CN109323971A - A kind of rock stratum bottom plate seepage flow gushing water experimental rig and test method - Google Patents
A kind of rock stratum bottom plate seepage flow gushing water experimental rig and test method Download PDFInfo
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- CN109323971A CN109323971A CN201811545774.7A CN201811545774A CN109323971A CN 109323971 A CN109323971 A CN 109323971A CN 201811545774 A CN201811545774 A CN 201811545774A CN 109323971 A CN109323971 A CN 109323971A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 239000011435 rock Substances 0.000 title claims abstract description 83
- 238000010998 test method Methods 0.000 title claims abstract description 6
- 238000005452 bending Methods 0.000 claims abstract description 18
- 238000012360 testing method Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000004513 sizing Methods 0.000 claims abstract description 10
- 239000003921 oil Substances 0.000 claims description 18
- 238000013480 data collection Methods 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 claims 1
- 239000010454 slate Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 230000008595 infiltration Effects 0.000 abstract description 7
- 238000001764 infiltration Methods 0.000 abstract description 7
- 230000007246 mechanism Effects 0.000 abstract description 6
- 238000011160 research Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000009172 bursting Effects 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000003204 osmotic effect Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 230000002459 sustained effect Effects 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
- 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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- 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
-
- 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
- G01N3/02—Details
-
- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Fluid Mechanics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of rock stratum bottom plate seepage flow gushing water experimental rig and test methods, including axial loading system and permeameter, permeameter includes the cylinder barrel being set between the plummer of axial loading system and loading head and the pressure head that is slidedly arranged in cylinder barrel, support ring is fixed in cylinder barrel, the bottom end of pressure head is tapered and the center of face support ring, space and the seal sizing material for placing bottom plate rock sample are equipped between pressure head and support ring, high pressure water is filled with by water inlet pipe in cavity of the cylinder barrel between bottom plate rock sample and cylinder bottom plate, water inlet pipe is equipped with flowmeter and hydraulic pressure sensor.The present invention is by applying load at the top of rock sample, the constraint of lower support ring, realize the bending deformation of rock sample, the lower surface of rock sample is completely in infiltration hydraulic pressure simultaneously, so as to seepage characteristic of the Study of Strata bottom plate under artesian water effect when bending deformation, engineering real background is more fully reduced, the research for rock stratum Water Inrush mechanism provides more accurate test data.
Description
Technical field
The invention belongs to orebody mining technical field more particularly to a kind of rock stratum bottom plate seepage flow gushing water experimental rig and tests
Method.
Background technique
Mine water bursting disaster is always a great problem that China's coal-mine faces safely, as mining depth increases and exploits strong
The continuous increase of degree, the high artesian problem that when deep mining encounters are also more complicated and prominent.In deep fractures exploitation,
Under the influence of high hydraulic pressure effect, mechanical property, intensity index and the deformation modulus of floor rock change, meanwhile, hydraulic pressure
Effect can also change base sheet stresses distribution, and stress changes can cause the extension and development in crack, to can change the infiltration of rock mass
Permeability matter causes rock stratum roof and floor that water bursting disaster occurs.
In mining activity, deformation, unstability, the destruction of the excavation and bottom plate of rock stratum will lead to bottom plate and form water producing fractures
Band.When fissure zone develops to water-bearing layer, occurs one or more conduit pipe in the bottom plate of rock stratum, the water in water-bearing layer will
Goaf is poured into along fissure zone, water bursting disaster occurs.It is special that gushing water has that the time is short, water is big, sudden and destructiveness is strong etc.
Point easily causes the major accident for flooding digging laneway and staff's injures and deaths, generates huge threat to mine safety, sufficiently
Recognize goaf water inrush features and disaster inoculation mechanism, proposes targeted control measure, deeply disclose mechanism of water inrush, for
Safety of Coal Mine Production has important social value and economic significance, with deep increase is adopted, can encounter hyperosmosis problem.Therefore carry out
Seepage tests when rock stratum is badly deformed under artesian water effect, can explore rock stratum Water Inrush catastrophe more fully hereinafter
Evolution and governing factor, disclose the inherent mechanism that water bursting disaster occurs for deep rock stratum bottom plate, it is prominent for prevention rock stratum bottom plate
Water disaster and prediction rock stratum Water Inrush omen provide fundamental test data.
Patent 200610166463.0 discloses a kind of curved rock sample permeability test device, and the rock sample being located in cylinder barrel is same
When be squeezed and the power on upper top, rock sample occurs bending and deformation while infiltration, destroys in a flash in structure, percolation flow velocity hair
Raw variation sharply, the feature of gushing water is simulated with this, and verifying gushing water is the seepage flow Instability destroyed along with structure, still
Effect of the rock stratum bottom plate moment by high hydraulic pressure, thus above-mentioned patent cannot simulate well artesian water act on lower rock stratum bottom plate by
Seepage characteristic when to moment of flexure.
Summary of the invention
First technical problem to be solved by this invention is to provide a kind of rock stratum bottom plate seepage flow gushing water experimental rig, use
Seepage characteristic when probing into the bending deformation under artesian water effect of rock stratum bottom plate.
Second technical problem to be solved by this invention is to provide a kind of test method using above-mentioned experimental rig.
In order to solve the first technical problem mentioned above, the present invention adopts the following technical scheme:
A kind of rock stratum bottom plate seepage flow gushing water experimental rig, including axial loading system and permeameter, the permeameter packet
The pressure head for including the cylinder barrel being set between the plummer and loading head of the axial loading system and being slidedly arranged in the cylinder barrel,
Be fixed with support ring in the cylinder barrel, the bottom end of the pressure head is tapered and face described in support ring center, the pressure head
Space and the seal sizing material for placing bottom plate rock sample are equipped between the support ring, the cylinder barrel is located at the bottom plate rock sample
High pressure water is filled with by water inlet pipe in cavity between cylinder bottom plate, the water inlet pipe is equipped with flowmeter and hydraulic pressure senses
Device.
Further, the top of the pressure head extends to outside the cylinder barrel and loading head described in face, the pressure head stretch out
Side wall outside to the cylinder barrel is equipped with water outlet, and the water outlet that the connection water outlet and inner cavity of cylinder are equipped in the pressure head is logical
Road.
It further, further include that the data being electrically connected with the axial loading system, flowmeter and hydraulic pressure sensor are adopted
Collecting system.
It further, further include hydraulic pressure feed system, the hydraulic pressure feed system includes hydraulic cylinder, oil feed pump and water supply
Pump, the oil feed pump are connected to by oil supply pipe with the oil pressure chamber in the hydraulic cylinder above piston, and the water supply pump is logical
It crosses water supply line to be connected to the hydraulic pressure chamber in the hydraulic cylinder below piston, the outlet of the hydraulic pressure chamber and the water inlet pipe
Road docking.
Further, the water supply line is equipped with shut-off valve.
Further, the oil supply pipe is equipped with overflow valve, pressure reducing valve and one-way throttle valve.
Further, the cylinder barrel, pressure head, bottom plate rock sample and support ring coaxial arrangement.
To solve above-mentioned second technical problem, the present invention adopts the following technical scheme:
A kind of rock stratum bottom plate seepage flow gushing water test method is included the following steps: using above-mentioned experimental rig
Step 1: bottom plate rock sample is held in support ring, and seal sizing material is filled in inner wall of cylinder and bottom plate rock sample
In space between outer rim；
Step 2: etc. after seal sizing materials consolidate and have performance is fully sealed, loaded by axial loading system to pressure head,
The tapered bottom end of pressure head acts on bottom plate rock sample；Meanwhile stable water is applied by lower part of the water inlet pipe water flowing to bottom plate rock sample
Pressure；
Step 3: the loading head of axial loading system constantly loads, and carries out the infiltration under the conditions of bending deformation to bottom plate rock sample
Stream test, until sample destroys；And the number of pressure sensor, water ga(u)ge and axial loading system output is recorded in real time
According to.
Compared with prior art, the present invention has the advantage that
1, by applying bending load at the top of rock sample, the bending deformation of rock sample is realized, while in the lower surface of rock sample
It is completely in infiltration hydraulic pressure, so as to seepage characteristic of the Study of Strata bottom plate under artesian water effect when bending deformation, more
Add and fully reduce engineering real background, the research for rock stratum roof and floor mechanism of water inrush provides more accurate test data.
2, by the way of conical pressure head and support ring combination loading, can be realized disk-shaped rock sample along radial direction by
To identical bending deformation, guarantee that the stress condition in flow event is identical, while also effectively solving problem of stress concentration.
3, the sealing problem in conventional seepage tests is overcome, conical indenter and support ring combination loading mode can make to justify
Plate rock sample lower surface and support ring contact portion are even closer, are subject to sealing material consolidation filling, can be with the close of stiffening device
Sealing property.
4. be designed with water stream channel in pressure head, allow sample bottom plate oozes out during test water flow discharge seepage apparatus it
Outside, in order to avoid water flow is hoarded generation hydraulic pressure and had an impact to the acquisition of loading device data, guarantee the accuracy of load data acquisition.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of permeameter of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1 and Fig. 2, a kind of rock stratum bottom plate seepage flow gushing water experimental rig, including axial loading system II, permeameter I
With data collection system IV, permeameter I is arranged between the plummer and loading head of axial loading system II.Specifically, infiltration
Instrument I includes the cylinder barrel 9 being set on plummer, slides in cylinder barrel 9 positioned at the matching of the lower section of loading head and is provided with pressure head 8,
Lower section in cylinder barrel 9 positioned at pressure head 8, which coaxially matches, is fixed with support ring 3, and the bottom end of pressure head 8 is supported in cone 5 and face
The center of ring 3 is equipped with space and seal sizing material 4 for placing disk-shaped bottom plate rock sample 10, cylinder between pressure head 8 and support ring 3
High pressure water is filled with by water inlet pipe 1 in 9 closed cavity 3 positioned at bottom plate rock sample 10 and cylinder bottom plate 11 between of cylinder, cylinder barrel 9 and
Cylinder bottom plate 11 is fastenedly connected by connecting bolt 2.Water inlet pipe 1 is equipped with the flowmeter for using system IV to be electrically connected with data
20 and hydraulic pressure sensor 25, data collection system IV be additionally coupled to axial loading system II, for on-load pressure and loading head
The data such as axial movement distance are acquired.Specific structure as axial loading system II and data collection system IV is existing
There is technology, details are not described herein, if data collection system IV may include data collecting instrument 23 and the calculating that connect with computer
Machine 24.
In the present embodiment, by the top of rock sample 10 apply bending load, realize rock sample 10 bending deformation, while
The lower surface of rock sample 10 is completely in infiltration hydraulic pressure, and loading force, axial displacement, hydraulic pressure and water flow in loading procedure pass through
Data collection system IV acquires, so as to seepage characteristic of the Study of Strata bottom plate under artesian water effect when bending deformation, more
Add and fully reduce engineering real background, the research for rock stratum roof and floor mechanism of water inrush provides more accurate test data.
Referring to fig. 2, for convenience of the outflow of 10 seepage water of rock sample, the top of pressure head 8 is extended to outside cylinder barrel 9, is stretched out in pressure head 8
Side wall outside to cylinder barrel 9 is equipped with water outlet 7, and the outlet passage 6 of connection water outlet and inner cavity of cylinder, water outlet are equipped in pressure head 8
Mouth 7 is connected to water tank 26 by pipeline, and when 10 bottom high-pressure water of rock sample is oozed out at the top of rock sample by crack, seepage water is logical
Crossing outlet passage 6 can be expelled in time in water tank 26 by water outlet 7, so as to avoid rock sample 10 and pressure in cylinder barrel 9
The raising of first 8 hydraulic pressure.
Referring to Fig. 1, the present embodiment experimental rig further includes hydraulic pressure feed system III, and hydraulic pressure feed system III includes hydraulic cylinder
17, oil feed pump 15 and water supply pump 19, oil feed pump 15 are connected by the oil pressure chamber in oil supply pipe and hydraulic cylinder 17 above piston
Logical, water supply pump 19 is connected to by water supply line with the hydraulic pressure chamber in hydraulic cylinder 17 below piston, the outlet of hydraulic pressure chamber and into
Waterpipe docking, water supply line are equipped with the first shut-off valve 21, the second shut-off valve 22 are equipped on water inlet pipe 1, on oil supply pipe
Equipped with overflow valve 13, pressure reducing valve 14, oil pressure sensor 18 and one-way throttle valve 16, can also be arranged on oil feed pump 15 to oil liquid into
The cooling cooler of row.The present embodiment provides steady and sustained osmotic pressure by the conversion of double acting hydraulic cylinder oil pressure and hydraulic pressure
Power, overcomes in conventional seepage tests that osmotic pressure stability is poor, is difficult to the disadvantage recorded, hydraulic pressure is small.
It preferably, is the uniformity for improving load, cylinder barrel 9, pressure head 8, bottom plate rock sample 10 and support ring 3 are coaxially disposed.For
Stress is avoided to concentrate, the tapered segment of pressure head 8 is equipped with certain dullness.
Referring to Fig. 1, a method of use above-mentioned experimental rig to carry out seepage tests, comprising the following steps:
Step 1: rock sample 10 is held on the support ring 3 of seepage apparatus, with seal sizing material 4 by 9 inner wall of cylinder barrel, rock
Space between 10 outer rim of sample and support ring 3 adequately fills up；
Step 2: etc. after seal sizing materials 10 consolidate and have performance is fully sealed, by axial loading system II to pressure head 8
Load, is transmitted to cone, acts on rock sample 10, meanwhile, by hydraulic pressure feed system III, the lower reaction of rock sample 10 is stablized
Hydraulic pressure；
Step 3: it is further applied load by the displacement control system of axial loading system II to rock sample 10 and carries out rock sample bending change
Seepage tests under the conditions of shape；
Step 4: record hydraulic pressure sensor 25, oil pressure sensor 18, water ga(u)ge 20 and axial loading system II in real time
The data of output；
Step 5: stablize hydraulic pressure provided by hydraulic pressure feed system III by adjusting, in different hydraulic pressure, different lithology, no
Under the conditions of sample thickness, carry out the seepage tests under disk-shaped rock sample bending deformation.
For the present embodiment from the water flowing of rock sample bottom, hydraulic pressure acts on the lower surface of entire rock sample, while passing through on top
Bit andits control load, occurs bending and deformation, during entire bending deformation, hydraulic pressure at every moment acts on rock following table
Face applies bending load to rock sample, and then study of rocks is under high hydraulic condition, from complete rock sample under the effect of this hydraulic pressure
To crack is generated, the seepage characteristic in macroscopic failure whole process is finally generated.
Above-described embodiment is only to clearly demonstrate examples made by the present invention, rather than the restriction to embodiment.For
For those of ordinary skill in the art, other various forms of variations or change can also be made on the basis of the above description
It is dynamic.Here without can not be also exhaustive to all embodiments.And the obvious variation or change thus amplified out
It is dynamic to be still in the protection scope of this invention.
Claims (9)
1. a kind of rock stratum bottom plate seepage flow gushing water experimental rig, including axial loading system and permeameter, it is characterised in that: described
Permeameter includes the cylinder barrel being set between the plummer and loading head of the axial loading system and is slidedly arranged on the cylinder barrel
Interior pressure head, is fixed with support ring in the cylinder barrel, the bottom end of the pressure head is tapered and face described in support ring center,
Space and the seal sizing material for placing bottom plate rock sample are equipped between the pressure head and the support ring, the cylinder barrel is located at described
High pressure water is filled with by water inlet pipe in cavity between bottom plate rock sample and cylinder bottom plate, the water inlet pipe be equipped with flowmeter and
Hydraulic pressure sensor.
2. rock stratum bottom plate seepage flow gushing water experimental rig according to claim 1, it is characterised in that: prolong on the top of the pressure head
It extends to outside the cylinder barrel and loading head described in face, the pressure head extend out to the side wall outside the cylinder barrel equipped with water outlet, institute
State the exhalant canal for being equipped in pressure head and being connected to the water outlet and inner cavity of cylinder.
3. rock stratum bottom plate seepage flow gushing water experimental rig according to claim 1 or 2, it is characterised in that: further include with it is described
The data collection system that axial loading system, flowmeter and hydraulic pressure sensor connect.
4. rock stratum bottom plate seepage flow gushing water experimental rig according to claim 3, it is characterised in that: further include hydraulic pressure supply system
System, the hydraulic pressure feed system include hydraulic cylinder, oil feed pump and water supply pump, the oil feed pump by oil supply pipe with it is described hydraulic
Oil pressure chamber connection in cylinder above piston, the water supply pump in water supply line and the hydraulic cylinder by being located at below piston
Hydraulic pressure chamber connection, the outlet of the hydraulic pressure chamber is docked with the water inlet line.
5. rock stratum bottom plate seepage flow gushing water experimental rig according to claim 4, it is characterised in that: set on the water supply line
There is shut-off valve.
6. rock stratum bottom plate seepage flow gushing water experimental rig according to claim 4, it is characterised in that: set on the oil supply pipe
There are overflow valve, pressure reducing valve and one-way throttle valve.
7. rock stratum bottom plate seepage flow gushing water experimental rig according to claim 3, it is characterised in that: the cylinder barrel, pressure head, bottom
Slate sample and support ring coaxial arrangement.
8. experimental rig according to claim 1, which is characterized in that there is certain dullness in the pressure head tapering.
9. a kind of rock stratum bottom plate seepage flow gushing water test method, uses the described in any item experimental rigs of claim 1-8, feature
It is, includes the following steps:
Step 1: bottom plate rock sample is held in support ring, and seal sizing material is filled in inner wall of cylinder and bottom plate rock sample outer rim
Between space in；
Step 2: etc. after seal sizing materials consolidate and have performance is fully sealed, loaded by axial loading system to pressure head, pressure head
Tapered bottom end act on bottom plate rock sample；Meanwhile stable hydraulic pressure is applied by lower part of the water inlet pipe water flowing to bottom plate rock sample；
Step 3: the loading head of axial loading system constantly loads, and carries out the seepage flow under the conditions of bending deformation to bottom plate rock sample and tries
It tests, until sample destroys；And the data of pressure sensor, water ga(u)ge and axial loading system output are recorded in real time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811545774.7A CN109323971A (en) | 2018-12-17 | 2018-12-17 | A kind of rock stratum bottom plate seepage flow gushing water experimental rig and test method |
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| CN201811545774.7A CN109323971A (en) | 2018-12-17 | 2018-12-17 | A kind of rock stratum bottom plate seepage flow gushing water experimental rig and test method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940610A (en) * | 2019-11-27 | 2020-03-31 | 山东科技大学 | Broken rock nonlinear seepage test system and method |
| CN111238990A (en) * | 2020-02-05 | 2020-06-05 | 山东大学 | Fault activation water inrush evolution test system and test method under multi-field coupling effect |
| CN113008514A (en) * | 2021-02-25 | 2021-06-22 | 山东大学 | Goaf water inrush and grouting treatment comprehensive test device and method |
| CN117517174A (en) * | 2023-12-29 | 2024-02-06 | 中铁十七局集团第二工程有限公司 | Building concrete water-resistant permeability test device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203658169U (en) * | 2013-12-31 | 2014-06-18 | 长安大学 | Semicircle bending strength tester for bituminous mixture |
| CN104977234A (en) * | 2015-06-23 | 2015-10-14 | 安徽理工大学 | Pressure rock failure and instability process and dynamic permeability test apparatus and method thereof |
| CN207798784U (en) * | 2018-01-03 | 2018-08-31 | 河南理工大学 | A kind of simulation roof gushing water experimental rig |
-
2018
- 2018-12-17 CN CN201811545774.7A patent/CN109323971A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203658169U (en) * | 2013-12-31 | 2014-06-18 | 长安大学 | Semicircle bending strength tester for bituminous mixture |
| CN104977234A (en) * | 2015-06-23 | 2015-10-14 | 安徽理工大学 | Pressure rock failure and instability process and dynamic permeability test apparatus and method thereof |
| CN207798784U (en) * | 2018-01-03 | 2018-08-31 | 河南理工大学 | A kind of simulation roof gushing water experimental rig |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940610A (en) * | 2019-11-27 | 2020-03-31 | 山东科技大学 | Broken rock nonlinear seepage test system and method |
| CN111238990A (en) * | 2020-02-05 | 2020-06-05 | 山东大学 | Fault activation water inrush evolution test system and test method under multi-field coupling effect |
| CN113008514A (en) * | 2021-02-25 | 2021-06-22 | 山东大学 | Goaf water inrush and grouting treatment comprehensive test device and method |
| CN117517174A (en) * | 2023-12-29 | 2024-02-06 | 中铁十七局集团第二工程有限公司 | Building concrete water-resistant permeability test device |
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Application publication date: 20190212 |