformation, time, viscoelasticity, and give visual display, calculate on-the-spot terrestrial stress;
(2) coordinate scanning multistage speed loading system (A) to rock core short time distortion measurement by laser scanning system (B), obtained the distortion of whole boring cross-sectional profiles by least square method numerical fitting, and go out minimum and maximum horizontal principal stress according to Elasticity formulae discovery.
The invention has the beneficial effects as follows: Visco elastic strain of the present invention surveys the test findings of the measurement mechanism of on-the-spot terrestrial stress can measure field strain terrestrial stress, simple to operate, reliable results, and can visual display result directly perceived; In addition, the measurement that test findings of the present invention can be terrestrial stress provides important experimental technique support.
Accompanying drawing explanation
Accompanying drawing 1 is one-piece construction schematic diagram of the present invention;
Accompanying drawing 2 is solution plane key diagrams of each parts of the present invention;
Accompanying drawing 3 is scanner runing rest modular construction schematic diagram of the present invention;
In upper figure: scanning multistage speed loading system A, laser scanning system B, rock core grasping system C, data acquisition system (DAS) D, Computer reprocessing system E; Laser scanning runing rest 1, side casings 2, base 3, core holding unit 4, transmission arm 5, multistage speed adapter 6, controls transfer line 7, data line 8, outer casing upper cover 9, scanning runing rest draw-in groove 10, airborne laser range finder 11, computing machine 12, cylinder 13, annulus 14, horizontal draw-in groove 15, lug boss 16, sonic test system 17, axial displacement meter 18.
Embodiment
With reference to accompanying drawing 1-3, a kind of Visco elastic strain that the present invention mentions surveys the proving installation of on-the-spot terrestrial stress, comprise scanning multistage speed loading system A, laser scanning system B, rock core grasping system C, data acquisition system (DAS) D, Computer reprocessing system E, wherein on rock core grasping system C, square set has laser scanning system B, realizes the DATA REASONING of rock appearance deformation; Scanning multistage speed loading system A combining laser scanning system B, realizes measuring the periodicity of rock appearance image data; Data acquisition system (DAS) D depends on laser scanning system B, and the collecting measurement data realizing the deformation of rock appearance gathers, and transfers to Computer reprocessing system E and stored; Calculated the deformation extent of rock in rock terrestrial stress process of the test by Computer reprocessing system E, draw out the mutual relationship curve between rock deformation, time, viscoelasticity, and give visual display, calculate on-the-spot terrestrial stress.
Wherein, scanning multistage speed loading system A comprises outer casing upper cover 9, multistage speed adapter 6, transmission arm 5, wherein, outer casing upper cover 9 is fixed by side casings 2, multistage speed adapter 6 and transmission arm 5 are fixed on outer casing upper cover 9, and multistage speed adapter 6 is connected with Computer reprocessing system E by the controls transfer line 7 in data acquisition system (DAS) D.
In addition, laser scanning system B comprises laser rotary support 1, cylinder 13, annulus 14, the bottom of two laser rotary supports 1 is fixed on annulus 14 and cylinder 13, be fixed together with base by annulus 14 and cylinder 13, multiple airborne laser range finder 11 vertically equidistantly arranges, the top of described laser rotary support 1 is connected with transmission arm 5, for stabilized lasers scanning runing rest, and makes it control to rotate by transmission arm 5; Airborne laser range finder 11 is connected with the data line 8 in data acquisition system (DAS) D, and the data of airborne laser range finder are transferred to Computer reprocessing system E.
In addition, rock core grasping system C comprises base 3, core holding unit 4, the upside of base 3 is provided with lug boss 16, by longitudinal draw-in groove 10 and horizontal draw-in groove 15 in mating connection with laser scanning runing rest 1, and core holding unit 4 is fixing on the base 3, described core holding unit 4 is near the position of core sample parcel elastic caoutchouc.
Data acquisition system (DAS) D comprises data line 8 and controls transfer line 7, and be connected respectively to Computer reprocessing system E by data line 8 and controls transfer line 7, the data of timing acquiring are stored, are shown by exchanges data mouth by computing machine, and the external deformation of rock in process of the test is calculated based on data processing visualization procedure, draw out the mutual relationship curve between rock deformation, time, stress and strain parameter, and give visual display.
With reference to accompanying drawing 2, longitudinal draw-in groove 10 is arranged in the susceptor surface in the outside of lug boss 16, horizontal draw-in groove 15 is arranged on the top of lug boss 16, coordinate fixing with cylinder 13 by longitudinal draw-in groove 10, coordinate with annulus 14 fixing by horizontal draw-in groove, thus laser scanning runing rest 1 and base 3 are fixed together; Above-mentioned equidistant airborne laser range finder 11 is provided with five airborne laser range finders 11.Wherein, two laser rotary supports, 1, one group of strain value gets the data of the two half period interscan; Strain value get 5 airborne laser range finders 11 and average, for guaranteeing sample measurement accuracy; Sample used is cylindrical sample, and diameter is 50mm, and height can be adjusted between 90-110mm, and sample loads in core sample grasping system C;
A kind of Visco elastic strain that the present invention mentions surveys the measuring method of the proving installation of on-the-spot terrestrial stress, comprises the following steps:
(1) cylindrical standard sample is positioned in rock core grasping system C, lays, install experimental apparatus and the parameter of scanning multistage speed loading system A, data acquisition system (DAS) D and Computer reprocessing system E is arranged; The laser scanning system B that wherein on rock core grasping system C there be square set, realizes the DATA REASONING of rock appearance deformation; Scanning multistage speed loading system A combining laser scanning system B, realizes measuring the periodicity of rock appearance image data; Data acquisition system (DAS) D depends on laser scanning system B, and the collecting measurement data realizing the deformation of rock appearance gathers, and transfers to Computer reprocessing system E and stored; Calculated the deformation extent of rock in rock terrestrial stress process of the test by Computer reprocessing system E, draw out the mutual relationship curve between rock deformation, time, viscoelasticity, and give visual display;
(2) coordinate scanning multistage speed loading system A to rock core short time distortion measurement by laser scanning system B, obtained the distortion of whole boring cross-sectional profiles by least square method numerical fitting;
(3) obtained the attenuation coefficient of amplitude time by sonic test system (in figure 17) test, and then utilize following formula to calculate rock coefficient of viscosity .
In formula for sonic wave amplitude attenuation coefficient in time, obtained by acoustical testing system; for frequency of sound wave; E is elastic modulus of rock; for rock coefficient of viscosity.
(4) utilize Kelvin's viscoelastic model to analyze the viscoelastic data recorded in step 1, and obtain concrete moduli by following formula.
(5) concrete moduli is utilized to calculate various places stress intensity and direction according to Hooke's law.

Claims (8)

1. a Visco elastic strain surveys the proving installation of on-the-spot terrestrial stress, it is characterized in that: comprise scanning multistage speed loading system (A), laser scanning system (B), rock core grasping system (C), data acquisition system (DAS) (D), Computer reprocessing system (E) and sound wave test macro (17), wherein the upper square set of rock core grasping system (C) has laser scanning system (B), realizes the DATA REASONING of rock appearance deformation; Scanning multistage speed loading system (A) combining laser scanning system (B), realizes measuring the periodicity of rock appearance image data; Sonic test system (17) depends on rock core and accommodates system (C), and is fixed on the centre position of sample; Data acquisition system (DAS) (D) depends on laser scanning system (B), and the collecting measurement data realizing the deformation of rock appearance gathers, and transfers to Computer reprocessing system (E) and stored; Calculated the deformation extent of rock in rock terrestrial stress process of the test by Computer reprocessing system (E), draw out the mutual relationship curve between rock deformation, time, viscoelasticity, and give visual display, calculate on-the-spot terrestrial stress.
2. Visco elastic strain according to claim 1 surveys the proving installation of on-the-spot terrestrial stress, it is characterized in that: described scanning multistage speed loading system (A) comprises outer casing upper cover (9), multistage speed adapter (6), transmission arm (5), wherein, outer casing upper cover (9) is fixed by side casings (2), multistage speed adapter (6) and transmission arm (5) are fixed on outer casing upper cover (9), and multistage speed adapter (6) is connected with Computer reprocessing system (E) by the controls transfer line (7) in data acquisition system (DAS) (D).
3. Visco elastic strain according to claim 1 surveys the proving installation of on-the-spot terrestrial stress, it is characterized in that: described laser scanning system (B) comprises laser rotary support (1), cylinder (13), annulus (14), the bottom of two laser rotary supports (1) is fixed on annulus (14) and cylinder (13), be fixed together with base by annulus (14) and cylinder (13), multiple airborne laser range finder (11) vertically equidistantly arranges, the top of described laser rotary support (1) is connected with transmission arm (5), for stabilized lasers scanning runing rest, and make it control to rotate by transmission arm (5), airborne laser range finder (11) is connected with the data line (8) in data acquisition system (DAS) (D), the data of airborne laser range finder is transferred to Computer reprocessing system (E).
4. Visco elastic strain according to claim 1 surveys the proving installation of on-the-spot terrestrial stress, it is characterized in that: described rock core grasping system (C) comprises base (3), core holding unit (4) and axial strain proving installation (18), the upside of base (3) is provided with lug boss (16), in mating connection by longitudinal draw-in groove (10) and horizontal draw-in groove (15) and laser scanning runing rest (1), and core holding unit (4) is fixed on base (3); Axial strain test macro (18) is positioned at test specimen top, is mainly used in the change testing test specimen axial strain.
5. Visco elastic strain according to claim 1 surveys the proving installation of on-the-spot terrestrial stress, it is characterized in that: described sonic test system (17) comprises sonic probe and oscilloscope apparatus, and is connected with the rock core system of blessing, is fixed on the centre position of sample.
6. Visco elastic strain according to claim 4 surveys the proving installation of on-the-spot terrestrial stress, it is characterized in that: described longitudinal draw-in groove (10) is arranged in the susceptor surface in the outside of lug boss (16), horizontal draw-in groove (15) is arranged on the top of lug boss (16), coordinate fixing with cylinder (13) by longitudinal draw-in groove (10), coordinate with annulus (14) fixing by horizontal draw-in groove, thus laser scanning runing rest (1) and base (3) are fixed together.
7. Visco elastic strain according to claim 3 surveys the proving installation of on-the-spot terrestrial stress, it is characterized in that: described equidistant airborne laser range finder (11) is provided with five.
8. adopt the Visco elastic strain according to any one of claim 1-7 to survey a measuring method for the proving installation of on-the-spot terrestrial stress, it is characterized in that comprising the following steps:
(1) cylindrical standard sample is positioned in rock core grasping system (C), lays, install experimental apparatus and the parameter scanning multistage speed loading system (A), data acquisition system (DAS) (D) and Computer reprocessing system (E) is arranged; The laser scanning system (B) that wherein on rock core grasping system (C) there be square set, realizes the DATA REASONING of rock appearance deformation; Scanning multistage speed loading system (A) combining laser scanning system (B), realizes measuring the periodicity of rock appearance image data; Data acquisition system (DAS) (D) depends on laser scanning system (B), and the collecting measurement data realizing the deformation of rock appearance gathers, and transfers to Computer reprocessing system (E) and stored; Calculated the deformation extent of rock in rock terrestrial stress process of the test by Computer reprocessing system (E), draw out the mutual relationship curve between rock deformation, time, viscoelasticity, and give visual display, calculate on-the-spot terrestrial stress;
(2) coordinate scanning multistage speed loading system (A) to rock core short time distortion measurement by laser scanning system (B), obtained the distortion of whole boring cross-sectional profiles by least square method numerical fitting, and go out minimum and maximum horizontal principal stress according to Elasticity formulae discovery.
CN201510256914.9A 2015-05-19 2015-05-19 A kind of Visco elastic strain surveys test device and the measuring method of on-the-spot crustal stress Expired - Fee Related CN105136347B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CN201510256914.9A CN105136347B (en) 2015-05-19 2015-05-19 A kind of Visco elastic strain surveys test device and the measuring method of on-the-spot crustal stress
CN201610536404.1A CN106197798B (en) 2015-05-19 2015-05-19 Visco elastic strain surveys the test device of live crustal stress
CN201610559122.3A CN106289585B (en) 2015-05-19 2015-05-19 A kind of measurement method of the test device of the live crustal stress of Visco elastic strain survey
CN201610601260.3A CN106289586A (en) 2015-05-19 2015-05-19 A kind of test device of the on-the-spot crustal stress of petroleum engineering
CN201610569248.9A CN106017745B (en) 2015-05-19 2015-05-19 A kind of test device of scene crustal stress
CN201610598866.6A CN106092396B (en) 2015-05-19 2015-05-19 A kind of test device of crustal stress
CN201610600127.6A CN106124097A (en) 2015-05-19 2015-05-19 A kind of test device of crustal stress

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CN201510256914.9A CN105136347B (en) 2015-05-19 2015-05-19 A kind of Visco elastic strain surveys test device and the measuring method of on-the-spot crustal stress

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CN201610598866.6A Division CN106092396B (en) 2015-05-19 2015-05-19 A kind of test device of crustal stress
CN201610536404.1A Division CN106197798B (en) 2015-05-19 2015-05-19 Visco elastic strain surveys the test device of live crustal stress
CN201610600127.6A Division CN106124097A (en) 2015-05-19 2015-05-19 A kind of test device of crustal stress
CN201610559122.3A Division CN106289585B (en) 2015-05-19 2015-05-19 A kind of measurement method of the test device of the live crustal stress of Visco elastic strain survey
CN201610569248.9A Division CN106017745B (en) 2015-05-19 2015-05-19 A kind of test device of scene crustal stress
CN201610601260.3A Division CN106289586A (en) 2015-05-19 2015-05-19 A kind of test device of the on-the-spot crustal stress of petroleum engineering

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CN201510256914.9A Expired - Fee Related CN105136347B (en) 2015-05-19 2015-05-19 A kind of Visco elastic strain surveys test device and the measuring method of on-the-spot crustal stress
CN201610536404.1A Expired - Fee Related CN106197798B (en) 2015-05-19 2015-05-19 Visco elastic strain surveys the test device of live crustal stress
CN201610601260.3A Pending CN106289586A (en) 2015-05-19 2015-05-19 A kind of test device of the on-the-spot crustal stress of petroleum engineering
CN201610598866.6A Active CN106092396B (en) 2015-05-19 2015-05-19 A kind of test device of crustal stress
CN201610559122.3A Expired - Fee Related CN106289585B (en) 2015-05-19 2015-05-19 A kind of measurement method of the test device of the live crustal stress of Visco elastic strain survey
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CN201610601260.3A Pending CN106289586A (en) 2015-05-19 2015-05-19 A kind of test device of the on-the-spot crustal stress of petroleum engineering
CN201610598866.6A Active CN106092396B (en) 2015-05-19 2015-05-19 A kind of test device of crustal stress
CN201610559122.3A Expired - Fee Related CN106289585B (en) 2015-05-19 2015-05-19 A kind of measurement method of the test device of the live crustal stress of Visco elastic strain survey
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Cited By (8)

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CN105784971A (en) * 2016-03-25 2016-07-20 大连理工大学 Experimental facility for utilizing anelastic strain recovery method for in situ analysis of aquo-complex settled layer stress state
CN106124290A (en) * 2016-06-01 2016-11-16 宋娟 A kind of rock mechanics parameters rectifies an instrument
CN107014704A (en) * 2017-05-15 2017-08-04 东北大学 A kind of short rock bar viscosity coefficient method of testing that analysis is propagated based on viscoelasticity ripple
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CN113959351A (en) * 2021-09-07 2022-01-21 北京建筑大学 Omnibearing dynamic deformation test monitoring device
CN113959351B (en) * 2021-09-07 2023-08-11 北京建筑大学 Omnibearing dynamic deformation test monitoring device
CN115077757A (en) * 2022-05-12 2022-09-20 三峡大学 Device and method for rapidly measuring ground stress on site
CN115541064A (en) * 2022-11-24 2022-12-30 云南省交通投资建设集团有限公司 Stress monitoring probe and method suitable for high-ground-stress tunnel chaplet surface

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