CN107193039A - A kind of mechanical microquake sources and monitoring system and application method - Google Patents
A kind of mechanical microquake sources and monitoring system and application method Download PDFInfo
- Publication number
- CN107193039A CN107193039A CN201710443814.6A CN201710443814A CN107193039A CN 107193039 A CN107193039 A CN 107193039A CN 201710443814 A CN201710443814 A CN 201710443814A CN 107193039 A CN107193039 A CN 107193039A
- Authority
- CN
- China
- Prior art keywords
- mechanical
- microquake sources
- microseismic
- cylinder
- microquake
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
- G01V1/133—Generating seismic energy using fluidic driving means, e.g. highly pressurised fluids; using implosion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a kind of mechanical microquake sources and monitoring system and application method, the microquake sources include driving power, pressure accumulation cavity, safety valve, penetrate can head;It is characterized in that:The gas outlet of the pressure accumulation cavity is connected with safety valve in turn, penetrates energy head;It is provided with pressure accumulation cavity in air inlet, air inlet and is provided with check valve;The size of pressure in the driving dynamic Control pressure accumulation cavity.Microseismic monitoring system includes microquake sources, envelope eapsulotomy box, microseismic signals monitoring device, control computer, microseismic sensors, it is characterised in that:The electronic switch of microquake sources is electrically connected with control computer;One end of microseismic signals monitoring device is electrically connected with control computer, and the other end is electrically connected with envelope eapsulotomy box, microseismic sensors successively.The present invention is simple in construction, easy to operate, and energy release size, direction are controllable, can networking;Focus frequency is low, and cost is low, and using safety, hardware device support is provided for micro seismic monitoring.
Description
Technical field
The present invention relates to a kind of mechanical microquake sources and monitoring system and application method, belong to rock mass On Microseismic Monitoring Technique neck
Domain.
Technical background
With gradually reducing for superficial part resource, substantial amounts of mine is developed to underground deep.In tunnel and adit digging process
In, disturbance is caused to deep high-ground stress, crustal stress collection is brought it about and neutralizes redistribution, cause originally stable country rock to be in
Unstable state.In rock mass inelastic deformation (Crack Extension, Rock Mass unstability etc.) occurs for the elastic potential energy gathered in rock mass
During in the form of seismic wave progressively or suddenly release, so as to produce a series of microseismic event.The unexpected nothing of elastic potential energy
Sequence release often induces the generation of the disaster such as fault slip or rock burst, seriously constrains the normal production operation in mine.Using
Microseismic event when On Microseismic Monitoring Technique in rock mass to rupturing is monitored and analyzed and processed obtained data, it may be determined that
Hypocentral location, earthquake magnitude size and exergonic information that microseismic event occurs.Therefore, microseism is built in deep mining mine
Monitoring system is imperative.
Traditional micro seismic monitoring process is all to be monitored with explosion as focus, in order to analyze bursting work to mine lane
The influence in road and chamber stability, the region of monitoring is more close to explosion place, mixes substantial amounts of explosion in the data monitored
Event, and can be most of to be required for entering by people with automatic accurate identification explosion events and microseismic event there is presently no method
Row pickup by hand, the process will not only expend substantial amounts of manpower and materials and financial resources, and need to take a long time.It is main
, the precision manually picked up is not high, and this during instructing mining production the drawbacks of having very big.
Therefore, research and development one kind can Fast Installation and easy to use, the controllable active of microseism focus can be reflected well again
Focus is necessary.
The content of the invention
First technical problem to be solved by this invention be to provide one kind can Fast Installation and easy to use, again can be very
Reflect the mechanical controllable active focus of microseism seismic source information well.
The installation that second technical problem to be solved by this invention is to provide above-mentioned mechanical controllable active focus makes
Use method.
In order to solve first above-mentioned technical problem, a kind of mechanical microquake sources that the present invention is provided, the microquake sources
Including driving power, pressure accumulation cavity, safety valve, penetrate can head;
The gas outlet of the pressure accumulation cavity is connected with safety valve in turn, penetrates energy head;Air inlet is provided with pressure accumulation cavity, is entered
Check valve is provided with gas port;The size of pressure in the driving dynamic Control pressure accumulation cavity.
A kind of mechanical microquake sources of the present invention, the driving power includes motor (2), flywheel (3), bent axle (4);It is described
Pressure accumulation cavity includes piston (8), cylinder (9);The motor (2) electrically connects with electronic switch (1), passes through electronic switch (1)
The break-make of motor (2) power supply is controlled, the output driving flywheel (3) of motor (2), one end of flywheel (3) and bent axle (4) connects
Connect;The other end of bent axle (4) is connected with the connecting rod (6) on piston (8), and driving piston (8) is back and forth transported in cylinder (9)
It is dynamic;On cylinder (9), gas outlet and air inlet are additionally provided with;The gas outlet is connected with safety valve in turn, penetrates energy head;It is described enter
Gas port is provided with inlet valve (10);The safety valve is fall lift type spring safety valve (11).
A kind of mechanical microquake sources of the present invention, the driving power is consistent with the quantity of pressure accumulation cavity.
A kind of mechanical microquake sources of the present invention, the electronic switch (1) is one.
A kind of mechanical microquake sources of the present invention, multigroup driving power is electrically connected with same electronic switch (1), and networking is realized
Many focus are triggered simultaneously.
A kind of mechanical microquake sources of the present invention, provided with 2-5 inlet valve (10) on cylinder (9).
A kind of mechanical microquake sources of the present invention, the nominal pressure of fall lift type spring safety valve (11) is tested according to micro seismic monitoring
The vibration energy size of design is determined.
A kind of mechanical microquake sources of the present invention, the safety valve being sequentially connected with cylinder (9) gas outlet, penetrate can head pass through screw thread
Connection is screwed, junction is provided with sealing gasket, prevents gas leakage, it is ensured that focus effect;The inlet valve being connected with cylinder (9) air inlet
(10) connected by threaded engagement, junction is provided with sealing gasket.
A kind of Microseismic monitoring system for including mechanical microquake sources of the present invention, including microquake sources, it is envelope eapsulotomy box (5), micro-
Shake signal monitoring device (7), control computer (12), microseismic sensors (14), it is characterised in that:The electronic switch (1) of microquake sources
Electrically connected with control computer (12);One end of microseismic signals monitoring device (7) is electrically connected with control computer (12), and the other end is successively
Electrically connected with envelope eapsulotomy box (5), microseismic sensors (14), the microseismic sensors (14) are arranged on penetrating in microquake sources can head
Periphery, with penetrate can head apart from 0.5-500 meters.
A kind of application method of the Microseismic monitoring system comprising mechanical microquake sources of the present invention, comprises the steps:
The first step:A part is connected by the Microseismic monitoring system structure composition comprising mechanical microquake sources;
Second step:Required according to micro seismic monitoring experimental design, it is determined that the number and microseismic sensors number of mechanical microquake sources
Mesh, is placed in place to be measured, and is connected with envelope eapsulotomy box and Microseismic monitoring system, opens Microseismic monitoring system and is adopted into data
Collection state;
3rd step:The number of the mechanical microquake sources determined according to second step, in place to be measured drilling, drilling hole amount and machine
Tool decline focus number it is consistent, after borehole cleaning, the Microseismic monitoring system that the first step is obtained controls computer (12) to be placed in ground,
In remainder load hole;
3rd step:Operational control computer (12), triggering electronic switch (1) makes motor (2) be powered and started running, drives
Flywheel (3), bent axle (4), connecting rod (6) motion, driving piston (8) are moved in the cylinder (9), make pressure in cylinder (9) drastically
Increase, when cylinder (9) interior pressure reaches the critical pressure of fall lift type spring safety valve (11), safety valve is automatically opened up, high pressure
Air-flow is sprayed from energy head (13) is penetrated, and impact is produced to measuring point, forms a controllable active focus;
4th step:Microseismic signals monitoring device (7) gathers signal and is stored in control computer (12);Signal acquisition is completed
Afterwards, take out the debris between the Microseismic monitoring system in hole, cleaning all parts, after the completion of cleaning, by it is described it is mechanical can
Control active focus and other all test apparatuses are taken back.
In the mechanical controllable active microquake sources that the present invention is provided, described all parts, which can be repeated several times, to be used.
The operation principle of the present invention is briefly described as below:Under microquake sources original state, described piston (8) is in described cylinder
(9) low order end.Described electronic switch (1) and control computer (12) connection, described in being triggered by described control computer
Electronic switch after, connecting described motor (2) makes it be powered, and drives described flywheel (3) rotation, and then by described
Bent axle (4) and connecting rod (6) drive described piston (8) to be moved.It is described after described flywheel (3) rotates a circle
Electronic switch disconnects, and system cut-off is shut down.The process can be divided into two stages, and the first stage is expiratory phase, the rank
Piston (8) described in section is slided from low order end to left end, and now described inlet valve (10) is opened, and extraneous air enters institute
The cylinder (9) stated.When high order end of the described piston movement to the cylinder, described inlet valve is closed, into second-order
Section.The stage is the pressure accumulation stage, and described piston (8) is moved right from described cylinder (9) left end, makes described cylinder (9)
Interior air is gradually in compressive state, and pressure increased dramatically.When described cylinder (9) interior pressure reaches described complete opening type spring
During the critical pressure of safety valve (11), safety valve is opened, and high pressure draught is sprayed from described energy head (13) of penetrating, and punching is produced to measuring point
Hit, form a controllable active focus.
Mechanical controllable active microquake sources of the present invention, can pass through motor (2) flywheel driven (3), bent axle (4)
With connecting rod (6), promote piston (8) to be moved back and forth in cylinder (9), the air for sucking cylinder (9) is compressed, makes gas
Cylinder (9) interior pressure increased dramatically.When cylinder (9) interior pressure increases to the critical pressure of fall lift type spring safety valve (11), gas
The energy of accumulation washes fall lift type spring safety valve (11) open in moment in cylinder (9), is discharged by penetrating energy head (13), to region to be measured
Impact is produced, controllable active focus is formed.
, will not without stopping production using the mechanical controllable active microquake sources and its application method of above-mentioned technical proposal
Normal production process is influenceed, pollution-free, no danger, each equal reusable edible of part, networking can realize that many focus are triggered simultaneously,
It is a kind of safe, economic, efficient method to be nearly free from counter productive.
To sum up tell, the present invention be one kind can Fast Installation and easy to use, microseism focus can be reflected well again
Controllable active focus.
The advantage of the present invention
According in the above, mechanical controllable active focus of the invention and its advantage of application method are mainly reflected in
The following aspects:
1st, it is physical process that energy process is penetrated in whole air-breathing and compression, and no-spark does not produce pernicious gas, do not set off an explosion,
Dust is few, no slungshot, economic and environment-friendly;
2nd, destructive seismic wave is not produced, and the influence to surrounding environment is small;
3rd, whole processing procedure is simple, can be achieved to work continuously;
4th, the storages of equipment components, transport, using and removal process it is safe;
5th, energy release it is controllable, penetrate can direction it is controllable, i.e. focus orientation is controllable, and networking can realize that many focus are triggered simultaneously;
6th, compared with explosion focus, focus frequency of the present invention is low, the real microseismic signals closer in rock;
7th, all parts are reusable in the present invention, greatly reduce cost, quick using process safety, are microseism
Monitoring provides hardware device support.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the use arrangement schematic diagram of the present invention.
Embodiment
Embodiment 1
A kind of mechanical microquake sources, the microquake sources include driving power, pressure accumulation cavity, safety valve, penetrate can head;It is described to drive
Dynamic power includes motor (2), flywheel (3), bent axle (4);The pressure accumulation cavity includes piston (8), cylinder (9);It is described electronic
Machine (2) is electrically connected with electronic switch (1), by electronic switch (1) control motor (2) power supply break-make, motor (2) it is defeated
Go out to drive flywheel (3), flywheel (3) is connected with one end of bent axle (4);The other end of bent axle (4) and the connecting rod on piston (8)
(6) it is connected, driving piston (8) is moved back and forth in cylinder (9);On cylinder (9), gas outlet 1, air inlet 2 are additionally provided with;
The gas outlet is connected with safety valve (11) in turn, penetrates energy head (13);Inlet valve (10) is respectively equipped with 2 air inlets;
The safety valve is fall lift type spring safety valve (11);
The safety valve (11) that is sequentially connected with cylinder (9) gas outlet, penetrate can head (13) pass through threaded engagement connection, junction
Provided with sealing gasket, gas leakage is prevented, it is ensured that focus effect;The inlet valve (10) being connected with cylinder (9) air inlet is by threaded engagement
Even, junction is provided with sealing gasket.
Embodiment 2
A kind of mechanical microquake sources, the difference with embodiment 1 is:
One electronic switch (1) with 3 driving power while be connected, networking realizes that many focus are triggered simultaneously;Drive power
It is consistent with the quantity of pressure accumulation cavity.
Embodiment 3
A kind of Microseismic monitoring system for including mechanical microquake sources, including microquake sources, envelope eapsulotomy box (5), microseismic signals
Monitoring device (7), control computer (12), microseismic sensors (14), it is characterised in that:The electronic switch (1) of microquake sources and control
Computer (12) is electrically connected;One end of microseismic signals monitoring device (7) with control computer (12) electrically connect, the other end successively with signal
Fidelity box (5), microseismic sensors (14) electrical connection, the microseismic sensors (14) are arranged in microquake sources and penetrate energy head periphery,
50 meters of the average distance with penetrating energy head.
Embodiment 4
A kind of Microseismic monitoring system for including mechanical microquake sources, the difference with embodiment 3 is:
One electronic switch (1) one end is electrically connected with control computer (12), and the other end is connected with 5 driving power simultaneously,
Networking realizes that many focus are triggered simultaneously;Drive power consistent with the quantity of pressure accumulation cavity;Microseismic sensors (14) are with penetrating energy head
Distance is at 1-250 meters.
Embodiment 5
A kind of application method of the Microseismic monitoring system comprising mechanical microquake sources, comprises the steps:
The first step:Connect Microseismic monitoring system;
Second step:Required according to micro seismic monitoring experimental design, it is determined that the number and microseismic sensors number of mechanical microquake sources
Mesh is 3, is placed in place to be measured, and is connected with envelope eapsulotomy box and Microseismic monitoring system, opens Microseismic monitoring system and enters
Enter data acquisition state;
3rd step:After boring 3 holes, borehole cleaning in place to be measured, the Microseismic monitoring system that the first step is obtained controls computer
(12) ground is placed in, remainder is respectively charged into 3 holes;
3rd step:Operational control computer (12), triggering electronic switch (1) makes 3 motor (2) be powered and starts fortune respectively
Turn, flywheel driven (3), bent axle (4), connecting rod (6) motion, driving piston (8) are moved in cylinder (9), make the pressure in cylinder (9)
Power be increased dramatically, and when cylinder (9) interior pressure reaches the critical pressure of fall lift type spring safety valve (11), safety valve is beaten automatically
Open, high pressure draught is sprayed from energy head (13) is penetrated, and impact is produced to measuring point, forms 3 controllable active focus;
4th step:Microseismic signals monitoring device (7) gathers signal and is stored in control computer (12);Signal acquisition is completed
Afterwards, take out the debris between the Microseismic monitoring system in hole, cleaning all parts, after the completion of cleaning, by it is described it is mechanical can
Control active microquake sources and other all test apparatuses are taken back.
Claims (10)
1. a kind of mechanical microquake sources, the microquake sources include driving power, pressure accumulation cavity, safety valve, penetrate can head;Its feature exists
In:The gas outlet of the pressure accumulation cavity is connected with safety valve in turn, penetrates energy head;Air inlet, air inlet are provided with pressure accumulation cavity
In be provided with check valve;The size of pressure in the driving dynamic Control pressure accumulation cavity.
2. mechanical microquake sources according to claim 1, it is characterised in that:It is described driving power include motor, flywheel,
Bent axle;The pressure accumulation cavity includes piston, cylinder;The motor is electrically connected with electronic switch, and electricity is controlled by electronic switch
One end connection of the break-make of motivation power supply, the output driving flywheel of motor, flywheel and bent axle;The other end of bent axle is lived with being located at
Connecting rod beyond the Great Wall is connected, and driving piston is moved back and forth in the cylinder;On cylinder, gas outlet and air inlet are additionally provided with;It is described go out
Gas port is connected with safety valve in turn, penetrates energy head;The air inlet is provided with inlet valve;The safety valve is complete opening type spring safety
Valve.
3. mechanical microquake sources according to claim 2, it is characterised in that:The quantity of the driving power and pressure accumulation cavity
Unanimously.
4. mechanical microquake sources according to claim 3, it is characterised in that:The electronic switch is one.
5. mechanical microquake sources according to claim 4, it is characterised in that:Multigroup driving power and same electronic switch
Electrical connection, networking realizes that many focus are triggered simultaneously.
6. mechanical microquake sources according to claim 2, it is characterised in that:Provided with 2-5 inlet valve on cylinder.
7. mechanical microquake sources according to claim 2, it is characterised in that:The nominal pressure root of fall lift type spring safety valve
Determined according to the vibration energy size of micro seismic monitoring experimental design.
8. mechanical microquake sources according to claim 2, it is characterised in that:The safety being sequentially connected with cylinder gas outlet
Valve, penetrate can head by threaded engagement connection, junction is provided with sealing gasket, prevents gas leakage, it is ensured that focus effect;With cylinder air inlet
The inlet valve of connection is connected by threaded engagement, and junction is provided with sealing gasket.
9. a kind of Microseismic monitoring system for including mechanical microquake sources, including microquake sources, envelope eapsulotomy box, microseismic signals monitoring dress
Put, control computer, microseismic sensors, it is characterised in that:The electronic switch of microquake sources is electrically connected with control computer;Microseismic signals are supervised
The one end for surveying device is electrically connected with control computer, and the other end is electrically connected with envelope eapsulotomy box, microseismic sensors successively, the microseism
Sensor be arranged in microquake sources penetrate can head periphery, with penetrate can head apart from 0.5-500 meters.
10. a kind of application method of the Microseismic monitoring system comprising mechanical microquake sources, comprises the steps:
The first step:Connect Microseismic monitoring system;
Second step:Required according to micro seismic monitoring experimental design, it is determined that the number and microseismic sensors number of mechanical microquake sources, peace
Put in place to be measured, and be connected with envelope eapsulotomy box and Microseismic monitoring system, open Microseismic monitoring system and enter data acquisition shape
State;
3rd step:The number of the mechanical microquake sources determined according to second step, in place to be measured drilling, drilling hole amount with it is mechanical
The number of microquake sources is consistent, after borehole cleaning, and the Microseismic monitoring system control computer that the first step is obtained is placed in ground, remainder
In load hole;
3rd step:Operational control computer, triggers electronic switch, motor is powered and starts running, flywheel driven, bent axle, connecting rod
Motion, driving piston increased dramatically the pressure in cylinder in cylinder motion, when inner pressure of air cylinder reaches that complete opening type spring is pacified
During the critical pressure of full valve, safety valve is automatically opened up, and high pressure draught is sprayed from energy head is penetrated, and impact is produced to measuring point, forms one
Controllable active focus;
4th step:Microseismic signals monitoring device gathers signal and is stored in control computer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710443814.6A CN107193039B (en) | 2017-06-13 | 2017-06-13 | A kind of mechanical microquake sources and monitoring system and application method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710443814.6A CN107193039B (en) | 2017-06-13 | 2017-06-13 | A kind of mechanical microquake sources and monitoring system and application method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107193039A true CN107193039A (en) | 2017-09-22 |
CN107193039B CN107193039B (en) | 2019-01-25 |
Family
ID=59878087
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710443814.6A Active CN107193039B (en) | 2017-06-13 | 2017-06-13 | A kind of mechanical microquake sources and monitoring system and application method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107193039B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111208211A (en) * | 2020-01-17 | 2020-05-29 | 大连理工大学 | Knocking device for positioning and correcting deep microseism of rock mass |
CN114994751A (en) * | 2022-07-21 | 2022-09-02 | 中国矿业大学(北京) | Coal mine microseismic signal identification and classification method based on model experiment |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201730613U (en) * | 2010-05-18 | 2011-02-02 | 西部矿业股份有限公司 | Microearthquake monitoring system of non-coal mine |
CN103176207A (en) * | 2013-02-26 | 2013-06-26 | 中国矿业大学(北京) | Micro-seismic monitoring system and method for mounting same |
CN104536037A (en) * | 2015-01-19 | 2015-04-22 | 安徽理工大学 | Automatic mine micro-seismic source |
CN204375151U (en) * | 2015-01-29 | 2015-06-03 | 中国矿业大学 | A kind of rock burst Real-time Detecting System for Microseism |
CN106610504A (en) * | 2017-02-22 | 2017-05-03 | 中南大学 | Controllable active vibration source of liquid carbon dioxide phase change type, and application method thereof |
-
2017
- 2017-06-13 CN CN201710443814.6A patent/CN107193039B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201730613U (en) * | 2010-05-18 | 2011-02-02 | 西部矿业股份有限公司 | Microearthquake monitoring system of non-coal mine |
CN103176207A (en) * | 2013-02-26 | 2013-06-26 | 中国矿业大学(北京) | Micro-seismic monitoring system and method for mounting same |
CN104536037A (en) * | 2015-01-19 | 2015-04-22 | 安徽理工大学 | Automatic mine micro-seismic source |
CN204375151U (en) * | 2015-01-29 | 2015-06-03 | 中国矿业大学 | A kind of rock burst Real-time Detecting System for Microseism |
CN106610504A (en) * | 2017-02-22 | 2017-05-03 | 中南大学 | Controllable active vibration source of liquid carbon dioxide phase change type, and application method thereof |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111208211A (en) * | 2020-01-17 | 2020-05-29 | 大连理工大学 | Knocking device for positioning and correcting deep microseism of rock mass |
CN111208211B (en) * | 2020-01-17 | 2021-06-18 | 大连理工大学 | Knocking device for positioning and correcting deep microseism of rock mass |
CN114994751A (en) * | 2022-07-21 | 2022-09-02 | 中国矿业大学(北京) | Coal mine microseismic signal identification and classification method based on model experiment |
Also Published As
Publication number | Publication date |
---|---|
CN107193039B (en) | 2019-01-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109555563B (en) | A kind of electromagnetic radiation of coal rock dynamic disaster danger and monitoring ground sound method for early warning | |
CN104390537B (en) | A kind of side slope pre split Blasting Excavation damage control method based on blasting vibration test | |
US20190112912A1 (en) | System and method for detecting structural integrity of a well casing | |
CN103712863B (en) | Based on the device and method of Study on Catastrophe Theory pressure break Rock Damage and crack propagation | |
Xu et al. | Excavation-induced microseismicity: microseismic monitoring and numerical simulation | |
CN104198207B (en) | Large-size roadway support laboratory simulation system and method | |
CN104296958A (en) | Coal mine underground PM2.5 concentration simulation detecting system | |
CN105676267A (en) | Strain type rockburst early warning method based on acoustic signal spectral analysis | |
CN104819914A (en) | Experimental device for promoting gas flowing with ultrasonic waves | |
Zeng et al. | Surface microseismic monitoring of hydraulic fracturing of a shale‐gas reservoir using short‐period and broadband seismic sensors | |
CN104564125B (en) | Cherry coal reservoir gas enhanced gas extraction contrast experiment's device and experimental technique | |
CN104297788B (en) | Mine microseism and blasting signal identification method based on waveform oscillation starting trend line slope | |
CN106610504B (en) | A kind of controllable active focus of liquid carbon dioxide phase-change type and its application method | |
CN107193039A (en) | A kind of mechanical microquake sources and monitoring system and application method | |
CN104819837B (en) | A kind of hydroscillator performance test experimental apparatus | |
CN103743634A (en) | Fluid structure interaction coal rock shear-seepage test fluid pressure loading shear box | |
CN103760040A (en) | Fluid-solid coupling coal petrography shear-seepage test shearing and sliding combined shearing box | |
CN104100258A (en) | Hydrofracture and micro-seismic monitoring device and monitoring method | |
CN106869906A (en) | A kind of oil well liquid level automated watch-keeping facility, method and system | |
CN111983035B (en) | Rock sample damage prediction method based on acoustic emission technology | |
CN111287731A (en) | Device and method for evaluating integrity of well cementation cement sheath | |
CN106884640A (en) | Coal rock layer pressure break investigating method, device and measuring and controlling equipment under mine | |
CN102080945A (en) | Safety evaluation method and system of blasting vibration based on energy input | |
CN107152271B (en) | Test method and device for simulating vibration and dynamic stress of production drill column | |
CN116519489B (en) | Model test device and method for simulating deformation and damage of surrounding rock of compressed air energy storage gas storage warehouse |
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 | ||
GR01 | Patent grant | ||
GR01 | Patent grant |