CN104165982A - Multi-parameter synchronous test experimental device for coordinated exploitation of open-pit mine and underground mine - Google Patents
Multi-parameter synchronous test experimental device for coordinated exploitation of open-pit mine and underground mine Download PDFInfo
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- CN104165982A CN104165982A CN201410373392.6A CN201410373392A CN104165982A CN 104165982 A CN104165982 A CN 104165982A CN 201410373392 A CN201410373392 A CN 201410373392A CN 104165982 A CN104165982 A CN 104165982A
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Abstract
The invention relates to a multi-parameter synchronous test experimental device for coordinated exploitation of an open-pit mine and an underground mine. The experimental device comprises a recording device and an industrial control machine which are electrically connected. The device is characterized in that the recording device is further electrically connected with a stress testing system, a displacement testing system and a fast camera shooting system, wherein the stress testing system is electrically connected with a plurality of stress sensors, the displacement testing system corresponds to a plurality of optical displacement measuring points, and the fast camera shooting system corresponds to a plurality of deformation tracking measuring points. According to the invention, simulation of separate exploitation of the underground mine, separate exploitation of the open-pit mine and combined exploitation of the open-pit mine and the underground mine are realized on the slope model of a coal lithological soil material; the parameters of stress, optical displacement and deformation are acquired in virtue of the stress testing system, the displacement testing system and the fast camera shooting system, programmed on the industrial control machine and analyzed; reasonable stop line positions of the underground mine and a coordinated advancing scheme of the open-pit mine are given, and bases for guiding decisions on coordinated exploitation security of the open-pit mine are provided.
Description
Technical field
The present invention relates to outdoor and well work harmonic extraction experimental apparatus for testing, particularly outdoor and well work harmonic extraction many reference amounts synchronism detection experimental provision.
Background technology
Open coal mine safe working has become one of subject matter of mine engineering field face, especially along with the appearance of well work and outdoor unitized production with constantly advance, makes to exploit safety problem more outstanding.Opencast mining forms open slope, in recovery process, stability of slope is major control target, there is obvious stress transfer and change in displacement feature in well industrial and mineral recovery process superincumbent stratum, the motion of superincumbent stratum simultaneously produces a very large impact Stability of Open-pit Mine Slope, determine the reasonable the position of terminal mining line of well industrial and mineral and dew well coordinated promotion scheme, guarantee reveals the safety of well unitized production.At present, well industrial and mineral exploitation is mainly controlled fltting speed by test rock pressure [in mine and apart from toe distance, surface mine is controlled strip mining transformation progress by measuring side slope square position Fracture Width, surface mine and the exploitation of well industrial and mineral are separate, do not set up unified relation between the two, and Coal Mining Field also cannot be predicted the reasonable the position of terminal mining line of well industrial and mineral and dew well coordinated promotion scheme, urgent need can be at the experimental provision of the outdoor of laboratory reappearance surface mine and well industrial and mineral harmonic extraction process and well work harmonic extraction many reference amounts synchronism detection, obtain stress, optical displacement and distortion many reference amounts result, provide in advance the reasonable the position of terminal mining line of well industrial and mineral and dew well coordinated promotion scheme, to revealing well harmonic extraction, provide safely guiding decision-making foundation.
Summary of the invention
In order to overcome the deficiencies in the prior art, provide a kind of outdoor and well work harmonic extraction many reference amounts synchronism detection experimental provision.
The technical solution adopted for the present invention to solve the technical problems is: a kind of outdoor and well work harmonic extraction many reference amounts synchronism detection experimental provision, comprise that pen recorder is electrically connected to industrial computer, feature is: pen recorder is also electrically connected to respectively stress test system, displacement test system, quick camera system, stress test system is electrically connected to a plurality of strain gauges, the corresponding a plurality of optical displacement measuring points of displacement test system, measuring point is followed the trail of in corresponding a plurality of distortion of camera system fast.
Wherein: it is inner that a plurality of strain gauges are evenly embedded in coal petrography soil body material side slope model, a plurality of optical displacement measuring points are evenly arranged on coal petrography soil body material side slope model surface, and a plurality of distortion are followed the trail of measuring point and are also evenly arranged on coal petrography soil body material side slope model surface.
Wherein: coal petrography soil body material side slope model is by lithology material model on side slope model support and coal seam model-composing.
Wherein: the coal petrography soil body material of lithology material model and coal seam model is made in proportion by native aggregate, cementitious matter, water, to be made into coal petrography soil body material successively piles up on side slope model support, with hammer body, tamp, form the coal petrography soil body material side slope model in the actual mine of correspondence of two to five centimetres of thickness.
Wherein: 50-100 order silica sand for native aggregate in coal petrography soil body material side slope model, calcium carbonate, gesso for cementitious matter, side slope model support steelframe, hammer body wooden mallet.
Wherein: aggregate silica sand: cementitious matter calcium carbonate: cementitious matter gesso: water is made into by weight 40:4:1:4.5.
For better understanding is outdoor and well work harmonic extraction many reference amounts synchronism detection experimental provision, simply introduce the using method of this device below.The only pit mining of coal petrography soil body material side slope model 2 patrix endorsement forming, obtains stress, optical displacement, distortion parameter; At the coal petrography soil body material side slope model 2 patrix endorsements that form, solely have an opencast mining of, obtain stress, optical displacement, distortion parameter; On the coal petrography soil body material side slope model 2 forming, simulate outdoor and well work unitized production, obtain stress, optical displacement, distortion parameter, on industrial computer 11, programme it is analyzed, provide accordingly the reasonable the position of terminal mining line of well industrial and mineral and dew well coordinated promotion scheme, to revealing well harmonic extraction, provide safely guiding decision-making foundation.
Beneficial effect of the present invention is: on coal petrography soil body material side slope model 2, realize independent pit mining, strip mining transformation separately, outdoor and well work unitized production simulation, by stress test system 7, displacement test system 9, quick camera system 8, obtain stress, optical displacement, distortion parameter, on industrial computer 11, programme it is analyzed, provide the reasonable the position of terminal mining line of well industrial and mineral and dew well coordinated promotion scheme, to revealing well harmonic extraction, provide safely guiding decision-making foundation.
Accompanying drawing explanation
Fig. 1 structure principle chart of the present invention;
Fig. 2 application structure principle schematic of the present invention.
Embodiment
Accompanying drawing number
1. side slope model supports in figure, 2. coal petrography soil body material side slope model, 3. coal seam, 4. optical displacement measuring point, 5. strain gauge, is 6. out of shape and follows the trail of measuring point, 7. stress test system, 8. quick camera system, 9. displacement test system, 10. pen recorder, 11. industrial computers.
Embodiment mono-
Referring to Fig. 1, Fig. 2, a kind of outdoor and well work harmonic extraction many reference amounts synchronism detection experimental provision, comprise that pen recorder 10 is electrically connected to industrial computer 11, feature is: pen recorder 10 is also electrically connected to respectively stress test system 7, displacement test system 9, quick camera system 8, stress test system 7 is electrically connected to a plurality of strain gauges 5, the corresponding a plurality of optical displacement measuring points 4 of displacement test system 9, measuring point 6 is followed the trail of in the corresponding a plurality of distortion of camera system 8 fast.
Wherein: a plurality of strain gauges 5 are evenly embedded in coal petrography soil body material side slope model 2 inside, a plurality of optical displacement measuring points 4 are evenly arranged on coal petrography soil body material side slope model 2 surfaces, and a plurality of distortion are followed the trail of measuring point 6 and are also evenly arranged on coal petrography soil body material side slope model 2 surfaces.
Embodiment bis-
Referring to Fig. 1, Fig. 2, a kind of outdoor and well work harmonic extraction many reference amounts synchronism detection experimental provision, comprise that pen recorder 10 is electrically connected to industrial computer 11, feature is: pen recorder 10 is also electrically connected to respectively stress test system 7, displacement test system 9, quick camera system 8, stress test system 7 is electrically connected to a plurality of strain gauges 5, the corresponding a plurality of optical displacement measuring points 4 of displacement test system 9, measuring point 6 is followed the trail of in the corresponding a plurality of distortion of camera system 8 fast.
Wherein: a plurality of strain gauges 5 are evenly embedded in coal petrography soil body material side slope model 2 inside, a plurality of optical displacement measuring points 4 are evenly arranged on coal petrography soil body material side slope model 2 surfaces, and a plurality of distortion are followed the trail of measuring point 6 and are also evenly arranged on coal petrography soil body material side slope model 2 surfaces.
Wherein: coal petrography soil body material side slope model 2 is by lithology material model on side slope model support 1 and coal seam 3 model-composings.
Embodiment tri-
Referring to Fig. 1, Fig. 2, a kind of outdoor and well work harmonic extraction many reference amounts synchronism detection experimental provision, comprise that pen recorder 10 is electrically connected to industrial computer 11, feature is: pen recorder 10 is also electrically connected to respectively stress test system 7, displacement test system 9, quick camera system 8, stress test system 7 is electrically connected to a plurality of strain gauges 5, the corresponding a plurality of optical displacement measuring points 4 of displacement test system 9, measuring point 6 is followed the trail of in the corresponding a plurality of distortion of camera system 8 fast.
Wherein: a plurality of strain gauges 5 are evenly embedded in coal petrography soil body material side slope model 2 inside, a plurality of optical displacement measuring points 4 are evenly arranged on coal petrography soil body material side slope model 2 surfaces, and a plurality of distortion are followed the trail of measuring point 6 and are also evenly arranged on coal petrography soil body material side slope model 2 surfaces.
Wherein: the coal petrography soil body material of lithology material model and coal seam 3 models is made in proportion by native aggregate, cementitious matter, water, to be made into coal petrography soil body material successively piles up on side slope model support 1, with wooden mallet, tamp, form the coal petrography soil body material side slope model 2 in the actual mine of correspondence of two centimetres of thickness.
Wherein: 50 order silica sands for native aggregate in coal petrography soil body material side slope model 2, calcium carbonate, gesso for cementitious matter, side slope model support 1 use steelframe.
Embodiment tetra-
Referring to Fig. 1, Fig. 2, a kind of outdoor and well work harmonic extraction many reference amounts synchronism detection experimental provision, comprise that pen recorder 10 is electrically connected to industrial computer 11, feature is: pen recorder 10 is also electrically connected to respectively stress test system 7, displacement test system 9, quick camera system 8, stress test system 7 is electrically connected to a plurality of strain gauges 5, the corresponding a plurality of optical displacement measuring points 4 of displacement test system 9, measuring point 6 is followed the trail of in the corresponding a plurality of distortion of camera system 8 fast.
Wherein: a plurality of strain gauges 5 are evenly embedded in coal petrography soil body material side slope model 2 inside, a plurality of optical displacement measuring points 4 are evenly arranged on coal petrography soil body material side slope model 2 surfaces, and a plurality of distortion are followed the trail of measuring point 6 and are also evenly arranged on coal petrography soil body material side slope model 2 surfaces.
Wherein: coal petrography soil body material side slope model 2 is by lithology material model on side slope model support 1 and coal seam 3 model-composings.
Wherein: the coal petrography soil body material of lithology material model and coal seam 3 models is made in proportion by native aggregate, cementitious matter, water, to be made into coal petrography soil body material successively piles up on side slope model support 1, with hammer body, tamp, form the coal petrography soil body material side slope model 2 in the actual mine of correspondence of five centimetres of thickness.
Embodiment five
Referring to Fig. 1, Fig. 2, a kind of outdoor and well work harmonic extraction many reference amounts synchronism detection experimental provision, comprise that pen recorder 10 is electrically connected to industrial computer 11, feature is: pen recorder 10 is also electrically connected to respectively stress test system 7 for YJZ-32A type digital strainometer, displacement test system 9 are XJTUDP type three-dimensional optical Digital Photogrammetric System, camera system 8 is digital speckle monitoring system fast, stress test system 7 is electrically connected to a plurality of strain gauges 5, the corresponding a plurality of optical displacement measuring points 4 of displacement test system 9, measuring point 6 is followed the trail of in the corresponding a plurality of distortion of camera system 8 fast.
Wherein: a plurality of strain gauge 5 use BW-5 models, evenly be embedded in coal petrography soil body material side slope model 2 inside, a plurality of optical displacement measuring points 4 are arranged on coal petrography soil body material side slope model 2 surfaces according to 50 centimetres of spacing, and a plurality of distortion are followed the trail of measuring point 6 and are also evenly arranged on coal petrography soil body material side slope model 2 surfaces.
Wherein: coal petrography soil body material side slope model 2 is by lithology material model on side slope model support 1 and coal seam 3 model-composings.
Wherein: the coal petrography soil body material of lithology material model and coal seam 3 models is made in proportion by native aggregate, cementitious matter, water, to be made into coal petrography soil body material successively piles up on side slope model support 1, with hammer body, tamp, form the coal petrography soil body material side slope model 2 in the actual mine of correspondence of three centimetres of thickness.
Wherein: 100 order silica sands for native aggregate in coal petrography soil body material side slope model 2, calcium carbonate, gesso for cementitious matter, side slope model support 1 use steelframe, hammer body wooden mallet.
Embodiment six
Referring to Fig. 1, Fig. 2, a kind of outdoor and well work harmonic extraction many reference amounts synchronism detection experimental provision, comprise that pen recorder 10 is electrically connected to industrial computer 11, feature is: it is that YJZ-32A type digital strainometer, displacement test system 9 are XJTUDP type three-dimensional optical Digital Photogrammetric System, quick camera system 8 that pen recorder 10 is also electrically connected to respectively stress test system 7, stress test system 7 is electrically connected to a plurality of strain gauges 5, the corresponding a plurality of optical displacement measuring points 4 of displacement test system 9, measuring point 6 is followed the trail of in the corresponding a plurality of distortion of camera system 8 fast.
Wherein: a plurality of strain gauge 5 use BW-5 models, evenly be embedded in coal petrography soil body material side slope model 2 inside, a plurality of optical displacement measuring points 4 are arranged on coal petrography soil body material side slope model 2 surfaces according to 100 centimetres of spacing, and a plurality of distortion are followed the trail of measuring point 6 and are also evenly arranged on coal petrography soil body material side slope model 2 surfaces.
Wherein: coal petrography soil body material side slope model 2 is by lithology material model on side slope model support 1 and coal seam 3 model-composings.
Wherein: the coal petrography soil body material of lithology material model and coal seam 3 models is by 100 order silica sands for native aggregate, calcium carbonate and gesso for cementitious matter, water is aggregate silica sand by weight proportion: cementitious matter calcium carbonate: cementitious matter gesso: water=40:4:1:4.5 is made into, by being made into coal petrography soil body material, successively pile up on the steelframe of side slope model support 1, with wooden mallet, tamp, form the coal petrography soil body material side slope model 2 in the actual mine of correspondence of two centimetres of thickness, its intensity is cohesive strength C=0.125MPa, internalfrictionangleφ=18 °, elastic modulus E=15MPa, Poisson ratio=0.42, tensile strength=0.0125MPa.
Stress test system 7 and displacement test system 9 gather respectively strain data, optical displacement measuring point data, the displacement of measuring point is followed the trail of in distortion can test slope deforming process, especially sprout, grow, expand, break and slide in slope rock mass crack, test gained strain data is multiplied by elasticity modulus of materials and obtains rock stress, the variation of optical displacement measuring point contrast before and after seam mining, obtain optical displacement, slope deforming obtains slope rock mass distortion after following the trail of measuring point changes in coordinates, obtains thus stress, optical displacement, distortion parameter.
The only pit mining of coal petrography soil body material side slope model 2 patrix endorsement forming, obtains stress, optical displacement, distortion parameter; At the coal petrography soil body material side slope model 2 patrix endorsements that form, solely have an opencast mining of, obtain stress, optical displacement, distortion parameter; On the coal petrography soil body material side slope model 2 forming, simulate outdoor and well work unitized production, obtain stress, optical displacement, distortion parameter, on industrial computer 11, programme it is analyzed, provide accordingly the reasonable the position of terminal mining line of well industrial and mineral and dew well coordinated promotion scheme, to revealing well harmonic extraction, provide safely guiding decision-making foundation.
Claims (10)
1. outdoor and well work harmonic extraction many reference amounts synchronism detection experimental provision, comprise that pen recorder is electrically connected to industrial computer, be characterised in that: pen recorder is also electrically connected to respectively stress test system, displacement test system, quick camera system, stress test system is electrically connected to a plurality of strain gauges, the corresponding a plurality of optical displacement measuring points of displacement test system, measuring point is followed the trail of in corresponding a plurality of distortion of camera system fast.
2. a kind of outdoor and well work harmonic extraction many reference amounts synchronism detection experimental provision according to claim 1, be characterised in that: it is inner that a plurality of strain gauges are evenly embedded in coal petrography soil body material side slope model, a plurality of optical displacement measuring points are evenly arranged on coal petrography soil body material side slope model surface, and a plurality of distortion are followed the trail of measuring point and are also evenly arranged on coal petrography soil body material side slope model surface.
3. a kind of outdoor and well work harmonic extraction many reference amounts synchronism detection experimental provision according to claim 1, is characterised in that: coal petrography soil body material side slope model is by lithology material model on side slope model support and coal seam model-composing.
4. a kind of outdoor and well work harmonic extraction many reference amounts synchronism detection experimental provision according to claim 2, is characterised in that: coal petrography soil body material side slope model is by lithology material model on side slope model support and coal seam model-composing.
5. a kind of outdoor and well work harmonic extraction many reference amounts synchronism detection experimental provision according to claim 2, be characterised in that: the coal petrography soil body material of lithology material model and coal seam model is made in proportion by native aggregate, cementitious matter, water, to be made into coal petrography soil body material successively piles up on side slope model support, with hammer body, tamp, form the coal petrography soil body material side slope model in the actual mine of correspondence of two to five centimetres of thickness.
6. a kind of outdoor and well work harmonic extraction many reference amounts synchronism detection experimental provision according to claim 3, be characterised in that: the coal petrography soil body material of lithology material model and coal seam model is made in proportion by native aggregate, cementitious matter, water, to be made into coal petrography soil body material successively piles up on side slope model support, with hammer body, tamp, form the coal petrography soil body material side slope model in the actual mine of correspondence of two to five centimetres of thickness.
7. a kind of outdoor and well work harmonic extraction many reference amounts synchronism detection experimental provision according to claim 4, be characterised in that: the coal petrography soil body material of lithology material model and coal seam model is made in proportion by native aggregate, cementitious matter, water, to be made into coal petrography soil body material successively piles up on side slope model support, with hammer body, tamp, form the coal petrography soil body material side slope model in the actual mine of correspondence of two to five centimetres of thickness.
8. a kind of outdoor and well work harmonic extraction many reference amounts synchronism detection experimental provision according to claim 6, be characterised in that: 50-100 order silica sand for native aggregate in coal petrography soil body material side slope model, calcium carbonate, gesso for cementitious matter, side slope model support steelframe, hammer body wooden mallet.
9. a kind of outdoor and well work harmonic extraction many reference amounts synchronism detection experimental provision according to claim 7, be characterised in that: 50-100 order silica sand for native aggregate in coal petrography soil body material side slope model, calcium carbonate, gesso for cementitious matter, side slope model support steelframe, hammer body wooden mallet.
10. according to a kind of outdoor and well work harmonic extraction many reference amounts synchronism detection experimental provision described in claim 5-9 any one, be characterised in that: aggregate silica sand: cementitious matter calcium carbonate: cementitious matter gesso: water is made into by weight 40:4:1:4.5.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115628959A (en) * | 2022-12-21 | 2023-01-20 | 西南交通大学 | Model slope manufacturing and model test method for simulating slope shear strength weakening |
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| CN103399139A (en) * | 2013-08-02 | 2013-11-20 | 中国地质大学（武汉） | Test method and test system used for model of transferring open pit mining into underground mining |
| CN204101551U (en) * | 2014-07-31 | 2015-01-14 | 煤科集团沈阳研究院有限公司 | Outdoor with well work harmonic extraction many reference amounts synchronism detection experimental provision |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103399139A (en) * | 2013-08-02 | 2013-11-20 | 中国地质大学（武汉） | Test method and test system used for model of transferring open pit mining into underground mining |
| CN204101551U (en) * | 2014-07-31 | 2015-01-14 | 煤科集团沈阳研究院有限公司 | Outdoor with well work harmonic extraction many reference amounts synchronism detection experimental provision |
Non-Patent Citations (1)
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| 宋卫东等: "深凹露天转地下开采高陡边坡变形与破坏规律", 《北京科技大学学报》, vol. 32, no. 2, 28 February 2010 (2010-02-28), pages 145 - 151 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115628959A (en) * | 2022-12-21 | 2023-01-20 | 西南交通大学 | Model slope manufacturing and model test method for simulating slope shear strength weakening |
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Application publication date: 20141126 |