CN106526133A - Large three-dimensional dynamic load mineral similar material physical test platform - Google Patents
Large three-dimensional dynamic load mineral similar material physical test platform Download PDFInfo
- Publication number
- CN106526133A CN106526133A CN201611140107.1A CN201611140107A CN106526133A CN 106526133 A CN106526133 A CN 106526133A CN 201611140107 A CN201611140107 A CN 201611140107A CN 106526133 A CN106526133 A CN 106526133A
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- backboard
- dynamic load
- test platform
- material physical
- simulative
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- 239000000463 material Substances 0.000 title claims abstract description 24
- 229910052500 inorganic mineral Inorganic materials 0.000 title abstract description 4
- 239000011707 mineral Substances 0.000 title abstract description 4
- 239000011435 rock Substances 0.000 claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003245 coal Substances 0.000 claims abstract description 16
- 238000004088 simulation Methods 0.000 claims description 29
- 241000681094 Zingel asper Species 0.000 claims description 16
- 238000005065 mining Methods 0.000 claims description 11
- 238000009412 basement excavation Methods 0.000 claims description 10
- 230000000875 corresponding Effects 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 230000003068 static Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 239000000945 filler Substances 0.000 description 3
- 238000003325 tomography Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- -1 Colophonium Substances 0.000 description 1
- 229920000126 Latex Polymers 0.000 description 1
- 206010068052 Mosaicism Diseases 0.000 description 1
- 210000003765 Sex Chromosomes Anatomy 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
Abstract
The invention provides a large three-dimensional dynamic load mineral similar material physical test platform. A square structure is encircled by a front baffle, two side baffles, a back baffle, and an upper end face between a top plate and a substrate; a simulative rock layer is filled in the square structure, and a simulative laneway is arranged in the simulative rock layer along the cross direction; one end of the simulative laneway is provided with a simulative coal layer, and the other end is connected to the outer part of the front baffle; a mini sized coal cutter is arranged in the simulative laneway, and a high-speed camera is arranged on the mini sized coal cutter; outsides of the baffle and the top plate are further provided with supporting parts; jacks are distributed at the outsides of the side baffles, the back baffle and the top plate, and the bases of the jacks are fixed on the supporting part. The manufacturing and application of the existed experimental platform are mainly concentrated on the two-dimensional similar material physical simulative test and the three-dimensional static load similar material physical simulative test; a part of dynamic load test platform is hard to carry out for being influenced by the source of the dynamic load, and the experimental study is influenced. The invention belongs to the mineral disaster study field.
Description
Technical field
The present invention relates to a kind of mining analog material physical test stage apparatus of large-scale three dimensional dynamic load, belong to mine disaster and grind
Study carefully field.
Background technology
At present, with the development of mineral industry, mine disaster happens occasionally and condition is increasingly complex changeable, to this problem
Research is also deepening continuously, and traditional theory and experience show slightly not enough, due to complexity, the multiformity of disaster, in addition scene sight
The limitation of survey allows to carry out the research method that physical simulation experiment becomes important, reproduction to accident, theoretical analysis and total
Have important assosting effect.
For the making and application of current analog material Physical Experiment platform focus primarily upon the analog material thing of two dimension
Based on the simulation test with similar mat-erial test of reason simulation test and three-dimensional static load, dynamic test platform in part is originated by dynamic load
(detonator, explosive by control class etc.) is affected to be difficult to apply, so the research work of Physical Experiment is affected.
The content of the invention
It is an object of the invention to：There is provided a kind of large-scale three dimensional dynamic load mining analog material physical test platform, to solve
The making of existing analog material Physical Experiment platform and application focus primarily upon the simulation test with similar mat-erial test of two dimension and
The simulation test with similar mat-erial test of three-dimensional static load, part dynamic test platform are affected to be difficult to apply by dynamic load source, are affected
The problem of experimentation.
To solve the above problems, intend using the mining analog material physical test platform of such a large-scale three dimensional dynamic load, bag
Include pedestal, on pedestal, be vertically provided with front apron, two side shields and backboard, front apron, side shield and backboard it is upper
Side is provided between top board, and front apron, two side shields, backboard and top boards and the upper surface of pedestal and encloses squarely knot
Filled with simulation rock stratum in structure, the square structure for being enclosed, simulation within the rock is horizontally arranged with simulation tunnel, simulates tunnel
One end is provided with simulation coal seam, and the other end is communicated to the outside of front apron, and simulation is provided with miniature coal-winning machine in tunnel, miniature to adopt
Coal machine provides certain impulsive force to simulate dynamic load, and high-speed camera, the baffle plate and top board are additionally provided with miniature cutting coal machine
Outside be additionally provided with supporting part, the outside distribution of two side shields, backboard and top boards is provided with jack, the bottom of jack
Seat is fixed on supporting part, and the working end of jack holds out against and is arranged on corresponding side shield, backboard and top board.
In afore-mentioned test platform, simulation within the rock is provided with strain gauge and strain transducer, to monitor and to regulate and control
The force of jack；
In afore-mentioned test platform, work surface is additionally provided with the outside of the access adit that tunnel is simulated on front apron and excavates baffle plate, work
Make face excavate baffle plate on just to simulate tunnel access adit at be provided with can opening type roadway excavation baffle plate；
In afore-mentioned test platform, jack is equally spacedly distributed the outside for being arranged at side shield, backboard and top board, and thousand
Jin top is perpendicular with corresponding side shield, backboard or top board；
In afore-mentioned test platform, it is between pedestal, front apron, side shield, backboard and top board and is tightly connected, on pedestal
The filling pipe for being communicated to simulation rock stratum is additionally provided with, filling pipe is used for the Physical Experiment for studying mine water disaster；
In afore-mentioned test platform, flexible rubber between jack and side shield, backboard and top board, is additionally provided with, is made very heavy
Top operationally can synchronzed press, and the work such as compacting layering when contributing to model filler, for some importance studies matchmaker
Body or rock stratum adopt pre-manufactured model block mode, and strain or the optical fiber of correlation are pasted on pre-designed pre-manufactured model block surface
Deng sensor, the pre-manufactured model block for then being bondd above using binding agent again becomes complete rock stratum or coal seam.
Compared with prior art, the exploitation that more really can be simulated under three-dimensional Under Dynamic Load of the invention, roadway support etc.
The disaster problem of basic problem and simple geological conditions, can also reproduce the generation of some accidents, single compared to existing
Experiment porch has more preferable comprehensive, verity and reliability, and the reproduction to accident, theoretical analysis and summary have extremely
Important effect.
Description of the drawings
Fig. 1 is the side structure schematic view of the present invention；
Fig. 2 is the main structure diagram of the present invention.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
Embodiment：
See figures.1.and.2, the mining analog material physical test platform of a kind of large-scale three dimensional dynamic load that the present embodiment is provided,
Including pedestal 1, on pedestal 1, be vertically provided with 2, two side shields 3 of front apron and backboard 4, front apron 2, side shield 3 and after
The top of baffle plate 4 is provided with top board 5, and the upper surface of 2, two side shields 3 of front apron, backboard 4 and top board 5 and pedestal 1 it
Between enclose square structure, filled with simulation rock stratum 8 in the square structure for being enclosed, in simulation rock stratum 8, is provided with stress sensing
Device 13 and strain transducer 14, to monitor and regulate and control the force of jack, are horizontally arranged with simulation tunnel in simulation rock stratum 8
9, the one end for simulating tunnel 9 is provided with simulation coal seam 10, and the other end is communicated to the outside of front apron 2, is provided with simulation tunnel 9
Miniature coal-winning machine 11, miniature coal-winning machine 11 provide certain impulsive force to simulate dynamic load, are additionally provided with height on miniature cutting coal machine 11
The outside of fast video camera 12, the baffle plate and top board 5 is additionally provided with supporting part 6, two side shields 3, backboard 4 and top boards 5
Outside distribution is provided with jack 7, and the base of jack 7 is fixed on supporting part 6, and the working end of jack 7 holds out against and is arranged at
On corresponding side shield 3, backboard 4 and top board 5, it is additionally provided between jack 7 and side shield 3, backboard 4 and top board 5
Flexible rubber, jack 7 are equally spacedly distributed the outside for being arranged at side shield 3, backboard 4 and top board 5, and jack 7 and institute
Corresponding side shield 3, backboard 4 or top board 5 are perpendicular.
It is between pedestal 1, front apron 2, side shield 3, backboard 4 and top board 5 and is tightly connected, is additionally provided with pedestal 1
It is communicated to the filling pipe 17 of simulation rock stratum 8；
Work surface is additionally provided with the outside of the access adit that tunnel 9 is simulated on front apron 2 and excavates baffle plate 15, work surface excavates baffle plate
On 15 just to simulate tunnel 9 access adit at be provided with can opening type roadway excavation baffle plate 16.
During research stability of the roadway sex chromosome mosaicism, after design, filler, pressurization are stable, overlying rock, in front and back, and or so
The pressure that the jack 7 in three directions applies is different, so closer to real working condition；Open in simulation tunnel 9
The quantitative excavation rock mass under the propulsion of hydraulic cylinder of miniature coal-winning machine 11 during digging, and it is regular logical according to design
Crossing hydraulic cylinder and impact bar being controlled to the certain impulsive force of simulation 9 work surface of tunnel applying, now high-speed camera 12 is by under shooting
Roof and floor, two help and work surface rock crushing situation, this design can Under Dynamic Load that preferably excavation simulation causes,
For the change of rock mass under research Under Dynamic Load has good assosting effect, high-speed camera 12 will catch lower Under Dynamic Load next week
The complete situation of country rock body；The waste material of excavation is cleaned out by vacuum cleaner；Coal, rock mass ess-strain situation will by stress and should
Become sensor collection data, finishing analysis confirm the experimental program of next step at any time；The steps such as supporting, slip casting can be using excavation
Punching afterwards is installed, and connects monitoring system of stress and strain in anchor pole etc., and installs change of the photographic head shooting after supporting
And the contrast of different support patterns, can effectively compare the quality of supporting scheme；In addition for tomography, karst post, old sky
The problem of water and water-bearing zone can add the waterproof materials such as Colophonium, paraffin in experiment material, jack 7 and flexible rubber it
Between using latex connection sealing.
During research stope mine pressing problem, after design, filler, pressurization are stable, overlying rock, in front and back, and or so three
The pressure that the jack 7 in individual direction applies is different, so closer to real working condition；Advance in coal-face
During the quantitative excavation coal body under the propulsion of hydraulic cylinder of miniature coal-winning machine 11, and pass through according to design is regular
Hydraulic cylinder controls impact bar and applies certain impulsive force to work surface, and now high-speed camera 12 will shoot lower roof and floor, coal column
And the rock crushing situation of work surface, this design can Under Dynamic Load that preferably excavation simulation causes, it is dynamic for research
The change of the lower roof and floor of load effect and work surface coal body has good assosting effect, can preferably simulate actual production shape
State, high-speed camera 12 will catch the situation of change of lower roof and floor, coal column and work surface；The waste material of excavation is cleared up by vacuum cleaner
Totally；Coal, the ess-strain situation of rock mass will collect data by stress and strain transducer, and finishing analysis confirm next step at any time
Experimental program；With the propulsion of work surface, photographic head detection top board change is installed in goaf；For in addition for tomography etc.
Change can be made in experiment material and form tomography medium.
Claims (6)
1. the mining analog material physical test platform of a kind of large-scale three dimensional dynamic load, it is characterised in that：Including pedestal (1), pedestal (1)
On be vertically provided with front apron (2), two side shields (3) and backboard (4), front apron (2), side shield (3) and backboard
(4) top board (5), and front apron (2), two side shields (3), backboard (4) and top boards (5) and pedestal (1) are provided with above
Upper surface between enclose square structure, filled with simulation rock stratum (8) in the square structure for being enclosed, in simulation rock stratum (8)
Simulation tunnel (9) is horizontally arranged with, the one end for simulating tunnel (9) is provided with simulation coal seam (10), and the other end is communicated to front
The outside of plate (2), is provided with miniature coal-winning machine (11) in simulation tunnel (9), is additionally provided with takes the photograph on miniature coal-winning machine (11) at a high speed
Supporting part (6), two side shields (3), backboard (4) and tops are additionally provided with the outside of camera (12), the baffle plate and top board (5)
The outside distribution of plate (5) is provided with jack (7), and the base of jack (7) is fixed on supporting part (6), the work of jack (7)
Hold out against as end and be arranged on corresponding side shield (3), backboard (4) and top board (5).
2. the mining analog material physical test platform of a kind of large-scale three dimensional dynamic load according to claim 1, it is characterised in that：Mould
Intend being provided with strain gauge (13) and strain transducer (14) in rock stratum (8).
3. the mining analog material physical test platform of a kind of large-scale three dimensional dynamic load according to claim 1, it is characterised in that：Before
Work surface is additionally provided with the outside of the access adit that tunnel (9) are simulated on baffle plate (2) and excavates baffle plate (15), work surface excavates baffle plate (15)
On just to simulate tunnel (9) access adit at be provided with can opening type roadway excavation baffle plate (16).
4. the mining analog material physical test platform of a kind of large-scale three dimensional dynamic load according to claim 1, it is characterised in that：Thousand
Jin top (7) is equally spacedly distributed the outside for being arranged at side shield (3), backboard (4) and top board (5), and jack (7) is right with institute
Side shield (3), backboard (4) or the top board (5) answered is perpendicular.
5. the mining analog material physical test platform of a kind of large-scale three dimensional dynamic load according to claim 1, it is characterised in that：Base
Seat (1), it is between front apron (2), side shield (3), backboard (4) and top board (5) and is tightly connected, pedestal is also set up on (1)
There is the filling pipe (17) for being communicated to simulation rock stratum (8).
6. the mining analog material physical test platform of a kind of large-scale three dimensional dynamic load according to claim 1, it is characterised in that：Thousand
Flexible rubber is additionally provided between jin top (7) and side shield (3), backboard (4) and top board (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611140107.1A CN106526133A (en) | 2016-12-08 | 2016-12-08 | Large three-dimensional dynamic load mineral similar material physical test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611140107.1A CN106526133A (en) | 2016-12-08 | 2016-12-08 | Large three-dimensional dynamic load mineral similar material physical test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106526133A true CN106526133A (en) | 2017-03-22 |
Family
ID=58341784
Family Applications (1)
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| CN201611140107.1A Pending CN106526133A (en) | 2016-12-08 | 2016-12-08 | Large three-dimensional dynamic load mineral similar material physical test platform |
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Cited By (10)
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|---|---|---|---|---|
| CN107014673A (en) * | 2017-06-11 | 2017-08-04 | 贵州大学 | A kind of three-dimensional dynamic loading loads large-scale equivalent material simulating platform |
| CN107037197A (en) * | 2017-06-12 | 2017-08-11 | 贵州大学 | A kind of mining analog material two-dimensional analog pilot system |
| CN107121536A (en) * | 2017-04-26 | 2017-09-01 | 河南理工大学 | Drilling observation system in overlying strata crack in a kind of three-dimensional similar material simulation experiment |
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| CN110593953A (en) * | 2019-09-06 | 2019-12-20 | 绍兴文理学院 | Device and method for testing impact resistance characteristic of roadway support system under simulated rock burst condition |
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| CN113075043A (en) * | 2021-03-19 | 2021-07-06 | 北京科技大学 | Device and method for whole dynamic pregnancy disaster evolution process of deeply-buried rock mass engineering |
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