CN104237019B - Coal mine dynamic disaster Multi-parameter coupling determinator - Google Patents
Coal mine dynamic disaster Multi-parameter coupling determinator Download PDFInfo
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- CN104237019B CN104237019B CN201410445309.1A CN201410445309A CN104237019B CN 104237019 B CN104237019 B CN 104237019B CN 201410445309 A CN201410445309 A CN 201410445309A CN 104237019 B CN104237019 B CN 104237019B
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Abstract
Coal mine dynamic disaster Multi-parameter coupling determinator, relates to a kind of coal mine dynamic disaster determinator.Can realistic simulation underground coal mine dynamic disaster generation environment, surrouding rock stress, gas pressure when Accurate Determining dynamic disaster occurs.Two synchronous loading hydraulic cylinders of Vertical dimension and high pressure resistant rigidity closed shell upper and lower surface are connected, and two Vertical dimension synchronous loading hydraulic cylinder cylinder bars are connected with the briquetting one be arranged in high pressure resistant rigidity closed shell; Two levels are connected to synchronous loading hydraulic cylinder cylinder body and high pressure resistant rigidity closed shell left and right lateral surface, and two levels are connected to synchronous loading hydraulic cylinder cylinder bar and the briquetting two be arranged in high pressure resistant rigidity closed shell; Two Vertical dimension synchronous loading hydraulic cylinder cylinder body rodless cavities are communicated with two pillar plug hydraulic cylinder one cylinder bodies by two pipelines one, and two levels are communicated with two pillar plug hydraulic cylinder two cylinder bodies to synchronous loading hydraulic cylinder cylinder body rodless cavity by two pipelines two.The present invention is used for coal mine dynamic disaster parametric measurement.
Description
Technical field
The present invention relates to a kind of coal mine dynamic disaster determinator.
Background technology
Mining of deep mine dynamic disaster Forming Mechanism is complicated, and risk factor is numerous.Mine motive force disaster and coal petrography physico-mechanical properties closely related, relevant with factors such as ground temperature, ocurrence of coal seam and tectonic structures, be the coefficient result of the factor such as terrestrial stress and gas pressure.
Existing coal mine dynamic disaster index testing device mainly comprises country rock dynamic disaster proving installation and coal and gas prominent proving installation.Country rock dynamic disaster proving installation mainly uses rock mechanics test macro, and coal and gas prominent proving installation is mainly used in gas pressure index when test dynamic disaster occurs.Two kinds of proving installations are separate, index parameter is uncorrelated mutually, surrouding rock stress, gas pressure and temperature parameter can not be measured to the index parameter under the acting in conjunction of dynamic disaster, the various factors coupling mechanism that dynamic disaster occurs can not be disclosed, be difficult to test mine motive force disaster, monitor.
Summary of the invention
The object of this invention is to provide a kind of coal mine dynamic disaster Multi-parameter coupling determinator, it can realistic simulation underground coal mine dynamic disaster occur environment, surrouding rock stress, gas pressure when Accurate Determining dynamic disaster occurs, Data support is provided, for dynamic disaster monitoring and warning provides index parameter for setting up dynamic disaster various factors coupling monitoring and warning model.
Realize above-mentioned purpose, the technical scheme that the present invention takes is:
Coal mine dynamic disaster Multi-parameter coupling determinator, it comprises high pressure resistant rigidity closed shell, pressure unit, sealing loading hydraulic cylinder, gas charging system, control system one, control system two, two synchronous loading hydraulic cylinders of Vertical dimension, two levels to synchronous loading hydraulic cylinder, two pillar plug hydraulic cylinders, one, two pillar plug hydraulic cylinders, two, two briquettings one and two briquettings two; High pressure resistant rigidity closed shell horizontal positioned, high pressure resistant rigidity closed shell inner chamber is sealed gas chamber, the cylinder body of two synchronous loading hydraulic cylinders of Vertical dimension is connected with the upper surface of high pressure resistant rigidity closed shell and lower surface respectively, and the cylinder bar of two synchronous loading hydraulic cylinders of Vertical dimension is coaxially arranged, the cylinder bar of two synchronous loading hydraulic cylinders of Vertical dimension is all arranged in high pressure resistant rigidity closed shell, and the cylinder bar outer end of the synchronous loading hydraulic cylinder of each Vertical dimension is all connected with a briquetting one; Two levels are connected with the left outside side of high pressure resistant rigidity closed shell and right outside side respectively to the cylinder body of synchronous loading hydraulic cylinder, and two levels are coaxially arranged to the cylinder bar of synchronous loading hydraulic cylinder, two levels are all arranged in high pressure resistant rigidity closed shell to the cylinder bar of synchronous loading hydraulic cylinder, and each level is all connected with a briquetting two to the cylinder bar outer end of synchronous loading hydraulic cylinder; The rodless cavity of two Vertical dimension synchronous loading hydraulic cylinder cylinder bodies to be communicated with the cylinder body of two pillar plug hydraulic cylinders one respectively by two pipelines one and to form airtight cavity one, hydraulic oil is full of in cavity one, two plungers of two pillar plug hydraulic cylinders one are connected, and the synchronization action of two plungers of two pillar plug hydraulic cylinders one is realized by control system one; Two levels to be communicated with the cylinder body of two pillar plug hydraulic cylinders two respectively by two pipelines two to the rodless cavity of synchronous loading hydraulic cylinder cylinder body and to form airtight cavity two, hydraulic oil is full of in cavity two, two plungers of two pillar plug hydraulic cylinders two are connected, and the synchronization action of two plungers of two pillar plug hydraulic cylinders two is realized by control system two; The leading flank of high pressure resistant rigidity closed shell offers hermatic door, and the cylinder body of sealing loading hydraulic cylinder is vertical with the trailing flank of high pressure resistant rigidity closed shell to be connected, and the cylinder bar of sealing loading hydraulic cylinder is arranged in high pressure resistant rigidity closed shell; Test specimen is positioned in high pressure resistant rigidity closed shell, and test specimen leading flank is processed with a center pit, and the pressure head coupling of pressure unit is arranged in the center pit of test specimen, and the Displaying Meter of pressure unit is arranged on high pressure resistant rigidity closed shell outside; Gas charging system is communicated with by the sealed gas chamber of loading line with high pressure resistant rigidity closed shell; Control system one and control system two are servo electromagnetic valve.
Beneficial effect of the present invention is:
Under coal mine dynamic disaster Multi-parameter coupling determinator of the present invention is mainly used in simulation well, dynamic disaster is inclined to critical regions coal petrography environment, can be implemented in line test stress and gas pressure, for subsequent analysis stress, gas pressure provide important index parameter to the dynamic disaster various factors coupling mechanism of action and coal rock dynamic disaster mechanism of Evolution, provide Data support for setting up dynamic disaster various factors coupling monitoring and warning model.
Accompanying drawing explanation
Fig. 1 is coal mine dynamic disaster Multi-parameter coupling assay device structures schematic diagram of the present invention;
Fig. 2 is coal mine dynamic disaster Multi-parameter coupling determinator stereographic map of the present invention.
Component names disclosed in figure and label are:
Gas charging system 1, level are to synchronous loading hydraulic cylinder 2, test specimen 3, control system 24, control system 1, sealed gas chamber 6, high pressure resistant rigidity closed shell 7, sealing loading hydraulic cylinder 8, pressure unit 9, hermatic door 10, the synchronous loading hydraulic cylinder 11 of Vertical dimension, pillar plug hydraulic cylinder 1, pillar plug hydraulic cylinder 2 13, briquetting 1, briquetting 2 15, pipeline 1, pipeline 2 17, loading line 18, lead frame 19.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1 and Figure 2, coal mine dynamic disaster Multi-parameter coupling determinator, it comprises high pressure resistant rigidity closed shell 7, pressure unit 9, sealing loading hydraulic cylinder 8, gas charging system 1, control system 1, control system 24, two synchronous loading hydraulic cylinders of Vertical dimension 11, two levels to synchronous loading hydraulic cylinder 2, two pillar plug hydraulic cylinders one 12, two pillar plug hydraulic cylinders 2 13, two briquettings 1 and two briquettings 2 15;
High pressure resistant rigidity closed shell 7 horizontal positioned, high pressure resistant rigidity closed shell 7 inner chamber is sealed gas chamber 6, the cylinder body of two synchronous loading hydraulic cylinders of Vertical dimension 11 is connected with the upper surface of high pressure resistant rigidity closed shell 7 and lower surface respectively, and the cylinder bar of two synchronous loading hydraulic cylinders 11 of Vertical dimension is coaxially arranged, the cylinder bar of two synchronous loading hydraulic cylinders of Vertical dimension 11 is all arranged in high pressure resistant rigidity closed shell 7, and the cylinder bar outer end of the synchronous loading hydraulic cylinder 11 of each Vertical dimension is all connected with a briquetting 1;
Two levels are connected with the left outside side of high pressure resistant rigidity closed shell 7 and right outside side respectively to the cylinder body of synchronous loading hydraulic cylinder 2, and two levels are coaxially arranged to the cylinder bar of synchronous loading hydraulic cylinder 2, two levels are all arranged in high pressure resistant rigidity closed shell 7 to the cylinder bar of synchronous loading hydraulic cylinder 2, and each level is all connected with a briquetting 2 15 to the cylinder bar outer end of synchronous loading hydraulic cylinder 2;
The rodless cavity of two Vertical dimension synchronous loading hydraulic cylinder 11 cylinder bodies to be communicated with the cylinder body of two pillar plug hydraulic cylinders 1 respectively by two pipelines 1 and to form airtight cavity one, hydraulic oil is full of in cavity one, two plungers of two pillar plug hydraulic cylinders 1 are connected, under external force, along axis direction together moving linearly, drive two synchronous loading hydraulic cylinders 11 of Vertical dimension to do Linear Synchronous motion thus, the displacement of motion is equal, and direction is contrary; During loading, ensure that pressurized test specimen 3 geometric center lines invariant position, the synchronization action of two plungers of two pillar plug hydraulic cylinders 1 is realized by control system 1;
Two levels to be communicated with the cylinder body of two pillar plug hydraulic cylinders 2 13 respectively by two pipelines 2 17 to the rodless cavity of synchronous loading hydraulic cylinder 2 cylinder body and to form airtight cavity two, hydraulic oil is full of in cavity two, two plungers of two pillar plug hydraulic cylinders 2 13 are connected, under external force, along axis direction together moving linearly, drive two levels to do Linear Synchronous motion to synchronous loading hydraulic cylinder 2 thus, the displacement of motion is equal, and direction is contrary; During loading, ensure that pressurized test specimen 3 geometric center lines invariant position, the synchronization action of two plungers of two pillar plug hydraulic cylinders 2 13 is realized by control system 24;
The leading flank of high pressure resistant rigidity closed shell 7 offers hermatic door 10, the cylinder body of sealing loading hydraulic cylinder 8 is vertical with the trailing flank of high pressure resistant rigidity closed shell 7 to be connected, the cylinder bar of sealing loading hydraulic cylinder 8 is arranged in high pressure resistant rigidity closed shell 7, sealing loading hydraulic cylinder 8 is placed on rear side of high pressure resistant rigidity closed shell 7, be used for test specimen 3 to be close to front sealing door 10, prevent internal gas from leaking;
Test specimen 3 is positioned in high pressure resistant rigidity closed shell 7, an inflatable chamber is formed between the trailing flank of test specimen 3 and high pressure resistant rigidity closed shell 7, space is left between test specimen 3 and high pressure resistant rigidity closed shell 7 leading flank, test specimen 3 leading flank is processed with a center pit, the pressure head coupling of pressure unit 9 is arranged in the center pit of test specimen 3, the Displaying Meter of pressure unit 9 is arranged on high pressure resistant rigidity closed shell 7 outside, and use pressure unit 9 to measure force value, force measurement error is not more than 5%.In order to prevent test specimen 3 test specimen 3 corner when pressurizeing first broken, sharp process to be carried out in the corner of test specimen 3 when preparing test specimen 3.Be tightly connected between pressure unit 9 and high pressure resistant rigidity closed shell 7 sidewall; Gas charging system 1 is communicated with by the sealed gas chamber 6 of loading line 18 with high pressure resistant rigidity closed shell 7.
High pressure resistant rigidity closed shell 7 is forged steel pieces, is bearing vertical force 5000kN(20% impact shock power) under the air pressure of pulling force, horizontal force 5000kN and inner 10MPa, there is not obvious distortion, do not produce leakage.
Two synchronous loading hydraulic cylinders 11 of Vertical dimension are the piston type loading hydraulic cylinder of 5000kN, are controlled by control system 1, and by the action of two pillar plug hydraulic cylinders 1, make the synchronous loading hydraulic cylinder 11 of Vertical dimension can do loading 20% impact shock; Two levels are the piston type loading hydraulic cylinder of 5000kN to synchronous loading hydraulic cylinder 2; The vertical force of 5000kN and the horizontal force of 5000kN can be applied respectively or simultaneously to test specimen 3; The geometric configuration of two synchronous loading hydraulic cylinders of Vertical dimension 11, measure-alike, symmetric coaxial is installed, synchronous relative motion; Two levels are to the geometric configuration, measure-alike of synchronous loading hydraulic cylinder 2, and symmetric coaxial is installed, synchronous relative motion.The geometric configuration of two pillar plug hydraulic cylinders 1, measure-alike, the airtight oil pocket volume Hydraulic Oil Specification model that is identical, filling that formed of loading hydraulic cylinder 11 synchronous with Vertical dimension is identical separately for they, and condition of work is also identical.The geometric configuration of two pillar plug hydraulic cylinders 2 13, measure-alike, Hydraulic Oil Specification model that is identical with the airtight oil pocket volume that level is formed to synchronous loading hydraulic cylinder 2, filling is identical separately for they, and condition of work is also identical.
Described high pressure resistant rigidity closed shell 7 is supported by lead frame 19.
Described high pressure resistant rigidity closed shell 7 is square housing, and length × wide × height=600 × 600 × 600mm of high pressure resistant rigidity closed shell 7, can bear 3600kN power.
Control system 1 and control system 24 are servo electromagnetic valve, are outsourcing piece; The model of pressure unit 9 is CYB3051, is manufactured by Beijing Science and Technology Ltd. of Wei Site Air China.
In the present invention, high pressure resistant rigidity closed shell 7 have rigidity high, be out of shape the features such as little, good stability, it adopts steel-casting, the synchronous loading hydraulic cylinder 11 of Vertical dimension of two 5000kN is installed outside top and bottom, the level of two 5000kN is installed to synchronous loading hydraulic cylinder 2 at left and right lateral surface, vertical force and the impact shock power of 20%, the horizontal force of 5000kN of 5000kN can be applied to test specimen 3 respectively or simultaneously.Under the air pressure bearing 5000kN pulling force and inner 10MPa, obviously distortion must not be there is or leak.That is, this high pressure resistant rigidity closed shell 7 must bear the pulling force of 10000kN.
the course of work:as shown in Figure 1 and Figure 2, first test specimen 3 is placed in high pressure resistant rigidity closed shell 7, then closes hermatic door 10.Contact with the briquetting 1 that the cylinder bar outer end of two synchronous loading hydraulic cylinders 11 of Vertical dimension is connected with test specimen 3 upper and lower surface; By the briquetting 2 15 that is connected to the cylinder bar outer end of synchronous loading hydraulic cylinder 2 with two levels left and right surface contact with test specimen 3; Next by sealing loading hydraulic cylinder 8 by test specimen 3 and hermatic door 10 close contact, sealing is guaranteed.Gas charging system 1(can produce the air pressure of 10MPa) inflate in high pressure resistant rigidity closed shell 7, then test specimen 3 is loaded in level or vertical direction respectively, or both direction loads simultaneously.The force value detected is shown by the Displaying Meter of pressure unit 9.
The mensuration of surrouding rock stress is by both direction up and down and/or the loading of left and right both direction simultaneously to test specimen 3, and obtained by the Displaying Meter display of pressure unit 9; The mensuration of gas pressure is that the gaseous tension passed into is applied on test specimen 3 by ventilating in sealed gas chamber 6, and obtained by the Displaying Meter display of pressure unit 9.The detection of surrouding rock stress and the detection of gas pressure can be carried out simultaneously.
In process of the test, the gas penetration potential of test specimen 3 can be detected by the gas transmitter 9 be positioned in test specimen 3 center pit, and also by placing strain detector, test specimen 3 microstrain under external force can be detected.
performance parameter
1) loading hydraulic cylinder load capability: level can in level to loading 5MN to synchronous loading hydraulic cylinder 2; The synchronous loading hydraulic cylinder 11 of Vertical dimension can load 5MN at Vertical dimension, can add 20% impact shock power simultaneously; Sealing loading hydraulic cylinder 8 can load 1000kN before backward.Utilize pressure transmitter measurement power, degree of accuracy 5%.
2) loading hydraulic cylinder (comprising the synchronous loading hydraulic cylinder of Vertical dimension 11, level to synchronous loading hydraulic cylinder 2 and sealing loading hydraulic cylinder 8) translational speed is 20mm/min; Hydraulic cylinder travel 50mm; Speeds control degree of accuracy 2%FS.
3) charge pressure ratings: 10MPa;
4) high pressure resistant rigidity closed shell 7: withstand voltage 10MPa carries 5MN acting force simultaneously;
5) gas charging system pressure 10MPa;
6) high pressure resistant rigidity closed shell 7 weight 4.6 tons (complete machine general assembly (TW) 15 tons), does not need ground project installation, can change test site, lifting conveniently moving;
7) loading hydraulic cylinder synchronous mode: power is synchronous, displacement synchronous; When ensureing that test specimen loads, geometric center is constant, synchronization accuracy 1%FS.
Claims (3)
1. a coal mine dynamic disaster Multi-parameter coupling determinator, is characterized in that: it comprises high pressure resistant rigidity closed shell (7), pressure unit (9), sealing loading hydraulic cylinder (8), gas charging system (1), control system one (5), control system two (4), two synchronous loading hydraulic cylinders of Vertical dimension (11), two levels to synchronous loading hydraulic cylinder (2), two pillar plug hydraulic cylinders, one (12), two pillar plug hydraulic cylinders, two (13), two briquettings one (14) and two briquettings two (15), high pressure resistant rigidity closed shell (7) horizontal positioned, high pressure resistant rigidity closed shell (7) inner chamber is sealed gas chamber (6), the cylinder body of two synchronous loading hydraulic cylinders of Vertical dimension (11) is connected with the upper surface of high pressure resistant rigidity closed shell (7) and lower surface respectively, and the cylinder bar of two synchronous loading hydraulic cylinders of Vertical dimension (11) is coaxially arranged, the cylinder bar of two synchronous loading hydraulic cylinders of Vertical dimension (11) is all arranged in high pressure resistant rigidity closed shell (7), the cylinder bar outer end of the synchronous loading hydraulic cylinder of each Vertical dimension (11) is all connected with a briquetting one (14), two levels are connected with the left outside side of high pressure resistant rigidity closed shell (7) and right outside side respectively to the cylinder body of synchronous loading hydraulic cylinder (2), and two levels are coaxially arranged to the cylinder bar of synchronous loading hydraulic cylinder (2), two levels are all arranged in high pressure resistant rigidity closed shell (7) to the cylinder bar of synchronous loading hydraulic cylinder (2), and each level is all connected with a briquetting two (15) to the cylinder bar outer end of synchronous loading hydraulic cylinder (2), the rodless cavity of two the synchronous loading hydraulic cylinder of Vertical dimension (11) cylinder bodies to be communicated with the cylinder body of two pillar plug hydraulic cylinders one (12) respectively by two pipelines one (16) and to form airtight cavity one, hydraulic oil is full of in cavity one, two plungers of two pillar plug hydraulic cylinders one (12) are connected, and the synchronization action of two plungers of two pillar plug hydraulic cylinders one (12) is realized by control system one (5), two levels to be communicated with the cylinder body of two pillar plug hydraulic cylinders two (13) respectively by two pipelines two (17) to the rodless cavity of synchronous loading hydraulic cylinder (2) cylinder body and to form airtight cavity two, hydraulic oil is full of in cavity two, two plungers of two pillar plug hydraulic cylinders two (13) are connected, and the synchronization action of two plungers of two pillar plug hydraulic cylinders two (13) is realized by control system two (4), the leading flank of high pressure resistant rigidity closed shell (7) offers hermatic door (10), the cylinder body of sealing loading hydraulic cylinder (8) is vertical with the trailing flank of high pressure resistant rigidity closed shell (7) to be connected, and the cylinder bar of sealing loading hydraulic cylinder (8) is arranged in high pressure resistant rigidity closed shell (7), test specimen (3) is positioned in high pressure resistant rigidity closed shell (7), test specimen (3) leading flank is processed with a center pit, the pressure head coupling of pressure unit (9) is arranged in the center pit of test specimen (3), and the Displaying Meter of pressure unit (9) is arranged on high pressure resistant rigidity closed shell (7) outside, gas charging system (1) is communicated with by the sealed gas chamber (6) of loading line (18) with high pressure resistant rigidity closed shell (7), control system one (5) and control system two (4) are servo electromagnetic valve.
2. coal mine dynamic disaster Multi-parameter coupling determinator according to claim 1, is characterized in that: described high pressure resistant rigidity closed shell (7) is supported by lead frame (19).
3. coal mine dynamic disaster Multi-parameter coupling determinator according to claim 1 and 2, it is characterized in that: described high pressure resistant rigidity closed shell (7) is square housing, length × wide × height=600 × 600 × 600mm of high pressure resistant rigidity closed shell (7).
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| CN108303514B (en) * | 2018-01-30 | 2019-10-11 | 清华大学 | It is a kind of for simulating the experimental rig of coal mine underground enclosure space |
| CN111077017A (en) * | 2019-12-30 | 2020-04-28 | 黑龙江科技大学 | Unilateral uninstallation coal seam gas outburst analogue means |
| CN111307625B (en) * | 2020-03-05 | 2022-09-27 | 安徽理工大学 | Device and method for simulating composite dynamic disaster in coal mine deep mining |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2191377C2 (en) * | 2000-09-12 | 2002-10-20 | Берман Александр Валерианович | Method determining residual service life of mechanical systems under nondestructive analysis of response of acoustic emission |
| CN101576458A (en) * | 2009-06-08 | 2009-11-11 | 中国矿业大学(北京) | Geomechanics test platform for water invasion regularity of mine |
| CN102297749A (en) * | 2011-08-05 | 2011-12-28 | 青岛市兰青环保工程有限公司 | Comprehensive test device for air tightness and water pressure resistance of mining mobile escape capsule |
| CN103018108A (en) * | 2012-12-14 | 2013-04-03 | 山东科技大学 | Device for testing bearing capacity of base plate |
| WO2014037350A1 (en) * | 2012-09-04 | 2014-03-13 | Teijin Aramid B.V. | Method for non-destructive testing of synthetic ropes and rope suitable for use therein |
| CN203705269U (en) * | 2013-12-02 | 2014-07-09 | 安徽理工大学 | Coal mine old mined-out area caving zone fractured rock mass secondary deformation compression simulation experiment device |
| CN204008318U (en) * | 2014-09-03 | 2014-12-10 | 黑龙江科技大学 | Colliery dynamic disaster Multi-parameter coupling determinator |
-
2014
- 2014-09-03 CN CN201410445309.1A patent/CN104237019B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2191377C2 (en) * | 2000-09-12 | 2002-10-20 | Берман Александр Валерианович | Method determining residual service life of mechanical systems under nondestructive analysis of response of acoustic emission |
| CN101576458A (en) * | 2009-06-08 | 2009-11-11 | 中国矿业大学(北京) | Geomechanics test platform for water invasion regularity of mine |
| CN102297749A (en) * | 2011-08-05 | 2011-12-28 | 青岛市兰青环保工程有限公司 | Comprehensive test device for air tightness and water pressure resistance of mining mobile escape capsule |
| WO2014037350A1 (en) * | 2012-09-04 | 2014-03-13 | Teijin Aramid B.V. | Method for non-destructive testing of synthetic ropes and rope suitable for use therein |
| CN103018108A (en) * | 2012-12-14 | 2013-04-03 | 山东科技大学 | Device for testing bearing capacity of base plate |
| CN203705269U (en) * | 2013-12-02 | 2014-07-09 | 安徽理工大学 | Coal mine old mined-out area caving zone fractured rock mass secondary deformation compression simulation experiment device |
| CN204008318U (en) * | 2014-09-03 | 2014-12-10 | 黑龙江科技大学 | Colliery dynamic disaster Multi-parameter coupling determinator |
Non-Patent Citations (1)
| Title |
|---|
| 煤与瓦斯突出模拟试验台的研制与应用;许江等;《岩石力学与工程学报》;20081130;第27卷(第11期);第2354-2362页 * |
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