CN108414417A - Simulate porous media rock mass infiltration lane fluid migration pilot system - Google Patents
Simulate porous media rock mass infiltration lane fluid migration pilot system Download PDFInfo
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- 239000011435 rock Substances 0.000 title claims abstract description 36
- 239000012530 fluid Substances 0.000 title claims abstract description 22
- 238000001764 infiltration Methods 0.000 title claims abstract description 20
- 230000008595 infiltration Effects 0.000 title claims abstract description 20
- 238000013508 migration Methods 0.000 title claims abstract description 18
- 230000005012 migration Effects 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 102
- 230000009977 dual effect Effects 0.000 claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 24
- 238000004088 simulation Methods 0.000 claims abstract description 23
- 238000006073 displacement reaction Methods 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 239000011148 porous material Substances 0.000 claims abstract description 10
- 238000012360 testing method Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005065 mining Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 8
- 239000003245 coal Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
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Abstract
The invention discloses a kind of simulation porous media rock mass infiltration lane fluid migration pilot systems, belong to mining engineering modelling technique field.It includes experimental rig, hydraulic pressure water dual control servomechanism installation, displacement and pressure dual control servomechanism installation and data acquisition device, it is provided in the experimental cabin of experimental rig into water loading head, water outlet loading head, the first cavity, the second cavity and filtration module, filtration module includes several osmos tubes, water flow switch, flow sensor and pore water pressure sensor are both provided in every osmos tube, it is laid with connection nozzle on the first cavity and the second cavity, is connected by osmos tube and connection nozzle between the first cavity and the second cavity.The present invention simulates under geological environment porous media rock mass fluid migration feature in infiltration lane under hydraulic pressure and mine pressure synergy with Quantitative study difference, obtains the parameter attributes such as rock mass internal crack fluid flow, hydraulic pressure under the influence of different extraneous factors.
Description
Technical field
The present invention relates to mining engineering modelling technique field, more particularly to a kind of simulation porous media rock mass infiltration is logical
Road fluid migration pilot system.
Background technology
In mine water disaster, fracture seepage channel becomes the water inrush channel for causing coal mine important, rock mass in porous media rock mass
Fracture seepage gushing water type is various, is difficult to detect, the significant problem faced in terms of becoming mine geological hazards now.According to incomplete
Statistics, in past 20 year, since economic loss caused by water leak accident in coal mine is up to more than 300 hundred million yuan.Currently, by
It is the residual coal at the margins of mining areas for exploiting state-run coal mine that the coal reserves that water threatens has many up to more than 100 hundred million tons, especially local mine, is opened
Adopt that condition is increasingly complex, the unfavorable factor of gushing water caused by Seepage of Rock Masses is even more prominent.
In order to ensure the safe working of coal resources, the serious puzzlement of water bursting disaster is broken away from, is adopted under water body and on water body
When coal, prevent the generation of water inrush accident, scientific and reasonable design stope arrangement from carrying out porous media rock mass infiltration lane stream
Body migration experiment obtains porous media rock mass in the dynamic variation feature under hydraulic pressure and mine pressure synergy, is urgently to solve
One of critical issue certainly.Due to the concealed feature of subsurface excavation engineering so that mine caused by gushing water mechanism study and
Influence factor is difficult to be studied by field observation, and laboratory test is at effective means to solve this problem.
Invention content
The purpose of the present invention is to provide a kind of simulation porous media rock mass infiltration lane fluid migration pilot systems, with fixed
Quantitative research difference simulates porous media rock mass under geological environment, and fluid is transported in infiltration lane under hydraulic pressure and mine pressure synergy
Feature is moved, the parameter attributes such as rock mass internal crack fluid flow, hydraulic pressure under the influence of different extraneous factors are obtained, by seeing indoors
Survey is studied, to provide certain theories integration for on-site measurement.
To achieve the above object, it is the technical issues of solution needed for the present invention：How under hydraulic pressure and mine pressure synergy
The solid＆liquid couple mechanical characteristics that quantitative analysis rock mass is shown in different porosities, different number infiltration lane；Difference load
Under pressure and hydraulic pressure effect, different gradation sillar creep, rheology and compactness characteristic under the conditions of specific seepage channel；Not same district
Water flow, hydraulic pressure distribution situation in the medium rock mass internal crack of domain；Loose rock mass containing sand bed routed sand in particular job environment is burst
Wate research.
In order to solve the above technical problems, the present invention is achieved through the following technical solutions：
A kind of simulation porous media rock mass infiltration lane fluid migration pilot system comprising experimental rig, hydraulic pressure water
Dual control servomechanism installation, displacement and pressure dual control servomechanism installation and data acquisition device, the experimental rig include rigid base and position
Testing stand on the rigid base, the testing stand are square frame structure, the space shape in the square frame structure
At experimental cabin, it is characterised in that：
It is provided in the experimental cabin into water loading head, water outlet loading head, the first cavity, the second cavity and filtration module,
The experimental cabin both sides are respectively arranged with the first loading hydraulic cylinder and the second loading hydraulic cylinder, first loading hydraulic cylinder
Movable post end connects the water inlet loading head, and the other end of the water inlet loading head is connect with first cavity, first chamber
Body connects second cavity by the filtration module, and the other end of second cavity connects the water outlet loading head, institute
The movable post end for stating the second loading hydraulic cylinder connects the water outlet loading head by connecting rod；
The filtration module includes the osmos tube of several parallel arrangements, and being both provided with flow in every osmos tube opens
Pass, flow sensor and pore water pressure sensor are laid with several connection nozzles on first cavity and the second cavity,
It is connected by the osmos tube and connection nozzle between first cavity and the second cavity；
The water inlet loading head connects the hydraulic pressure water dual control servomechanism installation by inlet pipeline；
First loading hydraulic cylinder connects the displacement and pressure dual control servomechanism installation；
The data acquisition device is separately connected the hydraulic pressure water dual control servomechanism installation, displacement and pressure dual control by signal
Servomechanism installation, flow sensor and pore water pressure sensor；
The water outlet loading head includes water outlet loading head ontology, reducing apopore, connecting rod and adds positioned at the water outlet
The sealing rubber layer of carrier head ontology periphery, is connected between the water outlet loading head and the second loading hydraulic cylinder by the connecting rod
It connects.
The advantageous effects that above-mentioned technical proposal is directly brought are：Due in the previous research to rock seepage flow,
It cannot achieve to rock mass internal crack quantification and compartmentalization analysis, can only qualitatively be studied in terms of macroscopic view, which utilizes
Tool changes the quantity and circulation of specific region osmos tube, can carry out to rock mass under hydraulic pressure and mine pressure collective effect in different holes
The solid＆liquid couple mechanics problem that gap rate, different number infiltration lane are shown is studied.
As a preferred solution of the present invention, the water inlet loading head includes cylindrical barrel, is formed in the cylinder
Cylindrical cavity offers permeable hole on the side wall of the cylindrical barrel, inlet valve is offered in the cylindrical barrel, described
Loading head of intaking connects the inlet pipeline.
As another preferred embodiment of the present invention, arcuation pressure is respectively arranged on first cavity, the second cavity
Two ends of tight component, the arcuation compacting part are respectively connected with rigid support, and the rigidity is fixed on by bolt cooperation
On holder.
Preferably, the water outlet of the water inlet loading head is circular slab, and the center of circle of the circular slab delimited multiple same outward
The heart is justified, and multiple permeable holes are equally spaced on the circumference of multiple concentric circles.
Advantageous effects caused by the present invention are：
Compared with prior art, simulation porous media rock mass infiltration lane fluid migration pilot system of the invention have with
Lower features and advantages：
The simulation porous media rock mass infiltration lane fluid migration pilot system of the present invention carries out porous Jie in geological environment
Fracture seepage simulation test in matter, using intaking in device, loading head and water outlet loading head are realized to different crustal stress and different water
The implementation of hierarchical loading is completed in the simulation of pressure, is realized to different rock mass regions porosity, circulation using the osmos tube in device
The simulation of rate, and then rock cranny fluid flow characteristics under the conditions ofs different crustal stress, water pressure, different porosities etc. are studied,
Different stress intensities, hydraulic pressure size are set by displacement and pressure dual control servomechanism installation and hydraulic pressure water dual control servomechanism installation, are based on
Practical geological environment is placed in simulation material in the first cavity and the second cavity, fracture seepage in Quantitative study porous media
A variety of geological informations obtain the change curve that influences each other between the parameters such as hydraulic pressure, the flow at the different parts in crack, obtain
Migration rule of the fluid in porous media is obtained, and then improves the reliability that seam mining induces the identification of country rock water inrush features；
Simulation experiment system have hydraulic pressure, the separate voltage-stabilizing system of load, more accurately, stability it is more excellent；It can also coordinate corresponding
Monitoring of software, realize the real-time monitoring to pore water pressure, flow, displacement information.
After the specific implementation mode of the present invention is read in conjunction with the figure, the features and advantages of the invention will become clearer.
Description of the drawings
The present invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is present invention simulation porous media rock mass infiltration lane fluid migration test system architecture schematic diagram；
Fig. 2 is the first cavity bottom face vertical view of the invention；
Fig. 3 is the sectional view of present invention water inlet loading head；
Fig. 4 is the structural schematic diagram of permeable member of the present invention；
Fig. 5 is the sectional view of present invention water outlet loading head；
Fig. 6 is the sectional view of reducing apopore in present invention water outlet loading head；
Wherein, 11, rigid base, 12, testing stand, 13, fastening bolt, the 21, first cavity, 211, connection nozzle, 22, the
Two cavitys, 23, osmos tube, 231, water flow switch, 24, arcuation compacting part, 31, water inlet loading head, 311, permeable hole, 312, empty
Chamber, 313, caulking gum, 32, water outlet loading head, 321, reducing apopore, 322, connecting rod, 323, caulking gum, 33 plus
Carrier fluid cylinder pressure, 41, displacement and pressure dual control servomechanism installation, 42, hydraulic pressure water dual control servomechanism installation, 5, data acquisition device, 6, hole
Gap hydraulic pressure sensor, 7, flow sensor, 8, inlet valve.
Specific implementation mode
The present invention proposes a kind of simulation porous media rock mass infiltration lane fluid migration pilot system, in order to make the present invention
The advantages of, technical solution it is clearer, clear, elaborate to the present invention with reference to specific embodiment.
As shown in Figure 1, the present invention simulates porous media rock mass infiltration lane fluid migration pilot system, including experiment dress
It sets, hydraulic pressure water dual control servomechanism installation 42, displacement and pressure dual control servomechanism installation 41 and data acquisition device 5, experimental rig include
Rigid base 11 and the testing stand 12 on rigid base 11, testing stand is square frame structure, in square frame structure
Space forms experimental cabin.
As the main improvement of the present invention, it is provided in the experimental cabin into water loading head, water outlet loading head, the first chamber
Body, the second cavity and filtration module, wherein as shown in figure 3, water inlet 31 overall structure of loading head be preferably cylindricality, inside be
Cylindrical cavity offers permeable hole 311 on 312 side wall of cavity, caulking gum 313, water inlet is arranged outside water inlet loading head 31
Loading head 31 connects inlet pipeline, and inlet valve 8 and flow sensor 7 is arranged on inlet pipeline.Above-mentioned sealing rubber layer is preferably
The epoxide resin material of good seal performance.
It is discharged loading head, shown in concrete structure combination Fig. 5 and Fig. 6, is discharged in loading head 32 and offers reducing water outlet
Hole 321, water outlet loading head 32 are externally provided with caulking gum 323, water outlet loading head 32 and (the second load hydraulic pressure of loading hydraulic cylinder 33
Cylinder) between connected by connecting rod 322.
It is connected by filtration module between first cavity 21 and the second cavity 22, the structure of specific filtration module combines figure
Shown in 1 and Fig. 4, filtration module includes the osmos tube 23 of several parallel arrangements, and flow is both provided in every osmos tube 23
Switch 231, flow sensor 7 and pore water pressure sensor 6, if as shown in Fig. 2, being laid on the first cavity and the second cavity
Dry connection nozzle 211, is connected between the first cavity and the second cavity by osmos tube and connection nozzle 211.Data are adopted
Such as computer of acquisition means 5 connects hydraulic pressure water dual control servomechanism installation 42, displacement and pressure dual control servomechanism installation 41, stream by signal
Quantity sensor 7 and pore water pressure sensor 6, to realize the real-time monitoring to pore water pressure, flow, displacement information.
The definition adjacent with water inlet loading head is the first loading hydraulic cylinder, is loaded with water outlet by above-mentioned loading hydraulic cylinder
Adjacent definition is the second loading hydraulic cylinder, wherein the movable post end connection water inlet loading head 31 of the first loading hydraulic cylinder, water inlet
The other end of loading head 31 is connect with the first cavity 21, and the first cavity 21 connects the second cavity 22, the second chamber by filtration module
The other end connection water outlet loading head of body, the movable post end of the second loading hydraulic cylinder connects water outlet loading head by connecting rod.
The present invention is preferably respectively arranged with arcuation compacting part 24 on the first cavity, the second cavity, as shown in Figure 1, should
For example semicircular compression batten of arcuation compacting part compresses batten and rides on the first cavity and the second cavity, and compression bar
Plate assembly connection rigid support is coordinated by fastening bolt 13 and is fixed.
Preferably the intake water outlet of loading head of the present invention is circular slab, and the center of circle of circular slab delimit multiple concentric circles outward,
Multiple permeable holes are equally spaced on the circumference of multiple concentric circles.
The present invention simulates face surrounding rock water inrush channel and extends evolution pilot system, is tested using it, steps are as follows：
The first step, according to the existence condition of rock in practical geology, simulation material is laid on experiment according to research contents
It in pipe and is placed on testing stand 12, specifically, by the first cavity 21, the second cavity 22 and osmos tube 23, selection suitably may be used
Reducing apopore 321 is mounted in the second cavity 22, is then laid on simulation material in developmental tube according to practical rock parameter,
Ensure closely knit and the first cavity 21, the second cavity 22 and the osmos tube 23 of simulation material to being just connected on testing stand 12, then will
Developmental tube is fixed on as compressed batten on testing stand 12 by arcuation compacting part 24, and water outlet loading head 32 is placed in developmental tube
Lower port, while the loading head 31 that will intake is placed in the upper port of developmental tube；
(2) inlet valve 8 and water flow switch 231 are closed, displacement and pressure dual control servomechanism installation 41 is started, is loaded step by step to water outlet
First 32 apply vertical load with water inlet loading head 31, until reaching predetermined design simulation load, are simulated in real-time monitoring test pipe
The deformation of material；
(3) after waiting for simulation material stabilization, inlet valve and water flow switch 231 are opened, starts hydraulic pressure water dual control and watches
Clothes set 42, and required water pressure and water flow is arranged, acquisition pore water pressure, flow and displacement information during experiment；
(4) different simulation material and reducing apopore 321, modification displacement and pressure dual control servomechanism installation 41 and water are replaced
The correspondence operating status for pressing water dual control servomechanism installation 42, repeats the above steps.
The part that do not addressed in the present invention uses or uses for reference prior art and can be realized.
Although more herein used the terms such as the first cavity, filtration module, it is not precluded using other
The possibility of term, the simple replacement that those skilled in the art under the inspiration of the present invention do these terms should all be at this
Within the protection domain of invention.
Claims (4)
1. a kind of simulation porous media rock mass infiltration lane fluid migration pilot system comprising experimental rig, hydraulic pressure water are double
Control servomechanism installation, displacement and pressure dual control servomechanism installation and data acquisition device, the experimental rig include rigid base and are located at
Testing stand on the rigid base, the testing stand are square frame structure, and the space in the square frame structure is formed
Experimental cabin, it is characterised in that：
It is provided in the experimental cabin into water loading head, water outlet loading head, the first cavity, the second cavity and filtration module, it is described
Experimental cabin both sides be respectively arranged with the first loading hydraulic cylinder and the second loading hydraulic cylinder, the movable post of first loading hydraulic cylinder
End connects the water inlet loading head, and the other end of the water inlet loading head is connect with first cavity, and first cavity is logical
It crosses the filtration module and connects second cavity, the other end of second cavity connects the water outlet loading head, and described the
The movable post end of two loading hydraulic cylinders connects the water outlet loading head by connecting rod；
The filtration module includes the osmos tube of several parallel arrangements, and water flow switch, stream are both provided in every osmos tube
Quantity sensor and pore water pressure sensor are laid with several connection nozzles on first cavity and the second cavity, described
It is connected by the osmos tube and connection nozzle between first cavity and the second cavity；
The water inlet loading head connects the hydraulic pressure water dual control servomechanism installation by inlet pipeline；
First loading hydraulic cylinder connects the displacement and pressure dual control servomechanism installation；
The data acquisition device is separately connected the hydraulic pressure water dual control servomechanism installation, displacement and pressure dual control servo by signal
Device, flow sensor and pore water pressure sensor；
The water outlet loading head includes water outlet loading head ontology, reducing apopore, connecting rod and is located at the water outlet loading head
The sealing rubber layer of ontology periphery is connected between the water outlet loading head and the second loading hydraulic cylinder by the connecting rod.
2. a kind of simulation porous media rock mass infiltration lane fluid migration pilot system according to claim 1, feature
It is：The water inlet loading head includes cylindrical barrel, and cylindrical cavity, the side wall of the cylindrical barrel are formed in the cylinder
On offer permeable hole, offer inlet valve in the cylindrical barrel, the water inlet loading head connects the inlet pipeline.
3. a kind of simulation porous media rock mass infiltration lane fluid migration pilot system according to claim 1, feature
It is：Arcuation compacting part, two ends of the arcuation compacting part are respectively arranged on first cavity, the second cavity
Portion is respectively connected with rigid support, is fixed on the rigid support by bolt cooperation.
4. a kind of simulation porous media rock mass infiltration lane fluid migration pilot system according to claim 2, feature
It is：The water outlet of the water inlet loading head is circular slab, and multiple concentric circles, Duo Getong delimited in the center of circle of the circular slab outward
It is equally spaced multiple permeable holes on the circumference of heart circle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810087129.9A CN108414417B (en) | 2018-01-30 | 2018-01-30 | Fluid migration test system for simulating porous medium rock mass permeation channel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810087129.9A CN108414417B (en) | 2018-01-30 | 2018-01-30 | Fluid migration test system for simulating porous medium rock mass permeation channel |
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| CN108414417B CN108414417B (en) | 2020-07-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114112840A (en) * | 2021-11-17 | 2022-03-01 | 中国地质大学（武汉） | Test device and method for researching pore-fracture dual-medium seepage characteristics |
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| JP2014119422A (en) * | 2012-12-19 | 2014-06-30 | Mitsubishi Heavy Ind Ltd | Inner pressure testing device and inner pressure testing method |
| CN204327082U (en) * | 2014-12-10 | 2015-05-13 | 西安科技大学 | A kind of coal measure strata structure large scale fracture seepage physical simulation experimental rig |
| CN105004509A (en) * | 2015-07-30 | 2015-10-28 | 中国电建集团昆明勘测设计研究院有限公司 | Water and mud outburst test device for tectonic fracture filling structure |
| CN205374249U (en) * | 2016-01-28 | 2016-07-06 | 山东科技大学 | Bottom plate rock mass osmotic coefficient test analog system |
| CN107356510A (en) * | 2017-08-11 | 2017-11-17 | 山东科技大学 | Simulate face surrounding rock water inrush channel extension evolution pilot system |
| CN206710220U (en) * | 2017-05-09 | 2017-12-05 | 湖南科技大学 | A kind of mud-water converting device of prominent mud experiment |
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2018
- 2018-01-30 CN CN201810087129.9A patent/CN108414417B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014119422A (en) * | 2012-12-19 | 2014-06-30 | Mitsubishi Heavy Ind Ltd | Inner pressure testing device and inner pressure testing method |
| CN204327082U (en) * | 2014-12-10 | 2015-05-13 | 西安科技大学 | A kind of coal measure strata structure large scale fracture seepage physical simulation experimental rig |
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| 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 |
| CN114112840A (en) * | 2021-11-17 | 2022-03-01 | 中国地质大学（武汉） | Test device and method for researching pore-fracture dual-medium seepage characteristics |
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