CN108594295A - A kind of coal seam unloading pressure by blasting effect evaluation method - Google Patents
A kind of coal seam unloading pressure by blasting effect evaluation method Download PDFInfo
- Publication number
- CN108594295A CN108594295A CN201810543197.1A CN201810543197A CN108594295A CN 108594295 A CN108594295 A CN 108594295A CN 201810543197 A CN201810543197 A CN 201810543197A CN 108594295 A CN108594295 A CN 108594295A
- Authority
- CN
- China
- Prior art keywords
- coal seam
- energy
- explosion
- unloading pressure
- instrument connection
- 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
- 239000003245 coal Substances 0.000 title claims abstract description 60
- 230000000694 effects Effects 0.000 title claims abstract description 37
- 238000005422 blasting Methods 0.000 title claims abstract description 35
- 238000011156 evaluation Methods 0.000 title claims abstract description 35
- 238000012544 monitoring process Methods 0.000 claims description 28
- 238000004880 explosion Methods 0.000 claims description 24
- 230000035939 shock Effects 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 13
- 238000005065 mining Methods 0.000 claims description 10
- 230000006698 induction Effects 0.000 claims description 9
- 239000004568 cement Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 239000011435 rock Substances 0.000 claims description 6
- 230000003245 working effect Effects 0.000 claims description 6
- 230000004807 localization Effects 0.000 claims description 3
- 238000003325 tomography Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/18—Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/20—Arrangements of receiving elements, e.g. geophone pattern
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Lining And Supports For Tunnels (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
Coal seam unloading pressure by blasting effect evaluation method, including arrangement microseismic sensors, calculate blast hole microseismic event energy, determine judgment criterion.Operability of the present invention is high, and precision is high, as a result reliably, solves the problems, such as that demolition effect is difficult to carry out qualitative assessment.
Description
Technical field
The present invention relates to a kind of coal seam unloading pressure by blasting effect evaluation methods.
Background technology
Bump is that a kind of elastic energy gathered in mining work activities due to coal and rock that underground coal mine occurs is unexpected
It discharges and coal and rock moment is caused to be dished out, the roadway damage even dynamic disaster of casualties.
Bump is one of the major casualty that coal mining faces.With being continuously increased for coal mining depth, impact
Underground hazard and thus caused by a series of accidents such as gas, gushing water and mine shake etc. also become increasingly severe and universal.
Current coal seam unloading pressure by blasting is the common method of Controlling of Coal Outburst and solution danger, relative to the means such as coal seam major diameter release, tool
Have the advantages that relief range is big, quick.But effectively evaluating method is lacked to the effect of coal seam unloading pressure by blasting at present, is caused pair
Whether the danger of burst of danger zone, which releases, is difficult to judge, while also bringing difficulty to the rational design of blasting parameter.
Invention content
The present invention provides a kind of coal seam unloading pressure by blasting effect evaluation methods.
The technical solution adopted by the present invention is as follows：
Coal seam unloading pressure by blasting effect evaluation method, includes the following steps：
(a) Microseismic monitoring system and several microseismic sensors are arranged in underground coal mine；
(b) outside Affected areas by mining, 3-6 coal seam blast hole of arrangement is as instrument connection, instrument connection and implementation explosion
The parameter of pressure relief vent is consistent；
(c) explosion is implemented to pressure relief vent, after explosion is complete, the location information of explosion events is obtained by Microseismic monitoring system,
When the horizon location error average value of the Microseismic monitoring system elements of a fix and instrument connection actual coordinate is not more than 10m, perpendicular positioning
Average error is not more than 20m, then it is assumed that positioning accuracy meets detection requirement, otherwise changes Velocity model, until meeting the requirements；
(d) meet detection requirement in positioning accuracy, by the practical seat of the Microseismic monitoring system elements of a fix and instrument connection
End value of the immediate value as the Microseismic monitoring system elements of a fix is marked, the elements of a fix of instrument connection thereby is achieved.Then
It obtains the energy of instrument connection shock event release respectively by Microseismic monitoring system, calculates the energy of whole instrument connection shock events
Average value Eb, the standard value which releases energy as coal seam explosion：
Eb=∑s Ei
In formula, Ei indicates the energy of i-th of instrument connection shock event release, and unit J, i=1 ... ..., n, n are that instrument connection is total
Number；
(e) positioning and energy balane are carried out to coal seam unloading pressure by blasting event M using above-mentioned localization method；
(f) following formula is used to calculate the evaluation index P of coal seam demolition effect：
P=∑s Ej/m*Eb
In formula, m is coal seam pressure relief blast hole number, and Ej is the energy of j-th of blast hole shock event release, j=
1 ... ..., m；
(g) coal seam unloading pressure by blasting effect is evaluated using following criterion：
When P ＞ k, explosion satisfaction unloads pressure request
In formula, k values are determined according to the danger classes of explosion position the rock burst fatalness area, and danger of burst grade is using synthesis
Index method determines, 1,2,5 and 10 is taken respectively in nothing, weak, medium and thump danger zone k values.
In above-mentioned coal seam unloading pressure by blasting effect evaluation method, after j-th of blast hole explosion, it is less than 50m in radius
In the region of range, when other shock events MjI having occurred in 30min, then induction events of the MjI as Mj events, to thing
Part MjI carries out positioning and energy balane, and the ENERGY E j of j-th of blast hole shock event release is calculated by following formula,
Ej=Ejd+ ∑s EJI
Ejd is energy when j-th of blast hole does not consider induction event, and EjI is the energy value that i-th induces event, I=
1 ... ..., q, q are induction event number.
In above-mentioned coal seam unloading pressure by blasting effect evaluation method, the microseismic sensors include two types, and one is spies
Hair style microseismic sensors are mounted in stope drift active workings inner top panel, coal seam or bottom plate；Another kind is geophone formula microseismic sensors,
On roadway floor.
In above-mentioned coal seam unloading pressure by blasting effect evaluation method, when installing sonde-type microseismic sensors, first in stope drift active workings
It constructs in inner top panel, coal seam or bottom plate Bolt, sonde-type microseismic sensors is then fixed on Bolt
On；When geophone formula microseismic sensors are installed, the cement base station for 0.5m × 0.5m × 0.5m square of first constructing on roadway floor,
Cement base station is connected by a Bolt not less than 1.5m with floor strata.
In above-mentioned coal seam unloading pressure by blasting effect evaluation method, for any one blast hole, 4 microseisms is at least installed and are passed
Sensor is carried out at the same time monitoring.
In above-mentioned coal seam unloading pressure by blasting effect evaluation method, microseismic sensors installation site and the blast hole that is monitored it
Between be not present tomography, goaf or karst collapse col umn.
In above-mentioned coal seam unloading pressure by blasting effect evaluation method, Affected areas by mining refers to big with nearest goaf distance outside
In 350m, nearest driving face distance is more than 150m, is more than 50m apart from nearest tunnel and chamber distance.
In above-mentioned coal seam unloading pressure by blasting effect evaluation method, comprehensive evaluation refers to：
On the basis of the rock blast hazard that analysis has occurred, geologic(al) factor and production technique factor are analyzed to impact ground
The influence of pressure life, determines the weighing factor of various factors, is then integrated.Risk index, which is divided into geologic(al) factor, to be commented
Valence index and production technique factor evaluation index take comprehensive evaluation index value of the peak of the two as shock hazard.
Geologic(al) factor evaluation number and production technique factor evaluation index are calculated separately by subordinate list 1 and subordinate list 2.
The corresponding bump hazard index of 1 geologic(al) factor of subordinate list assesses table
The corresponding bump hazard index of 2 Mining technology condition factor of subordinate list assesses table
Comprehensive evaluation index takes the peak of geologic(al) factor evaluation number and production technique factor evaluation index.
Wt=max { Wt1, Wt2}
Danger classes classification is carried out by subordinate list 3.
3 bump danger classes of subordinate list is classified
| Danger classes | Risk index |
| A is without danger | ≤0.25 |
| The weak danger of B | 0.25-0.5 |
| C moderate risks | 0.5-0.75 |
| D is dangerous by force | ＞ 0.75 |
The above technical solution of the present invention has the following advantages over the prior art：
(1) unloading pressure by blasting effect evaluation method in coal seam provided by the invention, by using instrument connection and practical blast hole into
The mode that row compares, the energy of concussion of blasting event is calculated using Microseismic monitoring system, and then is established unloading pressure by blasting effect and commented
Valence criterion, and according to bump integrated evaluating method, the k values to monitoring region have carried out science determination, and therefore, the present invention can
Operational high, precision is high, as a result reliably, solves the problems, such as that demolition effect is difficult to carry out qualitative assessment.
(2) unloading pressure by blasting effect evaluation method in coal seam provided by the invention, due to taking full advantage of Microseismic monitoring system prison
Precision height is surveyed, the energy that shock event is induced to event is also calculated into shock event energy, and therefore, the present invention further improves
Monitoring accuracy, improves Evaluated effect.
(3) unloading pressure by blasting effect evaluation method in coal seam provided by the invention adopts reason element and geology due to effectively eliminating
Influence of the factor to Microseismic monitoring system monitoring accuracy, therefore, the present invention further improves monitoring accuracy, improves assessment
Effect.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, embodiment of the present invention will be made into one below
Step ground detailed description.
The coal seam unloading pressure by blasting effect evaluation method, includes the following steps：
(a) Microseismic monitoring system and several microseismic sensors are arranged in underground coal mine；
(b) outside Affected areas by mining, 3-6 coal seam blast hole of arrangement is as instrument connection, instrument connection and implementation explosion
The parameter of pressure relief vent is consistent；
(c) explosion is implemented to pressure relief vent, after explosion is complete, the location information of explosion events is obtained by Microseismic monitoring system,
When the horizon location error average value of the Microseismic monitoring system elements of a fix and instrument connection actual coordinate is not more than 10m, perpendicular positioning
Average error is not more than 20m, then it is assumed that positioning accuracy meets detection requirement, otherwise changes Velocity model, until meeting the requirements；
(d) meet detection requirement in positioning accuracy, by the practical seat of the Microseismic monitoring system elements of a fix and instrument connection
End value of the immediate value as the Microseismic monitoring system elements of a fix is marked, the elements of a fix of instrument connection thereby is achieved.Then
It obtains the energy of instrument connection shock event release respectively by Microseismic monitoring system, calculates the energy of whole instrument connection shock events
Average value Eb, the standard value which releases energy as coal seam explosion：
Eb=∑s Ei
In formula, Ei indicates the energy of i-th of instrument connection shock event release, and unit J, i=1 ... ..., n, n are instrument connection
Sum；
(e) positioning and energy balane are carried out to coal seam unloading pressure by blasting event M using above-mentioned localization method；
(f) following formula is used to calculate the evaluation index P of coal seam demolition effect：
P=∑s Ej/m*Eb
In formula, m is coal seam pressure relief blast hole number, and Ej is the energy of j-th of blast hole shock event release, j=
1 ... ..., m；
(g) coal seam unloading pressure by blasting effect is evaluated using following criterion：
When P ＞ k, explosion satisfaction unloads pressure request
In formula, k values are determined according to the danger classes of explosion position the rock burst fatalness area, and danger of burst grade is using synthesis
Index method determines, 1,2,5 and 10 is taken respectively in nothing, weak, medium and thump danger zone k values.
After j-th of blast hole explosion, in the region that radius is less than 50m ranges, other shakes have occurred in 30min
When dynamic event MjI, then induction events of the MjI as Mj events, positioning and energy balane, j-th of blast hole are carried out to event MjI
The ENERGY E j of shock event release is calculated by following formula,
Ej=Ejd+ ∑s EJI
Ejd is energy when j-th of blast hole does not consider induction event, and EjI is the energy value that i-th induces event, I=
1 ... ..., q, q are induction event number.
The microseismic sensors include two types, one is sonde-type microseismic sensors, are mounted on top in stope drift active workings
In plate, coal seam or bottom plate；Another kind is geophone formula microseismic sensors, is mounted on roadway floor.
When sonde-type microseismic sensors are installed, full length fastening anchor of first constructing in stope drift active workings inner top panel, coal seam or bottom plate
Then sonde-type microseismic sensors are fixed on Bolt by bar；When geophone formula microseismic sensors are installed, the lanes Xian
The cement base station for 0.5m × 0.5m × 0.5m square of constructing on road bottom plate, the overall length anchor that cement base station is not less than 1.5m by one
Gu anchor pole is connected with floor strata.
For any one blast hole, 4 microseismic sensors are at least installed and are carried out at the same time monitoring.
Tomography, goaf or karst collapse col umn are not present between microseismic sensors installation site and the blast hole monitored.
Affected areas by mining refers to outside is more than 350m with nearest goaf distance, and nearest driving face distance is more than
150m is more than 50m apart from nearest tunnel and chamber distance.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
Variation is still in the protection scope of this invention.
Claims (7)
1. coal seam unloading pressure by blasting effect evaluation method, it is characterised in that：Include the following steps：
(a) Microseismic monitoring system and several microseismic sensors are arranged in underground coal mine；
(b) outside Affected areas by mining, 3-6 coal seam blast hole of arrangement is as instrument connection, instrument connection and the release for implementing explosion
The parameter in hole is consistent；
(c) explosion is implemented to pressure relief vent, after explosion is complete, the location information of explosion events is obtained by Microseismic monitoring system, when micro-
It shakes the monitoring system elements of a fix and the horizon location error average value of instrument connection actual coordinate is not more than 10m, perpendicular positioning error
Average value is not more than 20m, then it is assumed that positioning accuracy meets detection requirement, otherwise changes Velocity model, until meeting the requirements；
(d) meet detection requirement in positioning accuracy, most with instrument connection actual coordinate by the Microseismic monitoring system elements of a fix
End value of the close value as the Microseismic monitoring system elements of a fix, thereby is achieved the elements of a fix of instrument connection.Then pass through
Microseismic monitoring system obtains the energy of instrument connection shock event release respectively, and the energy for calculating whole instrument connection shock events is average
Value Eb, the standard value which releases energy as coal seam explosion：
Eb=∑s Ei
In formula, Ei indicates the energy of i-th of instrument connection shock event release, and unit J, i=1 ... ..., n, n is instrument connection sum；
(e) positioning and energy balane are carried out to coal seam unloading pressure by blasting event M using above-mentioned localization method；
(f) following formula is used to calculate the evaluation index P of coal seam demolition effect：
P=∑s Ej/m*Eb
In formula, m is coal seam pressure relief blast hole number, and Ej is the energy of j-th of blast hole shock event release, j=1 ... ..., m；
(g) coal seam unloading pressure by blasting effect is evaluated using following criterion：
When P ＞ k, explosion satisfaction unloads pressure request
In formula, k values are determined according to the danger classes of explosion position the rock burst fatalness area, and danger of burst grade uses composite index
Method determines, 1,2,5 and 10 is taken respectively in nothing, weak, medium and thump danger zone k values.
2. unloading pressure by blasting effect evaluation method in coal seam according to claim 1, it is characterised in that：
After j-th of blast hole explosion, in the region that radius is less than 50m ranges, other vibrations things have occurred in 30min
When part MjI, then induction events of the MjI as Mj events, positioning and energy balane, j-th of blast hole vibrations are carried out to event MjI
The ENERGY E j of event release is calculated by following formula, Ej=Ejd+ ∑s EJI
Ejd is energy when j-th of blast hole does not consider induction event, and EjI is the energy value that i-th induces event, I=
1 ... ..., q, q are induction event number.
3. unloading pressure by blasting effect evaluation method in coal seam according to claim 1 or 2, it is characterised in that：The microseism sensing
Device includes two types, and one is sonde-type microseismic sensors, are mounted in stope drift active workings inner top panel, coal seam or bottom plate；It is another
Kind is geophone formula microseismic sensors, is mounted on roadway floor.
4. unloading pressure by blasting effect evaluation method in coal seam according to claim 3, it is characterised in that：Sonde-type microseism is installed to pass
When sensor, Bolt of first constructing in stope drift active workings inner top panel, coal seam or bottom plate, then by sonde-type microseismic sensors
It is fixed on Bolt；When geophone formula microseismic sensors are installed, the 0.5m × 0.5m that first constructs on roadway floor ×
The cement base station of 0.5m square, cement base station are connected by a Bolt not less than 1.5m with floor strata.
5. unloading pressure by blasting effect evaluation method in coal seam according to claim 1 or 2, it is characterised in that：For any one
Blast hole at least installs 4 microseismic sensors and is carried out at the same time monitoring.
6. unloading pressure by blasting effect evaluation method in coal seam according to claim 1 or 2, it is characterised in that：Microseismic sensors are pacified
Tomography, goaf or karst collapse col umn are not present between holding position and the blast hole monitored.
7. unloading pressure by blasting effect evaluation method in coal seam according to any claim from 1 to 6, it is characterised in that：Institute
Affected areas by mining to be stated to refer to outside with nearest goaf distance more than 350m, nearest driving face distance is more than 150m, away from
It is more than 50m with a distance from nearest tunnel and chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810543197.1A CN108594295B (en) | 2018-05-31 | 2018-05-31 | Method for evaluating coal bed blasting pressure relief effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810543197.1A CN108594295B (en) | 2018-05-31 | 2018-05-31 | Method for evaluating coal bed blasting pressure relief effect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108594295A true CN108594295A (en) | 2018-09-28 |
| CN108594295B CN108594295B (en) | 2019-12-17 |
Family
ID=63630338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810543197.1A Active CN108594295B (en) | 2018-05-31 | 2018-05-31 | Method for evaluating coal bed blasting pressure relief effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108594295B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119890A (en) * | 2019-12-12 | 2020-05-08 | 天地科技股份有限公司 | Target rock stratum determination method based on microseismic monitoring for pressure relief and scour prevention of ground fracturing area |
| CN111897002A (en) * | 2020-07-30 | 2020-11-06 | 中煤能源研究院有限责任公司 | Roof pre-splitting measure effect evaluation method based on microseismic monitoring |
| CN112012797A (en) * | 2020-09-03 | 2020-12-01 | 兖州煤业股份有限公司 | Evaluation method for coal mine impact danger pressure relief effect |
| CN112213767A (en) * | 2020-09-11 | 2021-01-12 | 中国矿业大学 | Method for evaluating advanced presplitting blasting effect of top plate |
| CN113107601A (en) * | 2021-05-19 | 2021-07-13 | 中国矿业大学 | Stope face pressure relief effect evaluation method based on multi-parameter monitoring parameters |
| CN113339072A (en) * | 2021-07-06 | 2021-09-03 | 中国矿业大学 | Blasting pressure relief effect evaluation method based on microseismic signal waveform analysis |
| CN114924311A (en) * | 2022-05-17 | 2022-08-19 | 中国矿业大学 | Quantitative evaluation method for energy release effect based on top plate explosion induced vibration energy |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425416A (en) * | 2011-09-12 | 2012-04-25 | 山东科技大学 | Coal mine high stress area roadway driving face impact ground pressure control method |
| CN103244179A (en) * | 2013-04-28 | 2013-08-14 | 中国矿业大学 | Evaluation method for predicting coal mine underground impact mine pressure danger |
| CN103940568A (en) * | 2014-04-11 | 2014-07-23 | 中国矿业大学 | Method for detecting pressure relief blasting effect of hard roof |
| CN104389637A (en) * | 2014-10-14 | 2015-03-04 | 河南理工大学 | A method for determining loosening blasting danger-relieving range of coal beds with rock burst |
| CN104453899A (en) * | 2014-11-06 | 2015-03-25 | 大同煤矿集团有限责任公司 | Safety recovery method of island working surface under complicated condition |
| CN104763470A (en) * | 2015-03-27 | 2015-07-08 | 辽宁工程技术大学 | One-hole multi-index intelligent rock burst pre-warning system and method for mine |
| CN105350965A (en) * | 2015-11-27 | 2016-02-24 | 西安科技大学 | Rock burst control method for coal mining tunnel |
| AU2013330947B2 (en) * | 2012-10-17 | 2016-04-07 | China University Of Mining And Technology | High-pressure pneumatic blasting pressure relieving and transmission increasing method |
| CN105626070A (en) * | 2015-12-14 | 2016-06-01 | 辽宁工程技术大学 | Rock burst prevention method through deep hole blasting and depressurizing |
| CN105863638A (en) * | 2016-05-05 | 2016-08-17 | 山东唐口煤业有限公司 | Method for controlling abnormal gushing of rock burst inclination coal bed gas |
| CN106777772A (en) * | 2017-01-09 | 2017-05-31 | 辽宁工程技术大学 | A kind of Rock Burst hazard prediction method based on coal or rock dynamic system |
| CN107169686A (en) * | 2017-07-06 | 2017-09-15 | 中国神华能源股份有限公司 | A kind of coal column to below roof carries out demolition effect evaluation method during explosion |
| CN107255435A (en) * | 2017-07-19 | 2017-10-17 | 刘佳媛 | A kind of underground coal mine deep hole does not radially couple unloading pressure by blasting method |
-
2018
- 2018-05-31 CN CN201810543197.1A patent/CN108594295B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425416A (en) * | 2011-09-12 | 2012-04-25 | 山东科技大学 | Coal mine high stress area roadway driving face impact ground pressure control method |
| AU2013330947B2 (en) * | 2012-10-17 | 2016-04-07 | China University Of Mining And Technology | High-pressure pneumatic blasting pressure relieving and transmission increasing method |
| CN103244179A (en) * | 2013-04-28 | 2013-08-14 | 中国矿业大学 | Evaluation method for predicting coal mine underground impact mine pressure danger |
| CN103940568A (en) * | 2014-04-11 | 2014-07-23 | 中国矿业大学 | Method for detecting pressure relief blasting effect of hard roof |
| CN104389637A (en) * | 2014-10-14 | 2015-03-04 | 河南理工大学 | A method for determining loosening blasting danger-relieving range of coal beds with rock burst |
| CN104453899A (en) * | 2014-11-06 | 2015-03-25 | 大同煤矿集团有限责任公司 | Safety recovery method of island working surface under complicated condition |
| CN104763470A (en) * | 2015-03-27 | 2015-07-08 | 辽宁工程技术大学 | One-hole multi-index intelligent rock burst pre-warning system and method for mine |
| CN105350965A (en) * | 2015-11-27 | 2016-02-24 | 西安科技大学 | Rock burst control method for coal mining tunnel |
| CN105626070A (en) * | 2015-12-14 | 2016-06-01 | 辽宁工程技术大学 | Rock burst prevention method through deep hole blasting and depressurizing |
| CN105863638A (en) * | 2016-05-05 | 2016-08-17 | 山东唐口煤业有限公司 | Method for controlling abnormal gushing of rock burst inclination coal bed gas |
| CN106777772A (en) * | 2017-01-09 | 2017-05-31 | 辽宁工程技术大学 | A kind of Rock Burst hazard prediction method based on coal or rock dynamic system |
| CN107169686A (en) * | 2017-07-06 | 2017-09-15 | 中国神华能源股份有限公司 | A kind of coal column to below roof carries out demolition effect evaluation method during explosion |
| CN107255435A (en) * | 2017-07-19 | 2017-10-17 | 刘佳媛 | A kind of underground coal mine deep hole does not radially couple unloading pressure by blasting method |
Non-Patent Citations (4)
| Title |
|---|
| 刘超: "采动煤岩瓦斯动力灾害致灾机理及微震预警方法研究", 《中国博士学位论文全文数据库 工程科技I辑》 * |
| 李志华: "采动影响下断层滑移诱发煤岩冲击机理研究", 《中国博士学位论文全文数据库 工程科技I辑》 * |
| 潘俊锋 等: "影响冲击地压危险性评价结果的II类开采技术因素研究", 《岩土力学》 * |
| 王慧明: "微震监测评价卸压***效果的方法", 《煤矿开采》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119890A (en) * | 2019-12-12 | 2020-05-08 | 天地科技股份有限公司 | Target rock stratum determination method based on microseismic monitoring for pressure relief and scour prevention of ground fracturing area |
| CN111119890B (en) * | 2019-12-12 | 2021-11-02 | 天地科技股份有限公司 | Target rock stratum determination method based on microseismic monitoring for pressure relief and scour prevention of ground fracturing area |
| CN111897002A (en) * | 2020-07-30 | 2020-11-06 | 中煤能源研究院有限责任公司 | Roof pre-splitting measure effect evaluation method based on microseismic monitoring |
| CN111897002B (en) * | 2020-07-30 | 2022-12-20 | 中煤能源研究院有限责任公司 | Roof pre-splitting measure effect evaluation method based on microseismic monitoring |
| CN112012797A (en) * | 2020-09-03 | 2020-12-01 | 兖州煤业股份有限公司 | Evaluation method for coal mine impact danger pressure relief effect |
| CN112213767A (en) * | 2020-09-11 | 2021-01-12 | 中国矿业大学 | Method for evaluating advanced presplitting blasting effect of top plate |
| CN113107601A (en) * | 2021-05-19 | 2021-07-13 | 中国矿业大学 | Stope face pressure relief effect evaluation method based on multi-parameter monitoring parameters |
| CN113339072A (en) * | 2021-07-06 | 2021-09-03 | 中国矿业大学 | Blasting pressure relief effect evaluation method based on microseismic signal waveform analysis |
| CN113339072B (en) * | 2021-07-06 | 2022-07-01 | 中国矿业大学 | Blasting pressure relief effect evaluation method based on microseismic signal waveform analysis |
| CN114924311A (en) * | 2022-05-17 | 2022-08-19 | 中国矿业大学 | Quantitative evaluation method for energy release effect based on top plate explosion induced vibration energy |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108594295B (en) | 2019-12-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108594295A (en) | A kind of coal seam unloading pressure by blasting effect evaluation method | |
| CN102644482B (en) | Rock burst predicting and warning method | |
| CN109798106B (en) | Method for predicting risk of rock burst and prevention and treatment measures | |
| CN109595036B (en) | Early warning method for mine ground pressure disaster | |
| CN107392394B (en) | Method for predicting coal and gas outburst risk of dynamic monitoring driving face | |
| CN105741029B (en) | A kind of danger of burst evaluation method based on cumulative stress coefficient of concentration | |
| CN104653226A (en) | Stress-gradient-based method for dividing coal impact ground pressure danger area | |
| CN104989453A (en) | Coal mine water burst down-hole full-space real-time continuous monitoring early-warning method | |
| RU2467171C1 (en) | Method of diagnosing dangerous situations in deep mining and forecasting parameters of fissuring zones formed by fracturing | |
| CN103244185B (en) | Early warning method for instability of bolt-supported roadway roof separation | |
| CN109707453A (en) | A kind of permanent chamber impact Safety Argumentation method of coal mine | |
| CN114109508A (en) | Rock burst monitoring method based on energy system analysis and application | |
| CN111042866A (en) | Multi-physical-field cooperative water inrush monitoring method | |
| CN112324506A (en) | Dynamic early warning method for preventing and controlling rock burst of coal mine based on micro-seismic | |
| Meng et al. | In situ investigation and numerical simulation of the failure depth of an inclined coal seam floor: a case study | |
| CN104697683A (en) | Dynamic disaster mine anchor rock stability integrated detection method and system | |
| Tan et al. | Researches on floor stratum fracturing induced by antiprocedure mining underneath close-distance goaf | |
| CN104832163A (en) | Method for monitoring rock burst dangerousness in coal underground mining process | |
| Su et al. | Longwall-induced subsurface deformations and permeability changes–Shale gas well casing integrity implication | |
| Ellenberger et al. | Three dimensional microseismic monitoring of a Utah longwall | |
| CN110261901A (en) | Deep rock mass rockburst intensity evaluation method based on induced vibration | |
| CN110043317A (en) | Knowledge method for early warning is sentenced in a kind of mine disaster many reference amounts local danger area | |
| CN113847093A (en) | Rock burst prevention and control method | |
| CN111257927B (en) | Method for determining effective monitoring distance of coal mine underground hydraulic fracturing microseism | |
| Xu et al. | Study on the reasonable cover thickness of a subsea tunnel with the numerical calculation criterion method |
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 | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200701 Address after: 101300, No. two, 1 road, Shunyi Park, Zhongguancun science and Technology Park, Beijing, Shunyi District Patentee after: CCTEG Coal Mining Research Institute Co.,Ltd. Address before: 100013 No. 5 Youth Road, Beijing, Chaoyang District Patentee before: TIANDI SCIENCE & TECHNOLOGY Co.,Ltd. |