CN108732024A - Simulate the pilot system and test method of differently stress condition lower plate gushing water - Google Patents
Simulate the pilot system and test method of differently stress condition lower plate gushing water Download PDFInfo
- Publication number
- CN108732024A CN108732024A CN201810491680.XA CN201810491680A CN108732024A CN 108732024 A CN108732024 A CN 108732024A CN 201810491680 A CN201810491680 A CN 201810491680A CN 108732024 A CN108732024 A CN 108732024A
- Authority
- CN
- China
- Prior art keywords
- plate
- load
- water
- vertical
- loading device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000010998 test method Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 48
- 238000012360 testing method Methods 0.000 claims abstract description 39
- 238000004088 simulation Methods 0.000 claims abstract description 20
- 238000002474 experimental method Methods 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000003491 array Methods 0.000 claims abstract description 3
- 239000003245 coal Substances 0.000 claims description 17
- 238000012800 visualization Methods 0.000 claims description 8
- 238000009412 basement excavation Methods 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000011161 development Methods 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims description 3
- 238000013401 experimental design Methods 0.000 claims description 2
- 230000006378 damage Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000011160 research Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000009172 bursting Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 239000012237 artificial material Substances 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000010429 evolutionary process Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
Abstract
The invention discloses a kind of pilot systems and test method for simulating differently stress condition lower plate gushing water, belong to Water Inrush equivalent material simulating field.Its pilot system includes testing stand, vertical loading device, displacement-pressurized hydraulic servo double-control apparatus, hydraulic pressure-water dynamic servo double-control apparatus, control-data acquisition device and side hydraulic hierarchical loading device, wherein side hydraulic hierarchical loading device includes side hydraulic cylinder and hierarchical loading plate, it is connected to form a hierarchical loading mechanism per the corresponding side hydraulic cylinder of block-grading load plate, hierarchical loading mechanism close-packed arrays from bottom to top, independent hierarchical loading can be carried out according to actual conditions to corresponding region by loading time stage load maintainer, to realize that the lateral gradient to similar material model loads.The present invention can realize flexible load, to avoid contacting firmly to the damage of experiment material dynamic impulsion and vertical, lateral pressure head, can preferably realize the simulation of geological structure.
Description
Technical field
The present invention relates to Water Inrush equivalent material simulating fields, and in particular to a kind of to simulate differently stress condition bottom
The pilot system and test method of plate gushing water.
Background technology
Adopting in mining activity induces stope sill deformation, destruction or geological structure activation, forms water guide in the soleplate
Channel, and then the dynamic disaster phenomenon for causing high-pressure water to pour in exploitation space along this channel is known as Water Inrush.In recent years
China's Water Inrush Frequent Accidents, seriously threaten the safety in production of mine, cause huge economic loss and casualties.With
The continuous increase of mining depth, coal seam bottom water bursting frequency and intensity constantly increase, and how safely and efficiently to exploit by bottom plate
The coal resources that artesian water threatens are still the project paid close attention to and inquired into coal production and scientific research.
Currently, the domestic research in relation to Water Inrush problem focuses mostly on theory analysis and numerical simulation, and achieve
Great successes, disclose the basic inherent law of Water Inrush mechanism, and one is provided for the safety and high efficiency of coal resources
Fixed scientific basis, however, the process of coal seam bottom water bursting is a complexity, non-equilibrium, nonlinear evolutionary process, it is geology
The effect of many factors such as condition, construction, stress field of the surrounding rock and artesian water as a result, to rely solely on theoretical research, numerical simulation difficult
To carry out reliable verification analysis, there are still some shortcomings.Relative to theory analysis and numerical simulation, equivalent material simulating examination
It tests with artificial material similar with natural rock physico-mechanical properties, using the practical geological environment in mine as prototype, according to certain
Science scale smaller makes model, then carries out excavation simulation in a model, is existing to further look at coal seam floor failure rule
Field prototype provides certain reference frame.
Research in currently available technology in terms of Water Inrush pilot system and method mainly has：
CN102360087A discloses " a kind of for simulating the pilot system and method for adopting coal seam bottom water bursting ", packet
Test stand is included, and longitudinal load maintainer is provided at the top of the test stand, horizontally disposed add is provided on longitudinal load maintainer
Support plate is respectively arranged with lateral load maintainer at left and right sides of the test stand, and the lateral load maintainer of both sides is arranged in opposite directions, laterally
A side plate arranged vertically is provided on load maintainer, load plate is pressed in the top of side plate.However, the pilot system cannot achieve
Flexibility load to analog material, loading direction are excessively single.
105093962 A of CN disclose " a kind of bidirectional flexible loading system of the three-dimensional seam mining testing stand of simulation and side
Method " is simulated the three-dimensional of coal seam by grid type airbag apparatus after inflation and is loaded, the equipment to the quality requirement of air bag compared with
Height, when experiment, need to convey gas, cumbersome, complex process into each unit air bag.
The above-mentioned prior art, which is not implemented, loads the lateral stepwise gradient flexibility of analog material, can not simulate subterranean strata
Residing true stress environment and stress state, it is often more important that existing equipment mostly fails to realize that lateral loading device classification adds
It carries, can not preferably realize the simulation of geological structure, meanwhile, loading device control system is simple, and it is dynamic to cannot achieve load
State loads and real-time control.
Invention content
In order to solve above-mentioned defect existing in the prior art, the present invention proposes a kind of simulate under differently stress condition
The pilot system and test method of Water Inrush, wherein adding by using the load of vertical subregion flexibility and lateral stepwise gradient flexibility
It carries, can realize that flexible load avoids damaging experiment material dynamic impulsion and vertical, lateral pressure head contacts firmly, can preferably realize
The simulation of geological structure.
One of the task of the present invention is to provide a kind of pilot system for simulating differently stress condition lower plate gushing water.
Which employs following technical solutions：
A kind of pilot system of simulation differently stress condition lower plate gushing water comprising testing stand, vertical loading device,
Displacement-pressurized hydraulic servo double-control apparatus, hydraulic pressure-water dynamic servo double-control apparatus and control-data acquisition device, it is described
Vertical loading device is located at the top of the testing stand；
Further include side hydraulic hierarchical loading device, the side hydraulic hierarchical loading device is arranged in the testing stand
Both sides, and the two is arranged in opposite directions, wherein each side hydraulic hierarchical loading device includes side hydraulic cylinder and hierarchical loading
Plate, the hierarchical loading plate are provided with four pieces from bottom to top, are connected per the corresponding side hydraulic cylinder of block-grading load plate
Connect to form a hierarchical loading mechanism, hierarchical loading mechanism close-packed arrays from bottom to top, load time stage load maintainer can to pair
The region answered carries out independent hierarchical loading, to realize that the lateral gradient to similar material model loads；In every block-grading load plate
It is both provided with flexible gasket with the contact surface of similar material model；
The vertical loading device includes the vertical hydraulic cylinder of two subregion load plates and corresponding connection, described
Vertical hydraulic cylinder for applying identical or different vertical stress to corresponding subregion load plate, in each subregion load plate
It is both provided with flexible water bladder with the contact surface of similar material model, to realize that the flexibility of vertical stress is evenly distributed with constant load；
The vertical loading device is also associated with vertical load guiding constraint device, is filled to the Plumb load with realizing
The constraint set；
The testing stand front and rear sides is provided with visualization baffle, the visualization baffle, positioned at lateral classification
Load plate and the experimental cabin that a receiving similar material model is formed between the subregion load plate at top and the bottom plate of testing stand；
The permeable region for being provided with a sink on the bottom plate of the testing stand and being connected with the sink, described is saturating
Water area periphery is provided with rubber pocket, and during experiment, the similar material model and the rubber pocket in experimental cabin are tight
Contiguity is touched；The sink is connected with the hydraulic pressure-water dynamic servo double-control apparatus；
The side hydraulic cylinder, vertical hydraulic cylinder are connected with the displacement-pressurized hydraulic servo double-control apparatus；
The displacement-pressurized hydraulic servo double-control apparatus, hydraulic pressure-water dynamic servo double-control apparatus with the control
System-data acquisition device is connected.
As a preferred solution of the present invention, each subregion load front edge of board is provided with vulcanie protrusion shovel board.
As another preferred embodiment of the present invention, threaded hole, institute are provided on the column of the both sides of the testing stand
The visualization baffle stated is connected by bolt and threaded hole on column；The visualization baffle is by tempered glass material
It is made.
Further, the flexible gasket is equipped with pressure sensor device.
Further, the flexible gasket is equipped with pressure sensor device, the vertical loading device, side hydraulic
Hierarchical loading device is loaded by programming, and when pressure sensing value is more than dangerous values, is monitored by the pressure sensor device,
And the side hydraulic hierarchical loading device stops load.
Further, it is open-type groove-like structure in the rear end of each subregion load plate.
Another task of the present invention is to provide a kind of test method of simulation differently stress condition lower plate gushing water, according to
It is secondary to include the following steps：
A is laid with analog material,
According to the analog material of actual condition of mines design each component ratio, by the uniformly mixed similar material reconciled
Material, which is placed in experimental cabin, to be laid with and is compacted, and phantom thicknesses are determined by experimental design similar proportion；
B loads and water filling,
According to actual stress distribution situation suffered by simulated formation and floor strata Water-bearing Characteristics, by vertical loading device and
Side hydraulic hierarchical loading device carries out vertical subregion load and lateral hierarchical loading to similar material model respectively, according to difference
Experiment demand, to hanging down, lateral load plate real-time programming controls, while by hydraulic pressure-water dynamic servo double-control apparatus to testing stand
Constant high pressure water is injected in the sink of bottom；
C excavation simulations simultaneously acquire information,
Manual simulation's excavation is carried out to the coal seam part of similar material model and opens control-data acquisition device, at any time
Record the displacement information between base sheet stresses information, hydraulic pressure information, bottom plate water percolating capacity and top plate, coal seam and bottom plate；Simultaneously
By the development and the Evolution that visualize the conduit pipe of baffle observation testing stand bottom base panel.
Advantageous effects caused by the present invention are：
Pilot system of the present invention can realize the load of lateral gradient flexibility, real-time control and the programming Control to analog material,
And hydraulic pressure and water are monitored in real time by monitoring device, with more preferable simulation, differently stress condition Water Inrush is existing
As to carry out further research and discussion to mechanism, feature, rule of coal seam bottom water bursting etc..
The present invention simulates in the test method of different stress condition lower plate gushing waters, by comparing according to certain in Laboratory Module
Example is successively laid with the analog material of simulation coal measure strata containing construction, flexible using the load of vertical subregion flexibility and lateral stepwise gradient
Load can realize that flexible load avoids damaging experiment material dynamic impulsion and vertical, lateral pressure head contacts firmly.It hangs down, laterally add
It carries to set and can realize real-time programming control according to different tests purpose, can be according to requirement of experiment, adjustment in real time during testing
It hangs down, lateral stress, under the coupling factors such as different stress fields, dynamic load and earthquake in creative simulation recovery process
Caused by influence of the stress real-time change to Water Inrush.Corresponding monitoring of software can be coordinated simultaneously, realized to stress, pore water
Pressure, water and the real-time monitoring of displacement, modelling effect is precise and stable, can simulate geological process in recovery process, dynamic load
The influence of the stress real-time change to Water Inrush caused by other factors such as effect, rock stress field when occurring for Water Inrush,
The research of the mechanism of Evolution of displacement field and conduit pipe provides strong scientific experimentation foundation.
Description of the drawings
The present invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is the overall structure diagram of pilot system of the present invention；
Fig. 2 is the structural schematic diagram of side hydraulic hierarchical loading working state of device of the present invention；
Fig. 3 is simulated Geological model figure when pilot system of the present invention is tested；
In figure, 1, testing stand, 2, vertical hydraulic cylinder, 3, subregion load plate, 4, flexible water bladder, 5, vertically load guiding constraint
Device, 6, side hydraulic cylinder, 7, hierarchical loading plate, 8, flexible gasket, 9, sink, 10, experimental cabin, 11, hydraulic pressure-water dynamic watches
Take double-control apparatus, 12, displacement-pressurized hydraulic servo double-control apparatus, 13, control-data acquisition device, 14, column, 15, geology
Construction, 16, shovel board.
Specific implementation mode
The present invention proposes a kind of pilot system and test method for simulating differently stress condition lower plate gushing water, in order to
Keep advantages of the present invention, technical solution clearer, clear, elaborates to the present invention with reference to specific embodiment.
As shown in Figure 1, a kind of pilot system for simulating differently stress condition lower plate gushing water of the present invention, including experiment
Platform, vertical loading device, displacement-pressurized hydraulic servo double-control apparatus 12, hydraulic pressure-water dynamic servo double-control apparatus 11, control-
Data acquisition device 13 and side hydraulic hierarchical loading device, wherein displacement-pressurized hydraulic servo double-control apparatus 12, hydraulic pressure-water
Amount dynamic servo double-control apparatus 11,13 concrete structure of control-data acquisition device can be realized referring to the prior art, below to this
The main improvement side hydraulic hierarchical loading device and vertical loading device of invention elaborate.
Testing stand 1 of the present invention is the frame-shaped construction formed by bottom plate, top plate, left side plate and front and back panel, left and right
Column 14 on side plate is coordinated by threaded hole bolt to be connect with front and back panel, and front and back panel is to be visualized to keep off by several high intensity
Plate arranges that the visual baffle of preferred high strength is made of tempered glass material, to facilitate more intuitive observation experiment phenomenon.
Side hydraulic hierarchical loading device is respectively set on left side plate, and positioned at the side hydraulic of arranged on left and right sides point
Grade loading device is oppositely arranged, side hydraulic hierarchical loading device of the present invention, with lateral loading device structure in the prior art
Difference is specifically included in conjunction with shown in Fig. 2：Side hydraulic cylinder 6 and hierarchical loading plate 7, hierarchical loading plate 7 are arranged from bottom to top
There are four pieces, is connected to form a hierarchical loading mechanism, hierarchical loading per the corresponding side hydraulic cylinder 6 of block-grading load plate 7
Mechanism arranges in gradient from bottom to top, to realize that the lateral gradient to similar material model loads；Every block-grading load plate 7 with
The contact surface of similar material model is both provided with flexible gasket 8；Each side hydraulic cylinder 6 can be to corresponding hierarchical loading plate
7 apply different lateral stress to realize the lateral gradient load to similar material model.In 7 preposition small rigid of hierarchical loading plate
Rubber bumps shovel board 16, bottom plate residual gravel influences when avoiding applying lateral stress.
Hierarchical loading plate 7 is side open-type groove-like structure, is in close contact between plate and plate, efficiently avoids testing
The side leakage of analog material in journey, flexible gasket 8 can realize that lateral stress is evenly distributed with constant load, can realize that flexible load avoids pair
Experiment material dynamic impulsion damages.It is preferred that above-mentioned flexible gasket assembling pressure sensing device, the energy when pressure value is more than dangerous values
Enough be automatically stopped, the lateral pressure head that avoids hanging down contacts firmly, lateral hierarchical loading by hydraulic control, convenient for control and loading accuracy compared with
It is high.Hierarchical loading plate 7 can calculate and apply corresponding oil pressure according to the different lateral pressure situations for surveying area are surveyed, to simulate
Non- uniformly distributed lateral pressure caused by being influenced with buried depth or construction.
Above-mentioned vertical loading device can be applied different according to different buried depth using criterion of similarity in equivalent material simulating
Oil pressure, for simulating different buried depth vertical crustal stress variation comprising two subregion load plates 3 and corresponding connection
Vertical hydraulic cylinder 2, vertical hydraulic cylinder 2 can also apply for applying identical vertical stress to corresponding subregion load plate 3
Different vertical stress carries out shearing force testing, is both provided in each subregion load plate 3 and the contact surface of similar material model
Flexible water bladder 4, to realize that the flexibility of vertical stress is evenly distributed with constant load；
In order to further improve the performance of the present invention, above-mentioned vertical loading device is also associated with vertical load and is oriented to about
Bundle device 5 overcomes and pressure plate lateral deviation easily occurs without guider in the prior art, so as to cause the unbalanced disadvantage of stress compensation
End, and substantially increase loading accuracy；Load plate bottom is disposed with flexible water bladder 4, realizes that the flexibility of vertical stress is uniformly distributed constant
Load.
Visualize baffle, the subregion load plate positioned at lateral hierarchical loading plate and positioned at top and testing stand bottom plate it
Between form an experimental cabin 10 for accommodating similar material model, the length, width and height of test cabin 10 are preferably respectively 1.5m, 0.6m, 1.2m,
The permeable region for being provided with a sink 9 on the bottom plate of testing stand and being connected with sink, permeable area peripheral edge are provided with rubber
Capsule, during experiment, the similar material model being located in experimental cabin is in close contact with rubber pocket, greatly improves its sealing performance.
Sink 9 is connected with hydraulic pressure-water dynamic servo double-control apparatus；Side hydraulic cylinder, vertical hydraulic cylinder with displacement-pressure
Power hydraulic servo double-control apparatus is connected, and displacement-pressurized hydraulic servo double-control apparatus, hydraulic pressure-water dynamic servo double-control apparatus are equal
With control-data acquisition device is connected.
Above-mentioned vertical loading device, side hydraulic hierarchical loading device can also realize programming load, can be according to reality
Requirement is tested, the vertical lateral stress of adjustment in real time during experiment is arranged the direction of motion according to test requirements document by control system and (stretches out
Or retract), movement velocity, target, reach the holding situation after target, to simulate geological process in recovery process, dynamic load
Influence of the stress real-time change to Water Inrush caused by the other factors such as effect.
As shown in figure 3, the present invention also provides a kind of test method for simulating differently stress condition Water Inrush,
It mainly includes the following steps that：
A. the laying of analog material：The similar material of solid-liquid coupling according to actual condition of mines design each component ratio
Material, the uniformly mixed analog material reconciled is placed in die device and is laid with and is compacted, phantom thicknesses are by testing
It designs similar proportion to determine, is followed successively by bottom plate, geological structure 15, coal seam and top plate from bottom to top, while on the bottom plate of model
Lower section laying sensor is several, and the installation high intensity rigid baffle before and after testing stand；
B. load and water filling：According to actual stress distribution situation suffered by simulated formation to model carry out the load of vertical subregion and
Lateral hierarchical loading controls vertical, lateral load plate real-time programming, it is dynamic to open simultaneously hydraulic pressure-water according to different tests demand
State servo double-control apparatus 11 injects constant high pressure water to 1 bottom sink 9 of testing stand；
C. excavation simulation and information is acquired：Manual simulation's excavation is carried out to the coal seam part of scale model and opens control-
Data collecting system 13 records base sheet stresses information, hydraulic pressure information, bottom plate water percolating capacity and top plate, coal seam and bottom plate position in real time
The information such as shifting.Observe development and the Evolution of bottom plate conduit pipe with high-definition camera by the visual baffle in front side simultaneously.
The part that do not addressed in the present invention uses or uses for reference prior art and can be realized.
Although more having used herein such as vertically loads guiding constraint device 5, side hydraulic cylinder 6, hierarchical loading
The terms such as plate 7, flexible gasket 8, but it does not preclude the possibility of using other terms.The use of these items is only for more square
Just the essence of the present invention is described and explained；Being construed as any one of the additional limitations all is disagreed with spirit of that invention
The back of the body.
It should be further noted that specific embodiment described herein is only to made by spirit of the invention
It illustrates.Those skilled in the art can make various modifications to described specific embodiment
Or supplement or substitute by a similar method, however, it does not deviate from the spirit of the invention or surmounts the appended claims determines
The range of justice.
Claims (7)
1. a kind of pilot system for simulating differently stress condition lower plate gushing water comprising testing stand, vertical loading device, position
Shifting-pressurized hydraulic servo double-control apparatus, hydraulic pressure-water dynamic servo double-control apparatus and control-data acquisition device, described hangs down
It is located at the top of the testing stand to loading device；It is characterized in that：
Further include side hydraulic hierarchical loading device, the side hydraulic hierarchical loading device is arranged in the two of the testing stand
Side, and the two is arranged in opposite directions, wherein each side hydraulic hierarchical loading device includes side hydraulic cylinder and hierarchical loading plate,
The hierarchical loading plate is provided with four pieces from bottom to top, and be connected shape per the corresponding side hydraulic cylinder of block-grading load plate
At a hierarchical loading mechanism, hierarchical loading mechanism close-packed arrays from bottom to top, load time stage load maintainer can be to institute
Corresponding region carries out independent hierarchical loading, to realize that the lateral gradient to similar material model loads；It is loaded in every block-grading
The contact surface of plate and similar material model is both provided with flexible gasket；
The vertical loading device includes the vertical hydraulic cylinder of two subregion load plates and corresponding connection, and described hangs down
To hydraulic cylinder for applying identical or different vertical stress to corresponding subregion load plate, in each subregion load plate and phase
It is both provided with flexible water bladder like the contact surface of material model, to realize that the flexibility of vertical stress is evenly distributed with constant load；
The vertical loading device is also associated with vertical load guiding constraint device, to realize to the vertical loading device
Constraint；
The testing stand front and rear sides is provided with visualization baffle, the visualization baffle, positioned at lateral hierarchical loading
Plate and the experimental cabin that a receiving similar material model is formed between the subregion load plate at top and the bottom plate of testing stand；
The permeable region for being provided with a sink on the bottom plate of the testing stand and being connected with the sink, the permeable area
Domain periphery is provided with rubber pocket, and during experiment, the similar material model in experimental cabin closely connects with the rubber pocket
It touches；The sink is connected with the hydraulic pressure-water dynamic servo double-control apparatus；
The side hydraulic cylinder, vertical hydraulic cylinder are connected with the displacement-pressurized hydraulic servo double-control apparatus；
The displacement-pressurized hydraulic servo double-control apparatus, hydraulic pressure-water dynamic servo double-control apparatus with the control-
Data acquisition device is connected.
2. a kind of pilot system for simulating differently stress condition lower plate gushing water according to claim 1, feature exist
In：Each subregion load front edge of board is provided with vulcanie protrusion shovel board.
3. a kind of pilot system for simulating differently stress condition lower plate gushing water according to claim 1, feature exist
In：Threaded hole is provided on the column of the both sides of the testing stand, the visualization baffle is matched by bolt and threaded hole
Conjunction is connected on column；The visualization baffle is made of tempered glass material.
4. a kind of pilot system for simulating differently stress condition lower plate gushing water according to claim 1, feature exist
In：The flexible gasket is equipped with pressure sensor device.
5. a kind of pilot system for simulating differently stress condition lower plate gushing water according to claim 4, feature exist
In：The flexible gasket is equipped with pressure sensor device, and the vertical loading device, side hydraulic hierarchical loading device are equal
It is loaded by programming, when pressure sensing value is more than dangerous values, is monitored by the pressure sensor device, and the side hydraulic
Hierarchical loading device stops load.
6. a kind of pilot system for simulating differently stress condition lower plate gushing water according to claim 1, feature exist
In：It is open-type groove-like structure in the rear end of each subregion load plate.
7. a kind of test method for simulating differently stress condition lower plate gushing water, which is characterized in that using such as claim 1 institute
A kind of pilot system of the simulation stated differently stress condition lower plate gushing water, the test method include the following steps successively：
A is laid with analog material,
According to the analog material of actual condition of mines design each component ratio, the uniformly mixed analog material reconciled is set
It is laid with and is compacted in experimental cabin, phantom thicknesses are determined by experimental design similar proportion；
B loads and water filling,
According to actual stress distribution situation suffered by simulated formation and floor strata Water-bearing Characteristics, by vertical loading device and laterally
Hydraulic graduation loading device carries out vertical subregion load and lateral hierarchical loading to similar material model respectively, according to different tests
Demand, to hanging down, lateral load plate real-time programming controls, while by hydraulic pressure-water dynamic servo double-control apparatus to testing stand bottom
Sink in inject constant high pressure water；
C excavation simulations simultaneously acquire information,
Manual simulation's excavation is carried out to the coal seam part of similar material model and opens control-data acquisition device, is recorded at any time
Displacement information between lower plate stress information, hydraulic pressure information, bottom plate water percolating capacity and top plate, coal seam and bottom plate；Pass through simultaneously
Visualize development and the Evolution of the conduit pipe of baffle observation testing stand bottom base panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810491680.XA CN108732024B (en) | 2018-05-22 | 2018-05-22 | Test system and test method for simulating water inrush of bottom plate under different ground stress conditions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810491680.XA CN108732024B (en) | 2018-05-22 | 2018-05-22 | Test system and test method for simulating water inrush of bottom plate under different ground stress conditions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108732024A true CN108732024A (en) | 2018-11-02 |
| CN108732024B CN108732024B (en) | 2024-02-02 |
Family
ID=63937856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810491680.XA Active CN108732024B (en) | 2018-05-22 | 2018-05-22 | Test system and test method for simulating water inrush of bottom plate under different ground stress conditions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108732024B (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115637A (en) * | 2018-11-06 | 2019-01-01 | 中南大学 | A kind of fatigue impact combination loading structure pilot system |
| CN109406292A (en) * | 2018-12-04 | 2019-03-01 | 滨州学院 | A kind of Water Inrush process similar material simulation experiment device and method |
| CN109470839A (en) * | 2018-11-22 | 2019-03-15 | 山东科技大学 | Simulate the physical test device and method of deep-seated fault formation, fault activation and inrush through faults |
| CN109470576A (en) * | 2018-12-19 | 2019-03-15 | 临沂大学 | For simulating the pilot system and test method of buried structure Water Inrush |
| CN110553916A (en) * | 2019-09-03 | 2019-12-10 | 辽宁工程技术大学 | point-type loading universal load transfer experimental stress loading system and method |
| CN110878691A (en) * | 2019-11-13 | 2020-03-13 | 中国海洋石油集团有限公司 | Mechanical property experiment device and method for gas production pipe column of ocean well completion |
| CN110985124A (en) * | 2019-12-23 | 2020-04-10 | 安徽理工大学 | Experimental device for fixed-point quantitative dynamic monitoring system for progressive lifting of coal seam floor |
| CN111366707A (en) * | 2020-04-14 | 2020-07-03 | 山东科技大学 | Test system and method for simulating coupling flow of multiple types of water guide channels |
| WO2020151091A1 (en) * | 2019-01-25 | 2020-07-30 | 山东科技大学 | Test device and method for simulating breakage of roof rock beam |
| CN111852474A (en) * | 2020-07-20 | 2020-10-30 | 辽宁工程技术大学 | Coal seam water injection model test device and test method |
| CN112557166A (en) * | 2020-11-19 | 2021-03-26 | 山东科技大学 | Loading buffer device and test system and method for fault simulation |
| CN112700704A (en) * | 2020-12-02 | 2021-04-23 | 中国石油天然气股份有限公司 | Knee fold structure simulation method and device |
| CN112903462A (en) * | 2021-02-04 | 2021-06-04 | 太原理工大学 | Device and method for testing bearing capacity of single-row group column in horizontal goaf under double-shaft loading |
| CN113432975A (en) * | 2021-06-11 | 2021-09-24 | 中国石油大学(北京) | Detection device and detection system for rock sample pressurization test |
| CN113533155A (en) * | 2020-04-22 | 2021-10-22 | 中国电建集团华东勘测设计研究院有限公司 | Large-scale cavern water inrush simulation test device and method suitable for high-pressure water-rich karst area |
| CN113607917A (en) * | 2021-07-12 | 2021-11-05 | 中煤科工开采研究院有限公司 | Simple geomechanical model test device for realizing gradual stress loading and use method |
| CN113863982A (en) * | 2021-09-03 | 2021-12-31 | 中煤科工集团西安研究院有限公司 | Large-scale real three-dimensional old air disaster simulation experiment device that permeates water |
| WO2023226157A1 (en) * | 2022-05-23 | 2023-11-30 | 安徽理工大学 | Device for testing dynamic load impact on anchoring body test piece under gradient stress and test method |
| CN113863982B (en) * | 2021-09-03 | 2024-05-03 | 中煤科工集团西安研究院有限公司 | Large-scale true three-dimensional hollow permeable disaster simulation experiment device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202339416U (en) * | 2011-09-08 | 2012-07-18 | 山东科技大学 | Test system for simulating water inrush of mined seam floor |
| CN105891447A (en) * | 2016-05-05 | 2016-08-24 | 安徽理工大学 | Similarity test device and visualizing method for bearing fault mining activation and water bursting channel forming process |
| CN205786122U (en) * | 2016-07-01 | 2016-12-07 | 西安科技大学 | A kind of realization regulates the plane physics analog simulation experimental device adding unloading |
| CN107255698A (en) * | 2017-06-28 | 2017-10-17 | 山东大学 | Full-automatic true triaxial tunnels and underground engineering model assay systems |
| CN208636153U (en) * | 2018-05-22 | 2019-03-22 | 山东科技大学 | Simulate the pilot system of differently stress condition lower plate gushing water |
-
2018
- 2018-05-22 CN CN201810491680.XA patent/CN108732024B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202339416U (en) * | 2011-09-08 | 2012-07-18 | 山东科技大学 | Test system for simulating water inrush of mined seam floor |
| CN105891447A (en) * | 2016-05-05 | 2016-08-24 | 安徽理工大学 | Similarity test device and visualizing method for bearing fault mining activation and water bursting channel forming process |
| CN205786122U (en) * | 2016-07-01 | 2016-12-07 | 西安科技大学 | A kind of realization regulates the plane physics analog simulation experimental device adding unloading |
| CN107255698A (en) * | 2017-06-28 | 2017-10-17 | 山东大学 | Full-automatic true triaxial tunnels and underground engineering model assay systems |
| CN208636153U (en) * | 2018-05-22 | 2019-03-22 | 山东科技大学 | Simulate the pilot system of differently stress condition lower plate gushing water |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115637A (en) * | 2018-11-06 | 2019-01-01 | 中南大学 | A kind of fatigue impact combination loading structure pilot system |
| CN109470839A (en) * | 2018-11-22 | 2019-03-15 | 山东科技大学 | Simulate the physical test device and method of deep-seated fault formation, fault activation and inrush through faults |
| CN109406292A (en) * | 2018-12-04 | 2019-03-01 | 滨州学院 | A kind of Water Inrush process similar material simulation experiment device and method |
| CN109406292B (en) * | 2018-12-04 | 2023-12-22 | 滨州学院 | Simulation experiment device and method for similar materials in water inrush process of bottom plate |
| CN109470576A (en) * | 2018-12-19 | 2019-03-15 | 临沂大学 | For simulating the pilot system and test method of buried structure Water Inrush |
| WO2020151091A1 (en) * | 2019-01-25 | 2020-07-30 | 山东科技大学 | Test device and method for simulating breakage of roof rock beam |
| CN110553916A (en) * | 2019-09-03 | 2019-12-10 | 辽宁工程技术大学 | point-type loading universal load transfer experimental stress loading system and method |
| CN110553916B (en) * | 2019-09-03 | 2022-04-12 | 辽宁工程技术大学 | Point-type loading universal load transfer experimental stress loading system and method |
| CN110878691A (en) * | 2019-11-13 | 2020-03-13 | 中国海洋石油集团有限公司 | Mechanical property experiment device and method for gas production pipe column of ocean well completion |
| CN110985124A (en) * | 2019-12-23 | 2020-04-10 | 安徽理工大学 | Experimental device for fixed-point quantitative dynamic monitoring system for progressive lifting of coal seam floor |
| CN111366707A (en) * | 2020-04-14 | 2020-07-03 | 山东科技大学 | Test system and method for simulating coupling flow of multiple types of water guide channels |
| CN113533155A (en) * | 2020-04-22 | 2021-10-22 | 中国电建集团华东勘测设计研究院有限公司 | Large-scale cavern water inrush simulation test device and method suitable for high-pressure water-rich karst area |
| CN111852474A (en) * | 2020-07-20 | 2020-10-30 | 辽宁工程技术大学 | Coal seam water injection model test device and test method |
| CN112557166A (en) * | 2020-11-19 | 2021-03-26 | 山东科技大学 | Loading buffer device and test system and method for fault simulation |
| CN112700704B (en) * | 2020-12-02 | 2023-10-31 | 中国石油天然气股份有限公司 | Knee fold structure simulation method and device |
| CN112700704A (en) * | 2020-12-02 | 2021-04-23 | 中国石油天然气股份有限公司 | Knee fold structure simulation method and device |
| CN112903462A (en) * | 2021-02-04 | 2021-06-04 | 太原理工大学 | Device and method for testing bearing capacity of single-row group column in horizontal goaf under double-shaft loading |
| CN113432975A (en) * | 2021-06-11 | 2021-09-24 | 中国石油大学(北京) | Detection device and detection system for rock sample pressurization test |
| CN113607917A (en) * | 2021-07-12 | 2021-11-05 | 中煤科工开采研究院有限公司 | Simple geomechanical model test device for realizing gradual stress loading and use method |
| CN113607917B (en) * | 2021-07-12 | 2023-11-10 | 中煤科工开采研究院有限公司 | Simple geomechanical model test device for realizing gradual stress loading and use method |
| CN113863982A (en) * | 2021-09-03 | 2021-12-31 | 中煤科工集团西安研究院有限公司 | Large-scale real three-dimensional old air disaster simulation experiment device that permeates water |
| CN113863982B (en) * | 2021-09-03 | 2024-05-03 | 中煤科工集团西安研究院有限公司 | Large-scale true three-dimensional hollow permeable disaster simulation experiment device |
| WO2023226157A1 (en) * | 2022-05-23 | 2023-11-30 | 安徽理工大学 | Device for testing dynamic load impact on anchoring body test piece under gradient stress and test method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108732024B (en) | 2024-02-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108732024A (en) | Simulate the pilot system and test method of differently stress condition lower plate gushing water | |
| CN207198149U (en) | One kind is based on numerical simulation study close-in seamses group's water-retaining production experimental provision | |
| CN103868799B (en) | Rock mechanical characteristic analyzer for non-conventional oil-gas reservoir stratum | |
| CN103398902B (en) | Test apparatus for flexible loading and instantaneously unloading of high geostress, and test method | |
| CN105716950B (en) | Strip coal pillar stabilizing test device and test method | |
| CN106053755B (en) | A kind of coal and gas power phenomenon three-dimensional physical simulation comprehensive experimental system | |
| CN104568595A (en) | Coal bed mining floor grouting infiltration-reducing simulation testing system | |
| CN105116101A (en) | Simulation test system for prevention and control of mine disasters and application method thereof | |
| CN203658352U (en) | Water gushing-sand pouring disaster simulation test system of coal-seam mining induction top plate | |
| CN106226112A (en) | A kind of multi-functional reduced scale tunnel structure force model response characteristic laboratory test system and method | |
| CN208636153U (en) | Simulate the pilot system of differently stress condition lower plate gushing water | |
| CN107831009A (en) | Coal mine roadway side portion's anchor pole or anchorage cable anchoring analogue experiment installation and its experimental method | |
| CN204613202U (en) | The migration of a kind of simulate formation coal mining overlying strata and gushing water are burst sand experimental provision | |
| Cao et al. | A novel large-scale three-dimensional apparatus to study mechanisms of coal and gas outburst | |
| CN211602719U (en) | Stope mine pressure three-dimensional physical simulation test platform of multi-functional top bottom plate gushing water | |
| CN204925064U (en) | Mine calamity prevent and control analogue test system | |
| CN104849428B (en) | The migration of a kind of simulate formation coal mining overlying strata and gushing water are burst sand experimental provision | |
| CN103454103B (en) | Loading device for geotechnical engineering large-sized three-dimensional comprehensive simulation test bed | |
| CN106198228A (en) | A kind of drilling cuttings method predicting rock burst experimental simulation system and method | |
| CN211505504U (en) | Test device for simulating tunnel crossing water-rich fault gushing water | |
| CN205910097U (en) | Realize flexible loaded solid gas coupling physical similarity simulation experiment table | |
| CN203869959U (en) | Analysis meter for rock mechanics characteristics of unconventional oil and gas reservoir | |
| CN112763694A (en) | Two-dimensional analog simulation test device and method for dynamic disturbance of mine mining | |
| CN205445669U (en) | Moisture coal seam in different inclinations can be simulated and slip casting test device is filled | |
| CN105259045A (en) | Pressure-bearing underwater mining analog simulation testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |