CN113818927B - Rock burst control device with energy guiding function - Google Patents
Rock burst control device with energy guiding function Download PDFInfo
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- CN113818927B CN113818927B CN202111198048.4A CN202111198048A CN113818927B CN 113818927 B CN113818927 B CN 113818927B CN 202111198048 A CN202111198048 A CN 202111198048A CN 113818927 B CN113818927 B CN 113818927B
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- sensor
- rock burst
- stress
- energy guiding
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- 239000011435 rock Substances 0.000 title claims abstract description 38
- 239000003245 coal Substances 0.000 claims abstract description 20
- 230000002265 prevention Effects 0.000 claims abstract description 5
- 238000012544 monitoring process Methods 0.000 claims description 34
- 238000012806 monitoring device Methods 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 16
- 238000005422 blasting Methods 0.000 abstract description 11
- 238000005553 drilling Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000011835 investigation Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
- E21F17/185—Rock-pressure control devices with or without alarm devices; Alarm devices in case of roof subsidence
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention provides a rock burst control device with an energy guiding function, and mainly relates to the field of coal field geological investigation. The rock burst prevention and control device with the energy guiding function comprises a middle support, bolt fixing mounting base plates are respectively used on two sides of the middle support, two supporting seats are fixedly mounted on each base plate, a sensor base is rotatably mounted on each supporting seat, a first corner sensor is fixedly mounted on each sensor base, a front rocker arm is rotatably mounted on each first corner sensor, and a second corner sensor is arranged at the front end of each front rocker arm. The invention has the beneficial effects that: the method can monitor the stress of the coal seam or the rock stratum in the area with high dangerous level of rock burst in real time, can send out early warning information when the stress concentration change exceeds a preset value, and can timely conduct energy guiding and releasing on the stress concentration area by adopting modes of blasting pressure relief, drilling pressure relief, induced blasting and the like according to the early warning information, so that the rock burst is effectively avoided.
Description
Technical Field
The invention mainly relates to the field of coal field geological investigation, in particular to a rock burst control device with an energy guiding function.
Background
Rock burst disasters are also known as rock burst disasters (burst disasters), and are called coal burst (coal burst) in coal mines. Under the action of high internal stress, the ore body or rock mass is destroyed in balance state, and a large amount of energy is suddenly released to generate explosion vibration, and disasters caused by sudden ejection of the ore body and rock at the peripheral wall of a roadway are avoided. Rock burst occurs mainly as a result of the instantaneous release of the accumulated elastic deformation potential energy in the coal rock body beyond its load-bearing capacity.
The control technology of rock burst can be broadly divided into 3 types:
firstly, adopting a mining optimization design method to avoid rock burst, wherein the mining optimization design method comprises optimizing development arrangement, liberation layer mining, coal pillar-free mining, pre-digging pressure relief roadway, wide roadway tunneling, wide roadway column retaining method and the like;
secondly, the danger is relieved in the areas with impact danger, high stress concentration is avoided, and the property of coal rock mass medium is improved so as to weaken the capability of accumulating elastic energy, including roof deep hole blasting, coal seam unloading blasting, coal seam high-pressure water injection, a large hole pressure relief method, a directional hydraulic fracturing method, a high-pressure water jet grooving method, a broken bottom blasting method, a pre-digging pressure relief chamber, coal seam high-pressure hydraulic fracturing, a bottom plate grooving method and the like;
thirdly, a more effective supporting method is adopted, and the supporting strength is increased or the supporting mode is improved to improve the impact resistance capability of the supporting body, which is a passive protecting method, such as a rigid-flexible energy storage supporting method of surrounding rock of an impact vibration roadway, a high prestress, a strong anchor U-shaped steel supporting method, a portal hydraulic support (or a pile hydraulic support) method, a constant-resistance large-deformation anchor (cable) supporting method and the like
Through experimental practices, the method for relieving danger in the areas with impact danger is adopted, so that high stress concentration is avoided, and the property of coal rock mass media is improved to weaken the capability of accumulating elastic energy, but at present, a device capable of monitoring the stress change condition of each dangerous area in real time is lacked in the industry so as to be convenient for guiding energy release, and stress concentration is relieved to prevent rock burst.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides the rock burst prevention device with the energy guiding function, which can monitor the stress of a coal seam or a rock stratum in a region with high risk level of the rock burst in real time, send out early warning information when the stress concentration change exceeds a preset value, and enable workers to timely perform energy guiding release on the stress concentration region in modes of blasting pressure relief, drilling pressure relief, induced blasting and the like according to the early warning information, so that the occurrence of the rock burst is effectively avoided, and the construction safety is ensured.
The invention aims to achieve the aim, and the aim is achieved by the following technical scheme:
the utility model provides a rock burst prevention and cure device with energy guidance function, includes the middle part support, bolt fixed mounting bottom plate is used respectively to middle part support both sides, every fixed mounting has two supporting seats on the bottom plate, rotate on the supporting seat and install the sensor base, fixed mounting corner sensor first on the sensor base, rotate the installation front rocker on the corner sensor first, the front rocker front end sets up corner sensor second, rotate the installation back rocking arm on the corner sensor second, back rocking arm outer end rotates the installation monitoring rod anchor clamps, use bolt fixed mounting controller on the middle part support, be provided with fixed sleeve on the controller.
The stress monitoring rod is clamped in the monitoring rod clamp, and the fixing sleeve is connected with the fixing rod through threads.
The dead lever fixed mounting is in the stratum of colliery, when this device passes through fixed sleeve connection on the dead lever the supporting seat compresses tightly on the stratum, stress monitoring pole is certain contained angle with the dead lever and installs in the stratum.
The monitoring rod clamp structure comprises a hinged plate, wherein fixed clamping blocks are respectively arranged at the two ends of the hinged plate through bolts, movable clamping blocks are respectively connected with the two ends of the fixed clamping blocks in a rotating mode, and pressing buckles are arranged on the movable clamping blocks.
And a pressure stress sensor is arranged in the stress monitoring rod.
In the device, four groups of supporting seats, a sensor base, a first rotation angle sensor, a front rocker arm, a second rotation angle sensor, a rear rocker arm, a monitoring rod clamp and a stress monitoring rod are arranged, and the first rotation angle sensor and the second rotation angle sensor are electrically connected with a controller.
The controller can acquire information of the first corner sensor and the second corner sensor in real time, and the stress change in the current area can be calculated after operation.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the information of each corner sensor can be obtained in real time through the controller, the stress change in the current area is calculated after calculation, the stress of the coal seam or rock stratum in the area with high risk level of rock burst is monitored in real time, early warning information is sent when the stress concentration change exceeds a preset value, and workers can timely perform energy guiding and releasing in modes of blasting pressure relief, drilling pressure relief, induced blasting and the like on the stress concentration area according to the early warning information, so that the occurrence of the rock burst is effectively avoided, and the construction safety is ensured.
Drawings
FIG. 1 is a schematic diagram of the general structure of the present invention;
FIG. 2 is a schematic view of the partial enlarged construction of the A part of the present invention;
FIG. 3 is a schematic view of the present invention in a partially enlarged configuration of section B.
The reference numbers shown in the drawings: 1. a middle bracket; 2. a bottom plate; 3. a support base; 4. a sensor base; 5. a first rotation angle sensor; 6. a front rocker arm; 7. a second rotation angle sensor; 8. a rear rocker arm; 9. monitoring rod clamp; 10. a controller; 11. a fixed sleeve; 12. a stress monitoring rod; 13. a fixed rod; 91. a hinged plate; 92. fixing the clamping blocks; 93. a movable clamping block; 94. pressing the buckle; 120. a pressure stress sensor.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments. It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. Further, it will be understood that various changes or modifications may be made by those skilled in the art after reading the teachings of the invention, and such equivalents are intended to fall within the scope of the invention as defined herein.
Referring to fig. 1-3, the rock burst prevention and control device with an energy guiding function comprises a middle support 1, wherein two sides of the middle support 1 are respectively fixedly provided with a bottom plate 2 through bolts, each bottom plate 2 is fixedly provided with two supporting seats 3, each supporting seat 3 is rotatably provided with a sensor base 4, each sensor base 4 is fixedly provided with a first rotation angle sensor 5, each first rotation angle sensor 5 is rotatably provided with a front rocker arm 6, the front end of each front rocker arm 6 is provided with a second rotation angle sensor 7, each second rotation angle sensor 7 is rotatably provided with a rear rocker arm 8, the outer end of each rear rocker arm 8 is rotatably provided with a monitoring rod clamp 9, each middle support 1 is fixedly provided with a controller 10 through bolts, and each controller 10 is provided with a fixing sleeve 11.
The stress monitoring rod 12 is clamped in the monitoring rod clamp 9, and the fixing rod 13 is connected in the fixing sleeve 11 through threads.
The dead lever 13 fixed mounting is in the stratum of colliery, when this device passes through fixed sleeve 11 to be connected on dead lever 13 supporting seat 3 compresses tightly on the stratum, stress monitoring rod 12 is the certain contained angle with dead lever 13 and installs in the stratum.
The monitoring rod clamp 9 comprises a hinged plate 91, wherein fixed clamping blocks 92 are respectively arranged at the two ends of the hinged plate 91 through bolts, movable clamping blocks 93 are respectively connected to the two ends of the fixed clamping blocks 92 in a rotating mode, and pressing buckles 94 are arranged on the movable clamping blocks 93.
The stress monitoring rod 12 is provided therein with a pressure sensor 120.
In the device, four groups of supporting seats 3, a sensor base 4, a first corner sensor 5, a front rocker arm 6, a second corner sensor 7, a rear rocker arm 8, a monitoring rod clamp 9 and a stress monitoring rod 12 are arranged, and the first corner sensor 5 and the second corner sensor 7 are electrically connected with a controller 10.
The controller 10 can acquire the information of the first corner sensor 5 and the second corner sensor 7 in real time, and can calculate the stress change in the current area after operation. The monitoring principle of the device is as follows: the volume of the coal bed or the rock stratum can change slightly after the extrusion stress is increased, and the small change can be amplified through the monitoring rod, so that the monitoring can be better realized.
When the device is used, firstly, the existing equipment and technology are used for identifying the impact tendency of a construction coal field area, determining the area with the impact tendency in the construction coal field area, then, carrying out impact risk evaluation on the area, dividing the area into a plurality of impact risk area grades, setting monitoring points at the position of the high impact risk area grade, respectively installing a fixed rod and a stress monitoring rod by punching near the monitoring points, installing the device on the fixed rod after the installation is finished, then, sequentially clamping each monitoring rod clamp on the stress monitoring rod, starting a controller to record the numerical change of each sensor, calculating the stress change of a coal seam or rock stratum in the current area according to the numerical change, and giving an early warning when the stress concentration exceeds a certain numerical value; the staff can carry out energy guiding release in modes of blasting pressure relief, drilling pressure relief, induced blasting and the like on the area according to the early warning information in a targeted manner, so that rock burst is effectively avoided.
Claims (3)
1. The utility model provides a rock burst prevention and cure device with energy guiding function, includes middle part support (1), its characterized in that: the utility model discloses a coal mine rock stratum monitoring device, including rock stratum monitoring device, middle part support, fixed mounting bottom plate (2) are used respectively to middle part support (1) both sides, every fixed mounting has two supporting seats (3) on bottom plate (2), rotate on supporting seat (3) and install sensor base (4), fixed mounting corner sensor (5) on sensor base (4), rotate on corner sensor (5) and install preceding rocking arm (6), preceding rocking arm (6) front end sets up corner sensor two (7), rotate on corner sensor two (7) and install back rocking arm (8), back rocking arm (8) outer end rotates and installs monitoring rod anchor clamps (9), use bolt fixed mounting controller (10) on middle part support (1), be provided with fixed sleeve (11) on controller (10), centre gripping stress monitoring rod (12) in monitoring rod anchor clamps (9), through threaded connection dead lever (13) in fixed sleeve (13), install in the colliery in fixed sleeve (13) and be fixed angle monitoring device (13) when fixed sleeve (13) are fixed in rock stratum monitoring rod (13), fixed clamp splice (92) are installed through the bolt respectively at both ends on articulated slab (91), fixed clamp splice (92) both ends rotate respectively and are connected with movable clamp splice (93), be provided with on movable clamp splice (93) and press down knot (94), controller (10) can acquire the information of each corner sensor one (5), corner sensor two (7) in real time, can calculate the stress variation in the current region after the operation.
2. The rock burst control device with energy guiding function according to claim 1, wherein: a pressure sensor (120) is arranged in the stress monitoring rod (12).
3. The rock burst control device with energy guiding function according to claim 1, wherein: in the device, four groups of supporting seats (3), sensor bases (4), first rotation angle sensors (5), front rocker arms (6), second rotation angle sensors (7), rear rocker arms (8), monitoring rod clamps (9) and stress monitoring rods (12) are arranged, and the first rotation angle sensors (5) and the second rotation angle sensors (7) are electrically connected with a controller (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111198048.4A CN113818927B (en) | 2021-10-14 | 2021-10-14 | Rock burst control device with energy guiding function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111198048.4A CN113818927B (en) | 2021-10-14 | 2021-10-14 | Rock burst control device with energy guiding function |
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| Publication Number | Publication Date |
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| CN113818927A CN113818927A (en) | 2021-12-21 |
| CN113818927B true CN113818927B (en) | 2024-03-15 |
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| CN202111198048.4A Active CN113818927B (en) | 2021-10-14 | 2021-10-14 | Rock burst control device with energy guiding function |
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| CN114151080B (en) * | 2022-02-10 | 2022-04-15 | 山东省煤田地质局第五勘探队 | Underground mineral mining device and mineral analysis method |
Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2104293A (en) * | 1981-08-15 | 1983-03-02 | Harry Lambe | Pressure detector |
| DE3330802A1 (en) * | 1983-08-26 | 1985-03-14 | Bergwerksverband Gmbh, 4300 Essen | Method of estimating stresses liable to cause rock burst, and a measuring device |
| DE3337607A1 (en) * | 1983-10-15 | 1985-05-09 | Bergwerksverband Gmbh, 4300 Essen | Procedure for the early detection of the danger of rock burst and device for carrying out the procedure |
| CN201247053Y (en) * | 2008-08-19 | 2009-05-27 | 中国科学院武汉岩土力学研究所 | Apparatus for measuring rock radial strain |
| SE1000815A1 (en) * | 2010-08-04 | 2012-02-05 | Anura Terance Wickramanayake Andra Baduge | Monitoring sensor for rock bolt failure |
| CN103061781A (en) * | 2013-01-24 | 2013-04-24 | 辽宁工程技术大学 | Method for preventing rock burst by manually regulating tunnel surrounding rock support energy dissipation damping characteristics |
| CN103410565A (en) * | 2013-03-14 | 2013-11-27 | 天地科技股份有限公司 | Monitoring system and early warning method for rock burst multi-parameter process |
| WO2016019824A1 (en) * | 2014-08-04 | 2016-02-11 | 王恩元 | Multipoint coal and rock mass stress real-time monitoring device and method |
| CN105841626A (en) * | 2016-03-29 | 2016-08-10 | 华北科技学院 | Underworkings deformation monitoring device and method |
| CN106285735A (en) * | 2016-09-14 | 2017-01-04 | 安徽理工大学 | A kind of mining bracket that can monitor bump in real time |
| CN206756342U (en) * | 2017-05-05 | 2017-12-15 | 山东安达尔信息科技有限公司 | A kind of borehole stressmeter that can accurately control dynamometry direction |
| CA3033792A1 (en) * | 2016-08-16 | 2018-02-22 | National Research Council Of Canada | Methods and systems for ultrasonic rock bolt condition monitoring |
| CN208751529U (en) * | 2018-08-21 | 2019-04-16 | 中铁十九局集团第六工程有限公司 | A kind of Light deformation monitoring device |
| KR20190095813A (en) * | 2018-02-07 | 2019-08-16 | 강원대학교산학협력단 | Rock bolt system and apparatus with displacement sensor |
| WO2019192627A1 (en) * | 2018-07-13 | 2019-10-10 | 山东科技大学 | Buffer system for hydraulic support impact ground pressure resistance, and application thereof |
| CN110410151A (en) * | 2019-08-21 | 2019-11-05 | 兖州煤业股份有限公司 | A kind of coal mine rock burst method for early warning, system and its component |
| CN110541733A (en) * | 2019-09-12 | 2019-12-06 | 成都理工大学 | Rock burst disaster early warning device and method for high-ground stress tunnel |
| WO2020000990A1 (en) * | 2018-06-26 | 2020-01-02 | 山东科技大学 | Mechanical expansive type hole wall deformation sensor for hole drilling, and monitoring and using method |
| CN111456787A (en) * | 2020-04-20 | 2020-07-28 | 辽宁工程技术大学 | Surrounding rock gradient deformation monitoring device based on scour prevention anchor cable and impact early warning method |
| CN112461094A (en) * | 2020-11-30 | 2021-03-09 | 河南工程学院 | Roadway rock wall deformation angle sensor and monitoring method |
| CN112796835A (en) * | 2021-01-23 | 2021-05-14 | 孟现英 | Method for preventing and controlling rock burst of coal mine tunnel |
| CN113155048A (en) * | 2021-03-15 | 2021-07-23 | 中煤科工开采研究院有限公司 | Mine roadway deformation monitoring device and method |
| CN113250723A (en) * | 2021-05-21 | 2021-08-13 | 安徽理工大学 | Monitoring and coupling integrated protection device for rock burst of deep mine |
| CN113404523A (en) * | 2021-07-05 | 2021-09-17 | 淮北市平远软岩支护工程技术有限公司 | Rock burst monitoring system based on pressure relief blasting |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132572B (en) * | 2017-06-14 | 2023-03-10 | 四川大学 | Test platform for rock mass fracture micro-seismic test |
| CN107102352B (en) * | 2017-06-14 | 2023-03-28 | 四川大学 | Microseism monitoring system with reusable microseism sensor |
-
2021
- 2021-10-14 CN CN202111198048.4A patent/CN113818927B/en active Active
Patent Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2104293A (en) * | 1981-08-15 | 1983-03-02 | Harry Lambe | Pressure detector |
| DE3330802A1 (en) * | 1983-08-26 | 1985-03-14 | Bergwerksverband Gmbh, 4300 Essen | Method of estimating stresses liable to cause rock burst, and a measuring device |
| DE3337607A1 (en) * | 1983-10-15 | 1985-05-09 | Bergwerksverband Gmbh, 4300 Essen | Procedure for the early detection of the danger of rock burst and device for carrying out the procedure |
| CN201247053Y (en) * | 2008-08-19 | 2009-05-27 | 中国科学院武汉岩土力学研究所 | Apparatus for measuring rock radial strain |
| SE1000815A1 (en) * | 2010-08-04 | 2012-02-05 | Anura Terance Wickramanayake Andra Baduge | Monitoring sensor for rock bolt failure |
| CN103061781A (en) * | 2013-01-24 | 2013-04-24 | 辽宁工程技术大学 | Method for preventing rock burst by manually regulating tunnel surrounding rock support energy dissipation damping characteristics |
| CN103410565A (en) * | 2013-03-14 | 2013-11-27 | 天地科技股份有限公司 | Monitoring system and early warning method for rock burst multi-parameter process |
| WO2016019824A1 (en) * | 2014-08-04 | 2016-02-11 | 王恩元 | Multipoint coal and rock mass stress real-time monitoring device and method |
| CN105841626A (en) * | 2016-03-29 | 2016-08-10 | 华北科技学院 | Underworkings deformation monitoring device and method |
| CA3033792A1 (en) * | 2016-08-16 | 2018-02-22 | National Research Council Of Canada | Methods and systems for ultrasonic rock bolt condition monitoring |
| CN106285735A (en) * | 2016-09-14 | 2017-01-04 | 安徽理工大学 | A kind of mining bracket that can monitor bump in real time |
| CN206756342U (en) * | 2017-05-05 | 2017-12-15 | 山东安达尔信息科技有限公司 | A kind of borehole stressmeter that can accurately control dynamometry direction |
| KR20190095813A (en) * | 2018-02-07 | 2019-08-16 | 강원대학교산학협력단 | Rock bolt system and apparatus with displacement sensor |
| WO2020000990A1 (en) * | 2018-06-26 | 2020-01-02 | 山东科技大学 | Mechanical expansive type hole wall deformation sensor for hole drilling, and monitoring and using method |
| WO2019192627A1 (en) * | 2018-07-13 | 2019-10-10 | 山东科技大学 | Buffer system for hydraulic support impact ground pressure resistance, and application thereof |
| CN208751529U (en) * | 2018-08-21 | 2019-04-16 | 中铁十九局集团第六工程有限公司 | A kind of Light deformation monitoring device |
| CN110410151A (en) * | 2019-08-21 | 2019-11-05 | 兖州煤业股份有限公司 | A kind of coal mine rock burst method for early warning, system and its component |
| CN110541733A (en) * | 2019-09-12 | 2019-12-06 | 成都理工大学 | Rock burst disaster early warning device and method for high-ground stress tunnel |
| CN111456787A (en) * | 2020-04-20 | 2020-07-28 | 辽宁工程技术大学 | Surrounding rock gradient deformation monitoring device based on scour prevention anchor cable and impact early warning method |
| CN112461094A (en) * | 2020-11-30 | 2021-03-09 | 河南工程学院 | Roadway rock wall deformation angle sensor and monitoring method |
| CN112796835A (en) * | 2021-01-23 | 2021-05-14 | 孟现英 | Method for preventing and controlling rock burst of coal mine tunnel |
| CN113155048A (en) * | 2021-03-15 | 2021-07-23 | 中煤科工开采研究院有限公司 | Mine roadway deformation monitoring device and method |
| CN113250723A (en) * | 2021-05-21 | 2021-08-13 | 安徽理工大学 | Monitoring and coupling integrated protection device for rock burst of deep mine |
| CN113404523A (en) * | 2021-07-05 | 2021-09-17 | 淮北市平远软岩支护工程技术有限公司 | Rock burst monitoring system based on pressure relief blasting |
Non-Patent Citations (7)
| Title |
|---|
| 加锚岩体侧向冲击载荷下动力响应规律研究;吴拥政;付玉凯;郝登云;;岩石力学与工程学报(10);第2014-2024页 * |
| 地下硐室岩爆的预测及处理研究;林金洪;;水利与建筑工程学报(03);第159-163页 * |
| 深埋水工隧洞岩爆微震监测预警研究;陶磊;石亚龙;党康宁;王家明;;水利规划与设计;20200414(04);第126-131页 * |
| 煤层冲击地压防治技术现状研究;李鹏翔;;工业安全与环保(05);第44-49页 * |
| 煤矿冲击地压监测预警技术新进展;刘金海;;煤炭科学技术(06);第71-77页 * |
| 论地质构造对煤和瓦斯突出的控制作用;李东慧;张虎;赵慧;;科技传播;20100823(16);第88, 107页 * |
| 防治冲击地压的应力三向化理论研究及应用;于正兴;姜福兴;桂兵;张安元;;煤炭科学技术(07);第1-4, 52页 * |
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